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