libreoffice/vcl/source/gdi/impbmp.cxx

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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"

#ifndef _SV_SVSYS_HXX
#include <svsys.h>
#endif
#include <vcl/salbmp.hxx>
#include <tools/debug.hxx>
#include <vcl/impbmp.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/svdata.hxx>
#include <vcl/salinst.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;
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    if( !bReadOnly )
        mnChecksum = 0;
}