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" |
Brian Osman | cc813ae | 2016-10-25 11:45:14 -0400 | [diff] [blame] | 11 | #include "SkColorSpace_Base.h" |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 12 | #include "SkShader.h" |
| 13 | #include "SkSurface.h" |
| 14 | |
| 15 | #include "SkColorMatrixFilter.h" |
| 16 | #include "SkGradientShader.h" |
| 17 | |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 18 | static sk_sp<SkShader> make_opaque_color() { |
| 19 | return SkShader::MakeColorShader(0xFFFF0000); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 20 | } |
| 21 | |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 22 | static sk_sp<SkShader> make_alpha_color() { |
| 23 | return SkShader::MakeColorShader(0x80FF0000); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 24 | } |
| 25 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 26 | static sk_sp<SkColorFilter> make_cf_null() { |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 27 | return nullptr; |
| 28 | } |
| 29 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 30 | static sk_sp<SkColorFilter> make_cf0() { |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 31 | SkColorMatrix cm; |
| 32 | cm.setSaturation(0.75f); |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 33 | return SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 34 | } |
| 35 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 36 | static sk_sp<SkColorFilter> make_cf1() { |
reed | f7cdb06 | 2016-02-04 11:35:27 -0800 | [diff] [blame] | 37 | SkColorMatrix cm; |
| 38 | cm.setSaturation(0.75f); |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 39 | auto a(SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat)); |
reed | f7cdb06 | 2016-02-04 11:35:27 -0800 | [diff] [blame] | 40 | // CreateComposedFilter will try to concat these two matrices, resulting in a single |
| 41 | // filter (which is good for speed). For this test, we want to force a real compose of |
| 42 | // these two, so our inner filter has a scale-up, which disables the optimization of |
| 43 | // combining the two matrices. |
| 44 | cm.setScale(1.1f, 0.9f, 1); |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 45 | auto b(SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat)); |
| 46 | return SkColorFilter::MakeComposeFilter(a, b); |
reed | f7cdb06 | 2016-02-04 11:35:27 -0800 | [diff] [blame] | 47 | } |
| 48 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 49 | static sk_sp<SkColorFilter> make_cf2() { |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 50 | return SkColorFilter::MakeModeFilter(0x8044CC88, SkBlendMode::kSrcATop); |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 51 | } |
| 52 | |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 53 | static void draw_into_canvas(SkCanvas* canvas) { |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 54 | const SkRect r = SkRect::MakeWH(50, 100); |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 55 | sk_sp<SkShader> (*shaders[])() { make_opaque_color, make_alpha_color }; |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 56 | sk_sp<SkColorFilter> (*filters[])() { make_cf_null, make_cf0, make_cf1, make_cf2 }; |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 57 | |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 58 | SkPaint paint; |
| 59 | for (auto shProc : shaders) { |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 60 | paint.setShader(shProc()); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 61 | for (auto cfProc : filters) { |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 62 | paint.setColorFilter(cfProc()); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 63 | canvas->drawRect(r, paint); |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 64 | canvas->translate(60, 0); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 65 | } |
| 66 | } |
| 67 | } |
| 68 | |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 69 | DEF_SIMPLE_GM(color4f, canvas, 1024, 260) { |
| 70 | canvas->translate(10, 10); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 71 | |
| 72 | SkPaint bg; |
| 73 | // need the target to be opaque, so we can draw it to the screen |
| 74 | // even if it holds sRGB values. |
| 75 | bg.setColor(0xFFFFFFFF); |
| 76 | |
brianosman | 52ede1d | 2016-06-20 08:25:02 -0700 | [diff] [blame] | 77 | sk_sp<SkColorSpace> colorSpaces[]{ |
| 78 | nullptr, |
Brian Osman | 526972e | 2016-10-24 09:24:02 -0400 | [diff] [blame] | 79 | SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named) |
brianosman | 52ede1d | 2016-06-20 08:25:02 -0700 | [diff] [blame] | 80 | }; |
| 81 | for (auto colorSpace : colorSpaces) { |
reed | 3125565 | 2016-02-08 12:56:56 -0800 | [diff] [blame] | 82 | const SkImageInfo info = SkImageInfo::Make(1024, 100, kN32_SkColorType, kPremul_SkAlphaType, |
brianosman | 52ede1d | 2016-06-20 08:25:02 -0700 | [diff] [blame] | 83 | colorSpace); |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 84 | auto surface(SkSurface::MakeRaster(info)); |
reed | 395eabe | 2016-01-30 18:52:31 -0800 | [diff] [blame] | 85 | surface->getCanvas()->drawPaint(bg); |
| 86 | draw_into_canvas(surface->getCanvas()); |
| 87 | surface->draw(canvas, 0, 0, nullptr); |
| 88 | canvas->translate(0, 120); |
| 89 | } |
| 90 | } |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 91 | |
| 92 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 93 | #include "SkColorSpace.h" |
| 94 | |
Brian Osman | cc813ae | 2016-10-25 11:45:14 -0400 | [diff] [blame] | 95 | DEF_SIMPLE_GM(color4shader, canvas, 360, 480) { |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 96 | canvas->translate(10, 10); |
| 97 | |
Brian Osman | cc813ae | 2016-10-25 11:45:14 -0400 | [diff] [blame] | 98 | auto srgb = SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named); |
| 99 | |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 100 | SkMatrix44 mat(SkMatrix44::kUninitialized_Constructor); |
Brian Osman | cc813ae | 2016-10-25 11:45:14 -0400 | [diff] [blame] | 101 | // red -> blue, green -> red, blue -> green (sRGB) |
brianosman | de68d6c | 2016-09-09 10:36:17 -0700 | [diff] [blame] | 102 | mat.set3x3(0, 0, 1, 1, 0, 0, 0, 1, 0); |
Brian Osman | cc813ae | 2016-10-25 11:45:14 -0400 | [diff] [blame] | 103 | mat.postConcat(*as_CSB(srgb)->toXYZD50()); |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 104 | |
| 105 | const SkColor4f colors[] { |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 106 | { 1, 0, 0, 1 }, |
brianosman | e074d1f | 2016-06-24 06:31:47 -0700 | [diff] [blame] | 107 | { 0, 1, 0, 1 }, |
| 108 | { 0, 0, 1, 1 }, |
| 109 | { 0.5, 0.5, 0.5, 1 }, |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 110 | }; |
| 111 | |
| 112 | SkPaint paint; |
| 113 | SkRect r = SkRect::MakeWH(100, 100); |
| 114 | |
| 115 | for (const auto& c4 : colors) { |
| 116 | sk_sp<SkShader> shaders[] { |
| 117 | SkShader::MakeColorShader(c4, nullptr), |
Brian Osman | cc813ae | 2016-10-25 11:45:14 -0400 | [diff] [blame] | 118 | SkShader::MakeColorShader(c4, srgb), |
msarett | 48ba2b8 | 2016-09-07 18:55:49 -0700 | [diff] [blame] | 119 | SkShader::MakeColorShader(c4, |
Brian Osman | 526972e | 2016-10-24 09:24:02 -0400 | [diff] [blame] | 120 | SkColorSpace::MakeRGB(SkColorSpace::kLinear_RenderTargetGamma, mat)), |
reed | 0ccc62d | 2016-05-04 13:09:39 -0700 | [diff] [blame] | 121 | }; |
| 122 | |
| 123 | canvas->save(); |
| 124 | for (const auto& s : shaders) { |
| 125 | paint.setShader(s); |
| 126 | canvas->drawRect(r, paint); |
| 127 | canvas->translate(r.width() * 6 / 5, 0); |
| 128 | } |
| 129 | canvas->restore(); |
| 130 | canvas->translate(0, r.height() * 6 / 5); |
| 131 | } |
| 132 | } |