reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "gm.h" |
| 9 | #include "SkCanvas.h" |
| 10 | #include "SkColorPriv.h" |
| 11 | #include "SkShader.h" |
| 12 | #include "SkSurface.h" |
| 13 | |
| 14 | #include "SkColorMatrixFilter.h" |
| 15 | #include "SkGradientShader.h" |
| 16 | |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 17 | static sk_sp<SkShader> make_opaque_color() { |
| 18 | return SkShader::MakeColorShader(0xFFFF0000); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 19 | } |
| 20 | |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 21 | static sk_sp<SkShader> make_alpha_color() { |
| 22 | return SkShader::MakeColorShader(0x80FF0000); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 23 | } |
| 24 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 25 | static sk_sp<SkColorFilter> make_cf_null() { |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 26 | return nullptr; |
| 27 | } |
| 28 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 29 | static sk_sp<SkColorFilter> make_cf0() { |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 30 | SkColorMatrix cm; |
| 31 | cm.setSaturation(0.75f); |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 32 | return SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 33 | } |
| 34 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 35 | static sk_sp<SkColorFilter> make_cf1() { |
reed | f7cdb06 | 2016-02-04 11:35:27 -0800 | [diff] [blame] | 36 | SkColorMatrix cm; |
| 37 | cm.setSaturation(0.75f); |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 38 | auto a(SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat)); |
reed | f7cdb06 | 2016-02-04 11:35:27 -0800 | [diff] [blame] | 39 | // CreateComposedFilter will try to concat these two matrices, resulting in a single |
| 40 | // filter (which is good for speed). For this test, we want to force a real compose of |
| 41 | // these two, so our inner filter has a scale-up, which disables the optimization of |
| 42 | // combining the two matrices. |
| 43 | cm.setScale(1.1f, 0.9f, 1); |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 44 | auto b(SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat)); |
| 45 | return SkColorFilter::MakeComposeFilter(a, b); |
reed | f7cdb06 | 2016-02-04 11:35:27 -0800 | [diff] [blame] | 46 | } |
| 47 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 48 | static sk_sp<SkColorFilter> make_cf2() { |
| 49 | return SkColorFilter::MakeModeFilter(0x8044CC88, SkXfermode::kSrcATop_Mode); |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 50 | } |
| 51 | |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 52 | static void draw_into_canvas(SkCanvas* canvas) { |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 53 | const SkRect r = SkRect::MakeWH(50, 100); |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 54 | sk_sp<SkShader> (*shaders[])() { make_opaque_color, make_alpha_color }; |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 55 | sk_sp<SkColorFilter> (*filters[])() { make_cf_null, make_cf0, make_cf1, make_cf2 }; |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 56 | |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 57 | SkPaint paint; |
| 58 | for (auto shProc : shaders) { |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 59 | paint.setShader(shProc()); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 60 | for (auto cfProc : filters) { |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 61 | paint.setColorFilter(cfProc()); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 62 | canvas->drawRect(r, paint); |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 63 | canvas->translate(60, 0); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 64 | } |
| 65 | } |
| 66 | } |
| 67 | |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 68 | DEF_SIMPLE_GM(color4f, canvas, 1024, 260) { |
| 69 | canvas->translate(10, 10); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 70 | |
| 71 | SkPaint bg; |
| 72 | // need the target to be opaque, so we can draw it to the screen |
| 73 | // even if it holds sRGB values. |
| 74 | bg.setColor(0xFFFFFFFF); |
| 75 | |
| 76 | SkColorProfileType const profiles[] { kLinear_SkColorProfileType, kSRGB_SkColorProfileType }; |
| 77 | for (auto profile : profiles) { |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 78 | const SkImageInfo info = SkImageInfo::Make(1024, 100, kN32_SkColorType, kPremul_SkAlphaType, |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 79 | profile); |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 80 | auto surface(SkSurface::MakeRaster(info)); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 81 | surface->getCanvas()->drawPaint(bg); |
| 82 | draw_into_canvas(surface->getCanvas()); |
| 83 | surface->draw(canvas, 0, 0, nullptr); |
| 84 | canvas->translate(0, 120); |
| 85 | } |
| 86 | } |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 87 | |
| 88 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 89 | #include "SkColorSpace.h" |
| 90 | |
| 91 | DEF_SIMPLE_GM(color4shader, canvas, 1024, 260) { |
| 92 | canvas->translate(10, 10); |
| 93 | |
| 94 | SkMatrix44 mat(SkMatrix44::kUninitialized_Constructor); |
| 95 | // red -> blue, green -> red, blue -> green |
| 96 | mat.set3x3(0, 1, 0, 0, 0, 1, 1, 0, 0); |
| 97 | |
msarett | bb9f774 | 2016-05-17 09:31:20 -0700 | [diff] [blame] | 98 | float linearGamma[3] = { 1.0f, 1.0f, 1.0f }; |
| 99 | |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 100 | const SkColor4f colors[] { |
| 101 | { 1, 1, 0, 0 }, |
| 102 | { 1, 0, 1, 0 }, |
| 103 | { 1, 0, 0, 1 }, |
| 104 | { 1, 0.5, 0.5, 0.5 }, |
| 105 | }; |
| 106 | |
| 107 | SkPaint paint; |
| 108 | SkRect r = SkRect::MakeWH(100, 100); |
| 109 | |
| 110 | for (const auto& c4 : colors) { |
| 111 | sk_sp<SkShader> shaders[] { |
| 112 | SkShader::MakeColorShader(c4, nullptr), |
| 113 | SkShader::MakeColorShader(c4, SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named)), |
msarett | bb9f774 | 2016-05-17 09:31:20 -0700 | [diff] [blame] | 114 | SkShader::MakeColorShader(c4, SkColorSpace::NewRGB(linearGamma, mat)), |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 115 | }; |
| 116 | |
| 117 | canvas->save(); |
| 118 | for (const auto& s : shaders) { |
| 119 | paint.setShader(s); |
| 120 | canvas->drawRect(r, paint); |
| 121 | canvas->translate(r.width() * 6 / 5, 0); |
| 122 | } |
| 123 | canvas->restore(); |
| 124 | canvas->translate(0, r.height() * 6 / 5); |
| 125 | } |
| 126 | } |