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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef _SV_SALBMP_H
#define _SV_SALBMP_H

#include "tools/gen.hxx"

#include "basebmp/bitmapdevice.hxx"

#include "vcl/salbtype.hxx"

#include "aqua/salconst.h"
#include "aqua/salgdi.h"

#include "saldata.hxx"
#include "salinst.hxx"
#include "salvd.hxx"
#include "salbmp.hxx"

#include "salcolorutils.hxx"


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

struct	BitmapBuffer;
class	BitmapColor;
class	BitmapPalette;
class	AquaSalVirtualDevice;
class	AquaSalGraphics;

class AquaSalBitmap : public SalBitmap
{
public:
	CGContextRef					mxGraphicContext;
	mutable CGImageRef				mxCachedImage;
	BitmapPalette					maPalette;
	basebmp::RawMemorySharedArray	maUserBuffer;
	basebmp::RawMemorySharedArray	maContextBuffer;
	sal_uInt16						mnBits;
	int								mnWidth;
	int								mnHeight;
	sal_uInt32						mnBytesPerRow;

public:
	AquaSalBitmap();
    virtual ~AquaSalBitmap();
    
public:
       
	// SalBitmap methods
    bool            Create( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal );
    bool            Create( const SalBitmap& rSalBmp );
    bool            Create( const SalBitmap& rSalBmp, SalGraphics* pGraphics );
    bool            Create( const SalBitmap& rSalBmp, sal_uInt16 nNewBitCount );
    
    void            Destroy();
    
    Size            GetSize() const;
    sal_uInt16          GetBitCount() const;
    
    BitmapBuffer   *AcquireBuffer( bool bReadOnly );
    void            ReleaseBuffer( BitmapBuffer* pBuffer, bool bReadOnly );

    bool            GetSystemData( BitmapSystemData& rData );

private:
	// quartz helper
	bool			CreateContext();
    void            DestroyContext();
	bool			AllocateUserData();

	void			ConvertBitmapData( sal_uInt32 nWidth, sal_uInt32 nHeight, 
									   sal_uInt16 nDestBits, sal_uInt32 nDestBytesPerRow, const BitmapPalette& rDestPalette, sal_uInt8* pDestData,
									   sal_uInt16 nSrcBits, sal_uInt32 nSrcBytesPerRow, const BitmapPalette& rSrcPalette, sal_uInt8* pSrcData );

public:
	bool			Create( CGLayerRef xLayer, int nBitCount, int nX, int nY, int nWidth, int nHeight, bool bMirrorVert = true );

public:
	CGImageRef		CreateWithMask( const AquaSalBitmap& rMask, int nX, int nY, int nWidth, int nHeight ) const;
	CGImageRef		CreateColorMask( int nX, int nY, int nWidth, int nHeight, SalColor nMaskColor ) const;
	CGImageRef		CreateCroppedImage( int nX, int nY, int nWidth, int nHeight ) const;
};

#endif // _SV_SALBMP_HXX