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 *
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 * Copyright 2000, 2010 Oracle and/or its affiliates.
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"

#include <tools/debug.hxx>

#include <vcl/bitmap.hxx>

#include <svdata.hxx>
#include <salinst.hxx>
#include <salbmp.hxx>
#include <impbmp.hxx>

// --------------
// - ImpBitmap	-
// --------------

ImpBitmap::ImpBitmap() :
			mnRefCount	( 1UL ),
			mnChecksum	( 0UL ),
			mpSalBitmap ( ImplGetSVData()->mpDefInst->CreateSalBitmap() ),
			maSourceSize( 0, 0 )
{
}

// -----------------------------------------------------------------------

ImpBitmap::~ImpBitmap()
{
	delete mpSalBitmap;
}

// -----------------------------------------------------------------------
void ImpBitmap::ImplSetSalBitmap( SalBitmap* pBitmap )
{
	delete mpSalBitmap, mpSalBitmap = pBitmap;
}

// -----------------------------------------------------------------------
	
sal_Bool ImpBitmap::ImplCreate( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal )
{
	maSourceSize = rSize;
	return mpSalBitmap->Create( rSize, nBitCount, rPal );
}

// -----------------------------------------------------------------------

sal_Bool ImpBitmap::ImplCreate( const ImpBitmap& rImpBitmap )
{
	maSourceSize = rImpBitmap.maSourceSize;
	mnChecksum = rImpBitmap.mnChecksum;
	return mpSalBitmap->Create( *rImpBitmap.mpSalBitmap );
}

// -----------------------------------------------------------------------

sal_Bool ImpBitmap::ImplCreate( const ImpBitmap& rImpBitmap, SalGraphics* pGraphics )
{
	return mpSalBitmap->Create( *rImpBitmap.mpSalBitmap, pGraphics );
}

// -----------------------------------------------------------------------

sal_Bool ImpBitmap::ImplCreate( const ImpBitmap& rImpBitmap, sal_uInt16 nNewBitCount )
{
	return mpSalBitmap->Create( *rImpBitmap.mpSalBitmap, nNewBitCount );
}

// -----------------------------------------------------------------------

void ImpBitmap::ImplDestroy()
{
	mpSalBitmap->Destroy();
}

// -----------------------------------------------------------------------

Size ImpBitmap::ImplGetSize() const
{
	return mpSalBitmap->GetSize();
}

// -----------------------------------------------------------------------

sal_uInt16 ImpBitmap::ImplGetBitCount() const
{
	sal_uInt16 nBitCount = mpSalBitmap->GetBitCount();
	return( ( nBitCount <= 1 ) ? 1 : ( nBitCount <= 4 ) ? 4 : ( nBitCount <= 8 ) ? 8 : 24 );
}

// -----------------------------------------------------------------------

BitmapBuffer* ImpBitmap::ImplAcquireBuffer( sal_Bool bReadOnly )
{
	return mpSalBitmap->AcquireBuffer( bReadOnly );
}

// -----------------------------------------------------------------------

void ImpBitmap::ImplReleaseBuffer( BitmapBuffer* pBuffer, sal_Bool bReadOnly )
{
	mpSalBitmap->ReleaseBuffer( pBuffer, bReadOnly );

	if( !bReadOnly )
		mnChecksum = 0;
}