| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #include "gm.h" | 7 #include "gm.h" |
| 8 #include "SkGradientShader.h" | 8 #include "SkGradientShader.h" |
| 9 | 9 |
| 10 namespace skiagm { | 10 namespace skiagm { |
| 11 | 11 |
| 12 static SkShader* MakeLinear(SkScalar width, SkScalar height, bool alternate) { | 12 static SkShader* MakeLinear(SkScalar width, SkScalar height, bool alternate, |
| 13 const SkMatrix& localMatrix) { |
| 13 SkPoint pts[2] = { {0, 0}, {width, height}}; | 14 SkPoint pts[2] = { {0, 0}, {width, height}}; |
| 14 SkColor colors[2] = {SK_ColorRED, SK_ColorGREEN}; | 15 SkColor colors[2] = {SK_ColorRED, SK_ColorGREEN}; |
| 15 if (alternate) { | 16 if (alternate) { |
| 16 pts[1].fY = 0; | 17 pts[1].fY = 0; |
| 17 colors[0] = SK_ColorBLUE; | 18 colors[0] = SK_ColorBLUE; |
| 18 colors[1] = SK_ColorYELLOW; | 19 colors[1] = SK_ColorYELLOW; |
| 19 } | 20 } |
| 20 return SkGradientShader::CreateLinear(pts, colors, NULL, 2, | 21 return SkGradientShader::CreateLinear(pts, colors, NULL, 2, |
| 21 SkShader::kClamp_TileMode, NULL); | 22 SkShader::kClamp_TileMode, NULL, 0, &loc
alMatrix); |
| 22 } | 23 } |
| 23 | 24 |
| 24 /////////////////////////////////////////////////////////////////////////////// | 25 /////////////////////////////////////////////////////////////////////////////// |
| 25 | 26 |
| 26 class ShaderBoundsGM : public GM { | 27 class ShaderBoundsGM : public GM { |
| 27 public: | 28 public: |
| 28 typedef SkShader* (*ShaderGenFunc)(SkScalar width, SkScalar height, | 29 typedef SkShader* (*ShaderGenFunc)(SkScalar width, SkScalar height, |
| 29 bool alternate); | 30 bool alternate, const SkMatrix& localMatr
ix); |
| 30 ShaderBoundsGM(ShaderGenFunc maker, const SkString& name) | 31 ShaderBoundsGM(ShaderGenFunc maker, const SkString& name) |
| 31 : fShaderMaker(maker), | 32 : fShaderMaker(maker), |
| 32 fName(name) { | 33 fName(name) { |
| 33 } | 34 } |
| 34 | 35 |
| 35 protected: | 36 protected: |
| 36 SkString onShortName() { | 37 SkString onShortName() { |
| 37 return fName; | 38 return fName; |
| 38 } | 39 } |
| 39 | 40 |
| (...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 73 canvas->drawRect(r, paint); | 74 canvas->drawRect(r, paint); |
| 74 } | 75 } |
| 75 | 76 |
| 76 SkShader* MakeShader(int width, int height, bool background) { | 77 SkShader* MakeShader(int width, int height, bool background) { |
| 77 SkScalar scale = 0.5f; | 78 SkScalar scale = 0.5f; |
| 78 if (background) { | 79 if (background) { |
| 79 scale = 0.6f; | 80 scale = 0.6f; |
| 80 } | 81 } |
| 81 SkScalar shaderWidth = SkScalarDiv(SkIntToScalar(width), scale); | 82 SkScalar shaderWidth = SkScalarDiv(SkIntToScalar(width), scale); |
| 82 SkScalar shaderHeight = SkScalarDiv(SkIntToScalar(height), scale); | 83 SkScalar shaderHeight = SkScalarDiv(SkIntToScalar(height), scale); |
| 83 SkShader* shader = fShaderMaker(shaderWidth, shaderHeight, background); | |
| 84 SkMatrix shaderScale; | 84 SkMatrix shaderScale; |
| 85 shaderScale.setScale(scale, scale); | 85 shaderScale.setScale(scale, scale); |
| 86 shader->setLocalMatrix(shaderScale); | 86 SkShader* shader = fShaderMaker(shaderWidth, shaderHeight, background, s
haderScale); |
| 87 return shader; | 87 return shader; |
| 88 } | 88 } |
| 89 | 89 |
| 90 private: | 90 private: |
| 91 typedef GM INHERITED; | 91 typedef GM INHERITED; |
| 92 | 92 |
| 93 ShaderGenFunc fShaderMaker; | 93 ShaderGenFunc fShaderMaker; |
| 94 SkString fName; | 94 SkString fName; |
| 95 | 95 |
| 96 SkShader* MakeShader(bool background); | 96 SkShader* MakeShader(bool background); |
| 97 }; | 97 }; |
| 98 | 98 |
| 99 /////////////////////////////////////////////////////////////////////////////// | 99 /////////////////////////////////////////////////////////////////////////////// |
| 100 | 100 |
| 101 static GM* MyFactory(void*) { | 101 static GM* MyFactory(void*) { |
| 102 return new ShaderBoundsGM(MakeLinear, SkString("shaderbounds_linear")); | 102 return new ShaderBoundsGM(MakeLinear, SkString("shaderbounds_linear")); |
| 103 } | 103 } |
| 104 static GMRegistry reg(MyFactory); | 104 static GMRegistry reg(MyFactory); |
| 105 | 105 |
| 106 } | 106 } |
| OLD | NEW |