Index: Source/core/platform/image-decoders/ico/ICOImageDecoder.h |
diff --git a/Source/core/platform/image-decoders/ico/ICOImageDecoder.h b/Source/core/platform/image-decoders/ico/ICOImageDecoder.h |
deleted file mode 100644 |
index 422a8cb8dd21ff4241a1074721162bb79e6ad6e9..0000000000000000000000000000000000000000 |
--- a/Source/core/platform/image-decoders/ico/ICOImageDecoder.h |
+++ /dev/null |
@@ -1,156 +0,0 @@ |
-/* |
- * Copyright (c) 2008, 2009, Google Inc. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions are |
- * met: |
- * |
- * * Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * * Redistributions in binary form must reproduce the above |
- * copyright notice, this list of conditions and the following disclaimer |
- * in the documentation and/or other materials provided with the |
- * distribution. |
- * * Neither the name of Google Inc. nor the names of its |
- * contributors may be used to endorse or promote products derived from |
- * this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#ifndef ICOImageDecoder_h |
-#define ICOImageDecoder_h |
- |
-#include "core/platform/image-decoders/bmp/BMPImageReader.h" |
- |
-namespace WebCore { |
- |
- class PNGImageDecoder; |
- |
- // This class decodes the ICO and CUR image formats. |
- class ICOImageDecoder : public ImageDecoder { |
- public: |
- ICOImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProfileOption, size_t maxDecodedBytes); |
- virtual ~ICOImageDecoder(); |
- |
- // ImageDecoder |
- virtual String filenameExtension() const { return "ico"; } |
- virtual void setData(SharedBuffer*, bool allDataReceived); |
- virtual bool isSizeAvailable(); |
- virtual IntSize size() const; |
- virtual IntSize frameSizeAtIndex(size_t) const; |
- virtual bool setSize(unsigned width, unsigned height); |
- virtual size_t frameCount(); |
- virtual ImageFrame* frameBufferAtIndex(size_t); |
- // CAUTION: setFailed() deletes all readers and decoders. Be careful to |
- // avoid accessing deleted memory, especially when calling this from |
- // inside BMPImageReader! |
- virtual bool setFailed(); |
- virtual bool hotSpot(IntPoint&) const; |
- |
- private: |
- enum ImageType { |
- Unknown, |
- BMP, |
- PNG, |
- }; |
- |
- enum FileType { |
- ICON = 1, |
- CURSOR = 2, |
- }; |
- |
- struct IconDirectoryEntry { |
- IntSize m_size; |
- uint16_t m_bitCount; |
- IntPoint m_hotSpot; |
- uint32_t m_imageOffset; |
- }; |
- |
- // Returns true if |a| is a preferable icon entry to |b|. |
- // Larger sizes, or greater bitdepths at the same size, are preferable. |
- static bool compareEntries(const IconDirectoryEntry& a, const IconDirectoryEntry& b); |
- |
- inline uint16_t readUint16(int offset) const |
- { |
- return BMPImageReader::readUint16(m_data.get(), m_decodedOffset + offset); |
- } |
- |
- inline uint32_t readUint32(int offset) const |
- { |
- return BMPImageReader::readUint32(m_data.get(), m_decodedOffset + offset); |
- } |
- |
- // If the desired PNGImageDecoder exists, gives it the appropriate data. |
- void setDataForPNGDecoderAtIndex(size_t); |
- |
- // Decodes the entry at |index|. If |onlySize| is true, stops decoding |
- // after calculating the image size. If decoding fails but there is no |
- // more data coming, sets the "decode failure" flag. |
- void decode(size_t index, bool onlySize); |
- |
- // Decodes the directory and directory entries at the beginning of the |
- // data, and initializes members. Returns true if all decoding |
- // succeeded. Once this returns true, all entries' sizes are known. |
- bool decodeDirectory(); |
- |
- // Decodes the specified entry. |
- bool decodeAtIndex(size_t); |
- |
- // Processes the ICONDIR at the beginning of the data. Returns true if |
- // the directory could be decoded. |
- bool processDirectory(); |
- |
- // Processes the ICONDIRENTRY records after the directory. Keeps the |
- // "best" entry as the one we'll decode. Returns true if the entries |
- // could be decoded. |
- bool processDirectoryEntries(); |
- |
- // Stores the hot-spot for |index| in |hotSpot| and returns true, |
- // or returns false if there is none. |
- bool hotSpotAtIndex(size_t index, IntPoint& hotSpot) const; |
- |
- // Reads and returns a directory entry from the current offset into |
- // |data|. |
- IconDirectoryEntry readDirectoryEntry(); |
- |
- // Determines whether the desired entry is a BMP or PNG. Returns true |
- // if the type could be determined. |
- ImageType imageTypeAtIndex(size_t); |
- |
- // An index into |m_data| representing how much we've already decoded. |
- // Note that this only tracks data _this_ class decodes; once the |
- // BMPImageReader takes over this will not be updated further. |
- size_t m_decodedOffset; |
- |
- // Which type of file (ICO/CUR) this is. |
- FileType m_fileType; |
- |
- // The headers for the ICO. |
- typedef Vector<IconDirectoryEntry> IconDirectoryEntries; |
- IconDirectoryEntries m_dirEntries; |
- |
- // The image decoders for the various frames. |
- typedef Vector<OwnPtr<BMPImageReader> > BMPReaders; |
- BMPReaders m_bmpReaders; |
- typedef Vector<OwnPtr<PNGImageDecoder> > PNGDecoders; |
- PNGDecoders m_pngDecoders; |
- |
- // Valid only while a BMPImageReader is decoding, this holds the size |
- // for the particular entry being decoded. |
- IntSize m_frameSize; |
- }; |
- |
-} // namespace WebCore |
- |
-#endif |