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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 "SkImage_Base.h" | 8 #include "SkImage_Base.h" |
9 #include "SkImagePriv.h" | 9 #include "SkImagePriv.h" |
10 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
11 #include "SkCanvas.h" | 11 #include "SkCanvas.h" |
| 12 #include "SkSurface.h" |
12 #include "GrContext.h" | 13 #include "GrContext.h" |
13 #include "GrTexture.h" | 14 #include "GrTexture.h" |
14 | 15 |
15 class SkImage_Gpu : public SkImage_Base { | 16 class SkImage_Gpu : public SkImage_Base { |
16 public: | 17 public: |
17 SK_DECLARE_INST_COUNT(SkImage_Gpu) | 18 SK_DECLARE_INST_COUNT(SkImage_Gpu) |
18 | 19 |
19 explicit SkImage_Gpu(const SkBitmap&); | 20 SkImage_Gpu(const SkBitmap&, int sampleCount); |
20 virtual ~SkImage_Gpu(); | |
21 | 21 |
22 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const
SK_OVERRIDE; | 22 void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const SK_OVER
RIDE; |
23 virtual void onDrawRect(SkCanvas*, const SkRect* src, const SkRect& dst, | 23 void onDrawRect(SkCanvas*, const SkRect* src, const SkRect& dst, |
24 const SkPaint*) const SK_OVERRIDE; | 24 const SkPaint*) const SK_OVERRIDE; |
25 virtual GrTexture* onGetTexture() const SK_OVERRIDE; | 25 SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) const SK_
OVERRIDE; |
26 virtual bool getROPixels(SkBitmap*) const SK_OVERRIDE; | 26 GrTexture* onGetTexture() const SK_OVERRIDE; |
| 27 bool getROPixels(SkBitmap*) const SK_OVERRIDE; |
27 | 28 |
28 GrTexture* getTexture() const { return fBitmap.getTexture(); } | 29 GrTexture* getTexture() const { return fBitmap.getTexture(); } |
29 | 30 |
30 virtual SkShader* onNewShader(SkShader::TileMode, | 31 SkShader* onNewShader(SkShader::TileMode, |
31 SkShader::TileMode, | 32 SkShader::TileMode, |
32 const SkMatrix* localMatrix) const SK_OVERRIDE
; | 33 const SkMatrix* localMatrix) const SK_OVERRIDE
; |
33 | 34 |
34 virtual bool isOpaque() const SK_OVERRIDE; | 35 bool isOpaque() const SK_OVERRIDE; |
35 | 36 |
36 private: | 37 private: |
37 SkBitmap fBitmap; | 38 SkBitmap fBitmap; |
| 39 const int fSampleCount; // 0 if we weren't built from a surface |
38 | 40 |
39 typedef SkImage_Base INHERITED; | 41 typedef SkImage_Base INHERITED; |
40 }; | 42 }; |
41 | 43 |
42 /////////////////////////////////////////////////////////////////////////////// | 44 /////////////////////////////////////////////////////////////////////////////// |
43 | 45 |
44 SkImage_Gpu::SkImage_Gpu(const SkBitmap& bitmap) | 46 SkImage_Gpu::SkImage_Gpu(const SkBitmap& bitmap, int sampleCount) |
45 : INHERITED(bitmap.width(), bitmap.height()) | 47 : INHERITED(bitmap.width(), bitmap.height(), NULL) |
46 , fBitmap(bitmap) { | 48 , fBitmap(bitmap) |
| 49 , fSampleCount(sampleCount) |
| 50 { |
47 SkASSERT(fBitmap.getTexture()); | 51 SkASSERT(fBitmap.getTexture()); |
48 } | 52 } |
49 | 53 |
50 SkImage_Gpu::~SkImage_Gpu() { | |
51 } | |
52 | |
53 SkShader* SkImage_Gpu::onNewShader(SkShader::TileMode tileX, | 54 SkShader* SkImage_Gpu::onNewShader(SkShader::TileMode tileX, |
54 SkShader::TileMode tileY, | 55 SkShader::TileMode tileY, |
55 const SkMatrix* localMatrix) const | 56 const SkMatrix* localMatrix) const |
56 { | 57 { |
57 return SkShader::CreateBitmapShader(fBitmap, tileX, tileY, localMatrix); | 58 return SkShader::CreateBitmapShader(fBitmap, tileX, tileY, localMatrix); |
58 } | 59 } |
59 | 60 |
60 void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint
* paint) const { | 61 void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint
* paint) const { |
61 canvas->drawBitmap(fBitmap, x, y, paint); | 62 canvas->drawBitmap(fBitmap, x, y, paint); |
62 } | 63 } |
63 | 64 |
64 void SkImage_Gpu::onDrawRect(SkCanvas* canvas, const SkRect* src, const SkRect&
dst, | 65 void SkImage_Gpu::onDrawRect(SkCanvas* canvas, const SkRect* src, const SkRect&
dst, |
65 const SkPaint* paint) const { | 66 const SkPaint* paint) const { |
66 canvas->drawBitmapRectToRect(fBitmap, src, dst, paint); | 67 canvas->drawBitmapRectToRect(fBitmap, src, dst, paint); |
67 } | 68 } |
68 | 69 |
| 70 SkSurface* SkImage_Gpu::onNewSurface(const SkImageInfo& info, const SkSurfacePro
ps& props) const { |
| 71 GrContext* ctx = this->getTexture()->getContext(); |
| 72 return SkSurface::NewRenderTarget(ctx, info, fSampleCount, &props); |
| 73 } |
| 74 |
69 GrTexture* SkImage_Gpu::onGetTexture() const { | 75 GrTexture* SkImage_Gpu::onGetTexture() const { |
70 return fBitmap.getTexture(); | 76 return fBitmap.getTexture(); |
71 } | 77 } |
72 | 78 |
73 bool SkImage_Gpu::getROPixels(SkBitmap* dst) const { | 79 bool SkImage_Gpu::getROPixels(SkBitmap* dst) const { |
74 return fBitmap.copyTo(dst, kN32_SkColorType); | 80 return fBitmap.copyTo(dst, kN32_SkColorType); |
75 } | 81 } |
76 | 82 |
77 bool SkImage_Gpu::isOpaque() const { | 83 bool SkImage_Gpu::isOpaque() const { |
78 return fBitmap.isOpaque(); | 84 return fBitmap.isOpaque(); |
79 } | 85 } |
80 | 86 |
81 /////////////////////////////////////////////////////////////////////////////// | 87 /////////////////////////////////////////////////////////////////////////////// |
82 | 88 |
83 SkImage* SkImage::NewTexture(const SkBitmap& bitmap) { | 89 SkImage* SkNewImageFromBitmapTexture(const SkBitmap& bitmap, int sampleCount) { |
84 if (NULL == bitmap.getTexture()) { | 90 if (NULL == bitmap.getTexture()) { |
85 return NULL; | 91 return NULL; |
86 } | 92 } |
| 93 return SkNEW_ARGS(SkImage_Gpu, (bitmap, sampleCount)); |
| 94 } |
87 | 95 |
88 return SkNEW_ARGS(SkImage_Gpu, (bitmap)); | 96 SkImage* SkImage::NewTexture(const SkBitmap& bitmap) { |
| 97 return SkNewImageFromBitmapTexture(bitmap, 0); |
89 } | 98 } |
90 | 99 |
91 GrTexture* SkTextureImageGetTexture(SkImage* image) { | 100 GrTexture* SkTextureImageGetTexture(SkImage* image) { |
92 return ((SkImage_Gpu*)image)->getTexture(); | 101 return ((SkImage_Gpu*)image)->getTexture(); |
93 } | 102 } |
| 103 |
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