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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" |
| (...skipping 13 matching lines...) Expand all Loading... |
| 24 | 24 |
| 25 static SkShader* make_bitmapfade(const SkBitmap& bm) | 25 static SkShader* make_bitmapfade(const SkBitmap& bm) |
| 26 { | 26 { |
| 27 SkPoint pts[2]; | 27 SkPoint pts[2]; |
| 28 SkColor colors[2]; | 28 SkColor colors[2]; |
| 29 | 29 |
| 30 pts[0].set(0, 0); | 30 pts[0].set(0, 0); |
| 31 pts[1].set(0, SkIntToScalar(bm.height())); | 31 pts[1].set(0, SkIntToScalar(bm.height())); |
| 32 colors[0] = SK_ColorBLACK; | 32 colors[0] = SK_ColorBLACK; |
| 33 colors[1] = SkColorSetARGB(0, 0, 0, 0); | 33 colors[1] = SkColorSetARGB(0, 0, 0, 0); |
| 34 SkShader* shaderA = SkGradientShader::CreateLinear(pts, colors, NULL, 2, SkS
hader::kClamp_TileMode); | 34 SkShader* shaderA = SkGradientShader::CreateLinear(pts, colors, nullptr, 2,
SkShader::kClamp_TileMode); |
| 35 | 35 |
| 36 SkShader* shaderB = SkShader::CreateBitmapShader(bm, | 36 SkShader* shaderB = SkShader::CreateBitmapShader(bm, |
| 37 SkShader::kClamp_TileMode, SkShader::kClamp_TileMode); | 37 SkShader::kClamp_TileMode, SkShader::kClamp_TileMode); |
| 38 | 38 |
| 39 SkXfermode* mode = SkXfermode::Create(SkXfermode::kDstIn_Mode); | 39 SkXfermode* mode = SkXfermode::Create(SkXfermode::kDstIn_Mode); |
| 40 | 40 |
| 41 SkShader* shader = new SkComposeShader(shaderB, shaderA, mode); | 41 SkShader* shader = new SkComposeShader(shaderB, shaderA, mode); |
| 42 shaderA->unref(); | 42 shaderA->unref(); |
| 43 shaderB->unref(); | 43 shaderB->unref(); |
| 44 mode->unref(); | 44 mode->unref(); |
| 45 | 45 |
| 46 return shader; | 46 return shader; |
| 47 } | 47 } |
| 48 | 48 |
| 49 class ShaderView : public SampleView { | 49 class ShaderView : public SampleView { |
| 50 public: | 50 public: |
| 51 SkShader* fShader; | 51 SkShader* fShader; |
| 52 SkBitmap fBitmap; | 52 SkBitmap fBitmap; |
| 53 | 53 |
| 54 ShaderView() { | 54 ShaderView() { |
| 55 SkImageDecoder::DecodeFile("/skimages/logo.gif", &fBitmap); | 55 SkImageDecoder::DecodeFile("/skimages/logo.gif", &fBitmap); |
| 56 | 56 |
| 57 SkPoint pts[2]; | 57 SkPoint pts[2]; |
| 58 SkColor colors[2]; | 58 SkColor colors[2]; |
| 59 | 59 |
| 60 pts[0].set(0, 0); | 60 pts[0].set(0, 0); |
| 61 pts[1].set(SkIntToScalar(100), 0); | 61 pts[1].set(SkIntToScalar(100), 0); |
| 62 colors[0] = SK_ColorRED; | 62 colors[0] = SK_ColorRED; |
| 63 colors[1] = SK_ColorBLUE; | 63 colors[1] = SK_ColorBLUE; |
| 64 SkShader* shaderA = SkGradientShader::CreateLinear(pts, colors, NULL, 2,
SkShader::kClamp_TileMode); | 64 SkShader* shaderA = SkGradientShader::CreateLinear(pts, colors, nullptr,
2, SkShader::kClamp_TileMode); |
| 65 | 65 |
| 66 pts[0].set(0, 0); | 66 pts[0].set(0, 0); |
| 67 pts[1].set(0, SkIntToScalar(100)); | 67 pts[1].set(0, SkIntToScalar(100)); |
| 68 colors[0] = SK_ColorBLACK; | 68 colors[0] = SK_ColorBLACK; |
| 69 colors[1] = SkColorSetARGB(0x80, 0, 0, 0); | 69 colors[1] = SkColorSetARGB(0x80, 0, 0, 0); |
| 70 SkShader* shaderB = SkGradientShader::CreateLinear(pts, colors, NULL, 2,
SkShader::kClamp_TileMode); | 70 SkShader* shaderB = SkGradientShader::CreateLinear(pts, colors, nullptr,
2, SkShader::kClamp_TileMode); |
| 71 | 71 |
| 72 SkXfermode* mode = SkXfermode::Create(SkXfermode::kDstIn_Mode); | 72 SkXfermode* mode = SkXfermode::Create(SkXfermode::kDstIn_Mode); |
| 73 | 73 |
| 74 fShader = new SkComposeShader(shaderA, shaderB, mode); | 74 fShader = new SkComposeShader(shaderA, shaderB, mode); |
| 75 shaderA->unref(); | 75 shaderA->unref(); |
| 76 shaderB->unref(); | 76 shaderB->unref(); |
| 77 mode->unref(); | 77 mode->unref(); |
| 78 } | 78 } |
| 79 virtual ~ShaderView() { | 79 virtual ~ShaderView() { |
| 80 SkSafeUnref(fShader); | 80 SkSafeUnref(fShader); |
| (...skipping 23 matching lines...) Expand all Loading... |
| 104 canvas->drawRectCoords(0, 0, SkIntToScalar(100), SkIntToScalar(100), pai
nt); | 104 canvas->drawRectCoords(0, 0, SkIntToScalar(100), SkIntToScalar(100), pai
nt); |
| 105 | 105 |
| 106 canvas->translate(SkIntToScalar(110), 0); | 106 canvas->translate(SkIntToScalar(110), 0); |
| 107 | 107 |
| 108 int w = fBitmap.width(); | 108 int w = fBitmap.width(); |
| 109 int h = fBitmap.height(); | 109 int h = fBitmap.height(); |
| 110 w = 120; | 110 w = 120; |
| 111 h = 80; | 111 h = 80; |
| 112 r.set(0, 0, SkIntToScalar(w), SkIntToScalar(h)); | 112 r.set(0, 0, SkIntToScalar(w), SkIntToScalar(h)); |
| 113 | 113 |
| 114 paint.setShader(NULL); | 114 paint.setShader(nullptr); |
| 115 canvas->drawRect(r, paint); | 115 canvas->drawRect(r, paint); |
| 116 paint.setShader(make_bitmapfade(fBitmap))->unref(); | 116 paint.setShader(make_bitmapfade(fBitmap))->unref(); |
| 117 canvas->drawRect(r, paint); | 117 canvas->drawRect(r, paint); |
| 118 } | 118 } |
| 119 | 119 |
| 120 SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) ove
rride { | 120 SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) ove
rride { |
| 121 this->inval(NULL); | 121 this->inval(nullptr); |
| 122 return this->INHERITED::onFindClickHandler(x, y, modi); | 122 return this->INHERITED::onFindClickHandler(x, y, modi); |
| 123 } | 123 } |
| 124 | 124 |
| 125 bool onClick(Click* click) override { | 125 bool onClick(Click* click) override { |
| 126 return this->INHERITED::onClick(click); | 126 return this->INHERITED::onClick(click); |
| 127 } | 127 } |
| 128 | 128 |
| 129 private: | 129 private: |
| 130 typedef SampleView INHERITED; | 130 typedef SampleView INHERITED; |
| 131 }; | 131 }; |
| 132 | 132 |
| 133 ////////////////////////////////////////////////////////////////////////////// | 133 ////////////////////////////////////////////////////////////////////////////// |
| 134 | 134 |
| 135 static SkView* MyFactory() { return new ShaderView; } | 135 static SkView* MyFactory() { return new ShaderView; } |
| 136 static SkViewRegister reg(MyFactory); | 136 static SkViewRegister reg(MyFactory); |
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