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1 /* | 1 /* |
2 * Copyright (C) 2008-2009 Torch Mobile, Inc. | 2 * Copyright (C) 2008-2009 Torch Mobile, Inc. |
3 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. | 3 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 * Library General Public License for more details. | 13 * Library General Public License for more details. |
14 * | 14 * |
15 * You should have received a copy of the GNU Library General Public License | 15 * You should have received a copy of the GNU Library General Public License |
16 * along with this library; see the file COPYING.LIB. If not, write to | 16 * along with this library; see the file COPYING.LIB. If not, write to |
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
18 * Boston, MA 02110-1301, USA. | 18 * Boston, MA 02110-1301, USA. |
19 * | 19 * |
20 */ | 20 */ |
21 | 21 |
22 #include "config.h" | 22 #include "config.h" |
23 #include "ImageDecoder.h" | 23 #include "ImageDecoder.h" |
24 | 24 |
25 #include "BMPImageDecoder.h" | 25 #include "BMPImageDecoder.h" |
26 #include "GIFImageDecoder.h" | 26 #include "GIFImageDecoder.h" |
27 #include "ICOImageDecoder.h" | 27 #include "ICOImageDecoder.h" |
28 #include "JPEGImageDecoder.h" | 28 #include "JPEGImageDecoder.h" |
29 #include "PNGImageDecoder.h" | 29 #include "PNGImageDecoder.h" |
30 #include "PlatformMemoryInstrumentation.h" | |
31 #include "SharedBuffer.h" | 30 #include "SharedBuffer.h" |
32 #include "WEBPImageDecoder.h" | 31 #include "WEBPImageDecoder.h" |
33 | 32 |
34 #include <algorithm> | 33 #include <algorithm> |
35 #include <cmath> | 34 #include <cmath> |
36 #include <wtf/MemoryInstrumentationVector.h> | |
37 | 35 |
38 using namespace std; | 36 using namespace std; |
39 | 37 |
40 namespace WebCore { | 38 namespace WebCore { |
41 | 39 |
42 static unsigned copyFromSharedBuffer(char* buffer, unsigned bufferLength, const
SharedBuffer& sharedBuffer, unsigned offset) | 40 static unsigned copyFromSharedBuffer(char* buffer, unsigned bufferLength, const
SharedBuffer& sharedBuffer, unsigned offset) |
43 { | 41 { |
44 unsigned bytesExtracted = 0; | 42 unsigned bytesExtracted = 0; |
45 const char* moreData; | 43 const char* moreData; |
46 while (unsigned moreDataLength = sharedBuffer.getSomeData(moreData, offset))
{ | 44 while (unsigned moreDataLength = sharedBuffer.getSomeData(moreData, offset))
{ |
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128 } | 126 } |
129 | 127 |
130 unsigned ImageDecoder::frameBytesAtIndex(size_t index) const | 128 unsigned ImageDecoder::frameBytesAtIndex(size_t index) const |
131 { | 129 { |
132 if (m_frameBufferCache.size() <= index) | 130 if (m_frameBufferCache.size() <= index) |
133 return 0; | 131 return 0; |
134 // FIXME: Use the dimension of the requested frame. | 132 // FIXME: Use the dimension of the requested frame. |
135 return m_size.area() * sizeof(ImageFrame::PixelData); | 133 return m_size.area() * sizeof(ImageFrame::PixelData); |
136 } | 134 } |
137 | 135 |
138 void ImageDecoder::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const | |
139 { | |
140 MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Image); | |
141 info.addMember(m_data, "data"); | |
142 info.addMember(m_frameBufferCache, "frameBufferCache"); | |
143 info.addMember(m_colorProfile, "colorProfile"); | |
144 info.addMember(m_scaledColumns, "scaledColumns"); | |
145 info.addMember(m_scaledRows, "scaledRows"); | |
146 } | |
147 | |
148 enum MatchType { | 136 enum MatchType { |
149 Exact, | 137 Exact, |
150 UpperBound, | 138 UpperBound, |
151 LowerBound | 139 LowerBound |
152 }; | 140 }; |
153 | 141 |
154 inline void fillScaledValues(Vector<int>& scaledValues, double scaleRate, int le
ngth) | 142 inline void fillScaledValues(Vector<int>& scaledValues, double scaleRate, int le
ngth) |
155 { | 143 { |
156 double inflateRate = 1. / scaleRate; | 144 double inflateRate = 1. / scaleRate; |
157 scaledValues.reserveCapacity(static_cast<int>(length * scaleRate + 0.5)); | 145 scaledValues.reserveCapacity(static_cast<int>(length * scaleRate + 0.5)); |
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219 { | 207 { |
220 return getScaledValue<LowerBound>(m_scaledRows, origY, searchStart); | 208 return getScaledValue<LowerBound>(m_scaledRows, origY, searchStart); |
221 } | 209 } |
222 | 210 |
223 int ImageDecoder::scaledY(int origY, int searchStart) | 211 int ImageDecoder::scaledY(int origY, int searchStart) |
224 { | 212 { |
225 return getScaledValue<Exact>(m_scaledRows, origY, searchStart); | 213 return getScaledValue<Exact>(m_scaledRows, origY, searchStart); |
226 } | 214 } |
227 | 215 |
228 } // namespace WebCore | 216 } // namespace WebCore |
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