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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" | |
10 | 9 |
11 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
12 #include "SkGr.h" | 11 #include "SkGr.h" |
13 #include "SkImageEncoder.h" | 12 #include "SkImageEncoder.h" |
14 #include <stdio.h> | 13 #include <stdio.h> |
15 | 14 |
16 SkImageInfo GrSurface::info() const { | 15 SkImageInfo GrSurface::info() const { |
17 SkColorType colorType; | 16 SkColorType colorType; |
18 if (!GrPixelConfig2ColorType(this->config(), &colorType)) { | 17 if (!GrPixelConfig2ColorType(this->config(), &colorType)) { |
19 sk_throw(); | 18 sk_throw(); |
20 } | 19 } |
21 return SkImageInfo::Make(this->width(), this->height(), colorType, kPremul_S
kAlphaType); | 20 return SkImageInfo::Make(this->width(), this->height(), colorType, kPremul_S
kAlphaType); |
22 } | 21 } |
23 | 22 |
24 // TODO: This should probably be a non-member helper function. It might only be
needed in | |
25 // debug or developer builds. | |
26 bool GrSurface::savePixels(const char* filename) { | 23 bool GrSurface::savePixels(const char* filename) { |
27 SkBitmap bm; | 24 SkBitmap bm; |
28 if (!bm.tryAllocPixels(SkImageInfo::MakeN32Premul(this->width(), this->heigh
t()))) { | 25 if (!bm.tryAllocPixels(SkImageInfo::MakeN32Premul(this->width(), this->heigh
t()))) { |
29 return false; | 26 return false; |
30 } | 27 } |
31 | 28 |
32 bool result = this->readPixels(0, 0, this->width(), this->height(), kSkia888
8_GrPixelConfig, | 29 bool result = readPixels(0, 0, this->width(), this->height(), kSkia8888_GrPi
xelConfig, |
33 bm.getPixels()); | 30 bm.getPixels()); |
34 if (!result) { | 31 if (!result) { |
35 SkDebugf("------ failed to read pixels for %s\n", filename); | 32 SkDebugf("------ failed to read pixels for %s\n", filename); |
36 return false; | 33 return false; |
37 } | 34 } |
38 | 35 |
39 // remove any previous version of this file | 36 // remove any previous version of this file |
40 remove(filename); | 37 remove(filename); |
41 | 38 |
42 if (!SkImageEncoder::EncodeFile(filename, bm, SkImageEncoder::kPNG_Type, 100
)) { | 39 if (!SkImageEncoder::EncodeFile(filename, bm, SkImageEncoder::kPNG_Type, 100
)) { |
43 SkDebugf("------ failed to encode %s\n", filename); | 40 SkDebugf("------ failed to encode %s\n", filename); |
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76 const GrTexture* thisTex = this->asTexture(); | 73 const GrTexture* thisTex = this->asTexture(); |
77 if (thisTex && thisTex->internalHasPendingIO()) { | 74 if (thisTex && thisTex->internalHasPendingIO()) { |
78 return true; | 75 return true; |
79 } | 76 } |
80 const GrRenderTarget* thisRT = this->asRenderTarget(); | 77 const GrRenderTarget* thisRT = this->asRenderTarget(); |
81 if (thisRT && thisRT->internalHasPendingIO()) { | 78 if (thisRT && thisRT->internalHasPendingIO()) { |
82 return true; | 79 return true; |
83 } | 80 } |
84 return false; | 81 return false; |
85 } | 82 } |
86 | |
87 bool GrSurface::isSameAs(const GrSurface* other) const { | |
88 const GrRenderTarget* thisRT = this->asRenderTarget(); | |
89 if (thisRT) { | |
90 return thisRT == other->asRenderTarget(); | |
91 } else { | |
92 const GrTexture* thisTex = this->asTexture(); | |
93 SkASSERT(thisTex); // We must be one or the other | |
94 return thisTex == other->asTexture(); | |
95 } | |
96 } | |
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