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| 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 { |
| (...skipping 23 matching lines...) Expand all Loading... |
| 34 | 34 |
| 35 protected: | 35 protected: |
| 36 SkString onShortName() { | 36 SkString onShortName() { |
| 37 return fName; | 37 return fName; |
| 38 } | 38 } |
| 39 | 39 |
| 40 virtual SkISize onISize() { return make_isize(320, 240); } | 40 virtual SkISize onISize() { return make_isize(320, 240); } |
| 41 | 41 |
| 42 virtual SkMatrix onGetInitialTransform() const SK_OVERRIDE { | 42 virtual SkMatrix onGetInitialTransform() const SK_OVERRIDE { |
| 43 SkMatrix result; | 43 SkMatrix result; |
| 44 SkScalar scale = SkFloatToScalar(0.8f); | 44 SkScalar scale = 0.8f; |
| 45 result.setScale(scale, scale); | 45 result.setScale(scale, scale); |
| 46 result.postTranslate(SkIntToScalar(7), SkIntToScalar(23)); | 46 result.postTranslate(SkIntToScalar(7), SkIntToScalar(23)); |
| 47 return result; | 47 return result; |
| 48 } | 48 } |
| 49 | 49 |
| 50 virtual void onDraw(SkCanvas* canvas) { | 50 virtual void onDraw(SkCanvas* canvas) { |
| 51 // The PDF device has already clipped to the content area, but we | 51 // The PDF device has already clipped to the content area, but we |
| 52 // do it again here so that the raster and pdf results are consistent. | 52 // do it again here so that the raster and pdf results are consistent. |
| 53 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(320), | 53 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(320), |
| 54 SkIntToScalar(240))); | 54 SkIntToScalar(240))); |
| 55 | 55 |
| 56 SkMatrix canvasScale; | 56 SkMatrix canvasScale; |
| 57 SkScalar scale = SkFloatToScalar(0.7f); | 57 SkScalar scale = 0.7f; |
| 58 canvasScale.setScale(scale, scale); | 58 canvasScale.setScale(scale, scale); |
| 59 canvas->concat(canvasScale); | 59 canvas->concat(canvasScale); |
| 60 | 60 |
| 61 // Background shader. | 61 // Background shader. |
| 62 SkPaint paint; | 62 SkPaint paint; |
| 63 paint.setShader(MakeShader(559, 387, false))->unref(); | 63 paint.setShader(MakeShader(559, 387, false))->unref(); |
| 64 SkRect r = SkRect::MakeXYWH(SkIntToScalar(-12), SkIntToScalar(-41), | 64 SkRect r = SkRect::MakeXYWH(SkIntToScalar(-12), SkIntToScalar(-41), |
| 65 SkIntToScalar(571), SkIntToScalar(428)); | 65 SkIntToScalar(571), SkIntToScalar(428)); |
| 66 canvas->drawRect(r, paint); | 66 canvas->drawRect(r, paint); |
| 67 | 67 |
| 68 // Constrained shader. | 68 // Constrained shader. |
| 69 paint.setShader(MakeShader(101, 151, true))->unref(); | 69 paint.setShader(MakeShader(101, 151, true))->unref(); |
| 70 r = SkRect::MakeXYWH(SkIntToScalar(43), SkIntToScalar(71), | 70 r = SkRect::MakeXYWH(SkIntToScalar(43), SkIntToScalar(71), |
| 71 SkIntToScalar(101), SkIntToScalar(151)); | 71 SkIntToScalar(101), SkIntToScalar(151)); |
| 72 canvas->clipRect(r); | 72 canvas->clipRect(r); |
| 73 canvas->drawRect(r, paint); | 73 canvas->drawRect(r, paint); |
| 74 } | 74 } |
| 75 | 75 |
| 76 SkShader* MakeShader(int width, int height, bool background) { | 76 SkShader* MakeShader(int width, int height, bool background) { |
| 77 SkScalar scale = SkFloatToScalar(0.5f); | 77 SkScalar scale = 0.5f; |
| 78 if (background) { | 78 if (background) { |
| 79 scale = SkFloatToScalar(0.6f); | 79 scale = 0.6f; |
| 80 } | 80 } |
| 81 SkScalar shaderWidth = SkScalarDiv(SkIntToScalar(width), scale); | 81 SkScalar shaderWidth = SkScalarDiv(SkIntToScalar(width), scale); |
| 82 SkScalar shaderHeight = SkScalarDiv(SkIntToScalar(height), scale); | 82 SkScalar shaderHeight = SkScalarDiv(SkIntToScalar(height), scale); |
| 83 SkShader* shader = fShaderMaker(shaderWidth, shaderHeight, background); | 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 shader->setLocalMatrix(shaderScale); |
| 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 } |
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