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-rw-r--r--WebCore/platform/image-decoders/xbm/XBMImageDecoder.h83
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diff --git a/WebCore/platform/image-decoders/xbm/XBMImageDecoder.h b/WebCore/platform/image-decoders/xbm/XBMImageDecoder.h
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--- a/WebCore/platform/image-decoders/xbm/XBMImageDecoder.h
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-/*
- * 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 XBMImageDecoder_h
-#define XBMImageDecoder_h
-
-#include "ImageDecoder.h"
-
-namespace WebCore {
-
- // This class decodes the XBM image format.
- class XBMImageDecoder : public ImageDecoder {
- public:
- XBMImageDecoder();
- virtual ~XBMImageDecoder() {}
-
- virtual String filenameExtension() const { return "xbm"; }
-
- virtual void setData(SharedBuffer* data, bool allDataReceived);
- // Whether or not the size information has been decoded yet.
- virtual bool isSizeAvailable();
- virtual RGBA32Buffer* frameBufferAtIndex(size_t index);
-
- private:
- // Restricts image size to something "reasonable".
- // This protects agains ridiculously large XBMs and prevents bad things
- // like overflow of m_bitsDecoded.
- static const int maxDimension = 65535;
-
- // In X10, an array of type "short" is used to declare the image bits,
- // but in X11, the type is "char".
- enum DataType {
- Unknown,
- X10,
- X11,
- };
-
- bool decodeHeader();
- bool decodeDatum(uint16_t* result);
- bool decodeData();
- void decode(bool sizeOnly);
-
- // FIXME: Copying all the XBM data just so we can NULL-terminate, just
- // so we can use sscanf() and friends, is lame. The decoder should be
- // rewritten to operate on m_data directly.
- Vector<char> m_xbmString; // Null-terminated copy of the XBM data.
- size_t m_decodeOffset; // The current offset in m_xbmString for decoding.
- bool m_allDataReceived;
- bool m_decodedHeader;
- enum DataType m_dataType;
- int m_bitsDecoded;
- };
-
-} // namespace WebCore
-
-#endif