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href="magick-image.html#MagickAdaptiveBlurImage">MagickAdaptiveBlurImage</a> • <a href="magick-image.html#MagickAdaptiveResizeImage">MagickAdaptiveResizeImage</a> • <a href="magick-image.html#MagickAdaptiveSharpenImage">MagickAdaptiveSharpenImage</a> • <a href="magick-image.html#MagickAdaptiveThresholdImage">MagickAdaptiveThresholdImage</a> • <a href="magick-image.html#MagickAddImage">MagickAddImage</a> • <a href="magick-image.html#MagickAddNoiseImage">MagickAddNoiseImage</a> • <a href="magick-image.html#MagickAffineTransformImage">MagickAffineTransformImage</a> • <a href="magick-image.html#MagickAnnotateImage">MagickAnnotateImage</a> • <a href="magick-image.html#MagickAnimateImages">MagickAnimateImages</a> • <a href="magick-image.html#MagickAppendImages">MagickAppendImages</a> • <a href="magick-image.html#MagickAutoGammaImage">MagickAutoGammaImage</a> • <a href="magick-image.html#MagickAutoLevelImage">MagickAutoLevelImage</a> • <a href="magick-image.html#MagickAutoOrientImage">MagickAutoOrientImage</a> • <a href="magick-image.html#MagickAutoThresholdImage">MagickAutoThresholdImage</a> • <a href="magick-image.html#MagickBilateralBlurImage">MagickBilateralBlurImage</a> • <a href="magick-image.html#MagickBlackThresholdImage">MagickBlackThresholdImage</a> • <a href="magick-image.html#MagickBlueShiftImage">MagickBlueShiftImage</a> • <a href="magick-image.html#MagickBlurImage">MagickBlurImage</a> • <a href="magick-image.html#MagickBorderImage">MagickBorderImage</a> • <a href="magick-image.html#Use MagickBrightnessContrastImage">Use MagickBrightnessContrastImage</a> • <a href="magick-image.html#MagickCannyEdgeImage">MagickCannyEdgeImage</a> • <a href="magick-image.html#MagickChannelFxImage">MagickChannelFxImage</a> • <a href="magick-image.html#MagickCharcoalImage">MagickCharcoalImage</a> • <a href="magick-image.html#MagickChopImage">MagickChopImage</a> • <a href="magick-image.html#MagickCLAHEImage">MagickCLAHEImage</a> • <a href="magick-image.html#MagickClampImage">MagickClampImage</a> • <a href="magick-image.html#MagickClipImage">MagickClipImage</a> • <a href="magick-image.html#MagickClipImagePath">MagickClipImagePath</a> • <a href="magick-image.html#MagickClutImage">MagickClutImage</a> • <a href="magick-image.html#MagickCoalesceImages">MagickCoalesceImages</a> • <a href="magick-image.html#MagickColorDecisionListImage">MagickColorDecisionListImage</a> • <a href="magick-image.html#MagickColorizeImage">MagickColorizeImage</a> • <a href="magick-image.html#MagickColorMatrixImage">MagickColorMatrixImage</a> • <a href="magick-image.html#MagickColorThresholdImage">MagickColorThresholdImage</a> • <a href="magick-image.html#MagickCombineImages">MagickCombineImages</a> • <a href="magick-image.html#MagickCommentImage">MagickCommentImage</a> • <a href="magick-image.html#MagickCompareImagesLayers">MagickCompareImagesLayers</a> • <a href="magick-image.html#MagickCompareImages">MagickCompareImages</a> • <a href="magick-image.html#MagickComplexImages">MagickComplexImages</a> • <a href="magick-image.html#MagickCompositeImage">MagickCompositeImage</a> • <a href="magick-image.html#MagickCompositeImageGravity">MagickCompositeImageGravity</a> • <a href="magick-image.html#MagickCompositeLayers">MagickCompositeLayers</a> • <a href="magick-image.html#MagickConnectedComponentsImage">MagickConnectedComponentsImage</a> • <a href="magick-image.html#MagickContrastImage">MagickContrastImage</a> • <a href="magick-image.html#MagickContrastStretchImage">MagickContrastStretchImage</a> • <a href="magick-image.html#MagickConvolveImage">MagickConvolveImage</a> • <a href="magick-image.html#MagickCropImage">MagickCropImage</a> • <a href="magick-image.html#MagickCycleColormapImage">MagickCycleColormapImage</a> • <a href="magick-image.html#MagickConstituteImage">MagickConstituteImage</a> • <a href="magick-image.html#MagickDecipherImage">MagickDecipherImage</a> • <a href="magick-image.html#MagickDeconstructImages">MagickDeconstructImages</a> • <a href="magick-image.html#MagickDeskewImage">MagickDeskewImage</a> • <a href="magick-image.html#MagickDespeckleImage">MagickDespeckleImage</a> • <a href="magick-image.html#MagickDestroyImage">MagickDestroyImage</a> • <a href="magick-image.html#MagickDisplayImage">MagickDisplayImage</a> • <a href="magick-image.html#MagickDisplayImages">MagickDisplayImages</a> • <a href="magick-image.html#MagickDistortImage">MagickDistortImage</a> • <a href="magick-image.html#MagickDrawImage">MagickDrawImage</a> • <a href="magick-image.html#MagickEdgeImage">MagickEdgeImage</a> • <a href="magick-image.html#MagickEmbossImage">MagickEmbossImage</a> • <a href="magick-image.html#MagickEncipherImage">MagickEncipherImage</a> • <a href="magick-image.html#MagickEnhanceImage">MagickEnhanceImage</a> • <a href="magick-image.html#MagickEqualizeImage">MagickEqualizeImage</a> • <a href="magick-image.html#MagickEvaluateImage">MagickEvaluateImage</a> • <a href="magick-image.html#MagickExportImagePixels">MagickExportImagePixels</a> • <a href="magick-image.html#MagickExtentImage">MagickExtentImage</a> • <a href="magick-image.html#MagickFlipImage">MagickFlipImage</a> • <a href="magick-image.html#MagickFloodfillPaintImage">MagickFloodfillPaintImage</a> • <a href="magick-image.html#MagickFlopImage">MagickFlopImage</a> • <a href="magick-image.html#MagickForwardFourierTransformImage">MagickForwardFourierTransformImage</a> • <a href="magick-image.html#MagickFrameImage">MagickFrameImage</a> • <a href="magick-image.html#MagickFunctionImage">MagickFunctionImage</a> • <a href="magick-image.html#MagickFxImage">MagickFxImage</a> • <a href="magick-image.html#MagickGammaImage">MagickGammaImage</a> • <a href="magick-image.html#MagickGaussianBlurImage">MagickGaussianBlurImage</a> • <a href="magick-image.html#MagickGetImage">MagickGetImage</a> • <a href="magick-image.html#MagickGetImageAlphaChannel">MagickGetImageAlphaChannel</a> • <a href="magick-image.html#MagickGetImageMask">MagickGetImageMask</a> • <a href="magick-image.html#MagickGetImageBackgroundColor">MagickGetImageBackgroundColor</a> • <a href="magick-image.html#MagickGetImageBlob">MagickGetImageBlob</a> • <a href="magick-image.html#MagickGetImagesBlob">MagickGetImagesBlob</a> • <a href="magick-image.html#MagickGetImageBluePrimary">MagickGetImageBluePrimary</a> • <a href="magick-image.html#MagickGetImageBorderColor">MagickGetImageBorderColor</a> • <a href="magick-image.html#MagickGetImageFeatures">MagickGetImageFeatures</a> • <a href="magick-image.html#MagickGetImageKurtosis">MagickGetImageKurtosis</a> • <a href="magick-image.html#MagickGetImageMean">MagickGetImageMean</a> • <a href="magick-image.html#MagickGetImageRange">MagickGetImageRange</a> • <a href="magick-image.html#MagickGetImageStatistics">MagickGetImageStatistics</a> • <a href="magick-image.html#MagickGetImageColormapColor">MagickGetImageColormapColor</a> • <a href="magick-image.html#MagickGetImageColors">MagickGetImageColors</a> • <a href="magick-image.html#MagickGetImageColorspace">MagickGetImageColorspace</a> • <a href="magick-image.html#MagickGetImageCompose">MagickGetImageCompose</a> • <a href="magick-image.html#MagickGetImageCompression">MagickGetImageCompression</a> • <a href="magick-image.html#MagickGetImageCompressionQuality">MagickGetImageCompressionQuality</a> • <a href="magick-image.html#MagickGetImageDelay">MagickGetImageDelay</a> • <a href="magick-image.html#MagickGetImageDepth">MagickGetImageDepth</a> • <a href="magick-image.html#MagickGetImageDispose">MagickGetImageDispose</a> • <a href="magick-image.html#MagickGetImageDistortion">MagickGetImageDistortion</a> • <a href="magick-image.html#MagickGetImageDistortions">MagickGetImageDistortions</a> • <a href="magick-image.html#MagickGetImageEndian">MagickGetImageEndian</a> • <a href="magick-image.html#MagickGetImageFilename">MagickGetImageFilename</a> • <a href="magick-image.html#MagickGetImageFormat">MagickGetImageFormat</a> • <a href="magick-image.html#MagickGetImageFuzz">MagickGetImageFuzz</a> • <a href="magick-image.html#MagickGetImageGamma">MagickGetImageGamma</a> • <a href="magick-image.html#MagickGetImageGravity">MagickGetImageGravity</a> • <a href="magick-image.html#MagickGetImageGreenPrimary">MagickGetImageGreenPrimary</a> • <a href="magick-image.html#MagickGetImageHeight">MagickGetImageHeight</a> • <a href="magick-image.html#MagickGetImageHistogram">MagickGetImageHistogram</a> • <a href="magick-image.html#MagickGetImageInterlaceScheme">MagickGetImageInterlaceScheme</a> • <a href="magick-image.html#MagickGetImageInterpolateMethod">MagickGetImageInterpolateMethod</a> • <a href="magick-image.html#MagickGetImageIterations">MagickGetImageIterations</a> • <a href="magick-image.html#MagickGetImageLength">MagickGetImageLength</a> • <a href="magick-image.html#MagickGetImageMatteColor">MagickGetImageMatteColor</a> • <a href="magick-image.html#MagickGetImageOrientation">MagickGetImageOrientation</a> • <a href="magick-image.html#MagickGetImagePage">MagickGetImagePage</a> • <a href="magick-image.html#MagickGetImagePixelColor">MagickGetImagePixelColor</a> • <a href="magick-image.html#MagickGetImageRedPrimary">MagickGetImageRedPrimary</a> • <a href="magick-image.html#MagickGetImageRegion">MagickGetImageRegion</a> • <a href="magick-image.html#MagickGetImageRenderingIntent">MagickGetImageRenderingIntent</a> • <a href="magick-image.html#MagickGetImageResolution">MagickGetImageResolution</a> • <a href="magick-image.html#MagickGetImageScene">MagickGetImageScene</a> • <a href="magick-image.html#MagickGetImageSignature">MagickGetImageSignature</a> • <a href="magick-image.html#MagickGetImageTicksPerSecond">MagickGetImageTicksPerSecond</a> • <a href="magick-image.html#MagickGetImageType">MagickGetImageType</a> • <a href="magick-image.html#MagickGetImageUnits">MagickGetImageUnits</a> • <a href="magick-image.html#MagickGetImageVirtualPixelMethod">MagickGetImageVirtualPixelMethod</a> • <a href="magick-image.html#MagickGetImageWhitePoint">MagickGetImageWhitePoint</a> • <a href="magick-image.html#MagickGetImageWidth">MagickGetImageWidth</a> • <a href="magick-image.html#MagickGetNumberImages">MagickGetNumberImages</a> • <a href="magick-image.html#MagickGetImageTotalInkDensity">MagickGetImageTotalInkDensity</a> • <a href="magick-image.html#MagickHaldClutImage">MagickHaldClutImage</a> • <a href="magick-image.html#MagickHasNextImage">MagickHasNextImage</a> • <a href="magick-image.html#MagickHasPreviousImage">MagickHasPreviousImage</a> • <a href="magick-image.html#Use MagickHoughLineImage">Use MagickHoughLineImage</a> • <a href="magick-image.html#MagickIdentifyImage">MagickIdentifyImage</a> • <a href="magick-image.html#MagickIdentifyImageType">MagickIdentifyImageType</a> • <a href="magick-image.html#MagickImplodeImage">MagickImplodeImage</a> • <a href="magick-image.html#MagickImportImagePixels">MagickImportImagePixels</a> • <a href="magick-image.html#MagickInterpolativeResizeImage">MagickInterpolativeResizeImage</a> • <a href="magick-image.html#MagickInverseFourierTransformImage">MagickInverseFourierTransformImage</a> • <a href="magick-image.html#MagickKmeansImage">MagickKmeansImage</a> • <a href="magick-image.html#Use MagickKuwaharaImage">Use MagickKuwaharaImage</a> • <a href="magick-image.html#MagickLabelImage">MagickLabelImage</a> • <a href="magick-image.html#MagickLevelImage">MagickLevelImage</a> • <a href="magick-image.html#MagickLevelImageColors">MagickLevelImageColors</a> • <a href="magick-image.html#MagickLevelizeImage">MagickLevelizeImage</a> • <a href="magick-image.html#MagickLinearStretchImage">MagickLinearStretchImage</a> • <a href="magick-image.html#MagickLiquidRescaleImage">MagickLiquidRescaleImage</a> • <a href="magick-image.html#MagickLocalContrastImage">MagickLocalContrastImage</a> • <a href="magick-image.html#MagickMagnifyImage">MagickMagnifyImage</a> • <a href="magick-image.html#MagickMeanShiftImage">MagickMeanShiftImage</a> • <a href="magick-image.html#MagickMergeImageLayers">MagickMergeImageLayers</a> • <a href="magick-image.html#MagickMinifyImage">MagickMinifyImage</a> • <a href="magick-image.html#MagickModulateImage">MagickModulateImage</a> • <a href="magick-image.html#MagickMontageImage">MagickMontageImage</a> • <a href="magick-image.html#MagickMorphImages">MagickMorphImages</a> • <a href="magick-image.html#MagickMorphologyImage">MagickMorphologyImage</a> • <a href="magick-image.html#MagickMotionBlurImage">MagickMotionBlurImage</a> • <a href="magick-image.html#MagickNegateImage">MagickNegateImage</a> • <a href="magick-image.html#MagickNewImage">MagickNewImage</a> • <a href="magick-image.html#MagickNextImage">MagickNextImage</a> • <a href="magick-image.html#MagickNormalizeImage">MagickNormalizeImage</a> • <a href="magick-image.html#MagickOilPaintImage">MagickOilPaintImage</a> • <a href="magick-image.html#MagickOpaquePaintImage">MagickOpaquePaintImage</a> • <a href="magick-image.html#MagickOptimizeImageLayers">MagickOptimizeImageLayers</a> • <a href="magick-image.html#MagickOptimizeImageTransparency">MagickOptimizeImageTransparency</a> • <a href="magick-image.html#MagickOrderedDitherImage">MagickOrderedDitherImage</a> • <a href="magick-image.html#MagickPingImage">MagickPingImage</a> • <a href="magick-image.html#MagickPingImageBlob">MagickPingImageBlob</a> • <a href="magick-image.html#MagickPingImageFile">MagickPingImageFile</a> • <a href="magick-image.html#MagickPolaroidImage">MagickPolaroidImage</a> • <a href="magick-image.html#MagickPolynomialImage">MagickPolynomialImage</a> • <a href="magick-image.html#MagickPosterizeImage">MagickPosterizeImage</a> • <a href="magick-image.html#MagickPreviewImages">MagickPreviewImages</a> • <a href="magick-image.html#MagickPreviousImage">MagickPreviousImage</a> • <a href="magick-image.html#MagickQuantizeImage">MagickQuantizeImage</a> • <a href="magick-image.html#MagickQuantizeImages">MagickQuantizeImages</a> • <a href="magick-image.html#MagickRangeThresholdImage">MagickRangeThresholdImage</a> • <a href="magick-image.html#MagickRotationalBlurImage">MagickRotationalBlurImage</a> • <a href="magick-image.html#MagickRaiseImage">MagickRaiseImage</a> • <a href="magick-image.html#MagickRandomThresholdImage">MagickRandomThresholdImage</a> • <a href="magick-image.html#MagickReadImage">MagickReadImage</a> • <a href="magick-image.html#MagickReadImageBlob">MagickReadImageBlob</a> • <a href="magick-image.html#MagickReadImageFile">MagickReadImageFile</a> • <a href="magick-image.html#MagickRemapImage">MagickRemapImage</a> • <a href="magick-image.html#MagickRemoveImage">MagickRemoveImage</a> • <a href="magick-image.html#MagickResampleImage">MagickResampleImage</a> • <a href="magick-image.html#MagickResetImagePage">MagickResetImagePage</a> • <a href="magick-image.html#MagickResizeImage">MagickResizeImage</a> • <a href="magick-image.html#MagickRollImage">MagickRollImage</a> • <a href="magick-image.html#MagickRotateImage">MagickRotateImage</a> • <a href="magick-image.html#MagickSampleImage">MagickSampleImage</a> • <a href="magick-image.html#MagickScaleImage">MagickScaleImage</a> • <a href="magick-image.html#MagickSegmentImage">MagickSegmentImage</a> • <a href="magick-image.html#MagickSelectiveBlurImage">MagickSelectiveBlurImage</a> • <a href="magick-image.html#MagickSeparateImage">MagickSeparateImage</a> • <a href="magick-image.html#MagickSepiaToneImage">MagickSepiaToneImage</a> • <a href="magick-image.html#MagickSetImage">MagickSetImage</a> • <a href="magick-image.html#MagickSetImageAlphaChannel">MagickSetImageAlphaChannel</a> • <a href="magick-image.html#MagickSetImageBackgroundColor">MagickSetImageBackgroundColor</a> • <a href="magick-image.html#MagickSetImageBluePrimary">MagickSetImageBluePrimary</a> • <a href="magick-image.html#MagickSetImageBorderColor">MagickSetImageBorderColor</a> • <a href="magick-image.html#MagickSetImageChannelMask">MagickSetImageChannelMask</a> • <a href="magick-image.html#MagickSetImageMask">MagickSetImageMask</a> • <a href="magick-image.html#MagickSetImageColor">MagickSetImageColor</a> • <a href="magick-image.html#MagickSetImageColormapColor">MagickSetImageColormapColor</a> • <a href="magick-image.html#MagickSetImageColorspace">MagickSetImageColorspace</a> • <a href="magick-image.html#MagickSetImageCompose">MagickSetImageCompose</a> • <a href="magick-image.html#MagickSetImageCompression">MagickSetImageCompression</a> • <a href="magick-image.html#MagickSetImageCompressionQuality">MagickSetImageCompressionQuality</a> • <a href="magick-image.html#MagickSetImageDelay">MagickSetImageDelay</a> • <a href="magick-image.html#MagickSetImageDepth">MagickSetImageDepth</a> • <a href="magick-image.html#MagickSetImageDispose">MagickSetImageDispose</a> • <a href="magick-image.html#MagickSetImageEndian">MagickSetImageEndian</a> • <a href="magick-image.html#MagickSetImageExtent">MagickSetImageExtent</a> • <a href="magick-image.html#MagickSetImageFilename">MagickSetImageFilename</a> • <a href="magick-image.html#MagickSetImageFormat">MagickSetImageFormat</a> • <a href="magick-image.html#MagickSetImageFuzz">MagickSetImageFuzz</a> • <a href="magick-image.html#MagickSetImageGamma">MagickSetImageGamma</a> • <a href="magick-image.html#MagickSetImageGravity">MagickSetImageGravity</a> • <a href="magick-image.html#MagickSetImageGreenPrimary">MagickSetImageGreenPrimary</a> • <a href="magick-image.html#MagickSetImageInterlaceScheme">MagickSetImageInterlaceScheme</a> • <a href="magick-image.html#MagickSetImageInterpolateMethod">MagickSetImageInterpolateMethod</a> • <a href="magick-image.html#MagickSetImageIterations">MagickSetImageIterations</a> • <a href="magick-image.html#MagickSetImageMatte">MagickSetImageMatte</a> • <a href="magick-image.html#MagickSetImageMatteColor">MagickSetImageMatteColor</a> • <a href="magick-image.html#MagickSetImageAlpha">MagickSetImageAlpha</a> • <a href="magick-image.html#MagickSetImageOrientation">MagickSetImageOrientation</a> • <a href="magick-image.html#MagickSetImagePage">MagickSetImagePage</a> • <a href="magick-image.html#MagickSetImagePixelColor">MagickSetImagePixelColor</a> • <a href="magick-image.html#MagickSetImageProgressMonitor">MagickSetImageProgressMonitor</a> • <a href="magick-image.html#MagickSetImageRedPrimary">MagickSetImageRedPrimary</a> • <a href="magick-image.html#MagickSetImageRenderingIntent">MagickSetImageRenderingIntent</a> • <a href="magick-image.html#MagickSetImageResolution">MagickSetImageResolution</a> • <a href="magick-image.html#MagickSetImageScene">MagickSetImageScene</a> • <a href="magick-image.html#MagickSetImageTicksPerSecond">MagickSetImageTicksPerSecond</a> • <a href="magick-image.html#MagickSetImageType">MagickSetImageType</a> • <a href="magick-image.html#MagickSetImageUnits">MagickSetImageUnits</a> • <a href="magick-image.html#MagickSetImageVirtualPixelMethod">MagickSetImageVirtualPixelMethod</a> • <a href="magick-image.html#MagickSetImageWhitePoint">MagickSetImageWhitePoint</a> • <a href="magick-image.html#MagickShadeImage">MagickShadeImage</a> • <a href="magick-image.html#MagickShadowImage">MagickShadowImage</a> • <a href="magick-image.html#MagickSharpenImage">MagickSharpenImage</a> • <a href="magick-image.html#MagickShaveImage">MagickShaveImage</a> • <a href="magick-image.html#MagickShearImage">MagickShearImage</a> • <a 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href="magick-image.html#MagickTextureImage">MagickTextureImage</a> • <a href="magick-image.html#MagickThresholdImage">MagickThresholdImage</a> • <a href="magick-image.html#MagickThumbnailImage">MagickThumbnailImage</a> • <a href="magick-image.html#MagickTintImage">MagickTintImage</a> • <a href="magick-image.html#MagickTransformImageColorspace">MagickTransformImageColorspace</a> • <a href="magick-image.html#MagickTransparentPaintImage">MagickTransparentPaintImage</a> • <a href="magick-image.html#MagickTransposeImage">MagickTransposeImage</a> • <a href="magick-image.html#MagickTransverseImage">MagickTransverseImage</a> • <a href="magick-image.html#MagickTrimImage">MagickTrimImage</a> • <a href="magick-image.html#MagickUniqueImageColors">MagickUniqueImageColors</a> • <a href="magick-image.html#MagickUnsharpMaskImage">MagickUnsharpMaskImage</a> • <a href="magick-image.html#MagickVignetteImage">MagickVignetteImage</a> • <a href="magick-image.html#MagickWaveImage">MagickWaveImage</a> • <a href="magick-image.html#MagickWaveletDenoiseImage">MagickWaveletDenoiseImage</a> • <a href="magick-image.html#MagickWhiteBalanceImage">MagickWhiteBalanceImage</a> • <a href="magick-image.html#MagickWhiteThresholdImage">MagickWhiteThresholdImage</a> • <a href="magick-image.html#MagickWriteImage">MagickWriteImage</a> • <a href="magick-image.html#MagickWriteImageFile">MagickWriteImageFile</a> • <a href="magick-image.html#MagickWriteImages">MagickWriteImages</a> • <a href="magick-image.html#MagickWriteImagesFile">MagickWriteImagesFile</a></p> 95 96<h2><a href="../../api/MagickWand/magick-image_8c.html" id="GetImageFromMagickWand">GetImageFromMagickWand</a></h2> 97 98<p>GetImageFromMagickWand() returns the current image from the magick wand.</p> 99 100<p>The format of the GetImageFromMagickWand method is:</p> 101 102<pre class="text"> 103Image *GetImageFromMagickWand(const MagickWand *wand) 104</pre> 105 106<p>A description of each parameter follows:</p> 107 108<dd> 109</dd> 110 111<dd> </dd> 112<dl class="dl-horizontal"> 113<dt>wand</dt> 114<dd>the magick wand. </dd> 115 116<dd> </dd> 117</dl> 118<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAdaptiveBlurImage">MagickAdaptiveBlurImage</a></h2> 119 120<p>MagickAdaptiveBlurImage() adaptively blurs the image by blurring less intensely near image edges and more intensely far from edges. We blur the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and MagickAdaptiveBlurImage() selects a suitable radius for you.</p> 121 122<p>The format of the MagickAdaptiveBlurImage method is:</p> 123 124<pre class="text"> 125MagickBooleanType MagickAdaptiveBlurImage(MagickWand *wand, 126 const double radius,const double sigma) 127</pre> 128 129<p>A description of each parameter follows:</p> 130 131<dd> 132</dd> 133 134<dd> </dd> 135<dl class="dl-horizontal"> 136<dt>wand</dt> 137<dd>the magick wand. </dd> 138 139<dd> </dd> 140<dt>radius</dt> 141<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 142 143<dd> </dd> 144<dt>sigma</dt> 145<dd>the standard deviation of the Gaussian, in pixels. </dd> 146 147<dd> </dd> 148</dl> 149<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAdaptiveResizeImage">MagickAdaptiveResizeImage</a></h2> 150 151<p>MagickAdaptiveResizeImage() adaptively resize image with data dependent triangulation.</p> 152 153<p>MagickBooleanType MagickAdaptiveResizeImage(MagickWand *wand, const size_t columns,const size_t rows)</p> 154 155<p>A description of each parameter follows:</p> 156 157<dd> 158</dd> 159 160<dd> </dd> 161<dl class="dl-horizontal"> 162<dt>wand</dt> 163<dd>the magick wand. </dd> 164 165<dd> </dd> 166<dt>columns</dt> 167<dd>the number of columns in the scaled image. </dd> 168 169<dd> </dd> 170<dt>rows</dt> 171<dd>the number of rows in the scaled image. </dd> 172 173<dd> </dd> 174</dl> 175<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAdaptiveSharpenImage">MagickAdaptiveSharpenImage</a></h2> 176 177<p>MagickAdaptiveSharpenImage() adaptively sharpens the image by sharpening more intensely near image edges and less intensely far from edges. We sharpen the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and MagickAdaptiveSharpenImage() selects a suitable radius for you.</p> 178 179<p>The format of the MagickAdaptiveSharpenImage method is:</p> 180 181<pre class="text"> 182MagickBooleanType MagickAdaptiveSharpenImage(MagickWand *wand, 183 const double radius,const double sigma) 184</pre> 185 186<p>A description of each parameter follows:</p> 187 188<dd> 189</dd> 190 191<dd> </dd> 192<dl class="dl-horizontal"> 193<dt>wand</dt> 194<dd>the magick wand. </dd> 195 196<dd> </dd> 197<dt>radius</dt> 198<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 199 200<dd> </dd> 201<dt>sigma</dt> 202<dd>the standard deviation of the Gaussian, in pixels. </dd> 203 204<dd> </dd> 205</dl> 206<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAdaptiveThresholdImage">MagickAdaptiveThresholdImage</a></h2> 207 208<p>MagickAdaptiveThresholdImage() selects an individual threshold for each pixel based on the range of intensity values in its local neighborhood. This allows for thresholding of an image whose global intensity histogram doesn't contain distinctive peaks.</p> 209 210<p>The format of the AdaptiveThresholdImage method is:</p> 211 212<pre class="text"> 213MagickBooleanType MagickAdaptiveThresholdImage(MagickWand *wand, 214 const size_t width,const size_t height,const double bias) 215</pre> 216 217<p>A description of each parameter follows:</p> 218 219<dd> 220</dd> 221 222<dd> </dd> 223<dl class="dl-horizontal"> 224<dt>wand</dt> 225<dd>the magick wand. </dd> 226 227<dd> </dd> 228<dt>width</dt> 229<dd>the width of the local neighborhood. </dd> 230 231<dd> </dd> 232<dt>height</dt> 233<dd>the height of the local neighborhood. </dd> 234 235<dd> </dd> 236<dt>offset</dt> 237<dd>the mean bias. </dd> 238 239<dd> </dd> 240</dl> 241<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAddImage">MagickAddImage</a></h2> 242 243<p>MagickAddImage() adds a clone of the images from the second wand and inserts them into the first wand.</p> 244 245<p>Use MagickSetLastIterator(), to append new images into an existing wand, current image will be set to last image so later adds with also be appended to end of wand.</p> 246 247<p>Use MagickSetFirstIterator() to prepend new images into wand, any more images added will also be prepended before other images in the wand. However the order of a list of new images will not change.</p> 248 249<p>Otherwise the new images will be inserted just after the current image, and any later image will also be added after this current image but before the previously added images. Caution is advised when multiple image adds are inserted into the middle of the wand image list.</p> 250 251<p>The format of the MagickAddImage method is:</p> 252 253<pre class="text"> 254MagickBooleanType MagickAddImage(MagickWand *wand, 255 const MagickWand *add_wand) 256</pre> 257 258<p>A description of each parameter follows:</p> 259 260<dd> 261</dd> 262 263<dd> </dd> 264<dl class="dl-horizontal"> 265<dt>wand</dt> 266<dd>the magick wand. </dd> 267 268<dd> </dd> 269<dt>add_wand</dt> 270<dd>A wand that contains the image list to be added </dd> 271 272<dd> </dd> 273</dl> 274<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAddNoiseImage">MagickAddNoiseImage</a></h2> 275 276<p>MagickAddNoiseImage() adds random noise to the image.</p> 277 278<p>The format of the MagickAddNoiseImage method is:</p> 279 280<pre class="text"> 281MagickBooleanType MagickAddNoiseImage(MagickWand *wand, 282 const NoiseType noise_type,const double attenuate) 283</pre> 284 285<p>A description of each parameter follows:</p> 286 287<dd> 288</dd> 289 290<dd> </dd> 291<dl class="dl-horizontal"> 292<dt>wand</dt> 293<dd>the magick wand. </dd> 294 295<dd> </dd> 296<dt>noise_type</dt> 297<dd> The type of noise: Uniform, Gaussian, Multiplicative, Impulse, Laplacian, or Poisson. </dd> 298 299<dd> </dd> 300<dt>attenuate</dt> 301<dd> attenuate the random distribution. </dd> 302 303<dd> </dd> 304</dl> 305<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAffineTransformImage">MagickAffineTransformImage</a></h2> 306 307<p>MagickAffineTransformImage() transforms an image as dictated by the affine matrix of the drawing wand.</p> 308 309<p>The format of the MagickAffineTransformImage method is:</p> 310 311<pre class="text"> 312MagickBooleanType MagickAffineTransformImage(MagickWand *wand, 313 const DrawingWand *drawing_wand) 314</pre> 315 316<p>A description of each parameter follows:</p> 317 318<dd> 319</dd> 320 321<dd> </dd> 322<dl class="dl-horizontal"> 323<dt>wand</dt> 324<dd>the magick wand. </dd> 325 326<dd> </dd> 327<dt>drawing_wand</dt> 328<dd>the draw wand. </dd> 329 330<dd> </dd> 331</dl> 332<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAnnotateImage">MagickAnnotateImage</a></h2> 333 334<p>MagickAnnotateImage() annotates an image with text.</p> 335 336<p>The format of the MagickAnnotateImage method is:</p> 337 338<pre class="text"> 339MagickBooleanType MagickAnnotateImage(MagickWand *wand, 340 const DrawingWand *drawing_wand,const double x,const double y, 341 const double angle,const char *text) 342</pre> 343 344<p>A description of each parameter follows:</p> 345 346<dd> 347</dd> 348 349<dd> </dd> 350<dl class="dl-horizontal"> 351<dt>wand</dt> 352<dd>the magick wand. </dd> 353 354<dd> </dd> 355<dt>drawing_wand</dt> 356<dd>the draw wand. </dd> 357 358<dd> </dd> 359<dt>x</dt> 360<dd>x ordinate to left of text </dd> 361 362<dd> </dd> 363<dt>y</dt> 364<dd>y ordinate to text baseline </dd> 365 366<dd> </dd> 367<dt>angle</dt> 368<dd>rotate text relative to this angle. </dd> 369 370<dd> </dd> 371<dt>text</dt> 372<dd>text to draw </dd> 373 374<dd> </dd> 375</dl> 376<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAnimateImages">MagickAnimateImages</a></h2> 377 378<p>MagickAnimateImages() animates an image or image sequence.</p> 379 380<p>The format of the MagickAnimateImages method is:</p> 381 382<pre class="text"> 383MagickBooleanType MagickAnimateImages(MagickWand *wand, 384 const char *server_name) 385</pre> 386 387<p>A description of each parameter follows:</p> 388 389<dd> 390</dd> 391 392<dd> </dd> 393<dl class="dl-horizontal"> 394<dt>wand</dt> 395<dd>the magick wand. </dd> 396 397<dd> </dd> 398<dt>server_name</dt> 399<dd>the X server name. </dd> 400 401<dd> </dd> 402</dl> 403<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAppendImages">MagickAppendImages</a></h2> 404 405<p>MagickAppendImages() append the images in a wand from the current image onwards, creating a new wand with the single image result. This is affected by the gravity and background settings of the first image.</p> 406 407<p>Typically you would call either MagickResetIterator() or MagickSetFirstImage() before calling this function to ensure that all the images in the wand's image list will be appended together.</p> 408 409<p>The format of the MagickAppendImages method is:</p> 410 411<pre class="text"> 412MagickWand *MagickAppendImages(MagickWand *wand, 413 const MagickBooleanType stack) 414</pre> 415 416<p>A description of each parameter follows:</p> 417 418<dd> 419</dd> 420 421<dd> </dd> 422<dl class="dl-horizontal"> 423<dt>wand</dt> 424<dd>the magick wand. </dd> 425 426<dd> </dd> 427<dt>stack</dt> 428<dd>By default, images are stacked left-to-right. Set stack to MagickTrue to stack them top-to-bottom. </dd> 429 430<dd> </dd> 431</dl> 432<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAutoGammaImage">MagickAutoGammaImage</a></h2> 433 434<p>MagickAutoGammaImage() extracts the 'mean' from the image and adjust the image to try make set its gamma appropriatally.</p> 435 436<p>The format of the MagickAutoGammaImage method is:</p> 437 438<pre class="text"> 439MagickBooleanType MagickAutoGammaImage(MagickWand *wand) 440</pre> 441 442<p>A description of each parameter follows:</p> 443 444<dd> 445</dd> 446 447<dd> </dd> 448<dl class="dl-horizontal"> 449<dt>wand</dt> 450<dd>the magick wand. </dd> 451 452<dd> </dd> 453</dl> 454<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAutoLevelImage">MagickAutoLevelImage</a></h2> 455 456<p>MagickAutoLevelImage() adjusts the levels of a particular image channel by scaling the minimum and maximum values to the full quantum range.</p> 457 458<p>The format of the MagickAutoLevelImage method is:</p> 459 460<pre class="text"> 461MagickBooleanType MagickAutoLevelImage(MagickWand *wand) 462</pre> 463 464<p>A description of each parameter follows:</p> 465 466<dd> 467</dd> 468 469<dd> </dd> 470<dl class="dl-horizontal"> 471<dt>wand</dt> 472<dd>the magick wand. </dd> 473 474<dd> </dd> 475</dl> 476<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAutoOrientImage">MagickAutoOrientImage</a></h2> 477 478<p>MagickAutoOrientImage() adjusts an image so that its orientation is suitable $ for viewing (i.e. top-left orientation).</p> 479 480<p>The format of the MagickAutoOrientImage method is:</p> 481 482<pre class="text"> 483MagickBooleanType MagickAutoOrientImage(MagickWand *image) 484</pre> 485 486<p>A description of each parameter follows:</p> 487 488<dd> 489</dd> 490 491<dd> </dd> 492<dl class="dl-horizontal"> 493<dt>wand</dt> 494<dd>the magick wand. </dd> 495 496<dd> </dd> 497</dl> 498<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickAutoThresholdImage">MagickAutoThresholdImage</a></h2> 499 500<p>MagickAutoThresholdImage() automatically performs image thresholding dependent on which method you specify.</p> 501 502<p>The format of the AutoThresholdImage method is:</p> 503 504<pre class="text"> 505MagickBooleanType MagickAutoThresholdImage(MagickWand *wand, 506 const AutoThresholdMethod method) 507</pre> 508 509<p>A description of each parameter follows:</p> 510 511<dd> 512</dd> 513 514<dd> </dd> 515<dl class="dl-horizontal"> 516<dt>wand</dt> 517<dd>the magick wand. </dd> 518 519<dd> </dd> 520<dt>method</dt> 521<dd>choose from KapurThresholdMethod, OTSUThresholdMethod, or TriangleThresholdMethod. </dd> 522 523<dd> </dd> 524</dl> 525<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickBilateralBlurImage">MagickBilateralBlurImage</a></h2> 526 527<p>MagickBilateralBlurImage() is a non-linear, edge-preserving, and noise-reducing smoothing filter for images. It replaces the intensity of each pixel with a weighted average of intensity values from nearby pixels. This weight is based on a Gaussian distribution. The weights depend not only on Euclidean distance of pixels, but also on the radiometric differences (e.g., range differences, such as color intensity, depth distance, etc.). This preserves sharp edges.</p> 528 529<p>The format of the MagickBilateralBlurImage method is:</p> 530 531<pre class="text"> 532MagickBooleanType MagickBilateralBlurImage(MagickWand *wand, 533 const double radius,const double sigma,const double intensity_sigma, 534 const double spatial_sigma) 535</pre> 536 537<p>A description of each parameter follows:</p> 538 539<dd> 540</dd> 541 542<dd> </dd> 543<dl class="dl-horizontal"> 544<dt>wand</dt> 545<dd>the magick wand. </dd> 546 547<dd> </dd> 548<dt>radius</dt> 549<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 550 551<dd> </dd> 552<dt>sigma</dt> 553<dd>the standard deviation of the , in pixels. </dd> 554 555<dd> </dd> 556<dt>intensity_sigma</dt> 557<dd>sigma in the intensity space. A larger value means that farther colors within the pixel neighborhood (see spatial_sigma) will be mixed together, resulting in larger areas of semi-equal color. </dd> 558 559<dd> </dd> 560<dt>spatial_sigma</dt> 561<dd>sigma in the coordinate space. A larger value means that farther pixels influence each other as long as their colors are close enough (see intensity_sigma ). When the neigborhood diameter is greater than zero, it specifies the neighborhood size regardless of spatial_sigma. Otherwise, the neigborhood diameter is proportional to spatial_sigma. </dd> 562 563<dd> </dd> 564</dl> 565<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickBlackThresholdImage">MagickBlackThresholdImage</a></h2> 566 567<p>MagickBlackThresholdImage() is like MagickThresholdImage() but forces all pixels below the threshold into black while leaving all pixels above the threshold unchanged.</p> 568 569<p>The format of the MagickBlackThresholdImage method is:</p> 570 571<pre class="text"> 572MagickBooleanType MagickBlackThresholdImage(MagickWand *wand, 573 const PixelWand *threshold) 574</pre> 575 576<p>A description of each parameter follows:</p> 577 578<dd> 579</dd> 580 581<dd> </dd> 582<dl class="dl-horizontal"> 583<dt>wand</dt> 584<dd>the magick wand. </dd> 585 586<dd> </dd> 587<dt>threshold</dt> 588<dd>the pixel wand. </dd> 589 590<dd> </dd> 591</dl> 592<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickBlueShiftImage">MagickBlueShiftImage</a></h2> 593 594<p>MagickBlueShiftImage() mutes the colors of the image to simulate a scene at nighttime in the moonlight.</p> 595 596<p>The format of the MagickBlueShiftImage method is:</p> 597 598<pre class="text"> 599MagickBooleanType MagickBlueShiftImage(MagickWand *wand, 600 const double factor) 601</pre> 602 603<p>A description of each parameter follows:</p> 604 605<dd> 606</dd> 607 608<dd> </dd> 609<dl class="dl-horizontal"> 610<dt>wand</dt> 611<dd>the magick wand. </dd> 612 613<dd> </dd> 614<dt>factor</dt> 615<dd>the blue shift factor (default 1.5) </dd> 616 617<dd> </dd> 618</dl> 619<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickBlurImage">MagickBlurImage</a></h2> 620 621<p>MagickBlurImage() blurs an image. We convolve the image with a gaussian operator of the given radius and standard deviation (sigma). For reasonable results, the radius should be larger than sigma. Use a radius of 0 and BlurImage() selects a suitable radius for you.</p> 622 623<p>The format of the MagickBlurImage method is:</p> 624 625<pre class="text"> 626MagickBooleanType MagickBlurImage(MagickWand *wand,const double radius, 627 const double sigma) 628</pre> 629 630<p>A description of each parameter follows:</p> 631 632<dd> 633</dd> 634 635<dd> </dd> 636<dl class="dl-horizontal"> 637<dt>wand</dt> 638<dd>the magick wand. </dd> 639 640<dd> </dd> 641<dt>radius</dt> 642<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 643 644<dd> </dd> 645<dt>sigma</dt> 646<dd>the standard deviation of the , in pixels. </dd> 647 648<dd> </dd> 649</dl> 650<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickBorderImage">MagickBorderImage</a></h2> 651 652<p>MagickBorderImage() surrounds the image with a border of the color defined by the bordercolor pixel wand.</p> 653 654<p>The format of the MagickBorderImage method is:</p> 655 656<pre class="text"> 657MagickBooleanType MagickBorderImage(MagickWand *wand, 658 const PixelWand *bordercolor,const size_t width, 659 const size_t height,const CompositeOperator compose) 660</pre> 661 662<p>A description of each parameter follows:</p> 663 664<dd> 665</dd> 666 667<dd> </dd> 668<dl class="dl-horizontal"> 669<dt>wand</dt> 670<dd>the magick wand. </dd> 671 672<dd> </dd> 673<dt>bordercolor</dt> 674<dd>the border color pixel wand. </dd> 675 676<dd> </dd> 677<dt>width</dt> 678<dd>the border width. </dd> 679 680<dd> </dd> 681<dt>height</dt> 682<dd>the border height. </dd> 683 684<dd> </dd> 685<dt>compose</dt> 686<dd>the composite operator. </dd> 687 688<dd> </dd> 689</dl> 690<h2><a href="../../api/MagickWand/magick-image_8c.html" id="Use_MagickBrightnessContrastImage">Use MagickBrightnessContrastImage</a></h2> 691 692<p>Use MagickBrightnessContrastImage() to change the brightness and/or contrast of an image. It converts the brightness and contrast parameters into slope and intercept and calls a polynomical function to apply to the image.</p> 693 694 695<p>The format of the MagickBrightnessContrastImage method is:</p> 696 697<pre class="text"> 698MagickBooleanType MagickBrightnessContrastImage(MagickWand *wand, 699 const double brightness,const double contrast) 700</pre> 701 702<p>A description of each parameter follows:</p> 703 704<dd> 705</dd> 706 707<dd> </dd> 708<dl class="dl-horizontal"> 709<dt>wand</dt> 710<dd>the magick wand. </dd> 711 712<dd> </dd> 713<dt>brightness</dt> 714<dd>the brightness percent (-100 .. 100). </dd> 715 716<dd> </dd> 717<dt>contrast</dt> 718<dd>the contrast percent (-100 .. 100). </dd> 719 720<dd> </dd> 721</dl> 722<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCannyEdgeImage">MagickCannyEdgeImage</a></h2> 723 724<p>MagickCannyEdgeImage() uses a multi-stage algorithm to detect a wide range of edges in images.</p> 725 726<p>The format of the MagickCannyEdgeImage method is:</p> 727 728<pre class="text"> 729MagickBooleanType MagickCannyEdgeImage(MagickWand *wand, 730 const double radius,const double sigma,const double lower_percent, 731 const double upper_percent) 732</pre> 733 734<p>A description of each parameter follows:</p> 735 736<dd> 737</dd> 738 739<dd> </dd> 740<dl class="dl-horizontal"> 741<dt>wand</dt> 742<dd>the magick wand. </dd> 743 744<dd> </dd> 745<dt>radius</dt> 746<dd>the radius of the gaussian smoothing filter. </dd> 747 748<dd> </dd> 749<dt>sigma</dt> 750<dd>the sigma of the gaussian smoothing filter. </dd> 751 752<dd> </dd> 753<dt>lower_percent</dt> 754<dd>percentage of edge pixels in the lower threshold. </dd> 755 756<dd> </dd> 757<dt>upper_percent</dt> 758<dd>percentage of edge pixels in the upper threshold. </dd> 759 760<dd> </dd> 761</dl> 762<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickChannelFxImage">MagickChannelFxImage</a></h2> 763 764<p>MagickChannelFxImage() applies a channel expression to the specified image. The expression consists of one or more channels, either mnemonic or numeric (e.g. red, 1), separated by actions as follows:</p> 765 766<dd> 767</dd> 768 769<dd> <=> exchange two channels (e.g. red<=>blue) => transfer a channel to another (e.g. red=>green) , separate channel operations (e.g. red, green) | read channels from next input image (e.g. red | green) ; write channels to next output image (e.g. red; green; blue) </dd> 770 771<dd> A channel without a operation symbol implies extract. For example, to create 3 grayscale images from the red, green, and blue channels of an image, use: </dd> 772 773<pre class="text"> 774 -channel-fx "red; green; blue" 775</pre> 776 777<p>The format of the MagickChannelFxImage method is: </dd> 778 779<pre class="text"> 780MagickWand *MagickChannelFxImage(MagickWand *wand,const char *expression) 781</pre> 782 783<p>A description of each parameter follows: </dd> 784 785<dd> 786</dd> 787 788<dd> </dd> 789<dl class="dl-horizontal"> 790<dt>wand</dt> 791<dd>the magick wand. </dd> 792 793<dd> </dd> 794<dt>expression</dt> 795<dd>the expression. </dd> 796 797<dd> </dd> 798</dl> 799<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCharcoalImage">MagickCharcoalImage</a></h2> 800 801<p>MagickCharcoalImage() simulates a charcoal drawing.</p> 802 803<p>The format of the MagickCharcoalImage method is:</p> 804 805<pre class="text"> 806MagickBooleanType MagickCharcoalImage(MagickWand *wand, 807 const double radius,const double sigma) 808</pre> 809 810<p>A description of each parameter follows:</p> 811 812<dd> 813</dd> 814 815<dd> </dd> 816<dl class="dl-horizontal"> 817<dt>wand</dt> 818<dd>the magick wand. </dd> 819 820<dd> </dd> 821<dt>radius</dt> 822<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 823 824<dd> </dd> 825<dt>sigma</dt> 826<dd>the standard deviation of the Gaussian, in pixels. </dd> 827 828<dd> </dd> 829</dl> 830<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickChopImage">MagickChopImage</a></h2> 831 832<p>MagickChopImage() removes a region of an image and collapses the image to occupy the removed portion</p> 833 834<p>The format of the MagickChopImage method is:</p> 835 836<pre class="text"> 837MagickBooleanType MagickChopImage(MagickWand *wand, 838 const size_t width,const size_t height,const ssize_t x, 839 const ssize_t y) 840</pre> 841 842<p>A description of each parameter follows:</p> 843 844<dd> 845</dd> 846 847<dd> </dd> 848<dl class="dl-horizontal"> 849<dt>wand</dt> 850<dd>the magick wand. </dd> 851 852<dd> </dd> 853<dt>width</dt> 854<dd>the region width. </dd> 855 856<dd> </dd> 857<dt>height</dt> 858<dd>the region height. </dd> 859 860<dd> </dd> 861<dt>x</dt> 862<dd>the region x offset. </dd> 863 864<dd> </dd> 865<dt>y</dt> 866<dd>the region y offset. </dd> 867 868<dd> </dd> 869 870<dd> </dd> 871</dl> 872<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCLAHEImage">MagickCLAHEImage</a></h2> 873 874<p>MagickCLAHEImage() is a variant of adaptive histogram equalization in which the contrast amplification is limited, so as to reduce this problem of noise amplification.</p> 875 876<p>The format of the CLAHEImage method is:</p> 877 878<pre class="text"> 879MagickBooleanType MagickCLAHEImage(MagickWand *wand,const size_t width, 880 const size_t height,const double number_bins,const double clip_limit) 881</pre> 882 883<p>A description of each parameter follows:</p> 884 885<dd> 886</dd> 887 888<dd> </dd> 889<dl class="dl-horizontal"> 890<dt>wand</dt> 891<dd>the magick wand. </dd> 892 893<dd> </dd> 894<dt>width</dt> 895<dd>the width of the tile divisions to use in horizontal direction. </dd> 896 897<dd> </dd> 898<dt>height</dt> 899<dd>the height of the tile divisions to use in vertical direction. </dd> 900 901<dd> </dd> 902<dt>number_bins</dt> 903<dd>number of bins for histogram ("dynamic range"). </dd> 904 905<dd> </dd> 906<dt>clip_limit</dt> 907<dd>contrast limit for localised changes in contrast. A limit less than 1 results in standard non-contrast limited AHE. </dd> 908 909<dd> </dd> 910</dl> 911<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickClampImage">MagickClampImage</a></h2> 912 913<p>MagickClampImage() restricts the color range from 0 to the quantum depth.</p> 914 915<p>The format of the MagickClampImage method is:</p> 916 917<pre class="text"> 918MagickBooleanType MagickClampImage(MagickWand *wand) 919</pre> 920 921<p>A description of each parameter follows:</p> 922 923<dd> 924</dd> 925 926<dd> </dd> 927<dl class="dl-horizontal"> 928<dt>wand</dt> 929<dd>the magick wand. </dd> 930 931<dd> </dd> 932<dt>channel</dt> 933<dd>the channel. </dd> 934 935<dd> </dd> 936</dl> 937<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickClipImage">MagickClipImage</a></h2> 938 939<p>MagickClipImage() clips along the first path from the 8BIM profile, if present.</p> 940 941<p>The format of the MagickClipImage method is:</p> 942 943<pre class="text"> 944MagickBooleanType MagickClipImage(MagickWand *wand) 945</pre> 946 947<p>A description of each parameter follows:</p> 948 949<dd> 950</dd> 951 952<dd> </dd> 953<dl class="dl-horizontal"> 954<dt>wand</dt> 955<dd>the magick wand. </dd> 956 957<dd> </dd> 958</dl> 959<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickClipImagePath">MagickClipImagePath</a></h2> 960 961<p>MagickClipImagePath() clips along the named paths from the 8BIM profile, if present. Later operations take effect inside the path. Id may be a number if preceded with #, to work on a numbered path, e.g., "#1" to use the first path.</p> 962 963<p>The format of the MagickClipImagePath method is:</p> 964 965<pre class="text"> 966MagickBooleanType MagickClipImagePath(MagickWand *wand, 967 const char *pathname,const MagickBooleanType inside) 968</pre> 969 970<p>A description of each parameter follows:</p> 971 972<dd> 973</dd> 974 975<dd> </dd> 976<dl class="dl-horizontal"> 977<dt>wand</dt> 978<dd>the magick wand. </dd> 979 980<dd> </dd> 981<dt>pathname</dt> 982<dd>name of clipping path resource. If name is preceded by #, use clipping path numbered by name. </dd> 983 984<dd> </dd> 985<dt>inside</dt> 986<dd>if non-zero, later operations take effect inside clipping path. Otherwise later operations take effect outside clipping path. </dd> 987 988<dd> </dd> 989</dl> 990<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickClutImage">MagickClutImage</a></h2> 991 992<p>MagickClutImage() replaces colors in the image from a color lookup table.</p> 993 994<p>The format of the MagickClutImage method is:</p> 995 996<pre class="text"> 997MagickBooleanType MagickClutImage(MagickWand *wand, 998 const MagickWand *clut_wand,const PixelInterpolateMethod method) 999</pre> 1000 1001<p>A description of each parameter follows:</p> 1002 1003<dd> 1004</dd> 1005 1006<dd> </dd> 1007<dl class="dl-horizontal"> 1008<dt>wand</dt> 1009<dd>the magick wand. </dd> 1010 1011<dd> </dd> 1012<dt>clut_image</dt> 1013<dd>the clut image. </dd> 1014 1015<dd> </dd> 1016<dt>method</dt> 1017<dd>the pixel interpolation method. </dd> 1018 1019<dd> </dd> 1020</dl> 1021<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCoalesceImages">MagickCoalesceImages</a></h2> 1022 1023<p>MagickCoalesceImages() composites a set of images while respecting any page offsets and disposal methods. GIF, MIFF, and MNG animation sequences typically start with an image background and each subsequent image varies in size and offset. MagickCoalesceImages() returns a new sequence where each image in the sequence is the same size as the first and composited with the next image in the sequence.</p> 1024 1025<p>The format of the MagickCoalesceImages method is:</p> 1026 1027<pre class="text"> 1028MagickWand *MagickCoalesceImages(MagickWand *wand) 1029</pre> 1030 1031<p>A description of each parameter follows:</p> 1032 1033<dd> 1034</dd> 1035 1036<dd> </dd> 1037<dl class="dl-horizontal"> 1038<dt>wand</dt> 1039<dd>the magick wand. </dd> 1040 1041<dd> </dd> 1042</dl> 1043<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickColorDecisionListImage">MagickColorDecisionListImage</a></h2> 1044 1045<p>MagickColorDecisionListImage() accepts a lightweight Color Correction Collection (CCC) file which solely contains one or more color corrections and applies the color correction to the image. Here is a sample CCC file:</p> 1046 1047<pre class="text"> 1048 <ColorCorrectionCollection xmlns="urn:ASC:CDL:v1.2"> 1049 <ColorCorrection id="cc03345"> 1050 <SOPNode> 1051 <Slope> 0.9 1.2 0.5 </Slope> 1052 <Offset> 0.4 -0.5 0.6 </Offset> 1053 <Power> 1.0 0.8 1.5 </Power> 1054 </SOPNode> 1055 <SATNode> 1056 <Saturation> 0.85 </Saturation> 1057 </SATNode> 1058 </ColorCorrection> 1059 </ColorCorrectionCollection> 1060</pre> 1061 1062<p>which includes the offset, slope, and power for each of the RGB channels as well as the saturation.</p> 1063 1064<p>The format of the MagickColorDecisionListImage method is:</p> 1065 1066<pre class="text"> 1067MagickBooleanType MagickColorDecisionListImage(MagickWand *wand, 1068 const char *color_correction_collection) 1069</pre> 1070 1071<p>A description of each parameter follows:</p> 1072 1073<dd> 1074</dd> 1075 1076<dd> </dd> 1077<dl class="dl-horizontal"> 1078<dt>wand</dt> 1079<dd>the magick wand. </dd> 1080 1081<dd> </dd> 1082<dt>color_correction_collection</dt> 1083<dd>the color correction collection in XML. </dd> 1084 1085<dd> </dd> 1086</dl> 1087<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickColorizeImage">MagickColorizeImage</a></h2> 1088 1089<p>MagickColorizeImage() blends the fill color with each pixel in the image.</p> 1090 1091<p>The format of the MagickColorizeImage method is:</p> 1092 1093<pre class="text"> 1094MagickBooleanType MagickColorizeImage(MagickWand *wand, 1095 const PixelWand *colorize,const PixelWand *blend) 1096</pre> 1097 1098<p>A description of each parameter follows:</p> 1099 1100<dd> 1101</dd> 1102 1103<dd> </dd> 1104<dl class="dl-horizontal"> 1105<dt>wand</dt> 1106<dd>the magick wand. </dd> 1107 1108<dd> </dd> 1109<dt>colorize</dt> 1110<dd>the colorize pixel wand. </dd> 1111 1112<dd> </dd> 1113<dt>alpha</dt> 1114<dd>the alpha pixel wand. </dd> 1115 1116<dd> </dd> 1117</dl> 1118<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickColorMatrixImage">MagickColorMatrixImage</a></h2> 1119 1120<p>MagickColorMatrixImage() apply color transformation to an image. The method permits saturation changes, hue rotation, luminance to alpha, and various other effects. Although variable-sized transformation matrices can be used, typically one uses a 5x5 matrix for an RGBA image and a 6x6 for CMYKA (or RGBA with offsets). The matrix is similar to those used by Adobe Flash except offsets are in column 6 rather than 5 (in support of CMYKA images) and offsets are normalized (divide Flash offset by 255).</p> 1121 1122<p>The format of the MagickColorMatrixImage method is:</p> 1123 1124<pre class="text"> 1125MagickBooleanType MagickColorMatrixImage(MagickWand *wand, 1126 const KernelInfo *color_matrix) 1127</pre> 1128 1129<p>A description of each parameter follows:</p> 1130 1131<dd> 1132</dd> 1133 1134<dd> </dd> 1135<dl class="dl-horizontal"> 1136<dt>wand</dt> 1137<dd>the magick wand. </dd> 1138 1139<dd> </dd> 1140<dt>color_matrix</dt> 1141<dd> the color matrix. </dd> 1142 1143<dd> </dd> 1144</dl> 1145<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickColorThresholdImage">MagickColorThresholdImage</a></h2> 1146 1147<p>MagickColorThresholdImage() forces all pixels in the color range to white otherwise black.</p> 1148 1149<p>The format of the MagickWhiteThresholdImage method is:</p> 1150 1151<pre class="text"> 1152MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 1153 const PixelWand *start_color,const PixelWand *stop_color) 1154</pre> 1155 1156<p>A description of each parameter follows:</p> 1157 1158<dd> 1159</dd> 1160 1161<dd> </dd> 1162<dl class="dl-horizontal"> 1163<dt>wand</dt> 1164<dd>the magick wand. </dd> 1165 1166<dd> </dd> 1167<dt>start-color</dt> 1168<dd>the start color pixel wand. </dd> 1169 1170<dd> </dd> 1171<dt>stop-color</dt> 1172<dd>the stop color pixel wand. </dd> 1173 1174<dd> </dd> 1175</dl> 1176<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCombineImages">MagickCombineImages</a></h2> 1177 1178<p>MagickCombineImages() combines one or more images into a single image. The grayscale value of the pixels of each image in the sequence is assigned in order to the specified hannels of the combined image. The typical ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc.</p> 1179 1180<p>The format of the MagickCombineImages method is:</p> 1181 1182<pre class="text"> 1183MagickWand *MagickCombineImages(MagickWand *wand, 1184 const ColorspaceType colorspace) 1185</pre> 1186 1187<p>A description of each parameter follows:</p> 1188 1189<dd> 1190</dd> 1191 1192<dd> </dd> 1193<dl class="dl-horizontal"> 1194<dt>wand</dt> 1195<dd>the magick wand. </dd> 1196 1197<dd> </dd> 1198<dt>colorspace</dt> 1199<dd>the colorspace. </dd> 1200 1201<dd> </dd> 1202</dl> 1203<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCommentImage">MagickCommentImage</a></h2> 1204 1205<p>MagickCommentImage() adds a comment to your image.</p> 1206 1207<p>The format of the MagickCommentImage method is:</p> 1208 1209<pre class="text"> 1210MagickBooleanType MagickCommentImage(MagickWand *wand, 1211 const char *comment) 1212</pre> 1213 1214<p>A description of each parameter follows:</p> 1215 1216<dd> 1217</dd> 1218 1219<dd> </dd> 1220<dl class="dl-horizontal"> 1221<dt>wand</dt> 1222<dd>the magick wand. </dd> 1223 1224<dd> </dd> 1225<dt>comment</dt> 1226<dd>the image comment. </dd> 1227 1228<dd> </dd> 1229</dl> 1230<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCompareImagesLayers">MagickCompareImagesLayers</a></h2> 1231 1232<p>MagickCompareImagesLayers() compares each image with the next in a sequence and returns the maximum bounding region of any pixel differences it discovers.</p> 1233 1234<p>The format of the MagickCompareImagesLayers method is:</p> 1235 1236<pre class="text"> 1237MagickWand *MagickCompareImagesLayers(MagickWand *wand, 1238 const LayerMethod method) 1239</pre> 1240 1241<p>A description of each parameter follows:</p> 1242 1243<dd> 1244</dd> 1245 1246<dd> </dd> 1247<dl class="dl-horizontal"> 1248<dt>wand</dt> 1249<dd>the magick wand. </dd> 1250 1251<dd> </dd> 1252<dt>method</dt> 1253<dd>the compare method. </dd> 1254 1255<dd> </dd> 1256</dl> 1257<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCompareImages">MagickCompareImages</a></h2> 1258 1259<p>MagickCompareImages() compares an image to a reconstructed image and returns the specified difference image.</p> 1260 1261<p>The format of the MagickCompareImages method is:</p> 1262 1263<pre class="text"> 1264MagickWand *MagickCompareImages(MagickWand *wand, 1265 const MagickWand *reference,const MetricType metric, 1266 double *distortion) 1267</pre> 1268 1269<p>A description of each parameter follows:</p> 1270 1271<dd> 1272</dd> 1273 1274<dd> </dd> 1275<dl class="dl-horizontal"> 1276<dt>wand</dt> 1277<dd>the magick wand. </dd> 1278 1279<dd> </dd> 1280<dt>reference</dt> 1281<dd>the reference wand. </dd> 1282 1283<dd> </dd> 1284<dt>metric</dt> 1285<dd>the metric. </dd> 1286 1287<dd> </dd> 1288<dt>distortion</dt> 1289<dd>the computed distortion between the images. </dd> 1290 1291<dd> </dd> 1292</dl> 1293<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickComplexImages">MagickComplexImages</a></h2> 1294 1295<p>MagickComplexImages() performs complex mathematics on an image sequence.</p> 1296 1297<p>The format of the MagickComplexImages method is:</p> 1298 1299<pre class="text"> 1300MagickWand *MagickComplexImages(MagickWand *wand, 1301 const ComplexOperator op) 1302</pre> 1303 1304<p>A description of each parameter follows:</p> 1305 1306<dd> 1307</dd> 1308 1309<dd> </dd> 1310<dl class="dl-horizontal"> 1311<dt>wand</dt> 1312<dd>the magick wand. </dd> 1313 1314<dd> </dd> 1315<dt>op</dt> 1316<dd>A complex operator. Choose from AddComplexOperator, ConjugateComplexOperator,DivideComplexOperator, MagnitudePhaseComplexOperator,MultiplyComplexOperator, RealImaginaryComplexOperator, SubtractComplexOperator. </dd> 1317 1318<dd> </dd> 1319</dl> 1320<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCompositeImage">MagickCompositeImage</a></h2> 1321 1322<p>MagickCompositeImage() composite one image onto another at the specified offset.</p> 1323 1324<p>The format of the MagickCompositeImage method is:</p> 1325 1326<pre class="text"> 1327MagickBooleanType MagickCompositeImage(MagickWand *wand, 1328 const MagickWand *source_wand,const CompositeOperator compose, 1329 const MagickBooleanType clip_to_self,const ssize_t x,const ssize_t y) 1330</pre> 1331 1332<p>A description of each parameter follows:</p> 1333 1334<dd> 1335</dd> 1336 1337<dd> </dd> 1338<dl class="dl-horizontal"> 1339<dt>wand</dt> 1340<dd>the magick wand holding the destination images </dd> 1341 1342<dd> </dd> 1343<dt>source_image</dt> 1344<dd>the magick wand holding source image. </dd> 1345 1346<dd> </dd> 1347<dt>compose</dt> 1348<dd>This operator affects how the composite is applied to the image. The default is Over. These are some of the compose methods availble. </dd> 1349 1350<dd> OverCompositeOp InCompositeOp OutCompositeOp AtopCompositeOp XorCompositeOp PlusCompositeOp MinusCompositeOp AddCompositeOp SubtractCompositeOp DifferenceCompositeOp BumpmapCompositeOp CopyCompositeOp DisplaceCompositeOp </dd> 1351 1352<dd> </dd> 1353<dt>clip_to_self</dt> 1354<dd>set to MagickTrue to limit composition to area composed. </dd> 1355 1356<dd> </dd> 1357<dt>x</dt> 1358<dd>the column offset of the composited image. </dd> 1359 1360<dd> </dd> 1361<dt>y</dt> 1362<dd>the row offset of the composited image. </dd> 1363 1364<dd> </dd> 1365</dl> 1366<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCompositeImageGravity">MagickCompositeImageGravity</a></h2> 1367 1368<p>MagickCompositeImageGravity() composite one image onto another using the specified gravity.</p> 1369 1370<p>The format of the MagickCompositeImageGravity method is:</p> 1371 1372<pre class="text"> 1373MagickBooleanType MagickCompositeImageGravity(MagickWand *wand, 1374 const MagickWand *source_wand,const CompositeOperator compose, 1375 const GravityType gravity) 1376</pre> 1377 1378<p>A description of each parameter follows:</p> 1379 1380<dd> 1381</dd> 1382 1383<dd> </dd> 1384<dl class="dl-horizontal"> 1385<dt>wand</dt> 1386<dd>the magick wand holding the destination images </dd> 1387 1388<dd> </dd> 1389<dt>source_image</dt> 1390<dd>the magick wand holding source image. </dd> 1391 1392<dd> </dd> 1393<dt>compose</dt> 1394<dd>This operator affects how the composite is applied to the image. The default is Over. These are some of the compose methods availble. </dd> 1395 1396<dd> OverCompositeOp InCompositeOp OutCompositeOp AtopCompositeOp XorCompositeOp PlusCompositeOp MinusCompositeOp AddCompositeOp SubtractCompositeOp DifferenceCompositeOp BumpmapCompositeOp CopyCompositeOp DisplaceCompositeOp </dd> 1397 1398<dd> </dd> 1399<dt>gravity</dt> 1400<dd>positioning gravity (NorthWestGravity, NorthGravity, NorthEastGravity, WestGravity, CenterGravity, EastGravity, SouthWestGravity, SouthGravity, SouthEastGravity) </dd> 1401 1402<dd> </dd> 1403</dl> 1404<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCompositeLayers">MagickCompositeLayers</a></h2> 1405 1406<p>MagickCompositeLayers() composite the images in the source wand over the images in the destination wand in sequence, starting with the current image in both lists.</p> 1407 1408<p>Each layer from the two image lists are composted together until the end of one of the image lists is reached. The offset of each composition is also adjusted to match the virtual canvas offsets of each layer. As such the given offset is relative to the virtual canvas, and not the actual image.</p> 1409 1410<p>Composition uses given x and y offsets, as the 'origin' location of the source images virtual canvas (not the real image) allowing you to compose a list of 'layer images' into the destiantioni images. This makes it well sutiable for directly composing 'Clears Frame Animations' or 'Coaleased Animations' onto a static or other 'Coaleased Animation' destination image list. GIF disposal handling is not looked at.</p> 1411 1412<p>Special case:- If one of the image sequences is the last image (just a single image remaining), that image is repeatally composed with all the images in the other image list. Either the source or destination lists may be the single image, for this situation.</p> 1413 1414<p>In the case of a single destination image (or last image given), that image will ve cloned to match the number of images remaining in the source image list.</p> 1415 1416<p>This is equivelent to the "-layer Composite" Shell API operator.</p> 1417 1418<p>The format of the MagickCompositeLayers method is:</p> 1419 1420<pre class="text"> 1421MagickBooleanType MagickCompositeLayers(MagickWand *wand, 1422 const MagickWand *source_wand, const CompositeOperator compose, 1423 const ssize_t x,const ssize_t y) 1424</pre> 1425 1426<p>A description of each parameter follows:</p> 1427 1428<dd> 1429</dd> 1430 1431<dd> </dd> 1432<dl class="dl-horizontal"> 1433<dt>wand</dt> 1434<dd>the magick wand holding destaintion images </dd> 1435 1436<dd> </dd> 1437<dt>source_wand</dt> 1438<dd>the wand holding the source images </dd> 1439 1440<dd> </dd> 1441<dt>compose, x, y</dt> 1442<dd> composition arguments </dd> 1443 1444<dd> </dd> 1445</dl> 1446<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickConnectedComponentsImage">MagickConnectedComponentsImage</a></h2> 1447 1448<p>MagickConnectedComponentsImage() returns the connected-components of the image uniquely labeled. The returned connected components image colors member defines the number of unique objects. Choose from 4 or 8-way connectivity.</p> 1449 1450<p>The format of the MagickConnectedComponentsImage method is:</p> 1451 1452<pre class="text"> 1453MagickBooleanType MagickConnectedComponentsImage(MagickWand *wand, 1454 const size_t connectivity,CCObjectInfo **objects) 1455</pre> 1456 1457<p>A description of each parameter follows:</p> 1458 1459<dd> 1460</dd> 1461 1462<dd> </dd> 1463<dl class="dl-horizontal"> 1464<dt>wand</dt> 1465<dd>the magick wand. </dd> 1466 1467<dd> </dd> 1468<dt>connectivity</dt> 1469<dd>how many neighbors to visit, choose from 4 or 8. </dd> 1470 1471<dd> </dd> 1472<dt>objects</dt> 1473<dd>return the attributes of each unique object. </dd> 1474 1475<dd> </dd> 1476</dl> 1477<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickContrastImage">MagickContrastImage</a></h2> 1478 1479<p>MagickContrastImage() enhances the intensity differences between the lighter and darker elements of the image. Set sharpen to a value other than 0 to increase the image contrast otherwise the contrast is reduced.</p> 1480 1481<p>The format of the MagickContrastImage method is:</p> 1482 1483<pre class="text"> 1484MagickBooleanType MagickContrastImage(MagickWand *wand, 1485 const MagickBooleanType sharpen) 1486</pre> 1487 1488<p>A description of each parameter follows:</p> 1489 1490<dd> 1491</dd> 1492 1493<dd> </dd> 1494<dl class="dl-horizontal"> 1495<dt>wand</dt> 1496<dd>the magick wand. </dd> 1497 1498<dd> </dd> 1499<dt>sharpen</dt> 1500<dd>Increase or decrease image contrast. </dd> 1501 1502<dd> </dd> 1503 1504<dd> </dd> 1505</dl> 1506<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickContrastStretchImage">MagickContrastStretchImage</a></h2> 1507 1508<p>MagickContrastStretchImage() enhances the contrast of a color image by adjusting the pixels color to span the entire range of colors available. You can also reduce the influence of a particular channel with a gamma value of 0.</p> 1509 1510<p>The format of the MagickContrastStretchImage method is:</p> 1511 1512<pre class="text"> 1513MagickBooleanType MagickContrastStretchImage(MagickWand *wand, 1514 const double black_point,const double white_point) 1515</pre> 1516 1517<p>A description of each parameter follows:</p> 1518 1519<dd> 1520</dd> 1521 1522<dd> </dd> 1523<dl class="dl-horizontal"> 1524<dt>wand</dt> 1525<dd>the magick wand. </dd> 1526 1527<dd> </dd> 1528<dt>black_point</dt> 1529<dd>the black point. </dd> 1530 1531<dd> </dd> 1532<dt>white_point</dt> 1533<dd>the white point. </dd> 1534 1535<dd> </dd> 1536</dl> 1537<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickConvolveImage">MagickConvolveImage</a></h2> 1538 1539<p>MagickConvolveImage() applies a custom convolution kernel to the image.</p> 1540 1541<p>The format of the MagickConvolveImage method is:</p> 1542 1543<pre class="text"> 1544MagickBooleanType MagickConvolveImage(MagickWand *wand, 1545 const KernelInfo *kernel) 1546</pre> 1547 1548<p>A description of each parameter follows:</p> 1549 1550<dd> 1551</dd> 1552 1553<dd> </dd> 1554<dl class="dl-horizontal"> 1555<dt>wand</dt> 1556<dd>the magick wand. </dd> 1557 1558<dd> </dd> 1559<dt>kernel</dt> 1560<dd>An array of doubles representing the convolution kernel. </dd> 1561 1562<dd> </dd> 1563</dl> 1564<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCropImage">MagickCropImage</a></h2> 1565 1566<p>MagickCropImage() extracts a region of the image.</p> 1567 1568<p>The format of the MagickCropImage method is:</p> 1569 1570<pre class="text"> 1571MagickBooleanType MagickCropImage(MagickWand *wand, 1572 const size_t width,const size_t height,const ssize_t x,const ssize_t y) 1573</pre> 1574 1575<p>A description of each parameter follows:</p> 1576 1577<dd> 1578</dd> 1579 1580<dd> </dd> 1581<dl class="dl-horizontal"> 1582<dt>wand</dt> 1583<dd>the magick wand. </dd> 1584 1585<dd> </dd> 1586<dt>width</dt> 1587<dd>the region width. </dd> 1588 1589<dd> </dd> 1590<dt>height</dt> 1591<dd>the region height. </dd> 1592 1593<dd> </dd> 1594<dt>x</dt> 1595<dd>the region x-offset. </dd> 1596 1597<dd> </dd> 1598<dt>y</dt> 1599<dd>the region y-offset. </dd> 1600 1601<dd> </dd> 1602</dl> 1603<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickCycleColormapImage">MagickCycleColormapImage</a></h2> 1604 1605<p>MagickCycleColormapImage() displaces an image's colormap by a given number of positions. If you cycle the colormap a number of times you can produce a psychodelic effect.</p> 1606 1607<p>The format of the MagickCycleColormapImage method is:</p> 1608 1609<pre class="text"> 1610MagickBooleanType MagickCycleColormapImage(MagickWand *wand, 1611 const ssize_t displace) 1612</pre> 1613 1614<p>A description of each parameter follows:</p> 1615 1616<dd> 1617</dd> 1618 1619<dd> </dd> 1620<dl class="dl-horizontal"> 1621<dt>wand</dt> 1622<dd>the magick wand. </dd> 1623 1624<dd> </dd> 1625<dt>pixel_wand</dt> 1626<dd>the pixel wand. </dd> 1627 1628<dd> </dd> 1629</dl> 1630<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickConstituteImage">MagickConstituteImage</a></h2> 1631 1632<p>MagickConstituteImage() adds an image to the wand comprised of the pixel data you supply. The pixel data must be in scanline order top-to-bottom. The data can be char, short int, int, float, or double. Float and double require the pixels to be normalized [0..1], otherwise [0..Max], where Max is the maximum value the type can accomodate (e.g. 255 for char). For example, to create a 640x480 image from unsigned red-green-blue character data, use</p> 1633 1634<p>MagickConstituteImage(wand,640,480,"RGB",CharPixel,pixels);</p> 1635 1636<p>The format of the MagickConstituteImage method is:</p> 1637 1638<pre class="text"> 1639MagickBooleanType MagickConstituteImage(MagickWand *wand, 1640 const size_t columns,const size_t rows,const char *map, 1641 const StorageType storage,void *pixels) 1642</pre> 1643 1644<p>A description of each parameter follows:</p> 1645 1646<dd> 1647</dd> 1648 1649<dd> </dd> 1650<dl class="dl-horizontal"> 1651<dt>wand</dt> 1652<dd>the magick wand. </dd> 1653 1654<dd> </dd> 1655<dt>columns</dt> 1656<dd>width in pixels of the image. </dd> 1657 1658<dd> </dd> 1659<dt>rows</dt> 1660<dd>height in pixels of the image. </dd> 1661 1662<dd> </dd> 1663<dt>map</dt> 1664<dd> This string reflects the expected ordering of the pixel array. It can be any combination or order of R = red, G = green, B = blue, A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, Y = yellow, M = magenta, K = black, I = intensity (for grayscale), P = pad. </dd> 1665 1666<dd> </dd> 1667<dt>storage</dt> 1668<dd>Define the data type of the pixels. Float and double types are expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, LongPixel, QuantumPixel, or ShortPixel. </dd> 1669 1670<dd> </dd> 1671<dt>pixels</dt> 1672<dd>This array of values contain the pixel components as defined by map and type. You must preallocate this array where the expected length varies depending on the values of width, height, map, and type. </dd> 1673 1674<dd> </dd> 1675 1676<dd> </dd> 1677</dl> 1678<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickDecipherImage">MagickDecipherImage</a></h2> 1679 1680<p>MagickDecipherImage() converts cipher pixels to plain pixels.</p> 1681 1682<p>The format of the MagickDecipherImage method is:</p> 1683 1684<pre class="text"> 1685MagickBooleanType MagickDecipherImage(MagickWand *wand, 1686 const char *passphrase) 1687</pre> 1688 1689<p>A description of each parameter follows:</p> 1690 1691<dd> 1692</dd> 1693 1694<dd> </dd> 1695<dl class="dl-horizontal"> 1696<dt>wand</dt> 1697<dd>the magick wand. </dd> 1698 1699<dd> </dd> 1700<dt>passphrase</dt> 1701<dd>the passphrase. </dd> 1702 1703<dd> </dd> 1704</dl> 1705<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickDeconstructImages">MagickDeconstructImages</a></h2> 1706 1707<p>MagickDeconstructImages() compares each image with the next in a sequence and returns the maximum bounding region of any pixel differences it discovers.</p> 1708 1709<p>The format of the MagickDeconstructImages method is:</p> 1710 1711<pre class="text"> 1712MagickWand *MagickDeconstructImages(MagickWand *wand) 1713</pre> 1714 1715<p>A description of each parameter follows:</p> 1716 1717<dd> 1718</dd> 1719 1720<dd> </dd> 1721<dl class="dl-horizontal"> 1722<dt>wand</dt> 1723<dd>the magick wand. </dd> 1724 1725<dd> </dd> 1726</dl> 1727<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickDeskewImage">MagickDeskewImage</a></h2> 1728 1729<p>MagickDeskewImage() removes skew from the image. Skew is an artifact that occurs in scanned images because of the camera being misaligned, imperfections in the scanning or surface, or simply because the paper was not placed completely flat when scanned.</p> 1730 1731<p>The format of the MagickDeskewImage method is:</p> 1732 1733<pre class="text"> 1734MagickBooleanType MagickDeskewImage(MagickWand *wand, 1735 const double threshold) 1736</pre> 1737 1738<p>A description of each parameter follows:</p> 1739 1740<dd> 1741</dd> 1742 1743<dd> </dd> 1744<dl class="dl-horizontal"> 1745<dt>wand</dt> 1746<dd>the magick wand. </dd> 1747 1748<dd> </dd> 1749<dt>threshold</dt> 1750<dd>separate background from foreground. </dd> 1751 1752<dd> </dd> 1753</dl> 1754<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickDespeckleImage">MagickDespeckleImage</a></h2> 1755 1756<p>MagickDespeckleImage() reduces the speckle noise in an image while perserving the edges of the original image.</p> 1757 1758<p>The format of the MagickDespeckleImage method is:</p> 1759 1760<pre class="text"> 1761MagickBooleanType MagickDespeckleImage(MagickWand *wand) 1762</pre> 1763 1764<p>A description of each parameter follows:</p> 1765 1766<dd> 1767</dd> 1768 1769<dd> </dd> 1770<dl class="dl-horizontal"> 1771<dt>wand</dt> 1772<dd>the magick wand. </dd> 1773 1774<dd> </dd> 1775</dl> 1776<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickDestroyImage">MagickDestroyImage</a></h2> 1777 1778<p>MagickDestroyImage() dereferences an image, deallocating memory associated with the image if the reference count becomes zero.</p> 1779 1780<p>The format of the MagickDestroyImage method is:</p> 1781 1782<pre class="text"> 1783Image *MagickDestroyImage(Image *image) 1784</pre> 1785 1786<p>A description of each parameter follows:</p> 1787 1788<dd> 1789</dd> 1790 1791<dd> </dd> 1792<dl class="dl-horizontal"> 1793<dt>image</dt> 1794<dd>the image. </dd> 1795 1796<dd> </dd> 1797</dl> 1798<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickDisplayImage">MagickDisplayImage</a></h2> 1799 1800<p>MagickDisplayImage() displays an image.</p> 1801 1802<p>The format of the MagickDisplayImage method is:</p> 1803 1804<pre class="text"> 1805MagickBooleanType MagickDisplayImage(MagickWand *wand, 1806 const char *server_name) 1807</pre> 1808 1809<p>A description of each parameter follows:</p> 1810 1811<dd> 1812</dd> 1813 1814<dd> </dd> 1815<dl class="dl-horizontal"> 1816<dt>wand</dt> 1817<dd>the magick wand. </dd> 1818 1819<dd> </dd> 1820<dt>server_name</dt> 1821<dd>the X server name. </dd> 1822 1823<dd> </dd> 1824</dl> 1825<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickDisplayImages">MagickDisplayImages</a></h2> 1826 1827<p>MagickDisplayImages() displays an image or image sequence.</p> 1828 1829<p>The format of the MagickDisplayImages method is:</p> 1830 1831<pre class="text"> 1832MagickBooleanType MagickDisplayImages(MagickWand *wand, 1833 const char *server_name) 1834</pre> 1835 1836<p>A description of each parameter follows:</p> 1837 1838<dd> 1839</dd> 1840 1841<dd> </dd> 1842<dl class="dl-horizontal"> 1843<dt>wand</dt> 1844<dd>the magick wand. </dd> 1845 1846<dd> </dd> 1847<dt>server_name</dt> 1848<dd>the X server name. </dd> 1849 1850<dd> </dd> 1851</dl> 1852<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickDistortImage">MagickDistortImage</a></h2> 1853 1854<p>MagickDistortImage() distorts an image using various distortion methods, by mapping color lookups of the source image to a new destination image usally of the same size as the source image, unless 'bestfit' is set to true.</p> 1855 1856<p>If 'bestfit' is enabled, and distortion allows it, the destination image is adjusted to ensure the whole source 'image' will just fit within the final destination image, which will be sized and offset accordingly. Also in many cases the virtual offset of the source image will be taken into account in the mapping.</p> 1857 1858<p>The format of the MagickDistortImage method is:</p> 1859 1860<pre class="text"> 1861MagickBooleanType MagickDistortImage(MagickWand *wand, 1862 const DistortMethod method,const size_t number_arguments, 1863 const double *arguments,const MagickBooleanType bestfit) 1864</pre> 1865 1866<p>A description of each parameter follows:</p> 1867 1868<dd> 1869</dd> 1870 1871<dd> </dd> 1872<dl class="dl-horizontal"> 1873<dt>image</dt> 1874<dd>the image to be distorted. </dd> 1875 1876<dd> </dd> 1877<dt>method</dt> 1878<dd>the method of image distortion. </dd> 1879 1880<dd> ArcDistortion always ignores the source image offset, and always 'bestfit' the destination image with the top left corner offset relative to the polar mapping center. </dd> 1881 1882<dd> Bilinear has no simple inverse mapping so it does not allow 'bestfit' style of image distortion. </dd> 1883 1884<dd> Affine, Perspective, and Bilinear, do least squares fitting of the distortion when more than the minimum number of control point pairs are provided. </dd> 1885 1886<dd> Perspective, and Bilinear, falls back to a Affine distortion when less that 4 control point pairs are provided. While Affine distortions let you use any number of control point pairs, that is Zero pairs is a no-Op (viewport only) distrotion, one pair is a translation and two pairs of control points do a scale-rotate-translate, without any shearing. </dd> 1887 1888<dd> </dd> 1889<dt>number_arguments</dt> 1890<dd>the number of arguments given for this distortion method. </dd> 1891 1892<dd> </dd> 1893<dt>arguments</dt> 1894<dd>the arguments for this distortion method. </dd> 1895 1896<dd> </dd> 1897<dt>bestfit</dt> 1898<dd>Attempt to resize destination to fit distorted source. </dd> 1899 1900<dd> </dd> 1901</dl> 1902<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickDrawImage">MagickDrawImage</a></h2> 1903 1904<p>MagickDrawImage() renders the drawing wand on the current image.</p> 1905 1906<p>The format of the MagickDrawImage method is:</p> 1907 1908<pre class="text"> 1909MagickBooleanType MagickDrawImage(MagickWand *wand, 1910 const DrawingWand *drawing_wand) 1911</pre> 1912 1913<p>A description of each parameter follows:</p> 1914 1915<dd> 1916</dd> 1917 1918<dd> </dd> 1919<dl class="dl-horizontal"> 1920<dt>wand</dt> 1921<dd>the magick wand. </dd> 1922 1923<dd> </dd> 1924<dt>drawing_wand</dt> 1925<dd>the draw wand. </dd> 1926 1927<dd> </dd> 1928</dl> 1929<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickEdgeImage">MagickEdgeImage</a></h2> 1930 1931<p>MagickEdgeImage() enhance edges within the image with a convolution filter of the given radius. Use a radius of 0 and Edge() selects a suitable radius for you.</p> 1932 1933<p>The format of the MagickEdgeImage method is:</p> 1934 1935<pre class="text"> 1936MagickBooleanType MagickEdgeImage(MagickWand *wand,const double radius) 1937</pre> 1938 1939<p>A description of each parameter follows:</p> 1940 1941<dd> 1942</dd> 1943 1944<dd> </dd> 1945<dl class="dl-horizontal"> 1946<dt>wand</dt> 1947<dd>the magick wand. </dd> 1948 1949<dd> </dd> 1950<dt>radius</dt> 1951<dd>the radius of the pixel neighborhood. </dd> 1952 1953<dd> </dd> 1954</dl> 1955<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickEmbossImage">MagickEmbossImage</a></h2> 1956 1957<p>MagickEmbossImage() returns a grayscale image with a three-dimensional effect. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and Emboss() selects a suitable radius for you.</p> 1958 1959<p>The format of the MagickEmbossImage method is:</p> 1960 1961<pre class="text"> 1962MagickBooleanType MagickEmbossImage(MagickWand *wand,const double radius, 1963 const double sigma) 1964</pre> 1965 1966<p>A description of each parameter follows:</p> 1967 1968<dd> 1969</dd> 1970 1971<dd> </dd> 1972<dl class="dl-horizontal"> 1973<dt>wand</dt> 1974<dd>the magick wand. </dd> 1975 1976<dd> </dd> 1977<dt>radius</dt> 1978<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 1979 1980<dd> </dd> 1981<dt>sigma</dt> 1982<dd>the standard deviation of the Gaussian, in pixels. </dd> 1983 1984<dd> </dd> 1985</dl> 1986<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickEncipherImage">MagickEncipherImage</a></h2> 1987 1988<p>MagickEncipherImage() converts plaint pixels to cipher pixels.</p> 1989 1990<p>The format of the MagickEncipherImage method is:</p> 1991 1992<pre class="text"> 1993MagickBooleanType MagickEncipherImage(MagickWand *wand, 1994 const char *passphrase) 1995</pre> 1996 1997<p>A description of each parameter follows:</p> 1998 1999<dd> 2000</dd> 2001 2002<dd> </dd> 2003<dl class="dl-horizontal"> 2004<dt>wand</dt> 2005<dd>the magick wand. </dd> 2006 2007<dd> </dd> 2008<dt>passphrase</dt> 2009<dd>the passphrase. </dd> 2010 2011<dd> </dd> 2012</dl> 2013<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickEnhanceImage">MagickEnhanceImage</a></h2> 2014 2015<p>MagickEnhanceImage() applies a digital filter that improves the quality of a noisy image.</p> 2016 2017<p>The format of the MagickEnhanceImage method is:</p> 2018 2019<pre class="text"> 2020MagickBooleanType MagickEnhanceImage(MagickWand *wand) 2021</pre> 2022 2023<p>A description of each parameter follows:</p> 2024 2025<dd> 2026</dd> 2027 2028<dd> </dd> 2029<dl class="dl-horizontal"> 2030<dt>wand</dt> 2031<dd>the magick wand. </dd> 2032 2033<dd> </dd> 2034</dl> 2035<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickEqualizeImage">MagickEqualizeImage</a></h2> 2036 2037<p>MagickEqualizeImage() equalizes the image histogram.</p> 2038 2039<p>The format of the MagickEqualizeImage method is:</p> 2040 2041<pre class="text"> 2042MagickBooleanType MagickEqualizeImage(MagickWand *wand) 2043</pre> 2044 2045<p>A description of each parameter follows:</p> 2046 2047<dd> 2048</dd> 2049 2050<dd> </dd> 2051<dl class="dl-horizontal"> 2052<dt>wand</dt> 2053<dd>the magick wand. </dd> 2054 2055<dd> </dd> 2056<dt>channel</dt> 2057<dd>the image channel(s). </dd> 2058 2059<dd> </dd> 2060</dl> 2061<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickEvaluateImage">MagickEvaluateImage</a></h2> 2062 2063<p>MagickEvaluateImage() applys an arithmetic, relational, or logical expression to an image. Use these operators to lighten or darken an image, to increase or decrease contrast in an image, or to produce the "negative" of an image.</p> 2064 2065<p>The format of the MagickEvaluateImage method is:</p> 2066 2067<pre class="text"> 2068MagickBooleanType MagickEvaluateImage(MagickWand *wand, 2069 const MagickEvaluateOperator operator,const double value) 2070MagickBooleanType MagickEvaluateImages(MagickWand *wand, 2071 const MagickEvaluateOperator operator) 2072</pre> 2073 2074<p>A description of each parameter follows:</p> 2075 2076<dd> 2077</dd> 2078 2079<dd> </dd> 2080<dl class="dl-horizontal"> 2081<dt>wand</dt> 2082<dd>the magick wand. </dd> 2083 2084<dd> </dd> 2085<dt>op</dt> 2086<dd>A channel operator. </dd> 2087 2088<dd> </dd> 2089<dt>value</dt> 2090<dd>A value value. </dd> 2091 2092<dd> </dd> 2093</dl> 2094<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickExportImagePixels">MagickExportImagePixels</a></h2> 2095 2096<p>MagickExportImagePixels() extracts pixel data from an image and returns it to you. The method returns MagickTrue on success otherwise MagickFalse if an error is encountered. The data is returned as char, short int, int, ssize_t, float, or double in the order specified by map.</p> 2097 2098<p>Suppose you want to extract the first scanline of a 640x480 image as character data in red-green-blue order:</p> 2099 2100<pre class="text"> 2101MagickExportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 2102</pre> 2103 2104<p>The format of the MagickExportImagePixels method is:</p> 2105 2106<pre class="text"> 2107MagickBooleanType MagickExportImagePixels(MagickWand *wand, 2108 const ssize_t x,const ssize_t y,const size_t columns, 2109 const size_t rows,const char *map,const StorageType storage, 2110 void *pixels) 2111</pre> 2112 2113<p>A description of each parameter follows:</p> 2114 2115<dd> 2116</dd> 2117 2118<dd> </dd> 2119<dl class="dl-horizontal"> 2120<dt>wand</dt> 2121<dd>the magick wand. </dd> 2122 2123<dd> </dd> 2124<dt>x, y, columns, rows</dt> 2125<dd> These values define the perimeter of a region of pixels you want to extract. </dd> 2126 2127<dd> </dd> 2128<dt>map</dt> 2129<dd> This string reflects the expected ordering of the pixel array. It can be any combination or order of R = red, G = green, B = blue, A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, Y = yellow, M = magenta, K = black, I = intensity (for grayscale), P = pad. </dd> 2130 2131<dd> </dd> 2132<dt>storage</dt> 2133<dd>Define the data type of the pixels. Float and double types are expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, LongPixel, QuantumPixel, or ShortPixel. </dd> 2134 2135<dd> </dd> 2136<dt>pixels</dt> 2137<dd>This array of values contain the pixel components as defined by map and type. You must preallocate this array where the expected length varies depending on the values of width, height, map, and type. </dd> 2138 2139<dd> </dd> 2140</dl> 2141<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickExtentImage">MagickExtentImage</a></h2> 2142 2143<p>MagickExtentImage() extends the image as defined by the geometry, gravity, and wand background color. Set the (x,y) offset of the geometry to move the original wand relative to the extended wand.</p> 2144 2145<p>The format of the MagickExtentImage method is:</p> 2146 2147<pre class="text"> 2148MagickBooleanType MagickExtentImage(MagickWand *wand,const size_t width, 2149 const size_t height,const ssize_t x,const ssize_t y) 2150</pre> 2151 2152<p>A description of each parameter follows:</p> 2153 2154<dd> 2155</dd> 2156 2157<dd> </dd> 2158<dl class="dl-horizontal"> 2159<dt>wand</dt> 2160<dd>the magick wand. </dd> 2161 2162<dd> </dd> 2163<dt>width</dt> 2164<dd>the region width. </dd> 2165 2166<dd> </dd> 2167<dt>height</dt> 2168<dd>the region height. </dd> 2169 2170<dd> </dd> 2171<dt>x</dt> 2172<dd>the region x offset. </dd> 2173 2174<dd> </dd> 2175<dt>y</dt> 2176<dd>the region y offset. </dd> 2177 2178<dd> </dd> 2179</dl> 2180<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickFlipImage">MagickFlipImage</a></h2> 2181 2182<p>MagickFlipImage() creates a vertical mirror image by reflecting the pixels around the central x-axis.</p> 2183 2184<p>The format of the MagickFlipImage method is:</p> 2185 2186<pre class="text"> 2187MagickBooleanType MagickFlipImage(MagickWand *wand) 2188</pre> 2189 2190<p>A description of each parameter follows:</p> 2191 2192<dd> 2193</dd> 2194 2195<dd> </dd> 2196<dl class="dl-horizontal"> 2197<dt>wand</dt> 2198<dd>the magick wand. </dd> 2199 2200<dd> </dd> 2201</dl> 2202<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickFloodfillPaintImage">MagickFloodfillPaintImage</a></h2> 2203 2204<p>MagickFloodfillPaintImage() changes the color value of any pixel that matches target and is an immediate neighbor. If the method FillToBorderMethod is specified, the color value is changed for any neighbor pixel that does not match the bordercolor member of image.</p> 2205 2206<p>The format of the MagickFloodfillPaintImage method is:</p> 2207 2208<pre class="text"> 2209MagickBooleanType MagickFloodfillPaintImage(MagickWand *wand, 2210 const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, 2211 const ssize_t x,const ssize_t y,const MagickBooleanType invert) 2212</pre> 2213 2214<p>A description of each parameter follows:</p> 2215 2216<dd> 2217</dd> 2218 2219<dd> </dd> 2220<dl class="dl-horizontal"> 2221<dt>wand</dt> 2222<dd>the magick wand. </dd> 2223 2224<dd> </dd> 2225<dt>fill</dt> 2226<dd>the floodfill color pixel wand. </dd> 2227 2228<dd> </dd> 2229<dt>fuzz</dt> 2230<dd>By default target must match a particular pixel color exactly. However, in many cases two colors may differ by a small amount. The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same. For example, set fuzz to 10 and the color red at intensities of 100 and 102 respectively are now interpreted as the same color for the purposes of the floodfill. </dd> 2231 2232<dd> </dd> 2233<dt>bordercolor</dt> 2234<dd>the border color pixel wand. </dd> 2235 2236<dd> </dd> 2237<dt>x,y</dt> 2238<dd>the starting location of the operation. </dd> 2239 2240<dd> </dd> 2241<dt>invert</dt> 2242<dd>paint any pixel that does not match the target color. </dd> 2243 2244<dd> </dd> 2245</dl> 2246<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickFlopImage">MagickFlopImage</a></h2> 2247 2248<p>MagickFlopImage() creates a horizontal mirror image by reflecting the pixels around the central y-axis.</p> 2249 2250<p>The format of the MagickFlopImage method is:</p> 2251 2252<pre class="text"> 2253MagickBooleanType MagickFlopImage(MagickWand *wand) 2254</pre> 2255 2256<p>A description of each parameter follows:</p> 2257 2258<dd> 2259</dd> 2260 2261<dd> </dd> 2262<dl class="dl-horizontal"> 2263<dt>wand</dt> 2264<dd>the magick wand. </dd> 2265 2266<dd> </dd> 2267</dl> 2268<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickForwardFourierTransformImage">MagickForwardFourierTransformImage</a></h2> 2269 2270<p>MagickForwardFourierTransformImage() implements the discrete Fourier transform (DFT) of the image either as a magnitude / phase or real / imaginary image pair.</p> 2271 2272<p>The format of the MagickForwardFourierTransformImage method is:</p> 2273 2274<pre class="text"> 2275MagickBooleanType MagickForwardFourierTransformImage(MagickWand *wand, 2276 const MagickBooleanType magnitude) 2277</pre> 2278 2279<p>A description of each parameter follows:</p> 2280 2281<dd> 2282</dd> 2283 2284<dd> </dd> 2285<dl class="dl-horizontal"> 2286<dt>wand</dt> 2287<dd>the magick wand. </dd> 2288 2289<dd> </dd> 2290<dt>magnitude</dt> 2291<dd>if true, return as magnitude / phase pair otherwise a real / imaginary image pair. </dd> 2292 2293<dd> </dd> 2294</dl> 2295<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickFrameImage">MagickFrameImage</a></h2> 2296 2297<p>MagickFrameImage() adds a simulated three-dimensional border around the image. The width and height specify the border width of the vertical and horizontal sides of the frame. The inner and outer bevels indicate the width of the inner and outer shadows of the frame.</p> 2298 2299<p>The format of the MagickFrameImage method is:</p> 2300 2301<pre class="text"> 2302MagickBooleanType MagickFrameImage(MagickWand *wand, 2303 const PixelWand *matte_color,const size_t width, 2304 const size_t height,const ssize_t inner_bevel, 2305 const ssize_t outer_bevel,const CompositeOperator compose) 2306</pre> 2307 2308<p>A description of each parameter follows:</p> 2309 2310<dd> 2311</dd> 2312 2313<dd> </dd> 2314<dl class="dl-horizontal"> 2315<dt>wand</dt> 2316<dd>the magick wand. </dd> 2317 2318<dd> </dd> 2319<dt>matte_color</dt> 2320<dd>the frame color pixel wand. </dd> 2321 2322<dd> </dd> 2323<dt>width</dt> 2324<dd>the border width. </dd> 2325 2326<dd> </dd> 2327<dt>height</dt> 2328<dd>the border height. </dd> 2329 2330<dd> </dd> 2331<dt>inner_bevel</dt> 2332<dd>the inner bevel width. </dd> 2333 2334<dd> </dd> 2335<dt>outer_bevel</dt> 2336<dd>the outer bevel width. </dd> 2337 2338<dd> </dd> 2339<dt>compose</dt> 2340<dd>the composite operator. </dd> 2341 2342<dd> </dd> 2343</dl> 2344<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickFunctionImage">MagickFunctionImage</a></h2> 2345 2346<p>MagickFunctionImage() applys an arithmetic, relational, or logical expression to an image. Use these operators to lighten or darken an image, to increase or decrease contrast in an image, or to produce the "negative" of an image.</p> 2347 2348<p>The format of the MagickFunctionImage method is:</p> 2349 2350<pre class="text"> 2351MagickBooleanType MagickFunctionImage(MagickWand *wand, 2352 const MagickFunction function,const size_t number_arguments, 2353 const double *arguments) 2354</pre> 2355 2356<p>A description of each parameter follows:</p> 2357 2358<dd> 2359</dd> 2360 2361<dd> </dd> 2362<dl class="dl-horizontal"> 2363<dt>wand</dt> 2364<dd>the magick wand. </dd> 2365 2366<dd> </dd> 2367<dt>function</dt> 2368<dd>the image function. </dd> 2369 2370<dd> </dd> 2371<dt>number_arguments</dt> 2372<dd>the number of function arguments. </dd> 2373 2374<dd> </dd> 2375<dt>arguments</dt> 2376<dd>the function arguments. </dd> 2377 2378<dd> </dd> 2379</dl> 2380<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickFxImage">MagickFxImage</a></h2> 2381 2382<p>MagickFxImage() evaluate expression for each pixel in the image.</p> 2383 2384<p>The format of the MagickFxImage method is:</p> 2385 2386<pre class="text"> 2387MagickWand *MagickFxImage(MagickWand *wand,const char *expression) 2388</pre> 2389 2390<p>A description of each parameter follows:</p> 2391 2392<dd> 2393</dd> 2394 2395<dd> </dd> 2396<dl class="dl-horizontal"> 2397<dt>wand</dt> 2398<dd>the magick wand. </dd> 2399 2400<dd> </dd> 2401<dt>expression</dt> 2402<dd>the expression. </dd> 2403 2404<dd> </dd> 2405</dl> 2406<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGammaImage">MagickGammaImage</a></h2> 2407 2408<p>MagickGammaImage() gamma-corrects an image. The same image viewed on different devices will have perceptual differences in the way the image's intensities are represented on the screen. Specify individual gamma levels for the red, green, and blue channels, or adjust all three with the gamma parameter. Values typically range from 0.8 to 2.3.</p> 2409 2410<p>You can also reduce the influence of a particular channel with a gamma value of 0.</p> 2411 2412<p>The format of the MagickGammaImage method is:</p> 2413 2414<pre class="text"> 2415MagickBooleanType MagickGammaImage(MagickWand *wand,const double gamma) 2416</pre> 2417 2418<p>A description of each parameter follows:</p> 2419 2420<dd> 2421</dd> 2422 2423<dd> </dd> 2424<dl class="dl-horizontal"> 2425<dt>wand</dt> 2426<dd>the magick wand. </dd> 2427 2428<dd> </dd> 2429<dt>level</dt> 2430<dd>Define the level of gamma correction. </dd> 2431 2432<dd> </dd> 2433</dl> 2434<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGaussianBlurImage">MagickGaussianBlurImage</a></h2> 2435 2436<p>MagickGaussianBlurImage() blurs an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, the radius should be larger than sigma. Use a radius of 0 and MagickGaussianBlurImage() selects a suitable radius for you.</p> 2437 2438<p>The format of the MagickGaussianBlurImage method is:</p> 2439 2440<pre class="text"> 2441MagickBooleanType MagickGaussianBlurImage(MagickWand *wand, 2442 const double radius,const double sigma) 2443</pre> 2444 2445<p>A description of each parameter follows:</p> 2446 2447<dd> 2448</dd> 2449 2450<dd> </dd> 2451<dl class="dl-horizontal"> 2452<dt>wand</dt> 2453<dd>the magick wand. </dd> 2454 2455<dd> </dd> 2456<dt>radius</dt> 2457<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 2458 2459<dd> </dd> 2460<dt>sigma</dt> 2461<dd>the standard deviation of the Gaussian, in pixels. </dd> 2462 2463<dd> </dd> 2464</dl> 2465<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImage">MagickGetImage</a></h2> 2466 2467<p>MagickGetImage() gets the image at the current image index.</p> 2468 2469<p>The format of the MagickGetImage method is:</p> 2470 2471<pre class="text"> 2472MagickWand *MagickGetImage(MagickWand *wand) 2473</pre> 2474 2475<p>A description of each parameter follows:</p> 2476 2477<dd> 2478</dd> 2479 2480<dd> </dd> 2481<dl class="dl-horizontal"> 2482<dt>wand</dt> 2483<dd>the magick wand. </dd> 2484 2485<dd> </dd> 2486</dl> 2487<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageAlphaChannel">MagickGetImageAlphaChannel</a></h2> 2488 2489<p>MagickGetImageAlphaChannel() returns MagickFalse if the image alpha channel is not activated. That is, the image is RGB rather than RGBA or CMYK rather than CMYKA.</p> 2490 2491<p>The format of the MagickGetImageAlphaChannel method is:</p> 2492 2493<pre class="text"> 2494MagickBooleanType MagickGetImageAlphaChannel(MagickWand *wand) 2495</pre> 2496 2497<p>A description of each parameter follows:</p> 2498 2499<dd> 2500</dd> 2501 2502<dd> </dd> 2503<dl class="dl-horizontal"> 2504<dt>wand</dt> 2505<dd>the magick wand. </dd> 2506 2507<dd> </dd> 2508</dl> 2509<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageMask">MagickGetImageMask</a></h2> 2510 2511<p>MagickGetImageMask() gets the image clip mask at the current image index.</p> 2512 2513<p>The format of the MagickGetImageMask method is:</p> 2514 2515<pre class="text"> 2516MagickWand *MagickGetImageMask(MagickWand *wand) 2517</pre> 2518 2519<p>A description of each parameter follows:</p> 2520 2521<dd> 2522</dd> 2523 2524<dd> </dd> 2525<dl class="dl-horizontal"> 2526<dt>wand</dt> 2527<dd>the magick wand. </dd> 2528 2529<dd> </dd> 2530<dt>type</dt> 2531<dd>type of mask, ReadPixelMask or WritePixelMask. </dd> 2532 2533<dd> </dd> 2534</dl> 2535<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageBackgroundColor">MagickGetImageBackgroundColor</a></h2> 2536 2537<p>MagickGetImageBackgroundColor() returns the image background color.</p> 2538 2539<p>The format of the MagickGetImageBackgroundColor method is:</p> 2540 2541<pre class="text"> 2542MagickBooleanType MagickGetImageBackgroundColor(MagickWand *wand, 2543 PixelWand *background_color) 2544</pre> 2545 2546<p>A description of each parameter follows:</p> 2547 2548<dd> 2549</dd> 2550 2551<dd> </dd> 2552<dl class="dl-horizontal"> 2553<dt>wand</dt> 2554<dd>the magick wand. </dd> 2555 2556<dd> </dd> 2557<dt>background_color</dt> 2558<dd>Return the background color. </dd> 2559 2560<dd> </dd> 2561</dl> 2562<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageBlob">MagickGetImageBlob</a></h2> 2563 2564<p>MagickGetImageBlob() implements direct to memory image formats. It returns the image as a blob (a formatted "file" in memory) and its length, starting from the current position in the image sequence. Use MagickSetImageFormat() to set the format to write to the blob (GIF, JPEG, PNG, etc.).</p> 2565 2566<p>Utilize MagickResetIterator() to ensure the write is from the beginning of the image sequence.</p> 2567 2568<p>Use MagickRelinquishMemory() to free the blob when you are done with it.</p> 2569 2570<p>The format of the MagickGetImageBlob method is:</p> 2571 2572<pre class="text"> 2573unsigned char *MagickGetImageBlob(MagickWand *wand,size_t *length) 2574</pre> 2575 2576<p>A description of each parameter follows:</p> 2577 2578<dd> 2579</dd> 2580 2581<dd> </dd> 2582<dl class="dl-horizontal"> 2583<dt>wand</dt> 2584<dd>the magick wand. </dd> 2585 2586<dd> </dd> 2587<dt>length</dt> 2588<dd>the length of the blob. </dd> 2589 2590<dd> </dd> 2591</dl> 2592<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImagesBlob">MagickGetImagesBlob</a></h2> 2593 2594<p>MagickGetImagesBlob() implements direct to memory image formats. It returns the image sequence as a blob and its length. The format of the image determines the format of the returned blob (GIF, JPEG, PNG, etc.). To return a different image format, use MagickSetImageFormat().</p> 2595 2596<p>Note, some image formats do not permit multiple images to the same image stream (e.g. JPEG). in this instance, just the first image of the sequence is returned as a blob.</p> 2597 2598<p>The format of the MagickGetImagesBlob method is:</p> 2599 2600<pre class="text"> 2601unsigned char *MagickGetImagesBlob(MagickWand *wand,size_t *length) 2602</pre> 2603 2604<p>A description of each parameter follows:</p> 2605 2606<dd> 2607</dd> 2608 2609<dd> </dd> 2610<dl class="dl-horizontal"> 2611<dt>wand</dt> 2612<dd>the magick wand. </dd> 2613 2614<dd> </dd> 2615<dt>length</dt> 2616<dd>the length of the blob. </dd> 2617 2618<dd> </dd> 2619</dl> 2620<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageBluePrimary">MagickGetImageBluePrimary</a></h2> 2621 2622<p>MagickGetImageBluePrimary() returns the chromaticy blue primary point for the image.</p> 2623 2624<p>The format of the MagickGetImageBluePrimary method is:</p> 2625 2626<pre class="text"> 2627MagickBooleanType MagickGetImageBluePrimary(MagickWand *wand,double *x, 2628 double *y,double *z) 2629</pre> 2630 2631<p>A description of each parameter follows:</p> 2632 2633<dd> 2634</dd> 2635 2636<dd> </dd> 2637<dl class="dl-horizontal"> 2638<dt>wand</dt> 2639<dd>the magick wand. </dd> 2640 2641<dd> </dd> 2642<dt>x</dt> 2643<dd>the chromaticity blue primary x-point. </dd> 2644 2645<dd> </dd> 2646<dt>y</dt> 2647<dd>the chromaticity blue primary y-point. </dd> 2648 2649<dd> </dd> 2650<dt>z</dt> 2651<dd>the chromaticity blue primary z-point. </dd> 2652 2653<dd> </dd> 2654</dl> 2655<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageBorderColor">MagickGetImageBorderColor</a></h2> 2656 2657<p>MagickGetImageBorderColor() returns the image border color.</p> 2658 2659<p>The format of the MagickGetImageBorderColor method is:</p> 2660 2661<pre class="text"> 2662MagickBooleanType MagickGetImageBorderColor(MagickWand *wand, 2663 PixelWand *border_color) 2664</pre> 2665 2666<p>A description of each parameter follows:</p> 2667 2668<dd> 2669</dd> 2670 2671<dd> </dd> 2672<dl class="dl-horizontal"> 2673<dt>wand</dt> 2674<dd>the magick wand. </dd> 2675 2676<dd> </dd> 2677<dt>border_color</dt> 2678<dd>Return the border color. </dd> 2679 2680<dd> </dd> 2681</dl> 2682<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageFeatures">MagickGetImageFeatures</a></h2> 2683 2684<p>MagickGetImageFeatures() returns features for each channel in the image in each of four directions (horizontal, vertical, left and right diagonals) for the specified distance. The features include the angular second moment, contrast, correlation, sum of squares: variance, inverse difference moment, sum average, sum varience, sum entropy, entropy, difference variance, difference entropy, information measures of correlation 1, information measures of correlation 2, and maximum correlation coefficient. You can access the red channel contrast, for example, like this:</p> 2685 2686<pre class="text"> 2687channel_features=MagickGetImageFeatures(wand,1); 2688contrast=channel_features[RedPixelChannel].contrast[0]; 2689</pre> 2690 2691<p>Use MagickRelinquishMemory() to free the statistics buffer.</p> 2692 2693<p>The format of the MagickGetImageFeatures method is:</p> 2694 2695<pre class="text"> 2696ChannelFeatures *MagickGetImageFeatures(MagickWand *wand, 2697 const size_t distance) 2698</pre> 2699 2700<p>A description of each parameter follows:</p> 2701 2702<dd> 2703</dd> 2704 2705<dd> </dd> 2706<dl class="dl-horizontal"> 2707<dt>wand</dt> 2708<dd>the magick wand. </dd> 2709 2710<dd> </dd> 2711<dt>distance</dt> 2712<dd>the distance. </dd> 2713 2714<dd> </dd> 2715</dl> 2716<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageKurtosis">MagickGetImageKurtosis</a></h2> 2717 2718<p>MagickGetImageKurtosis() gets the kurtosis and skewness of one or more image channels.</p> 2719 2720<p>The format of the MagickGetImageKurtosis method is:</p> 2721 2722<pre class="text"> 2723MagickBooleanType MagickGetImageKurtosis(MagickWand *wand, 2724 double *kurtosis,double *skewness) 2725</pre> 2726 2727<p>A description of each parameter follows:</p> 2728 2729<dd> 2730</dd> 2731 2732<dd> </dd> 2733<dl class="dl-horizontal"> 2734<dt>wand</dt> 2735<dd>the magick wand. </dd> 2736 2737<dd> </dd> 2738<dt>kurtosis</dt> 2739<dd> The kurtosis for the specified channel(s). </dd> 2740 2741<dd> </dd> 2742<dt>skewness</dt> 2743<dd> The skewness for the specified channel(s). </dd> 2744 2745<dd> </dd> 2746</dl> 2747<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageMean">MagickGetImageMean</a></h2> 2748 2749<p>MagickGetImageMean() gets the mean and standard deviation of one or more image channels.</p> 2750 2751<p>The format of the MagickGetImageMean method is:</p> 2752 2753<pre class="text"> 2754MagickBooleanType MagickGetImageMean(MagickWand *wand,double *mean, 2755 double *standard_deviation) 2756</pre> 2757 2758<p>A description of each parameter follows:</p> 2759 2760<dd> 2761</dd> 2762 2763<dd> </dd> 2764<dl class="dl-horizontal"> 2765<dt>wand</dt> 2766<dd>the magick wand. </dd> 2767 2768<dd> </dd> 2769<dt>channel</dt> 2770<dd>the image channel(s). </dd> 2771 2772<dd> </dd> 2773<dt>mean</dt> 2774<dd> The mean pixel value for the specified channel(s). </dd> 2775 2776<dd> </dd> 2777<dt>standard_deviation</dt> 2778<dd> The standard deviation for the specified channel(s). </dd> 2779 2780<dd> </dd> 2781</dl> 2782<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageRange">MagickGetImageRange</a></h2> 2783 2784<p>MagickGetImageRange() gets the range for one or more image channels.</p> 2785 2786<p>The format of the MagickGetImageRange method is:</p> 2787 2788<pre class="text"> 2789MagickBooleanType MagickGetImageRange(MagickWand *wand,double *minima, 2790 double *maxima) 2791</pre> 2792 2793<p>A description of each parameter follows:</p> 2794 2795<dd> 2796</dd> 2797 2798<dd> </dd> 2799<dl class="dl-horizontal"> 2800<dt>wand</dt> 2801<dd>the magick wand. </dd> 2802 2803<dd> </dd> 2804<dt>minima</dt> 2805<dd> The minimum pixel value for the specified channel(s). </dd> 2806 2807<dd> </dd> 2808<dt>maxima</dt> 2809<dd> The maximum pixel value for the specified channel(s). </dd> 2810 2811<dd> </dd> 2812</dl> 2813<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageStatistics">MagickGetImageStatistics</a></h2> 2814 2815<p>MagickGetImageStatistics() returns statistics for each channel in the image. The statistics include the channel depth, its minima and maxima, the mean, the standard deviation, the kurtosis and the skewness. You can access the red channel mean, for example, like this:</p> 2816 2817<pre class="text"> 2818channel_statistics=MagickGetImageStatistics(wand); 2819red_mean=channel_statistics[RedPixelChannel].mean; 2820</pre> 2821 2822<p>Use MagickRelinquishMemory() to free the statistics buffer.</p> 2823 2824<p>The format of the MagickGetImageStatistics method is:</p> 2825 2826<pre class="text"> 2827ChannelStatistics *MagickGetImageStatistics(MagickWand *wand) 2828</pre> 2829 2830<p>A description of each parameter follows:</p> 2831 2832<dd> 2833</dd> 2834 2835<dd> </dd> 2836<dl class="dl-horizontal"> 2837<dt>wand</dt> 2838<dd>the magick wand. </dd> 2839 2840<dd> </dd> 2841</dl> 2842<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageColormapColor">MagickGetImageColormapColor</a></h2> 2843 2844<p>MagickGetImageColormapColor() returns the color of the specified colormap index.</p> 2845 2846<p>The format of the MagickGetImageColormapColor method is:</p> 2847 2848<pre class="text"> 2849MagickBooleanType MagickGetImageColormapColor(MagickWand *wand, 2850 const size_t index,PixelWand *color) 2851</pre> 2852 2853<p>A description of each parameter follows:</p> 2854 2855<dd> 2856</dd> 2857 2858<dd> </dd> 2859<dl class="dl-horizontal"> 2860<dt>wand</dt> 2861<dd>the magick wand. </dd> 2862 2863<dd> </dd> 2864<dt>index</dt> 2865<dd>the offset into the image colormap. </dd> 2866 2867<dd> </dd> 2868<dt>color</dt> 2869<dd>Return the colormap color in this wand. </dd> 2870 2871<dd> </dd> 2872</dl> 2873<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageColors">MagickGetImageColors</a></h2> 2874 2875<p>MagickGetImageColors() gets the number of unique colors in the image.</p> 2876 2877<p>The format of the MagickGetImageColors method is:</p> 2878 2879<pre class="text"> 2880size_t MagickGetImageColors(MagickWand *wand) 2881</pre> 2882 2883<p>A description of each parameter follows:</p> 2884 2885<dd> 2886</dd> 2887 2888<dd> </dd> 2889<dl class="dl-horizontal"> 2890<dt>wand</dt> 2891<dd>the magick wand. </dd> 2892 2893<dd> </dd> 2894</dl> 2895<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageColorspace">MagickGetImageColorspace</a></h2> 2896 2897<p>MagickGetImageColorspace() gets the image colorspace.</p> 2898 2899<p>The format of the MagickGetImageColorspace method is:</p> 2900 2901<pre class="text"> 2902ColorspaceType MagickGetImageColorspace(MagickWand *wand) 2903</pre> 2904 2905<p>A description of each parameter follows:</p> 2906 2907<dd> 2908</dd> 2909 2910<dd> </dd> 2911<dl class="dl-horizontal"> 2912<dt>wand</dt> 2913<dd>the magick wand. </dd> 2914 2915<dd> </dd> 2916</dl> 2917<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageCompose">MagickGetImageCompose</a></h2> 2918 2919<p>MagickGetImageCompose() returns the composite operator associated with the image.</p> 2920 2921<p>The format of the MagickGetImageCompose method is:</p> 2922 2923<pre class="text"> 2924CompositeOperator MagickGetImageCompose(MagickWand *wand) 2925</pre> 2926 2927<p>A description of each parameter follows:</p> 2928 2929<dd> 2930</dd> 2931 2932<dd> </dd> 2933<dl class="dl-horizontal"> 2934<dt>wand</dt> 2935<dd>the magick wand. </dd> 2936 2937<dd> </dd> 2938</dl> 2939<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageCompression">MagickGetImageCompression</a></h2> 2940 2941<p>MagickGetImageCompression() gets the image compression.</p> 2942 2943<p>The format of the MagickGetImageCompression method is:</p> 2944 2945<pre class="text"> 2946CompressionType MagickGetImageCompression(MagickWand *wand) 2947</pre> 2948 2949<p>A description of each parameter follows:</p> 2950 2951<dd> 2952</dd> 2953 2954<dd> </dd> 2955<dl class="dl-horizontal"> 2956<dt>wand</dt> 2957<dd>the magick wand. </dd> 2958 2959<dd> </dd> 2960</dl> 2961<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageCompressionQuality">MagickGetImageCompressionQuality</a></h2> 2962 2963<p>MagickGetImageCompressionQuality() gets the image compression quality.</p> 2964 2965<p>The format of the MagickGetImageCompressionQuality method is:</p> 2966 2967<pre class="text"> 2968size_t MagickGetImageCompressionQuality(MagickWand *wand) 2969</pre> 2970 2971<p>A description of each parameter follows:</p> 2972 2973<dd> 2974</dd> 2975 2976<dd> </dd> 2977<dl class="dl-horizontal"> 2978<dt>wand</dt> 2979<dd>the magick wand. </dd> 2980 2981<dd> </dd> 2982</dl> 2983<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageDelay">MagickGetImageDelay</a></h2> 2984 2985<p>MagickGetImageDelay() gets the image delay.</p> 2986 2987<p>The format of the MagickGetImageDelay method is:</p> 2988 2989<pre class="text"> 2990size_t MagickGetImageDelay(MagickWand *wand) 2991</pre> 2992 2993<p>A description of each parameter follows:</p> 2994 2995<dd> 2996</dd> 2997 2998<dd> </dd> 2999<dl class="dl-horizontal"> 3000<dt>wand</dt> 3001<dd>the magick wand. </dd> 3002 3003<dd> </dd> 3004</dl> 3005<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageDepth">MagickGetImageDepth</a></h2> 3006 3007<p>MagickGetImageDepth() gets the image depth.</p> 3008 3009<p>The format of the MagickGetImageDepth method is:</p> 3010 3011<pre class="text"> 3012size_t MagickGetImageDepth(MagickWand *wand) 3013</pre> 3014 3015<p>A description of each parameter follows:</p> 3016 3017<dd> 3018</dd> 3019 3020<dd> </dd> 3021<dl class="dl-horizontal"> 3022<dt>wand</dt> 3023<dd>the magick wand. </dd> 3024 3025<dd> </dd> 3026</dl> 3027<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageDispose">MagickGetImageDispose</a></h2> 3028 3029<p>MagickGetImageDispose() gets the image disposal method.</p> 3030 3031<p>The format of the MagickGetImageDispose method is:</p> 3032 3033<pre class="text"> 3034DisposeType MagickGetImageDispose(MagickWand *wand) 3035</pre> 3036 3037<p>A description of each parameter follows:</p> 3038 3039<dd> 3040</dd> 3041 3042<dd> </dd> 3043<dl class="dl-horizontal"> 3044<dt>wand</dt> 3045<dd>the magick wand. </dd> 3046 3047<dd> </dd> 3048</dl> 3049<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageDistortion">MagickGetImageDistortion</a></h2> 3050 3051<p>MagickGetImageDistortion() compares an image to a reconstructed image and returns the specified distortion metric.</p> 3052 3053<p>The format of the MagickGetImageDistortion method is:</p> 3054 3055<pre class="text"> 3056MagickBooleanType MagickGetImageDistortion(MagickWand *wand, 3057 const MagickWand *reference,const MetricType metric, 3058 double *distortion) 3059</pre> 3060 3061<p>A description of each parameter follows:</p> 3062 3063<dd> 3064</dd> 3065 3066<dd> </dd> 3067<dl class="dl-horizontal"> 3068<dt>wand</dt> 3069<dd>the magick wand. </dd> 3070 3071<dd> </dd> 3072<dt>reference</dt> 3073<dd>the reference wand. </dd> 3074 3075<dd> </dd> 3076<dt>metric</dt> 3077<dd>the metric. </dd> 3078 3079<dd> </dd> 3080<dt>distortion</dt> 3081<dd>the computed distortion between the images. </dd> 3082 3083<dd> </dd> 3084</dl> 3085<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageDistortions">MagickGetImageDistortions</a></h2> 3086 3087<p>MagickGetImageDistortions() compares one or more pixel channels of an image to a reconstructed image and returns the specified distortion metrics.</p> 3088 3089<p>Use MagickRelinquishMemory() to free the metrics when you are done with them.</p> 3090 3091<p>The format of the MagickGetImageDistortion method is:</p> 3092 3093<pre class="text"> 3094double *MagickGetImageDistortion(MagickWand *wand, 3095 const MagickWand *reference,const MetricType metric) 3096</pre> 3097 3098<p>A description of each parameter follows:</p> 3099 3100<dd> 3101</dd> 3102 3103<dd> </dd> 3104<dl class="dl-horizontal"> 3105<dt>wand</dt> 3106<dd>the magick wand. </dd> 3107 3108<dd> </dd> 3109<dt>reference</dt> 3110<dd>the reference wand. </dd> 3111 3112<dd> </dd> 3113<dt>metric</dt> 3114<dd>the metric. </dd> 3115 3116<dd> </dd> 3117</dl> 3118<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageEndian">MagickGetImageEndian</a></h2> 3119 3120<p>MagickGetImageEndian() gets the image endian.</p> 3121 3122<p>The format of the MagickGetImageEndian method is:</p> 3123 3124<pre class="text"> 3125EndianType MagickGetImageEndian(MagickWand *wand) 3126</pre> 3127 3128<p>A description of each parameter follows:</p> 3129 3130<dd> 3131</dd> 3132 3133<dd> </dd> 3134<dl class="dl-horizontal"> 3135<dt>wand</dt> 3136<dd>the magick wand. </dd> 3137 3138<dd> </dd> 3139</dl> 3140<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageFilename">MagickGetImageFilename</a></h2> 3141 3142<p>MagickGetImageFilename() returns the filename of a particular image in a sequence.</p> 3143 3144<p>The format of the MagickGetImageFilename method is:</p> 3145 3146<pre class="text"> 3147char *MagickGetImageFilename(MagickWand *wand) 3148</pre> 3149 3150<p>A description of each parameter follows:</p> 3151 3152<dd> 3153</dd> 3154 3155<dd> </dd> 3156<dl class="dl-horizontal"> 3157<dt>wand</dt> 3158<dd>the magick wand. </dd> 3159 3160<dd> </dd> 3161</dl> 3162<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageFormat">MagickGetImageFormat</a></h2> 3163 3164<p>MagickGetImageFormat() returns the format of a particular image in a sequence.</p> 3165 3166<p>The format of the MagickGetImageFormat method is:</p> 3167 3168<pre class="text"> 3169char *MagickGetImageFormat(MagickWand *wand) 3170</pre> 3171 3172<p>A description of each parameter follows:</p> 3173 3174<dd> 3175</dd> 3176 3177<dd> </dd> 3178<dl class="dl-horizontal"> 3179<dt>wand</dt> 3180<dd>the magick wand. </dd> 3181 3182<dd> </dd> 3183</dl> 3184<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageFuzz">MagickGetImageFuzz</a></h2> 3185 3186<p>MagickGetImageFuzz() gets the image fuzz.</p> 3187 3188<p>The format of the MagickGetImageFuzz method is:</p> 3189 3190<pre class="text"> 3191double MagickGetImageFuzz(MagickWand *wand) 3192</pre> 3193 3194<p>A description of each parameter follows:</p> 3195 3196<dd> 3197</dd> 3198 3199<dd> </dd> 3200<dl class="dl-horizontal"> 3201<dt>wand</dt> 3202<dd>the magick wand. </dd> 3203 3204<dd> </dd> 3205</dl> 3206<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageGamma">MagickGetImageGamma</a></h2> 3207 3208<p>MagickGetImageGamma() gets the image gamma.</p> 3209 3210<p>The format of the MagickGetImageGamma method is:</p> 3211 3212<pre class="text"> 3213double MagickGetImageGamma(MagickWand *wand) 3214</pre> 3215 3216<p>A description of each parameter follows:</p> 3217 3218<dd> 3219</dd> 3220 3221<dd> </dd> 3222<dl class="dl-horizontal"> 3223<dt>wand</dt> 3224<dd>the magick wand. </dd> 3225 3226<dd> </dd> 3227</dl> 3228<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageGravity">MagickGetImageGravity</a></h2> 3229 3230<p>MagickGetImageGravity() gets the image gravity.</p> 3231 3232<p>The format of the MagickGetImageGravity method is:</p> 3233 3234<pre class="text"> 3235GravityType MagickGetImageGravity(MagickWand *wand) 3236</pre> 3237 3238<p>A description of each parameter follows:</p> 3239 3240<dd> 3241</dd> 3242 3243<dd> </dd> 3244<dl class="dl-horizontal"> 3245<dt>wand</dt> 3246<dd>the magick wand. </dd> 3247 3248<dd> </dd> 3249</dl> 3250<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageGreenPrimary">MagickGetImageGreenPrimary</a></h2> 3251 3252<p>MagickGetImageGreenPrimary() returns the chromaticy green primary point.</p> 3253 3254<p>The format of the MagickGetImageGreenPrimary method is:</p> 3255 3256<pre class="text"> 3257MagickBooleanType MagickGetImageGreenPrimary(MagickWand *wand,double *x, 3258 double *y,double *z) 3259</pre> 3260 3261<p>A description of each parameter follows:</p> 3262 3263<dd> 3264</dd> 3265 3266<dd> </dd> 3267<dl class="dl-horizontal"> 3268<dt>wand</dt> 3269<dd>the magick wand. </dd> 3270 3271<dd> </dd> 3272<dt>x</dt> 3273<dd>the chromaticity green primary x-point. </dd> 3274 3275<dd> </dd> 3276<dt>y</dt> 3277<dd>the chromaticity green primary y-point. </dd> 3278 3279<dd> </dd> 3280<dt>z</dt> 3281<dd>the chromaticity green primary z-point. </dd> 3282 3283<dd> </dd> 3284</dl> 3285<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageHeight">MagickGetImageHeight</a></h2> 3286 3287<p>MagickGetImageHeight() returns the image height.</p> 3288 3289<p>The format of the MagickGetImageHeight method is:</p> 3290 3291<pre class="text"> 3292size_t MagickGetImageHeight(MagickWand *wand) 3293</pre> 3294 3295<p>A description of each parameter follows:</p> 3296 3297<dd> 3298</dd> 3299 3300<dd> </dd> 3301<dl class="dl-horizontal"> 3302<dt>wand</dt> 3303<dd>the magick wand. </dd> 3304 3305<dd> </dd> 3306</dl> 3307<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageHistogram">MagickGetImageHistogram</a></h2> 3308 3309<p>MagickGetImageHistogram() returns the image histogram as an array of PixelWand wands.</p> 3310 3311<p>The format of the MagickGetImageHistogram method is:</p> 3312 3313<pre class="text"> 3314PixelWand **MagickGetImageHistogram(MagickWand *wand, 3315 size_t *number_colors) 3316</pre> 3317 3318<p>A description of each parameter follows:</p> 3319 3320<dd> 3321</dd> 3322 3323<dd> </dd> 3324<dl class="dl-horizontal"> 3325<dt>wand</dt> 3326<dd>the magick wand. </dd> 3327 3328<dd> </dd> 3329<dt>number_colors</dt> 3330<dd>the number of unique colors in the image and the number of pixel wands returned. </dd> 3331 3332<dd> </dd> 3333</dl> 3334<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageInterlaceScheme">MagickGetImageInterlaceScheme</a></h2> 3335 3336<p>MagickGetImageInterlaceScheme() gets the image interlace scheme.</p> 3337 3338<p>The format of the MagickGetImageInterlaceScheme method is:</p> 3339 3340<pre class="text"> 3341InterlaceType MagickGetImageInterlaceScheme(MagickWand *wand) 3342</pre> 3343 3344<p>A description of each parameter follows:</p> 3345 3346<dd> 3347</dd> 3348 3349<dd> </dd> 3350<dl class="dl-horizontal"> 3351<dt>wand</dt> 3352<dd>the magick wand. </dd> 3353 3354<dd> </dd> 3355</dl> 3356<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageInterpolateMethod">MagickGetImageInterpolateMethod</a></h2> 3357 3358<p>MagickGetImageInterpolateMethod() returns the interpolation method for the sepcified image.</p> 3359 3360<p>The format of the MagickGetImageInterpolateMethod method is:</p> 3361 3362<pre class="text"> 3363PixelInterpolateMethod MagickGetImageInterpolateMethod(MagickWand *wand) 3364</pre> 3365 3366<p>A description of each parameter follows:</p> 3367 3368<dd> 3369</dd> 3370 3371<dd> </dd> 3372<dl class="dl-horizontal"> 3373<dt>wand</dt> 3374<dd>the magick wand. </dd> 3375 3376<dd> </dd> 3377</dl> 3378<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageIterations">MagickGetImageIterations</a></h2> 3379 3380<p>MagickGetImageIterations() gets the image iterations.</p> 3381 3382<p>The format of the MagickGetImageIterations method is:</p> 3383 3384<pre class="text"> 3385size_t MagickGetImageIterations(MagickWand *wand) 3386</pre> 3387 3388<p>A description of each parameter follows:</p> 3389 3390<dd> 3391</dd> 3392 3393<dd> </dd> 3394<dl class="dl-horizontal"> 3395<dt>wand</dt> 3396<dd>the magick wand. </dd> 3397 3398<dd> </dd> 3399</dl> 3400<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageLength">MagickGetImageLength</a></h2> 3401 3402<p>MagickGetImageLength() returns the image length in bytes.</p> 3403 3404<p>The format of the MagickGetImageLength method is:</p> 3405 3406<pre class="text"> 3407MagickBooleanType MagickGetImageLength(MagickWand *wand, 3408 MagickSizeType *length) 3409</pre> 3410 3411<p>A description of each parameter follows:</p> 3412 3413<dd> 3414</dd> 3415 3416<dd> </dd> 3417<dl class="dl-horizontal"> 3418<dt>wand</dt> 3419<dd>the magick wand. </dd> 3420 3421<dd> </dd> 3422<dt>length</dt> 3423<dd>the image length in bytes. </dd> 3424 3425<dd> </dd> 3426</dl> 3427<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageMatteColor">MagickGetImageMatteColor</a></h2> 3428 3429<p>MagickGetImageMatteColor() returns the image matte color.</p> 3430 3431<p>The format of the MagickGetImageMatteColor method is:</p> 3432 3433<pre class="text"> 3434MagickBooleanType MagickGetImageMatteColor(MagickWand *wand, 3435 PixelWand *matte_color) 3436</pre> 3437 3438<p>A description of each parameter follows:</p> 3439 3440<dd> 3441</dd> 3442 3443<dd> </dd> 3444<dl class="dl-horizontal"> 3445<dt>wand</dt> 3446<dd>the magick wand. </dd> 3447 3448<dd> </dd> 3449<dt>matte_color</dt> 3450<dd>return the alpha color. </dd> 3451 3452<dd> </dd> 3453</dl> 3454<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageOrientation">MagickGetImageOrientation</a></h2> 3455 3456<p>MagickGetImageOrientation() returns the image orientation.</p> 3457 3458<p>The format of the MagickGetImageOrientation method is:</p> 3459 3460<pre class="text"> 3461OrientationType MagickGetImageOrientation(MagickWand *wand) 3462</pre> 3463 3464<p>A description of each parameter follows:</p> 3465 3466<dd> 3467</dd> 3468 3469<dd> </dd> 3470<dl class="dl-horizontal"> 3471<dt>wand</dt> 3472<dd>the magick wand. </dd> 3473 3474<dd> </dd> 3475</dl> 3476<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImagePage">MagickGetImagePage</a></h2> 3477 3478<p>MagickGetImagePage() returns the page geometry associated with the image.</p> 3479 3480<p>The format of the MagickGetImagePage method is:</p> 3481 3482<pre class="text"> 3483MagickBooleanType MagickGetImagePage(MagickWand *wand, 3484 size_t *width,size_t *height,ssize_t *x,ssize_t *y) 3485</pre> 3486 3487<p>A description of each parameter follows:</p> 3488 3489<dd> 3490</dd> 3491 3492<dd> </dd> 3493<dl class="dl-horizontal"> 3494<dt>wand</dt> 3495<dd>the magick wand. </dd> 3496 3497<dd> </dd> 3498<dt>width</dt> 3499<dd>the page width. </dd> 3500 3501<dd> </dd> 3502<dt>height</dt> 3503<dd>the page height. </dd> 3504 3505<dd> </dd> 3506<dt>x</dt> 3507<dd>the page x-offset. </dd> 3508 3509<dd> </dd> 3510<dt>y</dt> 3511<dd>the page y-offset. </dd> 3512 3513<dd> </dd> 3514</dl> 3515<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImagePixelColor">MagickGetImagePixelColor</a></h2> 3516 3517<p>MagickGetImagePixelColor() gets the color of the specified pixel.</p> 3518 3519<p>The format of the MagickGetImagePixelColor method is:</p> 3520 3521<pre class="text"> 3522MagickBooleanType MagickGetImagePixelColor(MagickWand *wand, 3523 const ssize_t x,const ssize_t y,PixelWand *color) 3524</pre> 3525 3526<p>A description of each parameter follows:</p> 3527 3528<dd> 3529</dd> 3530 3531<dd> </dd> 3532<dl class="dl-horizontal"> 3533<dt>wand</dt> 3534<dd>the magick wand. </dd> 3535 3536<dd> </dd> 3537<dt>x,y</dt> 3538<dd>the pixel offset into the image. </dd> 3539 3540<dd> </dd> 3541<dt>color</dt> 3542<dd>Return the colormap color in this wand. </dd> 3543 3544<dd> </dd> 3545</dl> 3546<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageRedPrimary">MagickGetImageRedPrimary</a></h2> 3547 3548<p>MagickGetImageRedPrimary() returns the chromaticy red primary point.</p> 3549 3550<p>The format of the MagickGetImageRedPrimary method is:</p> 3551 3552<pre class="text"> 3553MagickBooleanType MagickGetImageRedPrimary(MagickWand *wand,double *x, 3554 double *y, double *z) 3555</pre> 3556 3557<p>A description of each parameter follows:</p> 3558 3559<dd> 3560</dd> 3561 3562<dd> </dd> 3563<dl class="dl-horizontal"> 3564<dt>wand</dt> 3565<dd>the magick wand. </dd> 3566 3567<dd> </dd> 3568<dt>x</dt> 3569<dd>the chromaticity red primary x-point. </dd> 3570 3571<dd> </dd> 3572<dt>y</dt> 3573<dd>the chromaticity red primary y-point. </dd> 3574 3575<dd> </dd> 3576<dt>z</dt> 3577<dd>the chromaticity red primary z-point. </dd> 3578 3579<dd> </dd> 3580</dl> 3581<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageRegion">MagickGetImageRegion</a></h2> 3582 3583<p>MagickGetImageRegion() extracts a region of the image and returns it as a a new wand.</p> 3584 3585<p>The format of the MagickGetImageRegion method is:</p> 3586 3587<pre class="text"> 3588MagickWand *MagickGetImageRegion(MagickWand *wand, 3589 const size_t width,const size_t height,const ssize_t x, 3590 const ssize_t y) 3591</pre> 3592 3593<p>A description of each parameter follows:</p> 3594 3595<dd> 3596</dd> 3597 3598<dd> </dd> 3599<dl class="dl-horizontal"> 3600<dt>wand</dt> 3601<dd>the magick wand. </dd> 3602 3603<dd> </dd> 3604<dt>width</dt> 3605<dd>the region width. </dd> 3606 3607<dd> </dd> 3608<dt>height</dt> 3609<dd>the region height. </dd> 3610 3611<dd> </dd> 3612<dt>x</dt> 3613<dd>the region x offset. </dd> 3614 3615<dd> </dd> 3616<dt>y</dt> 3617<dd>the region y offset. </dd> 3618 3619<dd> </dd> 3620</dl> 3621<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageRenderingIntent">MagickGetImageRenderingIntent</a></h2> 3622 3623<p>MagickGetImageRenderingIntent() gets the image rendering intent.</p> 3624 3625<p>The format of the MagickGetImageRenderingIntent method is:</p> 3626 3627<pre class="text"> 3628RenderingIntent MagickGetImageRenderingIntent(MagickWand *wand) 3629</pre> 3630 3631<p>A description of each parameter follows:</p> 3632 3633<dd> 3634</dd> 3635 3636<dd> </dd> 3637<dl class="dl-horizontal"> 3638<dt>wand</dt> 3639<dd>the magick wand. </dd> 3640 3641<dd> </dd> 3642</dl> 3643<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageResolution">MagickGetImageResolution</a></h2> 3644 3645<p>MagickGetImageResolution() gets the image X and Y resolution.</p> 3646 3647<p>The format of the MagickGetImageResolution method is:</p> 3648 3649<pre class="text"> 3650MagickBooleanType MagickGetImageResolution(MagickWand *wand,double *x, 3651 double *y) 3652</pre> 3653 3654<p>A description of each parameter follows:</p> 3655 3656<dd> 3657</dd> 3658 3659<dd> </dd> 3660<dl class="dl-horizontal"> 3661<dt>wand</dt> 3662<dd>the magick wand. </dd> 3663 3664<dd> </dd> 3665<dt>x</dt> 3666<dd>the image x-resolution. </dd> 3667 3668<dd> </dd> 3669<dt>y</dt> 3670<dd>the image y-resolution. </dd> 3671 3672<dd> </dd> 3673</dl> 3674<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageScene">MagickGetImageScene</a></h2> 3675 3676<p>MagickGetImageScene() gets the image scene.</p> 3677 3678<p>The format of the MagickGetImageScene method is:</p> 3679 3680<pre class="text"> 3681size_t MagickGetImageScene(MagickWand *wand) 3682</pre> 3683 3684<p>A description of each parameter follows:</p> 3685 3686<dd> 3687</dd> 3688 3689<dd> </dd> 3690<dl class="dl-horizontal"> 3691<dt>wand</dt> 3692<dd>the magick wand. </dd> 3693 3694<dd> </dd> 3695</dl> 3696<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageSignature">MagickGetImageSignature</a></h2> 3697 3698<p>MagickGetImageSignature() generates an SHA-256 message digest for the image pixel stream.</p> 3699 3700<p>The format of the MagickGetImageSignature method is:</p> 3701 3702<pre class="text"> 3703char *MagickGetImageSignature(MagickWand *wand) 3704</pre> 3705 3706<p>A description of each parameter follows:</p> 3707 3708<dd> 3709</dd> 3710 3711<dd> </dd> 3712<dl class="dl-horizontal"> 3713<dt>wand</dt> 3714<dd>the magick wand. </dd> 3715 3716<dd> </dd> 3717</dl> 3718<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageTicksPerSecond">MagickGetImageTicksPerSecond</a></h2> 3719 3720<p>MagickGetImageTicksPerSecond() gets the image ticks-per-second.</p> 3721 3722<p>The format of the MagickGetImageTicksPerSecond method is:</p> 3723 3724<pre class="text"> 3725size_t MagickGetImageTicksPerSecond(MagickWand *wand) 3726</pre> 3727 3728<p>A description of each parameter follows:</p> 3729 3730<dd> 3731</dd> 3732 3733<dd> </dd> 3734<dl class="dl-horizontal"> 3735<dt>wand</dt> 3736<dd>the magick wand. </dd> 3737 3738<dd> </dd> 3739</dl> 3740<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageType">MagickGetImageType</a></h2> 3741 3742<p>MagickGetImageType() gets the potential image type:</p> 3743 3744<p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte</p> 3745 3746<p>The format of the MagickGetImageType method is:</p> 3747 3748<pre class="text"> 3749ImageType MagickGetImageType(MagickWand *wand) 3750</pre> 3751 3752<p>A description of each parameter follows:</p> 3753 3754<dd> 3755</dd> 3756 3757<dd> </dd> 3758<dl class="dl-horizontal"> 3759<dt>wand</dt> 3760<dd>the magick wand. </dd> 3761 3762<dd> </dd> 3763</dl> 3764<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageUnits">MagickGetImageUnits</a></h2> 3765 3766<p>MagickGetImageUnits() gets the image units of resolution.</p> 3767 3768<p>The format of the MagickGetImageUnits method is:</p> 3769 3770<pre class="text"> 3771ResolutionType MagickGetImageUnits(MagickWand *wand) 3772</pre> 3773 3774<p>A description of each parameter follows:</p> 3775 3776<dd> 3777</dd> 3778 3779<dd> </dd> 3780<dl class="dl-horizontal"> 3781<dt>wand</dt> 3782<dd>the magick wand. </dd> 3783 3784<dd> </dd> 3785</dl> 3786<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageVirtualPixelMethod">MagickGetImageVirtualPixelMethod</a></h2> 3787 3788<p>MagickGetImageVirtualPixelMethod() returns the virtual pixel method for the sepcified image.</p> 3789 3790<p>The format of the MagickGetImageVirtualPixelMethod method is:</p> 3791 3792<pre class="text"> 3793VirtualPixelMethod MagickGetImageVirtualPixelMethod(MagickWand *wand) 3794</pre> 3795 3796<p>A description of each parameter follows:</p> 3797 3798<dd> 3799</dd> 3800 3801<dd> </dd> 3802<dl class="dl-horizontal"> 3803<dt>wand</dt> 3804<dd>the magick wand. </dd> 3805 3806<dd> </dd> 3807</dl> 3808<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageWhitePoint">MagickGetImageWhitePoint</a></h2> 3809 3810<p>MagickGetImageWhitePoint() returns the chromaticy white point.</p> 3811 3812<p>The format of the MagickGetImageWhitePoint method is:</p> 3813 3814<pre class="text"> 3815MagickBooleanType MagickGetImageWhitePoint(MagickWand *wand,double *x, 3816 double *y,double *z) 3817</pre> 3818 3819<p>A description of each parameter follows:</p> 3820 3821<dd> 3822</dd> 3823 3824<dd> </dd> 3825<dl class="dl-horizontal"> 3826<dt>wand</dt> 3827<dd>the magick wand. </dd> 3828 3829<dd> </dd> 3830<dt>x</dt> 3831<dd>the chromaticity white x-point. </dd> 3832 3833<dd> </dd> 3834<dt>y</dt> 3835<dd>the chromaticity white y-point. </dd> 3836 3837<dd> </dd> 3838<dt>z</dt> 3839<dd>the chromaticity white z-point. </dd> 3840 3841<dd> </dd> 3842</dl> 3843<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageWidth">MagickGetImageWidth</a></h2> 3844 3845<p>MagickGetImageWidth() returns the image width.</p> 3846 3847<p>The format of the MagickGetImageWidth method is:</p> 3848 3849<pre class="text"> 3850size_t MagickGetImageWidth(MagickWand *wand) 3851</pre> 3852 3853<p>A description of each parameter follows:</p> 3854 3855<dd> 3856</dd> 3857 3858<dd> </dd> 3859<dl class="dl-horizontal"> 3860<dt>wand</dt> 3861<dd>the magick wand. </dd> 3862 3863<dd> </dd> 3864</dl> 3865<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetNumberImages">MagickGetNumberImages</a></h2> 3866 3867<p>MagickGetNumberImages() returns the number of images associated with a magick wand.</p> 3868 3869<p>The format of the MagickGetNumberImages method is:</p> 3870 3871<pre class="text"> 3872size_t MagickGetNumberImages(MagickWand *wand) 3873</pre> 3874 3875<p>A description of each parameter follows:</p> 3876 3877<dd> 3878</dd> 3879 3880<dd> </dd> 3881<dl class="dl-horizontal"> 3882<dt>wand</dt> 3883<dd>the magick wand. </dd> 3884 3885<dd> </dd> 3886</dl> 3887<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickGetImageTotalInkDensity">MagickGetImageTotalInkDensity</a></h2> 3888 3889<p>MagickGetImageTotalInkDensity() gets the image total ink density.</p> 3890 3891<p>The format of the MagickGetImageTotalInkDensity method is:</p> 3892 3893<pre class="text"> 3894double MagickGetImageTotalInkDensity(MagickWand *wand) 3895</pre> 3896 3897<p>A description of each parameter follows:</p> 3898 3899<dd> 3900</dd> 3901 3902<dd> </dd> 3903<dl class="dl-horizontal"> 3904<dt>wand</dt> 3905<dd>the magick wand. </dd> 3906 3907<dd> </dd> 3908</dl> 3909<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickHaldClutImage">MagickHaldClutImage</a></h2> 3910 3911<p>MagickHaldClutImage() replaces colors in the image from a Hald color lookup table. A Hald color lookup table is a 3-dimensional color cube mapped to 2 dimensions. Create it with the HALD coder. You can apply any color transformation to the Hald image and then use this method to apply the transform to the image.</p> 3912 3913<p>The format of the MagickHaldClutImage method is:</p> 3914 3915<pre class="text"> 3916MagickBooleanType MagickHaldClutImage(MagickWand *wand, 3917 const MagickWand *hald_wand) 3918</pre> 3919 3920<p>A description of each parameter follows:</p> 3921 3922<dd> 3923</dd> 3924 3925<dd> </dd> 3926<dl class="dl-horizontal"> 3927<dt>wand</dt> 3928<dd>the magick wand. </dd> 3929 3930<dd> </dd> 3931<dt>hald_image</dt> 3932<dd>the hald CLUT image. </dd> 3933 3934<dd> </dd> 3935</dl> 3936<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickHasNextImage">MagickHasNextImage</a></h2> 3937 3938<p>MagickHasNextImage() returns MagickTrue if the wand has more images when traversing the list in the forward direction</p> 3939 3940<p>The format of the MagickHasNextImage method is:</p> 3941 3942<pre class="text"> 3943MagickBooleanType MagickHasNextImage(MagickWand *wand) 3944</pre> 3945 3946<p>A description of each parameter follows:</p> 3947 3948<dd> 3949</dd> 3950 3951<dd> </dd> 3952<dl class="dl-horizontal"> 3953<dt>wand</dt> 3954<dd>the magick wand. </dd> 3955 3956<dd> </dd> 3957</dl> 3958<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickHasPreviousImage">MagickHasPreviousImage</a></h2> 3959 3960<p>MagickHasPreviousImage() returns MagickTrue if the wand has more images when traversing the list in the reverse direction</p> 3961 3962<p>The format of the MagickHasPreviousImage method is:</p> 3963 3964<pre class="text"> 3965MagickBooleanType MagickHasPreviousImage(MagickWand *wand) 3966</pre> 3967 3968<p>A description of each parameter follows:</p> 3969 3970<dd> 3971</dd> 3972 3973<dd> </dd> 3974<dl class="dl-horizontal"> 3975<dt>wand</dt> 3976<dd>the magick wand. </dd> 3977 3978<dd> </dd> 3979</dl> 3980<h2><a href="../../api/MagickWand/magick-image_8c.html" id="Use_MagickHoughLineImage">Use MagickHoughLineImage</a></h2> 3981 3982<p>Use MagickHoughLineImage() in conjunction with any binary edge extracted image (we recommand Canny) to identify lines in the image. The algorithm accumulates counts for every white pixel for every possible orientation (for angles from 0 to 179 in 1 degree increments) and distance from the center of the image to the corner (in 1 px increments) and stores the counts in an accumulator matrix of angle vs distance. The size of the accumulator is 180x(diagonal/2). Next it searches this space for peaks in counts and converts the locations of the peaks to slope and intercept in the normal x,y input image space. Use the slope/intercepts to find the endpoints clipped to the bounds of the image. The lines are then drawn. The counts are a measure of the length of the lines.</p> 3983 3984<p>The format of the MagickHoughLineImage method is:</p> 3985 3986<pre class="text"> 3987MagickBooleanType MagickHoughLineImage(MagickWand *wand, 3988 const size_t width,const size_t height,const size_t threshold) 3989</pre> 3990 3991<p>A description of each parameter follows:</p> 3992 3993<dd> 3994</dd> 3995 3996<dd> </dd> 3997<dl class="dl-horizontal"> 3998<dt>wand</dt> 3999<dd>the magick wand. </dd> 4000 4001<dd> </dd> 4002<dt>width, height</dt> 4003<dd>find line pairs as local maxima in this neighborhood. </dd> 4004 4005<dd> </dd> 4006<dt>threshold</dt> 4007<dd>the line count threshold. </dd> 4008 4009<dd> </dd> 4010</dl> 4011<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickIdentifyImage">MagickIdentifyImage</a></h2> 4012 4013<p>MagickIdentifyImage() identifies an image by printing its attributes to the file. Attributes include the image width, height, size, and others.</p> 4014 4015<p>The format of the MagickIdentifyImage method is:</p> 4016 4017<pre class="text"> 4018const char *MagickIdentifyImage(MagickWand *wand) 4019</pre> 4020 4021<p>A description of each parameter follows:</p> 4022 4023<dd> 4024</dd> 4025 4026<dd> </dd> 4027<dl class="dl-horizontal"> 4028<dt>wand</dt> 4029<dd>the magick wand. </dd> 4030 4031<dd> </dd> 4032</dl> 4033<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickIdentifyImageType">MagickIdentifyImageType</a></h2> 4034 4035<p>MagickIdentifyImageType() gets the potential image type:</p> 4036 4037<p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte</p> 4038 4039<p>To ensure the image type matches its potential, use MagickSetImageType():</p> 4040 4041<pre class="text"> 4042 (void) MagickSetImageType(wand,MagickIdentifyImageType(wand)); 4043</pre> 4044 4045<p>The format of the MagickIdentifyImageType method is:</p> 4046 4047<pre class="text"> 4048ImageType MagickIdentifyImageType(MagickWand *wand) 4049</pre> 4050 4051<p>A description of each parameter follows:</p> 4052 4053<dd> 4054</dd> 4055 4056<dd> </dd> 4057<dl class="dl-horizontal"> 4058<dt>wand</dt> 4059<dd>the magick wand. </dd> 4060 4061<dd> </dd> 4062</dl> 4063<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickImplodeImage">MagickImplodeImage</a></h2> 4064 4065<p>MagickImplodeImage() creates a new image that is a copy of an existing one with the image pixels "implode" by the specified percentage. It allocates the memory necessary for the new Image structure and returns a pointer to the new image.</p> 4066 4067<p>The format of the MagickImplodeImage method is:</p> 4068 4069<pre class="text"> 4070MagickBooleanType MagickImplodeImage(MagickWand *wand, 4071 const double radius,const PixelInterpolateMethod method) 4072</pre> 4073 4074<p>A description of each parameter follows:</p> 4075 4076<dd> 4077</dd> 4078 4079<dd> </dd> 4080<dl class="dl-horizontal"> 4081<dt>wand</dt> 4082<dd>the magick wand. </dd> 4083 4084<dd> </dd> 4085<dt>amount</dt> 4086<dd>Define the extent of the implosion. </dd> 4087 4088<dd> </dd> 4089<dt>method</dt> 4090<dd>the pixel interpolation method. </dd> 4091 4092<dd> </dd> 4093</dl> 4094<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickImportImagePixels">MagickImportImagePixels</a></h2> 4095 4096<p>MagickImportImagePixels() accepts pixel datand stores it in the image at the location you specify. The method returns MagickTrue on success otherwise MagickFalse if an error is encountered. The pixel data can be either char, short int, int, ssize_t, float, or double in the order specified by map.</p> 4097 4098<p>Suppose your want to upload the first scanline of a 640x480 image from character data in red-green-blue order:</p> 4099 4100<pre class="text"> 4101MagickImportImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); 4102</pre> 4103 4104<p>The format of the MagickImportImagePixels method is:</p> 4105 4106<pre class="text"> 4107MagickBooleanType MagickImportImagePixels(MagickWand *wand, 4108 const ssize_t x,const ssize_t y,const size_t columns, 4109 const size_t rows,const char *map,const StorageType storage, 4110 const void *pixels) 4111</pre> 4112 4113<p>A description of each parameter follows:</p> 4114 4115<dd> 4116</dd> 4117 4118<dd> </dd> 4119<dl class="dl-horizontal"> 4120<dt>wand</dt> 4121<dd>the magick wand. </dd> 4122 4123<dd> </dd> 4124<dt>x, y, columns, rows</dt> 4125<dd> These values define the perimeter of a region of pixels you want to define. </dd> 4126 4127<dd> </dd> 4128<dt>map</dt> 4129<dd> This string reflects the expected ordering of the pixel array. It can be any combination or order of R = red, G = green, B = blue, A = alpha (0 is transparent), O = alpha (0 is opaque), C = cyan, Y = yellow, M = magenta, K = black, I = intensity (for grayscale), P = pad. </dd> 4130 4131<dd> </dd> 4132<dt>storage</dt> 4133<dd>Define the data type of the pixels. Float and double types are expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from these types: CharPixel, ShortPixel, IntegerPixel, LongPixel, FloatPixel, or DoublePixel. </dd> 4134 4135<dd> </dd> 4136<dt>pixels</dt> 4137<dd>This array of values contain the pixel components as defined by map and type. You must preallocate this array where the expected length varies depending on the values of width, height, map, and type. </dd> 4138 4139<dd> </dd> 4140</dl> 4141<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickInterpolativeResizeImage">MagickInterpolativeResizeImage</a></h2> 4142 4143<p>MagickInterpolativeResizeImage() resize image using a interpolative method.</p> 4144 4145<p>MagickBooleanType MagickInterpolativeResizeImage(MagickWand *wand, const size_t columns,const size_t rows, const PixelInterpolateMethod method)</p> 4146 4147<p>A description of each parameter follows:</p> 4148 4149<dd> 4150</dd> 4151 4152<dd> </dd> 4153<dl class="dl-horizontal"> 4154<dt>wand</dt> 4155<dd>the magick wand. </dd> 4156 4157<dd> </dd> 4158<dt>columns</dt> 4159<dd>the number of columns in the scaled image. </dd> 4160 4161<dd> </dd> 4162<dt>rows</dt> 4163<dd>the number of rows in the scaled image. </dd> 4164 4165<dd> </dd> 4166<dt>interpolate</dt> 4167<dd>the pixel interpolation method. </dd> 4168 4169<dd> </dd> 4170</dl> 4171<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickInverseFourierTransformImage">MagickInverseFourierTransformImage</a></h2> 4172 4173<p>MagickInverseFourierTransformImage() implements the inverse discrete Fourier transform (DFT) of the image either as a magnitude / phase or real / imaginary image pair.</p> 4174 4175<p>The format of the MagickInverseFourierTransformImage method is:</p> 4176 4177<pre class="text"> 4178MagickBooleanType MagickInverseFourierTransformImage( 4179 MagickWand *magnitude_wand,MagickWand *phase_wand, 4180 const MagickBooleanType magnitude) 4181</pre> 4182 4183<p>A description of each parameter follows:</p> 4184 4185<dd> 4186</dd> 4187 4188<dd> </dd> 4189<dl class="dl-horizontal"> 4190<dt>magnitude_wand</dt> 4191<dd>the magnitude or real wand. </dd> 4192 4193<dd> </dd> 4194<dt>phase_wand</dt> 4195<dd>the phase or imaginary wand. </dd> 4196 4197<dd> </dd> 4198<dt>magnitude</dt> 4199<dd>if true, return as magnitude / phase pair otherwise a real / imaginary image pair. </dd> 4200 4201<dd> </dd> 4202</dl> 4203<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickKmeansImage">MagickKmeansImage</a></h2> 4204 4205<p>MagickKmeansImage() applies k-means color reduction to an image. This is a colorspace clustering or segmentation technique.</p> 4206 4207<p>The format of the MagickKuwaharaImage method is:</p> 4208 4209<pre class="text"> 4210MagickBooleanType MagickKmeansImage(MagickWand *wand, 4211 const size_t number_colors, const size_t max_iterations, 4212 const double tolerance) 4213</pre> 4214 4215<p>A description of each parameter follows:</p> 4216 4217<dd> 4218</dd> 4219 4220<dd> </dd> 4221<dl class="dl-horizontal"> 4222<dt>wand</dt> 4223<dd>the magick wand. </dd> 4224 4225<dd> </dd> 4226<dt>number_colors</dt> 4227<dd>number of colors to use as seeds. </dd> 4228 4229<dd> </dd> 4230<dt>max_iterations</dt> 4231<dd>maximum number of iterations while converging. </dd> 4232 4233<dd> </dd> 4234<dt>tolerance</dt> 4235<dd>the maximum tolerance. </dd> 4236 4237<dd> </dd> 4238</dl> 4239<h2><a href="../../api/MagickWand/magick-image_8c.html" id="Use_MagickKuwaharaImage">Use MagickKuwaharaImage</a></h2> 4240 4241<p>Use MagickKuwaharaImage() is an edge preserving noise reduction filter.</p> 4242 4243<p>The format of the MagickKuwaharaImage method is:</p> 4244 4245<pre class="text"> 4246MagickBooleanType MagickKuwaharaImage(MagickWand *wand, 4247 const double radius,const double sigma) 4248</pre> 4249 4250<p>A description of each parameter follows:</p> 4251 4252<dd> 4253</dd> 4254 4255<dd> </dd> 4256<dl class="dl-horizontal"> 4257<dt>wand</dt> 4258<dd>the magick wand. </dd> 4259 4260<dd> </dd> 4261<dt>radius</dt> 4262<dd>the square window radius. </dd> 4263 4264<dd> </dd> 4265<dt>sigma</dt> 4266<dd>the standard deviation of the Gaussian, in pixels. </dd> 4267 4268<dd> </dd> 4269</dl> 4270<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickLabelImage">MagickLabelImage</a></h2> 4271 4272<p>MagickLabelImage() adds a label to your image.</p> 4273 4274<p>The format of the MagickLabelImage method is:</p> 4275 4276<pre class="text"> 4277MagickBooleanType MagickLabelImage(MagickWand *wand,const char *label) 4278</pre> 4279 4280<p>A description of each parameter follows:</p> 4281 4282<dd> 4283</dd> 4284 4285<dd> </dd> 4286<dl class="dl-horizontal"> 4287<dt>wand</dt> 4288<dd>the magick wand. </dd> 4289 4290<dd> </dd> 4291<dt>label</dt> 4292<dd>the image label. </dd> 4293 4294<dd> </dd> 4295</dl> 4296<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickLevelImage">MagickLevelImage</a></h2> 4297 4298<p>MagickLevelImage() adjusts the levels of an image by scaling the colors falling between specified white and black points to the full available quantum range. The parameters provided represent the black, mid, and white points. The black point specifies the darkest color in the image. Colors darker than the black point are set to zero. Mid point specifies a gamma correction to apply to the image. White point specifies the lightest color in the image. Colors brighter than the white point are set to the maximum quantum value.</p> 4299 4300<p>The format of the MagickLevelImage method is:</p> 4301 4302<pre class="text"> 4303MagickBooleanType MagickLevelImage(MagickWand *wand, 4304 const double black_point,const double gamma,const double white_point) 4305</pre> 4306 4307<p>A description of each parameter follows:</p> 4308 4309<dd> 4310</dd> 4311 4312<dd> </dd> 4313<dl class="dl-horizontal"> 4314<dt>wand</dt> 4315<dd>the magick wand. </dd> 4316 4317<dd> </dd> 4318<dt>channel</dt> 4319<dd>Identify which channel to level: RedPixelChannel, GreenPixelChannel, etc. </dd> 4320 4321<dd> </dd> 4322<dt>black_point</dt> 4323<dd>the black point. </dd> 4324 4325<dd> </dd> 4326<dt>gamma</dt> 4327<dd>the gamma. </dd> 4328 4329<dd> </dd> 4330<dt>white_point</dt> 4331<dd>the white point. </dd> 4332 4333<dd> </dd> 4334</dl> 4335<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickLevelImageColors">MagickLevelImageColors</a></h2> 4336 4337<p>MagickLevelImageColors() maps the given color to "black" and "white" values, linearly spreading out the colors, and level values on a channel by channel bases, as per LevelImage(). The given colors allows you to specify different level ranges for each of the color channels separately.</p> 4338 4339<p>The format of the MagickLevelImageColors method is:</p> 4340 4341<pre class="text"> 4342MagickBooleanType MagickLevelImageColors(MagickWand *wand, 4343 const PixelWand *black_color,const PixelWand *white_color, 4344 const MagickBooleanType invert) 4345</pre> 4346 4347<p>A description of each parameter follows:</p> 4348 4349<dd> 4350</dd> 4351 4352<dd> </dd> 4353<dl class="dl-horizontal"> 4354<dt>wand</dt> 4355<dd>the magick wand. </dd> 4356 4357<dd> </dd> 4358<dt>black_color</dt> 4359<dd>the black color. </dd> 4360 4361<dd> </dd> 4362<dt>white_color</dt> 4363<dd>the white color. </dd> 4364 4365<dd> </dd> 4366<dt>invert</dt> 4367<dd>if true map the colors (levelize), rather than from (level) </dd> 4368 4369<dd> </dd> 4370</dl> 4371<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickLevelizeImage">MagickLevelizeImage</a></h2> 4372 4373<p>MagickLevelizeImage() applies the reversed MagickLevelImage(). It compresses the full range of color values, so that they lie between the given black and white points. Gamma is applied before the values are mapped. It can be used to de-contrast a greyscale image to the exact levels specified.</p> 4374 4375<p>The format of the MagickLevelizeImage method is:</p> 4376 4377<pre class="text"> 4378MagickBooleanType MagickLevelizeImage(MagickWand *wand, 4379 const double black_point, const double white_point,const double gamma) 4380</pre> 4381 4382<p>A description of each parameter follows:</p> 4383 4384<dd> 4385</dd> 4386 4387<dd> </dd> 4388<dl class="dl-horizontal"> 4389<dt>wand</dt> 4390<dd>the magick wand. </dd> 4391 4392<dd> </dd> 4393<dt>black_point</dt> 4394<dd>The level to map zero (black) to. </dd> 4395 4396<dd> </dd> 4397<dt>white_point</dt> 4398<dd>The level to map QuantumRange (white) to. </dd> 4399 4400<dd> </dd> 4401<dt>gamma</dt> 4402<dd>adjust gamma by this factor before mapping values. </dd> 4403 4404<dd> </dd> 4405</dl> 4406<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickLinearStretchImage">MagickLinearStretchImage</a></h2> 4407 4408<p>MagickLinearStretchImage() stretches with saturation the image intensity.</p> 4409 4410<p>You can also reduce the influence of a particular channel with a gamma value of 0.</p> 4411 4412<p>The format of the MagickLinearStretchImage method is:</p> 4413 4414<pre class="text"> 4415MagickBooleanType MagickLinearStretchImage(MagickWand *wand, 4416 const double black_point,const double white_point) 4417</pre> 4418 4419<p>A description of each parameter follows:</p> 4420 4421<dd> 4422</dd> 4423 4424<dd> </dd> 4425<dl class="dl-horizontal"> 4426<dt>wand</dt> 4427<dd>the magick wand. </dd> 4428 4429<dd> </dd> 4430<dt>black_point</dt> 4431<dd>the black point. </dd> 4432 4433<dd> </dd> 4434<dt>white_point</dt> 4435<dd>the white point. </dd> 4436 4437<dd> </dd> 4438</dl> 4439<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickLiquidRescaleImage">MagickLiquidRescaleImage</a></h2> 4440 4441<p>MagickLiquidRescaleImage() rescales image with seam carving.</p> 4442 4443<p>MagickBooleanType MagickLiquidRescaleImage(MagickWand *wand, const size_t columns,const size_t rows, const double delta_x,const double rigidity)</p> 4444 4445<p>A description of each parameter follows:</p> 4446 4447<dd> 4448</dd> 4449 4450<dd> </dd> 4451<dl class="dl-horizontal"> 4452<dt>wand</dt> 4453<dd>the magick wand. </dd> 4454 4455<dd> </dd> 4456<dt>columns</dt> 4457<dd>the number of columns in the scaled image. </dd> 4458 4459<dd> </dd> 4460<dt>rows</dt> 4461<dd>the number of rows in the scaled image. </dd> 4462 4463<dd> </dd> 4464<dt>delta_x</dt> 4465<dd>maximum seam transversal step (0 means straight seams). </dd> 4466 4467<dd> </dd> 4468<dt>rigidity</dt> 4469<dd>introduce a bias for non-straight seams (typically 0). </dd> 4470 4471<dd> </dd> 4472</dl> 4473<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickLocalContrastImage">MagickLocalContrastImage</a></h2> 4474 4475<p>MagickLocalContrastImage() attempts to increase the appearance of large-scale light-dark transitions. Local contrast enhancement works similarly to sharpening with an unsharp mask, however the mask is instead created using an image with a greater blur distance.</p> 4476 4477<p>MagickBooleanType MagickLocalContrastImage(MagickWand *wand, const double radius,const double strength)</p> 4478 4479<p>A description of each parameter follows:</p> 4480 4481<dd> 4482</dd> 4483 4484<dd> </dd> 4485<dl class="dl-horizontal"> 4486<dt>image</dt> 4487<dd>the image. </dd> 4488 4489<dd> </dd> 4490<dt>radius</dt> 4491<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 4492 4493<dd> </dd> 4494<dt>strength</dt> 4495<dd>the strength of the blur mask in percentage. </dd> 4496 4497<dd> </dd> 4498</dl> 4499<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickMagnifyImage">MagickMagnifyImage</a></h2> 4500 4501<p>MagickMagnifyImage() is a convenience method that scales an image proportionally to twice its original size.</p> 4502 4503<p>The format of the MagickMagnifyImage method is:</p> 4504 4505<pre class="text"> 4506MagickBooleanType MagickMagnifyImage(MagickWand *wand) 4507</pre> 4508 4509<p>A description of each parameter follows:</p> 4510 4511<dd> 4512</dd> 4513 4514<dd> </dd> 4515<dl class="dl-horizontal"> 4516<dt>wand</dt> 4517<dd>the magick wand. </dd> 4518 4519<dd> </dd> 4520</dl> 4521<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickMeanShiftImage">MagickMeanShiftImage</a></h2> 4522 4523<p>MagickMeanShiftImage() elineate arbitrarily shaped clusters in the image. For each pixel, it visits all the pixels in the neighborhood specified by the window centered at the pixel and excludes those that are outside the radius=(window-1)/2 surrounding the pixel. From those pixels, it finds those that are within the specified color distance from the current mean, and computes a new x,y centroid from those coordinates and a new mean. This new x,y centroid is used as the center for a new window. This process iterates until it converges and the final mean is replaces the (original window center) pixel value. It repeats this process for the next pixel, etc., until it processes all pixels in the image. Results are typically better with colorspaces other than sRGB. We recommend YIQ, YUV or YCbCr.</p> 4524 4525<p>The format of the MagickMeanShiftImage method is:</p> 4526 4527<pre class="text"> 4528MagickBooleanType MagickMeanShiftImage(MagickWand *wand, 4529 const size_t number_terms,const double *terms) 4530</pre> 4531 4532<p>A description of each parameter follows:</p> 4533 4534<dd> 4535</dd> 4536 4537<dd> </dd> 4538<dl class="dl-horizontal"> 4539<dt>wand</dt> 4540<dd>the magick wand. </dd> 4541 4542<dd> </dd> 4543<dt>width, height</dt> 4544<dd>find pixels in this neighborhood. </dd> 4545 4546<dd> </dd> 4547<dt>color_distance</dt> 4548<dd>the color distance. </dd> 4549 4550<dd> </dd> 4551</dl> 4552<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickMergeImageLayers">MagickMergeImageLayers</a></h2> 4553 4554<p>MagickMergeImageLayers() composes all the image layers from the current given image onward to produce a single image of the merged layers.</p> 4555 4556<p>The inital canvas's size depends on the given LayerMethod, and is initialized using the first images background color. The images are then compositied onto that image in sequence using the given composition that has been assigned to each individual image.</p> 4557 4558<p>The format of the MagickMergeImageLayers method is:</p> 4559 4560<pre class="text"> 4561MagickWand *MagickMergeImageLayers(MagickWand *wand, 4562 const LayerMethod method) 4563</pre> 4564 4565<p>A description of each parameter follows:</p> 4566 4567<dd> 4568</dd> 4569 4570<dd> </dd> 4571<dl class="dl-horizontal"> 4572<dt>wand</dt> 4573<dd>the magick wand. </dd> 4574 4575<dd> </dd> 4576<dt>method</dt> 4577<dd>the method of selecting the size of the initial canvas. </dd> 4578 4579<dd> MergeLayer: Merge all layers onto a canvas just large enough to hold all the actual images. The virtual canvas of the first image is preserved but otherwise ignored. </dd> 4580 4581<dd> FlattenLayer: Use the virtual canvas size of first image. Images which fall outside this canvas is clipped. This can be used to 'fill out' a given virtual canvas. </dd> 4582 4583<dd> MosaicLayer: Start with the virtual canvas of the first image, enlarging left and right edges to contain all images. Images with negative offsets will be clipped. </dd> 4584 4585<dd> </dd> 4586</dl> 4587<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickMinifyImage">MagickMinifyImage</a></h2> 4588 4589<p>MagickMinifyImage() is a convenience method that scales an image proportionally to one-half its original size</p> 4590 4591<p>The format of the MagickMinifyImage method is:</p> 4592 4593<pre class="text"> 4594MagickBooleanType MagickMinifyImage(MagickWand *wand) 4595</pre> 4596 4597<p>A description of each parameter follows:</p> 4598 4599<dd> 4600</dd> 4601 4602<dd> </dd> 4603<dl class="dl-horizontal"> 4604<dt>wand</dt> 4605<dd>the magick wand. </dd> 4606 4607<dd> </dd> 4608</dl> 4609<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickModulateImage">MagickModulateImage</a></h2> 4610 4611<p>MagickModulateImage() lets you control the brightness, saturation, and hue of an image. Hue is the percentage of absolute rotation from the current position. For example 50 results in a counter-clockwise rotation of 90 degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 both resulting in a rotation of 180 degrees.</p> 4612 4613<p>To increase the color brightness by 20 and decrease the color saturation by 10 and leave the hue unchanged, use: 120,90,100.</p> 4614 4615<p>The format of the MagickModulateImage method is:</p> 4616 4617<pre class="text"> 4618MagickBooleanType MagickModulateImage(MagickWand *wand, 4619 const double brightness,const double saturation,const double hue) 4620</pre> 4621 4622<p>A description of each parameter follows:</p> 4623 4624<dd> 4625</dd> 4626 4627<dd> </dd> 4628<dl class="dl-horizontal"> 4629<dt>wand</dt> 4630<dd>the magick wand. </dd> 4631 4632<dd> </dd> 4633<dt>brightness</dt> 4634<dd>the percent change in brighness. </dd> 4635 4636<dd> </dd> 4637<dt>saturation</dt> 4638<dd>the percent change in saturation. </dd> 4639 4640<dd> </dd> 4641<dt>hue</dt> 4642<dd>the percent change in hue. </dd> 4643 4644<dd> </dd> 4645</dl> 4646<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickMontageImage">MagickMontageImage</a></h2> 4647 4648<p>MagickMontageImage() creates a composite image by combining several separate images. The images are tiled on the composite image with the name of the image optionally appearing just below the individual tile.</p> 4649 4650<p>The format of the MagickMontageImage method is:</p> 4651 4652<pre class="text"> 4653MagickWand *MagickMontageImage(MagickWand *wand, 4654 const DrawingWand drawing_wand,const char *tile_geometry, 4655 const char *thumbnail_geometry,const MontageMode mode, 4656 const char *frame) 4657</pre> 4658 4659<p>A description of each parameter follows:</p> 4660 4661<dd> 4662</dd> 4663 4664<dd> </dd> 4665<dl class="dl-horizontal"> 4666<dt>wand</dt> 4667<dd>the magick wand. </dd> 4668 4669<dd> </dd> 4670<dt>drawing_wand</dt> 4671<dd>the drawing wand. The font name, size, and color are obtained from this wand. </dd> 4672 4673<dd> </dd> 4674<dt>tile_geometry</dt> 4675<dd>the number of tiles per row and page (e.g. 6x4+0+0). </dd> 4676 4677<dd> </dd> 4678<dt>thumbnail_geometry</dt> 4679<dd>Preferred image size and border size of each thumbnail (e.g. 120x120+4+3>). </dd> 4680 4681<dd> </dd> 4682<dt>mode</dt> 4683<dd>Thumbnail framing mode: Frame, Unframe, or Concatenate. </dd> 4684 4685<dd> </dd> 4686<dt>frame</dt> 4687<dd>Surround the image with an ornamental border (e.g. 15x15+3+3). The frame color is that of the thumbnail's matte color. </dd> 4688 4689<dd> </dd> 4690</dl> 4691<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickMorphImages">MagickMorphImages</a></h2> 4692 4693<p>MagickMorphImages() method morphs a set of images. Both the image pixels and size are linearly interpolated to give the appearance of a meta-morphosis from one image to the next.</p> 4694 4695<p>The format of the MagickMorphImages method is:</p> 4696 4697<pre class="text"> 4698MagickWand *MagickMorphImages(MagickWand *wand, 4699 const size_t number_frames) 4700</pre> 4701 4702<p>A description of each parameter follows:</p> 4703 4704<dd> 4705</dd> 4706 4707<dd> </dd> 4708<dl class="dl-horizontal"> 4709<dt>wand</dt> 4710<dd>the magick wand. </dd> 4711 4712<dd> </dd> 4713<dt>number_frames</dt> 4714<dd>the number of in-between images to generate. </dd> 4715 4716<dd> </dd> 4717</dl> 4718<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickMorphologyImage">MagickMorphologyImage</a></h2> 4719 4720<p>MagickMorphologyImage() applies a user supplied kernel to the image according to the given mophology method.</p> 4721 4722<p>The format of the MagickMorphologyImage method is:</p> 4723 4724<pre class="text"> 4725MagickBooleanType MagickMorphologyImage(MagickWand *wand, 4726 const MorphologyMethod method,const ssize_t iterations, 4727 const KernelInfo *kernel) 4728</pre> 4729 4730<p>A description of each parameter follows:</p> 4731 4732<dd> 4733</dd> 4734 4735<dd> </dd> 4736<dl class="dl-horizontal"> 4737<dt>wand</dt> 4738<dd>the magick wand. </dd> 4739 4740<dd> </dd> 4741<dt>method</dt> 4742<dd>the morphology method to be applied. </dd> 4743 4744<dd> </dd> 4745<dt>iterations</dt> 4746<dd>apply the operation this many times (or no change). A value of -1 means loop until no change found. How this is applied may depend on the morphology method. Typically this is a value of 1. </dd> 4747 4748<dd> </dd> 4749<dt>kernel</dt> 4750<dd>An array of doubles representing the morphology kernel. </dd> 4751 4752<dd> </dd> 4753</dl> 4754<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickMotionBlurImage">MagickMotionBlurImage</a></h2> 4755 4756<p>MagickMotionBlurImage() simulates motion blur. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and MotionBlurImage() selects a suitable radius for you. Angle gives the angle of the blurring motion.</p> 4757 4758<p>The format of the MagickMotionBlurImage method is:</p> 4759 4760<pre class="text"> 4761MagickBooleanType MagickMotionBlurImage(MagickWand *wand, 4762 const double radius,const double sigma,const double angle) 4763</pre> 4764 4765<p>A description of each parameter follows:</p> 4766 4767<dd> 4768</dd> 4769 4770<dd> </dd> 4771<dl class="dl-horizontal"> 4772<dt>wand</dt> 4773<dd>the magick wand. </dd> 4774 4775<dd> </dd> 4776<dt>radius</dt> 4777<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 4778 4779<dd> </dd> 4780<dt>sigma</dt> 4781<dd>the standard deviation of the Gaussian, in pixels. </dd> 4782 4783<dd> </dd> 4784<dt>angle</dt> 4785<dd>Apply the effect along this angle. </dd> 4786 4787<dd> </dd> 4788</dl> 4789<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickNegateImage">MagickNegateImage</a></h2> 4790 4791<p>MagickNegateImage() negates the colors in the reference image. The Grayscale option means that only grayscale values within the image are negated.</p> 4792 4793<p>You can also reduce the influence of a particular channel with a gamma value of 0.</p> 4794 4795<p>The format of the MagickNegateImage method is:</p> 4796 4797<pre class="text"> 4798MagickBooleanType MagickNegateImage(MagickWand *wand, 4799 const MagickBooleanType gray) 4800</pre> 4801 4802<p>A description of each parameter follows:</p> 4803 4804<dd> 4805</dd> 4806 4807<dd> </dd> 4808<dl class="dl-horizontal"> 4809<dt>wand</dt> 4810<dd>the magick wand. </dd> 4811 4812<dd> </dd> 4813<dt>gray</dt> 4814<dd>If MagickTrue, only negate grayscale pixels within the image. </dd> 4815 4816<dd> </dd> 4817</dl> 4818<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickNewImage">MagickNewImage</a></h2> 4819 4820<p>MagickNewImage() adds a blank image canvas of the specified size and background color to the wand.</p> 4821 4822<p>The format of the MagickNewImage method is:</p> 4823 4824<pre class="text"> 4825MagickBooleanType MagickNewImage(MagickWand *wand, 4826 const size_t columns,const size_t rows, 4827 const PixelWand *background) 4828</pre> 4829 4830<p>A description of each parameter follows:</p> 4831 4832<dd> 4833</dd> 4834 4835<dd> </dd> 4836<dl class="dl-horizontal"> 4837<dt>wand</dt> 4838<dd>the magick wand. </dd> 4839 4840<dd> </dd> 4841<dt>width</dt> 4842<dd>the image width. </dd> 4843 4844<dd> </dd> 4845<dt>height</dt> 4846<dd>the image height. </dd> 4847 4848<dd> </dd> 4849<dt>background</dt> 4850<dd>the image color. </dd> 4851 4852<dd> </dd> 4853</dl> 4854<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickNextImage">MagickNextImage</a></h2> 4855 4856<p>MagickNextImage() sets the next image in the wand as the current image.</p> 4857 4858<p>It is typically used after MagickResetIterator(), after which its first use will set the first image as the current image (unless the wand is empty).</p> 4859 4860<p>It will return MagickFalse when no more images are left to be returned which happens when the wand is empty, or the current image is the last image.</p> 4861 4862<p>When the above condition (end of image list) is reached, the iterator is automaticall set so that you can start using MagickPreviousImage() to again iterate over the images in the reverse direction, starting with the last image (again). You can jump to this condition immeditally using MagickSetLastIterator().</p> 4863 4864<p>The format of the MagickNextImage method is:</p> 4865 4866<pre class="text"> 4867MagickBooleanType MagickNextImage(MagickWand *wand) 4868</pre> 4869 4870<p>A description of each parameter follows:</p> 4871 4872<dd> 4873</dd> 4874 4875<dd> </dd> 4876<dl class="dl-horizontal"> 4877<dt>wand</dt> 4878<dd>the magick wand. </dd> 4879 4880<dd> </dd> 4881</dl> 4882<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickNormalizeImage">MagickNormalizeImage</a></h2> 4883 4884<p>MagickNormalizeImage() enhances the contrast of a color image by adjusting the pixels color to span the entire range of colors available</p> 4885 4886<p>You can also reduce the influence of a particular channel with a gamma value of 0.</p> 4887 4888<p>The format of the MagickNormalizeImage method is:</p> 4889 4890<pre class="text"> 4891MagickBooleanType MagickNormalizeImage(MagickWand *wand) 4892</pre> 4893 4894<p>A description of each parameter follows:</p> 4895 4896<dd> 4897</dd> 4898 4899<dd> </dd> 4900<dl class="dl-horizontal"> 4901<dt>wand</dt> 4902<dd>the magick wand. </dd> 4903 4904<dd> </dd> 4905</dl> 4906<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickOilPaintImage">MagickOilPaintImage</a></h2> 4907 4908<p>MagickOilPaintImage() applies a special effect filter that simulates an oil painting. Each pixel is replaced by the most frequent color occurring in a circular region defined by radius.</p> 4909 4910<p>The format of the MagickOilPaintImage method is:</p> 4911 4912<pre class="text"> 4913MagickBooleanType MagickOilPaintImage(MagickWand *wand, 4914 const double radius,const double sigma) 4915</pre> 4916 4917<p>A description of each parameter follows:</p> 4918 4919<dd> 4920</dd> 4921 4922<dd> </dd> 4923<dl class="dl-horizontal"> 4924<dt>wand</dt> 4925<dd>the magick wand. </dd> 4926 4927<dd> </dd> 4928<dt>radius</dt> 4929<dd>the radius of the circular neighborhood. </dd> 4930 4931<dd> </dd> 4932<dt>sigma</dt> 4933<dd>the standard deviation of the Gaussian, in pixels. </dd> 4934 4935<dd> </dd> 4936</dl> 4937<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickOpaquePaintImage">MagickOpaquePaintImage</a></h2> 4938 4939<p>MagickOpaquePaintImage() changes any pixel that matches color with the color defined by fill.</p> 4940 4941<p>The format of the MagickOpaquePaintImage method is:</p> 4942 4943<pre class="text"> 4944MagickBooleanType MagickOpaquePaintImage(MagickWand *wand, 4945 const PixelWand *target,const PixelWand *fill,const double fuzz, 4946 const MagickBooleanType invert) 4947</pre> 4948 4949<p>A description of each parameter follows:</p> 4950 4951<dd> 4952</dd> 4953 4954<dd> </dd> 4955<dl class="dl-horizontal"> 4956<dt>wand</dt> 4957<dd>the magick wand. </dd> 4958 4959<dd> </dd> 4960<dt>target</dt> 4961<dd>Change this target color to the fill color within the image. </dd> 4962 4963<dd> </dd> 4964<dt>fill</dt> 4965<dd>the fill pixel wand. </dd> 4966 4967<dd> </dd> 4968<dt>fuzz</dt> 4969<dd>By default target must match a particular pixel color exactly. However, in many cases two colors may differ by a small amount. The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same. For example, set fuzz to 10 and the color red at intensities of 100 and 102 respectively are now interpreted as the same color for the purposes of the floodfill. </dd> 4970 4971<dd> </dd> 4972<dt>invert</dt> 4973<dd>paint any pixel that does not match the target color. </dd> 4974 4975<dd> </dd> 4976</dl> 4977<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickOptimizeImageLayers">MagickOptimizeImageLayers</a></h2> 4978 4979<p>MagickOptimizeImageLayers() compares each image the GIF disposed forms of the previous image in the sequence. From this it attempts to select the smallest cropped image to replace each frame, while preserving the results of the animation.</p> 4980 4981<p>The format of the MagickOptimizeImageLayers method is:</p> 4982 4983<pre class="text"> 4984MagickWand *MagickOptimizeImageLayers(MagickWand *wand) 4985</pre> 4986 4987<p>A description of each parameter follows:</p> 4988 4989<dd> 4990</dd> 4991 4992<dd> </dd> 4993<dl class="dl-horizontal"> 4994<dt>wand</dt> 4995<dd>the magick wand. </dd> 4996 4997<dd> </dd> 4998</dl> 4999<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickOptimizeImageTransparency">MagickOptimizeImageTransparency</a></h2> 5000 5001<p>MagickOptimizeImageTransparency() takes a frame optimized GIF animation, and compares the overlayed pixels against the disposal image resulting from all the previous frames in the animation. Any pixel that does not change the disposal image (and thus does not effect the outcome of an overlay) is made transparent.</p> 5002 5003<p>WARNING: This modifies the current images directly, rather than generate a new image sequence. The format of the MagickOptimizeImageTransparency method is:</p> 5004 5005<pre class="text"> 5006MagickBooleanType MagickOptimizeImageTransparency(MagickWand *wand) 5007</pre> 5008 5009<p>A description of each parameter follows:</p> 5010 5011<dd> 5012</dd> 5013 5014<dd> </dd> 5015<dl class="dl-horizontal"> 5016<dt>wand</dt> 5017<dd>the magick wand. </dd> 5018 5019<dd> </dd> 5020</dl> 5021<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickOrderedDitherImage">MagickOrderedDitherImage</a></h2> 5022 5023<p>MagickOrderedDitherImage() performs an ordered dither based on a number of pre-defined dithering threshold maps, but over multiple intensity levels, which can be different for different channels, according to the input arguments.</p> 5024 5025<p>The format of the MagickOrderedDitherImage method is:</p> 5026 5027<pre class="text"> 5028MagickBooleanType MagickOrderedDitherImage(MagickWand *wand, 5029 const char *threshold_map) 5030</pre> 5031 5032<p>A description of each parameter follows:</p> 5033 5034<dd> 5035</dd> 5036 5037<dd> </dd> 5038<dl class="dl-horizontal"> 5039<dt>image</dt> 5040<dd>the image. </dd> 5041 5042<dd> </dd> 5043<dt>threshold_map</dt> 5044<dd>A string containing the name of the threshold dither map to use, followed by zero or more numbers representing the number of color levels tho dither between. </dd> 5045 5046<dd> Any level number less than 2 is equivalent to 2, and means only binary dithering will be applied to each color channel. </dd> 5047 5048<dd> No numbers also means a 2 level (bitmap) dither will be applied to all channels, while a single number is the number of levels applied to each channel in sequence. More numbers will be applied in turn to each of the color channels. </dd> 5049 5050<dd> For example: "o3x3,6" generates a 6 level posterization of the image with a ordered 3x3 diffused pixel dither being applied between each level. While checker,8,8,4 will produce a 332 colormaped image with only a single checkerboard hash pattern (50 grey) between each color level, to basically double the number of color levels with a bare minimim of dithering. </dd> 5051 5052<dd> </dd> 5053</dl> 5054<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickPingImage">MagickPingImage</a></h2> 5055 5056<p>MagickPingImage() is the same as MagickReadImage() except the only valid information returned is the image width, height, size, and format. It is designed to efficiently obtain this information from a file without reading the entire image sequence into memory.</p> 5057 5058<p>The format of the MagickPingImage method is:</p> 5059 5060<pre class="text"> 5061MagickBooleanType MagickPingImage(MagickWand *wand,const char *filename) 5062</pre> 5063 5064<p>A description of each parameter follows:</p> 5065 5066<dd> 5067</dd> 5068 5069<dd> </dd> 5070<dl class="dl-horizontal"> 5071<dt>wand</dt> 5072<dd>the magick wand. </dd> 5073 5074<dd> </dd> 5075<dt>filename</dt> 5076<dd>the image filename. </dd> 5077 5078<dd> </dd> 5079</dl> 5080<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickPingImageBlob">MagickPingImageBlob</a></h2> 5081 5082<p>MagickPingImageBlob() pings an image or image sequence from a blob.</p> 5083 5084<p>The format of the MagickPingImageBlob method is:</p> 5085 5086<pre class="text"> 5087MagickBooleanType MagickPingImageBlob(MagickWand *wand, 5088 const void *blob,const size_t length) 5089</pre> 5090 5091<p>A description of each parameter follows:</p> 5092 5093<dd> 5094</dd> 5095 5096<dd> </dd> 5097<dl class="dl-horizontal"> 5098<dt>wand</dt> 5099<dd>the magick wand. </dd> 5100 5101<dd> </dd> 5102<dt>blob</dt> 5103<dd>the blob. </dd> 5104 5105<dd> </dd> 5106<dt>length</dt> 5107<dd>the blob length. </dd> 5108 5109<dd> </dd> 5110</dl> 5111<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickPingImageFile">MagickPingImageFile</a></h2> 5112 5113<p>MagickPingImageFile() pings an image or image sequence from an open file descriptor.</p> 5114 5115<p>The format of the MagickPingImageFile method is:</p> 5116 5117<pre class="text"> 5118MagickBooleanType MagickPingImageFile(MagickWand *wand,FILE *file) 5119</pre> 5120 5121<p>A description of each parameter follows:</p> 5122 5123<dd> 5124</dd> 5125 5126<dd> </dd> 5127<dl class="dl-horizontal"> 5128<dt>wand</dt> 5129<dd>the magick wand. </dd> 5130 5131<dd> </dd> 5132<dt>file</dt> 5133<dd>the file descriptor. </dd> 5134 5135<dd> </dd> 5136</dl> 5137<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickPolaroidImage">MagickPolaroidImage</a></h2> 5138 5139<p>MagickPolaroidImage() simulates a Polaroid picture.</p> 5140 5141<p>The format of the MagickPolaroidImage method is:</p> 5142 5143<pre class="text"> 5144MagickBooleanType MagickPolaroidImage(MagickWand *wand, 5145 const DrawingWand *drawing_wand,const char *caption,const double angle, 5146 const PixelInterpolateMethod method) 5147</pre> 5148 5149<p>A description of each parameter follows:</p> 5150 5151<dd> 5152</dd> 5153 5154<dd> </dd> 5155<dl class="dl-horizontal"> 5156<dt>wand</dt> 5157<dd>the magick wand. </dd> 5158 5159<dd> </dd> 5160<dt>drawing_wand</dt> 5161<dd>the draw wand. </dd> 5162 5163<dd> </dd> 5164<dt>caption</dt> 5165<dd>the Polaroid caption. </dd> 5166 5167<dd> </dd> 5168<dt>angle</dt> 5169<dd>Apply the effect along this angle. </dd> 5170 5171<dd> </dd> 5172<dt>method</dt> 5173<dd>the pixel interpolation method. </dd> 5174 5175<dd> </dd> 5176</dl> 5177<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickPolynomialImage">MagickPolynomialImage</a></h2> 5178 5179<p>MagickPolynomialImage() returns an image where each pixel is the sum of the pixels in the image sequence after applying its corresponding terms (coefficient and degree pairs).</p> 5180 5181<p>The format of the MagickPolynomialImage method is:</p> 5182 5183<pre class="text"> 5184MagickBooleanType MagickPolynomialImage(MagickWand *wand, 5185 const size_t number_terms,const double *terms) 5186</pre> 5187 5188<p>A description of each parameter follows:</p> 5189 5190<dd> 5191</dd> 5192 5193<dd> </dd> 5194<dl class="dl-horizontal"> 5195<dt>wand</dt> 5196<dd>the magick wand. </dd> 5197 5198<dd> </dd> 5199<dt>number_terms</dt> 5200<dd>the number of terms in the list. The actual list length is 2 x number_terms + 1 (the constant). </dd> 5201 5202<dd> </dd> 5203<dt>terms</dt> 5204<dd>the list of polynomial coefficients and degree pairs and a constant. </dd> 5205 5206<dd> </dd> 5207</dl> 5208<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickPosterizeImage">MagickPosterizeImage</a></h2> 5209 5210<p>MagickPosterizeImage() reduces the image to a limited number of color level.</p> 5211 5212<p>The format of the MagickPosterizeImage method is:</p> 5213 5214<pre class="text"> 5215MagickBooleanType MagickPosterizeImage(MagickWand *wand, 5216 const size_t levels,const DitherMethod method) 5217</pre> 5218 5219<p>A description of each parameter follows:</p> 5220 5221<dd> 5222</dd> 5223 5224<dd> </dd> 5225<dl class="dl-horizontal"> 5226<dt>wand</dt> 5227<dd>the magick wand. </dd> 5228 5229<dd> </dd> 5230<dt>levels</dt> 5231<dd>Number of color levels allowed in each channel. Very low values (2, 3, or 4) have the most visible effect. </dd> 5232 5233<dd> </dd> 5234<dt>method</dt> 5235<dd>choose the dither method: UndefinedDitherMethod, NoDitherMethod, RiemersmaDitherMethod, or FloydSteinbergDitherMethod. </dd> 5236 5237<dd> </dd> 5238</dl> 5239<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickPreviewImages">MagickPreviewImages</a></h2> 5240 5241<p>MagickPreviewImages() tiles 9 thumbnails of the specified image with an image processing operation applied at varying strengths. This helpful to quickly pin-point an appropriate parameter for an image processing operation.</p> 5242 5243<p>The format of the MagickPreviewImages method is:</p> 5244 5245<pre class="text"> 5246MagickWand *MagickPreviewImages(MagickWand *wand, 5247 const PreviewType preview) 5248</pre> 5249 5250<p>A description of each parameter follows:</p> 5251 5252<dd> 5253</dd> 5254 5255<dd> </dd> 5256<dl class="dl-horizontal"> 5257<dt>wand</dt> 5258<dd>the magick wand. </dd> 5259 5260<dd> </dd> 5261<dt>preview</dt> 5262<dd>the preview type. </dd> 5263 5264<dd> </dd> 5265</dl> 5266<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickPreviousImage">MagickPreviousImage</a></h2> 5267 5268<p>MagickPreviousImage() sets the previous image in the wand as the current image.</p> 5269 5270<p>It is typically used after MagickSetLastIterator(), after which its first use will set the last image as the current image (unless the wand is empty).</p> 5271 5272<p>It will return MagickFalse when no more images are left to be returned which happens when the wand is empty, or the current image is the first image. At that point the iterator is than reset to again process images in the forward direction, again starting with the first image in list. Images added at this point are prepended.</p> 5273 5274<p>Also at that point any images added to the wand using MagickAddImages() or MagickReadImages() will be prepended before the first image. In this sense the condition is not quite exactly the same as MagickResetIterator().</p> 5275 5276<p>The format of the MagickPreviousImage method is:</p> 5277 5278<pre class="text"> 5279MagickBooleanType MagickPreviousImage(MagickWand *wand) 5280</pre> 5281 5282<p>A description of each parameter follows:</p> 5283 5284<dd> 5285</dd> 5286 5287<dd> </dd> 5288<dl class="dl-horizontal"> 5289<dt>wand</dt> 5290<dd>the magick wand. </dd> 5291 5292<dd> </dd> 5293</dl> 5294<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickQuantizeImage">MagickQuantizeImage</a></h2> 5295 5296<p>MagickQuantizeImage() analyzes the colors within a reference image and chooses a fixed number of colors to represent the image. The goal of the algorithm is to minimize the color difference between the input and output image while minimizing the processing time.</p> 5297 5298<p>The format of the MagickQuantizeImage method is:</p> 5299 5300<pre class="text"> 5301MagickBooleanType MagickQuantizeImage(MagickWand *wand, 5302 const size_t number_colors,const ColorspaceType colorspace, 5303 const size_t treedepth,const DitherMethod dither_method, 5304 const MagickBooleanType measure_error) 5305</pre> 5306 5307<p>A description of each parameter follows:</p> 5308 5309<dd> 5310</dd> 5311 5312<dd> </dd> 5313<dl class="dl-horizontal"> 5314<dt>wand</dt> 5315<dd>the magick wand. </dd> 5316 5317<dd> </dd> 5318<dt>number_colors</dt> 5319<dd>the number of colors. </dd> 5320 5321<dd> </dd> 5322<dt>colorspace</dt> 5323<dd>Perform color reduction in this colorspace, typically RGBColorspace. </dd> 5324 5325<dd> </dd> 5326<dt>treedepth</dt> 5327<dd>Normally, this integer value is zero or one. A zero or one tells Quantize to choose a optimal tree depth of Log4(number_colors). A tree of this depth generally allows the best representation of the reference image with the least amount of memory and the fastest computational speed. In some cases, such as an image with low color dispersion (a few number of colors), a value other than Log4(number_colors) is required. To expand the color tree completely, use a value of 8. </dd> 5328 5329<dd> </dd> 5330<dt>dither_method</dt> 5331<dd>choose from UndefinedDitherMethod, NoDitherMethod, RiemersmaDitherMethod, FloydSteinbergDitherMethod. </dd> 5332 5333<dd> </dd> 5334<dt>measure_error</dt> 5335<dd>A value other than zero measures the difference between the original and quantized images. This difference is the total quantization error. The error is computed by summing over all pixels in an image the distance squared in RGB space between each reference pixel value and its quantized value. </dd> 5336 5337<dd> </dd> 5338</dl> 5339<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickQuantizeImages">MagickQuantizeImages</a></h2> 5340 5341<p>MagickQuantizeImages() analyzes the colors within a sequence of images and chooses a fixed number of colors to represent the image. The goal of the algorithm is to minimize the color difference between the input and output image while minimizing the processing time.</p> 5342 5343<p>The format of the MagickQuantizeImages method is:</p> 5344 5345<pre class="text"> 5346MagickBooleanType MagickQuantizeImages(MagickWand *wand, 5347 const size_t number_colors,const ColorspaceType colorspace, 5348 const size_t treedepth,const DitherMethod dither_method, 5349 const MagickBooleanType measure_error) 5350</pre> 5351 5352<p>A description of each parameter follows:</p> 5353 5354<dd> 5355</dd> 5356 5357<dd> </dd> 5358<dl class="dl-horizontal"> 5359<dt>wand</dt> 5360<dd>the magick wand. </dd> 5361 5362<dd> </dd> 5363<dt>number_colors</dt> 5364<dd>the number of colors. </dd> 5365 5366<dd> </dd> 5367<dt>colorspace</dt> 5368<dd>Perform color reduction in this colorspace, typically RGBColorspace. </dd> 5369 5370<dd> </dd> 5371<dt>treedepth</dt> 5372<dd>Normally, this integer value is zero or one. A zero or one tells Quantize to choose a optimal tree depth of Log4(number_colors). A tree of this depth generally allows the best representation of the reference image with the least amount of memory and the fastest computational speed. In some cases, such as an image with low color dispersion (a few number of colors), a value other than Log4(number_colors) is required. To expand the color tree completely, use a value of 8. </dd> 5373 5374<dd> </dd> 5375<dt>dither_method</dt> 5376<dd>choose from these dither methods: NoDitherMethod, RiemersmaDitherMethod, or FloydSteinbergDitherMethod. </dd> 5377 5378<dd> </dd> 5379<dt>measure_error</dt> 5380<dd>A value other than zero measures the difference between the original and quantized images. This difference is the total quantization error. The error is computed by summing over all pixels in an image the distance squared in RGB space between each reference pixel value and its quantized value. </dd> 5381 5382<dd> </dd> 5383</dl> 5384<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickRangeThresholdImage">MagickRangeThresholdImage</a></h2> 5385 5386<p>MagickRangeThresholdImage() applies soft and hard thresholding.</p> 5387 5388<p>The format of the RangeThresholdImage method is:</p> 5389 5390<pre class="text"> 5391MagickBooleanType MagickRangeThresholdImage(MagickWand *wand, 5392 const double low_black,const double low_white,const double high_white, 5393 const double high_black) 5394</pre> 5395 5396<p>A description of each parameter follows:</p> 5397 5398<dd> 5399</dd> 5400 5401<dd> </dd> 5402<dl class="dl-horizontal"> 5403<dt>wand</dt> 5404<dd>the magick wand. </dd> 5405 5406<dd> </dd> 5407<dt>low_black</dt> 5408<dd>Define the minimum threshold value. </dd> 5409 5410<dd> </dd> 5411<dt>low_white</dt> 5412<dd>Define the maximum threshold value. </dd> 5413 5414<dd> </dd> 5415<dt>high_white</dt> 5416<dd>Define the minimum threshold value. </dd> 5417 5418<dd> </dd> 5419<dt>low_white</dt> 5420<dd>Define the maximum threshold value. </dd> 5421 5422<dd> </dd> 5423</dl> 5424<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickRotationalBlurImage">MagickRotationalBlurImage</a></h2> 5425 5426<p>MagickRotationalBlurImage() rotational blurs an image.</p> 5427 5428<p>The format of the MagickRotationalBlurImage method is:</p> 5429 5430<pre class="text"> 5431MagickBooleanType MagickRotationalBlurImage(MagickWand *wand, 5432 const double angle) 5433</pre> 5434 5435<p>A description of each parameter follows:</p> 5436 5437<dd> 5438</dd> 5439 5440<dd> </dd> 5441<dl class="dl-horizontal"> 5442<dt>wand</dt> 5443<dd>the magick wand. </dd> 5444 5445<dd> </dd> 5446<dt>angle</dt> 5447<dd>the angle of the blur in degrees. </dd> 5448 5449<dd> </dd> 5450</dl> 5451<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickRaiseImage">MagickRaiseImage</a></h2> 5452 5453<p>MagickRaiseImage() creates a simulated three-dimensional button-like effect by lightening and darkening the edges of the image. Members width and height of raise_info define the width of the vertical and horizontal edge of the effect.</p> 5454 5455<p>The format of the MagickRaiseImage method is:</p> 5456 5457<pre class="text"> 5458MagickBooleanType MagickRaiseImage(MagickWand *wand, 5459 const size_t width,const size_t height,const ssize_t x, 5460 const ssize_t y,const MagickBooleanType raise) 5461</pre> 5462 5463<p>A description of each parameter follows:</p> 5464 5465<dd> 5466</dd> 5467 5468<dd> </dd> 5469<dl class="dl-horizontal"> 5470<dt>wand</dt> 5471<dd>the magick wand. </dd> 5472 5473<dd> </dd> 5474<dt>width,height,x,y</dt> 5475<dd> Define the dimensions of the area to raise. </dd> 5476 5477<dd> </dd> 5478<dt>raise</dt> 5479<dd>A value other than zero creates a 3-D raise effect, otherwise it has a lowered effect. </dd> 5480 5481<dd> </dd> 5482</dl> 5483<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickRandomThresholdImage">MagickRandomThresholdImage</a></h2> 5484 5485<p>MagickRandomThresholdImage() changes the value of individual pixels based on the intensity of each pixel compared to threshold. The result is a high-contrast, two color image.</p> 5486 5487<p>The format of the MagickRandomThresholdImage method is:</p> 5488 5489<pre class="text"> 5490MagickBooleanType MagickRandomThresholdImage(MagickWand *wand, 5491 const double low,const double high) 5492</pre> 5493 5494<p>A description of each parameter follows:</p> 5495 5496<dd> 5497</dd> 5498 5499<dd> </dd> 5500<dl class="dl-horizontal"> 5501<dt>wand</dt> 5502<dd>the magick wand. </dd> 5503 5504<dd> </dd> 5505<dt>low,high</dt> 5506<dd>Specify the high and low thresholds. These values range from 0 to QuantumRange. </dd> 5507 5508<dd> </dd> 5509</dl> 5510<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickReadImage">MagickReadImage</a></h2> 5511 5512<p>MagickReadImage() reads an image or image sequence. The images are inserted just before the current image pointer position.</p> 5513 5514<p>Use MagickSetFirstIterator(), to insert new images before all the current images in the wand, MagickSetLastIterator() to append add to the end, MagickSetIteratorIndex() to place images just after the given index.</p> 5515 5516<p>The format of the MagickReadImage method is:</p> 5517 5518<pre class="text"> 5519MagickBooleanType MagickReadImage(MagickWand *wand,const char *filename) 5520</pre> 5521 5522<p>A description of each parameter follows:</p> 5523 5524<dd> 5525</dd> 5526 5527<dd> </dd> 5528<dl class="dl-horizontal"> 5529<dt>wand</dt> 5530<dd>the magick wand. </dd> 5531 5532<dd> </dd> 5533<dt>filename</dt> 5534<dd>the image filename. </dd> 5535 5536<dd> </dd> 5537</dl> 5538<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickReadImageBlob">MagickReadImageBlob</a></h2> 5539 5540<p>MagickReadImageBlob() reads an image or image sequence from a blob. In all other respects it is like MagickReadImage().</p> 5541 5542<p>The format of the MagickReadImageBlob method is:</p> 5543 5544<pre class="text"> 5545MagickBooleanType MagickReadImageBlob(MagickWand *wand, 5546 const void *blob,const size_t length) 5547</pre> 5548 5549<p>A description of each parameter follows:</p> 5550 5551<dd> 5552</dd> 5553 5554<dd> </dd> 5555<dl class="dl-horizontal"> 5556<dt>wand</dt> 5557<dd>the magick wand. </dd> 5558 5559<dd> </dd> 5560<dt>blob</dt> 5561<dd>the blob. </dd> 5562 5563<dd> </dd> 5564<dt>length</dt> 5565<dd>the blob length. </dd> 5566 5567<dd> </dd> 5568</dl> 5569<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickReadImageFile">MagickReadImageFile</a></h2> 5570 5571<p>MagickReadImageFile() reads an image or image sequence from an already opened file descriptor. Otherwise it is like MagickReadImage().</p> 5572 5573<p>The format of the MagickReadImageFile method is:</p> 5574 5575<pre class="text"> 5576MagickBooleanType MagickReadImageFile(MagickWand *wand,FILE *file) 5577</pre> 5578 5579<p>A description of each parameter follows:</p> 5580 5581<dd> 5582</dd> 5583 5584<dd> </dd> 5585<dl class="dl-horizontal"> 5586<dt>wand</dt> 5587<dd>the magick wand. </dd> 5588 5589<dd> </dd> 5590<dt>file</dt> 5591<dd>the file descriptor. </dd> 5592 5593<dd> </dd> 5594</dl> 5595<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickRemapImage">MagickRemapImage</a></h2> 5596 5597<p>MagickRemapImage() replaces the colors of an image with the closest color from a reference image.</p> 5598 5599<p>The format of the MagickRemapImage method is:</p> 5600 5601<pre class="text"> 5602MagickBooleanType MagickRemapImage(MagickWand *wand, 5603 const MagickWand *remap_wand,const DitherMethod method) 5604</pre> 5605 5606<p>A description of each parameter follows:</p> 5607 5608<dd> 5609</dd> 5610 5611<dd> </dd> 5612<dl class="dl-horizontal"> 5613<dt>wand</dt> 5614<dd>the magick wand. </dd> 5615 5616<dd> </dd> 5617<dt>affinity</dt> 5618<dd>the affinity wand. </dd> 5619 5620<dd> </dd> 5621<dt>method</dt> 5622<dd>choose from these dither methods: NoDitherMethod, RiemersmaDitherMethod, or FloydSteinbergDitherMethod. </dd> 5623 5624<dd> </dd> 5625</dl> 5626<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickRemoveImage">MagickRemoveImage</a></h2> 5627 5628<p>MagickRemoveImage() removes an image from the image list.</p> 5629 5630<p>The format of the MagickRemoveImage method is:</p> 5631 5632<pre class="text"> 5633MagickBooleanType MagickRemoveImage(MagickWand *wand) 5634</pre> 5635 5636<p>A description of each parameter follows:</p> 5637 5638<dd> 5639</dd> 5640 5641<dd> </dd> 5642<dl class="dl-horizontal"> 5643<dt>wand</dt> 5644<dd>the magick wand. </dd> 5645 5646<dd> </dd> 5647<dt>insert</dt> 5648<dd>the splice wand. </dd> 5649 5650<dd> </dd> 5651</dl> 5652<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickResampleImage">MagickResampleImage</a></h2> 5653 5654<p>MagickResampleImage() resample image to desired resolution.</p> 5655 5656<p>Bessel Blackman Box Catrom Cubic Gaussian Hanning Hermite Lanczos Mitchell Point Quandratic Sinc Triangle</p> 5657 5658<p>Most of the filters are FIR (finite impulse response), however, Bessel, Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc are windowed (brought down to zero) with the Blackman filter.</p> 5659 5660<p>The format of the MagickResampleImage method is:</p> 5661 5662<pre class="text"> 5663MagickBooleanType MagickResampleImage(MagickWand *wand, 5664 const double x_resolution,const double y_resolution, 5665 const FilterType filter) 5666</pre> 5667 5668<p>A description of each parameter follows:</p> 5669 5670<dd> 5671</dd> 5672 5673<dd> </dd> 5674<dl class="dl-horizontal"> 5675<dt>wand</dt> 5676<dd>the magick wand. </dd> 5677 5678<dd> </dd> 5679<dt>x_resolution</dt> 5680<dd>the new image x resolution. </dd> 5681 5682<dd> </dd> 5683<dt>y_resolution</dt> 5684<dd>the new image y resolution. </dd> 5685 5686<dd> </dd> 5687<dt>filter</dt> 5688<dd>Image filter to use. </dd> 5689 5690<dd> </dd> 5691</dl> 5692<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickResetImagePage">MagickResetImagePage</a></h2> 5693 5694<p>MagickResetImagePage() resets the Wand page canvas and position.</p> 5695 5696<p>The format of the MagickResetImagePage method is:</p> 5697 5698<pre class="text"> 5699MagickBooleanType MagickResetImagePage(MagickWand *wand, 5700 const char *page) 5701</pre> 5702 5703<p>A description of each parameter follows:</p> 5704 5705<dd> 5706</dd> 5707 5708<dd> </dd> 5709<dl class="dl-horizontal"> 5710<dt>wand</dt> 5711<dd>the magick wand. </dd> 5712 5713<dd> </dd> 5714<dt>page</dt> 5715<dd>the relative page specification. </dd> 5716 5717<dd> </dd> 5718</dl> 5719<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickResizeImage">MagickResizeImage</a></h2> 5720 5721<p>MagickResizeImage() scales an image to the desired dimensions with one of these filters:</p> 5722 5723<pre class="text"> 5724 Bessel Blackman Box 5725 Catrom CubicGaussian 5726 Hanning Hermite Lanczos 5727 Mitchell PointQuandratic 5728 Sinc Triangle 5729</pre> 5730 5731<p>Most of the filters are FIR (finite impulse response), however, Bessel, Gaussian, and Sinc are IIR (infinite impulse response). Bessel and Sinc are windowed (brought down to zero) with the Blackman filter.</p> 5732 5733<p>The format of the MagickResizeImage method is:</p> 5734 5735<pre class="text"> 5736MagickBooleanType MagickResizeImage(MagickWand *wand, 5737 const size_t columns,const size_t rows,const FilterType filter) 5738</pre> 5739 5740<p>A description of each parameter follows:</p> 5741 5742<dd> 5743</dd> 5744 5745<dd> </dd> 5746<dl class="dl-horizontal"> 5747<dt>wand</dt> 5748<dd>the magick wand. </dd> 5749 5750<dd> </dd> 5751<dt>columns</dt> 5752<dd>the number of columns in the scaled image. </dd> 5753 5754<dd> </dd> 5755<dt>rows</dt> 5756<dd>the number of rows in the scaled image. </dd> 5757 5758<dd> </dd> 5759<dt>filter</dt> 5760<dd>Image filter to use. </dd> 5761 5762<dd> </dd> 5763</dl> 5764<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickRollImage">MagickRollImage</a></h2> 5765 5766<p>MagickRollImage() offsets an image as defined by x and y.</p> 5767 5768<p>The format of the MagickRollImage method is:</p> 5769 5770<pre class="text"> 5771MagickBooleanType MagickRollImage(MagickWand *wand,const ssize_t x, 5772 const size_t y) 5773</pre> 5774 5775<p>A description of each parameter follows:</p> 5776 5777<dd> 5778</dd> 5779 5780<dd> </dd> 5781<dl class="dl-horizontal"> 5782<dt>wand</dt> 5783<dd>the magick wand. </dd> 5784 5785<dd> </dd> 5786<dt>x</dt> 5787<dd>the x offset. </dd> 5788 5789<dd> </dd> 5790<dt>y</dt> 5791<dd>the y offset. </dd> 5792 5793<dd> </dd> 5794 5795<dd> </dd> 5796</dl> 5797<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickRotateImage">MagickRotateImage</a></h2> 5798 5799<p>MagickRotateImage() rotates an image the specified number of degrees. Empty triangles left over from rotating the image are filled with the background color.</p> 5800 5801<p>The format of the MagickRotateImage method is:</p> 5802 5803<pre class="text"> 5804MagickBooleanType MagickRotateImage(MagickWand *wand, 5805 const PixelWand *background,const double degrees) 5806</pre> 5807 5808<p>A description of each parameter follows:</p> 5809 5810<dd> 5811</dd> 5812 5813<dd> </dd> 5814<dl class="dl-horizontal"> 5815<dt>wand</dt> 5816<dd>the magick wand. </dd> 5817 5818<dd> </dd> 5819<dt>background</dt> 5820<dd>the background pixel wand. </dd> 5821 5822<dd> </dd> 5823<dt>degrees</dt> 5824<dd>the number of degrees to rotate the image. </dd> 5825 5826<dd> </dd> 5827 5828<dd> </dd> 5829</dl> 5830<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSampleImage">MagickSampleImage</a></h2> 5831 5832<p>MagickSampleImage() scales an image to the desired dimensions with pixel sampling. Unlike other scaling methods, this method does not introduce any additional color into the scaled image.</p> 5833 5834<p>The format of the MagickSampleImage method is:</p> 5835 5836<pre class="text"> 5837MagickBooleanType MagickSampleImage(MagickWand *wand, 5838 const size_t columns,const size_t rows) 5839</pre> 5840 5841<p>A description of each parameter follows:</p> 5842 5843<dd> 5844</dd> 5845 5846<dd> </dd> 5847<dl class="dl-horizontal"> 5848<dt>wand</dt> 5849<dd>the magick wand. </dd> 5850 5851<dd> </dd> 5852<dt>columns</dt> 5853<dd>the number of columns in the scaled image. </dd> 5854 5855<dd> </dd> 5856<dt>rows</dt> 5857<dd>the number of rows in the scaled image. </dd> 5858 5859<dd> </dd> 5860 5861<dd> </dd> 5862</dl> 5863<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickScaleImage">MagickScaleImage</a></h2> 5864 5865<p>MagickScaleImage() scales the size of an image to the given dimensions.</p> 5866 5867<p>The format of the MagickScaleImage method is:</p> 5868 5869<pre class="text"> 5870MagickBooleanType MagickScaleImage(MagickWand *wand, 5871 const size_t columns,const size_t rows) 5872</pre> 5873 5874<p>A description of each parameter follows:</p> 5875 5876<dd> 5877</dd> 5878 5879<dd> </dd> 5880<dl class="dl-horizontal"> 5881<dt>wand</dt> 5882<dd>the magick wand. </dd> 5883 5884<dd> </dd> 5885<dt>columns</dt> 5886<dd>the number of columns in the scaled image. </dd> 5887 5888<dd> </dd> 5889<dt>rows</dt> 5890<dd>the number of rows in the scaled image. </dd> 5891 5892<dd> </dd> 5893 5894<dd> </dd> 5895</dl> 5896<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSegmentImage">MagickSegmentImage</a></h2> 5897 5898<p>MagickSegmentImage() segments an image by analyzing the histograms of the color components and identifying units that are homogeneous with the fuzzy C-means technique.</p> 5899 5900<p>The format of the SegmentImage method is:</p> 5901 5902<pre class="text"> 5903MagickBooleanType MagickSegmentImage(MagickWand *wand, 5904 const ColorspaceType colorspace,const MagickBooleanType verbose, 5905 const double cluster_threshold,const double smooth_threshold) 5906</pre> 5907 5908<p>A description of each parameter follows.</p> 5909 5910<dt>wand</dt> 5911<p>the wand.</p> 5912 5913<dt>colorspace</dt> 5914<p>the image colorspace.</p> 5915 5916<dt>verbose</dt> 5917<p>Set to MagickTrue to print detailed information about the identified classes.</p> 5918 5919<dt>cluster_threshold</dt> 5920<p>This represents the minimum number of pixels contained in a hexahedra before it can be considered valid (expressed as a percentage).</p> 5921 5922<dt>smooth_threshold</dt> 5923<p>the smoothing threshold eliminates noise in the second derivative of the histogram. As the value is increased, you can expect a smoother second derivative.</p> 5924 5925<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSelectiveBlurImage">MagickSelectiveBlurImage</a></h2> 5926 5927<p>MagickSelectiveBlurImage() selectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.</p> 5928 5929<p>The format of the MagickSelectiveBlurImage method is:</p> 5930 5931<pre class="text"> 5932MagickBooleanType MagickSelectiveBlurImage(MagickWand *wand, 5933 const double radius,const double sigma,const double threshold) 5934</pre> 5935 5936<p>A description of each parameter follows:</p> 5937 5938<dd> 5939</dd> 5940 5941<dd> </dd> 5942<dl class="dl-horizontal"> 5943<dt>wand</dt> 5944<dd>the magick wand. </dd> 5945 5946<dd> </dd> 5947<dt>radius</dt> 5948<dd>the radius of the gaussian, in pixels, not counting the center pixel. </dd> 5949 5950<dd> </dd> 5951<dt>sigma</dt> 5952<dd>the standard deviation of the gaussian, in pixels. </dd> 5953 5954<dd> </dd> 5955<dt>threshold</dt> 5956<dd>only pixels within this contrast threshold are included in the blur operation. </dd> 5957 5958<dd> </dd> 5959</dl> 5960<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSeparateImage">MagickSeparateImage</a></h2> 5961 5962<p>MagickSeparateImage() separates a channel from the image and returns a grayscale image. A channel is a particular color component of each pixel in the image.</p> 5963 5964<p>The format of the MagickSeparateImage method is:</p> 5965 5966<pre class="text"> 5967MagickBooleanType MagickSeparateImage(MagickWand *wand, 5968 const ChannelType channel) 5969</pre> 5970 5971<p>A description of each parameter follows:</p> 5972 5973<dd> 5974</dd> 5975 5976<dd> </dd> 5977<dl class="dl-horizontal"> 5978<dt>wand</dt> 5979<dd>the magick wand. </dd> 5980 5981<dd> </dd> 5982<dt>channel</dt> 5983<dd>the channel. </dd> 5984 5985<dd> </dd> 5986</dl> 5987<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSepiaToneImage">MagickSepiaToneImage</a></h2> 5988 5989<p>MagickSepiaToneImage() applies a special effect to the image, similar to the effect achieved in a photo darkroom by sepia toning. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the sepia toning. A threshold of 80 is a good starting point for a reasonable tone.</p> 5990 5991<p>The format of the MagickSepiaToneImage method is:</p> 5992 5993<pre class="text"> 5994MagickBooleanType MagickSepiaToneImage(MagickWand *wand, 5995 const double threshold) 5996</pre> 5997 5998<p>A description of each parameter follows:</p> 5999 6000<dd> 6001</dd> 6002 6003<dd> </dd> 6004<dl class="dl-horizontal"> 6005<dt>wand</dt> 6006<dd>the magick wand. </dd> 6007 6008<dd> </dd> 6009<dt>threshold</dt> 6010<dd> Define the extent of the sepia toning. </dd> 6011 6012<dd> </dd> 6013</dl> 6014<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImage">MagickSetImage</a></h2> 6015 6016<p>MagickSetImage() replaces the last image returned by MagickSetIteratorIndex(), MagickNextImage(), MagickPreviousImage() with the images from the specified wand.</p> 6017 6018<p>The format of the MagickSetImage method is:</p> 6019 6020<pre class="text"> 6021MagickBooleanType MagickSetImage(MagickWand *wand, 6022 const MagickWand *set_wand) 6023</pre> 6024 6025<p>A description of each parameter follows:</p> 6026 6027<dd> 6028</dd> 6029 6030<dd> </dd> 6031<dl class="dl-horizontal"> 6032<dt>wand</dt> 6033<dd>the magick wand. </dd> 6034 6035<dd> </dd> 6036<dt>set_wand</dt> 6037<dd>the set_wand wand. </dd> 6038 6039<dd> </dd> 6040</dl> 6041<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageAlphaChannel">MagickSetImageAlphaChannel</a></h2> 6042 6043<p>MagickSetImageAlphaChannel() activates, deactivates, resets, or sets the alpha channel.</p> 6044 6045<p>The format of the MagickSetImageAlphaChannel method is:</p> 6046 6047<pre class="text"> 6048MagickBooleanType MagickSetImageAlphaChannel(MagickWand *wand, 6049 const AlphaChannelOption alpha_type) 6050</pre> 6051 6052<p>A description of each parameter follows:</p> 6053 6054<dd> 6055</dd> 6056 6057<dd> </dd> 6058<dl class="dl-horizontal"> 6059<dt>wand</dt> 6060<dd>the magick wand. </dd> 6061 6062<dd> </dd> 6063<dt>alpha_type</dt> 6064<dd>the alpha channel type: ActivateAlphaChannel, DeactivateAlphaChannel, OpaqueAlphaChannel, or SetAlphaChannel. </dd> 6065 6066<dd> </dd> 6067</dl> 6068<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageBackgroundColor">MagickSetImageBackgroundColor</a></h2> 6069 6070<p>MagickSetImageBackgroundColor() sets the image background color.</p> 6071 6072<p>The format of the MagickSetImageBackgroundColor method is:</p> 6073 6074<pre class="text"> 6075MagickBooleanType MagickSetImageBackgroundColor(MagickWand *wand, 6076 const PixelWand *background) 6077</pre> 6078 6079<p>A description of each parameter follows:</p> 6080 6081<dd> 6082</dd> 6083 6084<dd> </dd> 6085<dl class="dl-horizontal"> 6086<dt>wand</dt> 6087<dd>the magick wand. </dd> 6088 6089<dd> </dd> 6090<dt>background</dt> 6091<dd>the background pixel wand. </dd> 6092 6093<dd> </dd> 6094</dl> 6095<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageBluePrimary">MagickSetImageBluePrimary</a></h2> 6096 6097<p>MagickSetImageBluePrimary() sets the image chromaticity blue primary point.</p> 6098 6099<p>The format of the MagickSetImageBluePrimary method is:</p> 6100 6101<pre class="text"> 6102MagickBooleanType MagickSetImageBluePrimary(MagickWand *wand, 6103 const double x,const double y,const double z) 6104</pre> 6105 6106<p>A description of each parameter follows:</p> 6107 6108<dd> 6109</dd> 6110 6111<dd> </dd> 6112<dl class="dl-horizontal"> 6113<dt>wand</dt> 6114<dd>the magick wand. </dd> 6115 6116<dd> </dd> 6117<dt>x</dt> 6118<dd>the blue primary x-point. </dd> 6119 6120<dd> </dd> 6121<dt>y</dt> 6122<dd>the blue primary y-point. </dd> 6123 6124<dd> </dd> 6125<dt>z</dt> 6126<dd>the blue primary z-point. </dd> 6127 6128<dd> </dd> 6129</dl> 6130<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageBorderColor">MagickSetImageBorderColor</a></h2> 6131 6132<p>MagickSetImageBorderColor() sets the image border color.</p> 6133 6134<p>The format of the MagickSetImageBorderColor method is:</p> 6135 6136<pre class="text"> 6137MagickBooleanType MagickSetImageBorderColor(MagickWand *wand, 6138 const PixelWand *border) 6139</pre> 6140 6141<p>A description of each parameter follows:</p> 6142 6143<dd> 6144</dd> 6145 6146<dd> </dd> 6147<dl class="dl-horizontal"> 6148<dt>wand</dt> 6149<dd>the magick wand. </dd> 6150 6151<dd> </dd> 6152<dt>border</dt> 6153<dd>the border pixel wand. </dd> 6154 6155<dd> </dd> 6156</dl> 6157<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageChannelMask">MagickSetImageChannelMask</a></h2> 6158 6159<p>MagickSetImageChannelMask() sets image channel mask.</p> 6160 6161<p>The format of the MagickSetImageChannelMask method is:</p> 6162 6163<pre class="text"> 6164ChannelType MagickSetImageChannelMask(MagickWand *wand, 6165 const ChannelType channel_mask) 6166</pre> 6167 6168<p>A description of each parameter follows:</p> 6169 6170<dd> 6171</dd> 6172 6173<dd> </dd> 6174<dl class="dl-horizontal"> 6175<dt>wand</dt> 6176<dd>the magick wand. </dd> 6177 6178<dd> </dd> 6179<dt>channel_mask</dt> 6180<dd>the channel_mask wand. </dd> 6181 6182<dd> </dd> 6183</dl> 6184<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageMask">MagickSetImageMask</a></h2> 6185 6186<p>MagickSetImageMask() sets image clip mask.</p> 6187 6188<p>The format of the MagickSetImageMask method is:</p> 6189 6190<pre class="text"> 6191MagickBooleanType MagickSetImageMask(MagickWand *wand, 6192 const PixelMask type,const MagickWand *clip_mask) 6193</pre> 6194 6195<p>A description of each parameter follows:</p> 6196 6197<dd> 6198</dd> 6199 6200<dd> </dd> 6201<dl class="dl-horizontal"> 6202<dt>wand</dt> 6203<dd>the magick wand. </dd> 6204 6205<dd> </dd> 6206<dt>type</dt> 6207<dd>type of mask, ReadPixelMask or WritePixelMask. </dd> 6208 6209<dd> </dd> 6210<dt>clip_mask</dt> 6211<dd>the clip_mask wand. </dd> 6212 6213<dd> </dd> 6214</dl> 6215<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageColor">MagickSetImageColor</a></h2> 6216 6217<p>MagickSetImageColor() set the entire wand canvas to the specified color.</p> 6218 6219<p>The format of the MagickSetImageColor method is:</p> 6220 6221<pre class="text"> 6222MagickBooleanType MagickSetImageColor(MagickWand *wand, 6223 const PixelWand *color) 6224</pre> 6225 6226<p>A description of each parameter follows:</p> 6227 6228<dd> 6229</dd> 6230 6231<dd> </dd> 6232<dl class="dl-horizontal"> 6233<dt>wand</dt> 6234<dd>the magick wand. </dd> 6235 6236<dd> </dd> 6237<dt>background</dt> 6238<dd>the image color. </dd> 6239 6240<dd> </dd> 6241</dl> 6242<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageColormapColor">MagickSetImageColormapColor</a></h2> 6243 6244<p>MagickSetImageColormapColor() sets the color of the specified colormap index.</p> 6245 6246<p>The format of the MagickSetImageColormapColor method is:</p> 6247 6248<pre class="text"> 6249MagickBooleanType MagickSetImageColormapColor(MagickWand *wand, 6250 const size_t index,const PixelWand *color) 6251</pre> 6252 6253<p>A description of each parameter follows:</p> 6254 6255<dd> 6256</dd> 6257 6258<dd> </dd> 6259<dl class="dl-horizontal"> 6260<dt>wand</dt> 6261<dd>the magick wand. </dd> 6262 6263<dd> </dd> 6264<dt>index</dt> 6265<dd>the offset into the image colormap. </dd> 6266 6267<dd> </dd> 6268<dt>color</dt> 6269<dd>Return the colormap color in this wand. </dd> 6270 6271<dd> </dd> 6272</dl> 6273<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageColorspace">MagickSetImageColorspace</a></h2> 6274 6275<p>MagickSetImageColorspace() sets the image colorspace. But does not modify the image data.</p> 6276 6277<p>The format of the MagickSetImageColorspace method is:</p> 6278 6279<pre class="text"> 6280MagickBooleanType MagickSetImageColorspace(MagickWand *wand, 6281 const ColorspaceType colorspace) 6282</pre> 6283 6284<p>A description of each parameter follows:</p> 6285 6286<dd> 6287</dd> 6288 6289<dd> </dd> 6290<dl class="dl-horizontal"> 6291<dt>wand</dt> 6292<dd>the magick wand. </dd> 6293 6294<dd> </dd> 6295<dt>colorspace</dt> 6296<dd>the image colorspace: UndefinedColorspace, RGBColorspace, GRAYColorspace, TransparentColorspace, OHTAColorspace, XYZColorspace, YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, YPbPrColorspace, YUVColorspace, CMYKColorspace, sRGBColorspace, HSLColorspace, or HWBColorspace. </dd> 6297 6298<dd> </dd> 6299</dl> 6300<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageCompose">MagickSetImageCompose</a></h2> 6301 6302<p>MagickSetImageCompose() sets the image composite operator, useful for specifying how to composite the image thumbnail when using the MagickMontageImage() method.</p> 6303 6304<p>The format of the MagickSetImageCompose method is:</p> 6305 6306<pre class="text"> 6307MagickBooleanType MagickSetImageCompose(MagickWand *wand, 6308 const CompositeOperator compose) 6309</pre> 6310 6311<p>A description of each parameter follows:</p> 6312 6313<dd> 6314</dd> 6315 6316<dd> </dd> 6317<dl class="dl-horizontal"> 6318<dt>wand</dt> 6319<dd>the magick wand. </dd> 6320 6321<dd> </dd> 6322<dt>compose</dt> 6323<dd>the image composite operator. </dd> 6324 6325<dd> </dd> 6326</dl> 6327<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageCompression">MagickSetImageCompression</a></h2> 6328 6329<p>MagickSetImageCompression() sets the image compression.</p> 6330 6331<p>The format of the MagickSetImageCompression method is:</p> 6332 6333<pre class="text"> 6334MagickBooleanType MagickSetImageCompression(MagickWand *wand, 6335 const CompressionType compression) 6336</pre> 6337 6338<p>A description of each parameter follows:</p> 6339 6340<dd> 6341</dd> 6342 6343<dd> </dd> 6344<dl class="dl-horizontal"> 6345<dt>wand</dt> 6346<dd>the magick wand. </dd> 6347 6348<dd> </dd> 6349<dt>compression</dt> 6350<dd>the image compression type. </dd> 6351 6352<dd> </dd> 6353</dl> 6354<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageCompressionQuality">MagickSetImageCompressionQuality</a></h2> 6355 6356<p>MagickSetImageCompressionQuality() sets the image compression quality.</p> 6357 6358<p>The format of the MagickSetImageCompressionQuality method is:</p> 6359 6360<pre class="text"> 6361MagickBooleanType MagickSetImageCompressionQuality(MagickWand *wand, 6362 const size_t quality) 6363</pre> 6364 6365<p>A description of each parameter follows:</p> 6366 6367<dd> 6368</dd> 6369 6370<dd> </dd> 6371<dl class="dl-horizontal"> 6372<dt>wand</dt> 6373<dd>the magick wand. </dd> 6374 6375<dd> </dd> 6376<dt>quality</dt> 6377<dd>the image compression tlityype. </dd> 6378 6379<dd> </dd> 6380</dl> 6381<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageDelay">MagickSetImageDelay</a></h2> 6382 6383<p>MagickSetImageDelay() sets the image delay.</p> 6384 6385<p>The format of the MagickSetImageDelay method is:</p> 6386 6387<pre class="text"> 6388MagickBooleanType MagickSetImageDelay(MagickWand *wand, 6389 const size_t delay) 6390</pre> 6391 6392<p>A description of each parameter follows:</p> 6393 6394<dd> 6395</dd> 6396 6397<dd> </dd> 6398<dl class="dl-horizontal"> 6399<dt>wand</dt> 6400<dd>the magick wand. </dd> 6401 6402<dd> </dd> 6403<dt>delay</dt> 6404<dd>the image delay in ticks-per-second units. </dd> 6405 6406<dd> </dd> 6407</dl> 6408<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageDepth">MagickSetImageDepth</a></h2> 6409 6410<p>MagickSetImageDepth() sets the image depth.</p> 6411 6412<p>The format of the MagickSetImageDepth method is:</p> 6413 6414<pre class="text"> 6415MagickBooleanType MagickSetImageDepth(MagickWand *wand, 6416 const size_t depth) 6417</pre> 6418 6419<p>A description of each parameter follows:</p> 6420 6421<dd> 6422</dd> 6423 6424<dd> </dd> 6425<dl class="dl-horizontal"> 6426<dt>wand</dt> 6427<dd>the magick wand. </dd> 6428 6429<dd> </dd> 6430<dt>depth</dt> 6431<dd>the image depth in bits: 8, 16, or 32. </dd> 6432 6433<dd> </dd> 6434</dl> 6435<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageDispose">MagickSetImageDispose</a></h2> 6436 6437<p>MagickSetImageDispose() sets the image disposal method.</p> 6438 6439<p>The format of the MagickSetImageDispose method is:</p> 6440 6441<pre class="text"> 6442MagickBooleanType MagickSetImageDispose(MagickWand *wand, 6443 const DisposeType dispose) 6444</pre> 6445 6446<p>A description of each parameter follows:</p> 6447 6448<dd> 6449</dd> 6450 6451<dd> </dd> 6452<dl class="dl-horizontal"> 6453<dt>wand</dt> 6454<dd>the magick wand. </dd> 6455 6456<dd> </dd> 6457<dt>dispose</dt> 6458<dd>the image disposeal type. </dd> 6459 6460<dd> </dd> 6461</dl> 6462<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageEndian">MagickSetImageEndian</a></h2> 6463 6464<p>MagickSetImageEndian() sets the image endian method.</p> 6465 6466<p>The format of the MagickSetImageEndian method is:</p> 6467 6468<pre class="text"> 6469MagickBooleanType MagickSetImageEndian(MagickWand *wand, 6470 const EndianType endian) 6471</pre> 6472 6473<p>A description of each parameter follows:</p> 6474 6475<dd> 6476</dd> 6477 6478<dd> </dd> 6479<dl class="dl-horizontal"> 6480<dt>wand</dt> 6481<dd>the magick wand. </dd> 6482 6483<dd> </dd> 6484<dt>endian</dt> 6485<dd>the image endian type. </dd> 6486 6487<dd> </dd> 6488</dl> 6489<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageExtent">MagickSetImageExtent</a></h2> 6490 6491<p>MagickSetImageExtent() sets the image size (i.e. columns & rows).</p> 6492 6493<p>The format of the MagickSetImageExtent method is:</p> 6494 6495<pre class="text"> 6496MagickBooleanType MagickSetImageExtent(MagickWand *wand, 6497 const size_t columns,const unsigned rows) 6498</pre> 6499 6500<p>A description of each parameter follows:</p> 6501 6502<dd> 6503</dd> 6504 6505<dd> </dd> 6506<dl class="dl-horizontal"> 6507<dt>wand</dt> 6508<dd>the magick wand. </dd> 6509 6510<dd> </dd> 6511<dt>columns</dt> 6512<dd> The image width in pixels. </dd> 6513 6514<dd> </dd> 6515<dt>rows</dt> 6516<dd> The image height in pixels. </dd> 6517 6518<dd> </dd> 6519</dl> 6520<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageFilename">MagickSetImageFilename</a></h2> 6521 6522<p>MagickSetImageFilename() sets the filename of a particular image in a sequence.</p> 6523 6524<p>The format of the MagickSetImageFilename method is:</p> 6525 6526<pre class="text"> 6527MagickBooleanType MagickSetImageFilename(MagickWand *wand, 6528 const char *filename) 6529</pre> 6530 6531<p>A description of each parameter follows:</p> 6532 6533<dd> 6534</dd> 6535 6536<dd> </dd> 6537<dl class="dl-horizontal"> 6538<dt>wand</dt> 6539<dd>the magick wand. </dd> 6540 6541<dd> </dd> 6542<dt>filename</dt> 6543<dd>the image filename. </dd> 6544 6545<dd> </dd> 6546</dl> 6547<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageFormat">MagickSetImageFormat</a></h2> 6548 6549<p>MagickSetImageFormat() sets the format of a particular image in a sequence.</p> 6550 6551<p>The format of the MagickSetImageFormat method is:</p> 6552 6553<pre class="text"> 6554MagickBooleanType MagickSetImageFormat(MagickWand *wand, 6555 const char *format) 6556</pre> 6557 6558<p>A description of each parameter follows:</p> 6559 6560<dd> 6561</dd> 6562 6563<dd> </dd> 6564<dl class="dl-horizontal"> 6565<dt>wand</dt> 6566<dd>the magick wand. </dd> 6567 6568<dd> </dd> 6569<dt>format</dt> 6570<dd>the image format. </dd> 6571 6572<dd> </dd> 6573</dl> 6574<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageFuzz">MagickSetImageFuzz</a></h2> 6575 6576<p>MagickSetImageFuzz() sets the image fuzz.</p> 6577 6578<p>The format of the MagickSetImageFuzz method is:</p> 6579 6580<pre class="text"> 6581MagickBooleanType MagickSetImageFuzz(MagickWand *wand, 6582 const double fuzz) 6583</pre> 6584 6585<p>A description of each parameter follows:</p> 6586 6587<dd> 6588</dd> 6589 6590<dd> </dd> 6591<dl class="dl-horizontal"> 6592<dt>wand</dt> 6593<dd>the magick wand. </dd> 6594 6595<dd> </dd> 6596<dt>fuzz</dt> 6597<dd>the image fuzz. </dd> 6598 6599<dd> </dd> 6600</dl> 6601<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageGamma">MagickSetImageGamma</a></h2> 6602 6603<p>MagickSetImageGamma() sets the image gamma.</p> 6604 6605<p>The format of the MagickSetImageGamma method is:</p> 6606 6607<pre class="text"> 6608MagickBooleanType MagickSetImageGamma(MagickWand *wand, 6609 const double gamma) 6610</pre> 6611 6612<p>A description of each parameter follows:</p> 6613 6614<dd> 6615</dd> 6616 6617<dd> </dd> 6618<dl class="dl-horizontal"> 6619<dt>wand</dt> 6620<dd>the magick wand. </dd> 6621 6622<dd> </dd> 6623<dt>gamma</dt> 6624<dd>the image gamma. </dd> 6625 6626<dd> </dd> 6627</dl> 6628<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageGravity">MagickSetImageGravity</a></h2> 6629 6630<p>MagickSetImageGravity() sets the image gravity type.</p> 6631 6632<p>The format of the MagickSetImageGravity method is:</p> 6633 6634<pre class="text"> 6635MagickBooleanType MagickSetImageGravity(MagickWand *wand, 6636 const GravityType gravity) 6637</pre> 6638 6639<p>A description of each parameter follows:</p> 6640 6641<dd> 6642</dd> 6643 6644<dd> </dd> 6645<dl class="dl-horizontal"> 6646<dt>wand</dt> 6647<dd>the magick wand. </dd> 6648 6649<dd> </dd> 6650<dt>gravity</dt> 6651<dd>positioning gravity (NorthWestGravity, NorthGravity, NorthEastGravity, WestGravity, CenterGravity, EastGravity, SouthWestGravity, SouthGravity, SouthEastGravity) </dd> 6652 6653<dd> </dd> 6654</dl> 6655<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageGreenPrimary">MagickSetImageGreenPrimary</a></h2> 6656 6657<p>MagickSetImageGreenPrimary() sets the image chromaticity green primary point.</p> 6658 6659<p>The format of the MagickSetImageGreenPrimary method is:</p> 6660 6661<pre class="text"> 6662MagickBooleanType MagickSetImageGreenPrimary(MagickWand *wand, 6663 const double x,const double y,const double z) 6664</pre> 6665 6666<p>A description of each parameter follows:</p> 6667 6668<dd> 6669</dd> 6670 6671<dd> </dd> 6672<dl class="dl-horizontal"> 6673<dt>wand</dt> 6674<dd>the magick wand. </dd> 6675 6676<dd> </dd> 6677<dt>x</dt> 6678<dd>the green primary x-point. </dd> 6679 6680<dd> </dd> 6681<dt>y</dt> 6682<dd>the green primary y-point. </dd> 6683 6684<dd> </dd> 6685<dt>z</dt> 6686<dd>the green primary z-point. </dd> 6687 6688<dd> </dd> 6689</dl> 6690<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageInterlaceScheme">MagickSetImageInterlaceScheme</a></h2> 6691 6692<p>MagickSetImageInterlaceScheme() sets the image interlace scheme.</p> 6693 6694<p>The format of the MagickSetImageInterlaceScheme method is:</p> 6695 6696<pre class="text"> 6697MagickBooleanType MagickSetImageInterlaceScheme(MagickWand *wand, 6698 const InterlaceType interlace) 6699</pre> 6700 6701<p>A description of each parameter follows:</p> 6702 6703<dd> 6704</dd> 6705 6706<dd> </dd> 6707<dl class="dl-horizontal"> 6708<dt>wand</dt> 6709<dd>the magick wand. </dd> 6710 6711<dd> </dd> 6712<dt>interlace</dt> 6713<dd>the image interlace scheme: NoInterlace, LineInterlace, PlaneInterlace, PartitionInterlace. </dd> 6714 6715<dd> </dd> 6716</dl> 6717<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageInterpolateMethod">MagickSetImageInterpolateMethod</a></h2> 6718 6719<p>MagickSetImageInterpolateMethod() sets the image interpolate pixel method.</p> 6720 6721<p>The format of the MagickSetImageInterpolateMethod method is:</p> 6722 6723<pre class="text"> 6724MagickBooleanType MagickSetImageInterpolateMethod(MagickWand *wand, 6725 const PixelInterpolateMethod method) 6726</pre> 6727 6728<p>A description of each parameter follows:</p> 6729 6730<dd> 6731</dd> 6732 6733<dd> </dd> 6734<dl class="dl-horizontal"> 6735<dt>wand</dt> 6736<dd>the magick wand. </dd> 6737 6738<dd> </dd> 6739<dt>method</dt> 6740<dd>the image interpole pixel methods: choose from Undefined, Average, Bicubic, Bilinear, Filter, Integer, Mesh, NearestNeighbor. </dd> 6741 6742<dd> </dd> 6743</dl> 6744<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageIterations">MagickSetImageIterations</a></h2> 6745 6746<p>MagickSetImageIterations() sets the image iterations.</p> 6747 6748<p>The format of the MagickSetImageIterations method is:</p> 6749 6750<pre class="text"> 6751MagickBooleanType MagickSetImageIterations(MagickWand *wand, 6752 const size_t iterations) 6753</pre> 6754 6755<p>A description of each parameter follows:</p> 6756 6757<dd> 6758</dd> 6759 6760<dd> </dd> 6761<dl class="dl-horizontal"> 6762<dt>wand</dt> 6763<dd>the magick wand. </dd> 6764 6765<dd> </dd> 6766<dt>delay</dt> 6767<dd>the image delay in 1/100th of a second. </dd> 6768 6769<dd> </dd> 6770</dl> 6771<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageMatte">MagickSetImageMatte</a></h2> 6772 6773<p>MagickSetImageMatte() sets the image matte channel.</p> 6774 6775<p>The format of the MagickSetImageMatte method is:</p> 6776 6777<pre class="text"> 6778MagickBooleanType MagickSetImageMatte(MagickWand *wand, 6779 const MagickBooleanType *matte) 6780</pre> 6781 6782<p>A description of each parameter follows:</p> 6783 6784<dd> 6785</dd> 6786 6787<dd> </dd> 6788<dl class="dl-horizontal"> 6789<dt>wand</dt> 6790<dd>the magick wand. </dd> 6791 6792<dd> </dd> 6793<dt>matte</dt> 6794<dd>Set to MagickTrue to enable the image matte channel otherwise MagickFalse. </dd> 6795 6796<dd> </dd> 6797</dl> 6798<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageMatteColor">MagickSetImageMatteColor</a></h2> 6799 6800<p>MagickSetImageMatteColor() sets the image alpha color.</p> 6801 6802<p>The format of the MagickSetImageMatteColor method is:</p> 6803 6804<pre class="text"> 6805MagickBooleanType MagickSetImageMatteColor(MagickWand *wand, 6806 const PixelWand *matte) 6807</pre> 6808 6809<p>A description of each parameter follows:</p> 6810 6811<dd> 6812</dd> 6813 6814<dd> </dd> 6815<dl class="dl-horizontal"> 6816<dt>wand</dt> 6817<dd>the magick wand. </dd> 6818 6819<dd> </dd> 6820<dt>matte</dt> 6821<dd>the alpha pixel wand. </dd> 6822 6823<dd> </dd> 6824</dl> 6825<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageAlpha">MagickSetImageAlpha</a></h2> 6826 6827<p>MagickSetImageAlpha() sets the image to the specified alpha level.</p> 6828 6829<p>The format of the MagickSetImageAlpha method is:</p> 6830 6831<pre class="text"> 6832MagickBooleanType MagickSetImageAlpha(MagickWand *wand, 6833 const double alpha) 6834</pre> 6835 6836<p>A description of each parameter follows:</p> 6837 6838<dd> 6839</dd> 6840 6841<dd> </dd> 6842<dl class="dl-horizontal"> 6843<dt>wand</dt> 6844<dd>the magick wand. </dd> 6845 6846<dd> </dd> 6847<dt>alpha</dt> 6848<dd>the level of transparency: 1.0 is fully opaque and 0.0 is fully transparent. </dd> 6849 6850<dd> </dd> 6851</dl> 6852<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageOrientation">MagickSetImageOrientation</a></h2> 6853 6854<p>MagickSetImageOrientation() sets the image orientation.</p> 6855 6856<p>The format of the MagickSetImageOrientation method is:</p> 6857 6858<pre class="text"> 6859MagickBooleanType MagickSetImageOrientation(MagickWand *wand, 6860 const OrientationType orientation) 6861</pre> 6862 6863<p>A description of each parameter follows:</p> 6864 6865<dd> 6866</dd> 6867 6868<dd> </dd> 6869<dl class="dl-horizontal"> 6870<dt>wand</dt> 6871<dd>the magick wand. </dd> 6872 6873<dd> </dd> 6874<dt>orientation</dt> 6875<dd>the image orientation type. </dd> 6876 6877<dd> </dd> 6878</dl> 6879<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImagePage">MagickSetImagePage</a></h2> 6880 6881<p>MagickSetImagePage() sets the page geometry of the image.</p> 6882 6883<p>The format of the MagickSetImagePage method is:</p> 6884 6885<pre class="text"> 6886MagickBooleanType MagickSetImagePage(MagickWand *wand,const size_t width, const size_t height,const ssize_t x,const ssize_t y) 6887</pre> 6888 6889<p>A description of each parameter follows:</p> 6890 6891<dd> 6892</dd> 6893 6894<dd> </dd> 6895<dl class="dl-horizontal"> 6896<dt>wand</dt> 6897<dd>the magick wand. </dd> 6898 6899<dd> </dd> 6900<dt>width</dt> 6901<dd>the page width. </dd> 6902 6903<dd> </dd> 6904<dt>height</dt> 6905<dd>the page height. </dd> 6906 6907<dd> </dd> 6908<dt>x</dt> 6909<dd>the page x-offset. </dd> 6910 6911<dd> </dd> 6912<dt>y</dt> 6913<dd>the page y-offset. </dd> 6914 6915<dd> </dd> 6916</dl> 6917<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImagePixelColor">MagickSetImagePixelColor</a></h2> 6918 6919<p>MagickSetImagePixelColor() sets the color of the specified pixel.</p> 6920 6921<p>The format of the MagickSetImagePixelColor method is:</p> 6922 6923<pre class="text"> 6924MagickBooleanType MagickSetImagePixelColor(MagickWand *wand, 6925 const ssize_t x,const ssize_t y,const PixelWand *color) 6926</pre> 6927 6928<p>A description of each parameter follows:</p> 6929 6930<dd> 6931</dd> 6932 6933<dd> </dd> 6934<dl class="dl-horizontal"> 6935<dt>wand</dt> 6936<dd>the magick wand. </dd> 6937 6938<dd> </dd> 6939<dt>x,y</dt> 6940<dd>the pixel offset into the image. </dd> 6941 6942<dd> </dd> 6943<dt>color</dt> 6944<dd>Return the colormap color in this wand. </dd> 6945 6946<dd> </dd> 6947</dl> 6948<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageProgressMonitor">MagickSetImageProgressMonitor</a></h2> 6949 6950<p>MagickSetImageProgressMonitor() sets the wand image progress monitor to the specified method and returns the previous progress monitor if any. The progress monitor method looks like this:</p> 6951 6952<pre class="text"> 6953 MagickBooleanType MagickProgressMonitor(const char *text, 6954const MagickOffsetType offset,const MagickSizeType span, 6955void *client_data) 6956</pre> 6957 6958<p>If the progress monitor returns MagickFalse, the current operation is interrupted.</p> 6959 6960<p>The format of the MagickSetImageProgressMonitor method is:</p> 6961 6962<pre class="text"> 6963MagickProgressMonitor MagickSetImageProgressMonitor(MagickWand *wand 6964 const MagickProgressMonitor progress_monitor,void *client_data) 6965</pre> 6966 6967<p>A description of each parameter follows:</p> 6968 6969<dd> 6970</dd> 6971 6972<dd> </dd> 6973<dl class="dl-horizontal"> 6974<dt>wand</dt> 6975<dd>the magick wand. </dd> 6976 6977<dd> </dd> 6978<dt>progress_monitor</dt> 6979<dd>Specifies a pointer to a method to monitor progress of an image operation. </dd> 6980 6981<dd> </dd> 6982<dt>client_data</dt> 6983<dd>Specifies a pointer to any client data. </dd> 6984 6985<dd> </dd> 6986</dl> 6987<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageRedPrimary">MagickSetImageRedPrimary</a></h2> 6988 6989<p>MagickSetImageRedPrimary() sets the image chromaticity red primary point.</p> 6990 6991<p>The format of the MagickSetImageRedPrimary method is:</p> 6992 6993<pre class="text"> 6994MagickBooleanType MagickSetImageRedPrimary(MagickWand *wand, 6995 const double x,const double y,const double z) 6996</pre> 6997 6998<p>A description of each parameter follows:</p> 6999 7000<dd> 7001</dd> 7002 7003<dd> </dd> 7004<dl class="dl-horizontal"> 7005<dt>wand</dt> 7006<dd>the magick wand. </dd> 7007 7008<dd> </dd> 7009<dt>x</dt> 7010<dd>the red primary x-point. </dd> 7011 7012<dd> </dd> 7013<dt>y</dt> 7014<dd>the red primary y-point. </dd> 7015 7016<dd> </dd> 7017<dt>z</dt> 7018<dd>the red primary z-point. </dd> 7019 7020<dd> </dd> 7021</dl> 7022<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageRenderingIntent">MagickSetImageRenderingIntent</a></h2> 7023 7024<p>MagickSetImageRenderingIntent() sets the image rendering intent.</p> 7025 7026<p>The format of the MagickSetImageRenderingIntent method is:</p> 7027 7028<pre class="text"> 7029MagickBooleanType MagickSetImageRenderingIntent(MagickWand *wand, 7030 const RenderingIntent rendering_intent) 7031</pre> 7032 7033<p>A description of each parameter follows:</p> 7034 7035<dd> 7036</dd> 7037 7038<dd> </dd> 7039<dl class="dl-horizontal"> 7040<dt>wand</dt> 7041<dd>the magick wand. </dd> 7042 7043<dd> </dd> 7044<dt>rendering_intent</dt> 7045<dd>the image rendering intent: UndefinedIntent, SaturationIntent, PerceptualIntent, AbsoluteIntent, or RelativeIntent. </dd> 7046 7047<dd> </dd> 7048</dl> 7049<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageResolution">MagickSetImageResolution</a></h2> 7050 7051<p>MagickSetImageResolution() sets the image resolution.</p> 7052 7053<p>The format of the MagickSetImageResolution method is:</p> 7054 7055<pre class="text"> 7056MagickBooleanType MagickSetImageResolution(MagickWand *wand, 7057 const double x_resolution,const double y_resolution) 7058</pre> 7059 7060<p>A description of each parameter follows:</p> 7061 7062<dd> 7063</dd> 7064 7065<dd> </dd> 7066<dl class="dl-horizontal"> 7067<dt>wand</dt> 7068<dd>the magick wand. </dd> 7069 7070<dd> </dd> 7071<dt>x_resolution</dt> 7072<dd>the image x resolution. </dd> 7073 7074<dd> </dd> 7075<dt>y_resolution</dt> 7076<dd>the image y resolution. </dd> 7077 7078<dd> </dd> 7079</dl> 7080<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageScene">MagickSetImageScene</a></h2> 7081 7082<p>MagickSetImageScene() sets the image scene.</p> 7083 7084<p>The format of the MagickSetImageScene method is:</p> 7085 7086<pre class="text"> 7087MagickBooleanType MagickSetImageScene(MagickWand *wand, 7088 const size_t scene) 7089</pre> 7090 7091<p>A description of each parameter follows:</p> 7092 7093<dd> 7094</dd> 7095 7096<dd> </dd> 7097<dl class="dl-horizontal"> 7098<dt>wand</dt> 7099<dd>the magick wand. </dd> 7100 7101<dd> </dd> 7102<dt>delay</dt> 7103<dd>the image scene number. </dd> 7104 7105<dd> </dd> 7106</dl> 7107<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageTicksPerSecond">MagickSetImageTicksPerSecond</a></h2> 7108 7109<p>MagickSetImageTicksPerSecond() sets the image ticks-per-second.</p> 7110 7111<p>The format of the MagickSetImageTicksPerSecond method is:</p> 7112 7113<pre class="text"> 7114MagickBooleanType MagickSetImageTicksPerSecond(MagickWand *wand, 7115 const ssize_t ticks_per-second) 7116</pre> 7117 7118<p>A description of each parameter follows:</p> 7119 7120<dd> 7121</dd> 7122 7123<dd> </dd> 7124<dl class="dl-horizontal"> 7125<dt>wand</dt> 7126<dd>the magick wand. </dd> 7127 7128<dd> </dd> 7129<dt>ticks_per_second</dt> 7130<dd>the units to use for the image delay. </dd> 7131 7132<dd> </dd> 7133</dl> 7134<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageType">MagickSetImageType</a></h2> 7135 7136<p>MagickSetImageType() sets the image type.</p> 7137 7138<p>The format of the MagickSetImageType method is:</p> 7139 7140<pre class="text"> 7141MagickBooleanType MagickSetImageType(MagickWand *wand, 7142 const ImageType image_type) 7143</pre> 7144 7145<p>A description of each parameter follows:</p> 7146 7147<dd> 7148</dd> 7149 7150<dd> </dd> 7151<dl class="dl-horizontal"> 7152<dt>wand</dt> 7153<dd>the magick wand. </dd> 7154 7155<dd> </dd> 7156<dt>image_type</dt> 7157<dd>the image type: UndefinedType, BilevelType, GrayscaleType, GrayscaleAlphaType, PaletteType, PaletteAlphaType, TrueColorType, TrueColorAlphaType, ColorSeparationType, ColorSeparationAlphaType, or OptimizeType. </dd> 7158 7159<dd> </dd> 7160</dl> 7161<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageUnits">MagickSetImageUnits</a></h2> 7162 7163<p>MagickSetImageUnits() sets the image units of resolution.</p> 7164 7165<p>The format of the MagickSetImageUnits method is:</p> 7166 7167<pre class="text"> 7168MagickBooleanType MagickSetImageUnits(MagickWand *wand, 7169 const ResolutionType units) 7170</pre> 7171 7172<p>A description of each parameter follows:</p> 7173 7174<dd> 7175</dd> 7176 7177<dd> </dd> 7178<dl class="dl-horizontal"> 7179<dt>wand</dt> 7180<dd>the magick wand. </dd> 7181 7182<dd> </dd> 7183<dt>units</dt> 7184<dd>the image units of resolution : UndefinedResolution, PixelsPerInchResolution, or PixelsPerCentimeterResolution. </dd> 7185 7186<dd> </dd> 7187</dl> 7188<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageVirtualPixelMethod">MagickSetImageVirtualPixelMethod</a></h2> 7189 7190<p>MagickSetImageVirtualPixelMethod() sets the image virtual pixel method.</p> 7191 7192<p>The format of the MagickSetImageVirtualPixelMethod method is:</p> 7193 7194<pre class="text"> 7195VirtualPixelMethod MagickSetImageVirtualPixelMethod(MagickWand *wand, 7196 const VirtualPixelMethod method) 7197</pre> 7198 7199<p>A description of each parameter follows:</p> 7200 7201<dd> 7202</dd> 7203 7204<dd> </dd> 7205<dl class="dl-horizontal"> 7206<dt>wand</dt> 7207<dd>the magick wand. </dd> 7208 7209<dd> </dd> 7210<dt>method</dt> 7211<dd>the image virtual pixel method : UndefinedVirtualPixelMethod, ConstantVirtualPixelMethod, EdgeVirtualPixelMethod, MirrorVirtualPixelMethod, or TileVirtualPixelMethod. </dd> 7212 7213<dd> </dd> 7214</dl> 7215<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSetImageWhitePoint">MagickSetImageWhitePoint</a></h2> 7216 7217<p>MagickSetImageWhitePoint() sets the image chromaticity white point.</p> 7218 7219<p>The format of the MagickSetImageWhitePoint method is:</p> 7220 7221<pre class="text"> 7222MagickBooleanType MagickSetImageWhitePoint(MagickWand *wand, 7223 const double x,const double y,const double z) 7224</pre> 7225 7226<p>A description of each parameter follows:</p> 7227 7228<dd> 7229</dd> 7230 7231<dd> </dd> 7232<dl class="dl-horizontal"> 7233<dt>wand</dt> 7234<dd>the magick wand. </dd> 7235 7236<dd> </dd> 7237<dt>x</dt> 7238<dd>the white x-point. </dd> 7239 7240<dd> </dd> 7241<dt>y</dt> 7242<dd>the white y-point. </dd> 7243 7244<dd> </dd> 7245<dt>z</dt> 7246<dd>the white z-point. </dd> 7247 7248<dd> </dd> 7249</dl> 7250<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickShadeImage">MagickShadeImage</a></h2> 7251 7252<p>MagickShadeImage() shines a distant light on an image to create a three-dimensional effect. You control the positioning of the light with azimuth and elevation; azimuth is measured in degrees off the x axis and elevation is measured in pixels above the Z axis.</p> 7253 7254<p>The format of the MagickShadeImage method is:</p> 7255 7256<pre class="text"> 7257MagickBooleanType MagickShadeImage(MagickWand *wand, 7258 const MagickBooleanType gray,const double azimuth, 7259 const double elevation) 7260</pre> 7261 7262<p>A description of each parameter follows:</p> 7263 7264<dd> 7265</dd> 7266 7267<dd> </dd> 7268<dl class="dl-horizontal"> 7269<dt>wand</dt> 7270<dd>the magick wand. </dd> 7271 7272<dd> </dd> 7273<dt>gray</dt> 7274<dd>A value other than zero shades the intensity of each pixel. </dd> 7275 7276<dd> </dd> 7277<dt>azimuth, elevation</dt> 7278<dd> Define the light source direction. </dd> 7279 7280<dd> </dd> 7281</dl> 7282<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickShadowImage">MagickShadowImage</a></h2> 7283 7284<p>MagickShadowImage() simulates an image shadow.</p> 7285 7286<p>The format of the MagickShadowImage method is:</p> 7287 7288<pre class="text"> 7289MagickBooleanType MagickShadowImage(MagickWand *wand,const double alpha, 7290 const double sigma,const ssize_t x,const ssize_t y) 7291</pre> 7292 7293<p>A description of each parameter follows:</p> 7294 7295<dd> 7296</dd> 7297 7298<dd> </dd> 7299<dl class="dl-horizontal"> 7300<dt>wand</dt> 7301<dd>the magick wand. </dd> 7302 7303<dd> </dd> 7304<dt>alpha</dt> 7305<dd>percentage transparency. </dd> 7306 7307<dd> </dd> 7308<dt>sigma</dt> 7309<dd>the standard deviation of the Gaussian, in pixels. </dd> 7310 7311<dd> </dd> 7312<dt>x</dt> 7313<dd>the shadow x-offset. </dd> 7314 7315<dd> </dd> 7316<dt>y</dt> 7317<dd>the shadow y-offset. </dd> 7318 7319<dd> </dd> 7320</dl> 7321<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSharpenImage">MagickSharpenImage</a></h2> 7322 7323<p>MagickSharpenImage() sharpens an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, the radius should be larger than sigma. Use a radius of 0 and MagickSharpenImage() selects a suitable radius for you.</p> 7324 7325<p>The format of the MagickSharpenImage method is:</p> 7326 7327<pre class="text"> 7328MagickBooleanType MagickSharpenImage(MagickWand *wand, 7329 const double radius,const double sigma) 7330</pre> 7331 7332<p>A description of each parameter follows:</p> 7333 7334<dd> 7335</dd> 7336 7337<dd> </dd> 7338<dl class="dl-horizontal"> 7339<dt>wand</dt> 7340<dd>the magick wand. </dd> 7341 7342<dd> </dd> 7343<dt>radius</dt> 7344<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 7345 7346<dd> </dd> 7347<dt>sigma</dt> 7348<dd>the standard deviation of the Gaussian, in pixels. </dd> 7349 7350<dd> </dd> 7351</dl> 7352<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickShaveImage">MagickShaveImage</a></h2> 7353 7354<p>MagickShaveImage() shaves pixels from the image edges. It allocates the memory necessary for the new Image structure and returns a pointer to the new image.</p> 7355 7356<p>The format of the MagickShaveImage method is:</p> 7357 7358<pre class="text"> 7359MagickBooleanType MagickShaveImage(MagickWand *wand, 7360 const size_t columns,const size_t rows) 7361</pre> 7362 7363<p>A description of each parameter follows:</p> 7364 7365<dd> 7366</dd> 7367 7368<dd> </dd> 7369<dl class="dl-horizontal"> 7370<dt>wand</dt> 7371<dd>the magick wand. </dd> 7372 7373<dd> </dd> 7374<dt>columns</dt> 7375<dd>the number of columns in the scaled image. </dd> 7376 7377<dd> </dd> 7378<dt>rows</dt> 7379<dd>the number of rows in the scaled image. </dd> 7380 7381<dd> </dd> 7382 7383<dd> </dd> 7384</dl> 7385<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickShearImage">MagickShearImage</a></h2> 7386 7387<p>MagickShearImage() slides one edge of an image along the X or Y axis, creating a parallelogram. An X direction shear slides an edge along the X axis, while a Y direction shear slides an edge along the Y axis. The amount of the shear is controlled by a shear angle. For X direction shears, x_shear is measured relative to the Y axis, and similarly, for Y direction shears y_shear is measured relative to the X axis. Empty triangles left over from shearing the image are filled with the background color.</p> 7388 7389<p>The format of the MagickShearImage method is:</p> 7390 7391<pre class="text"> 7392MagickBooleanType MagickShearImage(MagickWand *wand, 7393 const PixelWand *background,const double x_shear,const double y_shear) 7394</pre> 7395 7396<p>A description of each parameter follows:</p> 7397 7398<dd> 7399</dd> 7400 7401<dd> </dd> 7402<dl class="dl-horizontal"> 7403<dt>wand</dt> 7404<dd>the magick wand. </dd> 7405 7406<dd> </dd> 7407<dt>background</dt> 7408<dd>the background pixel wand. </dd> 7409 7410<dd> </dd> 7411<dt>x_shear</dt> 7412<dd>the number of degrees to shear the image. </dd> 7413 7414<dd> </dd> 7415<dt>y_shear</dt> 7416<dd>the number of degrees to shear the image. </dd> 7417 7418<dd> </dd> 7419</dl> 7420<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSigmoidalContrastImage">MagickSigmoidalContrastImage</a></h2> 7421 7422<p>MagickSigmoidalContrastImage() adjusts the contrast of an image with a non-linear sigmoidal contrast algorithm. Increase the contrast of the image using a sigmoidal transfer function without saturating highlights or shadows. Contrast indicates how much to increase the contrast (0 is none; 3 is typical; 20 is pushing it); mid-point indicates where midtones fall in the resultant image (0 is white; 50 is middle-gray; 100 is black). Set sharpen to MagickTrue to increase the image contrast otherwise the contrast is reduced.</p> 7423 7424<p>The format of the MagickSigmoidalContrastImage method is:</p> 7425 7426<pre class="text"> 7427MagickBooleanType MagickSigmoidalContrastImage(MagickWand *wand, 7428 const MagickBooleanType sharpen,const double alpha,const double beta) 7429</pre> 7430 7431<p>A description of each parameter follows:</p> 7432 7433<dd> 7434</dd> 7435 7436<dd> </dd> 7437<dl class="dl-horizontal"> 7438<dt>wand</dt> 7439<dd>the magick wand. </dd> 7440 7441<dd> </dd> 7442<dt>sharpen</dt> 7443<dd>Increase or decrease image contrast. </dd> 7444 7445<dd> </dd> 7446<dt>alpha</dt> 7447<dd>strength of the contrast, the larger the number the more 'threshold-like' it becomes. </dd> 7448 7449<dd> </dd> 7450<dt>beta</dt> 7451<dd>midpoint of the function as a color value 0 to QuantumRange. </dd> 7452 7453<dd> </dd> 7454</dl> 7455<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSimilarityImage">MagickSimilarityImage</a></h2> 7456 7457<p>MagickSimilarityImage() compares the reference image of the image and returns the best match offset. In addition, it returns a similarity image such that an exact match location is completely white and if none of the pixels match, black, otherwise some gray level in-between.</p> 7458 7459<p>The format of the MagickSimilarityImage method is:</p> 7460 7461<pre class="text"> 7462MagickWand *MagickSimilarityImage(MagickWand *wand, 7463 const MagickWand *reference,const MetricType metric, 7464 const double similarity_threshold,RectangeInfo *offset, 7465 double *similarity) 7466</pre> 7467 7468<p>A description of each parameter follows:</p> 7469 7470<dd> 7471</dd> 7472 7473<dd> </dd> 7474<dl class="dl-horizontal"> 7475<dt>wand</dt> 7476<dd>the magick wand. </dd> 7477 7478<dd> </dd> 7479<dt>reference</dt> 7480<dd>the reference wand. </dd> 7481 7482<dd> </dd> 7483<dt>metric</dt> 7484<dd>the metric. </dd> 7485 7486<dd> </dd> 7487<dt>similarity_threshold</dt> 7488<dd>minimum distortion for (sub)image match. </dd> 7489 7490<dd> </dd> 7491<dt>offset</dt> 7492<dd>the best match offset of the reference image within the image. </dd> 7493 7494<dd> </dd> 7495<dt>similarity</dt> 7496<dd>the computed similarity between the images. </dd> 7497 7498<dd> </dd> 7499</dl> 7500<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSketchImage">MagickSketchImage</a></h2> 7501 7502<p>MagickSketchImage() simulates a pencil sketch. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and SketchImage() selects a suitable radius for you. Angle gives the angle of the blurring motion.</p> 7503 7504<p>The format of the MagickSketchImage method is:</p> 7505 7506<pre class="text"> 7507MagickBooleanType MagickSketchImage(MagickWand *wand, 7508 const double radius,const double sigma,const double angle) 7509</pre> 7510 7511<p>A description of each parameter follows:</p> 7512 7513<dd> 7514</dd> 7515 7516<dd> </dd> 7517<dl class="dl-horizontal"> 7518<dt>wand</dt> 7519<dd>the magick wand. </dd> 7520 7521<dd> </dd> 7522<dt>radius</dt> 7523<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 7524 7525<dd> </dd> 7526<dt>sigma</dt> 7527<dd>the standard deviation of the Gaussian, in pixels. </dd> 7528 7529<dd> </dd> 7530<dt>angle</dt> 7531<dd>apply the effect along this angle. </dd> 7532 7533<dd> </dd> 7534</dl> 7535<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSmushImages">MagickSmushImages</a></h2> 7536 7537<p>MagickSmushImages() takes all images from the current image pointer to the end of the image list and smushs them to each other top-to-bottom if the stack parameter is true, otherwise left-to-right.</p> 7538 7539<p>The format of the MagickSmushImages method is:</p> 7540 7541<pre class="text"> 7542MagickWand *MagickSmushImages(MagickWand *wand, 7543 const MagickBooleanType stack,const ssize_t offset) 7544</pre> 7545 7546<p>A description of each parameter follows:</p> 7547 7548<dd> 7549</dd> 7550 7551<dd> </dd> 7552<dl class="dl-horizontal"> 7553<dt>wand</dt> 7554<dd>the magick wand. </dd> 7555 7556<dd> </dd> 7557<dt>stack</dt> 7558<dd>By default, images are stacked left-to-right. Set stack to MagickTrue to stack them top-to-bottom. </dd> 7559 7560<dd> </dd> 7561<dt>offset</dt> 7562<dd>minimum distance in pixels between images. </dd> 7563 7564<dd> </dd> 7565</dl> 7566<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSolarizeImage">MagickSolarizeImage</a></h2> 7567 7568<p>MagickSolarizeImage() applies a special effect to the image, similar to the effect achieved in a photo darkroom by selectively exposing areas of photo sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the solarization.</p> 7569 7570<p>The format of the MagickSolarizeImage method is:</p> 7571 7572<pre class="text"> 7573MagickBooleanType MagickSolarizeImage(MagickWand *wand, 7574 const double threshold) 7575</pre> 7576 7577<p>A description of each parameter follows:</p> 7578 7579<dd> 7580</dd> 7581 7582<dd> </dd> 7583<dl class="dl-horizontal"> 7584<dt>wand</dt> 7585<dd>the magick wand. </dd> 7586 7587<dd> </dd> 7588<dt>threshold</dt> 7589<dd> Define the extent of the solarization. </dd> 7590 7591<dd> </dd> 7592</dl> 7593<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSparseColorImage">MagickSparseColorImage</a></h2> 7594 7595<p>MagickSparseColorImage(), given a set of coordinates, interpolates the colors found at those coordinates, across the whole image, using various methods.</p> 7596 7597<p>The format of the MagickSparseColorImage method is:</p> 7598 7599<pre class="text"> 7600MagickBooleanType MagickSparseColorImage(MagickWand *wand, 7601 const SparseColorMethod method,const size_t number_arguments, 7602 const double *arguments) 7603</pre> 7604 7605<p>A description of each parameter follows:</p> 7606 7607<dd> 7608</dd> 7609 7610<dd> </dd> 7611<dl class="dl-horizontal"> 7612<dt>image</dt> 7613<dd>the image to be sparseed. </dd> 7614 7615<dd> </dd> 7616<dt>method</dt> 7617<dd>the method of image sparseion. </dd> 7618 7619<dd> ArcSparseColorion will always ignore source image offset, and always 'bestfit' the destination image with the top left corner offset relative to the polar mapping center. </dd> 7620 7621<dd> Bilinear has no simple inverse mapping so will not allow 'bestfit' style of image sparseion. </dd> 7622 7623<dd> Affine, Perspective, and Bilinear, will do least squares fitting of the distrotion when more than the minimum number of control point pairs are provided. </dd> 7624 7625<dd> Perspective, and Bilinear, will fall back to a Affine sparseion when less than 4 control point pairs are provided. While Affine sparseions will let you use any number of control point pairs, that is Zero pairs is a No-Op (viewport only) distrotion, one pair is a translation and two pairs of control points will do a scale-rotate-translate, without any shearing. </dd> 7626 7627<dd> </dd> 7628<dt>number_arguments</dt> 7629<dd>the number of arguments given for this sparseion method. </dd> 7630 7631<dd> </dd> 7632<dt>arguments</dt> 7633<dd>the arguments for this sparseion method. </dd> 7634 7635<dd> </dd> 7636</dl> 7637<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSpliceImage">MagickSpliceImage</a></h2> 7638 7639<p>MagickSpliceImage() splices a solid color into the image.</p> 7640 7641<p>The format of the MagickSpliceImage method is:</p> 7642 7643<pre class="text"> 7644MagickBooleanType MagickSpliceImage(MagickWand *wand, 7645 const size_t width,const size_t height,const ssize_t x, 7646 const ssize_t y) 7647</pre> 7648 7649<p>A description of each parameter follows:</p> 7650 7651<dd> 7652</dd> 7653 7654<dd> </dd> 7655<dl class="dl-horizontal"> 7656<dt>wand</dt> 7657<dd>the magick wand. </dd> 7658 7659<dd> </dd> 7660<dt>width</dt> 7661<dd>the region width. </dd> 7662 7663<dd> </dd> 7664<dt>height</dt> 7665<dd>the region height. </dd> 7666 7667<dd> </dd> 7668<dt>x</dt> 7669<dd>the region x offset. </dd> 7670 7671<dd> </dd> 7672<dt>y</dt> 7673<dd>the region y offset. </dd> 7674 7675<dd> </dd> 7676</dl> 7677<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSpreadImage">MagickSpreadImage</a></h2> 7678 7679<p>MagickSpreadImage() is a special effects method that randomly displaces each pixel in a block defined by the radius parameter.</p> 7680 7681<p>The format of the MagickSpreadImage method is:</p> 7682 7683<pre class="text"> 7684MagickBooleanType MagickSpreadImage(MagickWand *wand, 7685 const PixelInterpolateMethod method,const double radius) 7686</pre> 7687 7688<p>A description of each parameter follows:</p> 7689 7690<dd> 7691</dd> 7692 7693<dd> </dd> 7694<dl class="dl-horizontal"> 7695<dt>wand</dt> 7696<dd>the magick wand. </dd> 7697 7698<dd> </dd> 7699<dt>method</dt> 7700<dd> intepolation method. </dd> 7701 7702<dd> </dd> 7703<dt>radius</dt> 7704<dd> Choose a random pixel in a neighborhood of this extent. </dd> 7705 7706<dd> </dd> 7707</dl> 7708<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickStatisticImage">MagickStatisticImage</a></h2> 7709 7710<p>MagickStatisticImage() replace each pixel with corresponding statistic from the neighborhood of the specified width and height.</p> 7711 7712<p>The format of the MagickStatisticImage method is:</p> 7713 7714<pre class="text"> 7715MagickBooleanType MagickStatisticImage(MagickWand *wand, 7716 const StatisticType type,const double width,const size_t height) 7717</pre> 7718 7719<p>A description of each parameter follows:</p> 7720 7721<dd> 7722</dd> 7723 7724<dd> </dd> 7725<dl class="dl-horizontal"> 7726<dt>wand</dt> 7727<dd>the magick wand. </dd> 7728 7729<dd> </dd> 7730<dt>type</dt> 7731<dd>the statistic type (e.g. median, mode, etc.). </dd> 7732 7733<dd> </dd> 7734<dt>width</dt> 7735<dd>the width of the pixel neighborhood. </dd> 7736 7737<dd> </dd> 7738<dt>height</dt> 7739<dd>the height of the pixel neighborhood. </dd> 7740 7741<dd> </dd> 7742</dl> 7743<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSteganoImage">MagickSteganoImage</a></h2> 7744 7745<p>MagickSteganoImage() hides a digital watermark within the image. Recover the hidden watermark later to prove that the authenticity of an image. Offset defines the start position within the image to hide the watermark.</p> 7746 7747<p>The format of the MagickSteganoImage method is:</p> 7748 7749<pre class="text"> 7750MagickWand *MagickSteganoImage(MagickWand *wand, 7751 const MagickWand *watermark_wand,const ssize_t offset) 7752</pre> 7753 7754<p>A description of each parameter follows:</p> 7755 7756<dd> 7757</dd> 7758 7759<dd> </dd> 7760<dl class="dl-horizontal"> 7761<dt>wand</dt> 7762<dd>the magick wand. </dd> 7763 7764<dd> </dd> 7765<dt>watermark_wand</dt> 7766<dd>the watermark wand. </dd> 7767 7768<dd> </dd> 7769<dt>offset</dt> 7770<dd>Start hiding at this offset into the image. </dd> 7771 7772<dd> </dd> 7773</dl> 7774<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickStereoImage">MagickStereoImage</a></h2> 7775 7776<p>MagickStereoImage() composites two images and produces a single image that is the composite of a left and right image of a stereo pair</p> 7777 7778<p>The format of the MagickStereoImage method is:</p> 7779 7780<pre class="text"> 7781MagickWand *MagickStereoImage(MagickWand *wand, 7782 const MagickWand *offset_wand) 7783</pre> 7784 7785<p>A description of each parameter follows:</p> 7786 7787<dd> 7788</dd> 7789 7790<dd> </dd> 7791<dl class="dl-horizontal"> 7792<dt>wand</dt> 7793<dd>the magick wand. </dd> 7794 7795<dd> </dd> 7796<dt>offset_wand</dt> 7797<dd>Another image wand. </dd> 7798 7799<dd> </dd> 7800</dl> 7801<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickStripImage">MagickStripImage</a></h2> 7802 7803<p>MagickStripImage() strips an image of all profiles and comments.</p> 7804 7805<p>The format of the MagickStripImage method is:</p> 7806 7807<pre class="text"> 7808MagickBooleanType MagickStripImage(MagickWand *wand) 7809</pre> 7810 7811<p>A description of each parameter follows:</p> 7812 7813<dd> 7814</dd> 7815 7816<dd> </dd> 7817<dl class="dl-horizontal"> 7818<dt>wand</dt> 7819<dd>the magick wand. </dd> 7820 7821<dd> </dd> 7822</dl> 7823<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickSwirlImage">MagickSwirlImage</a></h2> 7824 7825<p>MagickSwirlImage() swirls the pixels about the center of the image, where degrees indicates the sweep of the arc through which each pixel is moved. You get a more dramatic effect as the degrees move from 1 to 360.</p> 7826 7827<p>The format of the MagickSwirlImage method is:</p> 7828 7829<pre class="text"> 7830MagickBooleanType MagickSwirlImage(MagickWand *wand,const double degrees, 7831 const PixelInterpolateMethod method) 7832</pre> 7833 7834<p>A description of each parameter follows:</p> 7835 7836<dd> 7837</dd> 7838 7839<dd> </dd> 7840<dl class="dl-horizontal"> 7841<dt>wand</dt> 7842<dd>the magick wand. </dd> 7843 7844<dd> </dd> 7845<dt>degrees</dt> 7846<dd>Define the tightness of the swirling effect. </dd> 7847 7848<dd> </dd> 7849<dt>method</dt> 7850<dd>the pixel interpolation method. </dd> 7851 7852<dd> </dd> 7853</dl> 7854<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickTextureImage">MagickTextureImage</a></h2> 7855 7856<p>MagickTextureImage() repeatedly tiles the texture image across and down the image canvas.</p> 7857 7858<p>The format of the MagickTextureImage method is:</p> 7859 7860<pre class="text"> 7861MagickWand *MagickTextureImage(MagickWand *wand, 7862 const MagickWand *texture_wand) 7863</pre> 7864 7865<p>A description of each parameter follows:</p> 7866 7867<dd> 7868</dd> 7869 7870<dd> </dd> 7871<dl class="dl-horizontal"> 7872<dt>wand</dt> 7873<dd>the magick wand. </dd> 7874 7875<dd> </dd> 7876<dt>texture_wand</dt> 7877<dd>the texture wand </dd> 7878 7879<dd> </dd> 7880</dl> 7881<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickThresholdImage">MagickThresholdImage</a></h2> 7882 7883<p>MagickThresholdImage() changes the value of individual pixels based on the intensity of each pixel compared to threshold. The result is a high-contrast, two color image.</p> 7884 7885<p>The format of the MagickThresholdImage method is:</p> 7886 7887<pre class="text"> 7888MagickBooleanType MagickThresholdImage(MagickWand *wand, 7889 const double threshold) 7890MagickBooleanType MagickThresholdImageChannel(MagickWand *wand, 7891 const ChannelType channel,const double threshold) 7892</pre> 7893 7894<p>A description of each parameter follows:</p> 7895 7896<dd> 7897</dd> 7898 7899<dd> </dd> 7900<dl class="dl-horizontal"> 7901<dt>wand</dt> 7902<dd>the magick wand. </dd> 7903 7904<dd> </dd> 7905<dt>channel</dt> 7906<dd>the image channel(s). </dd> 7907 7908<dd> </dd> 7909<dt>threshold</dt> 7910<dd>Define the threshold value. </dd> 7911 7912<dd> </dd> 7913</dl> 7914<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickThumbnailImage">MagickThumbnailImage</a></h2> 7915 7916<p>MagickThumbnailImage() changes the size of an image to the given dimensions and removes any associated profiles. The goal is to produce small low cost thumbnail images suited for display on the Web.</p> 7917 7918<p>The format of the MagickThumbnailImage method is:</p> 7919 7920<pre class="text"> 7921MagickBooleanType MagickThumbnailImage(MagickWand *wand, 7922 const size_t columns,const size_t rows) 7923</pre> 7924 7925<p>A description of each parameter follows:</p> 7926 7927<dd> 7928</dd> 7929 7930<dd> </dd> 7931<dl class="dl-horizontal"> 7932<dt>wand</dt> 7933<dd>the magick wand. </dd> 7934 7935<dd> </dd> 7936<dt>columns</dt> 7937<dd>the number of columns in the scaled image. </dd> 7938 7939<dd> </dd> 7940<dt>rows</dt> 7941<dd>the number of rows in the scaled image. </dd> 7942 7943<dd> </dd> 7944</dl> 7945<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickTintImage">MagickTintImage</a></h2> 7946 7947<p>MagickTintImage() applies a color vector to each pixel in the image. The length of the vector is 0 for black and white and at its maximum for the midtones. The vector weighting function is f(x)=(1-(4.0*((x-0.5)*(x-0.5)))).</p> 7948 7949<p>The format of the MagickTintImage method is:</p> 7950 7951<pre class="text"> 7952MagickBooleanType MagickTintImage(MagickWand *wand, 7953 const PixelWand *tint,const PixelWand *blend) 7954</pre> 7955 7956<p>A description of each parameter follows:</p> 7957 7958<dd> 7959</dd> 7960 7961<dd> </dd> 7962<dl class="dl-horizontal"> 7963<dt>wand</dt> 7964<dd>the magick wand. </dd> 7965 7966<dd> </dd> 7967<dt>tint</dt> 7968<dd>the tint pixel wand. </dd> 7969 7970<dd> </dd> 7971<dt>alpha</dt> 7972<dd>the alpha pixel wand. </dd> 7973 7974<dd> </dd> 7975</dl> 7976<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickTransformImageColorspace">MagickTransformImageColorspace</a></h2> 7977 7978<p>MagickTransformImageColorspace() transform the image colorspace, setting the images colorspace while transforming the images data to that colorspace.</p> 7979 7980<p>The format of the MagickTransformImageColorspace method is:</p> 7981 7982<pre class="text"> 7983MagickBooleanType MagickTransformImageColorspace(MagickWand *wand, 7984 const ColorspaceType colorspace) 7985</pre> 7986 7987<p>A description of each parameter follows:</p> 7988 7989<dd> 7990</dd> 7991 7992<dd> </dd> 7993<dl class="dl-horizontal"> 7994<dt>wand</dt> 7995<dd>the magick wand. </dd> 7996 7997<dd> </dd> 7998<dt>colorspace</dt> 7999<dd>the image colorspace: UndefinedColorspace, sRGBColorspace, RGBColorspace, GRAYColorspace, OHTAColorspace, XYZColorspace, YCbCrColorspace, YCCColorspace, YIQColorspace, YPbPrColorspace, YPbPrColorspace, YUVColorspace, CMYKColorspace, HSLColorspace, HWBColorspace. </dd> 8000 8001<dd> </dd> 8002</dl> 8003<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickTransparentPaintImage">MagickTransparentPaintImage</a></h2> 8004 8005<p>MagickTransparentPaintImage() changes any pixel that matches color with the color defined by fill.</p> 8006 8007<p>The format of the MagickTransparentPaintImage method is:</p> 8008 8009<pre class="text"> 8010MagickBooleanType MagickTransparentPaintImage(MagickWand *wand, 8011 const PixelWand *target,const double alpha,const double fuzz, 8012 const MagickBooleanType invert) 8013</pre> 8014 8015<p>A description of each parameter follows:</p> 8016 8017<dd> 8018</dd> 8019 8020<dd> </dd> 8021<dl class="dl-horizontal"> 8022<dt>wand</dt> 8023<dd>the magick wand. </dd> 8024 8025<dd> </dd> 8026<dt>target</dt> 8027<dd>Change this target color to specified alpha value within the image. </dd> 8028 8029<dd> </dd> 8030<dt>alpha</dt> 8031<dd>the level of transparency: 1.0 is fully opaque and 0.0 is fully transparent. </dd> 8032 8033<dd> </dd> 8034<dt>fuzz</dt> 8035<dd>By default target must match a particular pixel color exactly. However, in many cases two colors may differ by a small amount. The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same. For example, set fuzz to 10 and the color red at intensities of 100 and 102 respectively are now interpreted as the same color for the purposes of the floodfill. </dd> 8036 8037<dd> </dd> 8038<dt>invert</dt> 8039<dd>paint any pixel that does not match the target color. </dd> 8040 8041<dd> </dd> 8042</dl> 8043<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickTransposeImage">MagickTransposeImage</a></h2> 8044 8045<p>MagickTransposeImage() creates a vertical mirror image by reflecting the pixels around the central x-axis while rotating them 90-degrees.</p> 8046 8047<p>The format of the MagickTransposeImage method is:</p> 8048 8049<pre class="text"> 8050MagickBooleanType MagickTransposeImage(MagickWand *wand) 8051</pre> 8052 8053<p>A description of each parameter follows:</p> 8054 8055<dd> 8056</dd> 8057 8058<dd> </dd> 8059<dl class="dl-horizontal"> 8060<dt>wand</dt> 8061<dd>the magick wand. </dd> 8062 8063<dd> </dd> 8064</dl> 8065<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickTransverseImage">MagickTransverseImage</a></h2> 8066 8067<p>MagickTransverseImage() creates a horizontal mirror image by reflecting the pixels around the central y-axis while rotating them 270-degrees.</p> 8068 8069<p>The format of the MagickTransverseImage method is:</p> 8070 8071<pre class="text"> 8072MagickBooleanType MagickTransverseImage(MagickWand *wand) 8073</pre> 8074 8075<p>A description of each parameter follows:</p> 8076 8077<dd> 8078</dd> 8079 8080<dd> </dd> 8081<dl class="dl-horizontal"> 8082<dt>wand</dt> 8083<dd>the magick wand. </dd> 8084 8085<dd> </dd> 8086</dl> 8087<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickTrimImage">MagickTrimImage</a></h2> 8088 8089<p>MagickTrimImage() remove edges that are the background color from the image.</p> 8090 8091<p>The format of the MagickTrimImage method is:</p> 8092 8093<pre class="text"> 8094MagickBooleanType MagickTrimImage(MagickWand *wand,const double fuzz) 8095</pre> 8096 8097<p>A description of each parameter follows:</p> 8098 8099<dd> 8100</dd> 8101 8102<dd> </dd> 8103<dl class="dl-horizontal"> 8104<dt>wand</dt> 8105<dd>the magick wand. </dd> 8106 8107<dd> </dd> 8108<dt>fuzz</dt> 8109<dd>By default target must match a particular pixel color exactly. However, in many cases two colors may differ by a small amount. The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same. For example, set fuzz to 10 and the color red at intensities of 100 and 102 respectively are now interpreted as the same color for the purposes of the floodfill. </dd> 8110 8111<dd> </dd> 8112</dl> 8113<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickUniqueImageColors">MagickUniqueImageColors</a></h2> 8114 8115<p>MagickUniqueImageColors() discards all but one of any pixel color.</p> 8116 8117<p>The format of the MagickUniqueImageColors method is:</p> 8118 8119<pre class="text"> 8120MagickBooleanType MagickUniqueImageColors(MagickWand *wand) 8121</pre> 8122 8123<p>A description of each parameter follows:</p> 8124 8125<dd> 8126</dd> 8127 8128<dd> </dd> 8129<dl class="dl-horizontal"> 8130<dt>wand</dt> 8131<dd>the magick wand. </dd> 8132 8133<dd> </dd> 8134</dl> 8135<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickUnsharpMaskImage">MagickUnsharpMaskImage</a></h2> 8136 8137<p>MagickUnsharpMaskImage() sharpens an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and UnsharpMaskImage() selects a suitable radius for you.</p> 8138 8139<p>The format of the MagickUnsharpMaskImage method is:</p> 8140 8141<pre class="text"> 8142MagickBooleanType MagickUnsharpMaskImage(MagickWand *wand, 8143 const double radius,const double sigma,const double gain, 8144 const double threshold) 8145</pre> 8146 8147<p>A description of each parameter follows:</p> 8148 8149<dd> 8150</dd> 8151 8152<dd> </dd> 8153<dl class="dl-horizontal"> 8154<dt>wand</dt> 8155<dd>the magick wand. </dd> 8156 8157<dd> </dd> 8158<dt>radius</dt> 8159<dd>the radius of the Gaussian, in pixels, not counting the center pixel. </dd> 8160 8161<dd> </dd> 8162<dt>sigma</dt> 8163<dd>the standard deviation of the Gaussian, in pixels. </dd> 8164 8165<dd> </dd> 8166<dt>gain</dt> 8167<dd>the percentage of the difference between the original and the blur image that is added back into the original. </dd> 8168 8169<dd> </dd> 8170<dt>threshold</dt> 8171<dd>the threshold in pixels needed to apply the diffence gain. </dd> 8172 8173<dd> </dd> 8174</dl> 8175<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickVignetteImage">MagickVignetteImage</a></h2> 8176 8177<p>MagickVignetteImage() softens the edges of the image in vignette style.</p> 8178 8179<p>The format of the MagickVignetteImage method is:</p> 8180 8181<pre class="text"> 8182MagickBooleanType MagickVignetteImage(MagickWand *wand, 8183 const double radius,const double sigma,const ssize_t x, 8184 const ssize_t y) 8185</pre> 8186 8187<p>A description of each parameter follows:</p> 8188 8189<dd> 8190</dd> 8191 8192<dd> </dd> 8193<dl class="dl-horizontal"> 8194<dt>wand</dt> 8195<dd>the magick wand. </dd> 8196 8197<dd> </dd> 8198<dt>radius</dt> 8199<dd>the radius. </dd> 8200 8201<dd> </dd> 8202<dt>sigma</dt> 8203<dd>the sigma. </dd> 8204 8205<dd> </dd> 8206<dt>x, y</dt> 8207<dd> Define the x and y ellipse offset. </dd> 8208 8209<dd> </dd> 8210</dl> 8211<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickWaveImage">MagickWaveImage</a></h2> 8212 8213<p>MagickWaveImage() creates a "ripple" effect in the image by shifting the pixels vertically along a sine wave whose amplitude and wavelength is specified by the given parameters.</p> 8214 8215<p>The format of the MagickWaveImage method is:</p> 8216 8217<pre class="text"> 8218MagickBooleanType MagickWaveImage(MagickWand *wand, 8219 const double amplitude,const double wave_length, 8220 const PixelInterpolateMethod method) 8221</pre> 8222 8223<p>A description of each parameter follows:</p> 8224 8225<dd> 8226</dd> 8227 8228<dd> </dd> 8229<dl class="dl-horizontal"> 8230<dt>wand</dt> 8231<dd>the magick wand. </dd> 8232 8233<dd> </dd> 8234<dt>amplitude, wave_length</dt> 8235<dd> Define the amplitude and wave length of the sine wave. </dd> 8236 8237<dd> </dd> 8238<dt>method</dt> 8239<dd>the pixel interpolation method. </dd> 8240 8241<dd> </dd> 8242</dl> 8243<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickWaveletDenoiseImage">MagickWaveletDenoiseImage</a></h2> 8244 8245<p>MagickWaveletDenoiseImage() removes noise from the image using a wavelet transform. The wavelet transform is a fast hierarchical scheme for processing an image using a set of consecutive lowpass and high_pass filters, followed by a decimation. This results in a decomposition into different scales which can be regarded as different “frequency bands”, determined by the mother wavelet.</p> 8246 8247<p>The format of the MagickWaveletDenoiseImage method is:</p> 8248 8249<pre class="text"> 8250MagickBooleanType MagickWaveletDenoiseImage(MagickWand *wand, 8251 const double threshold,const double softness) 8252</pre> 8253 8254<p>A description of each parameter follows:</p> 8255 8256<dd> 8257</dd> 8258 8259<dd> </dd> 8260<dl class="dl-horizontal"> 8261<dt>wand</dt> 8262<dd>the magick wand. </dd> 8263 8264<dd> </dd> 8265<dt>threshold</dt> 8266<dd>set the threshold for smoothing. </dd> 8267 8268<dd> </dd> 8269<dt>softness</dt> 8270<dd>attenuate the smoothing threshold. </dd> 8271 8272<dd> </dd> 8273</dl> 8274<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickWhiteBalanceImage">MagickWhiteBalanceImage</a></h2> 8275 8276<p>MagickWhiteBalanceImage() applies white balancing to an image according to a grayworld assumption in the LAB colorspace.</p> 8277 8278<p>The format of the WhiteBalanceImage method is:</p> 8279 8280<pre class="text"> 8281MagickBooleanType WhiteBalanceImage(MagickWand *wand) 8282</pre> 8283 8284<p>A description of each parameter follows:</p> 8285 8286<dd> 8287</dd> 8288 8289<dd> </dd> 8290<dl class="dl-horizontal"> 8291<dt>wand</dt> 8292<dd>the magick wand. </dd> 8293 8294<dd> </dd> 8295</dl> 8296<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickWhiteThresholdImage">MagickWhiteThresholdImage</a></h2> 8297 8298<p>MagickWhiteThresholdImage() is like ThresholdImage() but force all pixels above the threshold into white while leaving all pixels below the threshold unchanged.</p> 8299 8300<p>The format of the MagickWhiteThresholdImage method is:</p> 8301 8302<pre class="text"> 8303MagickBooleanType MagickWhiteThresholdImage(MagickWand *wand, 8304 const PixelWand *threshold) 8305</pre> 8306 8307<p>A description of each parameter follows:</p> 8308 8309<dd> 8310</dd> 8311 8312<dd> </dd> 8313<dl class="dl-horizontal"> 8314<dt>wand</dt> 8315<dd>the magick wand. </dd> 8316 8317<dd> </dd> 8318<dt>threshold</dt> 8319<dd>the pixel wand. </dd> 8320 8321<dd> </dd> 8322</dl> 8323<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickWriteImage">MagickWriteImage</a></h2> 8324 8325<p>MagickWriteImage() writes an image to the specified filename. If the filename parameter is NULL, the image is written to the filename set by MagickReadImage() or MagickSetImageFilename().</p> 8326 8327<p>The format of the MagickWriteImage method is:</p> 8328 8329<pre class="text"> 8330MagickBooleanType MagickWriteImage(MagickWand *wand, 8331 const char *filename) 8332</pre> 8333 8334<p>A description of each parameter follows:</p> 8335 8336<dd> 8337</dd> 8338 8339<dd> </dd> 8340<dl class="dl-horizontal"> 8341<dt>wand</dt> 8342<dd>the magick wand. </dd> 8343 8344<dd> </dd> 8345<dt>filename</dt> 8346<dd>the image filename. </dd> 8347 8348<dd> </dd> 8349 8350<dd> </dd> 8351</dl> 8352<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickWriteImageFile">MagickWriteImageFile</a></h2> 8353 8354<p>MagickWriteImageFile() writes an image to an open file descriptor.</p> 8355 8356<p>The format of the MagickWriteImageFile method is:</p> 8357 8358<pre class="text"> 8359MagickBooleanType MagickWriteImageFile(MagickWand *wand,FILE *file) 8360</pre> 8361 8362<p>A description of each parameter follows:</p> 8363 8364<dd> 8365</dd> 8366 8367<dd> </dd> 8368<dl class="dl-horizontal"> 8369<dt>wand</dt> 8370<dd>the magick wand. </dd> 8371 8372<dd> </dd> 8373<dt>file</dt> 8374<dd>the file descriptor. </dd> 8375 8376<dd> </dd> 8377</dl> 8378<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickWriteImages">MagickWriteImages</a></h2> 8379 8380<p>MagickWriteImages() writes an image or image sequence.</p> 8381 8382<p>The format of the MagickWriteImages method is:</p> 8383 8384<pre class="text"> 8385MagickBooleanType MagickWriteImages(MagickWand *wand, 8386 const char *filename,const MagickBooleanType adjoin) 8387</pre> 8388 8389<p>A description of each parameter follows:</p> 8390 8391<dd> 8392</dd> 8393 8394<dd> </dd> 8395<dl class="dl-horizontal"> 8396<dt>wand</dt> 8397<dd>the magick wand. </dd> 8398 8399<dd> </dd> 8400<dt>filename</dt> 8401<dd>the image filename. </dd> 8402 8403<dd> </dd> 8404<dt>adjoin</dt> 8405<dd>join images into a single multi-image file. </dd> 8406 8407<dd> </dd> 8408</dl> 8409<h2><a href="../../api/MagickWand/magick-image_8c.html" id="MagickWriteImagesFile">MagickWriteImagesFile</a></h2> 8410 8411<p>MagickWriteImagesFile() writes an image sequence to an open file descriptor.</p> 8412 8413<p>The format of the MagickWriteImagesFile method is:</p> 8414 8415<pre class="text"> 8416MagickBooleanType MagickWriteImagesFile(MagickWand *wand,FILE *file) 8417</pre> 8418 8419<p>A description of each parameter follows:</p> 8420 8421<dd> 8422</dd> 8423 8424<dd> </dd> 8425<dl class="dl-horizontal"> 8426<dt>wand</dt> 8427<dd>the magick wand. </dd> 8428 8429<dd> </dd> 8430<dt>file</dt> 8431<dd>the file descriptor. </dd> 8432 8433<dd> </dd> 8434</dl> 8435</div> 8436 </div> 8437 </main><!-- /.container --> 8438 <footer class="magick-footer"> 8439 <div class="container-fluid"> 8440 <a href="../../www/security-policy.html">Security</a> • 8441 <a href="../../www/news.html">News</a> 8442 8443 <a 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