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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2013 Google Inc. | 3 * Copyright 2013 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 "gm.h" | 8 #include "gm.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkGradientShader.h" | 10 #include "SkGradientShader.h" |
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115 private: | 115 private: |
116 /** | 116 /** |
117 * GrContext has optimizations around full rendertarget draws that can be re
placed with clears. | 117 * GrContext has optimizations around full rendertarget draws that can be re
placed with clears. |
118 * We are trying to test those. We could use saveLayer() to create small SkG
puDevices but | 118 * We are trying to test those. We could use saveLayer() to create small SkG
puDevices but |
119 * saveLayer() uses the texture cache. This means that the actual render tar
get may be larger | 119 * saveLayer() uses the texture cache. This means that the actual render tar
get may be larger |
120 * than the layer. Because the clip will contain the layer's bounds, no draw
s will be full-RT. | 120 * than the layer. Because the clip will contain the layer's bounds, no draw
s will be full-RT. |
121 * So when running on a GPU canvas we explicitly create a temporary canvas u
sing a texture with | 121 * So when running on a GPU canvas we explicitly create a temporary canvas u
sing a texture with |
122 * dimensions exactly matching the layer size. | 122 * dimensions exactly matching the layer size. |
123 */ | 123 */ |
124 SkCanvas* possiblyCreateTempCanvas(SkCanvas* baseCanvas, int w, int h) { | 124 SkCanvas* possiblyCreateTempCanvas(SkCanvas* baseCanvas, int w, int h) { |
125 SkCanvas* tempCanvas = NULL; | 125 SkCanvas* tempCanvas = nullptr; |
126 #if SK_SUPPORT_GPU | 126 #if SK_SUPPORT_GPU |
127 GrContext* context = baseCanvas->getGrContext(); | 127 GrContext* context = baseCanvas->getGrContext(); |
128 SkImageInfo baseInfo = baseCanvas->imageInfo(); | 128 SkImageInfo baseInfo = baseCanvas->imageInfo(); |
129 SkImageInfo info = SkImageInfo::Make(w, h, baseInfo.colorType(), baseInf
o.alphaType(), | 129 SkImageInfo info = SkImageInfo::Make(w, h, baseInfo.colorType(), baseInf
o.alphaType(), |
130 baseInfo.profileType()); | 130 baseInfo.profileType()); |
131 SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(context, SkSu
rface::kNo_Budgeted, | 131 SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(context, SkSu
rface::kNo_Budgeted, |
132 info, 0, NULL)); | 132 info, 0, nullptr)); |
133 if (surface) { | 133 if (surface) { |
134 tempCanvas = SkRef(surface->getCanvas()); | 134 tempCanvas = SkRef(surface->getCanvas()); |
135 } | 135 } |
136 #endif | 136 #endif |
137 return tempCanvas; | 137 return tempCanvas; |
138 } | 138 } |
139 | 139 |
140 void drawMode(SkCanvas* canvas, | 140 void drawMode(SkCanvas* canvas, |
141 int x, int y, int w, int h, | 141 int x, int y, int w, int h, |
142 const SkPaint& modePaint, SkCanvas* layerCanvas) { | 142 const SkPaint& modePaint, SkCanvas* layerCanvas) { |
143 canvas->save(); | 143 canvas->save(); |
144 | 144 |
145 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); | 145 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
146 | 146 |
147 SkRect r = SkRect::MakeWH(SkIntToScalar(w), SkIntToScalar(h)); | 147 SkRect r = SkRect::MakeWH(SkIntToScalar(w), SkIntToScalar(h)); |
148 | 148 |
149 SkCanvas* modeCanvas; | 149 SkCanvas* modeCanvas; |
150 if (NULL == layerCanvas) { | 150 if (nullptr == layerCanvas) { |
151 canvas->saveLayer(&r, NULL); | 151 canvas->saveLayer(&r, nullptr); |
152 modeCanvas = canvas; | 152 modeCanvas = canvas; |
153 } else { | 153 } else { |
154 modeCanvas = layerCanvas; | 154 modeCanvas = layerCanvas; |
155 } | 155 } |
156 | 156 |
157 SkPaint bgPaint; | 157 SkPaint bgPaint; |
158 bgPaint.setAntiAlias(false); | 158 bgPaint.setAntiAlias(false); |
159 bgPaint.setShader(fBGShader); | 159 bgPaint.setShader(fBGShader); |
160 modeCanvas->drawRect(r, bgPaint); | 160 modeCanvas->drawRect(r, bgPaint); |
161 modeCanvas->drawRect(r, modePaint); | 161 modeCanvas->drawRect(r, modePaint); |
162 modeCanvas = NULL; | 162 modeCanvas = nullptr; |
163 | 163 |
164 if (NULL == layerCanvas) { | 164 if (nullptr == layerCanvas) { |
165 canvas->restore(); | 165 canvas->restore(); |
166 } else { | 166 } else { |
167 SkAutoROCanvasPixels ropixels(layerCanvas); | 167 SkAutoROCanvasPixels ropixels(layerCanvas); |
168 SkBitmap bitmap; | 168 SkBitmap bitmap; |
169 if (ropixels.asROBitmap(&bitmap)) { | 169 if (ropixels.asROBitmap(&bitmap)) { |
170 canvas->drawBitmap(bitmap, 0, 0); | 170 canvas->drawBitmap(bitmap, 0, 0); |
171 } | 171 } |
172 } | 172 } |
173 | 173 |
174 r.inset(-SK_ScalarHalf, -SK_ScalarHalf); | 174 r.inset(-SK_ScalarHalf, -SK_ScalarHalf); |
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198 SkShader::kRepeat_TileMode, | 198 SkShader::kRepeat_TileMode, |
199 &lm)); | 199 &lm)); |
200 | 200 |
201 SkPaint bmpPaint; | 201 SkPaint bmpPaint; |
202 static const SkPoint kCenter = { SkIntToScalar(kSize) / 2, SkIntToScalar
(kSize) / 2 }; | 202 static const SkPoint kCenter = { SkIntToScalar(kSize) / 2, SkIntToScalar
(kSize) / 2 }; |
203 static const SkColor kColors[] = { SK_ColorTRANSPARENT, 0x80800000, | 203 static const SkColor kColors[] = { SK_ColorTRANSPARENT, 0x80800000, |
204 0xF020F060, SK_ColorWHITE }; | 204 0xF020F060, SK_ColorWHITE }; |
205 bmpPaint.setShader(SkGradientShader::CreateRadial(kCenter, | 205 bmpPaint.setShader(SkGradientShader::CreateRadial(kCenter, |
206 3 * SkIntToScalar(kSiz
e) / 4, | 206 3 * SkIntToScalar(kSiz
e) / 4, |
207 kColors, | 207 kColors, |
208 NULL, | 208 nullptr, |
209 SK_ARRAY_COUNT(kColors
), | 209 SK_ARRAY_COUNT(kColors
), |
210 SkShader::kRepeat_Tile
Mode))->unref(); | 210 SkShader::kRepeat_Tile
Mode))->unref(); |
211 | 211 |
212 SkBitmap bmp; | 212 SkBitmap bmp; |
213 bmp.allocN32Pixels(kSize, kSize); | 213 bmp.allocN32Pixels(kSize, kSize); |
214 SkCanvas bmpCanvas(bmp); | 214 SkCanvas bmpCanvas(bmp); |
215 | 215 |
216 bmpCanvas.clear(SK_ColorTRANSPARENT); | 216 bmpCanvas.clear(SK_ColorTRANSPARENT); |
217 SkRect rect = { SkIntToScalar(kSize) / 8, SkIntToScalar(kSize) / 8, | 217 SkRect rect = { SkIntToScalar(kSize) / 8, SkIntToScalar(kSize) / 8, |
218 7 * SkIntToScalar(kSize) / 8, 7 * SkIntToScalar(kSize) /
8}; | 218 7 * SkIntToScalar(kSize) / 8, 7 * SkIntToScalar(kSize) /
8}; |
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233 SkAutoTUnref<SkShader> fBmpShader; | 233 SkAutoTUnref<SkShader> fBmpShader; |
234 | 234 |
235 typedef GM INHERITED; | 235 typedef GM INHERITED; |
236 }; | 236 }; |
237 | 237 |
238 ////////////////////////////////////////////////////////////////////////////// | 238 ////////////////////////////////////////////////////////////////////////////// |
239 | 239 |
240 DEF_GM(return new Xfermodes3GM;) | 240 DEF_GM(return new Xfermodes3GM;) |
241 | 241 |
242 } | 242 } |
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