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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 "SkSurface_Base.h" | 8 #include "SkSurface_Base.h" |
| 9 #include "SkImagePriv.h" | 9 #include "SkImagePriv.h" |
| 10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
| 11 #include "SkDevice.h" | 11 #include "SkDevice.h" |
| 12 #include "SkMallocPixelRef.h" | 12 #include "SkMallocPixelRef.h" |
| 13 | 13 |
| 14 static const size_t kIgnoreRowBytesValue = (size_t)~0; | 14 static const size_t kIgnoreRowBytesValue = (size_t)~0; |
| 15 | 15 |
| 16 class SkSurface_Raster : public SkSurface_Base { | 16 class SkSurface_Raster : public SkSurface_Base { |
| 17 public: | 17 public: |
| 18 static bool Valid(const SkImageInfo&, size_t rb = kIgnoreRowBytesValue); | 18 static bool Valid(const SkImageInfo&, size_t rb = kIgnoreRowBytesValue); |
| 19 | 19 |
| 20 SkSurface_Raster(const SkImageInfo&, void*, size_t rb, | 20 SkSurface_Raster(const SkImageInfo&, void*, size_t rb, |
| 21 void (*releaseProc)(void* pixels, void* context), void* con
text, | 21 void (*releaseProc)(void* pixels, void* context), void* con
text); |
| 22 const SkSurfaceProps*); | 22 SkSurface_Raster(SkPixelRef*); |
| 23 SkSurface_Raster(SkPixelRef*, const SkSurfaceProps*); | |
| 24 | 23 |
| 25 virtual SkCanvas* onNewCanvas() SK_OVERRIDE; | 24 virtual SkCanvas* onNewCanvas() SK_OVERRIDE; |
| 26 virtual SkSurface* onNewSurface(const SkImageInfo&) SK_OVERRIDE; | 25 virtual SkSurface* onNewSurface(const SkImageInfo&) SK_OVERRIDE; |
| 27 virtual SkImage* onNewImageSnapshot() SK_OVERRIDE; | 26 virtual SkImage* onNewImageSnapshot() SK_OVERRIDE; |
| 28 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, | 27 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, |
| 29 const SkPaint*) SK_OVERRIDE; | 28 const SkPaint*) SK_OVERRIDE; |
| 30 virtual void onCopyOnWrite(ContentChangeMode) SK_OVERRIDE; | 29 virtual void onCopyOnWrite(ContentChangeMode) SK_OVERRIDE; |
| 31 | 30 |
| 32 private: | 31 private: |
| 33 SkBitmap fBitmap; | 32 SkBitmap fBitmap; |
| (...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 72 | 71 |
| 73 uint64_t size = sk_64_mul(info.height(), rowBytes); | 72 uint64_t size = sk_64_mul(info.height(), rowBytes); |
| 74 if (size > kMaxTotalSize) { | 73 if (size > kMaxTotalSize) { |
| 75 return false; | 74 return false; |
| 76 } | 75 } |
| 77 | 76 |
| 78 return true; | 77 return true; |
| 79 } | 78 } |
| 80 | 79 |
| 81 SkSurface_Raster::SkSurface_Raster(const SkImageInfo& info, void* pixels, size_t
rb, | 80 SkSurface_Raster::SkSurface_Raster(const SkImageInfo& info, void* pixels, size_t
rb, |
| 82 void (*releaseProc)(void* pixels, void* conte
xt), void* context, | 81 void (*releaseProc)(void* pixels, void* conte
xt), void* context) |
| 83 const SkSurfaceProps* props) | 82 : INHERITED(info) |
| 84 : INHERITED(info, props) | |
| 85 { | 83 { |
| 86 fBitmap.installPixels(info, pixels, rb, NULL, releaseProc, context); | 84 fBitmap.installPixels(info, pixels, rb, NULL, releaseProc, context); |
| 87 fWeOwnThePixels = false; // We are "Direct" | 85 fWeOwnThePixels = false; // We are "Direct" |
| 88 } | 86 } |
| 89 | 87 |
| 90 SkSurface_Raster::SkSurface_Raster(SkPixelRef* pr, const SkSurfaceProps* props) | 88 SkSurface_Raster::SkSurface_Raster(SkPixelRef* pr) |
| 91 : INHERITED(pr->info().width(), pr->info().height(), props) | 89 : INHERITED(pr->info().width(), pr->info().height()) |
| 92 { | 90 { |
| 93 const SkImageInfo& info = pr->info(); | 91 const SkImageInfo& info = pr->info(); |
| 94 | 92 |
| 95 fBitmap.setInfo(info, info.minRowBytes()); | 93 fBitmap.setInfo(info, info.minRowBytes()); |
| 96 fBitmap.setPixelRef(pr); | 94 fBitmap.setPixelRef(pr); |
| 97 fWeOwnThePixels = true; | 95 fWeOwnThePixels = true; |
| 98 | 96 |
| 99 if (!info.isOpaque()) { | 97 if (!info.isOpaque()) { |
| 100 fBitmap.eraseColor(SK_ColorTRANSPARENT); | 98 fBitmap.eraseColor(SK_ColorTRANSPARENT); |
| 101 } | 99 } |
| 102 } | 100 } |
| 103 | 101 |
| 104 SkCanvas* SkSurface_Raster::onNewCanvas() { | 102 SkCanvas* SkSurface_Raster::onNewCanvas() { |
| 105 return SkNEW_ARGS(SkCanvas, (fBitmap, this->props())); | 103 return SkNEW_ARGS(SkCanvas, (fBitmap)); |
| 106 } | 104 } |
| 107 | 105 |
| 108 SkSurface* SkSurface_Raster::onNewSurface(const SkImageInfo& info) { | 106 SkSurface* SkSurface_Raster::onNewSurface(const SkImageInfo& info) { |
| 109 return SkSurface::NewRaster(info); | 107 return SkSurface::NewRaster(info); |
| 110 } | 108 } |
| 111 | 109 |
| 112 void SkSurface_Raster::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, | 110 void SkSurface_Raster::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, |
| 113 const SkPaint* paint) { | 111 const SkPaint* paint) { |
| 114 canvas->drawBitmap(fBitmap, x, y, paint); | 112 canvas->drawBitmap(fBitmap, x, y, paint); |
| 115 } | 113 } |
| (...skipping 19 matching lines...) Expand all Loading... |
| 135 // this as its backend, so we can't modify the image's pixels anymore. | 133 // this as its backend, so we can't modify the image's pixels anymore. |
| 136 SkASSERT(this->getCachedCanvas()); | 134 SkASSERT(this->getCachedCanvas()); |
| 137 this->getCachedCanvas()->getDevice()->replaceBitmapBackendForRasterSurfa
ce(fBitmap); | 135 this->getCachedCanvas()->getDevice()->replaceBitmapBackendForRasterSurfa
ce(fBitmap); |
| 138 } | 136 } |
| 139 } | 137 } |
| 140 | 138 |
| 141 /////////////////////////////////////////////////////////////////////////////// | 139 /////////////////////////////////////////////////////////////////////////////// |
| 142 | 140 |
| 143 SkSurface* SkSurface::NewRasterDirectReleaseProc(const SkImageInfo& info, void*
pixels, size_t rb, | 141 SkSurface* SkSurface::NewRasterDirectReleaseProc(const SkImageInfo& info, void*
pixels, size_t rb, |
| 144 void (*releaseProc)(void* pixel
s, void* context), | 142 void (*releaseProc)(void* pixel
s, void* context), |
| 145 void* context, const SkSurfaceP
rops* props) { | 143 void* context) { |
| 146 if (NULL == releaseProc) { | 144 if (NULL == releaseProc) { |
| 147 context = NULL; | 145 context = NULL; |
| 148 } | 146 } |
| 149 if (!SkSurface_Raster::Valid(info, rb)) { | 147 if (!SkSurface_Raster::Valid(info, rb)) { |
| 150 return NULL; | 148 return NULL; |
| 151 } | 149 } |
| 152 if (NULL == pixels) { | 150 if (NULL == pixels) { |
| 153 return NULL; | 151 return NULL; |
| 154 } | 152 } |
| 155 | 153 |
| 156 return SkNEW_ARGS(SkSurface_Raster, (info, pixels, rb, releaseProc, context,
props)); | 154 return SkNEW_ARGS(SkSurface_Raster, (info, pixels, rb, releaseProc, context)
); |
| 157 } | 155 } |
| 158 | 156 |
| 159 SkSurface* SkSurface::NewRasterDirect(const SkImageInfo& info, void* pixels, siz
e_t rowBytes, | 157 SkSurface* SkSurface::NewRasterDirect(const SkImageInfo& info, void* pixels, siz
e_t rowBytes) { |
| 160 const SkSurfaceProps* props) { | 158 return NewRasterDirectReleaseProc(info, pixels, rowBytes, NULL, NULL); |
| 161 return NewRasterDirectReleaseProc(info, pixels, rowBytes, NULL, NULL, props)
; | |
| 162 } | 159 } |
| 163 | 160 |
| 164 SkSurface* SkSurface::NewRaster(const SkImageInfo& info, const SkSurfaceProps* p
rops) { | 161 SkSurface* SkSurface::NewRaster(const SkImageInfo& info) { |
| 165 if (!SkSurface_Raster::Valid(info)) { | 162 if (!SkSurface_Raster::Valid(info)) { |
| 166 return NULL; | 163 return NULL; |
| 167 } | 164 } |
| 168 | 165 |
| 169 SkAutoTUnref<SkPixelRef> pr(SkMallocPixelRef::NewAllocate(info, 0, NULL)); | 166 SkAutoTUnref<SkPixelRef> pr(SkMallocPixelRef::NewAllocate(info, 0, NULL)); |
| 170 if (NULL == pr.get()) { | 167 if (NULL == pr.get()) { |
| 171 return NULL; | 168 return NULL; |
| 172 } | 169 } |
| 173 return SkNEW_ARGS(SkSurface_Raster, (pr, props)); | 170 return SkNEW_ARGS(SkSurface_Raster, (pr)); |
| 174 } | 171 } |
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