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Side by Side Diff: src/image/SkImage_Gpu.cpp

Issue 741763002: add SkImage::newSurface (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 1 month ago
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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 explicit SkImage_Gpu(const SkBitmap&);
20 virtual ~SkImage_Gpu(); 21 virtual ~SkImage_Gpu();
21 22
22 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const SK_OVERRIDE; 23 void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const SK_OVER RIDE;
23 virtual void onDrawRect(SkCanvas*, const SkRect* src, const SkRect& dst, 24 void onDrawRect(SkCanvas*, const SkRect* src, const SkRect& dst,
24 const SkPaint*) const SK_OVERRIDE; 25 const SkPaint*) const SK_OVERRIDE;
25 virtual GrTexture* onGetTexture() const SK_OVERRIDE; 26 SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) const SK_ OVERRIDE;
26 virtual bool getROPixels(SkBitmap*) const SK_OVERRIDE; 27 GrTexture* onGetTexture() const SK_OVERRIDE;
28 bool getROPixels(SkBitmap*) const SK_OVERRIDE;
27 29
28 GrTexture* getTexture() const { return fBitmap.getTexture(); } 30 GrTexture* getTexture() const { return fBitmap.getTexture(); }
29 31
30 virtual SkShader* onNewShader(SkShader::TileMode, 32 SkShader* onNewShader(SkShader::TileMode,
31 SkShader::TileMode, 33 SkShader::TileMode,
32 const SkMatrix* localMatrix) const SK_OVERRIDE ; 34 const SkMatrix* localMatrix) const SK_OVERRIDE ;
33 35
34 virtual bool isOpaque() const SK_OVERRIDE; 36 bool isOpaque() const SK_OVERRIDE;
35 37
36 private: 38 private:
37 SkBitmap fBitmap; 39 SkBitmap fBitmap;
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)
45 : INHERITED(bitmap.width(), bitmap.height()) 47 : INHERITED(bitmap.width(), bitmap.height(), NULL)
46 , fBitmap(bitmap) { 48 , fBitmap(bitmap) {
47 SkASSERT(fBitmap.getTexture()); 49 SkASSERT(fBitmap.getTexture());
48 } 50 }
49 51
50 SkImage_Gpu::~SkImage_Gpu() { 52 SkImage_Gpu::~SkImage_Gpu() {
51 } 53 }
52 54
53 SkShader* SkImage_Gpu::onNewShader(SkShader::TileMode tileX, 55 SkShader* SkImage_Gpu::onNewShader(SkShader::TileMode tileX,
54 SkShader::TileMode tileY, 56 SkShader::TileMode tileY,
55 const SkMatrix* localMatrix) const 57 const SkMatrix* localMatrix) const
56 { 58 {
57 return SkShader::CreateBitmapShader(fBitmap, tileX, tileY, localMatrix); 59 return SkShader::CreateBitmapShader(fBitmap, tileX, tileY, localMatrix);
58 } 60 }
59 61
60 void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint * paint) const { 62 void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint * paint) const {
61 canvas->drawBitmap(fBitmap, x, y, paint); 63 canvas->drawBitmap(fBitmap, x, y, paint);
62 } 64 }
63 65
64 void SkImage_Gpu::onDrawRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst, 66 void SkImage_Gpu::onDrawRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst,
65 const SkPaint* paint) const { 67 const SkPaint* paint) const {
66 canvas->drawBitmapRectToRect(fBitmap, src, dst, paint); 68 canvas->drawBitmapRectToRect(fBitmap, src, dst, paint);
67 } 69 }
68 70
71 SkSurface* SkImage_Gpu::onNewSurface(const SkImageInfo& info, const SkSurfacePro ps& props) const {
72 GrContext* ctx = this->getTexture()->getContext();
73 const int sampleCount = 0; // TODO: extract this from this image...
bsalomon 2014/11/21 14:45:44 why not just do this as part of this CL?
reed1 2014/11/21 16:33:06 Done.
74 return SkSurface::NewRenderTarget(ctx, info, sampleCount, &props);
75 }
76
69 GrTexture* SkImage_Gpu::onGetTexture() const { 77 GrTexture* SkImage_Gpu::onGetTexture() const {
70 return fBitmap.getTexture(); 78 return fBitmap.getTexture();
71 } 79 }
72 80
73 bool SkImage_Gpu::getROPixels(SkBitmap* dst) const { 81 bool SkImage_Gpu::getROPixels(SkBitmap* dst) const {
74 return fBitmap.copyTo(dst, kN32_SkColorType); 82 return fBitmap.copyTo(dst, kN32_SkColorType);
75 } 83 }
76 84
77 bool SkImage_Gpu::isOpaque() const { 85 bool SkImage_Gpu::isOpaque() const {
78 return fBitmap.isOpaque(); 86 return fBitmap.isOpaque();
79 } 87 }
80 88
81 /////////////////////////////////////////////////////////////////////////////// 89 ///////////////////////////////////////////////////////////////////////////////
82 90
83 SkImage* SkImage::NewTexture(const SkBitmap& bitmap) { 91 SkImage* SkImage::NewTexture(const SkBitmap& bitmap) {
84 if (NULL == bitmap.getTexture()) { 92 if (NULL == bitmap.getTexture()) {
85 return NULL; 93 return NULL;
86 } 94 }
87 95
88 return SkNEW_ARGS(SkImage_Gpu, (bitmap)); 96 return SkNEW_ARGS(SkImage_Gpu, (bitmap));
89 } 97 }
90 98
91 GrTexture* SkTextureImageGetTexture(SkImage* image) { 99 GrTexture* SkTextureImageGetTexture(SkImage* image) {
92 return ((SkImage_Gpu*)image)->getTexture(); 100 return ((SkImage_Gpu*)image)->getTexture();
93 } 101 }
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