Lines Matching refs:grayscale
193 (three components per pixel) or grayscale data (one component per pixel).
196 programs don't work with grayscale JPEG files.
199 or full grayscale (or sometimes another colorspace such as CMYK). You can
329 RGB or grayscale, and input_components is 3 or 1 accordingly. (See "Special
663 formats", above. Don't forget that grayscale and color JPEGs will return
916 NOTE: the overhead of restart markers is higher in grayscale JPEG
941 (ie, YCbCr or grayscale) is selected, otherwise FALSE.
1008 for grayscale where 1,1 is used.
1066 based on jpeg_color_space; typically it will be RGB or grayscale.
1068 colorspace. For example, set it to JCS_GRAYSCALE to get grayscale
1069 output from a color file. (This is useful for previewing: grayscale
1190 existing de-facto JPEG file format standards specify YCbCr or grayscale data
1191 (JFIF), or grayscale, RGB, YCbCr, CMYK, or YCCK (Adobe). For special
1245 application can force grayscale JPEGs to look like color JPEGs if it only
2342 selected JPEG colorspace is grayscale or YCbCr, or an Adobe APP14 marker if
2823 grayscale), but it doesn't depend on image dimensions.
2826 is about 34 bytes * width in pixels for a color image. A grayscale image
2832 6 bytes/pixel. For grayscale, figure 2 bytes/pixel.