1368 lines
52 KiB
C++
1368 lines
52 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 <sal/log.hxx>
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#include <string_view>
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#include <pdfiprocessor.hxx>
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#include <xmlemitter.hxx>
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#include <pdfihelper.hxx>
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#include <imagecontainer.hxx>
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#include "style.hxx"
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#include "writertreevisiting.hxx"
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#include <genericelements.hxx>
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#include <basegfx/polygon/b2dpolypolygontools.hxx>
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#include <osl/diagnose.h>
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#include <com/sun/star/i18n/CharacterClassification.hpp>
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#include <com/sun/star/i18n/DirectionProperty.hpp>
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#include <comphelper/string.hxx>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::i18n;
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using namespace ::com::sun::star::uno;
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namespace pdfi
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{
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const Reference<XBreakIterator>& WriterXmlOptimizer::GetBreakIterator()
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{
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if (!mxBreakIter.is())
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{
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mxBreakIter = BreakIterator::create(m_rProcessor.m_xContext);
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}
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return mxBreakIter;
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}
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const Reference< XCharacterClassification >& WriterXmlEmitter::GetCharacterClassification()
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{
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if ( !mxCharClass.is() )
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{
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Reference< XComponentContext > xContext( m_rEmitContext.m_xContext, uno::UNO_SET_THROW );
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mxCharClass = CharacterClassification::create(xContext);
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}
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return mxCharClass;
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}
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void WriterXmlEmitter::visit( HyperlinkElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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if( elem.Children.empty() )
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return;
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const char* pType = dynamic_cast<DrawElement*>(elem.Children.front().get()) ? "draw:a" : "text:a";
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PropertyMap aProps;
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aProps[ u"xlink:type"_ustr ] = "simple";
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aProps[ u"xlink:href"_ustr ] = elem.URI;
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aProps[ u"office:target-frame-name"_ustr ] = "_blank";
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aProps[ u"xlink:show"_ustr ] = "new";
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m_rEmitContext.rEmitter.beginTag( pType, aProps );
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auto this_it = elem.Children.begin();
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while( this_it != elem.Children.end() && this_it->get() != &elem )
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{
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(*this_it)->visitedBy( *this, this_it );
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++this_it;
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}
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m_rEmitContext.rEmitter.endTag( pType );
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}
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void WriterXmlEmitter::visit( TextElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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if( elem.Text.isEmpty() )
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return;
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PropertyMap aProps = {};
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const sal_Unicode strSpace = 0x0020;
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const sal_Unicode strNbSpace = 0x00A0;
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const sal_Unicode tabSpace = 0x0009;
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if( elem.StyleId != -1 )
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{
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aProps[ u"text:style-name"_ustr ] =
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m_rEmitContext.rStyles.getStyleName( elem.StyleId );
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}
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OUString str(elem.Text.toString());
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// Check for RTL
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bool isRTL = false;
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Reference< i18n::XCharacterClassification > xCC( GetCharacterClassification() );
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if( xCC.is() )
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{
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for(int i=1; i< elem.Text.getLength(); i++)
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{
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i18n::DirectionProperty nType = static_cast<i18n::DirectionProperty>(xCC->getCharacterDirection( str, i ));
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if ( nType == i18n::DirectionProperty_RIGHT_TO_LEFT ||
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nType == i18n::DirectionProperty_RIGHT_TO_LEFT_ARABIC ||
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nType == i18n::DirectionProperty_RIGHT_TO_LEFT_EMBEDDING ||
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nType == i18n::DirectionProperty_RIGHT_TO_LEFT_OVERRIDE
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)
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isRTL = true;
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}
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}
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if (isRTL) // If so, reverse string
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{
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// First, produce mirrored-image for each code point which has the Bidi_Mirrored property.
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str = PDFIProcessor::SubstituteBidiMirrored(str);
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// Then, reverse the code points in the string, in backward order.
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str = ::comphelper::string::reverseCodePoints(str);
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}
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m_rEmitContext.rEmitter.beginTag( "text:span", aProps );
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sal_Unicode strToken;
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for (int i = 0; i < elem.Text.getLength(); i++)
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{
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strToken = str[i];
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if (strToken == strSpace || strToken == strNbSpace)
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{
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aProps[u"text:c"_ustr] = "1";
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m_rEmitContext.rEmitter.beginTag("text:s", aProps);
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m_rEmitContext.rEmitter.endTag("text:s");
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}
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else if (strToken == tabSpace)
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{
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m_rEmitContext.rEmitter.beginTag("text:tab", aProps);
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m_rEmitContext.rEmitter.endTag("text:tab");
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}
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else
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m_rEmitContext.rEmitter.write(OUString(strToken));
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}
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auto this_it = elem.Children.begin();
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while( this_it != elem.Children.end() && this_it->get() != &elem )
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{
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(*this_it)->visitedBy( *this, this_it );
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++this_it;
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}
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m_rEmitContext.rEmitter.endTag( "text:span" );
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}
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void WriterXmlEmitter::visit( ParagraphElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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PropertyMap aProps;
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if( elem.StyleId != -1 )
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{
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aProps[ u"text:style-name"_ustr ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId );
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}
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const char* pTagType = "text:p";
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if( elem.Type == ParagraphElement::Headline )
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pTagType = "text:h";
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m_rEmitContext.rEmitter.beginTag( pTagType, aProps );
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auto this_it = elem.Children.begin();
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while( this_it != elem.Children.end() && this_it->get() != &elem )
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{
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(*this_it)->visitedBy( *this, this_it );
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++this_it;
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}
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m_rEmitContext.rEmitter.endTag( pTagType );
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}
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void WriterXmlEmitter::fillFrameProps( DrawElement& rElem,
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PropertyMap& rProps,
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const EmitContext& rEmitContext )
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{
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double rel_x = rElem.x, rel_y = rElem.y;
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// find anchor type by recursing though parents
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Element* pAnchor = &rElem;
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ParagraphElement* pParaElt = nullptr;
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PageElement* pPage = nullptr;
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while ((pAnchor = pAnchor->Parent))
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{
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if ((pParaElt = dynamic_cast<ParagraphElement*>(pAnchor)))
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break;
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if ((pPage = dynamic_cast<PageElement*>(pAnchor)))
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break;
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}
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if( pAnchor )
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{
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if (pParaElt)
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{
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rProps[ u"text:anchor-type"_ustr ] = rElem.isCharacter
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? std::u16string_view(u"character") : std::u16string_view(u"paragraph");
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}
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else
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{
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assert(pPage); // guaranteed by the while loop above
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rProps[ u"text:anchor-type"_ustr ] = "page";
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rProps[ u"text:anchor-page-number"_ustr ] = OUString::number(pPage->PageNumber);
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}
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rel_x -= pAnchor->x;
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rel_y -= pAnchor->y;
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}
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rProps[ u"draw:z-index"_ustr ] = OUString::number( rElem.ZOrder );
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rProps[ u"draw:style-name"_ustr] = rEmitContext.rStyles.getStyleName( rElem.StyleId );
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rProps[ u"svg:width"_ustr ] = convertPixelToUnitString( rElem.w );
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rProps[ u"svg:height"_ustr ] = convertPixelToUnitString( rElem.h );
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const GraphicsContext& rGC =
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rEmitContext.rProcessor.getGraphicsContext( rElem.GCId );
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if( rGC.Transformation.isIdentity() )
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{
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if( !rElem.isCharacter )
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{
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rProps[ u"svg:x"_ustr ] = convertPixelToUnitString( rel_x );
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rProps[ u"svg:y"_ustr ] = convertPixelToUnitString( rel_y );
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}
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}
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else
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{
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basegfx::B2DTuple aScale, aTranslation;
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double fRotate, fShearX;
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rGC.Transformation.decompose( aScale, aTranslation, fRotate, fShearX );
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OUStringBuffer aBuf( 256 );
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// TODO(F2): general transformation case missing; if implemented, note
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// that ODF rotation is oriented the other way
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// build transformation string
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if (rElem.MirrorVertical)
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{
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// At some point, rElem.h may start arriving positive,
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// so use robust adjusting math
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rel_y -= std::abs(rElem.h);
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if (!aBuf.isEmpty())
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aBuf.append(' ');
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aBuf.append("scale( 1.0 -1.0 )");
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}
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if( fShearX != 0.0 )
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{
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aBuf.append( "skewX( " + OUString::number(fShearX) + " )" );
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}
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if( fRotate != 0.0 )
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{
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if( !aBuf.isEmpty() )
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aBuf.append( ' ' );
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aBuf.append( "rotate( " + OUString::number(-fRotate) + " )" );
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}
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if( ! rElem.isCharacter )
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{
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if( !aBuf.isEmpty() )
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aBuf.append( ' ' );
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aBuf.append( "translate( "
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+ convertPixelToUnitString( rel_x )
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+ " "
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+ convertPixelToUnitString( rel_y )
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+ " )" );
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}
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rProps[ u"draw:transform"_ustr ] = aBuf.makeStringAndClear();
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}
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}
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void WriterXmlEmitter::visit( FrameElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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if( elem.Children.empty() )
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return;
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bool bTextBox = (dynamic_cast<ParagraphElement*>(elem.Children.front().get()) != nullptr);
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PropertyMap aFrameProps;
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fillFrameProps( elem, aFrameProps, m_rEmitContext );
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m_rEmitContext.rEmitter.beginTag( "draw:frame", aFrameProps );
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if( bTextBox )
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m_rEmitContext.rEmitter.beginTag( "draw:text-box", PropertyMap() );
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auto this_it = elem.Children.begin();
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while( this_it != elem.Children.end() && this_it->get() != &elem )
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{
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(*this_it)->visitedBy( *this, this_it );
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++this_it;
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}
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if( bTextBox )
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m_rEmitContext.rEmitter.endTag( "draw:text-box" );
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m_rEmitContext.rEmitter.endTag( "draw:frame" );
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}
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void WriterXmlEmitter::visit( PolyPolyElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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elem.updateGeometry();
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/* note:
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* aw recommends using 100dth of mm in all respects since the xml import
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* (a) is buggy (see issue 37213)
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* (b) is optimized for 100dth of mm and does not scale itself then,
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* this does not gain us speed but makes for smaller rounding errors since
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* the xml importer coordinates are integer based
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*/
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for (sal_uInt32 i = 0; i< elem.PolyPoly.count(); i++)
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{
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basegfx::B2DPolygon b2dPolygon = elem.PolyPoly.getB2DPolygon( i );
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for ( sal_uInt32 j = 0; j< b2dPolygon.count(); j++ )
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{
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basegfx::B2DPoint point;
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basegfx::B2DPoint nextPoint;
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point = b2dPolygon.getB2DPoint( j );
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basegfx::B2DPoint prevPoint = b2dPolygon.getPrevControlPoint( j ) ;
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point.setX( convPx2mmPrec2( point.getX() )*100.0 );
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point.setY( convPx2mmPrec2( point.getY() )*100.0 );
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if ( b2dPolygon.isPrevControlPointUsed( j ) )
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{
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prevPoint.setX( convPx2mmPrec2( prevPoint.getX() )*100.0 );
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prevPoint.setY( convPx2mmPrec2( prevPoint.getY() )*100.0 );
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}
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if ( b2dPolygon.isNextControlPointUsed( j ) )
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{
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nextPoint = b2dPolygon.getNextControlPoint( j ) ;
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nextPoint.setX( convPx2mmPrec2( nextPoint.getX() )*100.0 );
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nextPoint.setY( convPx2mmPrec2( nextPoint.getY() )*100.0 );
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}
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b2dPolygon.setB2DPoint( j, point );
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if ( b2dPolygon.isPrevControlPointUsed( j ) )
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b2dPolygon.setPrevControlPoint( j , prevPoint ) ;
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if ( b2dPolygon.isNextControlPointUsed( j ) )
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b2dPolygon.setNextControlPoint( j , nextPoint ) ;
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}
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elem.PolyPoly.setB2DPolygon( i, b2dPolygon );
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}
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PropertyMap aProps;
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fillFrameProps( elem, aProps, m_rEmitContext );
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aProps[ u"svg:viewBox"_ustr ] =
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"0 0 "
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+ OUString::number(convPx2mmPrec2(elem.w)*100.0)
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+ " "
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+ OUString::number( convPx2mmPrec2(elem.h)*100.0 );
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aProps[ u"svg:d"_ustr ] = basegfx::utils::exportToSvgD( elem.PolyPoly, true, true, false );
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m_rEmitContext.rEmitter.beginTag( "draw:path", aProps );
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m_rEmitContext.rEmitter.endTag( "draw:path" );
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}
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void WriterXmlEmitter::visit( ImageElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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PropertyMap aImageProps;
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m_rEmitContext.rEmitter.beginTag( "draw:image", aImageProps );
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m_rEmitContext.rEmitter.beginTag( "office:binary-data", PropertyMap() );
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m_rEmitContext.rImages.writeBase64EncodedStream( elem.Image, m_rEmitContext);
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m_rEmitContext.rEmitter.endTag( "office:binary-data" );
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m_rEmitContext.rEmitter.endTag( "draw:image" );
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}
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void WriterXmlEmitter::visit( PageElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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if( m_rEmitContext.xStatusIndicator.is() )
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m_rEmitContext.xStatusIndicator->setValue( elem.PageNumber );
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auto this_it = elem.Children.begin();
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while( this_it != elem.Children.end() && this_it->get() != &elem )
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{
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(*this_it)->visitedBy( *this, this_it );
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++this_it;
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}
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}
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void WriterXmlEmitter::visit( DocumentElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator&)
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{
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m_rEmitContext.rEmitter.beginTag( "office:body", PropertyMap() );
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m_rEmitContext.rEmitter.beginTag( "office:text", PropertyMap() );
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for( const auto& rxChild : elem.Children )
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{
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PageElement* pPage = dynamic_cast<PageElement*>(rxChild.get());
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if( pPage )
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{
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// emit only page anchored objects
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// currently these are only DrawElement types
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for( auto child_it = pPage->Children.begin(); child_it != pPage->Children.end(); ++child_it )
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{
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if( dynamic_cast<DrawElement*>(child_it->get()) != nullptr )
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(*child_it)->visitedBy( *this, child_it );
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}
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}
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}
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// do not emit page anchored objects, they are emitted before
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// (must precede all pages in writer document) currently these are
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// only DrawElement types
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for( auto it = elem.Children.begin(); it != elem.Children.end(); ++it )
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{
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if( dynamic_cast<DrawElement*>(it->get()) == nullptr )
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(*it)->visitedBy( *this, it );
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}
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m_rEmitContext.rEmitter.endTag( "office:text" );
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m_rEmitContext.rEmitter.endTag( "office:body" );
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}
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void WriterXmlOptimizer::visit( HyperlinkElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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}
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void WriterXmlOptimizer::visit( TextElement&, const std::list< std::unique_ptr<Element> >::const_iterator&)
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{
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}
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void WriterXmlOptimizer::visit( FrameElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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elem.applyToChildren(*this);
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}
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void WriterXmlOptimizer::visit( ImageElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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}
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void WriterXmlOptimizer::visit( PolyPolyElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& elemIt )
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{
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/* note: optimize two consecutive PolyPolyElements that
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* have the same path but one of which is a stroke while
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* the other is a fill
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*/
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if( !elem.Parent )
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return;
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// find following PolyPolyElement in parent's children list
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if( elemIt == elem.Parent->Children.end() )
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return;
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auto next_it = elemIt;
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++next_it;
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if( next_it == elem.Parent->Children.end() )
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return;
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PolyPolyElement* pNext = dynamic_cast<PolyPolyElement*>(next_it->get());
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if( !pNext || pNext->PolyPoly != elem.PolyPoly )
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return;
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const GraphicsContext& rNextGC =
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m_rProcessor.getGraphicsContext( pNext->GCId );
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const GraphicsContext& rThisGC =
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m_rProcessor.getGraphicsContext( elem.GCId );
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if( !(rThisGC.BlendMode == rNextGC.BlendMode &&
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rThisGC.Flatness == rNextGC.Flatness &&
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rThisGC.Transformation == rNextGC.Transformation &&
|
|
rThisGC.Clip == rNextGC.Clip &&
|
|
pNext->Action == PATH_STROKE &&
|
|
(elem.Action == PATH_FILL || elem.Action == PATH_EOFILL)) )
|
|
return;
|
|
|
|
GraphicsContext aGC = rThisGC;
|
|
aGC.LineJoin = rNextGC.LineJoin;
|
|
aGC.LineCap = rNextGC.LineCap;
|
|
aGC.LineWidth = rNextGC.LineWidth;
|
|
aGC.MiterLimit= rNextGC.MiterLimit;
|
|
aGC.DashArray = rNextGC.DashArray;
|
|
aGC.LineColor = rNextGC.LineColor;
|
|
elem.GCId = m_rProcessor.getGCId( aGC );
|
|
|
|
elem.Action |= pNext->Action;
|
|
|
|
elem.Children.splice( elem.Children.end(), pNext->Children );
|
|
elem.Parent->Children.erase(next_it);
|
|
}
|
|
|
|
void WriterXmlOptimizer::visit( ParagraphElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& rParentIt)
|
|
{
|
|
optimizeTextElements( elem );
|
|
|
|
elem.applyToChildren(*this);
|
|
|
|
if( !(elem.Parent && rParentIt != elem.Parent->Children.end()) )
|
|
return;
|
|
|
|
// find if there is a previous paragraph that might be a heading for this one
|
|
auto prev = rParentIt;
|
|
ParagraphElement* pPrevPara = nullptr;
|
|
while( prev != elem.Parent->Children.begin() )
|
|
{
|
|
--prev;
|
|
pPrevPara = dynamic_cast< ParagraphElement* >(prev->get());
|
|
if( pPrevPara )
|
|
{
|
|
/* What constitutes a heading ? current hints are:
|
|
* - one line only
|
|
* - not too far away from this paragraph (two heading height max ?)
|
|
* - font larger or bold
|
|
* this is of course incomplete
|
|
* FIXME: improve hints for heading
|
|
*/
|
|
// check for single line
|
|
if( pPrevPara->isSingleLined( m_rProcessor ) )
|
|
{
|
|
double head_line_height = pPrevPara->getLineHeight( m_rProcessor );
|
|
if( pPrevPara->y + pPrevPara->h + 2*head_line_height > elem.y )
|
|
{
|
|
// check for larger font
|
|
if( head_line_height > elem.getLineHeight( m_rProcessor ) )
|
|
{
|
|
pPrevPara->Type = ParagraphElement::Headline;
|
|
}
|
|
else
|
|
{
|
|
// check whether text of pPrevPara is bold (at least first text element)
|
|
// and this para is not bold (ditto)
|
|
TextElement* pPrevText = pPrevPara->getFirstTextChild();
|
|
TextElement* pThisText = elem.getFirstTextChild();
|
|
if( pPrevText && pThisText )
|
|
{
|
|
const FontAttributes& rPrevFont = m_rProcessor.getFont( pPrevText->FontId );
|
|
const FontAttributes& rThisFont = m_rProcessor.getFont( pThisText->FontId );
|
|
if ( (rPrevFont.fontWeight == u"600" ||
|
|
rPrevFont.fontWeight == u"bold" ||
|
|
rPrevFont.fontWeight == u"800" ||
|
|
rPrevFont.fontWeight == u"900" ) &&
|
|
(rThisFont.fontWeight == u"600" ||
|
|
rThisFont.fontWeight == u"bold" ||
|
|
rThisFont.fontWeight == u"800" ||
|
|
rThisFont.fontWeight == u"900" ) )
|
|
{
|
|
pPrevPara->Type = ParagraphElement::Headline;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void WriterXmlOptimizer::visit( PageElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
if( m_rProcessor.getStatusIndicator().is() )
|
|
m_rProcessor.getStatusIndicator()->setValue( elem.PageNumber );
|
|
|
|
// resolve hyperlinks
|
|
elem.resolveHyperlinks();
|
|
|
|
elem.resolveFontStyles( m_rProcessor ); // underlines and such
|
|
|
|
// FIXME: until hyperlinks and font effects are adjusted for
|
|
// geometrical search handle them before sorting
|
|
PDFIProcessor::sortElements( &elem );
|
|
|
|
// find paragraphs in text
|
|
ParagraphElement* pCurPara = nullptr;
|
|
std::list< std::unique_ptr<Element> >::iterator page_element, next_page_element;
|
|
next_page_element = elem.Children.begin();
|
|
double fCurLineHeight = 0.0; // average height of text items in current para
|
|
int nCurLineElements = 0; // number of line contributing elements in current para
|
|
double line_left = elem.w, line_right = 0.0;
|
|
double column_width = elem.w*0.75; // estimate text width
|
|
// TODO: guess columns
|
|
while( next_page_element != elem.Children.end() )
|
|
{
|
|
page_element = next_page_element++;
|
|
ParagraphElement* pPagePara = dynamic_cast<ParagraphElement*>(page_element->get());
|
|
if( pPagePara )
|
|
{
|
|
pCurPara = pPagePara;
|
|
// adjust line height and text items
|
|
fCurLineHeight = 0.0;
|
|
nCurLineElements = 0;
|
|
for( const auto& rxChild : pCurPara->Children )
|
|
{
|
|
TextElement* pTestText = rxChild->dynCastAsTextElement();
|
|
if( pTestText )
|
|
{
|
|
fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pTestText->h)/double(nCurLineElements+1);
|
|
nCurLineElements++;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
HyperlinkElement* pLink = dynamic_cast<HyperlinkElement*>(page_element->get());
|
|
DrawElement* pDraw = dynamic_cast<DrawElement*>(page_element->get());
|
|
if( ! pDraw && pLink && ! pLink->Children.empty() )
|
|
pDraw = dynamic_cast<DrawElement*>(pLink->Children.front().get() );
|
|
if( pDraw )
|
|
{
|
|
// insert small drawing objects as character, else leave them page bound
|
|
|
|
bool bInsertToParagraph = false;
|
|
// first check if this is either inside the paragraph
|
|
if( pCurPara && pDraw->y < pCurPara->y + pCurPara->h )
|
|
{
|
|
if( pDraw->h < fCurLineHeight * 1.5 )
|
|
{
|
|
bInsertToParagraph = true;
|
|
fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pDraw->h)/double(nCurLineElements+1);
|
|
nCurLineElements++;
|
|
// mark draw element as character
|
|
pDraw->isCharacter = true;
|
|
}
|
|
}
|
|
// or perhaps the draw element begins a new paragraph
|
|
else if( next_page_element != elem.Children.end() )
|
|
{
|
|
TextElement* pText = (*next_page_element)->dynCastAsTextElement();
|
|
if( ! pText )
|
|
{
|
|
ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(next_page_element->get());
|
|
if( pPara && ! pPara->Children.empty() )
|
|
pText = pPara->Children.front()->dynCastAsTextElement();
|
|
}
|
|
if( pText && // check there is a text
|
|
pDraw->h < pText->h*1.5 && // and it is approx the same height
|
|
// and either upper or lower edge of pDraw is inside text's vertical range
|
|
( ( pDraw->y >= pText->y && pDraw->y <= pText->y+pText->h ) ||
|
|
( pDraw->y+pDraw->h >= pText->y && pDraw->y+pDraw->h <= pText->y+pText->h )
|
|
)
|
|
)
|
|
{
|
|
bInsertToParagraph = true;
|
|
fCurLineHeight = pDraw->h;
|
|
nCurLineElements = 1;
|
|
line_left = pDraw->x;
|
|
line_right = pDraw->x + pDraw->w;
|
|
// begin a new paragraph
|
|
pCurPara = nullptr;
|
|
// mark draw element as character
|
|
pDraw->isCharacter = true;
|
|
}
|
|
}
|
|
|
|
if( ! bInsertToParagraph )
|
|
{
|
|
pCurPara = nullptr;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
TextElement* pText = (*page_element)->dynCastAsTextElement();
|
|
if( ! pText && pLink && ! pLink->Children.empty() )
|
|
pText = pLink->Children.front()->dynCastAsTextElement();
|
|
if( pText )
|
|
{
|
|
Element* pGeo = pLink ? static_cast<Element*>(pLink) :
|
|
static_cast<Element*>(pText);
|
|
if( pCurPara )
|
|
{
|
|
// there was already a text element, check for a new paragraph
|
|
if( nCurLineElements > 0 )
|
|
{
|
|
// if the new text is significantly distant from the paragraph
|
|
// begin a new paragraph
|
|
if( pGeo->y > pCurPara->y+pCurPara->h + fCurLineHeight*0.5 )
|
|
pCurPara = nullptr; // insert new paragraph
|
|
else if( pGeo->y > (pCurPara->y+pCurPara->h - fCurLineHeight*0.05) )
|
|
{
|
|
// new paragraph if either the last line of the paragraph
|
|
// was significantly shorter than the paragraph as a whole
|
|
if( (line_right - line_left) < pCurPara->w*0.75 )
|
|
pCurPara = nullptr;
|
|
// or the last line was significantly smaller than the column width
|
|
else if( (line_right - line_left) < column_width*0.75 )
|
|
pCurPara = nullptr;
|
|
}
|
|
}
|
|
}
|
|
// update line height/width
|
|
if( pCurPara )
|
|
{
|
|
fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pGeo->h)/double(nCurLineElements+1);
|
|
nCurLineElements++;
|
|
if( pGeo->x < line_left )
|
|
line_left = pGeo->x;
|
|
if( pGeo->x+pGeo->w > line_right )
|
|
line_right = pGeo->x+pGeo->w;
|
|
}
|
|
else
|
|
{
|
|
fCurLineHeight = pGeo->h;
|
|
nCurLineElements = 1;
|
|
line_left = pGeo->x;
|
|
line_right = pGeo->x + pGeo->w;
|
|
}
|
|
}
|
|
|
|
// move element to current paragraph
|
|
if( ! pCurPara ) // new paragraph, insert one
|
|
{
|
|
pCurPara = ElementFactory::createParagraphElement( nullptr );
|
|
assert(pCurPara);
|
|
// set parent
|
|
pCurPara->Parent = &elem;
|
|
//insert new paragraph before current element
|
|
page_element = elem.Children.insert( page_element, std::unique_ptr<Element>(pCurPara) );
|
|
// forward iterator to current element again
|
|
++ page_element;
|
|
// update next_element which is now invalid
|
|
next_page_element = page_element;
|
|
++ next_page_element;
|
|
}
|
|
Element* pCurEle = page_element->get();
|
|
Element::setParent( page_element, pCurPara );
|
|
OSL_ENSURE( !pText || pCurEle == pText || pCurEle == pLink, "paragraph child list in disorder" );
|
|
if( pText || pDraw )
|
|
pCurPara->updateGeometryWith( pCurEle );
|
|
}
|
|
|
|
// process children
|
|
elem.applyToChildren(*this);
|
|
|
|
// find possible header and footer
|
|
checkHeaderAndFooter( elem );
|
|
}
|
|
|
|
void WriterXmlOptimizer::checkHeaderAndFooter( PageElement& rElem )
|
|
{
|
|
/* indicators for a header:
|
|
* - single line paragraph at top of page (inside 15% page height)
|
|
* - at least lineheight above the next paragraph
|
|
*
|
|
* indicators for a footer likewise:
|
|
* - single line paragraph at bottom of page (inside 15% page height)
|
|
* - at least lineheight below the previous paragraph
|
|
*/
|
|
|
|
auto isParagraphElement = [](std::unique_ptr<Element>& rxChild) -> bool {
|
|
return dynamic_cast<ParagraphElement*>(rxChild.get()) != nullptr;
|
|
};
|
|
|
|
// detect header
|
|
// Note: the following assumes that the pages' children have been
|
|
// sorted geometrically
|
|
auto it = std::find_if(rElem.Children.begin(), rElem.Children.end(), isParagraphElement);
|
|
if (it != rElem.Children.end())
|
|
{
|
|
ParagraphElement& rPara = dynamic_cast<ParagraphElement&>(**it);
|
|
if( rPara.y+rPara.h < rElem.h*0.15 && rPara.isSingleLined( m_rProcessor ) )
|
|
{
|
|
auto next_it = it;
|
|
ParagraphElement* pNextPara = nullptr;
|
|
while( ++next_it != rElem.Children.end() && pNextPara == nullptr )
|
|
{
|
|
pNextPara = dynamic_cast<ParagraphElement*>(next_it->get());
|
|
}
|
|
if( pNextPara && pNextPara->y > rPara.y+rPara.h*2 )
|
|
{
|
|
rElem.HeaderElement = std::move(*it);
|
|
rPara.Parent = nullptr;
|
|
rElem.Children.erase( it );
|
|
}
|
|
}
|
|
}
|
|
|
|
// detect footer
|
|
auto rit = std::find_if(rElem.Children.rbegin(), rElem.Children.rend(), isParagraphElement);
|
|
if (rit == rElem.Children.rend())
|
|
return;
|
|
|
|
ParagraphElement& rPara = dynamic_cast<ParagraphElement&>(**rit);
|
|
if( !(rPara.y > rElem.h*0.85 && rPara.isSingleLined( m_rProcessor )) )
|
|
return;
|
|
|
|
std::list< std::unique_ptr<Element> >::reverse_iterator next_it = rit;
|
|
ParagraphElement* pNextPara = nullptr;
|
|
while( ++next_it != rElem.Children.rend() && pNextPara == nullptr )
|
|
{
|
|
pNextPara = dynamic_cast<ParagraphElement*>(next_it->get());
|
|
}
|
|
if( pNextPara && pNextPara->y < rPara.y-rPara.h*2 )
|
|
{
|
|
rElem.FooterElement = std::move(*rit);
|
|
rPara.Parent = nullptr;
|
|
rElem.Children.erase( std::next(rit).base() );
|
|
}
|
|
}
|
|
|
|
void WriterXmlOptimizer::optimizeTextElements(Element& rParent)
|
|
{
|
|
if( rParent.Children.empty() ) // this should not happen
|
|
{
|
|
OSL_FAIL( "empty paragraph optimized" );
|
|
return;
|
|
}
|
|
|
|
// concatenate child elements with same font id
|
|
auto next = rParent.Children.begin();
|
|
auto it = next++;
|
|
FrameElement* pFrame = dynamic_cast<FrameElement*>(rParent.Parent);
|
|
bool bRotatedFrame = false;
|
|
if( pFrame )
|
|
{
|
|
const GraphicsContext& rFrameGC = m_rProcessor.getGraphicsContext( pFrame->GCId );
|
|
if( rFrameGC.isRotatedOrSkewed() )
|
|
bRotatedFrame = true;
|
|
}
|
|
while( next != rParent.Children.end() )
|
|
{
|
|
bool bConcat = false;
|
|
TextElement* pCur = (*it)->dynCastAsTextElement();
|
|
if( pCur )
|
|
{
|
|
TextElement* pNext = dynamic_cast<TextElement*>(next->get());
|
|
OUString str;
|
|
bool bPara = strspn("ParagraphElement", typeid(rParent).name());
|
|
ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(&rParent);
|
|
if (bPara && pPara && isComplex(GetBreakIterator(), pCur))
|
|
pPara->bRtl = true;
|
|
if( pNext )
|
|
{
|
|
const GraphicsContext& rCurGC = m_rProcessor.getGraphicsContext( pCur->GCId );
|
|
const GraphicsContext& rNextGC = m_rProcessor.getGraphicsContext( pNext->GCId );
|
|
|
|
// line and space optimization; works only in strictly horizontal mode
|
|
|
|
if( !bRotatedFrame
|
|
&& ! rCurGC.isRotatedOrSkewed()
|
|
&& ! rNextGC.isRotatedOrSkewed()
|
|
&& ! pNext->Text.isEmpty()
|
|
&& pNext->Text[0] != ' '
|
|
&& ! pCur->Text.isEmpty()
|
|
&& pCur->Text[pCur->Text.getLength() - 1] != ' '
|
|
)
|
|
{
|
|
// check for new line in paragraph
|
|
if( pNext->y > pCur->y+pCur->h )
|
|
{
|
|
// new line begins
|
|
// check whether a space would should be inserted or a hyphen removed
|
|
sal_Unicode aLastCode = pCur->Text[pCur->Text.getLength() - 1];
|
|
if( aLastCode == '-'
|
|
|| aLastCode == 0x2010
|
|
|| (aLastCode >= 0x2012 && aLastCode <= 0x2015)
|
|
|| aLastCode == 0xff0d
|
|
)
|
|
{
|
|
// cut a hyphen
|
|
pCur->Text.setLength( pCur->Text.getLength()-1 );
|
|
}
|
|
// append a space unless there is a non breaking hyphen
|
|
else if( aLastCode != 0x2011 )
|
|
{
|
|
pCur->Text.append( ' ' );
|
|
}
|
|
}
|
|
else // we're continuing the same line
|
|
{
|
|
// check whether a space would should be inserted
|
|
// check for a small horizontal offset
|
|
if( pCur->x + pCur->w + pNext->h*0.15 < pNext->x )
|
|
{
|
|
pCur->Text.append( ' ' );
|
|
}
|
|
}
|
|
}
|
|
// concatenate consecutive text elements unless there is a
|
|
// font or text color change, leave a new span in that case
|
|
if( pCur->FontId == pNext->FontId &&
|
|
rCurGC.FillColor.Red == rNextGC.FillColor.Red &&
|
|
rCurGC.FillColor.Green == rNextGC.FillColor.Green &&
|
|
rCurGC.FillColor.Blue == rNextGC.FillColor.Blue &&
|
|
rCurGC.FillColor.Alpha == rNextGC.FillColor.Alpha
|
|
)
|
|
{
|
|
pCur->updateGeometryWith( pNext );
|
|
if (pPara && pPara->bRtl)
|
|
{
|
|
// Tdf#152083: If RTL, reverse the text in pNext so that its correct order is
|
|
// restored when the combined text is reversed in WriterXmlEmitter::visit.
|
|
OUString tempStr;
|
|
bool bNeedReverse=false;
|
|
str = pNext->Text.toString();
|
|
for (sal_Int32 i=0; i < str.getLength(); i++)
|
|
{
|
|
if (str[i] == u' ')
|
|
{ // Space char (e.g. the space as in " م") needs special treatment.
|
|
// First, append the space char to pCur.
|
|
pCur->Text.append(OUStringChar(str[i]));
|
|
// Then, check whether the tmpStr needs reverse, if so then reverse and append.
|
|
if (bNeedReverse)
|
|
{
|
|
tempStr = ::comphelper::string::reverseCodePoints(tempStr);
|
|
pCur->Text.append(tempStr);
|
|
tempStr = u""_ustr;
|
|
}
|
|
bNeedReverse = false;
|
|
}
|
|
else
|
|
{
|
|
tempStr += OUStringChar(str[i]);
|
|
bNeedReverse = true;
|
|
}
|
|
}
|
|
// Do the last append
|
|
if (bNeedReverse)
|
|
{
|
|
tempStr = ::comphelper::string::reverseCodePoints(tempStr);
|
|
pCur->Text.append(tempStr);
|
|
}
|
|
else
|
|
{
|
|
pCur->Text.append(tempStr);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// append text to current element directly without reverse
|
|
pCur->Text.append(pNext->Text);
|
|
}
|
|
if (bPara && pPara && isComplex(GetBreakIterator(), pCur))
|
|
pPara->bRtl = true;
|
|
// append eventual children to current element
|
|
// and clear children (else the children just
|
|
// appended to pCur would be destroyed)
|
|
pCur->Children.splice( pCur->Children.end(), pNext->Children );
|
|
// get rid of the now useless element
|
|
rParent.Children.erase( next );
|
|
bConcat = true;
|
|
}
|
|
}
|
|
}
|
|
else if( dynamic_cast<HyperlinkElement*>(it->get()) )
|
|
optimizeTextElements( **it );
|
|
if( bConcat )
|
|
{
|
|
next = it;
|
|
++next;
|
|
}
|
|
else
|
|
{
|
|
++it;
|
|
++next;
|
|
}
|
|
}
|
|
}
|
|
|
|
void WriterXmlOptimizer::visit( DocumentElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator&)
|
|
{
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
|
|
void WriterXmlFinalizer::visit( PolyPolyElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
// xxx TODO copied from DrawElement
|
|
const GraphicsContext& rGC = m_rProcessor.getGraphicsContext(elem.GCId );
|
|
PropertyMap aProps;
|
|
aProps[ u"style:family"_ustr ] = "graphic";
|
|
|
|
PropertyMap aGCProps;
|
|
if (elem.Action & PATH_STROKE)
|
|
{
|
|
double scale = GetAverageTransformationScale(rGC.Transformation);
|
|
if (rGC.DashArray.size() < 2)
|
|
{
|
|
aGCProps[ u"draw:stroke"_ustr ] = "solid";
|
|
}
|
|
else
|
|
{
|
|
PropertyMap props;
|
|
FillDashStyleProps(props, rGC.DashArray, scale);
|
|
StyleContainer::Style style("draw:stroke-dash"_ostr, std::move(props));
|
|
|
|
aGCProps[ u"draw:stroke"_ustr ] = "dash";
|
|
aGCProps[ u"draw:stroke-dash"_ustr ] =
|
|
m_rStyleContainer.getStyleName(
|
|
m_rStyleContainer.getStyleId(style));
|
|
}
|
|
|
|
aGCProps[ u"svg:stroke-color"_ustr ] = getColorString(rGC.LineColor);
|
|
aGCProps[ u"svg:stroke-width"_ustr ] = convertPixelToUnitString(rGC.LineWidth * scale);
|
|
aGCProps[ u"draw:stroke-linejoin"_ustr ] = rGC.GetLineJoinString();
|
|
aGCProps[ u"svg:stroke-linecap"_ustr ] = rGC.GetLineCapString();
|
|
}
|
|
else
|
|
{
|
|
aGCProps[ u"draw:stroke"_ustr ] = "none";
|
|
}
|
|
|
|
if (elem.FillImage != -1)
|
|
{
|
|
PropertyMap props;
|
|
// The image isn't actually in a prop, it's in an extra chunk inside.
|
|
StyleContainer::Style style("draw:fill-image"_ostr, std::move(props));
|
|
style.Contents = m_rProcessor.getImages().asBase64EncodedString(elem.FillImage);
|
|
aGCProps[ u"draw:fill-image-name"_ustr ] =
|
|
m_rStyleContainer.getStyleName(
|
|
m_rStyleContainer.getStyleId(style));
|
|
aGCProps[ u"draw:fill-image-width"_ustr ] = unitMMString(convPx2mm(elem.TileWidth));
|
|
aGCProps[ u"draw:fill-image-height"_ustr ] = unitMMString(convPx2mm(elem.TileHeight));
|
|
}
|
|
|
|
// TODO(F1): check whether stuff could be emulated by gradient/bitmap/hatch
|
|
if( elem.Action & (PATH_FILL | PATH_EOFILL) )
|
|
{
|
|
if (elem.FillImage == -1)
|
|
{
|
|
aGCProps[ u"draw:fill"_ustr ] = "solid";
|
|
}
|
|
else
|
|
{
|
|
aGCProps[ u"draw:fill"_ustr ] = "bitmap";
|
|
}
|
|
aGCProps[ u"draw:fill-color"_ustr ] = getColorString( rGC.FillColor );
|
|
}
|
|
else
|
|
{
|
|
aGCProps[ u"draw:fill"_ustr ] = "none";
|
|
}
|
|
|
|
StyleContainer::Style aStyle( "style:style"_ostr, std::move(aProps) );
|
|
StyleContainer::Style aSubStyle( "style:graphic-properties"_ostr, std::move(aGCProps) );
|
|
aStyle.SubStyles.push_back( &aSubStyle );
|
|
|
|
elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
|
|
}
|
|
|
|
void WriterXmlFinalizer::visit( HyperlinkElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
}
|
|
|
|
void WriterXmlFinalizer::visit( TextElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
const FontAttributes& rFont = m_rProcessor.getFont( elem.FontId );
|
|
PropertyMap aProps;
|
|
aProps[ u"style:family"_ustr ] = "text";
|
|
|
|
PropertyMap aFontProps;
|
|
|
|
// family name
|
|
// TODO: tdf#143095: use system font name rather than PSName
|
|
SAL_INFO("sdext.pdfimport", "The font used in xml is: " << rFont.familyName);
|
|
aFontProps[ u"fo:font-family"_ustr ] = rFont.familyName;
|
|
aFontProps[ u"style:font-family-asian"_ustr ] = rFont.familyName;
|
|
aFontProps[ u"style:font-family-complex"_ustr ] = rFont.familyName;
|
|
|
|
// bold
|
|
aFontProps[ u"fo:font-weight"_ustr ] = rFont.fontWeight;
|
|
aFontProps[ u"style:font-weight-asian"_ustr ] = rFont.fontWeight;
|
|
aFontProps[ u"style:font-weight-complex"_ustr ] = rFont.fontWeight;
|
|
|
|
// italic
|
|
if( rFont.isItalic )
|
|
{
|
|
aFontProps[ u"fo:font-style"_ustr ] = "italic";
|
|
aFontProps[ u"style:font-style-asian"_ustr ] = "italic";
|
|
aFontProps[ u"style:font-style-complex"_ustr ] = "italic";
|
|
}
|
|
|
|
// underline
|
|
if( rFont.isUnderline )
|
|
{
|
|
aFontProps[ u"style:text-underline-style"_ustr ] = "solid";
|
|
aFontProps[ u"style:text-underline-width"_ustr ] = "auto";
|
|
aFontProps[ u"style:text-underline-color"_ustr ] = "font-color";
|
|
}
|
|
|
|
// outline
|
|
if( rFont.isOutline )
|
|
aFontProps[ u"style:text-outline"_ustr ] = "true";
|
|
|
|
// size
|
|
OUString aFSize = OUString::number( rFont.size*72/PDFI_OUTDEV_RESOLUTION ) + "pt";
|
|
aFontProps[ u"fo:font-size"_ustr ] = aFSize;
|
|
aFontProps[ u"style:font-size-asian"_ustr ] = aFSize;
|
|
aFontProps[ u"style:font-size-complex"_ustr ] = aFSize;
|
|
|
|
// color
|
|
const GraphicsContext& rGC = m_rProcessor.getGraphicsContext( elem.GCId );
|
|
aFontProps[ u"fo:color"_ustr ] = getColorString( rFont.isOutline ? rGC.LineColor : rGC.FillColor );
|
|
|
|
StyleContainer::Style aStyle( "style:style"_ostr, std::move(aProps) );
|
|
StyleContainer::Style aSubStyle( "style:text-properties"_ostr, std::move(aFontProps) );
|
|
aStyle.SubStyles.push_back( &aSubStyle );
|
|
elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
|
|
}
|
|
|
|
void WriterXmlFinalizer::visit( ParagraphElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& rParentIt )
|
|
{
|
|
PropertyMap aParaProps;
|
|
|
|
if( elem.Parent )
|
|
{
|
|
// check for center alignment
|
|
// criterion: paragraph is small relative to parent and distributed around its center
|
|
double p_x = elem.Parent->x;
|
|
double p_w = elem.Parent->w;
|
|
|
|
PageElement* pPage = dynamic_cast<PageElement*>(elem.Parent);
|
|
if( pPage )
|
|
{
|
|
p_x += pPage->LeftMargin;
|
|
p_w -= pPage->LeftMargin+pPage->RightMargin;
|
|
}
|
|
bool bIsCenter = false;
|
|
if( elem.w < ( p_w/2) )
|
|
{
|
|
double delta = elem.w/4;
|
|
// allow very small paragraphs to deviate a little more
|
|
// relative to parent's center
|
|
if( elem.w < p_w/8 )
|
|
delta = elem.w;
|
|
if( fabs( elem.x+elem.w/2 - ( p_x+ p_w/2) ) < delta ||
|
|
(pPage && fabs( elem.x+elem.w/2 - (pPage->x + pPage->w/2) ) < delta) )
|
|
{
|
|
bIsCenter = true;
|
|
aParaProps[ u"fo:text-align"_ustr ] = "center";
|
|
}
|
|
}
|
|
if( ! bIsCenter && elem.x > p_x + p_w/10 )
|
|
{
|
|
// indent
|
|
aParaProps[ u"fo:margin-left"_ustr ] = OUString::number(convPx2mm( elem.x - p_x )) + "mm";
|
|
}
|
|
|
|
// check whether to leave some space to next paragraph
|
|
// find whether there is a next paragraph
|
|
auto it = rParentIt;
|
|
const ParagraphElement* pNextPara = nullptr;
|
|
while( ++it != elem.Parent->Children.end() && ! pNextPara )
|
|
pNextPara = dynamic_cast< const ParagraphElement* >(it->get());
|
|
if( pNextPara )
|
|
{
|
|
if( pNextPara->y - (elem.y+elem.h) > convmm2Px( 10 ) )
|
|
{
|
|
aParaProps[ u"fo:margin-bottom"_ustr ] =
|
|
OUString::number( convPx2mm( pNextPara->y - (elem.y+elem.h) ) ) + "mm";
|
|
}
|
|
}
|
|
}
|
|
|
|
if( ! aParaProps.empty() )
|
|
{
|
|
PropertyMap aProps;
|
|
aProps[ u"style:family"_ustr ] = "paragraph";
|
|
StyleContainer::Style aStyle( "style:style"_ostr, std::move(aProps) );
|
|
StyleContainer::Style aSubStyle( "style:paragraph-properties"_ostr, std::move(aParaProps) );
|
|
aStyle.SubStyles.push_back( &aSubStyle );
|
|
elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
|
|
}
|
|
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
void WriterXmlFinalizer::visit( FrameElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator&)
|
|
{
|
|
PropertyMap aProps;
|
|
aProps[ u"style:family"_ustr ] = "graphic";
|
|
|
|
PropertyMap aGCProps;
|
|
|
|
aGCProps[ u"draw:stroke"_ustr ] = "none";
|
|
aGCProps[ u"draw:fill"_ustr ] = "none";
|
|
aGCProps[ u"draw:auto-grow-height"_ustr ] = "true";
|
|
aGCProps[ u"draw:auto-grow-width"_ustr ] = "true";
|
|
aGCProps[ u"draw:textarea-horizontal-align"_ustr ] = "left";
|
|
aGCProps[ u"draw:textarea-vertical-align"_ustr ] = "top";
|
|
aGCProps[ u"fo:min-height"_ustr] = "0cm";
|
|
aGCProps[ u"fo:min-width"_ustr] = "0cm";
|
|
aGCProps[ u"fo:padding-top"_ustr ] = "0cm";
|
|
aGCProps[ u"fo:padding-left"_ustr ] = "0cm";
|
|
aGCProps[ u"fo:padding-right"_ustr ] = "0cm";
|
|
aGCProps[ u"fo:padding-bottom"_ustr ] = "0cm";
|
|
|
|
StyleContainer::Style aStyle( "style:style"_ostr, std::move(aProps) );
|
|
StyleContainer::Style aSubStyle( "style:graphic-properties"_ostr, std::move(aGCProps) );
|
|
aStyle.SubStyles.push_back( &aSubStyle );
|
|
|
|
elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
void WriterXmlFinalizer::visit( ImageElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
}
|
|
|
|
void WriterXmlFinalizer::setFirstOnPage( ParagraphElement& rElem,
|
|
StyleContainer& rStyles,
|
|
const OUString& rMasterPageName )
|
|
{
|
|
PropertyMap aProps;
|
|
if( rElem.StyleId != -1 )
|
|
{
|
|
const PropertyMap* pProps = rStyles.getProperties( rElem.StyleId );
|
|
if( pProps )
|
|
aProps = *pProps;
|
|
}
|
|
|
|
aProps[ u"style:family"_ustr ] = "paragraph";
|
|
aProps[ u"style:master-page-name"_ustr ] = rMasterPageName;
|
|
|
|
if( rElem.StyleId != -1 )
|
|
rElem.StyleId = rStyles.setProperties( rElem.StyleId, std::move(aProps) );
|
|
else
|
|
{
|
|
StyleContainer::Style aStyle( "style:style"_ostr, std::move(aProps) );
|
|
rElem.StyleId = rStyles.getStyleId( aStyle );
|
|
}
|
|
}
|
|
|
|
void WriterXmlFinalizer::visit( PageElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
if( m_rProcessor.getStatusIndicator().is() )
|
|
m_rProcessor.getStatusIndicator()->setValue( elem.PageNumber );
|
|
|
|
// transform from pixel to mm
|
|
double page_width = convPx2mm( elem.w ), page_height = convPx2mm( elem.h );
|
|
|
|
// calculate page margins out of the relevant children (paragraphs)
|
|
elem.TopMargin = elem.h;
|
|
elem.BottomMargin = 0;
|
|
elem.LeftMargin = elem.w;
|
|
elem.RightMargin = 0;
|
|
// first element should be a paragraph
|
|
ParagraphElement* pFirstPara = nullptr;
|
|
for( const auto& rxChild : elem.Children )
|
|
{
|
|
if( dynamic_cast<ParagraphElement*>( rxChild.get() ) )
|
|
{
|
|
if( rxChild->x < elem.LeftMargin )
|
|
elem.LeftMargin = rxChild->x;
|
|
if( rxChild->y < elem.TopMargin )
|
|
elem.TopMargin = rxChild->y;
|
|
if( rxChild->x + rxChild->w > elem.w - elem.RightMargin )
|
|
elem.RightMargin = elem.w - (rxChild->x + rxChild->w);
|
|
if( rxChild->y + rxChild->h > elem.h - elem.BottomMargin )
|
|
elem.BottomMargin = elem.h - (rxChild->y + rxChild->h);
|
|
if( ! pFirstPara )
|
|
pFirstPara = dynamic_cast<ParagraphElement*>( rxChild.get() );
|
|
}
|
|
}
|
|
if( elem.HeaderElement && elem.HeaderElement->y < elem.TopMargin )
|
|
elem.TopMargin = elem.HeaderElement->y;
|
|
if( elem.FooterElement && elem.FooterElement->y+elem.FooterElement->h > elem.h - elem.BottomMargin )
|
|
elem.BottomMargin = elem.h - (elem.FooterElement->y + elem.FooterElement->h);
|
|
|
|
// transform margins to mm
|
|
double left_margin = convPx2mm( elem.LeftMargin );
|
|
double right_margin = convPx2mm( elem.RightMargin );
|
|
double top_margin = convPx2mm( elem.TopMargin );
|
|
double bottom_margin = convPx2mm( elem.BottomMargin );
|
|
if( ! pFirstPara )
|
|
{
|
|
// use default page margins
|
|
left_margin = 10;
|
|
right_margin = 10;
|
|
top_margin = 10;
|
|
bottom_margin = 10;
|
|
}
|
|
|
|
// round left/top margin to nearest mm
|
|
left_margin = rtl_math_round( left_margin, 0, rtl_math_RoundingMode_Floor );
|
|
top_margin = rtl_math_round( top_margin, 0, rtl_math_RoundingMode_Floor );
|
|
// round (fuzzy) right/bottom margin to nearest cm
|
|
right_margin = rtl_math_round( right_margin, right_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor );
|
|
bottom_margin = rtl_math_round( bottom_margin, bottom_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor );
|
|
|
|
// set reasonable default in case of way too large margins
|
|
// e.g. no paragraph case
|
|
if( left_margin > page_width/2.0 - 10 )
|
|
left_margin = 10;
|
|
if( right_margin > page_width/2.0 - 10 )
|
|
right_margin = 10;
|
|
if( top_margin > page_height/2.0 - 10 )
|
|
top_margin = 10;
|
|
if( bottom_margin > page_height/2.0 - 10 )
|
|
bottom_margin = 10;
|
|
|
|
// catch the weird cases
|
|
if( left_margin < 0 )
|
|
left_margin = 0;
|
|
if( right_margin < 0 )
|
|
right_margin = 0;
|
|
if( top_margin < 0 )
|
|
top_margin = 0;
|
|
if( bottom_margin < 0 )
|
|
bottom_margin = 0;
|
|
|
|
// widely differing margins are unlikely to be correct
|
|
if( right_margin > left_margin*1.5 )
|
|
right_margin = left_margin;
|
|
|
|
elem.LeftMargin = convmm2Px( left_margin );
|
|
elem.RightMargin = convmm2Px( right_margin );
|
|
elem.TopMargin = convmm2Px( top_margin );
|
|
elem.BottomMargin = convmm2Px( bottom_margin );
|
|
|
|
// get styles for paragraphs
|
|
PropertyMap aPageProps;
|
|
PropertyMap aPageLayoutProps;
|
|
aPageLayoutProps[ u"fo:page-width"_ustr ] = unitMMString( page_width );
|
|
aPageLayoutProps[ u"fo:page-height"_ustr ] = unitMMString( page_height );
|
|
aPageLayoutProps[ u"style:print-orientation"_ustr ]
|
|
= elem.w < elem.h ? std::u16string_view(u"portrait") : std::u16string_view(u"landscape");
|
|
aPageLayoutProps[ u"fo:margin-top"_ustr ] = unitMMString( top_margin );
|
|
aPageLayoutProps[ u"fo:margin-bottom"_ustr ] = unitMMString( bottom_margin );
|
|
aPageLayoutProps[ u"fo:margin-left"_ustr ] = unitMMString( left_margin );
|
|
aPageLayoutProps[ u"fo:margin-right"_ustr ] = unitMMString( right_margin );
|
|
aPageLayoutProps[ u"style:writing-mode"_ustr ]= "lr-tb";
|
|
|
|
StyleContainer::Style aStyle( "style:page-layout"_ostr, std::move(aPageProps));
|
|
StyleContainer::Style aSubStyle( "style:page-layout-properties"_ostr, std::move(aPageLayoutProps));
|
|
aStyle.SubStyles.push_back(&aSubStyle);
|
|
sal_Int32 nPageStyle = m_rStyleContainer.impl_getStyleId( aStyle, false );
|
|
|
|
// create master page
|
|
OUString aMasterPageLayoutName = m_rStyleContainer.getStyleName( nPageStyle );
|
|
aPageProps[ u"style:page-layout-name"_ustr ] = aMasterPageLayoutName;
|
|
StyleContainer::Style aMPStyle( "style:master-page"_ostr, std::move(aPageProps) );
|
|
StyleContainer::Style aHeaderStyle( "style:header"_ostr, PropertyMap() );
|
|
StyleContainer::Style aFooterStyle( "style:footer"_ostr, PropertyMap() );
|
|
if( elem.HeaderElement )
|
|
{
|
|
elem.HeaderElement->visitedBy( *this, std::list<std::unique_ptr<Element>>::iterator() );
|
|
aHeaderStyle.ContainedElement = elem.HeaderElement.get();
|
|
aMPStyle.SubStyles.push_back( &aHeaderStyle );
|
|
}
|
|
if( elem.FooterElement )
|
|
{
|
|
elem.FooterElement->visitedBy( *this, std::list<std::unique_ptr<Element>>::iterator() );
|
|
aFooterStyle.ContainedElement = elem.FooterElement.get();
|
|
aMPStyle.SubStyles.push_back( &aFooterStyle );
|
|
}
|
|
elem.StyleId = m_rStyleContainer.impl_getStyleId( aMPStyle,false );
|
|
|
|
|
|
OUString aMasterPageName = m_rStyleContainer.getStyleName( elem.StyleId );
|
|
|
|
// create styles for children
|
|
elem.applyToChildren(*this);
|
|
|
|
// no paragraph or other elements before the first paragraph
|
|
if( ! pFirstPara )
|
|
{
|
|
pFirstPara = ElementFactory::createParagraphElement( nullptr );
|
|
pFirstPara->Parent = &elem;
|
|
elem.Children.push_front( std::unique_ptr<Element>(pFirstPara) );
|
|
}
|
|
setFirstOnPage(*pFirstPara, m_rStyleContainer, aMasterPageName);
|
|
}
|
|
|
|
void WriterXmlFinalizer::visit( DocumentElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|