1118 lines
42 KiB
C++
1118 lines
42 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/log.hxx>
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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 "drawtreevisiting.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 <rtl/math.hxx>
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#include <com/sun/star/i18n/BreakIterator.hpp>
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#include <com/sun/star/i18n/CharacterClassification.hpp>
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#include <com/sun/star/i18n/ScriptType.hpp>
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#include <com/sun/star/i18n/DirectionProperty.hpp>
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#include <comphelper/string.hxx>
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#include <string.h>
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#include <string_view>
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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 >& DrawXmlOptimizer::GetBreakIterator()
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{
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if ( !mxBreakIter.is() )
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{
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Reference< XComponentContext > xContext( m_rProcessor.m_xContext, uno::UNO_SET_THROW );
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mxBreakIter = BreakIterator::create(xContext);
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}
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return mxBreakIter;
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}
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const Reference< XCharacterClassification >& DrawXmlEmitter::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 DrawXmlEmitter::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 DrawXmlEmitter::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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OUString strSpace(u' ');
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OUString strNbSpace(u'\x00A0');
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OUString tabSpace(u'\x0009');
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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 ] =
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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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css::i18n::DirectionProperty nType = static_cast<css::i18n::DirectionProperty>(xCC->getCharacterDirection( str, i ));
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if ( nType == css::i18n::DirectionProperty_RIGHT_TO_LEFT ||
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nType == css::i18n::DirectionProperty_RIGHT_TO_LEFT_ARABIC ||
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nType == css::i18n::DirectionProperty_RIGHT_TO_LEFT_EMBEDDING ||
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nType == css::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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aProps = {};
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for(int i=0; i< elem.Text.getLength(); i++)
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{
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OUString strToken= str.copy(i,1) ;
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if( strSpace == strToken || strNbSpace == strToken )
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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
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{
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if( tabSpace == strToken )
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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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{
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m_rEmitContext.rEmitter.write( strToken );
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}
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}
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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 DrawXmlEmitter::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 DrawXmlEmitter::fillFrameProps( DrawElement& rElem,
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PropertyMap& rProps,
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const EmitContext& rEmitContext,
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bool bWasTransformed
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)
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{
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static constexpr OUString sDrawZIndex = u"draw:z-index"_ustr;
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static constexpr OUString sDrawStyleName = u"draw:style-name"_ustr;
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static constexpr OUString sDrawTextStyleName = u"draw:text-style-name"_ustr;
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static constexpr OUString sSvgX = u"svg:x"_ustr;
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static constexpr OUString sSvgY = u"svg:y"_ustr;
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static constexpr OUString sSvgWidth = u"svg:width"_ustr;
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static constexpr OUString sSvgHeight = u"svg:height"_ustr;
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static constexpr OUString sDrawTransform = u"draw:transform"_ustr;
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rProps[ sDrawZIndex ] = OUString::number( rElem.ZOrder );
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rProps[ sDrawStyleName ] = rEmitContext.rStyles.getStyleName( rElem.StyleId );
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if (rElem.IsForText)
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rProps[ sDrawTextStyleName ] = rEmitContext.rStyles.getStyleName(rElem.TextStyleId);
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const GraphicsContext& rGC =
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rEmitContext.rProcessor.getGraphicsContext( rElem.GCId );
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if (bWasTransformed)
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{
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rProps[ sSvgX ] = convertPixelToUnitString(rElem.x);
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rProps[ sSvgY ] = convertPixelToUnitString(rElem.y);
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rProps[ sSvgWidth ] = convertPixelToUnitString(rElem.w);
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rProps[ sSvgHeight ] = convertPixelToUnitString(rElem.h);
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}
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else
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{
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basegfx::B2DHomMatrix mat(rGC.Transformation);
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if (rElem.MirrorVertical)
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{
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basegfx::B2DHomMatrix mat2;
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mat2.translate(0, -0.5);
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mat2.scale(1, -1);
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mat2.translate(0, 0.5);
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mat = mat * mat2;
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}
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double scale = convPx2mm(100);
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mat.scale(scale, scale);
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rProps[ sDrawTransform ] =
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OUString::Concat("matrix(")
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+ OUString::number(mat.get(0, 0))
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+ " "
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+ OUString::number(mat.get(1, 0))
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+ " "
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+ OUString::number(mat.get(0, 1))
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+ " "
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+ OUString::number(mat.get(1, 1))
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+ " "
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+ OUString::number(mat.get(0, 2))
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+ " "
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+ OUString::number(mat.get(1, 2))
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+ ")";
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}
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}
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void DrawXmlEmitter::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, false );
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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 DrawXmlEmitter::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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// PDFIProcessor transforms geometrical objects, not images and text
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// so we need to tell fillFrameProps here that the transformation for
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// a PolyPolyElement was already applied (aside from translation)
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fillFrameProps( elem, aProps, m_rEmitContext, true );
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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, false, 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 DrawXmlEmitter::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 DrawXmlEmitter::visit( PageElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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PropertyMap aPageProps;
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aPageProps[ u"draw:master-page-name"_ustr ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId );
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m_rEmitContext.rEmitter.beginTag("draw:page", aPageProps);
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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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m_rEmitContext.rEmitter.endTag("draw:page");
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}
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void DrawXmlEmitter::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( m_bWriteDrawDocument ? "office:drawing" : "office:presentation",
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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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m_rEmitContext.rEmitter.endTag( m_bWriteDrawDocument ? "office:drawing" : "office:presentation" );
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m_rEmitContext.rEmitter.endTag( "office:body" );
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}
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void DrawXmlOptimizer::visit( HyperlinkElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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}
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void DrawXmlOptimizer::visit( TextElement&, const std::list< std::unique_ptr<Element> >::const_iterator&)
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{
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}
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void DrawXmlOptimizer::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 DrawXmlOptimizer::visit( ImageElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
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{
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}
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void DrawXmlOptimizer::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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// TODO(F2): this comparison fails for OOo-generated polygons with beziers.
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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 &&
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rThisGC.Clip == rNextGC.Clip &&
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rThisGC.FillColor.Red == rNextGC.FillColor.Red &&
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rThisGC.FillColor.Green== rNextGC.FillColor.Green &&
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rThisGC.FillColor.Blue == rNextGC.FillColor.Blue &&
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rThisGC.FillColor.Alpha== rNextGC.FillColor.Alpha &&
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pNext->Action == PATH_STROKE &&
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(elem.Action == PATH_FILL || elem.Action == PATH_EOFILL)) )
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return;
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GraphicsContext aGC = rThisGC;
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aGC.LineJoin = rNextGC.LineJoin;
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aGC.LineCap = rNextGC.LineCap;
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aGC.LineWidth = rNextGC.LineWidth;
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aGC.MiterLimit= rNextGC.MiterLimit;
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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 DrawXmlOptimizer::visit( ParagraphElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
optimizeTextElements( elem );
|
|
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
void DrawXmlOptimizer::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);
|
|
}
|
|
|
|
static bool isSpaces(TextElement* pTextElem)
|
|
{
|
|
for (sal_Int32 i = 0; i != pTextElem->Text.getLength(); ++i) {
|
|
if (pTextElem->Text[i] != ' ') {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void DrawXmlOptimizer::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++;
|
|
|
|
while( next != rParent.Children.end() )
|
|
{
|
|
bool bConcat = false;
|
|
TextElement* pCur = (*it)->dynCastAsTextElement();
|
|
|
|
if( pCur )
|
|
{
|
|
TextElement* pNext = (*next)->dynCastAsTextElement();
|
|
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
|
|
|
|
// 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 || isSpaces(pNext)) &&
|
|
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 DrawXmlEmitter::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;
|
|
else
|
|
++it;
|
|
++next;
|
|
}
|
|
}
|
|
|
|
void DrawXmlOptimizer::visit( DocumentElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator&)
|
|
{
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
|
|
void DrawXmlFinalizer::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";
|
|
aProps[ u"style:parent-style-name"_ustr ] = "standard";
|
|
// generate standard graphic style if necessary
|
|
m_rStyleContainer.getStandardStyleId( "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);
|
|
if (rGC.LineColor.Alpha != 1.0)
|
|
aGCProps[u"svg:stroke-opacity"_ustr] = getPercentString(rGC.LineColor.Alpha * 100.0);
|
|
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);
|
|
if (rGC.FillColor.Alpha != 1.0)
|
|
aGCProps[u"draw:opacity"_ustr] = getPercentString(rGC.FillColor.Alpha * 100.0);
|
|
}
|
|
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 DrawXmlFinalizer::visit( HyperlinkElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
}
|
|
|
|
static void SetFontsizeProperties(PropertyMap& props, double fontSize)
|
|
{
|
|
OUString aFSize = OUString::number(fontSize * 72 / PDFI_OUTDEV_RESOLUTION) + "pt";
|
|
props[u"fo:font-size"_ustr] = aFSize;
|
|
props[u"style:font-size-asian"_ustr] = aFSize;
|
|
props[u"style:font-size-complex"_ustr] = aFSize;
|
|
}
|
|
|
|
void DrawXmlFinalizer::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
|
|
SetFontsizeProperties(aFontProps, rFont.size);
|
|
|
|
// color
|
|
const GraphicsContext& rGC = m_rProcessor.getGraphicsContext( elem.GCId );
|
|
aFontProps[ u"fo:color"_ustr ] = getColorString( rFont.isOutline ? rGC.LineColor : rGC.FillColor );
|
|
|
|
// scale
|
|
double fRotate, fShearX;
|
|
basegfx::B2DTuple aScale, aTranslation;
|
|
rGC.Transformation.decompose(aScale, aTranslation, fRotate, fShearX);
|
|
double textScale = 100 * aScale.getX() / aScale.getY();
|
|
if (((textScale >= 1) && (textScale <= 99)) ||
|
|
((textScale >= 101) && (textScale <= 999)))
|
|
{
|
|
aFontProps[ u"style:text-scale"_ustr ] = getPercentString(textScale);
|
|
}
|
|
|
|
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 DrawXmlFinalizer::visit( ParagraphElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
|
|
PropertyMap aProps;
|
|
aProps[ u"style:family"_ustr ] = "paragraph";
|
|
// generate standard paragraph style if necessary
|
|
m_rStyleContainer.getStandardStyleId( "paragraph" );
|
|
|
|
PropertyMap aParProps;
|
|
|
|
aParProps[ u"fo:text-align"_ustr] = "start";
|
|
if (elem.bRtl)
|
|
aParProps[ u"style:writing-mode"_ustr] = "rl-tb";
|
|
else
|
|
aParProps[ u"style:writing-mode"_ustr] = "lr-tb";
|
|
|
|
StyleContainer::Style aStyle( "style:style"_ostr, std::move(aProps) );
|
|
StyleContainer::Style aSubStyle( "style:paragraph-properties"_ostr, std::move(aParProps) );
|
|
aStyle.SubStyles.push_back( &aSubStyle );
|
|
|
|
elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
|
|
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
void DrawXmlFinalizer::visit( FrameElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator&)
|
|
{
|
|
PropertyMap props1;
|
|
props1[ u"style:family"_ustr ] = "graphic";
|
|
props1[ u"style:parent-style-name"_ustr ] = "standard";
|
|
// generate standard graphic style if necessary
|
|
m_rStyleContainer.getStandardStyleId( "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 style1( "style:style"_ostr, std::move(props1) );
|
|
StyleContainer::Style subStyle1( "style:graphic-properties"_ostr, std::move(aGCProps) );
|
|
style1.SubStyles.push_back(&subStyle1);
|
|
|
|
elem.StyleId = m_rStyleContainer.getStyleId(style1);
|
|
|
|
if (elem.IsForText)
|
|
{
|
|
PropertyMap props2;
|
|
props2[u"style:family"_ustr] = "paragraph";
|
|
|
|
PropertyMap textProps;
|
|
SetFontsizeProperties(textProps, elem.FontSize);
|
|
|
|
StyleContainer::Style style2("style:style"_ostr, std::move(props2));
|
|
StyleContainer::Style subStyle2("style:text-properties"_ostr, std::move(textProps));
|
|
style2.SubStyles.push_back(&subStyle2);
|
|
elem.TextStyleId = m_rStyleContainer.getStyleId(style2);
|
|
}
|
|
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
void DrawXmlFinalizer::visit( ImageElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
}
|
|
|
|
void DrawXmlFinalizer::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;
|
|
|
|
for( const auto& rxChild : elem.Children )
|
|
{
|
|
if( rxChild->x < elem.LeftMargin )
|
|
elem.LeftMargin = rxChild->x;
|
|
if( rxChild->y < elem.TopMargin )
|
|
elem.TopMargin = rxChild->y;
|
|
if( rxChild->x + rxChild->w > elem.RightMargin )
|
|
elem.RightMargin = (rxChild->x + rxChild->w);
|
|
if( rxChild->y + rxChild->h > elem.BottomMargin )
|
|
elem.BottomMargin = (rxChild->y + rxChild->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 );
|
|
|
|
// 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: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"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"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));
|
|
|
|
elem.StyleId = m_rStyleContainer.impl_getStyleId( aMPStyle,false );
|
|
|
|
// create styles for children
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
void DrawXmlFinalizer::visit( DocumentElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
|
|
{
|
|
elem.applyToChildren(*this);
|
|
}
|
|
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|