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Side by Side Diff: samplecode/SampleShaders.cpp

Issue 1697523003: make SkComposeShader.h private (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 10 months ago
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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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