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Diffstat (limited to 'vcl/source/gdi/rendergraphic.cxx')
| -rw-r--r-- | vcl/source/gdi/rendergraphic.cxx | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/vcl/source/gdi/rendergraphic.cxx b/vcl/source/gdi/rendergraphic.cxx new file mode 100644 index 000000000000..10b6064cc57c --- /dev/null +++ b/vcl/source/gdi/rendergraphic.cxx @@ -0,0 +1,240 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +#include <vcl/rendergraphic.hxx> +#include <vcl/rendergraphicrasterizer.hxx> +#include <vcl/mapmod.hxx> +#include <tools/stream.hxx> +#include <tools/vcompat.hxx> + +#include <cstring> +#include <cstdio> + +namespace vcl +{ + +// ----------------- +// - RenderGraphic - +// ----------------- +RenderGraphic::RenderGraphic( ) : + mnGraphicDataLength( 0 ) +{ +} + +// ------------------------------------------------------------------------- + +RenderGraphic::RenderGraphic( const RenderGraphic& rRenderGraphic ) : + maGraphicData( rRenderGraphic.maGraphicData ), + mnGraphicDataLength( rRenderGraphic.mnGraphicDataLength ), + maGraphicDataMimeType( rRenderGraphic.maGraphicDataMimeType ), + mapPrefMapMode( rRenderGraphic.mapPrefMapMode.get() ? new MapMode( *rRenderGraphic.mapPrefMapMode ) : NULL ), + mapPrefSize( rRenderGraphic.mapPrefSize.get() ? new Size( *rRenderGraphic.mapPrefSize ) : NULL ) +{ +} + +// ------------------------------------------------------------------------- + +RenderGraphic::RenderGraphic( const GraphicData& rGraphicData, + sal_uInt32 nGraphicDataLength, + const rtl::OUString& rGraphicDataMimeType ) : + maGraphicData( rGraphicData ), + mnGraphicDataLength( nGraphicDataLength ), + maGraphicDataMimeType( rGraphicDataMimeType ) +{ + ImplCheckData( ); +} + +// ------------------------------------------------------------------------- + +RenderGraphic::RenderGraphic( const rtl::OUString& rGraphicDataMimeType, + sal_uInt32 nGraphicDataLength, + const sal_uInt8* pGraphicData ) : + maGraphicData(), + mnGraphicDataLength( nGraphicDataLength ), + maGraphicDataMimeType( rGraphicDataMimeType ) +{ + if( rGraphicDataMimeType.getLength( ) && nGraphicDataLength ) + { + maGraphicData.reset( new sal_uInt8[ nGraphicDataLength ] ); + + if( pGraphicData ) + { + memcpy( maGraphicData.get(), pGraphicData, nGraphicDataLength ); + } + } + else + { + ImplCheckData( ); + } +} + +// ------------------------------------------------------------------------- + +RenderGraphic::~RenderGraphic( ) +{ +} + +// ------------------------------------------------------------------------- + +RenderGraphic& RenderGraphic::operator=(const RenderGraphic& rRenderGraphic ) +{ + maGraphicData = rRenderGraphic.maGraphicData; + mnGraphicDataLength = rRenderGraphic.mnGraphicDataLength; + maGraphicDataMimeType = rRenderGraphic.maGraphicDataMimeType; + mapPrefMapMode.reset( rRenderGraphic.mapPrefMapMode.get() ? new MapMode( *rRenderGraphic.mapPrefMapMode ) : NULL ); + mapPrefSize.reset( rRenderGraphic.mapPrefSize.get() ? new Size( *rRenderGraphic.mapPrefSize ) : NULL ); + + return( *this ); +} + +// ------------------------------------------------------------------------- + +bool RenderGraphic::operator==(const RenderGraphic& rRenderGraphic ) const +{ + return( ( rRenderGraphic.mnGraphicDataLength == mnGraphicDataLength ) && + ( rRenderGraphic.maGraphicData == maGraphicData ) && + ( rRenderGraphic.maGraphicDataMimeType.equalsIgnoreAsciiCase( maGraphicDataMimeType ) ) ); +} + +// ------------------------------------------------------------------------- + +bool RenderGraphic::operator!() const +{ + return( ( 0 == maGraphicDataMimeType.getLength( ) ) || + ( 0 == mnGraphicDataLength ) || + !maGraphicData.get( ) ); +} + +// ------------------------------------------------------------------------- + +bool RenderGraphic::IsEqual( const RenderGraphic& rRenderGraphic ) const +{ + bool bRet = ( rRenderGraphic.mnGraphicDataLength == mnGraphicDataLength ) && + ( rRenderGraphic.maGraphicDataMimeType.equalsIgnoreAsciiCase( maGraphicDataMimeType ) ); + + if( bRet && mnGraphicDataLength && ( rRenderGraphic.maGraphicData != maGraphicData ) ) + { + bRet = ( 0 == memcmp( rRenderGraphic.maGraphicData.get( ), + maGraphicData.get( ), + mnGraphicDataLength ) ); + } + + return( bRet ); +} + +// ------------------------------------------------------------------------- + +const MapMode& RenderGraphic::GetPrefMapMode() const +{ + ImplGetDefaults(); + return( *mapPrefMapMode ); +} + +// ------------------------------------------------------------------------- + +const Size& RenderGraphic::GetPrefSize() const +{ + ImplGetDefaults(); + return( *mapPrefSize ); +} + +// ------------------------------------------------------------------------- + +BitmapEx RenderGraphic::GetReplacement() const +{ + const RenderGraphicRasterizer aRasterizer( *this ); + + return( aRasterizer.GetReplacement() ); +} + +// ------------------------------------------------------------------------- + +void RenderGraphic::ImplCheckData( ) +{ + if( !( *this ) ) + { + maGraphicData.reset( ); + mnGraphicDataLength = 0; + maGraphicDataMimeType = ::rtl::OUString(); + mapPrefMapMode.reset(); + mapPrefSize.reset(); + } +} + +// ------------------------------------------------------------------------- + +void RenderGraphic::ImplGetDefaults() const +{ + if( !mapPrefMapMode.get() || !mapPrefSize.get() ) + { + const RenderGraphicRasterizer aRasterizer( *this ); + + mapPrefMapMode.reset( new MapMode( aRasterizer.GetPrefMapMode() ) ); + mapPrefSize.reset( new Size( aRasterizer.GetPrefSize() ) ); + } +} + +// ------------------------------------------------------------------------- + +::SvStream& operator>>( ::SvStream& rIStm, RenderGraphic& rRenderGraphic ) +{ + ::VersionCompat aVCompat( rIStm, STREAM_READ ); + String aGraphicDataMimeType; + sal_uInt32 nGraphicDataLength = 0; + + rIStm.ReadByteString( aGraphicDataMimeType, RTL_TEXTENCODING_ASCII_US ); + rIStm >> nGraphicDataLength; + + rRenderGraphic = RenderGraphic( aGraphicDataMimeType, nGraphicDataLength ); + + if( !rRenderGraphic.IsEmpty() ) + { + rIStm.Read( rRenderGraphic.GetGraphicData().get(), nGraphicDataLength ); + } + + return rIStm; +} + +// ------------------------------------------------------------------ + +::SvStream& operator<<( ::SvStream& rOStm, const RenderGraphic& rRenderGraphic ) +{ + ::VersionCompat aVCompat( rOStm, STREAM_WRITE, 1 ); + const sal_uInt32 nGraphicDataLength = rRenderGraphic.GetGraphicDataLength(); + + rOStm.WriteByteString( rRenderGraphic.GetGraphicDataMimeType(), RTL_TEXTENCODING_ASCII_US ); + rOStm << nGraphicDataLength; + + if( nGraphicDataLength ) + { + rOStm.Write( rRenderGraphic.GetGraphicData().get(), nGraphicDataLength ); + } + + return rOStm; +} + +} // VCL |