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| 1 /* | 1 /* |
| 2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. |
| 3 * | 3 * |
| 4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
| 5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
| 6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
| 7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
| 8 * | 8 * |
| 9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
| 13 * | 13 * |
| 14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
| 15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
| 18 * | 18 * |
| 19 */ | 19 */ |
| 20 | 20 |
| 21 #include "config.h" | 21 #include "config.h" |
| 22 #include "platform/image-decoders/ImageDecoder.h" | 22 #include "platform/image-decoders/ImageDecoder.h" |
| 23 | 23 |
| 24 #include "platform/image-decoders/bmp/BMPImageDecoder.h" | 24 #include "platform/image-decoders/bmp/BMPImageDecoder.h" |
| 25 #include "platform/image-decoders/gif/GIFImageDecoder.h" | 25 #include "platform/image-decoders/gif/GIFImageDecoder.h" |
| 26 #include "platform/image-decoders/ico/ICOImageDecoder.h" | 26 #include "platform/image-decoders/ico/ICOImageDecoder.h" |
| 27 #include "platform/image-decoders/jpeg/JPEGImageDecoder.h" | 27 #include "platform/image-decoders/jpeg/JPEGImageDecoder.h" |
| 28 #include "platform/image-decoders/png/PNGImageDecoder.h" | 28 #include "platform/image-decoders/png/PNGImageDecoder.h" |
| 29 #include "platform/image-decoders/webp/WEBPImageDecoder.h" | 29 #include "platform/image-decoders/webp/WEBPImageDecoder.h" |
| 30 #include "public/platform/Platform.h" | |
| 31 #include "wtf/PassOwnPtr.h" | 30 #include "wtf/PassOwnPtr.h" |
| 32 | 31 |
| 33 namespace WebCore { | 32 namespace WebCore { |
| 34 | 33 |
| 35 static unsigned copyFromSharedBuffer(char* buffer, unsigned bufferLength, const
SharedBuffer& sharedBuffer, unsigned offset) | 34 static unsigned copyFromSharedBuffer(char* buffer, unsigned bufferLength, const
SharedBuffer& sharedBuffer, unsigned offset) |
| 36 { | 35 { |
| 37 unsigned bytesExtracted = 0; | 36 unsigned bytesExtracted = 0; |
| 38 const char* moreData; | 37 const char* moreData; |
| 39 while (unsigned moreDataLength = sharedBuffer.getSomeData(moreData, offset))
{ | 38 while (unsigned moreDataLength = sharedBuffer.getSomeData(moreData, offset))
{ |
| 40 unsigned bytesToCopy = std::min(bufferLength - bytesExtracted, moreDataL
ength); | 39 unsigned bytesToCopy = std::min(bufferLength - bytesExtracted, moreDataL
ength); |
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| 193 // Otherwise, the previous frame contributes to this frame. | 192 // Otherwise, the previous frame contributes to this frame. |
| 194 return (prevBuffer->originalFrameRect().contains(IntRect(IntPoint(), siz
e())) | 193 return (prevBuffer->originalFrameRect().contains(IntRect(IntPoint(), siz
e())) |
| 195 || (prevBuffer->requiredPreviousFrameIndex() == kNotFound)) ? kNotFo
und : prevFrame; | 194 || (prevBuffer->requiredPreviousFrameIndex() == kNotFound)) ? kNotFo
und : prevFrame; |
| 196 default: | 195 default: |
| 197 ASSERT_NOT_REACHED(); | 196 ASSERT_NOT_REACHED(); |
| 198 return kNotFound; | 197 return kNotFound; |
| 199 } | 198 } |
| 200 } | 199 } |
| 201 | 200 |
| 202 } // namespace WebCore | 201 } // namespace WebCore |
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