176 lines
5.6 KiB
C++
176 lines
5.6 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_vcl.hxx"
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#ifndef _SV_SVSYS_HXX
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#include <svsys.h>
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#endif
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#include <vcl/metaact.hxx>
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#include <vcl/salinst.hxx>
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#include <vcl/svdata.hxx>
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#include <vcl/cvtgrf.hxx>
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// --------------
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// - Callback -
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// --------------
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// --------------------
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// - GraphicConverter -
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// --------------------
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GraphicConverter::GraphicConverter() :
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mpConvertData( NULL )
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{
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}
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// ------------------------------------------------------------------------
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GraphicConverter::~GraphicConverter()
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{
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}
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// ------------------------------------------------------------------------
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sal_uLong GraphicConverter::ImplConvert( sal_uLong nInFormat, void* pInBuffer, sal_uLong nInBufSize,
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void** ppOutBuffer, sal_uLong nOutFormat )
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{
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sal_uLong nRetBufSize = 0UL;
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if( ( nInFormat != nOutFormat ) && pInBuffer )
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{
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if( ( nInFormat == CVT_SVM ) || ( nInFormat == CVT_BMP ) )
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{
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SvMemoryStream aIStm;
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Graphic aGraphic;
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aIStm.SetBuffer( (char*) pInBuffer, nInBufSize, sal_False, nInBufSize );
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aIStm >> aGraphic;
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if( !aIStm.GetError() )
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{
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SvMemoryStream aOStm( 64535, 64535 );
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mpConvertData = new ConvertData( aGraphic, aOStm, nOutFormat );
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if( maFilterHdl.IsSet() && maFilterHdl.Call( mpConvertData ) )
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{
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nRetBufSize = aOStm.Seek( STREAM_SEEK_TO_END );
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*ppOutBuffer = (void*) aOStm.GetData();
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aOStm.ObjectOwnsMemory( sal_False );
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}
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delete mpConvertData;
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mpConvertData = NULL;
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}
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}
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else if( ( nOutFormat == CVT_SVM ) || ( nOutFormat == CVT_BMP ) )
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{
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SvMemoryStream aIStm;
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aIStm.SetBuffer( (char*) pInBuffer, nInBufSize, sal_False, nInBufSize );
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mpConvertData = new ConvertData( Graphic(), aIStm, nInFormat );
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if( maFilterHdl.IsSet() && maFilterHdl.Call( mpConvertData ) )
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{
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SvMemoryStream aOStm( 645535, 64535 );
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Graphic& rGraphic = mpConvertData->maGraphic;
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if( ( rGraphic.GetType() == GRAPHIC_BITMAP ) && ( CVT_SVM == nOutFormat ) )
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{
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GDIMetaFile aMtf;
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aMtf.SetPrefSize( rGraphic.GetPrefSize() );
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aMtf.SetPrefMapMode( rGraphic.GetPrefMapMode() );
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aMtf.AddAction( new MetaBmpExScaleAction( Point(), aMtf.GetPrefSize(), rGraphic.GetBitmapEx() ) );
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rGraphic = aMtf;
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}
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else if( ( rGraphic.GetType() == GRAPHIC_GDIMETAFILE ) && ( CVT_BMP == nOutFormat ) )
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rGraphic = rGraphic.GetBitmapEx();
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aOStm << rGraphic;
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if( !aOStm.GetError() )
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{
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nRetBufSize = aOStm.Seek( STREAM_SEEK_TO_END );
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*ppOutBuffer = (void*) aOStm.GetData();
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aOStm.ObjectOwnsMemory( sal_False );
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}
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}
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delete mpConvertData;
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mpConvertData = NULL;
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}
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}
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return nRetBufSize;
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}
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// ------------------------------------------------------------------------
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sal_uLong GraphicConverter::Import( SvStream& rIStm, Graphic& rGraphic, sal_uLong nFormat )
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{
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GraphicConverter* pCvt = ImplGetSVData()->maGDIData.mpGrfConverter;
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sal_uLong nRet = ERRCODE_IO_GENERAL;
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if( pCvt && pCvt->GetFilterHdl().IsSet() )
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{
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ConvertData aData( rGraphic, rIStm, nFormat );
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if( pCvt->GetFilterHdl().Call( &aData ) )
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{
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rGraphic = aData.maGraphic;
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nRet = ERRCODE_NONE;
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}
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else if( rIStm.GetError() )
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nRet = rIStm.GetError();
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}
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return nRet;
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}
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// ------------------------------------------------------------------------
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sal_uLong GraphicConverter::Export( SvStream& rOStm, const Graphic& rGraphic, sal_uLong nFormat )
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{
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GraphicConverter* pCvt = ImplGetSVData()->maGDIData.mpGrfConverter;
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sal_uLong nRet = ERRCODE_IO_GENERAL;
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if( pCvt && pCvt->GetFilterHdl().IsSet() )
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{
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ConvertData aData( rGraphic, rOStm, nFormat );
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if( pCvt->GetFilterHdl().Call( &aData ) )
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nRet = ERRCODE_NONE;
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else if( rOStm.GetError() )
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nRet = rOStm.GetError();
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}
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return nRet;
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}
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