/**************************************************************
 * 
 * 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 _XBMREAD_HXX
#define _XBMREAD_HXX

#ifndef _GRAPH_HXX
#include <vcl/graph.hxx>
#endif
#ifndef _BMPACC_HXX
#include <vcl/bmpacc.hxx>
#endif

#ifdef _XBMPRIVATE

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

enum XBMFormat
{
	XBM10,
	XBM11
};

enum ReadState
{
	XBMREAD_OK,
	XBMREAD_ERROR,
	XBMREAD_NEED_MORE
};

// -------------
// - XBMReader -
// -------------

class XBMReader : public GraphicReader
{
	SvStream&			rIStm;
	Bitmap				aBmp1;
	BitmapWriteAccess*	pAcc1;
	short*				pHexTable;
	BitmapColor			aWhite;
	BitmapColor			aBlack;
	long				nLastPos;
	long				nWidth;
	long				nHeight;
	sal_Bool				bStatus;

	void				InitTable();
	ByteString			FindTokenLine( SvStream* pInStm, const char* pTok1,
									   const char* pTok2 = NULL, const char* pTok3 = NULL );
	long				ParseDefine( const sal_Char* pDefine );
	sal_Bool				ParseData( SvStream* pInStm, const ByteString& aLastLine, XBMFormat eFormat );


public:

						XBMReader( SvStream& rStm );
	virtual				~XBMReader();

	ReadState			ReadXBM( Graphic& rGraphic );
};

#endif // _XBMPRIVATE

// -------------
// - ImportXBM -
// -------------

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

#endif // _XBMREAD_HXX