1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef WebFilterOperations_h 27 #define WebFilterOperations_h 28 29 #include "SkImageFilter.h" 30 #include "SkScalar.h" 31 #include "WebColor.h" 32 #include "WebPoint.h" 33 34 namespace blink { 35 36 // An ordered list of filter operations. 37 class WebFilterOperations { 38 public: ~WebFilterOperations()39 virtual ~WebFilterOperations() { } 40 41 virtual void appendGrayscaleFilter(float amount) = 0; 42 virtual void appendSepiaFilter(float amount) = 0; 43 virtual void appendSaturateFilter(float amount) = 0; 44 virtual void appendHueRotateFilter(float amount) = 0; 45 virtual void appendInvertFilter(float amount) = 0; 46 virtual void appendBrightnessFilter(float amount) = 0; 47 virtual void appendContrastFilter(float amount) = 0; 48 virtual void appendOpacityFilter(float amount)= 0; 49 virtual void appendBlurFilter(float amount) = 0; 50 virtual void appendDropShadowFilter(WebPoint offset, float stdDeviation, WebColor) = 0; 51 virtual void appendColorMatrixFilter(SkScalar matrix[20]) = 0; 52 virtual void appendZoomFilter(float amount, int inset) = 0; 53 virtual void appendSaturatingBrightnessFilter(float amount) = 0; 54 55 // This grabs a ref on the passed-in filter. 56 virtual void appendReferenceFilter(SkImageFilter*) = 0; 57 58 virtual void clear() = 0; 59 }; 60 61 } // namespace blink 62 63 #endif // WebFilterOperations_h 64