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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkCanvas.h" | 8 #include "SkCanvas.h" |
9 #include "SkColor.h" | 9 #include "SkColor.h" |
10 #include "SkGradientShader.h" | 10 #include "SkGradientShader.h" |
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55 {{sZero, sOne}, {sOne, sZero}} | 55 {{sZero, sOne}, {sOne, sZero}} |
56 }; | 56 }; |
57 | 57 |
58 // These define the pixels allocated to each gradient image. | 58 // These define the pixels allocated to each gradient image. |
59 static const SkScalar TESTGRID_X = SkIntToScalar(200); | 59 static const SkScalar TESTGRID_X = SkIntToScalar(200); |
60 static const SkScalar TESTGRID_Y = SkIntToScalar(200); | 60 static const SkScalar TESTGRID_Y = SkIntToScalar(200); |
61 | 61 |
62 static const int IMAGES_X = 4; // number of images per row | 62 static const int IMAGES_X = 4; // number of images per row |
63 | 63 |
64 static SkShader* make_linear_gradient(const SkPoint pts[2], const SkMatrix& loca
lMatrix) { | 64 static SkShader* make_linear_gradient(const SkPoint pts[2], const SkMatrix& loca
lMatrix) { |
65 return SkGradientShader::CreateLinear(pts, gColors, NULL, SK_ARRAY_COUNT(gCo
lors), | 65 return SkGradientShader::CreateLinear(pts, gColors, nullptr, SK_ARRAY_COUNT(
gColors), |
66 SkShader::kClamp_TileMode, 0, &localMa
trix); | 66 SkShader::kClamp_TileMode, 0, &localMa
trix); |
67 } | 67 } |
68 | 68 |
69 static SkShader* make_radial_gradient(const SkPoint pts[2], const SkMatrix& loca
lMatrix) { | 69 static SkShader* make_radial_gradient(const SkPoint pts[2], const SkMatrix& loca
lMatrix) { |
70 SkPoint center; | 70 SkPoint center; |
71 center.set(SkScalarAve(pts[0].fX, pts[1].fX), | 71 center.set(SkScalarAve(pts[0].fX, pts[1].fX), |
72 SkScalarAve(pts[0].fY, pts[1].fY)); | 72 SkScalarAve(pts[0].fY, pts[1].fY)); |
73 float radius = (center - pts[0]).length(); | 73 float radius = (center - pts[0]).length(); |
74 return SkGradientShader::CreateRadial(center, radius, gColors, NULL, SK_ARRA
Y_COUNT(gColors), | 74 return SkGradientShader::CreateRadial(center, radius, gColors, nullptr, SK_A
RRAY_COUNT(gColors), |
75 SkShader::kClamp_TileMode, 0, &localMa
trix); | 75 SkShader::kClamp_TileMode, 0, &localMa
trix); |
76 } | 76 } |
77 | 77 |
78 static void draw_gradients(SkCanvas* canvas, | 78 static void draw_gradients(SkCanvas* canvas, |
79 SkShader* (*makeShader)(const SkPoint[2], const SkMat
rix&), | 79 SkShader* (*makeShader)(const SkPoint[2], const SkMat
rix&), |
80 const SkPoint ptsArray[][2], int numImages) { | 80 const SkPoint ptsArray[][2], int numImages) { |
81 // Use some nice prime numbers for the rectangle and matrix with | 81 // Use some nice prime numbers for the rectangle and matrix with |
82 // different scaling along the x and y axes (which is the bug this | 82 // different scaling along the x and y axes (which is the bug this |
83 // test addresses, where incorrect order of operations mixed up the axes) | 83 // test addresses, where incorrect order of operations mixed up the axes) |
84 SkRect rectGrad = { | 84 SkRect rectGrad = { |
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138 draw_gradients(canvas, &make_radial_gradient, | 138 draw_gradients(canvas, &make_radial_gradient, |
139 radialPts, SK_ARRAY_COUNT(radialPts)); | 139 radialPts, SK_ARRAY_COUNT(radialPts)); |
140 } | 140 } |
141 | 141 |
142 private: | 142 private: |
143 typedef GM INHERITED; | 143 typedef GM INHERITED; |
144 }; | 144 }; |
145 | 145 |
146 DEF_GM( return new GradientMatrixGM; ) | 146 DEF_GM( return new GradientMatrixGM; ) |
147 } | 147 } |
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