143 lines
4.1 KiB
C++
143 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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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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#include <tools/stream.hxx>
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#include <vcl/svgread.hxx>
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#include <vcl/gdimtf.hxx>
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#include <vcl/metaact.hxx>
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#include <vcl/rendergraphicrasterizer.hxx>
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// -----------
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// - Defines -
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// -----------
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namespace vcl
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{
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// -----------------
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// - SVGReaderImpl -
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// -----------------
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class SVGReaderImpl
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{
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public:
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SVGReaderImpl( SvStream& rStm );
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~SVGReaderImpl();
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GDIMetaFile& ImplRead( GDIMetaFile& rSVGMtf );
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vcl::RenderGraphic ImplGetRenderGraphic();
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private:
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SvStream& mrStm;
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};
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// ------------------------------------------------------------------------------
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SVGReaderImpl::SVGReaderImpl( SvStream& rStm ) :
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mrStm( rStm )
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{
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}
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// ------------------------------------------------------------------------
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SVGReaderImpl::~SVGReaderImpl()
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{
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}
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// ------------------------------------------------------------------------
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GDIMetaFile& SVGReaderImpl::ImplRead( GDIMetaFile& rSVGMtf )
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{
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vcl::RenderGraphic aSVGGraphic = ImplGetRenderGraphic();
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if( !mrStm.GetError() )
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{
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const vcl::RenderGraphicRasterizer aRasterizer( aSVGGraphic );
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const Size aDefaultSizePixel( aRasterizer.GetDefaultSizePixel() );
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if( aDefaultSizePixel.Width() && aDefaultSizePixel.Height() )
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{
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const Point aPos;
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const Size aPrefSize( aRasterizer.GetPrefSize() );
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rSVGMtf.SetPrefMapMode( aRasterizer.GetPrefMapMode() );
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rSVGMtf.SetPrefSize( aPrefSize );
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rSVGMtf.AddAction( new MetaRenderGraphicAction( aPos, aPrefSize, aSVGGraphic ) );
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rSVGMtf.WindStart();
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}
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}
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return( rSVGMtf );
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}
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vcl::RenderGraphic SVGReaderImpl::ImplGetRenderGraphic()
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{
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const sal_uInt32 nStmPos = mrStm.Tell();
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const sal_uInt32 nStmLen = mrStm.Seek( STREAM_SEEK_TO_END ) - nStmPos;
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vcl::RenderGraphic aSVGGraphic( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("image/svg+xml")), nStmLen );
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mrStm.Seek( nStmPos );
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mrStm.Read( aSVGGraphic.GetGraphicData().get(), nStmLen );
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return( aSVGGraphic );
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}
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// -------------
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// - SVGReader -
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// -------------
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SVGReader::SVGReader( SvStream& rIStm ) :
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mapImpl( new ::vcl::SVGReaderImpl( rIStm ) )
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{
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}
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// ------------------------------------------------------------------------
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SVGReader::~SVGReader()
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{
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}
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// ------------------------------------------------------------------------
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GDIMetaFile& SVGReader::Read( GDIMetaFile& rSVGMtf )
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{
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rSVGMtf = GDIMetaFile();
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return( mapImpl.get() ? mapImpl->ImplRead( rSVGMtf ) : rSVGMtf );
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}
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vcl::RenderGraphic SVGReader::GetRenderGraphic()
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{
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return( mapImpl->ImplGetRenderGraphic() );
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}
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} // namespace vcl
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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