/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#ifndef _XPMREAD_HXX
#define _XPMREAD_HXX

#ifndef _BITMAP_HXX
#include <vcl/bitmap.hxx>
#endif

#ifdef _XPMPRIVATE

#define XPMTEMPBUFSIZE		0x00008000
#define XPMSTRINGBUF		0x00008000

#define XPMIDENTIFIER		0x00000001			// mnIdentifier includes on of the six phases
#define XPMDEFINITION		0x00000002			// the XPM format consists of
#define XPMVALUES			0x00000003
#define XPMCOLORS			0x00000004
#define XPMPIXELS			0x00000005
#define XPMEXTENSIONS		0x00000006
#define XPMENDEXT			0x00000007


#define XPMREMARK			0x00000001			// defines used by mnStatus
#define XPMDOUBLE			0x00000002
#define XPMSTRING			0x00000004
#define XPMFINISHED			0x00000008

#define XPMCASESENSITIVE	0x00000001
#define XPMCASENONSENSITIVE 0x00000002

// ---------
// - Enums -
// ---------

enum ReadState
{
	XPMREAD_OK,
	XPMREAD_ERROR,
	XPMREAD_NEED_MORE
};

// -------------
// - XPMReader -
// -------------

class BitmapWriteAccess;
class Graphic;

class XPMReader : public GraphicReader
{
private:

	SvStream&			mrIStm;
	Bitmap				maBmp;
	BitmapWriteAccess*	mpAcc;
	Bitmap				maMaskBmp;
	BitmapWriteAccess*	mpMaskAcc;
	long				mnLastPos;

	sal_uLong				mnWidth;
	sal_uLong				mnHeight;
	sal_uLong				mnColors;
	sal_uLong				mnCpp;								// characters per pix
	sal_Bool				mbTransparent;
	sal_Bool				mbStatus;
	sal_uLong				mnStatus;
	sal_uLong				mnIdentifier;
	sal_uInt8				mcThisByte;
	sal_uInt8				mcLastByte;
	sal_uLong				mnTempAvail;
	sal_uInt8*				mpTempBuf;
	sal_uInt8*				mpTempPtr;
	sal_uInt8*				mpFastColorTable;
	sal_uInt8*				mpColMap;
	sal_uLong				mnStringSize;
	sal_uInt8*				mpStringBuf;
	sal_uLong				mnParaSize;
	sal_uInt8*				mpPara;

	sal_Bool				ImplGetString( void );
	sal_Bool				ImplGetColor( sal_uLong );
	sal_Bool				ImplGetScanLine( sal_uLong );
	sal_Bool				ImplGetColSub( sal_uInt8* );
	sal_Bool				ImplGetColKey( sal_uInt8 );
	void				ImplGetRGBHex( sal_uInt8*, sal_uLong );
	sal_Bool				ImplGetPara( sal_uLong numb );
	sal_Bool				ImplCompare( sal_uInt8*, sal_uInt8*, sal_uLong, sal_uLong nmode = XPMCASENONSENSITIVE );
	sal_uLong				ImplGetULONG( sal_uLong nPara );

public:
						XPMReader( SvStream& rStm );
	virtual				~XPMReader();

	ReadState			ReadXPM( Graphic& rGraphic );
};

#endif // _XPMPRIVATE

// -------------
// - ImportXPM -
// -------------

sal_Bool ImportXPM( SvStream& rStream, Graphic& rGraphic );

#endif // _XPMREAD_HXX