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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 | 7 |
8 #include "GrSurface.h" | 8 #include "GrSurface.h" |
9 #include "GrSurfacePriv.h" | 9 #include "GrSurfacePriv.h" |
10 | 10 |
11 #include "SkBitmap.h" | 11 #include "SkBitmap.h" |
12 #include "SkGr.h" | 12 #include "SkGr.h" |
13 #include "SkImageEncoder.h" | 13 #include "SkImageEncoder.h" |
14 #include <stdio.h> | 14 #include <stdio.h> |
15 | 15 |
| 16 bool GrSurface::writePixels(int left, int top, int width, int height, |
| 17 GrPixelConfig config, const void* buffer, size_t row
Bytes, |
| 18 uint32_t pixelOpsFlags) { |
| 19 // go through context so that all necessary flushing occurs |
| 20 GrContext* context = this->getContext(); |
| 21 if (NULL == context) { |
| 22 return false; |
| 23 } |
| 24 return context->writeSurfacePixels(this, left, top, width, height, config, b
uffer, rowBytes, |
| 25 pixelOpsFlags); |
| 26 } |
| 27 |
| 28 bool GrSurface::readPixels(int left, int top, int width, int height, |
| 29 GrPixelConfig config, void* buffer, size_t rowBytes, |
| 30 uint32_t pixelOpsFlags) { |
| 31 // go through context so that all necessary flushing occurs |
| 32 GrContext* context = this->getContext(); |
| 33 if (NULL == context) { |
| 34 return false; |
| 35 } |
| 36 GrRenderTarget* target = this->asRenderTarget(); |
| 37 if (target) { |
| 38 return context->readRenderTargetPixels(target, left, top, width, height,
config, buffer, |
| 39 rowBytes, pixelOpsFlags); |
| 40 } |
| 41 return false; |
| 42 } |
| 43 |
16 SkImageInfo GrSurface::info() const { | 44 SkImageInfo GrSurface::info() const { |
17 SkColorType colorType; | 45 SkColorType colorType; |
18 if (!GrPixelConfig2ColorType(this->config(), &colorType)) { | 46 if (!GrPixelConfig2ColorType(this->config(), &colorType)) { |
19 sk_throw(); | 47 sk_throw(); |
20 } | 48 } |
21 return SkImageInfo::Make(this->width(), this->height(), colorType, kPremul_S
kAlphaType); | 49 return SkImageInfo::Make(this->width(), this->height(), colorType, kPremul_S
kAlphaType); |
22 } | 50 } |
23 | 51 |
24 // TODO: This should probably be a non-member helper function. It might only be
needed in | 52 // TODO: This should probably be a non-member helper function. It might only be
needed in |
25 // debug or developer builds. | 53 // debug or developer builds. |
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93 bool GrSurface::isSameAs(const GrSurface* other) const { | 121 bool GrSurface::isSameAs(const GrSurface* other) const { |
94 const GrRenderTarget* thisRT = this->asRenderTarget(); | 122 const GrRenderTarget* thisRT = this->asRenderTarget(); |
95 if (thisRT) { | 123 if (thisRT) { |
96 return thisRT == other->asRenderTarget(); | 124 return thisRT == other->asRenderTarget(); |
97 } else { | 125 } else { |
98 const GrTexture* thisTex = this->asTexture(); | 126 const GrTexture* thisTex = this->asTexture(); |
99 SkASSERT(thisTex); // We must be one or the other | 127 SkASSERT(thisTex); // We must be one or the other |
100 return thisTex == other->asTexture(); | 128 return thisTex == other->asTexture(); |
101 } | 129 } |
102 } | 130 } |
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