88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Tim Rowley.
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* Portions created by Tim Rowley are
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* Copyright (C) 2001 Tim Rowley. Rights Reserved.
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*
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* Contributor(s):
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* Tim Rowley <tor@cs.brown.edu>
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*/
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#ifndef _imgContainerMNG_h_
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#define _imgContainerMNG_h_
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#include "imgIContainerObserver.h"
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#include "imgIContainer.h"
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#include "nsSize.h"
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#include "nsSupportsArray.h"
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#include "nsCOMPtr.h"
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#include "nsITimer.h"
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#include "nsITimerCallback.h"
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#include "imgIDecoderObserver.h"
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#include "gfxIImageFrame.h"
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#include "nsWeakReference.h"
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#include "nsIInputStream.h"
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#include "nsMNGDecoder.h"
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#include "libmng.h"
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#define NS_MNGCONTAINER_CID \
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{ /* 7fc64c50-1dd2-11b2-85fe-997f8a1263d6 */ \
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0x7fc64c50, \
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0x1dd2, \
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0x11b2, \
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{0x85, 0xfe, 0x99, 0x7f, 0x8a, 0x12, 0x63, 0xd6} \
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}
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class imgContainerMNG : public imgIContainer
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_IMGICONTAINER
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imgContainerMNG();
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virtual ~imgContainerMNG();
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NS_IMETHODIMP WriteMNG(nsIInputStream *inStr, PRInt32 count, PRUint32 *_retval);
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void InitMNG(nsMNGDecoder *decoder);
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nsWeakPtr mObserver;
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nsMNGDecoder *mDecoder;
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nsCOMPtr<gfxIImageFrame> mFrame;
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nsSize mSize;
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PRUint16 mAnimationMode;
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// Unfortunately we need to keep a copy of the image because partial
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// reads in necko aren't guaranteed to work (darin 5/11/2001).
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// Brute force for now, keeping the entire stream around.
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PRUint8 *mBuffer; // copy of image stream
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PRUint32 mBufferEnd; // size
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PRUint32 mBufferPtr; // libmng current read location
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PRUint8 *image; // full image buffer
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PRUint8 *alpha; // full alpha buffer
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mng_handle mHandle; // libmng handle
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// PRUint32 mWidth; // width (for offset calcs)
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// PRUint32 mHeight;
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PRUint32 mByteWidth, mByteWidthAlpha;
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nsCOMPtr<nsITimer> mTimer;
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PRPackedBool mResumeNeeded; // display_resume call needed?
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PRPackedBool mFrozen; // animation frozen?
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PRPackedBool mErrorPending; // decode error to report?
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};
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#endif
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