mmplugins/imagingplugins/codecs/GifCodec/GIFConvert.h
changeset 0 40261b775718
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmplugins/imagingplugins/codecs/GifCodec/GIFConvert.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,80 @@
+// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Licensed under US Patent No 4,558,302 and foreign counterparts
+// 
+//
+
+#ifndef GIFCONVERT_H
+#define GIFCONVERT_H
+
+#include <icl/imageplugin.h>
+#include "GIFcodec.h"
+#include "GIFFormat.h"
+
+class CGifReadCodec;
+class TGifImageInformation;
+class CGifDecoder : public CImageDecoderPlugin
+	{
+public:
+	static CGifDecoder* NewL();
+	~CGifDecoder();
+
+	// From CImageDecoder
+	void ImageType(TInt aFrameNumber, TUid& aImageType, TUid& aImageSubType) const;
+	TInt NumberOfImageComments() const;
+	HBufC* ImageCommentL(TInt aCommentNumber) const;
+
+protected:
+	// From CImageDecoder
+	CFrameInfoStrings* FrameInfoStringsL(RFs& aFs, TInt aFrameNumber);
+
+private:
+	CGifDecoder();
+	void ReadFormatL();
+	// From CImageDecoderPlugin
+	void ScanDataL();
+private:
+	TInt iReadBlockLength;
+	TGifFileInformation iFileInfo;
+	TInt iGlobalPaletteEntries;
+	TRgb iGlobalPalette[KGifColorTableMaxEntries];
+	TBool iLoadingFrame;
+	};
+
+
+// CGifEncoder
+class CGifScaler;
+class CGifWriteCodec;
+class CGifEncoder : public CImageEncoderPlugin
+	{
+public:
+	static CGifEncoder* NewL();
+	virtual ~CGifEncoder();
+	
+	const CPalette* Palette() const;
+protected:
+	//from CImageEncoderPlugin
+	void PrepareEncoderL(const CFrameImageData* aFrameImageData);
+	void UpdateHeaderL();
+	void WriteExifDataL(TRequestStatus*& aScaleCompletionStatus);
+private:
+	void ConstructL();
+	CGifEncoder();
+private:
+	CPalette* iPalette;
+	CFbsBitmap* iDest;
+	CGifScaler* iGifScaler;
+	};
+
+#endif // GIFCONVERT_H