diff options
Diffstat (limited to 'vcl/source/gdi/cvtgrf.cxx')
| -rw-r--r-- | vcl/source/gdi/cvtgrf.cxx | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/vcl/source/gdi/cvtgrf.cxx b/vcl/source/gdi/cvtgrf.cxx new file mode 100644 index 000000000000..8ba963bc4718 --- /dev/null +++ b/vcl/source/gdi/cvtgrf.cxx @@ -0,0 +1,175 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" + +#ifndef _SV_SVSYS_HXX +#include <svsys.h> +#endif +#include <vcl/metaact.hxx> +#include <vcl/salinst.hxx> +#include <vcl/svdata.hxx> +#include <vcl/cvtgrf.hxx> + +// -------------- +// - Callback - +// -------------- + +// -------------------- +// - GraphicConverter - +// -------------------- + +GraphicConverter::GraphicConverter() : + mpConvertData( NULL ) +{ +} + +// ------------------------------------------------------------------------ + +GraphicConverter::~GraphicConverter() +{ +} + +// ------------------------------------------------------------------------ + +ULONG GraphicConverter::ImplConvert( ULONG nInFormat, void* pInBuffer, ULONG nInBufSize, + void** ppOutBuffer, ULONG nOutFormat ) +{ + ULONG nRetBufSize = 0UL; + + if( ( nInFormat != nOutFormat ) && pInBuffer ) + { + if( ( nInFormat == CVT_SVM ) || ( nInFormat == CVT_BMP ) ) + { + SvMemoryStream aIStm; + Graphic aGraphic; + + aIStm.SetBuffer( (char*) pInBuffer, nInBufSize, FALSE, nInBufSize ); + aIStm >> aGraphic; + + if( !aIStm.GetError() ) + { + SvMemoryStream aOStm( 64535, 64535 ); + + mpConvertData = new ConvertData( aGraphic, aOStm, nOutFormat ); + + if( maFilterHdl.IsSet() && maFilterHdl.Call( mpConvertData ) ) + { + nRetBufSize = aOStm.Seek( STREAM_SEEK_TO_END ); + *ppOutBuffer = (void*) aOStm.GetData(); + aOStm.ObjectOwnsMemory( FALSE ); + } + + delete mpConvertData; + mpConvertData = NULL; + } + } + else if( ( nOutFormat == CVT_SVM ) || ( nOutFormat == CVT_BMP ) ) + { + SvMemoryStream aIStm; + + aIStm.SetBuffer( (char*) pInBuffer, nInBufSize, FALSE, nInBufSize ); + mpConvertData = new ConvertData( Graphic(), aIStm, nInFormat ); + + if( maFilterHdl.IsSet() && maFilterHdl.Call( mpConvertData ) ) + { + SvMemoryStream aOStm( 645535, 64535 ); + Graphic& rGraphic = mpConvertData->maGraphic; + + if( ( rGraphic.GetType() == GRAPHIC_BITMAP ) && ( CVT_SVM == nOutFormat ) ) + { + GDIMetaFile aMtf; + + aMtf.SetPrefSize( rGraphic.GetPrefSize() ); + aMtf.SetPrefMapMode( rGraphic.GetPrefMapMode() ); + aMtf.AddAction( new MetaBmpExScaleAction( Point(), aMtf.GetPrefSize(), rGraphic.GetBitmapEx() ) ); + rGraphic = aMtf; + } + else if( ( rGraphic.GetType() == GRAPHIC_GDIMETAFILE ) && ( CVT_BMP == nOutFormat ) ) + rGraphic = rGraphic.GetBitmapEx(); + + aOStm << rGraphic; + + if( !aOStm.GetError() ) + { + nRetBufSize = aOStm.Seek( STREAM_SEEK_TO_END ); + *ppOutBuffer = (void*) aOStm.GetData(); + aOStm.ObjectOwnsMemory( FALSE ); + } + } + + delete mpConvertData; + mpConvertData = NULL; + } + } + + return nRetBufSize; +} + +// ------------------------------------------------------------------------ + +ULONG GraphicConverter::Import( SvStream& rIStm, Graphic& rGraphic, ULONG nFormat ) +{ + GraphicConverter* pCvt = ImplGetSVData()->maGDIData.mpGrfConverter; + 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; +} + +// ------------------------------------------------------------------------ + +ULONG GraphicConverter::Export( SvStream& rOStm, const Graphic& rGraphic, ULONG nFormat ) +{ + GraphicConverter* pCvt = ImplGetSVData()->maGDIData.mpGrfConverter; + 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; +} |