/**************************************************************
 * 
 * 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 _EMFWR_HXX
#define _EMFWR_HXX

#include <tools/debug.hxx>
#include <vcl/metaact.hxx>
#include <vcl/graph.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/virdev.hxx>
#include <svtools/fltcall.hxx>

// -------------
// - EMFWriter -
// -------------

class LineInfo;
namespace basegfx { class B2DPolygon; }

class EMFWriter
{
private:

	VirtualDevice		maVDev;
	MapMode				maDestMapMode;
	FilterConfigItem*	mpFilterConfigItem;
	SvStream*			mpStm;
	sal_Bool*				mpHandlesUsed;
	sal_uLong				mnHandleCount;
	sal_uLong				mnLastPercent;
	sal_uLong				mnRecordCount;
	sal_uLong				mnRecordPos;
	sal_Bool				mbRecordOpen;
	sal_Bool				mbLineChanged;
	sal_uInt32			mnLineHandle;
	sal_Bool				mbFillChanged;
	sal_uInt32			mnFillHandle;
	sal_Bool				mbTextChanged;
	sal_uInt32			mnTextHandle;
	sal_uInt32			mnHorTextAlign;

	void				ImplBeginRecord( sal_uInt32 nType );
	void				ImplEndRecord();
						
	sal_uLong				ImplAcquireHandle();
	void				ImplReleaseHandle( sal_uLong nHandle );

	sal_Bool				ImplPrepareHandleSelect( sal_uInt32& rHandle, sal_uLong nSelectType );
	void				ImplCheckLineAttr();
	void				ImplCheckFillAttr();
	void				ImplCheckTextAttr();

	void				ImplWriteColor( const Color& rColor );
	void				ImplWriteRasterOp( RasterOp eRop );
	void				ImplWriteExtent( long nExtent );
	void				ImplWritePoint( const Point& rPoint );
	void				ImplWriteSize( const Size& rSize);
	void				ImplWriteRect( const Rectangle& rRect );
	void				ImplWritePath( const PolyPolygon& rPolyPoly, sal_Bool bClose );
	void				ImplWritePolygonRecord( const Polygon& rPoly, sal_Bool bClose );
	void				ImplWritePolyPolygonRecord( const PolyPolygon& rPolyPoly );
	void				ImplWriteBmpRecord( const Bitmap& rBmp, const Point& rPt, const Size& rSz, sal_uInt32 nROP );
	void				ImplWriteTextRecord( const Point& rPos, const String rText, const sal_Int32* pDXArray, sal_uInt32 nWidth );

    void                Impl_handleLineInfoPolyPolygons(const LineInfo& rInfo, const basegfx::B2DPolygon& rLinePolygon);
	void				ImplWrite( const GDIMetaFile& rMtf );

public:

						EMFWriter() {}

	sal_Bool				WriteEMF( const GDIMetaFile& rMtf, SvStream& rOStm, FilterConfigItem* pConfigItem = NULL );
};

#endif // _EMFWR_HXX