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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 | |
8 #include "gm.h" | 7 #include "gm.h" |
9 #include "SkGradientShader.h" | 8 #include "SkGradientShader.h" |
10 | 9 |
11 namespace skiagm { | 10 namespace skiagm { |
12 | 11 |
13 static sk_sp<SkShader> MakeLinear(SkScalar width, SkScalar height, bool alternat
e, | 12 static SkShader* MakeLinear(SkScalar width, SkScalar height, bool alternate, |
14 const SkMatrix& localMatrix) { | 13 const SkMatrix& localMatrix) { |
15 SkPoint pts[2] = { {0, 0}, {width, height}}; | 14 SkPoint pts[2] = { {0, 0}, {width, height}}; |
16 SkColor colors[2] = {SK_ColorRED, SK_ColorGREEN}; | 15 SkColor colors[2] = {SK_ColorRED, SK_ColorGREEN}; |
17 if (alternate) { | 16 if (alternate) { |
18 pts[1].fY = 0; | 17 pts[1].fY = 0; |
19 colors[0] = SK_ColorBLUE; | 18 colors[0] = SK_ColorBLUE; |
20 colors[1] = SK_ColorYELLOW; | 19 colors[1] = SK_ColorYELLOW; |
21 } | 20 } |
22 return SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkShader::kClam
p_TileMode, | 21 return SkGradientShader::CreateLinear(pts, colors, nullptr, 2, |
23 0, &localMatrix); | 22 SkShader::kClamp_TileMode, 0, &localMatr
ix); |
24 } | 23 } |
25 | 24 |
26 /////////////////////////////////////////////////////////////////////////////// | 25 /////////////////////////////////////////////////////////////////////////////// |
27 | 26 |
28 class ShaderBoundsGM : public GM { | 27 class ShaderBoundsGM : public GM { |
29 public: | 28 public: |
30 typedef sk_sp<SkShader> (*ShaderGenFunc)(SkScalar width, SkScalar height, | 29 typedef SkShader* (*ShaderGenFunc)(SkScalar width, SkScalar height, |
31 bool alternate, const SkMatrix& loc
alMatrix); | 30 bool alternate, const SkMatrix& localMatr
ix); |
32 ShaderBoundsGM(ShaderGenFunc maker, const SkString& name) | 31 ShaderBoundsGM(ShaderGenFunc maker, const SkString& name) |
33 : fShaderMaker(maker), | 32 : fShaderMaker(maker), |
34 fName(name) { | 33 fName(name) { |
35 } | 34 } |
36 | 35 |
37 protected: | 36 protected: |
38 | 37 |
39 SkString onShortName() override { | 38 SkString onShortName() override { |
40 return fName; | 39 return fName; |
41 } | 40 } |
(...skipping 14 matching lines...) Expand all Loading... |
56 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(320), | 55 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(320), |
57 SkIntToScalar(240))); | 56 SkIntToScalar(240))); |
58 | 57 |
59 SkMatrix canvasScale; | 58 SkMatrix canvasScale; |
60 SkScalar scale = 0.7f; | 59 SkScalar scale = 0.7f; |
61 canvasScale.setScale(scale, scale); | 60 canvasScale.setScale(scale, scale); |
62 canvas->concat(canvasScale); | 61 canvas->concat(canvasScale); |
63 | 62 |
64 // Background shader. | 63 // Background shader. |
65 SkPaint paint; | 64 SkPaint paint; |
66 paint.setShader(MakeShader(559, 387, false)); | 65 paint.setShader(MakeShader(559, 387, false))->unref(); |
67 SkRect r = SkRect::MakeXYWH(SkIntToScalar(-12), SkIntToScalar(-41), | 66 SkRect r = SkRect::MakeXYWH(SkIntToScalar(-12), SkIntToScalar(-41), |
68 SkIntToScalar(571), SkIntToScalar(428)); | 67 SkIntToScalar(571), SkIntToScalar(428)); |
69 canvas->drawRect(r, paint); | 68 canvas->drawRect(r, paint); |
70 | 69 |
71 // Constrained shader. | 70 // Constrained shader. |
72 paint.setShader(MakeShader(101, 151, true)); | 71 paint.setShader(MakeShader(101, 151, true))->unref(); |
73 r = SkRect::MakeXYWH(SkIntToScalar(43), SkIntToScalar(71), | 72 r = SkRect::MakeXYWH(SkIntToScalar(43), SkIntToScalar(71), |
74 SkIntToScalar(101), SkIntToScalar(151)); | 73 SkIntToScalar(101), SkIntToScalar(151)); |
75 canvas->clipRect(r); | 74 canvas->clipRect(r); |
76 canvas->drawRect(r, paint); | 75 canvas->drawRect(r, paint); |
77 } | 76 } |
78 | 77 |
79 sk_sp<SkShader> MakeShader(int width, int height, bool background) { | 78 SkShader* MakeShader(int width, int height, bool background) { |
80 SkScalar scale = 0.5f; | 79 SkScalar scale = 0.5f; |
81 if (background) { | 80 if (background) { |
82 scale = 0.6f; | 81 scale = 0.6f; |
83 } | 82 } |
84 SkScalar shaderWidth = width / scale; | 83 SkScalar shaderWidth = width / scale; |
85 SkScalar shaderHeight = height / scale; | 84 SkScalar shaderHeight = height / scale; |
86 SkMatrix shaderScale = SkMatrix::MakeScale(scale); | 85 SkMatrix shaderScale = SkMatrix::MakeScale(scale); |
87 return fShaderMaker(shaderWidth, shaderHeight, background, shaderScale); | 86 SkShader* shader = fShaderMaker(shaderWidth, shaderHeight, background, s
haderScale); |
| 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 sk_sp<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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