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#include <vcl/metaact.hxx>
#include <vcl/cvtgrf.hxx>

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

// --------------
// - Callback   -
// --------------

// --------------------
// - GraphicConverter -
// --------------------

GraphicConverter::GraphicConverter() :
    mpConvertData( NULL )
{
}

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

GraphicConverter::~GraphicConverter()
{
}

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

sal_uLong GraphicConverter::Import( SvStream& rIStm, Graphic& rGraphic, sal_uLong nFormat )
{
    GraphicConverter*   pCvt = ImplGetSVData()->maGDIData.mpGrfConverter;
    sal_uLong               nRet = ERRCODE_IO_GENERAL;

    if( pCvt && pCvt->GetFilterHdl().IsSet() )
    {
        ConvertData aData( rGraphic, rIStm, nFormat );

        if( pCvt->GetFilterHdl().Call( &aData ) )
        {
            rGraphic = aData.maGraphic;
            nRet = ERRCODE_NONE;
        }
        else if( rIStm.GetError() )
            nRet = rIStm.GetError();
    }

    return nRet;
}

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

sal_uLong GraphicConverter::Export( SvStream& rOStm, const Graphic& rGraphic, sal_uLong nFormat )
{
    GraphicConverter*   pCvt = ImplGetSVData()->maGDIData.mpGrfConverter;
    sal_uLong               nRet = ERRCODE_IO_GENERAL;

    if( pCvt && pCvt->GetFilterHdl().IsSet() )
    {
        ConvertData aData( rGraphic, rOStm, nFormat );

        if( pCvt->GetFilterHdl().Call( &aData ) )
            nRet = ERRCODE_NONE;
        else if( rOStm.GetError() )
            nRet = rOStm.GetError();
    }

    return nRet;
}

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