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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 #include "SampleCode.h" | 8 #include "SampleCode.h" |
9 #include "SkView.h" | 9 #include "SkView.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
11 #include "SkGradientShader.h" | 11 #include "SkGradientShader.h" |
12 #include "SkGraphics.h" | 12 #include "SkGraphics.h" |
13 #include "SkImageDecoder.h" | 13 #include "SkImageDecoder.h" |
14 #include "SkPath.h" | 14 #include "SkPath.h" |
15 #include "SkRegion.h" | 15 #include "SkRegion.h" |
16 #include "SkShader.h" | 16 #include "SkShader.h" |
17 #include "SkUtils.h" | 17 #include "SkUtils.h" |
18 #include "SkXfermode.h" | 18 #include "SkXfermode.h" |
19 #include "SkComposeShader.h" | |
20 #include "SkColorPriv.h" | 19 #include "SkColorPriv.h" |
21 #include "SkColorFilter.h" | 20 #include "SkColorFilter.h" |
22 #include "SkTime.h" | 21 #include "SkTime.h" |
23 #include "SkTypeface.h" | 22 #include "SkTypeface.h" |
24 | 23 |
25 static SkShader* make_bitmapfade(const SkBitmap& bm) | 24 static SkShader* make_bitmapfade(const SkBitmap& bm) |
26 { | 25 { |
27 SkPoint pts[2]; | 26 SkPoint pts[2]; |
28 SkColor colors[2]; | 27 SkColor colors[2]; |
29 | 28 |
30 pts[0].set(0, 0); | 29 pts[0].set(0, 0); |
31 pts[1].set(0, SkIntToScalar(bm.height())); | 30 pts[1].set(0, SkIntToScalar(bm.height())); |
32 colors[0] = SK_ColorBLACK; | 31 colors[0] = SK_ColorBLACK; |
33 colors[1] = SkColorSetARGB(0, 0, 0, 0); | 32 colors[1] = SkColorSetARGB(0, 0, 0, 0); |
34 SkShader* shaderA = SkGradientShader::CreateLinear(pts, colors, nullptr, 2,
SkShader::kClamp_TileMode); | 33 SkShader* shaderA = SkGradientShader::CreateLinear(pts, colors, nullptr, 2,
SkShader::kClamp_TileMode); |
35 | 34 |
36 SkShader* shaderB = SkShader::CreateBitmapShader(bm, | 35 SkShader* shaderB = SkShader::CreateBitmapShader(bm, |
37 SkShader::kClamp_TileMode, SkShader::kClamp_TileMode); | 36 SkShader::kClamp_TileMode, SkShader::kClamp_TileMode); |
38 | 37 |
39 SkXfermode* mode = SkXfermode::Create(SkXfermode::kDstIn_Mode); | 38 SkXfermode* mode = SkXfermode::Create(SkXfermode::kDstIn_Mode); |
40 | 39 |
41 SkShader* shader = new SkComposeShader(shaderB, shaderA, mode); | 40 SkShader* shader = SkShader::CreateComposeShader(shaderB, shaderA, mode); |
42 shaderA->unref(); | 41 shaderA->unref(); |
43 shaderB->unref(); | 42 shaderB->unref(); |
44 mode->unref(); | 43 mode->unref(); |
45 | 44 |
46 return shader; | 45 return shader; |
47 } | 46 } |
48 | 47 |
49 class ShaderView : public SampleView { | 48 class ShaderView : public SampleView { |
50 public: | 49 public: |
51 SkShader* fShader; | 50 SkShader* fShader; |
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64 SkShader* shaderA = SkGradientShader::CreateLinear(pts, colors, nullptr,
2, SkShader::kClamp_TileMode); | 63 SkShader* shaderA = SkGradientShader::CreateLinear(pts, colors, nullptr,
2, SkShader::kClamp_TileMode); |
65 | 64 |
66 pts[0].set(0, 0); | 65 pts[0].set(0, 0); |
67 pts[1].set(0, SkIntToScalar(100)); | 66 pts[1].set(0, SkIntToScalar(100)); |
68 colors[0] = SK_ColorBLACK; | 67 colors[0] = SK_ColorBLACK; |
69 colors[1] = SkColorSetARGB(0x80, 0, 0, 0); | 68 colors[1] = SkColorSetARGB(0x80, 0, 0, 0); |
70 SkShader* shaderB = SkGradientShader::CreateLinear(pts, colors, nullptr,
2, SkShader::kClamp_TileMode); | 69 SkShader* shaderB = SkGradientShader::CreateLinear(pts, colors, nullptr,
2, SkShader::kClamp_TileMode); |
71 | 70 |
72 SkXfermode* mode = SkXfermode::Create(SkXfermode::kDstIn_Mode); | 71 SkXfermode* mode = SkXfermode::Create(SkXfermode::kDstIn_Mode); |
73 | 72 |
74 fShader = new SkComposeShader(shaderA, shaderB, mode); | 73 fShader = SkShader::CreateComposeShader(shaderA, shaderB, mode); |
75 shaderA->unref(); | 74 shaderA->unref(); |
76 shaderB->unref(); | 75 shaderB->unref(); |
77 mode->unref(); | 76 mode->unref(); |
78 } | 77 } |
79 virtual ~ShaderView() { | 78 virtual ~ShaderView() { |
80 SkSafeUnref(fShader); | 79 SkSafeUnref(fShader); |
81 } | 80 } |
82 | 81 |
83 protected: | 82 protected: |
84 // overrides from SkEventSink | 83 // overrides from SkEventSink |
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127 } | 126 } |
128 | 127 |
129 private: | 128 private: |
130 typedef SampleView INHERITED; | 129 typedef SampleView INHERITED; |
131 }; | 130 }; |
132 | 131 |
133 ////////////////////////////////////////////////////////////////////////////// | 132 ////////////////////////////////////////////////////////////////////////////// |
134 | 133 |
135 static SkView* MyFactory() { return new ShaderView; } | 134 static SkView* MyFactory() { return new ShaderView; } |
136 static SkViewRegister reg(MyFactory); | 135 static SkViewRegister reg(MyFactory); |
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