1049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project// Copyright 2012 The Chromium Authors. All rights reserved. 2049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project// Use of this source code is governed by a BSD-style license that can be 3049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project// found in the LICENSE file. 4049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 5049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "cc/output/render_surface_filters.h" 6049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 7a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#include <algorithm> 8049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 9049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "cc/output/filter_operation.h" 10049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "cc/output/filter_operations.h" 11049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "skia/ext/refptr.h" 12049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "third_party/skia/include/core/SkImageFilter.h" 13049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "third_party/skia/include/effects/SkAlphaThresholdFilter.h" 14049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "third_party/skia/include/effects/SkBlurImageFilter.h" 15049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "third_party/skia/include/effects/SkColorFilterImageFilter.h" 16049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "third_party/skia/include/effects/SkColorMatrixFilter.h" 17049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "third_party/skia/include/effects/SkComposeImageFilter.h" 18049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "third_party/skia/include/effects/SkDropShadowImageFilter.h" 19049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "third_party/skia/include/effects/SkMagnifierImageFilter.h" 20049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "third_party/skia/include/effects/SkRectShaderImageFilter.h" 21049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "ui/gfx/geometry/size_f.h" 22049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 23049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectnamespace cc { 24a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 25049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectnamespace { 26049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 27049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectvoid GetBrightnessMatrix(float amount, SkScalar matrix[20]) { 28049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project // Spec implementation 29049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project // (http://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html#brightnessEquivalent) 30049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project // <feFunc[R|G|B] type="linear" slope="[amount]"> 31049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memset(matrix, 0, 20 * sizeof(SkScalar)); 32049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[0] = matrix[6] = matrix[12] = amount; 33049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[18] = 1.f; 34049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project} 35049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 36049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectvoid GetSaturatingBrightnessMatrix(float amount, SkScalar matrix[20]) { 37049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project // Legacy implementation used by internal clients. 38049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project // <feFunc[R|G|B] type="linear" intercept="[amount]"/> 39049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memset(matrix, 0, 20 * sizeof(SkScalar)); 40049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[0] = matrix[6] = matrix[12] = matrix[18] = 1.f; 41049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[4] = matrix[9] = matrix[14] = amount * 255.f; 42049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project} 43049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 44049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectvoid GetContrastMatrix(float amount, SkScalar matrix[20]) { 45049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memset(matrix, 0, 20 * sizeof(SkScalar)); 46049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[0] = matrix[6] = matrix[12] = amount; 47049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[4] = matrix[9] = matrix[14] = (-0.5f * amount + 0.5f) * 255.f; 48049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[18] = 1.f; 49049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project} 50049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 51049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectvoid GetSaturateMatrix(float amount, SkScalar matrix[20]) { 52049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project // Note, these values are computed to ensure MatrixNeedsClamping is false 53049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project // for amount in [0..1] 54049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[0] = 0.213f + 0.787f * amount; 55049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[1] = 0.715f - 0.715f * amount; 56049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[2] = 1.f - (matrix[0] + matrix[1]); 57049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[3] = matrix[4] = 0.f; 58049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[5] = 0.213f - 0.213f * amount; 59049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[6] = 0.715f + 0.285f * amount; 60049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[7] = 1.f - (matrix[5] + matrix[6]); 61049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[8] = matrix[9] = 0.f; 62049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[10] = 0.213f - 0.213f * amount; 63049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[11] = 0.715f - 0.715f * amount; 64049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[12] = 1.f - (matrix[10] + matrix[11]); 65049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[13] = matrix[14] = 0.f; 66049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[15] = matrix[16] = matrix[17] = matrix[19] = 0.f; 67049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[18] = 1.f; 68049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project} 69049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 70049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectvoid GetHueRotateMatrix(float hue, SkScalar matrix[20]) { 71049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const float kPi = 3.1415926535897932384626433832795f; 72049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 73049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project float cos_hue = cosf(hue * kPi / 180.f); 74049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project float sin_hue = sinf(hue * kPi / 180.f); 75049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[0] = 0.213f + cos_hue * 0.787f - sin_hue * 0.213f; 76049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[1] = 0.715f - cos_hue * 0.715f - sin_hue * 0.715f; 77049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[2] = 0.072f - cos_hue * 0.072f + sin_hue * 0.928f; 78049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[3] = matrix[4] = 0.f; 79049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[5] = 0.213f - cos_hue * 0.213f + sin_hue * 0.143f; 80049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[6] = 0.715f + cos_hue * 0.285f + sin_hue * 0.140f; 81049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[7] = 0.072f - cos_hue * 0.072f - sin_hue * 0.283f; 82049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[8] = matrix[9] = 0.f; 83049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[10] = 0.213f - cos_hue * 0.213f - sin_hue * 0.787f; 84049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[11] = 0.715f - cos_hue * 0.715f + sin_hue * 0.715f; 85049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[12] = 0.072f + cos_hue * 0.928f + sin_hue * 0.072f; 86049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[13] = matrix[14] = 0.f; 87049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[15] = matrix[16] = matrix[17] = 0.f; 88049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[18] = 1.f; 89049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[19] = 0.f; 90049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project} 91049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 92049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectvoid GetInvertMatrix(float amount, SkScalar matrix[20]) { 93049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memset(matrix, 0, 20 * sizeof(SkScalar)); 94049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[0] = matrix[6] = matrix[12] = 1.f - 2.f * amount; 95049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[4] = matrix[9] = matrix[14] = amount * 255.f; 96049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[18] = 1.f; 97049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project} 98049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 99049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectvoid GetOpacityMatrix(float amount, SkScalar matrix[20]) { 100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memset(matrix, 0, 20 * sizeof(SkScalar)); 101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[0] = matrix[6] = matrix[12] = 1.f; 102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[18] = amount; 103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project} 104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectvoid GetGrayscaleMatrix(float amount, SkScalar matrix[20]) { 106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project // Note, these values are computed to ensure MatrixNeedsClamping is false 107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project // for amount in [0..1] 108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[0] = 0.2126f + 0.7874f * amount; 109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[1] = 0.7152f - 0.7152f * amount; 110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[2] = 1.f - (matrix[0] + matrix[1]); 111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[3] = matrix[4] = 0.f; 112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[5] = 0.2126f - 0.2126f * amount; 114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[6] = 0.7152f + 0.2848f * amount; 115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[7] = 1.f - (matrix[5] + matrix[6]); 116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[8] = matrix[9] = 0.f; 117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[10] = 0.2126f - 0.2126f * amount; 119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[11] = 0.7152f - 0.7152f * amount; 120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[12] = 1.f - (matrix[10] + matrix[11]); 121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[13] = matrix[14] = 0.f; 122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[15] = matrix[16] = matrix[17] = matrix[19] = 0.f; 124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[18] = 1.f; 125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project} 126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Projectvoid GetSepiaMatrix(float amount, SkScalar matrix[20]) { 128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[0] = 0.393f + 0.607f * amount; 129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[1] = 0.769f - 0.769f * amount; 130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[2] = 0.189f - 0.189f * amount; 131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[3] = matrix[4] = 0.f; 132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[5] = 0.349f - 0.349f * amount; 134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[6] = 0.686f + 0.314f * amount; 135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[7] = 0.168f - 0.168f * amount; 136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[8] = matrix[9] = 0.f; 137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[10] = 0.272f - 0.272f * amount; 139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[11] = 0.534f - 0.534f * amount; 140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[12] = 0.131f + 0.869f * amount; 141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[13] = matrix[14] = 0.f; 142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[15] = matrix[16] = matrix[17] = matrix[19] = 0.f; 144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project matrix[18] = 1.f; 145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project} 1460a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project 1470a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Projectskia::RefPtr<SkImageFilter> CreateMatrixImageFilter( 1480a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project const SkScalar matrix[20], 1490a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project const skia::RefPtr<SkImageFilter>& input) { 1508583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner skia::RefPtr<SkColorFilter> color_filter = 1510a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project skia::AdoptRef(SkColorMatrixFilter::Create(matrix)); 1528583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner return skia::AdoptRef( 153295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner SkColorFilterImageFilter::Create(color_filter.get(), input.get())); 1548583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner} 1558583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner 1568583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner} // namespace 1578583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner 1580a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Projectskia::RefPtr<SkImageFilter> RenderSurfaceFilters::BuildImageFilter( 1590a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project const FilterOperations& filters, 1600a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project const gfx::SizeF& size) { 1610a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project skia::RefPtr<SkImageFilter> image_filter; 1628583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner SkScalar matrix[20]; 1630a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project for (size_t i = 0; i < filters.size(); ++i) { 1640a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project const FilterOperation& op = filters.at(i); 1650a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project switch (op.type()) { 1660a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project case FilterOperation::GRAYSCALE: 1670a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project GetGrayscaleMatrix(1.f - op.amount(), matrix); 1680a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project image_filter = CreateMatrixImageFilter(matrix, image_filter); 1698583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 1700a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project case FilterOperation::SEPIA: 1710a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project GetSepiaMatrix(1.f - op.amount(), matrix); 172295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner image_filter = CreateMatrixImageFilter(matrix, image_filter); 1730a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project break; 1740a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project case FilterOperation::SATURATE: 1750a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project GetSaturateMatrix(op.amount(), matrix); 1760a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project image_filter = CreateMatrixImageFilter(matrix, image_filter); 1770a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project break; 1780a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project case FilterOperation::HUE_ROTATE: 1790a9d06e2b5cf75c3d6ba958026bfdf4745f576d6The Android Open Source Project GetHueRotateMatrix(op.amount(), matrix); 1808583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = CreateMatrixImageFilter(matrix, image_filter); 1818583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 1828583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::INVERT: 1838583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner GetInvertMatrix(op.amount(), matrix); 1848583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = CreateMatrixImageFilter(matrix, image_filter); 1858583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 1868583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::OPACITY: 1878583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner GetOpacityMatrix(op.amount(), matrix); 1888583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = CreateMatrixImageFilter(matrix, image_filter); 1898583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 1908583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::BRIGHTNESS: 1918583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner GetBrightnessMatrix(op.amount(), matrix); 1928583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = CreateMatrixImageFilter(matrix, image_filter); 1938583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 1948583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::CONTRAST: 1958583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner GetContrastMatrix(op.amount(), matrix); 1968583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = CreateMatrixImageFilter(matrix, image_filter); 1978583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 1988583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::BLUR: 1998583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = skia::AdoptRef(SkBlurImageFilter::Create( 2008583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner op.amount(), op.amount(), image_filter.get())); 2018583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 2028583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::DROP_SHADOW: 2038583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = skia::AdoptRef(SkDropShadowImageFilter::Create( 2048583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner SkIntToScalar(op.drop_shadow_offset().x()), 2058583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner SkIntToScalar(op.drop_shadow_offset().y()), 2068583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner SkIntToScalar(op.amount()), 2078583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner SkIntToScalar(op.amount()), 2088583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner op.drop_shadow_color(), 2098583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter.get())); 2108583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 2118583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::COLOR_MATRIX: 2128583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = CreateMatrixImageFilter(op.matrix(), image_filter); 2138583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 2148583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::ZOOM: { 2158583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner skia::RefPtr<SkImageFilter> zoom_filter = 2168583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner skia::AdoptRef(SkMagnifierImageFilter::Create( 217c3ee10bfa1f76a18500b487de9c85757375b48f3David 'Digit' Turner SkRect::MakeXYWH( 2188583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner (size.width() - (size.width() / op.amount())) / 2.f, 2198583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner (size.height() - (size.height() / op.amount())) / 2.f, 220c3ee10bfa1f76a18500b487de9c85757375b48f3David 'Digit' Turner size.width() / op.amount(), 2218583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner size.height() / op.amount()), 222c3ee10bfa1f76a18500b487de9c85757375b48f3David 'Digit' Turner op.zoom_inset())); 2238583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner if (image_filter.get()) { 2248583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner // TODO(ajuma): When there's a 1-input version of 225c3ee10bfa1f76a18500b487de9c85757375b48f3David 'Digit' Turner // SkMagnifierImageFilter, use that to handle the input filter 226c3ee10bfa1f76a18500b487de9c85757375b48f3David 'Digit' Turner // instead of using an SkComposeImageFilter. 227c3ee10bfa1f76a18500b487de9c85757375b48f3David 'Digit' Turner image_filter = skia::AdoptRef(SkComposeImageFilter::Create( 228c3ee10bfa1f76a18500b487de9c85757375b48f3David 'Digit' Turner zoom_filter.get(), image_filter.get())); 2298583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } else { 2308583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = zoom_filter; 2318583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } 2328583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 2338583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } 2348583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::SATURATING_BRIGHTNESS: 2358583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner GetSaturatingBrightnessMatrix(op.amount(), matrix); 2368583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = CreateMatrixImageFilter(matrix, image_filter); 2378583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 2388583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::REFERENCE: { 2398583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner if (!op.image_filter()) 2408583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 2418583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner 2428583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner skia::RefPtr<SkColorFilter> cf; 2438583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner 2448583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner { 2458583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner SkColorFilter* colorfilter_rawptr = NULL; 2468583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner op.image_filter()->asColorFilter(&colorfilter_rawptr); 2478583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner cf = skia::AdoptRef(colorfilter_rawptr); 248a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 2498583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner 2508583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner if (cf && cf->asColorMatrix(matrix) && 2518583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner !op.image_filter()->getInput(0)) { 2528583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = CreateMatrixImageFilter(matrix, image_filter); 2538583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } else if (image_filter) { 2548583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = skia::AdoptRef(SkComposeImageFilter::Create( 2558583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner op.image_filter().get(), image_filter.get())); 2568583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } else { 2578583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = op.image_filter(); 2588583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } 2598583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 2608583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } 2618583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner case FilterOperation::ALPHA_THRESHOLD: { 2628583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner skia::RefPtr<SkImageFilter> alpha_filter = skia::AdoptRef( 2638583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner SkAlphaThresholdFilter::Create( 2648583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner op.region(), op.amount(), op.outer_threshold())); 2658583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner if (image_filter.get()) { 2668583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = skia::AdoptRef(SkComposeImageFilter::Create( 2678583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner alpha_filter.get(), image_filter.get())); 2688583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } else { 2698583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner image_filter = alpha_filter; 2708583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } 2718583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner break; 2728583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } 2738583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } 2748583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner } 2758583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner return image_filter; 2768583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner} 2778583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner 2788583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner} // namespace cc 2798583905b8952672a083f21fd8945f329b98aa35bDavid 'Digit' Turner