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); |
Mike Reed | 19d7bd6 | 2018-02-19 14:10:57 -0500 | [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); |
Mike Reed | 19d7bd6 | 2018-02-19 14:10:57 -0500 | [diff] [blame] | 44 | return a->makeComposed(SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat)); |
reed | f7cdb06 | 2016-02-04 11:35:27 -0800 | [diff] [blame] | 45 | } |
| 46 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 47 | static sk_sp<SkColorFilter> make_cf2() { |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 48 | return SkColorFilter::MakeModeFilter(0x8044CC88, SkBlendMode::kSrcATop); |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 49 | } |
| 50 | |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 51 | static void draw_into_canvas(SkCanvas* canvas) { |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 52 | const SkRect r = SkRect::MakeWH(50, 100); |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 53 | sk_sp<SkShader> (*shaders[])() { make_opaque_color, make_alpha_color }; |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 54 | sk_sp<SkColorFilter> (*filters[])() { make_cf_null, make_cf0, make_cf1, make_cf2 }; |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 55 | |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 56 | SkPaint paint; |
| 57 | for (auto shProc : shaders) { |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 58 | paint.setShader(shProc()); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 59 | for (auto cfProc : filters) { |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 60 | paint.setColorFilter(cfProc()); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 61 | canvas->drawRect(r, paint); |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 62 | canvas->translate(60, 0); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 63 | } |
| 64 | } |
| 65 | } |
| 66 | |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 67 | DEF_SIMPLE_GM(color4f, canvas, 1024, 260) { |
| 68 | canvas->translate(10, 10); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 69 | |
| 70 | SkPaint bg; |
| 71 | // need the target to be opaque, so we can draw it to the screen |
| 72 | // even if it holds sRGB values. |
| 73 | bg.setColor(0xFFFFFFFF); |
| 74 | |
brianosman | 52ede1d | 2016-06-20 08:25:02 -0700 | [diff] [blame] | 75 | sk_sp<SkColorSpace> colorSpaces[]{ |
| 76 | nullptr, |
Matt Sarett | 77a7a1b | 2017-02-07 13:56:11 -0500 | [diff] [blame] | 77 | SkColorSpace::MakeSRGB() |
brianosman | 52ede1d | 2016-06-20 08:25:02 -0700 | [diff] [blame] | 78 | }; |
| 79 | for (auto colorSpace : colorSpaces) { |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 80 | const SkImageInfo info = SkImageInfo::Make(1024, 100, kN32_SkColorType, kPremul_SkAlphaType, |
brianosman | 52ede1d | 2016-06-20 08:25:02 -0700 | [diff] [blame] | 81 | colorSpace); |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 82 | auto surface(SkSurface::MakeRaster(info)); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 83 | surface->getCanvas()->drawPaint(bg); |
| 84 | draw_into_canvas(surface->getCanvas()); |
| 85 | surface->draw(canvas, 0, 0, nullptr); |
| 86 | canvas->translate(0, 120); |
| 87 | } |
| 88 | } |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 89 | |
| 90 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 91 | #include "SkColorSpace.h" |
| 92 | |
Brian Osman | cc813ae | 2016-10-25 11:45:14 -0400 | [diff] [blame] | 93 | DEF_SIMPLE_GM(color4shader, canvas, 360, 480) { |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 94 | canvas->translate(10, 10); |
| 95 | |
Matt Sarett | 77a7a1b | 2017-02-07 13:56:11 -0500 | [diff] [blame] | 96 | auto srgb = SkColorSpace::MakeSRGB(); |
Brian Osman | 36703d9 | 2017-12-12 14:09:31 -0500 | [diff] [blame] | 97 | auto spin = srgb->makeColorSpin(); // RGB -> GBR |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 98 | |
| 99 | const SkColor4f colors[] { |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 100 | { 1, 0, 0, 1 }, |
brianosman | e074d1f | 2016-06-24 06:31:47 -0700 | [diff] [blame] | 101 | { 0, 1, 0, 1 }, |
| 102 | { 0, 0, 1, 1 }, |
| 103 | { 0.5, 0.5, 0.5, 1 }, |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 104 | }; |
| 105 | |
| 106 | SkPaint paint; |
| 107 | SkRect r = SkRect::MakeWH(100, 100); |
| 108 | |
| 109 | for (const auto& c4 : colors) { |
| 110 | sk_sp<SkShader> shaders[] { |
| 111 | SkShader::MakeColorShader(c4, nullptr), |
Brian Osman | cc813ae | 2016-10-25 11:45:14 -0400 | [diff] [blame] | 112 | SkShader::MakeColorShader(c4, srgb), |
Brian Osman | 0387d35 | 2017-11-14 11:13:54 -0500 | [diff] [blame] | 113 | SkShader::MakeColorShader(c4, spin), |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 114 | }; |
| 115 | |
| 116 | canvas->save(); |
| 117 | for (const auto& s : shaders) { |
| 118 | paint.setShader(s); |
| 119 | canvas->drawRect(r, paint); |
| 120 | canvas->translate(r.width() * 6 / 5, 0); |
| 121 | } |
| 122 | canvas->restore(); |
| 123 | canvas->translate(0, r.height() * 6 / 5); |
| 124 | } |
| 125 | } |