1fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot/* 2fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Copyright 2012 Google Inc. 3fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * 4fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Use of this source code is governed by a BSD-style license that can be 5fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * found in the LICENSE file. 6fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot */ 7fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 8fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "gm.h" 9fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkCanvas.h" 10fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkColorMatrixFilter.h" 11fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkColorPriv.h" 12fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkShader.h" 13fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 14fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkBlurImageFilter.h" 15fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkColorFilterImageFilter.h" 16fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkTDArray.h" 17fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 18fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#define FILTER_WIDTH SkIntToScalar(30) 19fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#define FILTER_HEIGHT SkIntToScalar(30) 20fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#define MARGIN SkIntToScalar(10) 21fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 22fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkColorFilter> cf_make_brightness(float brightness) { 23fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar amount255 = brightness * 255; 24fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar matrix[20] = { 25fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 1, 0, 0, 0, amount255, 26fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 0, 1, 0, 0, amount255, 27fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 0, 0, 1, 0, amount255, 28fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 0, 0, 0, 1, 0 }; 29fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkColorFilter::MakeMatrixFilterRowMajor255(matrix); 30fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 31fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 32fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkColorFilter> cf_make_grayscale() { 33fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar matrix[20]; 34fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot memset(matrix, 0, 20 * sizeof(SkScalar)); 35fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot matrix[0] = matrix[5] = matrix[10] = 0.2126f; 36fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot matrix[1] = matrix[6] = matrix[11] = 0.7152f; 37fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot matrix[2] = matrix[7] = matrix[12] = 0.0722f; 38fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot matrix[18] = 1.0f; 39fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkColorFilter::MakeMatrixFilterRowMajor255(matrix); 40fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 41fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 42fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkColorFilter> cf_make_colorize(SkColor color) { 43fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkColorFilter::MakeModeFilter(color, SkBlendMode::kSrc); 44fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 45fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 46fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic void sk_gm_get_colorfilters(SkTArray<sk_sp<SkColorFilter>>* array) { 47fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot array->push_back(cf_make_brightness(0.5f)); 48fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot array->push_back(cf_make_grayscale()); 49fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot array->push_back(cf_make_colorize(SK_ColorBLUE)); 50fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 51fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 52fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot/////////////////////////////////////////////////////////////////////////////////////////////////// 53fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkGradientShader.h" 54fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkImage.h" 55fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "Resources.h" 56fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 57fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkShader> sh_make_lineargradient0() { 58fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkPoint pts[] = { { 0, 0 }, { 100, 100 } }; 59fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE }; 60fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkGradientShader::MakeLinear(pts, colors, nullptr, 3, SkShader::kRepeat_TileMode); 61fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 62fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 63fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkShader> sh_make_lineargradient1() { 64fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkPoint pts[] = { { 0, 0 }, { 100, 100 } }; 65fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkColor colors[] = { SK_ColorRED, 0x0000FF00, SK_ColorBLUE }; 66fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkGradientShader::MakeLinear(pts, colors, nullptr, 3, SkShader::kRepeat_TileMode); 67fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 68fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 69fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkShader> sh_make_image() { 70fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImage> image(GetResourceAsImage("images/mandrill_128.png")); 71fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (!image) { 72fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return nullptr; 73fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 74fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return image->makeShader(SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode); 75fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 76fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 77fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic void sk_gm_get_shaders(SkTDArray<SkShader*>* array) { 78fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (auto shader = sh_make_lineargradient0()) { 79fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot *array->append() = shader.release(); 80fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 81fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (auto shader = sh_make_lineargradient1()) { 82fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot *array->append() = shader.release(); 83fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 84fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (auto shader = sh_make_image()) { 85fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot *array->append() = shader.release(); 86fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 87fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 88fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 89fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot/////////////////////////////////////////////////////////////////////////////////////////////////// 90fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 91fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkImageFilter> make_blur(float amount, sk_sp<SkImageFilter> input) { 92fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkBlurImageFilter::Make(amount, amount, std::move(input)); 93fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 94fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 95fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkImageFilter> make_brightness(float amount, sk_sp<SkImageFilter> input) { 96fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkColorFilterImageFilter::Make(cf_make_brightness(amount), std::move(input)); 97fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 98fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 99fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkImageFilter> make_grayscale(sk_sp<SkImageFilter> input) { 100fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkColorFilterImageFilter::Make(cf_make_grayscale(), std::move(input)); 101fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 102fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 103fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic sk_sp<SkImageFilter> make_mode_blue(sk_sp<SkImageFilter> input) { 104fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkColorFilterImageFilter::Make(cf_make_colorize(SK_ColorBLUE), std::move(input)); 105fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 106fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 107fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic void draw_clipped_rect(SkCanvas* canvas, 108fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkRect& r, 109fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkPaint& paint, 110fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot float outset = 0.0f) { 111fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->save(); 112fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkRect clip(r); 113fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot clip.outset(outset, outset); 114fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->clipRect(clip); 115fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawRect(r, paint); 116fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->restore(); 117fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 118fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 119fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team RobotDEF_SIMPLE_GM(colorfilterimagefilter, canvas, 400, 100){ 120fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkRect r = SkRect::MakeWH(FILTER_WIDTH, FILTER_HEIGHT); 121fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint paint; 122fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setColor(SK_ColorRED); 123fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->save(); 124fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (float brightness = -1.0f; brightness <= 1.0f; brightness += 0.2f) { 125fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> dim(make_brightness(-brightness, nullptr)); 126fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> bright(make_brightness(brightness, std::move(dim))); 127fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setImageFilter(std::move(bright)); 128fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot draw_clipped_rect(canvas, r, paint); 129fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(FILTER_WIDTH + MARGIN, 0); 130fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 131fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->restore(); 132fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(0, FILTER_HEIGHT + MARGIN); 133fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot { 134fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> brightness(make_brightness(0.9f, nullptr)); 135fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> grayscale(make_grayscale(std::move(brightness))); 136fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setImageFilter(std::move(grayscale)); 137fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot draw_clipped_rect(canvas, r, paint); 138fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(FILTER_WIDTH + MARGIN, 0); 139fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 140fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot { 141fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> grayscale(make_grayscale(nullptr)); 142fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> brightness(make_brightness(0.9f, std::move(grayscale))); 143fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setImageFilter(std::move(brightness)); 144fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot draw_clipped_rect(canvas, r, paint); 145fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(FILTER_WIDTH + MARGIN, 0); 146fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 147fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot { 148fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> blue(make_mode_blue(nullptr)); 149fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> brightness(make_brightness(1.0f, std::move(blue))); 150fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setImageFilter(std::move(brightness)); 151fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot draw_clipped_rect(canvas, r, paint); 152fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(FILTER_WIDTH + MARGIN, 0); 153fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 154fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot { 155fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> brightness(make_brightness(1.0f, nullptr)); 156fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> blue(make_mode_blue(std::move(brightness))); 157fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setImageFilter(std::move(blue)); 158fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot draw_clipped_rect(canvas, r, paint); 159fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(FILTER_WIDTH + MARGIN, 0); 160fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 161fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot { 162fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> blur(make_blur(3.0f, nullptr)); 163fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> brightness(make_brightness(0.5f, std::move(blur))); 164fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setImageFilter(std::move(brightness)); 165fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot draw_clipped_rect(canvas, r, paint, 3); 166fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(FILTER_WIDTH + MARGIN, 0); 167fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 168fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot { 169fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkImageFilter> blue(make_mode_blue(nullptr)); 170fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setImageFilter(std::move(blue)); 171fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot draw_clipped_rect(canvas, r, paint, 5); 172fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(FILTER_WIDTH + MARGIN, 0); 173fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 174fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 175fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 176fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team RobotDEF_SIMPLE_GM(colorfilterimagefilter_layer, canvas, 32, 32) { 177fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkAutoCanvasRestore autoCanvasRestore(canvas, false); 178fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkColorMatrix cm; 179fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot cm.setSaturation(0.0f); 180fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkColorFilter> cf(SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat)); 181fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint p; 182fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot p.setImageFilter(SkColorFilterImageFilter::Make(std::move(cf), nullptr)); 183fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->saveLayer(nullptr, &p); 184fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->clear(SK_ColorRED); 185fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 186fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 187fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot/////////////////////////////////////////////////////////////////////////////////////////////////// 188fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 189fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkGradientShader.h" 190fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robottemplate <typename T> class SkTRefArray : public SkTDArray<T> { 191fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotpublic: 192fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot ~SkTRefArray() { this->unrefAll(); } 193fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot}; 194fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 195fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team RobotDEF_SIMPLE_GM(colorfiltershader, canvas, 610, 610) { 196fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkTArray<sk_sp<SkColorFilter>> filters; 197fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_gm_get_colorfilters(&filters); 198fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 199fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkTRefArray<SkShader*> shaders; 200fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_gm_get_shaders(&shaders); 201fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 202fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkColor colors[] = { SK_ColorRED, SK_ColorBLUE }; 203fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot *shaders.append() = SkGradientShader::MakeTwoPointConical({0, 0}, 50, {0, 0}, 150, 204fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot colors, nullptr, 2, 205fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkShader::kClamp_TileMode).release(); 206fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 207fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint paint; 208fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkRect r = SkRect::MakeWH(120, 120); 209fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 210fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(20, 20); 211fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (int y = 0; y < shaders.count(); ++y) { 212fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkShader* shader = shaders[y]; 213fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 214fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->save(); 215fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (int x = -1; x < filters.count(); ++x) { 216fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkColorFilter> filter = x >= 0 ? filters[x] : nullptr; 217fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 218fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setShader(shader->makeWithColorFilter(filter)); 219fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawRect(r, paint); 220fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(150, 0); 221fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 222fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->restore(); 223fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(0, 150); 224fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 225fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 226fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 227fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team RobotDEF_SIMPLE_GM(mixershader, canvas, 800, 700) { 228fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot auto shaderA = GetResourceAsImage("images/mandrill_128.png")->makeShader(SkShader::kClamp_TileMode, 229fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkShader::kClamp_TileMode); 230fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkColor colors[] = { SK_ColorGREEN, 0 }; 231fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot auto shaderB = SkGradientShader::MakeRadial({60, 60}, 55, colors, nullptr, 2, 232fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkShader::kClamp_TileMode, 233fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkGradientShader::kInterpolateColorsInPremul_Flag, 234fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot nullptr); 235fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkBlendMode modes[] = { 236fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkBlendMode::kSrc, SkBlendMode::kModulate, SkBlendMode::kColorBurn, SkBlendMode::kPlus, 237fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkBlendMode::kDstATop, 238fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot }; 239fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint paint; 240fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkRect r = SkRect::MakeWH(120, 120); 241fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 242fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(10, 10); 243fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (auto mode : modes) { 244fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->save(); 245fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const int count = 6; 246fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (int x = 0; x < count; ++x) { 247fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const float t = x * 1.0f / (count - 1); 248fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setShader(SkShader::MakeCompose(shaderA, shaderB, mode, t)); 249fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawRect(r, paint); 250fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(r.width() + 10, 0); 251fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 252fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->restore(); 253fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(0, r.height() + 20); 254fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 255fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 256