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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 #include "SkImageRef.h" | 8 #include "SkImageRef.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkFlattenableBuffers.h" | 10 #include "SkFlattenableBuffers.h" |
11 #include "SkImageDecoder.h" | 11 #include "SkImageDecoder.h" |
12 #include "SkStream.h" | 12 #include "SkStream.h" |
13 #include "SkTemplates.h" | 13 #include "SkTemplates.h" |
14 #include "SkThread.h" | 14 #include "SkThread.h" |
15 | 15 |
16 //#define DUMP_IMAGEREF_LIFECYCLE | 16 //#define DUMP_IMAGEREF_LIFECYCLE |
17 | 17 |
| 18 |
18 /////////////////////////////////////////////////////////////////////////////// | 19 /////////////////////////////////////////////////////////////////////////////// |
19 | 20 |
20 SkImageRef::SkImageRef(const SkImageInfo& info, SkStreamRewindable* stream, | 21 SkImageRef::SkImageRef(const SkImageInfo& info, SkStreamRewindable* stream, |
21 int sampleSize, SkBaseMutex* mutex) | 22 int sampleSize, SkBaseMutex* mutex) |
22 : INHERITED(info, mutex), fErrorInDecoding(false) | 23 : SkPixelRef(info, mutex), fErrorInDecoding(false) { |
23 { | |
24 SkASSERT(stream); | 24 SkASSERT(stream); |
25 stream->ref(); | 25 stream->ref(); |
26 fStream = stream; | 26 fStream = stream; |
27 fSampleSize = sampleSize; | 27 fSampleSize = sampleSize; |
28 fDoDither = true; | 28 fDoDither = true; |
29 fPrev = fNext = NULL; | 29 fPrev = fNext = NULL; |
30 fFactory = NULL; | 30 fFactory = NULL; |
31 | 31 |
32 #ifdef DUMP_IMAGEREF_LIFECYCLE | 32 #ifdef DUMP_IMAGEREF_LIFECYCLE |
33 SkDebugf("add ImageRef %p [%d] data=%d\n", | 33 SkDebugf("add ImageRef %p [%d] data=%d\n", |
34 this, this->info().fColorType, (int)stream->getLength()); | 34 this, this->info().fColorType, (int)stream->getLength()); |
35 #endif | 35 #endif |
36 } | 36 } |
37 | 37 |
38 SkImageRef::~SkImageRef() { | 38 SkImageRef::~SkImageRef() { |
39 | 39 |
40 #ifdef DUMP_IMAGEREF_LIFECYCLE | 40 #ifdef DUMP_IMAGEREF_LIFECYCLE |
41 SkDebugf("delete ImageRef %p [%d] data=%d\n", | 41 SkDebugf("delete ImageRef %p [%d] data=%d\n", |
42 this, this->info().fColorType, (int)fStream->getLength()); | 42 this, fConfig, (int)fStream->getLength()); |
43 #endif | 43 #endif |
44 | 44 |
45 fStream->unref(); | 45 fStream->unref(); |
46 SkSafeUnref(fFactory); | 46 SkSafeUnref(fFactory); |
47 } | 47 } |
48 | 48 |
49 bool SkImageRef::getInfo(SkBitmap* bitmap) { | 49 bool SkImageRef::getInfo(SkBitmap* bitmap) { |
50 SkAutoMutexAcquire ac(this->mutex()); | 50 SkAutoMutexAcquire ac(this->mutex()); |
51 | 51 |
52 if (!this->prepareBitmap(SkImageDecoder::kDecodeBounds_Mode)) { | 52 if (!this->prepareBitmap(SkImageDecoder::kDecodeBounds_Mode)) { |
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127 } else { | 127 } else { |
128 SkDebugf("--- ImageRef: <%s> failed in codec for %d mode\n", | 128 SkDebugf("--- ImageRef: <%s> failed in codec for %d mode\n", |
129 this->getURI(), mode); | 129 this->getURI(), mode); |
130 } | 130 } |
131 #endif | 131 #endif |
132 fErrorInDecoding = true; | 132 fErrorInDecoding = true; |
133 fBitmap.reset(); | 133 fBitmap.reset(); |
134 return false; | 134 return false; |
135 } | 135 } |
136 | 136 |
137 bool SkImageRef::onNewLockPixels(LockRec* rec) { | 137 void* SkImageRef::onLockPixels(SkColorTable** ct) { |
138 if (NULL == fBitmap.getPixels()) { | 138 if (NULL == fBitmap.getPixels()) { |
139 (void)this->prepareBitmap(SkImageDecoder::kDecodePixels_Mode); | 139 (void)this->prepareBitmap(SkImageDecoder::kDecodePixels_Mode); |
140 } | 140 } |
141 | 141 |
142 if (NULL == fBitmap.getPixels()) { | 142 if (ct) { |
143 return false; | 143 *ct = fBitmap.getColorTable(); |
144 } | 144 } |
145 rec->fPixels = fBitmap.getPixels(); | 145 return fBitmap.getPixels(); |
146 rec->fColorTable = NULL; | |
147 rec->fRowBytes = fBitmap.rowBytes(); | |
148 return true; | |
149 } | 146 } |
150 | 147 |
151 size_t SkImageRef::ramUsed() const { | 148 size_t SkImageRef::ramUsed() const { |
152 size_t size = 0; | 149 size_t size = 0; |
153 | 150 |
154 if (fBitmap.getPixels()) { | 151 if (fBitmap.getPixels()) { |
155 size = fBitmap.getSize(); | 152 size = fBitmap.getSize(); |
156 if (fBitmap.getColorTable()) { | 153 if (fBitmap.getColorTable()) { |
157 size += fBitmap.getColorTable()->count() * sizeof(SkPMColor); | 154 size += fBitmap.getColorTable()->count() * sizeof(SkPMColor); |
158 } | 155 } |
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189 // now. | 186 // now. |
190 if (!fStream->rewind()) { | 187 if (!fStream->rewind()) { |
191 SkDEBUGF(("Failed to rewind SkImageRef stream!")); | 188 SkDEBUGF(("Failed to rewind SkImageRef stream!")); |
192 buffer.write32(0); | 189 buffer.write32(0); |
193 } else { | 190 } else { |
194 // FIXME: Handle getLength properly here. Perhaps this class should | 191 // FIXME: Handle getLength properly here. Perhaps this class should |
195 // take an SkStreamAsset. | 192 // take an SkStreamAsset. |
196 buffer.writeStream(fStream, fStream->getLength()); | 193 buffer.writeStream(fStream, fStream->getLength()); |
197 } | 194 } |
198 } | 195 } |
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