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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#include <sal/log.hxx>
+#include <pdfiprocessor.hxx>
+#include <xmlemitter.hxx>
+#include <pdfihelper.hxx>
+#include <imagecontainer.hxx>
+#include "style.hxx"
+#include "drawtreevisiting.hxx"
+#include <genericelements.hxx>
+
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <osl/diagnose.h>
+#include <rtl/math.hxx>
+#include <com/sun/star/i18n/BreakIterator.hpp>
+#include <com/sun/star/i18n/CharacterClassification.hpp>
+#include <com/sun/star/i18n/ScriptType.hpp>
+#include <com/sun/star/i18n/DirectionProperty.hpp>
+#include <comphelper/string.hxx>
+
+#include <string.h>
+#include <string_view>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::i18n;
+using namespace ::com::sun::star::uno;
+
+namespace pdfi
+{
+
+const Reference< XBreakIterator >& DrawXmlOptimizer::GetBreakIterator()
+{
+ if ( !mxBreakIter.is() )
+ {
+ Reference< XComponentContext > xContext( m_rProcessor.m_xContext, uno::UNO_SET_THROW );
+ mxBreakIter = BreakIterator::create(xContext);
+ }
+ return mxBreakIter;
+}
+
+const Reference< XCharacterClassification >& DrawXmlEmitter::GetCharacterClassification()
+{
+ if ( !mxCharClass.is() )
+ {
+ Reference< XComponentContext > xContext( m_rEmitContext.m_xContext, uno::UNO_SET_THROW );
+ mxCharClass = CharacterClassification::create(xContext);
+ }
+ return mxCharClass;
+}
+
+void DrawXmlEmitter::visit( HyperlinkElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+ if( elem.Children.empty() )
+ return;
+
+ const char* pType = dynamic_cast<DrawElement*>(elem.Children.front().get()) ? "draw:a" : "text:a";
+
+ PropertyMap aProps;
+ aProps[ "xlink:type" ] = "simple";
+ aProps[ "xlink:href" ] = elem.URI;
+ aProps[ "office:target-frame-name" ] = "_blank";
+ aProps[ "xlink:show" ] = "new";
+
+ m_rEmitContext.rEmitter.beginTag( pType, aProps );
+ auto this_it = elem.Children.begin();
+ while( this_it != elem.Children.end() && this_it->get() != &elem )
+ {
+ (*this_it)->visitedBy( *this, this_it );
+ ++this_it;
+ }
+ m_rEmitContext.rEmitter.endTag( pType );
+}
+
+void DrawXmlEmitter::visit( TextElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+ if( elem.Text.isEmpty() )
+ return;
+
+ OUString strSpace(u' ');
+ OUString strNbSpace(u'\x00A0');
+ OUString tabSpace(u'\x0009');
+ PropertyMap aProps;
+ if( elem.StyleId != -1 )
+ {
+ aProps[ OUString( "text:style-name" ) ] =
+ m_rEmitContext.rStyles.getStyleName( elem.StyleId );
+ }
+
+ OUString str(elem.Text.toString());
+
+ // Check for RTL
+ bool isRTL = false;
+ Reference< i18n::XCharacterClassification > xCC( GetCharacterClassification() );
+ if( xCC.is() )
+ {
+ for(int i=1; i< elem.Text.getLength(); i++)
+ {
+ css::i18n::DirectionProperty nType = static_cast<css::i18n::DirectionProperty>(xCC->getCharacterDirection( str, i ));
+ if ( nType == css::i18n::DirectionProperty_RIGHT_TO_LEFT ||
+ nType == css::i18n::DirectionProperty_RIGHT_TO_LEFT_ARABIC ||
+ nType == css::i18n::DirectionProperty_RIGHT_TO_LEFT_EMBEDDING ||
+ nType == css::i18n::DirectionProperty_RIGHT_TO_LEFT_OVERRIDE
+ )
+ isRTL = true;
+ }
+ }
+
+ if (isRTL) // If so, reverse string
+ {
+ // First, produce mirrored-image for each code point which has the Bidi_Mirrored property.
+ str = PDFIProcessor::SubstituteBidiMirrored(str);
+ // Then, reverse the code points in the string, in backward order.
+ str = ::comphelper::string::reverseCodePoints(str);
+ }
+
+ m_rEmitContext.rEmitter.beginTag( "text:span", aProps );
+
+ aProps = {};
+ for(int i=0; i< elem.Text.getLength(); i++)
+ {
+ OUString strToken= str.copy(i,1) ;
+ if( strSpace == strToken || strNbSpace == strToken )
+ {
+ aProps[ "text:c" ] = "1";
+ m_rEmitContext.rEmitter.beginTag( "text:s", aProps );
+ m_rEmitContext.rEmitter.endTag( "text:s");
+ }
+ else
+ {
+ if( tabSpace == strToken )
+ {
+ m_rEmitContext.rEmitter.beginTag( "text:tab", aProps );
+ m_rEmitContext.rEmitter.endTag( "text:tab");
+ }
+ else
+ {
+ m_rEmitContext.rEmitter.write( strToken );
+ }
+ }
+ }
+
+ auto this_it = elem.Children.begin();
+ while( this_it != elem.Children.end() && this_it->get() != &elem )
+ {
+ (*this_it)->visitedBy( *this, this_it );
+ ++this_it;
+ }
+
+ m_rEmitContext.rEmitter.endTag( "text:span" );
+}
+
+void DrawXmlEmitter::visit( ParagraphElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+ PropertyMap aProps;
+ if( elem.StyleId != -1 )
+ {
+ aProps[ "text:style-name" ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId );
+ }
+ const char* pTagType = "text:p";
+ if( elem.Type == ParagraphElement::Headline )
+ pTagType = "text:h";
+ m_rEmitContext.rEmitter.beginTag( pTagType, aProps );
+
+ auto this_it = elem.Children.begin();
+ while( this_it != elem.Children.end() && this_it->get() != &elem )
+ {
+ (*this_it)->visitedBy( *this, this_it );
+ ++this_it;
+ }
+
+ m_rEmitContext.rEmitter.endTag( pTagType );
+}
+
+void DrawXmlEmitter::fillFrameProps( DrawElement& rElem,
+ PropertyMap& rProps,
+ const EmitContext& rEmitContext,
+ bool bWasTransformed
+ )
+{
+ rProps[ "draw:z-index" ] = OUString::number( rElem.ZOrder );
+ rProps[ "draw:style-name"] = rEmitContext.rStyles.getStyleName( rElem.StyleId );
+
+ if (rElem.IsForText)
+ rProps["draw:text-style-name"] = rEmitContext.rStyles.getStyleName(rElem.TextStyleId);
+
+ const GraphicsContext& rGC =
+ rEmitContext.rProcessor.getGraphicsContext( rElem.GCId );
+
+ if (bWasTransformed)
+ {
+ rProps[ "svg:x" ] = convertPixelToUnitString(rElem.x);
+ rProps[ "svg:y" ] = convertPixelToUnitString(rElem.y);
+ rProps[ "svg:width" ] = convertPixelToUnitString(rElem.w);
+ rProps[ "svg:height" ] = convertPixelToUnitString(rElem.h);
+ }
+ else
+ {
+ OUStringBuffer aBuf(256);
+
+ basegfx::B2DHomMatrix mat(rGC.Transformation);
+
+ if (rElem.MirrorVertical)
+ {
+ basegfx::B2DHomMatrix mat2;
+ mat2.translate(0, -0.5);
+ mat2.scale(1, -1);
+ mat2.translate(0, 0.5);
+ mat = mat * mat2;
+ }
+
+ double scale = convPx2mm(100);
+ mat.scale(scale, scale);
+
+ aBuf.append("matrix(");
+ aBuf.append(mat.get(0, 0));
+ aBuf.append(' ');
+ aBuf.append(mat.get(1, 0));
+ aBuf.append(' ');
+ aBuf.append(mat.get(0, 1));
+ aBuf.append(' ');
+ aBuf.append(mat.get(1, 1));
+ aBuf.append(' ');
+ aBuf.append(mat.get(0, 2));
+ aBuf.append(' ');
+ aBuf.append(mat.get(1, 2));
+ aBuf.append(")");
+
+ rProps["draw:transform"] = aBuf.makeStringAndClear();
+ }
+}
+
+void DrawXmlEmitter::visit( FrameElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+ if( elem.Children.empty() )
+ return;
+
+ bool bTextBox = (dynamic_cast<ParagraphElement*>(elem.Children.front().get()) != nullptr);
+ PropertyMap aFrameProps;
+ fillFrameProps( elem, aFrameProps, m_rEmitContext, false );
+ m_rEmitContext.rEmitter.beginTag( "draw:frame", aFrameProps );
+ if( bTextBox )
+ m_rEmitContext.rEmitter.beginTag( "draw:text-box", PropertyMap() );
+
+ auto this_it = elem.Children.begin();
+ while( this_it != elem.Children.end() && this_it->get() != &elem )
+ {
+ (*this_it)->visitedBy( *this, this_it );
+ ++this_it;
+ }
+
+ if( bTextBox )
+ m_rEmitContext.rEmitter.endTag( "draw:text-box" );
+ m_rEmitContext.rEmitter.endTag( "draw:frame" );
+}
+
+void DrawXmlEmitter::visit( PolyPolyElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+ elem.updateGeometry();
+ /* note:
+ * aw recommends using 100dth of mm in all respects since the xml import
+ * (a) is buggy (see issue 37213)
+ * (b) is optimized for 100dth of mm and does not scale itself then,
+ * this does not gain us speed but makes for smaller rounding errors since
+ * the xml importer coordinates are integer based
+ */
+ for (sal_uInt32 i = 0; i< elem.PolyPoly.count(); i++)
+ {
+ basegfx::B2DPolygon b2dPolygon = elem.PolyPoly.getB2DPolygon( i );
+
+ for ( sal_uInt32 j = 0; j< b2dPolygon.count(); j++ )
+ {
+ basegfx::B2DPoint point;
+ basegfx::B2DPoint nextPoint;
+ point = b2dPolygon.getB2DPoint( j );
+
+ basegfx::B2DPoint prevPoint = b2dPolygon.getPrevControlPoint( j ) ;
+
+ point.setX( convPx2mmPrec2( point.getX() )*100.0 );
+ point.setY( convPx2mmPrec2( point.getY() )*100.0 );
+
+ if ( b2dPolygon.isPrevControlPointUsed( j ) )
+ {
+ prevPoint.setX( convPx2mmPrec2( prevPoint.getX() )*100.0 );
+ prevPoint.setY( convPx2mmPrec2( prevPoint.getY() )*100.0 );
+ }
+
+ if ( b2dPolygon.isNextControlPointUsed( j ) )
+ {
+ nextPoint = b2dPolygon.getNextControlPoint( j ) ;
+ nextPoint.setX( convPx2mmPrec2( nextPoint.getX() )*100.0 );
+ nextPoint.setY( convPx2mmPrec2( nextPoint.getY() )*100.0 );
+ }
+
+ b2dPolygon.setB2DPoint( j, point );
+
+ if ( b2dPolygon.isPrevControlPointUsed( j ) )
+ b2dPolygon.setPrevControlPoint( j , prevPoint ) ;
+
+ if ( b2dPolygon.isNextControlPointUsed( j ) )
+ b2dPolygon.setNextControlPoint( j , nextPoint ) ;
+ }
+
+ elem.PolyPoly.setB2DPolygon( i, b2dPolygon );
+ }
+
+ PropertyMap aProps;
+ // PDFIProcessor transforms geometrical objects, not images and text
+ // so we need to tell fillFrameProps here that the transformation for
+ // a PolyPolyElement was already applied (aside from translation)
+ fillFrameProps( elem, aProps, m_rEmitContext, true );
+ OUStringBuffer aBuf( 64 );
+ aBuf.append( "0 0 " );
+ aBuf.append( convPx2mmPrec2(elem.w)*100.0 );
+ aBuf.append( ' ' );
+ aBuf.append( convPx2mmPrec2(elem.h)*100.0 );
+ aProps[ "svg:viewBox" ] = aBuf.makeStringAndClear();
+ aProps[ "svg:d" ] = basegfx::utils::exportToSvgD( elem.PolyPoly, false, true, false );
+
+ m_rEmitContext.rEmitter.beginTag( "draw:path", aProps );
+ m_rEmitContext.rEmitter.endTag( "draw:path" );
+}
+
+void DrawXmlEmitter::visit( ImageElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+ PropertyMap aImageProps;
+ m_rEmitContext.rEmitter.beginTag( "draw:image", aImageProps );
+ m_rEmitContext.rEmitter.beginTag( "office:binary-data", PropertyMap() );
+ m_rEmitContext.rImages.writeBase64EncodedStream( elem.Image, m_rEmitContext);
+ m_rEmitContext.rEmitter.endTag( "office:binary-data" );
+ m_rEmitContext.rEmitter.endTag( "draw:image" );
+}
+
+void DrawXmlEmitter::visit( PageElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+ PropertyMap aPageProps;
+ aPageProps[ "draw:master-page-name" ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId );
+
+ m_rEmitContext.rEmitter.beginTag("draw:page", aPageProps);
+
+ if( m_rEmitContext.xStatusIndicator.is() )
+ m_rEmitContext.xStatusIndicator->setValue( elem.PageNumber );
+
+ auto this_it = elem.Children.begin();
+ while( this_it != elem.Children.end() && this_it->get() != &elem )
+ {
+ (*this_it)->visitedBy( *this, this_it );
+ ++this_it;
+ }
+
+ m_rEmitContext.rEmitter.endTag("draw:page");
+}
+
+void DrawXmlEmitter::visit( DocumentElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator&)
+{
+ m_rEmitContext.rEmitter.beginTag( "office:body", PropertyMap() );
+ m_rEmitContext.rEmitter.beginTag( m_bWriteDrawDocument ? "office:drawing" : "office:presentation",
+ PropertyMap() );
+
+ auto this_it = elem.Children.begin();
+ while( this_it != elem.Children.end() && this_it->get() != &elem )
+ {
+ (*this_it)->visitedBy( *this, this_it );
+ ++this_it;
+ }
+
+ m_rEmitContext.rEmitter.endTag( m_bWriteDrawDocument ? "office:drawing" : "office:presentation" );
+ m_rEmitContext.rEmitter.endTag( "office:body" );
+}
+
+
+void DrawXmlOptimizer::visit( HyperlinkElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+}
+
+void DrawXmlOptimizer::visit( TextElement&, const std::list< std::unique_ptr<Element> >::const_iterator&)
+{
+}
+
+void DrawXmlOptimizer::visit( FrameElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+ elem.applyToChildren(*this);
+}
+
+void DrawXmlOptimizer::visit( ImageElement&, const std::list< std::unique_ptr<Element> >::const_iterator& )
+{
+}
+
+void DrawXmlOptimizer::visit( PolyPolyElement& elem, const std::list< std::unique_ptr<Element> >::const_iterator& elemIt )
+{
+ /* note: optimize two consecutive PolyPolyElements that
+ * have the same path but one of which is a stroke while
+ * the other is a fill
+ */
+ if( !elem.Parent )
+ return;
+
+ // find following PolyPolyElement in parent's children list
+ if( elemIt == elem.Parent->Children.end() )
+ return;
+ auto next_it = elemIt;
+ ++next_it;
+ if( next_it == elem.Parent->Children.end() )
+ return;
+
+ PolyPolyElement* pNext = dynamic_cast<PolyPolyElement*>(next_it->get());
+ // TODO(F2): this comparison fails for OOo-generated polygons with beziers.
+ if( !pNext || pNext->PolyPoly != elem.PolyPoly )
+ return;
+
+ const GraphicsContext& rNextGC =
+ m_rProcessor.getGraphicsContext( pNext->GCId );
+ const GraphicsContext& rThisGC =
+ m_rProcessor.getGraphicsContext( elem.GCId );
+
+ if( !(rThisGC.BlendMode == rNextGC.BlendMode &&
+ rThisGC.Flatness == rNextGC.Flatness &&
+ rThisGC.Transformation == rNextGC.Transformation &&
+ rThisGC.Clip == rNextGC.Clip &&
+ rThisGC.FillColor.Red == rNextGC.FillColor.Red &&
+ rThisGC.FillColor.Green== rNextGC.FillColor.Green &&
+ rThisGC.FillColor.Blue == rNextGC.FillColor.Blue &&
+ rThisGC.FillColor.Alpha== rNextGC.FillColor.Alpha &&
+ 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 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 = dynamic_cast<TextElement*>(rxChild.get());
+ 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 = dynamic_cast<TextElement*>(next_page_element->get());
+ if( ! pText )
+ {
+ ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(next_page_element->get());
+ if( pPara && ! pPara->Children.empty() )
+ pText = dynamic_cast<TextElement*>(pPara->Children.front().get());
+ }
+ 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 = dynamic_cast<TextElement*>(page_element->get());
+ if( ! pText && pLink && ! pLink->Children.empty() )
+ pText = dynamic_cast<TextElement*>(pLink->Children.front().get());
+ 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 );
+ // 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 = dynamic_cast<TextElement*>(it->get());
+
+ if( pCur )
+ {
+ TextElement* pNext = dynamic_cast<TextElement*>(next->get());
+ bool isComplex = false;
+ OUString str(pCur->Text.toString());
+ for(int i=0; i< str.getLength(); i++)
+ {
+ sal_Int16 nType = GetBreakIterator()->getScriptType( str, i );
+ if (nType == css::i18n::ScriptType::COMPLEX)
+ isComplex = true;
+ }
+ bool bPara = strspn("ParagraphElement", typeid(rParent).name());
+ ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(&rParent);
+ if (bPara && pPara && isComplex)
+ 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->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"";
+ }
+ 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 );
+ }
+
+ str = pCur->Text.toString();
+ for(int i=0; i< str.getLength(); i++)
+ {
+ sal_Int16 nType = GetBreakIterator()->getScriptType( str, i );
+ if (nType == css::i18n::ScriptType::COMPLEX)
+ isComplex = true;
+ }
+ if (bPara && pPara && isComplex)
+ 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[ "style:family" ] = "graphic";
+ aProps[ "style:parent-style-name" ] = "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[ "draw:stroke" ] = "solid";
+ }
+ else
+ {
+ PropertyMap props;
+ FillDashStyleProps(props, rGC.DashArray, scale);
+ StyleContainer::Style style("draw:stroke-dash", std::move(props));
+
+ aGCProps[ "draw:stroke" ] = "dash";
+ aGCProps[ "draw:stroke-dash" ] =
+ m_rStyleContainer.getStyleName(
+ m_rStyleContainer.getStyleId(style));
+ }
+
+ aGCProps[ "svg:stroke-color" ] = getColorString(rGC.LineColor);
+ if (rGC.LineColor.Alpha != 1.0)
+ aGCProps["svg:stroke-opacity"] = getPercentString(rGC.LineColor.Alpha * 100.0);
+ aGCProps[ "svg:stroke-width" ] = convertPixelToUnitString(rGC.LineWidth * scale);
+ aGCProps[ "draw:stroke-linejoin" ] = rGC.GetLineJoinString();
+ aGCProps[ "svg:stroke-linecap" ] = rGC.GetLineCapString();
+ }
+ else
+ {
+ aGCProps[ "draw:stroke" ] = "none";
+ }
+
+ // TODO(F1): check whether stuff could be emulated by gradient/bitmap/hatch
+ if( elem.Action & (PATH_FILL | PATH_EOFILL) )
+ {
+ aGCProps[ "draw:fill" ] = "solid";
+ aGCProps[ "draw:fill-color" ] = getColorString(rGC.FillColor);
+ if (rGC.FillColor.Alpha != 1.0)
+ aGCProps["draw:opacity"] = getPercentString(rGC.FillColor.Alpha * 100.0);
+ }
+ else
+ {
+ aGCProps[ "draw:fill" ] = "none";
+ }
+
+ StyleContainer::Style aStyle( "style:style", std::move(aProps) );
+ StyleContainer::Style aSubStyle( "style:graphic-properties", 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["fo:font-size"] = aFSize;
+ props["style:font-size-asian"] = aFSize;
+ props["style:font-size-complex"] = 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[ "style:family" ] = "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[ "fo:font-family" ] = rFont.familyName;
+ aFontProps[ "style:font-family-asian" ] = rFont.familyName;
+ aFontProps[ "style:font-family-complex" ] = rFont.familyName;
+
+ // bold
+ aFontProps[ "fo:font-weight" ] = rFont.fontWeight;
+ aFontProps[ "style:font-weight-asian" ] = rFont.fontWeight;
+ aFontProps[ "style:font-weight-complex" ] = rFont.fontWeight;
+
+ // italic
+ if( rFont.isItalic )
+ {
+ aFontProps[ "fo:font-style" ] = "italic";
+ aFontProps[ "style:font-style-asian" ] = "italic";
+ aFontProps[ "style:font-style-complex" ] = "italic";
+ }
+
+ // underline
+ if( rFont.isUnderline )
+ {
+ aFontProps[ "style:text-underline-style" ] = "solid";
+ aFontProps[ "style:text-underline-width" ] = "auto";
+ aFontProps[ "style:text-underline-color" ] = "font-color";
+ }
+
+ // outline
+ if( rFont.isOutline )
+ aFontProps[ "style:text-outline" ] = "true";
+
+ // size
+ SetFontsizeProperties(aFontProps, rFont.size);
+
+ // color
+ const GraphicsContext& rGC = m_rProcessor.getGraphicsContext( elem.GCId );
+ aFontProps[ "fo:color" ] = 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[ "style:text-scale" ] = getPercentString(textScale);
+ }
+
+ StyleContainer::Style aStyle( "style:style", std::move(aProps) );
+ StyleContainer::Style aSubStyle( "style:text-properties", 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[ "style:family" ] = "paragraph";
+ // generate standard paragraph style if necessary
+ m_rStyleContainer.getStandardStyleId( "paragraph" );
+
+ PropertyMap aParProps;
+
+ aParProps[ "fo:text-align"] = "start";
+ if (elem.bRtl)
+ aParProps[ "style:writing-mode"] = "rl-tb";
+ else
+ aParProps[ "style:writing-mode"] = "lr-tb";
+
+ StyleContainer::Style aStyle( "style:style", std::move(aProps) );
+ StyleContainer::Style aSubStyle( "style:paragraph-properties", 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[ "style:family" ] = "graphic";
+ props1[ "style:parent-style-name" ] = "standard";
+ // generate standard graphic style if necessary
+ m_rStyleContainer.getStandardStyleId( "graphic" );
+
+ PropertyMap aGCProps;
+
+ aGCProps[ "draw:stroke" ] = "none";
+ aGCProps[ "draw:fill" ] = "none";
+ aGCProps[ "draw:auto-grow-height" ] = "true";
+ aGCProps[ "draw:auto-grow-width" ] = "true";
+ aGCProps[ "draw:textarea-horizontal-align" ] = "left";
+ aGCProps[ "draw:textarea-vertical-align" ] = "top";
+ aGCProps[ "fo:min-height"] = "0cm";
+ aGCProps[ "fo:min-width"] = "0cm";
+ aGCProps[ "fo:padding-top" ] = "0cm";
+ aGCProps[ "fo:padding-left" ] = "0cm";
+ aGCProps[ "fo:padding-right" ] = "0cm";
+ aGCProps[ "fo:padding-bottom" ] = "0cm";
+
+ StyleContainer::Style style1( "style:style", std::move(props1) );
+ StyleContainer::Style subStyle1( "style:graphic-properties", std::move(aGCProps) );
+ style1.SubStyles.push_back(&subStyle1);
+
+ elem.StyleId = m_rStyleContainer.getStyleId(style1);
+
+ if (elem.IsForText)
+ {
+ PropertyMap props2;
+ props2["style:family"] = "paragraph";
+
+ PropertyMap textProps;
+ SetFontsizeProperties(textProps, elem.FontSize);
+
+ StyleContainer::Style style2("style:style", std::move(props2));
+ StyleContainer::Style subStyle2("style:text-properties", 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[ "fo:margin-top" ] = unitMMString( top_margin );
+ aPageLayoutProps[ "fo:margin-bottom" ] = unitMMString( bottom_margin );
+ aPageLayoutProps[ "fo:margin-left" ] = unitMMString( left_margin );
+ aPageLayoutProps[ "fo:margin-right" ] = unitMMString( right_margin );
+ aPageLayoutProps[ "fo:page-width" ] = unitMMString( page_width );
+ aPageLayoutProps[ "fo:page-height" ] = unitMMString( page_height );
+ aPageLayoutProps[ "style:print-orientation" ]= elem.w < elem.h ? std::u16string_view(u"portrait") : std::u16string_view(u"landscape");
+ aPageLayoutProps[ "style:writing-mode" ]= "lr-tb";
+
+ StyleContainer::Style aStyle( "style:page-layout", std::move(aPageProps));
+ StyleContainer::Style aSubStyle( "style:page-layout-properties", 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[ "style:page-layout-name" ] = aMasterPageLayoutName;
+
+ StyleContainer::Style aMPStyle( "style:master-page", 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: */