commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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 | */ |
commit-bot@chromium.org | 83f23d8 | 2014-05-22 12:27:41 +0000 | [diff] [blame] | 7 | |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 8 | #include "gm.h" |
Mike Klein | 33d2055 | 2017-03-22 13:47:51 -0400 | [diff] [blame] | 9 | #include "sk_tool_utils.h" |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 10 | #include "SkGradientShader.h" |
| 11 | |
| 12 | namespace skiagm { |
| 13 | |
| 14 | struct GradData { |
| 15 | int fCount; |
| 16 | const SkColor* fColors; |
| 17 | const SkScalar* fPos; |
| 18 | }; |
| 19 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 20 | constexpr SkColor gColors[] = { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 21 | SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK |
| 22 | }; |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 23 | constexpr SkScalar gPos0[] = { 0, SK_Scalar1 }; |
| 24 | constexpr SkScalar gPos1[] = { SK_Scalar1/4, SK_Scalar1*3/4 }; |
| 25 | constexpr SkScalar gPos2[] = { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 26 | 0, SK_Scalar1/8, SK_Scalar1/2, SK_Scalar1*7/8, SK_Scalar1 |
| 27 | }; |
| 28 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 29 | constexpr SkScalar gPosClamp[] = {0.0f, 0.0f, 1.0f, 1.0f}; |
| 30 | constexpr SkColor gColorClamp[] = { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 31 | SK_ColorRED, SK_ColorGREEN, SK_ColorGREEN, SK_ColorBLUE |
| 32 | }; |
| 33 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 34 | constexpr GradData gGradData[] = { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 35 | { 2, gColors, gPos0 }, |
| 36 | { 2, gColors, gPos1 }, |
| 37 | { 5, gColors, gPos2 }, |
| 38 | { 4, gColorClamp, gPosClamp } |
| 39 | }; |
| 40 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 41 | static sk_sp<SkShader> Make2ConicalOutside(const SkPoint pts[2], const GradData& data, |
| 42 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 43 | SkPoint center0, center1; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 44 | SkScalar radius0 = (pts[1].fX - pts[0].fX) / 10; |
| 45 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 46 | center0.set(pts[0].fX + radius0, pts[0].fY + radius0); |
| 47 | center1.set(pts[1].fX - radius1, pts[1].fY - radius1); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 48 | return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radius1, data.fColors, |
| 49 | data.fPos, data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 50 | } |
| 51 | |
Yuqian Li | 81d9f0d | 2017-12-13 15:47:26 -0500 | [diff] [blame] | 52 | static sk_sp<SkShader> Make2ConicalOutsideStrip(const SkPoint pts[2], const GradData& data, |
| 53 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
| 54 | SkPoint center0, center1; |
| 55 | SkScalar radius = (pts[1].fX - pts[0].fX) / 3; |
| 56 | center0.set(pts[0].fX, pts[0].fY); |
| 57 | center1.set(pts[1].fX, pts[1].fY); |
| 58 | return SkGradientShader::MakeTwoPointConical(center0, radius, center1, radius, data.fColors, |
| 59 | data.fPos, data.fCount, tm, 0, &localMatrix); |
| 60 | } |
| 61 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 62 | static sk_sp<SkShader> Make2ConicalOutsideFlip(const SkPoint pts[2], const GradData& data, |
commit-bot@chromium.org | 83f23d8 | 2014-05-22 12:27:41 +0000 | [diff] [blame] | 63 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 64 | SkPoint center0, center1; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 65 | SkScalar radius0 = (pts[1].fX - pts[0].fX) / 10; |
| 66 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 67 | center0.set(pts[0].fX + radius0, pts[0].fY + radius0); |
| 68 | center1.set(pts[1].fX - radius1, pts[1].fY - radius1); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 69 | return SkGradientShader::MakeTwoPointConical(center1, radius1, center0, radius0, data.fColors, |
| 70 | data.fPos, data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 71 | } |
| 72 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 73 | static sk_sp<SkShader> Make2ConicalInside(const SkPoint pts[2], const GradData& data, |
| 74 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
| 75 | SkPoint center0, center1; |
| 76 | center0.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 77 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 78 | center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), |
| 79 | SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); |
| 80 | return SkGradientShader::MakeTwoPointConical(center1, (pts[1].fX - pts[0].fX) / 7, |
| 81 | center0, (pts[1].fX - pts[0].fX) / 2, |
| 82 | data.fColors, data.fPos, data.fCount, tm, |
| 83 | 0, &localMatrix); |
| 84 | } |
| 85 | |
| 86 | static sk_sp<SkShader> Make2ConicalInsideFlip(const SkPoint pts[2], const GradData& data, |
| 87 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
| 88 | SkPoint center0, center1; |
| 89 | center0.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 90 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 91 | center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), |
| 92 | SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); |
| 93 | return SkGradientShader::MakeTwoPointConical(center0, (pts[1].fX - pts[0].fX) / 2, |
| 94 | center1, (pts[1].fX - pts[0].fX) / 7, |
| 95 | data.fColors, data.fPos, data.fCount, tm, |
| 96 | 0, &localMatrix); |
| 97 | } |
| 98 | |
| 99 | static sk_sp<SkShader> Make2ConicalInsideCenter(const SkPoint pts[2], const GradData& data, |
commit-bot@chromium.org | 83f23d8 | 2014-05-22 12:27:41 +0000 | [diff] [blame] | 100 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 101 | SkPoint center0, center1; |
| 102 | center0.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 103 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 104 | center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), |
| 105 | SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 106 | return SkGradientShader::MakeTwoPointConical(center0, (pts[1].fX - pts[0].fX) / 7, |
| 107 | center0, (pts[1].fX - pts[0].fX) / 2, |
| 108 | data.fColors, data.fPos, data.fCount, tm, |
| 109 | 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 110 | } |
| 111 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 112 | static sk_sp<SkShader> Make2ConicalZeroRad(const SkPoint pts[2], const GradData& data, |
| 113 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
| 114 | SkPoint center0, center1; |
| 115 | center0.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 116 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 117 | center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), |
| 118 | SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); |
| 119 | return SkGradientShader::MakeTwoPointConical(center1, 0.f, |
| 120 | center0, (pts[1].fX - pts[0].fX) / 2, |
| 121 | data.fColors, data.fPos, data.fCount, tm, |
| 122 | 0, &localMatrix); |
| 123 | } |
| 124 | |
| 125 | static sk_sp<SkShader> Make2ConicalZeroRadFlip(const SkPoint pts[2], const GradData& data, |
| 126 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
| 127 | SkPoint center0, center1; |
| 128 | center0.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 129 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 130 | center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), |
| 131 | SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); |
| 132 | return SkGradientShader::MakeTwoPointConical(center1, (pts[1].fX - pts[0].fX) / 2, |
| 133 | center0, 0.f, |
| 134 | data.fColors, data.fPos, data.fCount, tm, |
| 135 | 0, &localMatrix); |
| 136 | } |
| 137 | |
| 138 | static sk_sp<SkShader> Make2ConicalZeroRadCenter(const SkPoint pts[2], const GradData& data, |
commit-bot@chromium.org | 83f23d8 | 2014-05-22 12:27:41 +0000 | [diff] [blame] | 139 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 140 | SkPoint center0, center1; |
| 141 | center0.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 142 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 143 | center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), |
| 144 | SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 145 | return SkGradientShader::MakeTwoPointConical(center0, 0.f, center0, (pts[1].fX - pts[0].fX) / 2, |
| 146 | data.fColors, data.fPos, data.fCount, tm, |
| 147 | 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 148 | } |
| 149 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 150 | static sk_sp<SkShader> Make2ConicalZeroRadOutside(const SkPoint pts[2], const GradData& data, |
| 151 | SkShader::TileMode tm, |
| 152 | const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 153 | SkPoint center0, center1; |
commit-bot@chromium.org | 8089467 | 2014-04-22 21:24:22 +0000 | [diff] [blame] | 154 | SkScalar radius0 = 0.f; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 155 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 156 | center0.set(pts[0].fX + radius0, pts[0].fY + radius0); |
| 157 | center1.set(pts[1].fX - radius1, pts[1].fY - radius1); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 158 | return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radius1, |
| 159 | data.fColors, data.fPos, |
| 160 | data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 161 | } |
| 162 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 163 | static sk_sp<SkShader> Make2ConicalZeroRadFlipOutside(const SkPoint pts[2], const GradData& data, |
| 164 | SkShader::TileMode tm, |
| 165 | const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 166 | SkPoint center0, center1; |
commit-bot@chromium.org | 8089467 | 2014-04-22 21:24:22 +0000 | [diff] [blame] | 167 | SkScalar radius0 = 0.f; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 168 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 169 | center0.set(pts[0].fX + radius0, pts[0].fY + radius0); |
| 170 | center1.set(pts[1].fX - radius1, pts[1].fY - radius1); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 171 | return SkGradientShader::MakeTwoPointConical(center1, radius1, center0, radius0, data.fColors, |
| 172 | data.fPos, data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 173 | } |
| 174 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 175 | static sk_sp<SkShader> Make2ConicalEdgeX(const SkPoint pts[2], const GradData& data, |
| 176 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 177 | SkPoint center0, center1; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 178 | SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7; |
| 179 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 180 | center1.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 181 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 182 | center0.set(center1.fX + radius1, center1.fY); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 183 | return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radius1, data.fColors, |
| 184 | data.fPos, data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 185 | } |
| 186 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 187 | static sk_sp<SkShader> Make2ConicalEdgeY(const SkPoint pts[2], const GradData& data, |
| 188 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 189 | SkPoint center0, center1; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 190 | SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7; |
| 191 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 192 | center1.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 193 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 194 | center0.set(center1.fX, center1.fY + radius1); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 195 | return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radius1, data.fColors, |
| 196 | data.fPos, data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 197 | } |
egdaniel | 8405ef9 | 2014-06-09 11:57:28 -0700 | [diff] [blame] | 198 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 199 | static sk_sp<SkShader> Make2ConicalZeroRadEdgeX(const SkPoint pts[2], const GradData& data, |
| 200 | SkShader::TileMode tm, |
| 201 | const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 202 | SkPoint center0, center1; |
commit-bot@chromium.org | 8089467 | 2014-04-22 21:24:22 +0000 | [diff] [blame] | 203 | SkScalar radius0 = 0.f; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 204 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 205 | center1.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 206 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 207 | center0.set(center1.fX + radius1, center1.fY); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 208 | return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radius1, data.fColors, |
| 209 | data.fPos, data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 210 | } |
| 211 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 212 | static sk_sp<SkShader> Make2ConicalZeroRadEdgeY(const SkPoint pts[2], const GradData& data, |
| 213 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 214 | SkPoint center0, center1; |
commit-bot@chromium.org | 8089467 | 2014-04-22 21:24:22 +0000 | [diff] [blame] | 215 | SkScalar radius0 = 0.f; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 216 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 217 | center1.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 218 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 219 | center0.set(center1.fX, center1.fY + radius1); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 220 | return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radius1, data.fColors, |
| 221 | data.fPos, data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 222 | } |
| 223 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 224 | static sk_sp<SkShader> Make2ConicalTouchX(const SkPoint pts[2], const GradData& data, |
| 225 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 226 | SkPoint center0, center1; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 227 | SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7; |
| 228 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 229 | center1.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 230 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 231 | center0.set(center1.fX - radius1 + radius0, center1.fY); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 232 | return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radius1, data.fColors, |
| 233 | data.fPos, data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 234 | } |
| 235 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 236 | static sk_sp<SkShader> Make2ConicalTouchY(const SkPoint pts[2], const GradData& data, |
| 237 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 238 | SkPoint center0, center1; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 239 | SkScalar radius0 = (pts[1].fX - pts[0].fX) / 7; |
| 240 | SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 241 | center1.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 242 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 243 | center0.set(center1.fX, center1.fY + radius1 - radius0); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 244 | return SkGradientShader::MakeTwoPointConical(center0, radius0, center1, radius1, data.fColors, |
| 245 | data.fPos, data.fCount, tm, 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 246 | } |
| 247 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 248 | static sk_sp<SkShader> Make2ConicalInsideSmallRad(const SkPoint pts[2], const GradData& data, |
commit-bot@chromium.org | 83f23d8 | 2014-05-22 12:27:41 +0000 | [diff] [blame] | 249 | SkShader::TileMode tm, const SkMatrix& localMatrix) { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 250 | SkPoint center0, center1; |
| 251 | center0.set(SkScalarAve(pts[0].fX, pts[1].fX), |
| 252 | SkScalarAve(pts[0].fY, pts[1].fY)); |
| 253 | center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5), |
| 254 | SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4)); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 255 | return SkGradientShader::MakeTwoPointConical(center0, 0.0000000000000000001f, |
commit-bot@chromium.org | 9c9005a | 2014-04-28 14:55:39 +0000 | [diff] [blame] | 256 | center0, (pts[1].fX - pts[0].fX) / 2, |
commit-bot@chromium.org | 83f23d8 | 2014-05-22 12:27:41 +0000 | [diff] [blame] | 257 | data.fColors, data.fPos, data.fCount, tm, |
commit-bot@chromium.org | 9c9005a | 2014-04-28 14:55:39 +0000 | [diff] [blame] | 258 | 0, &localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 259 | } |
| 260 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 261 | typedef sk_sp<SkShader> (*GradMaker)(const SkPoint pts[2], const GradData& data, |
| 262 | SkShader::TileMode tm, const SkMatrix& localMatrix); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 263 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 264 | constexpr GradMaker gGradMakersOutside[] = { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 265 | Make2ConicalOutside, Make2ConicalOutsideFlip, |
Yuqian Li | 81d9f0d | 2017-12-13 15:47:26 -0500 | [diff] [blame] | 266 | Make2ConicalZeroRadOutside, Make2ConicalZeroRadFlipOutside, |
| 267 | Make2ConicalOutsideStrip |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 268 | }; |
| 269 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 270 | constexpr GradMaker gGradMakersInside[] = { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 271 | Make2ConicalInside, Make2ConicalInsideFlip, Make2ConicalInsideCenter, |
| 272 | Make2ConicalZeroRad, Make2ConicalZeroRadFlip, Make2ConicalZeroRadCenter, |
| 273 | }; |
| 274 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 275 | constexpr GradMaker gGradMakersEdgeCases[] = { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 276 | Make2ConicalEdgeX, Make2ConicalEdgeY, |
| 277 | Make2ConicalZeroRadEdgeX, Make2ConicalZeroRadEdgeY, |
| 278 | Make2ConicalTouchX, Make2ConicalTouchY, |
| 279 | Make2ConicalInsideSmallRad |
| 280 | }; |
| 281 | |
| 282 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 283 | constexpr struct { |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 284 | const GradMaker* fMaker; |
| 285 | const int fCount; |
| 286 | const char* fName; |
| 287 | } gGradCases[] = { |
| 288 | { gGradMakersOutside, SK_ARRAY_COUNT(gGradMakersOutside), "outside" }, |
| 289 | { gGradMakersInside, SK_ARRAY_COUNT(gGradMakersInside), "inside" }, |
| 290 | { gGradMakersEdgeCases, SK_ARRAY_COUNT(gGradMakersEdgeCases), "edge" }, |
| 291 | }; |
| 292 | |
| 293 | enum GradCaseType { // these must match the order in gGradCases |
| 294 | kOutside_GradCaseType, |
| 295 | kInside_GradCaseType, |
| 296 | kEdge_GradCaseType, |
| 297 | }; |
| 298 | |
| 299 | /////////////////////////////////////////////////////////////////////////////// |
| 300 | |
| 301 | class ConicalGradientsGM : public GM { |
| 302 | public: |
Florin Malita | 26249e0 | 2017-06-27 13:38:26 -0400 | [diff] [blame] | 303 | ConicalGradientsGM(GradCaseType gradCaseType, bool dither, |
| 304 | SkShader::TileMode mode = SkShader::kClamp_TileMode) |
fmalita | 063675b | 2015-10-12 10:41:48 -0700 | [diff] [blame] | 305 | : fGradCaseType(gradCaseType) |
Florin Malita | 26249e0 | 2017-06-27 13:38:26 -0400 | [diff] [blame] | 306 | , fDither(dither) |
| 307 | , fMode(mode) { |
caryclark | 65cdba6 | 2015-06-15 06:51:08 -0700 | [diff] [blame] | 308 | this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD)); |
fmalita | 063675b | 2015-10-12 10:41:48 -0700 | [diff] [blame] | 309 | fName.printf("gradients_2pt_conical_%s%s", gGradCases[gradCaseType].fName, |
| 310 | fDither ? "" : "_nodither"); |
Florin Malita | 26249e0 | 2017-06-27 13:38:26 -0400 | [diff] [blame] | 311 | switch (mode) { |
| 312 | case SkShader::kRepeat_TileMode: |
| 313 | fName.appendf("_repeat"); |
| 314 | break; |
| 315 | case SkShader::kMirror_TileMode: |
| 316 | fName.appendf("_mirror"); |
| 317 | break; |
| 318 | default: |
| 319 | break; |
| 320 | } |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | protected: |
| 324 | SkString onShortName() { |
| 325 | return fName; |
| 326 | } |
| 327 | |
| 328 | virtual SkISize onISize() { return SkISize::Make(840, 815); } |
| 329 | |
| 330 | virtual void onDraw(SkCanvas* canvas) { |
| 331 | |
| 332 | SkPoint pts[2] = { |
| 333 | { 0, 0 }, |
| 334 | { SkIntToScalar(100), SkIntToScalar(100) } |
| 335 | }; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 336 | SkRect r = { 0, 0, SkIntToScalar(100), SkIntToScalar(100) }; |
| 337 | SkPaint paint; |
| 338 | paint.setAntiAlias(true); |
fmalita | 063675b | 2015-10-12 10:41:48 -0700 | [diff] [blame] | 339 | paint.setDither(fDither); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 340 | |
| 341 | canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); |
| 342 | |
| 343 | const GradMaker* gradMaker = gGradCases[fGradCaseType].fMaker; |
| 344 | const int count = gGradCases[fGradCaseType].fCount; |
| 345 | |
| 346 | for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) { |
| 347 | canvas->save(); |
| 348 | for (int j = 0; j < count; j++) { |
commit-bot@chromium.org | 9c9005a | 2014-04-28 14:55:39 +0000 | [diff] [blame] | 349 | SkMatrix scale = SkMatrix::I(); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 350 | |
| 351 | if (i == 3) { // if the clamp case |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 352 | scale.setScale(0.5f, 0.5f); |
| 353 | scale.postTranslate(25.f, 25.f); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 354 | } |
| 355 | |
Florin Malita | 26249e0 | 2017-06-27 13:38:26 -0400 | [diff] [blame] | 356 | paint.setShader(gradMaker[j](pts, gGradData[i], fMode, scale)); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 357 | canvas->drawRect(r, paint); |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 358 | canvas->translate(0, SkIntToScalar(120)); |
| 359 | } |
| 360 | canvas->restore(); |
| 361 | canvas->translate(SkIntToScalar(120), 0); |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | private: |
| 366 | typedef GM INHERITED; |
| 367 | |
| 368 | GradCaseType fGradCaseType; |
| 369 | SkString fName; |
fmalita | 063675b | 2015-10-12 10:41:48 -0700 | [diff] [blame] | 370 | bool fDither; |
Florin Malita | 26249e0 | 2017-06-27 13:38:26 -0400 | [diff] [blame] | 371 | SkShader::TileMode fMode; |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 372 | }; |
| 373 | /////////////////////////////////////////////////////////////////////////////// |
| 374 | |
fmalita | 063675b | 2015-10-12 10:41:48 -0700 | [diff] [blame] | 375 | DEF_GM( return new ConicalGradientsGM(kInside_GradCaseType, true); ) |
| 376 | DEF_GM( return new ConicalGradientsGM(kOutside_GradCaseType, true); ) |
| 377 | DEF_GM( return new ConicalGradientsGM(kEdge_GradCaseType, true); ) |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 378 | |
Florin Malita | 26249e0 | 2017-06-27 13:38:26 -0400 | [diff] [blame] | 379 | DEF_GM( return new ConicalGradientsGM(kInside_GradCaseType, true, SkShader::kRepeat_TileMode); ) |
| 380 | DEF_GM( return new ConicalGradientsGM(kOutside_GradCaseType, true, SkShader::kRepeat_TileMode); ) |
| 381 | DEF_GM( return new ConicalGradientsGM(kEdge_GradCaseType, true, SkShader::kRepeat_TileMode); ) |
| 382 | |
| 383 | DEF_GM( return new ConicalGradientsGM(kInside_GradCaseType, true, SkShader::kMirror_TileMode); ) |
| 384 | DEF_GM( return new ConicalGradientsGM(kOutside_GradCaseType, true, SkShader::kMirror_TileMode); ) |
| 385 | DEF_GM( return new ConicalGradientsGM(kEdge_GradCaseType, true, SkShader::kMirror_TileMode); ) |
| 386 | |
fmalita | 063675b | 2015-10-12 10:41:48 -0700 | [diff] [blame] | 387 | DEF_GM( return new ConicalGradientsGM(kInside_GradCaseType, false); ) |
| 388 | DEF_GM( return new ConicalGradientsGM(kOutside_GradCaseType, false); ) |
| 389 | DEF_GM( return new ConicalGradientsGM(kEdge_GradCaseType, false); ) |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 390 | |
commit-bot@chromium.org | c8379d7 | 2014-04-22 20:56:37 +0000 | [diff] [blame] | 391 | } |