/**************************************************************
 * 
 * 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 _SV_SALBMP_H
#define _SV_SALBMP_H

#include <tools/gen.hxx>
#include <win/wincomp.hxx>
#include <salbmp.hxx>

// --------------
// - SalBitmap	-
// --------------

struct	BitmapBuffer;
class	BitmapColor;
class	BitmapPalette;
class	SalGraphics;

class WinSalBitmap : public SalBitmap
{
private:

	Size				maSize;
	HGLOBAL 			mhDIB;
	HBITMAP 			mhDDB;
	sal_uInt16				mnBitCount;

public:

	HGLOBAL 			ImplGethDIB() const { return mhDIB; }
	HBITMAP 			ImplGethDDB() const { return mhDDB; }

	static HGLOBAL		ImplCreateDIB( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal );
	static HANDLE		ImplCopyDIBOrDDB( HANDLE hHdl, bool bDIB );
	static sal_uInt16		ImplGetDIBColorCount( HGLOBAL hDIB );
	static void 		ImplDecodeRLEBuffer( const BYTE* pSrcBuf, BYTE* pDstBuf,
											 const Size& rSizePixel, bool bRLE4 );

public:

						WinSalBitmap();
	virtual				~WinSalBitmap();

public:

	bool                        Create( HANDLE hBitmap, bool bDIB, bool bCopyHandle );
	virtual bool                Create( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal );
	virtual bool                Create( const SalBitmap& rSalBmpImpl );
	virtual bool                Create( const SalBitmap& rSalBmpImpl, SalGraphics* pGraphics );
	virtual bool                Create( const SalBitmap& rSalBmpImpl, sal_uInt16 nNewBitCount );

	virtual void                Destroy();

	virtual Size                GetSize() const { return maSize; }
	virtual sal_uInt16              GetBitCount() const { return mnBitCount; }

	virtual BitmapBuffer*		AcquireBuffer( bool bReadOnly );
	virtual void                ReleaseBuffer( BitmapBuffer* pBuffer, bool bReadOnly );
    virtual bool                GetSystemData( BitmapSystemData& rData );
};

#endif // _SV_SALBMP_HXX