3a9e5c09b8
Change-Id: I8effe9e6e82340613016807490d1e727c02d1f6a Reviewed-on: https://gerrit.libreoffice.org/76680 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
242 lines
9.3 KiB
C++
242 lines
9.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <com/sun/star/graphic/XEmfParser.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/lang/XInitialization.hpp>
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#include <cppuhelper/implbase2.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <comphelper/sequence.hxx>
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#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
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#include <basegfx/color/bcolor.hxx>
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#include <basegfx/polygon/b2dpolygon.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
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#include <vcl/outdev.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/wmfexternal.hxx>
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
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#include <wmfreader.hxx>
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#include <emfreader.hxx>
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//#include <com/sun/star/xml/sax/XParser.hpp>
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//#include <com/sun/star/xml/sax/Parser.hpp>
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//#include <com/sun/star/xml/sax/InputSource.hpp>
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//#include <drawinglayer/geometry/viewinformation2d.hxx>
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//#include <svgdocumenthandler.hxx>
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#include "xemfparser.hxx"
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using namespace ::com::sun::star;
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namespace emfio
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{
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namespace emfreader
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{
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class XEmfParser : public ::cppu::WeakAggImplHelper2< graphic::XEmfParser, lang::XServiceInfo >
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{
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private:
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uno::Reference< uno::XComponentContext > context_;
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protected:
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public:
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explicit XEmfParser(
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uno::Reference< uno::XComponentContext > const & context);
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XEmfParser(const XEmfParser&) = delete;
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XEmfParser& operator=(const XEmfParser&) = delete;
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// XEmfParser
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virtual uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > SAL_CALL getDecomposition(
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const uno::Reference< ::io::XInputStream >& xEmfStream,
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const OUString& aAbsolutePath,
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const uno::Sequence< ::beans::PropertyValue >& rProperties) override;
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName() override;
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virtual sal_Bool SAL_CALL supportsService(const OUString&) override;
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virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
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};
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} // end of namespace emfreader
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} // end of namespace emfio
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// uno functions
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namespace emfio
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{
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namespace emfreader
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{
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uno::Sequence< OUString > XEmfParser_getSupportedServiceNames()
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{
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return uno::Sequence< OUString > { "com.sun.star.graphic.EmfTools" };
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}
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OUString XEmfParser_getImplementationName()
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{
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return "emfio::emfreader::XEmfParser";
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}
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uno::Reference< uno::XInterface > XEmfParser_createInstance(const uno::Reference< uno::XComponentContext >& context)
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{
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return static_cast< ::cppu::OWeakObject* >(new XEmfParser(context));
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}
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} // end of namespace emfreader
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} // end of namespace emfio
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namespace emfio
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{
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namespace emfreader
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{
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XEmfParser::XEmfParser(
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uno::Reference< uno::XComponentContext > const & context):
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context_(context)
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{
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}
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uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > XEmfParser::getDecomposition(
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const uno::Reference< ::io::XInputStream >& xEmfStream,
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const OUString& /*aAbsolutePath*/,
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const uno::Sequence< ::beans::PropertyValue >& rProperties)
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{
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drawinglayer::primitive2d::Primitive2DContainer aRetval;
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if (xEmfStream.is())
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{
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WmfExternal aExternalHeader;
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const bool bExternalHeaderUsed(aExternalHeader.setSequence(rProperties));
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// rough check - import and conv to primitive
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GDIMetaFile aMtf;
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std::unique_ptr<SvStream> pStream(::utl::UcbStreamHelper::CreateStream(xEmfStream));
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sal_uInt32 nOrgPos = pStream->Tell();
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SvStreamEndian nOrigNumberFormat = pStream->GetEndian();
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pStream->SetEndian(SvStreamEndian::LITTLE);
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sal_uInt32 nMetaType(0);
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if (checkSeek(*pStream, 0x28))
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pStream->ReadUInt32(nMetaType);
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pStream->Seek(nOrgPos);
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bool bReadError(false);
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try
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{
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if (nMetaType == 0x464d4520)
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{
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// read and get possible failure/error, ReadEnhWMF returns success
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bReadError = !emfio::EmfReader(*pStream, aMtf).ReadEnhWMF();
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}
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else
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{
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emfio::WmfReader(*pStream, aMtf, bExternalHeaderUsed ? &aExternalHeader : nullptr).ReadWMF();
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// Need to check for ErrCode at stream to not lose former work.
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// This may contain important information and will behave the
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// same as before. When we have an error, do not create content
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ErrCode aErrCode(pStream->GetError());
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bReadError = aErrCode.IsError();
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}
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}
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catch (...)
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{
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bReadError = true;
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}
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pStream->SetEndian(nOrigNumberFormat);
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if (!bReadError)
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{
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Size aSize(aMtf.GetPrefSize());
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if (aMtf.GetPrefMapMode().GetMapUnit() == MapUnit::MapPixel)
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{
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aSize = Application::GetDefaultDevice()->PixelToLogic(aSize, MapMode(MapUnit::Map100thMM));
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}
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else
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{
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aSize = OutputDevice::LogicToLogic(aSize, aMtf.GetPrefMapMode(), MapMode(MapUnit::Map100thMM));
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}
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// use size
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const basegfx::B2DHomMatrix aMetafileTransform(
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basegfx::utils::createScaleB2DHomMatrix(
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aSize.Width(),
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aSize.Height()));
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// ...and create a single MetafilePrimitive2D containing the Metafile.
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// CAUTION: Currently, ReadWindowMetafile uses the local VectorGraphicData
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// and a MetafileAccessor hook at the MetafilePrimitive2D inside of
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// ImpGraphic::ImplGetGDIMetaFile to get the Metafile. Thus, the first
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// and only primitive in this case *has to be* a MetafilePrimitive2D.
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aRetval.push_back(
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new drawinglayer::primitive2d::MetafilePrimitive2D(
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aMetafileTransform,
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aMtf));
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// // force to use decomposition directly to get rid of the metafile
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// const css::uno::Sequence< css::beans::PropertyValue > aViewParameters;
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// drawinglayer::primitive2d::MetafilePrimitive2D aMetafilePrimitive2D(
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// aMetafileTransform,
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// aMtf);
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// aRetval.append(aMetafilePrimitive2D.getDecomposition(aViewParameters));
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// if (aRetval.empty())
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// {
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// // for test, just create some graphic data that will get visualized
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// const basegfx::B2DRange aRange(1000, 1000, 5000, 5000);
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// const basegfx::BColor aColor(1.0, 0.0, 0.0);
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// const basegfx::B2DPolygon aOutline(basegfx::utils::createPolygonFromRect(aRange));
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//
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// aRetval.push_back(new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aOutline), aColor));
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// }
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}
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}
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else
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{
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OSL_ENSURE(false, "Invalid stream (!)");
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}
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return comphelper::containerToSequence(aRetval);
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}
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OUString SAL_CALL XEmfParser::getImplementationName()
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{
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return XEmfParser_getImplementationName();
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}
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sal_Bool SAL_CALL XEmfParser::supportsService(const OUString& rServiceName)
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{
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return cppu::supportsService(this, rServiceName);
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}
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uno::Sequence< OUString > SAL_CALL XEmfParser::getSupportedServiceNames()
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{
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return XEmfParser_getSupportedServiceNames();
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}
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} // end of namespace emfreader
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} // end of namespace emfio
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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