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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 { |
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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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