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Diffstat (limited to 'vcl/source/gdi/cvtgrf.cxx')
| -rw-r--r-- | vcl/source/gdi/cvtgrf.cxx | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/vcl/source/gdi/cvtgrf.cxx b/vcl/source/gdi/cvtgrf.cxx new file mode 100644 index 000000000000..1005cf3396d5 --- /dev/null +++ b/vcl/source/gdi/cvtgrf.cxx @@ -0,0 +1,232 @@ +/************************************************************************* + * + * $RCSfile: cvtgrf.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 17:05:37 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#define _SV_CVTGRF_CXX + +#ifndef _SV_SVSYS_HXX +#include <svsys.h> +#endif +#ifndef _SV_METAACT_HXX +#include <metaact.hxx> +#endif +#ifndef _SV_SALINST_HXX +#include <salinst.hxx> +#endif +#ifndef _SV_SVDATA_HXX +#include <svdata.hxx> +#endif +#ifndef _SV_CVTGRF_HXX +#include <cvtgrf.hxx> +#endif + +// -------------- +// - Callback - +// -------------- + +#ifndef REMOTE_APPSERVER + +ULONG ImplFilterCallback( void* pInst, + ULONG nInFormat, void* pInBuffer, ULONG nInBufSize, + ULONG nOutFormat, void** ppOutBuffer ) +{ + return( ( (GraphicConverter*) pInst )->ImplConvert( nInFormat, + pInBuffer, nInBufSize, + ppOutBuffer, nOutFormat ) ); +} + +#endif + +// -------------------- +// - GraphicConverter - +// -------------------- + +GraphicConverter::GraphicConverter() : + mpConvertData( NULL ) +{ +#ifndef REMOTE_APPSERVER + SetFilterCallback( ImplFilterCallback, this ); +#endif +} + +// ------------------------------------------------------------------------ + +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; +} |