diff options
Diffstat (limited to 'sdext/source/pdfimport/tree/writertreevisiting.cxx')
| -rw-r--r-- | sdext/source/pdfimport/tree/writertreevisiting.cxx | 1221 |
1 files changed, 0 insertions, 1221 deletions
diff --git a/sdext/source/pdfimport/tree/writertreevisiting.cxx b/sdext/source/pdfimport/tree/writertreevisiting.cxx deleted file mode 100644 index cb80dd2..0000000 --- a/sdext/source/pdfimport/tree/writertreevisiting.cxx +++ /dev/null @@ -1,1221 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_sdext.hxx" - -#include "pdfiprocessor.hxx" -#include "xmlemitter.hxx" -#include "pdfihelper.hxx" -#include "imagecontainer.hxx" -#include "style.hxx" -#include "writertreevisiting.hxx" -#include "genericelements.hxx" - -#include <basegfx/polygon/b2dpolypolygontools.hxx> -#include <basegfx/range/b2drange.hxx> - - -namespace pdfi -{ - -void WriterXmlEmitter::visit( HyperlinkElement& elem, const std::list< Element* >::const_iterator& ) -{ - if( elem.Children.empty() ) - return; - - const char* pType = dynamic_cast<DrawElement*>(elem.Children.front()) ? "draw:a" : "text:a"; - - PropertyMap aProps; - aProps[ USTR( "xlink:type" ) ] = USTR( "simple" ); - aProps[ USTR( "xlink:href" ) ] = elem.URI; - aProps[ USTR( "office:target-frame-name" ) ] = USTR( "_blank" ); - aProps[ USTR( "xlink:show" ) ] = USTR( "new" ); - - m_rEmitContext.rEmitter.beginTag( pType, aProps ); - std::list< Element* >::iterator this_it = elem.Children.begin(); - while( this_it !=elem.Children.end() && *this_it != &elem ) - { - (*this_it)->visitedBy( *this, this_it ); - ++this_it; - } - m_rEmitContext.rEmitter.endTag( pType ); -} - -void WriterXmlEmitter::visit( TextElement& elem, const std::list< Element* >::const_iterator& ) -{ - if( ! elem.Text.getLength() ) - return; - - PropertyMap aProps; - if( elem.StyleId != -1 ) - { - aProps[ rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "text:style-name" ) ) ] = - m_rEmitContext.rStyles.getStyleName( elem.StyleId ); - } - - m_rEmitContext.rEmitter.beginTag( "text:span", aProps ); - m_rEmitContext.rEmitter.write( elem.Text.makeStringAndClear() ); - std::list< Element* >::iterator this_it = elem.Children.begin(); - while( this_it !=elem.Children.end() && *this_it != &elem ) - { - (*this_it)->visitedBy( *this, this_it ); - ++this_it; - } - - m_rEmitContext.rEmitter.endTag( "text:span" ); -} - -void WriterXmlEmitter::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& ) -{ - PropertyMap aProps; - if( elem.StyleId != -1 ) - { - aProps[ USTR( "text:style-name" ) ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId ); - } - const char* pTagType = "text:p"; - if( elem.Type == elem.Headline ) - pTagType = "text:h"; - m_rEmitContext.rEmitter.beginTag( pTagType, aProps ); - - std::list< Element* >::iterator this_it = elem.Children.begin(); - while( this_it !=elem.Children.end() && *this_it != &elem ) - { - (*this_it)->visitedBy( *this, this_it ); - ++this_it; - } - - m_rEmitContext.rEmitter.endTag( pTagType ); -} - -void WriterXmlEmitter::fillFrameProps( DrawElement& rElem, - PropertyMap& rProps, - const EmitContext& rEmitContext ) -{ - double rel_x = rElem.x, rel_y = rElem.y; - - // find anchor type by recursing though parents - Element* pAnchor = rElem.Parent; - while( pAnchor && - ! dynamic_cast<ParagraphElement*>(pAnchor) && - ! dynamic_cast<PageElement*>(pAnchor) ) - { - pAnchor = pAnchor->Parent; - } - if( pAnchor ) - { - if( dynamic_cast<ParagraphElement*>(pAnchor) ) - { - rProps[ USTR( "text:anchor-type" ) ] = - rElem.isCharacter ? USTR( "character" ) : USTR( "paragraph" ); - } - else - { - PageElement* pPage = dynamic_cast<PageElement*>(pAnchor); - rProps[ USTR( "text:anchor-type" ) ] = USTR( "page" ); - rProps[ USTR( "text:anchor-page-number" ) ] = rtl::OUString::valueOf(pPage->PageNumber); - } - rel_x -= pAnchor->x; - rel_y -= pAnchor->y; - } - - rProps[ USTR( "draw:z-index" ) ] = rtl::OUString::valueOf( rElem.ZOrder ); - rProps[ USTR( "draw:style-name" )] = rEmitContext.rStyles.getStyleName( rElem.StyleId ); - rProps[ USTR( "svg:width" ) ] = convertPixelToUnitString( rElem.w ); - rProps[ USTR( "svg:height" ) ] = convertPixelToUnitString( rElem.h ); - - const GraphicsContext& rGC = - rEmitContext.rProcessor.getGraphicsContext( rElem.GCId ); - if( rGC.Transformation.isIdentity() ) - { - if( !rElem.isCharacter ) - { - rProps[ USTR( "svg:x" ) ] = convertPixelToUnitString( rel_x ); - rProps[ USTR( "svg:y" ) ] = convertPixelToUnitString( rel_y ); - } - } - else - { - basegfx::B2DTuple aScale, aTranslation; - double fRotate, fShearX; - - rGC.Transformation.decompose( aScale, aTranslation, fRotate, fShearX ); - - rtl::OUStringBuffer aBuf( 256 ); - - // TODO(F2): general transformation case missing; if implemented, note - // that ODF rotation is oriented the other way - - // build transformation string - if( fShearX != 0.0 ) - { - aBuf.appendAscii( "skewX( " ); - aBuf.append( fShearX ); - aBuf.appendAscii( " )" ); - } - if( fRotate != 0.0 ) - { - if( aBuf.getLength() > 0 ) - aBuf.append( sal_Unicode(' ') ); - aBuf.appendAscii( "rotate( " ); - aBuf.append( -fRotate ); - aBuf.appendAscii( " )" ); - - } - if( ! rElem.isCharacter ) - { - if( aBuf.getLength() > 0 ) - aBuf.append( sal_Unicode(' ') ); - aBuf.appendAscii( "translate( " ); - aBuf.append( convertPixelToUnitString( rel_x ) ); - aBuf.append( sal_Unicode(' ') ); - aBuf.append( convertPixelToUnitString( rel_y ) ); - aBuf.appendAscii( " )" ); - } - - rProps[ USTR( "draw:transform" ) ] = aBuf.makeStringAndClear(); - } -} - -void WriterXmlEmitter::visit( FrameElement& elem, const std::list< Element* >::const_iterator& ) -{ - if( elem.Children.empty() ) - return; - - bool bTextBox = (dynamic_cast<ParagraphElement*>(elem.Children.front()) != NULL); - PropertyMap aFrameProps; - fillFrameProps( elem, aFrameProps, m_rEmitContext ); - m_rEmitContext.rEmitter.beginTag( "draw:frame", aFrameProps ); - if( bTextBox ) - m_rEmitContext.rEmitter.beginTag( "draw:text-box", PropertyMap() ); - - std::list< Element* >::iterator this_it = elem.Children.begin(); - while( this_it !=elem.Children.end() && *this_it != &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 WriterXmlEmitter::visit( PolyPolyElement& elem, const std::list< 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; - 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; - 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; - fillFrameProps( elem, aProps, m_rEmitContext ); - rtl::OUStringBuffer aBuf( 64 ); - aBuf.appendAscii( "0 0 " ); - aBuf.append( convPx2mmPrec2(elem.w)*100.0 ); - aBuf.append( sal_Unicode(' ') ); - aBuf.append( convPx2mmPrec2(elem.h)*100.0 ); - aProps[ USTR( "svg:viewBox" ) ] = aBuf.makeStringAndClear(); - aProps[ USTR( "svg:d" ) ] = basegfx::tools::exportToSvgD( elem.PolyPoly ); - - m_rEmitContext.rEmitter.beginTag( "draw:path", aProps ); - m_rEmitContext.rEmitter.endTag( "draw:path" ); -} - -void WriterXmlEmitter::visit( ImageElement& elem, const std::list< 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 WriterXmlEmitter::visit( PageElement& elem, const std::list< Element* >::const_iterator& ) -{ - if( m_rEmitContext.xStatusIndicator.is() ) - m_rEmitContext.xStatusIndicator->setValue( elem.PageNumber ); - - std::list< Element* >::iterator this_it = elem.Children.begin(); - while( this_it !=elem.Children.end() && *this_it != &elem ) - { - (*this_it)->visitedBy( *this, this_it ); - ++this_it; - } -} - -void WriterXmlEmitter::visit( DocumentElement& elem, const std::list< Element* >::const_iterator&) -{ - m_rEmitContext.rEmitter.beginTag( "office:body", PropertyMap() ); - m_rEmitContext.rEmitter.beginTag( "office:text", PropertyMap() ); - - for( std::list< Element* >::iterator it = elem.Children.begin(); it != elem.Children.end(); ++it ) - { - PageElement* pPage = dynamic_cast<PageElement*>(*it); - if( pPage ) - { - // emit only page anchored objects - // currently these are only DrawElement types - for( std::list< Element* >::iterator child_it = pPage->Children.begin(); child_it != pPage->Children.end(); ++child_it ) - { - if( dynamic_cast<DrawElement*>(*child_it) != NULL ) - (*child_it)->visitedBy( *this, child_it ); - } - } - } - - // do not emit page anchored objects, they are emitted before - // (must precede all pages in writer document) currently these are - // only DrawElement types - for( std::list< Element* >::iterator it = elem.Children.begin(); it != elem.Children.end(); ++it ) - { - if( dynamic_cast<DrawElement*>(*it) == NULL ) - (*it)->visitedBy( *this, it ); - } - - m_rEmitContext.rEmitter.endTag( "office:text" ); - m_rEmitContext.rEmitter.endTag( "office:body" ); -} - -///////////////////////////////////////////////////////////////// - -void WriterXmlOptimizer::visit( HyperlinkElement&, const std::list< Element* >::const_iterator& ) -{ -} - -void WriterXmlOptimizer::visit( TextElement&, const std::list< Element* >::const_iterator&) -{ -} - -void WriterXmlOptimizer::visit( FrameElement& elem, const std::list< Element* >::const_iterator& ) -{ - elem.applyToChildren(*this); -} - -void WriterXmlOptimizer::visit( ImageElement&, const std::list< Element* >::const_iterator& ) -{ -} - -void WriterXmlOptimizer::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& ) -{ - /* 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 ) - { - // find following PolyPolyElement in parent's children list - std::list< Element* >::iterator this_it = elem.Parent->Children.begin(); - while( this_it != elem.Parent->Children.end() && *this_it != &elem ) - ++this_it; - - if( this_it != elem.Parent->Children.end() ) - { - std::list< Element* >::iterator next_it = this_it; - if( ++next_it != elem.Parent->Children.end() ) - { - PolyPolyElement* pNext = dynamic_cast<PolyPolyElement*>(*next_it); - if( pNext && pNext->PolyPoly == elem.PolyPoly ) - { - 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 && - pNext->Action == PATH_STROKE && - (elem.Action == PATH_FILL || elem.Action == PATH_EOFILL) ) - { - 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 ); - delete pNext; - } - } - } - } - } -} - -void WriterXmlOptimizer::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& rParentIt) -{ - optimizeTextElements( elem ); - - elem.applyToChildren(*this); - - if( elem.Parent && rParentIt != elem.Parent->Children.end() ) - { - // find if there is a previous paragraph that might be a heading for this one - std::list<Element*>::const_iterator prev = rParentIt; - ParagraphElement* pPrevPara = NULL; - while( prev != elem.Parent->Children.begin() ) - { - --prev; - pPrevPara = dynamic_cast< ParagraphElement* >(*prev); - if( pPrevPara ) - { - /* What constitutes a heading ? current hints are: - * - one line only - * - not too far away from this paragraph (two heading height max ?) - * - font larger or bold - * this is of course incomplete - * FIXME: improve hints for heading - */ - // check for single line - if( pPrevPara->isSingleLined( m_rProcessor ) ) - { - double head_line_height = pPrevPara->getLineHeight( m_rProcessor ); - if( pPrevPara->y + pPrevPara->h + 2*head_line_height > elem.y ) - { - // check for larger font - if( head_line_height > elem.getLineHeight( m_rProcessor ) ) - { - pPrevPara->Type = elem.Headline; - } - else - { - // check whether text of pPrevPara is bold (at least first text element) - // and this para is not bold (dito) - TextElement* pPrevText = pPrevPara->getFirstTextChild(); - TextElement* pThisText = elem.getFirstTextChild(); - if( pPrevText && pThisText ) - { - const FontAttributes& rPrevFont = m_rProcessor.getFont( pPrevText->FontId ); - const FontAttributes& rThisFont = m_rProcessor.getFont( pThisText->FontId ); - if( rPrevFont.isBold && ! rThisFont.isBold ) - pPrevPara->Type = elem.Headline; - } - } - } - } - break; - } - } - } -} - -void WriterXmlOptimizer::visit( PageElement& elem, const std::list< 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 - m_rProcessor.sortElements( &elem ); - - // find paragraphs in text - ParagraphElement* pCurPara = NULL; - std::list< 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); - if( pPagePara ) - { - pCurPara = pPagePara; - // adjust line height and text items - fCurLineHeight = 0.0; - nCurLineElements = 0; - for( std::list< Element* >::iterator it = pCurPara->Children.begin(); - it != pCurPara->Children.end(); ++it ) - { - TextElement* pTestText = dynamic_cast<TextElement*>(*it); - if( pTestText ) - { - fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pTestText->h)/double(nCurLineElements+1); - nCurLineElements++; - } - } - continue; - } - - HyperlinkElement* pLink = dynamic_cast<HyperlinkElement*>(*page_element); - DrawElement* pDraw = dynamic_cast<DrawElement*>(*page_element); - if( ! pDraw && pLink && ! pLink->Children.empty() ) - pDraw = dynamic_cast<DrawElement*>(pLink->Children.front() ); - 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); - if( ! pText ) - { - ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(*next_page_element); - if( pPara && ! pPara->Children.empty() ) - pText = dynamic_cast<TextElement*>(pPara->Children.front()); - } - 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 = NULL; - // mark draw element as character - pDraw->isCharacter = true; - } - } - - if( ! bInsertToParagraph ) - { - pCurPara = NULL; - continue; - } - } - - TextElement* pText = dynamic_cast<TextElement*>(*page_element); - if( ! pText && pLink && ! pLink->Children.empty() ) - pText = dynamic_cast<TextElement*>(pLink->Children.front()); - 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 = NULL; // 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 = NULL; - // or the last line was significantly smaller than the column width - else if( (line_right - line_left) < column_width*0.75 ) - pCurPara = NULL; - } - } - } - // 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 = m_rProcessor.getElementFactory()->createParagraphElement( NULL ); - // set parent - pCurPara->Parent = &elem; - //insert new paragraph before current element - page_element = elem.Children.insert( page_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; - pCurEle->setParent( page_element, pCurPara ); - OSL_ENSURE( !pText || pCurEle == pText || pCurEle == pLink, "paragraph child list in disorder" ); - if( pText || pDraw ) - pCurPara->updateGeometryWith( pCurEle ); - } - - // process children - elem.applyToChildren(*this); - - // find possible header and footer - checkHeaderAndFooter( elem ); -} - -void WriterXmlOptimizer::checkHeaderAndFooter( PageElement& rElem ) -{ - /* indicators for a header: - * - single line paragrah at top of page ( inside 15% page height) - * - at least linheight above the next paragr aph - * - * indicators for a footer likewise: - * - single line paragraph at bottom of page (inside 15% page height) - * - at least lineheight below the previous paragraph - */ - - // detect header - // Note: the following assumes that the pages' chiuldren have been - // sorted geometrically - std::list< Element* >::iterator it = rElem.Children.begin(); - while( it != rElem.Children.end() ) - { - ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(*it); - if( pPara ) - { - if( pPara->y+pPara->h < rElem.h*0.15 && pPara->isSingleLined( m_rProcessor ) ) - { - std::list< Element* >::iterator next_it = it; - ParagraphElement* pNextPara = NULL; - while( ++next_it != rElem.Children.end() && pNextPara == NULL ) - { - pNextPara = dynamic_cast<ParagraphElement*>(*next_it); - } - if( pNextPara && pNextPara->y > pPara->y+pPara->h*2 ) - { - rElem.HeaderElement = pPara; - pPara->Parent = NULL; - rElem.Children.remove( pPara ); - } - } - break; - } - ++it; - } - - // detect footer - std::list< Element* >::reverse_iterator rit = rElem.Children.rbegin(); - while( rit != rElem.Children.rend() ) - { - ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(*rit); - if( pPara ) - { - if( pPara->y > rElem.h*0.85 && pPara->isSingleLined( m_rProcessor ) ) - { - std::list< Element* >::reverse_iterator next_it = rit; - ParagraphElement* pNextPara = NULL; - while( ++next_it != rElem.Children.rend() && pNextPara == NULL ) - { - pNextPara = dynamic_cast<ParagraphElement*>(*next_it); - } - if( pNextPara && pNextPara->y < pPara->y-pPara->h*2 ) - { - rElem.FooterElement = pPara; - pPara->Parent = NULL; - rElem.Children.remove( pPara ); - } - } - break; - } - ++rit; - } -} - -void WriterXmlOptimizer::optimizeTextElements(Element& rParent) -{ - if( rParent.Children.empty() ) // this should not happen - { - OSL_FAIL( "empty paragraph optimized" ); - return; - } - - // concatenate child elements with same font id - std::list< Element* >::iterator next = rParent.Children.begin(); - std::list< Element* >::iterator it = next++; - FrameElement* pFrame = dynamic_cast<FrameElement*>(rParent.Parent); - bool bRotatedFrame = false; - if( pFrame ) - { - const GraphicsContext& rFrameGC = m_rProcessor.getGraphicsContext( pFrame->GCId ); - if( rFrameGC.isRotatedOrSkewed() ) - bRotatedFrame = true; - } - while( next != rParent.Children.end() ) - { - bool bConcat = false; - TextElement* pCur = dynamic_cast<TextElement*>(*it); - if( pCur ) - { - TextElement* pNext = dynamic_cast<TextElement*>(*next); - if( pNext ) - { - const GraphicsContext& rCurGC = m_rProcessor.getGraphicsContext( pCur->GCId ); - const GraphicsContext& rNextGC = m_rProcessor.getGraphicsContext( pNext->GCId ); - - // line and space optimization; works only in strictly horizontal mode - - if( !bRotatedFrame - && ! rCurGC.isRotatedOrSkewed() - && ! rNextGC.isRotatedOrSkewed() - && pNext->Text.charAt( 0 ) != sal_Unicode(' ') - && pCur->Text.getLength() > 0 - && pCur->Text.charAt( pCur->Text.getLength()-1 ) != sal_Unicode(' ') - ) - { - // check for new line in paragraph - if( pNext->y > pCur->y+pCur->h ) - { - // new line begins - // check whether a space would should be inserted or a hyphen removed - sal_Unicode aLastCode = pCur->Text.charAt( pCur->Text.getLength()-1 ); - if( aLastCode == '-' - || aLastCode == 0x2010 - || (aLastCode >= 0x2012 && aLastCode <= 0x2015) - || aLastCode == 0xff0d - ) - { - // cut a hyphen - pCur->Text.setLength( pCur->Text.getLength()-1 ); - } - // append a space unless there is a non breaking hyphen - else if( aLastCode != 0x2011 ) - { - pCur->Text.append( sal_Unicode( ' ' ) ); - } - } - else // we're continuing the same line - { - // check whether a space would should be inserted - // check for a small horizontal offset - if( pCur->x + pCur->w + pNext->h*0.15 < pNext->x ) - { - pCur->Text.append( sal_Unicode(' ') ); - } - } - } - // concatenate consecutive text elements unless there is a - // font or text color or matrix change, leave a new span in that case - if( pCur->FontId == pNext->FontId && - rCurGC.FillColor.Red == rNextGC.FillColor.Red && - rCurGC.FillColor.Green == rNextGC.FillColor.Green && - rCurGC.FillColor.Blue == rNextGC.FillColor.Blue && - rCurGC.FillColor.Alpha == rNextGC.FillColor.Alpha && - rCurGC.Transformation == rNextGC.Transformation - ) - { - pCur->updateGeometryWith( pNext ); - // append text to current element - pCur->Text.append( pNext->Text.getStr(), pNext->Text.getLength() ); - // 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 ); - delete pNext; - bConcat = true; - } - } - } - else if( dynamic_cast<HyperlinkElement*>(*it) ) - optimizeTextElements( **it ); - if( bConcat ) - { - next = it; - ++next; - } - else - { - ++it; - ++next; - } - } -} - -void WriterXmlOptimizer::visit( DocumentElement& elem, const std::list< Element* >::const_iterator&) -{ - elem.applyToChildren(*this); -} - -////////////////////////////////////////////////////////////////////////////////// - - -void WriterXmlFinalizer::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& ) -{ - // xxx TODO copied from DrawElement - const GraphicsContext& rGC = m_rProcessor.getGraphicsContext(elem.GCId ); - PropertyMap aProps; - aProps[ USTR( "style:family" ) ] = USTR( "graphic" ); - - PropertyMap aGCProps; - - // TODO(F3): proper dash emulation - if( elem.Action & PATH_STROKE ) - { - aGCProps[ USTR("draw:stroke") ] = rGC.DashArray.empty() ? USTR("solid") : USTR("dash"); - aGCProps[ USTR("svg:stroke-color") ] = getColorString( rGC.LineColor ); - if( rGC.LineWidth != 0.0 ) - { - ::basegfx::B2DVector aVec(rGC.LineWidth,0); - aVec *= rGC.Transformation; - - aVec.setX ( convPx2mmPrec2( aVec.getX() )*100.0 ); - aVec.setY ( convPx2mmPrec2( aVec.getY() )*100.0 ); - - aGCProps[ USTR("svg:stroke-width") ] = rtl::OUString::valueOf( aVec.getLength() ); - } - } - else - { - aGCProps[ USTR("draw:stroke") ] = USTR("none"); - } - - // TODO(F1): check whether stuff could be emulated by gradient/bitmap/hatch - if( elem.Action & (PATH_FILL | PATH_EOFILL) ) - { - aGCProps[ USTR("draw:fill") ] = USTR("solid"); - aGCProps[ USTR("draw:fill-color") ] = getColorString( rGC.FillColor ); - } - else - { - aGCProps[ USTR("draw:fill") ] = USTR("none"); - } - - StyleContainer::Style aStyle( "style:style", aProps ); - StyleContainer::Style aSubStyle( "style:graphic-properties", aGCProps ); - aStyle.SubStyles.push_back( &aSubStyle ); - - elem.StyleId = m_rStyleContainer.getStyleId( aStyle ); -} - -void WriterXmlFinalizer::visit( HyperlinkElement&, const std::list< Element* >::const_iterator& ) -{ -} - -void WriterXmlFinalizer::visit( TextElement& elem, const std::list< Element* >::const_iterator& ) -{ - const FontAttributes& rFont = m_rProcessor.getFont( elem.FontId ); - PropertyMap aProps; - aProps[ USTR( "style:family" ) ] = USTR( "text" ); - - PropertyMap aFontProps; - - // family name - aFontProps[ USTR( "fo:font-family" ) ] = rFont.familyName; - // bold - if( rFont.isBold ) - { - aFontProps[ USTR( "fo:font-weight" ) ] = USTR( "bold" ); - aFontProps[ USTR( "fo:font-weight-asian" ) ] = USTR( "bold" ); - aFontProps[ USTR( "fo:font-weight-complex" ) ] = USTR( "bold" ); - } - // italic - if( rFont.isItalic ) - { - aFontProps[ USTR( "fo:font-style" ) ] = USTR( "italic" ); - aFontProps[ USTR( "fo:font-style-asian" ) ] = USTR( "italic" ); - aFontProps[ USTR( "fo:font-style-complex" ) ] = USTR( "italic" ); - } - // underline - if( rFont.isUnderline ) - { - aFontProps[ USTR( "style:text-underline-style" ) ] = USTR( "solid" ); - aFontProps[ USTR( "style:text-underline-width" ) ] = USTR( "auto" ); - aFontProps[ USTR( "style:text-underline-color" ) ] = USTR( "font-color" ); - } - // outline - if( rFont.isOutline ) - { - aFontProps[ USTR( "style:text-outline" ) ] = USTR( "true" ); - } - // size - rtl::OUStringBuffer aBuf( 32 ); - aBuf.append( rFont.size*72/PDFI_OUTDEV_RESOLUTION ); - aBuf.appendAscii( "pt" ); - rtl::OUString aFSize = aBuf.makeStringAndClear(); - aFontProps[ USTR( "fo:font-size" ) ] = aFSize; - aFontProps[ USTR( "style:font-size-asian" ) ] = aFSize; - aFontProps[ USTR( "style:font-size-complex" ) ] = aFSize; - // color - const GraphicsContext& rGC = m_rProcessor.getGraphicsContext( elem.GCId ); - aFontProps[ USTR( "fo:color" ) ] = getColorString( rFont.isOutline ? rGC.LineColor : rGC.FillColor ); - - StyleContainer::Style aStyle( "style:style", aProps ); - StyleContainer::Style aSubStyle( "style:text-properties", aFontProps ); - aStyle.SubStyles.push_back( &aSubStyle ); - elem.StyleId = m_rStyleContainer.getStyleId( aStyle ); -} - -void WriterXmlFinalizer::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& rParentIt ) -{ - PropertyMap aParaProps; - - if( elem.Parent ) - { - // check for center alignement - // criterion: paragraph is small relative to parent and distributed around its center - double p_x = elem.Parent->x; - double p_y = elem.Parent->y; - double p_w = elem.Parent->w; - double p_h = elem.Parent->h; - - PageElement* pPage = dynamic_cast<PageElement*>(elem.Parent); - if( pPage ) - { - p_x += pPage->LeftMargin; - p_y += pPage->TopMargin; - p_w -= pPage->LeftMargin+pPage->RightMargin; - p_h -= pPage->TopMargin+pPage->BottomMargin; - } - bool bIsCenter = false; - if( elem.w < ( p_w/2) ) - { - double delta = elem.w/4; - // allow very small paragraphs to deviate a little more - // relative to parent's center - if( elem.w < p_w/8 ) - delta = elem.w; - if( fabs( elem.x+elem.w/2 - ( p_x+ p_w/2) ) < delta || - (pPage && fabs( elem.x+elem.w/2 - (pPage->x + pPage->w/2) ) < delta) ) - { - bIsCenter = true; - aParaProps[ USTR( "fo:text-align" ) ] = USTR( "center" ); - } - } - if( ! bIsCenter && elem.x > p_x + p_w/10 ) - { - // indent - rtl::OUStringBuffer aBuf( 32 ); - aBuf.append( convPx2mm( elem.x - p_x ) ); - aBuf.appendAscii( "mm" ); - aParaProps[ USTR( "fo:margin-left" ) ] = aBuf.makeStringAndClear(); - } - - // check whether to leave some space to next paragraph - // find wether there is a next paragraph - std::list< Element* >::const_iterator it = rParentIt; - const ParagraphElement* pNextPara = NULL; - while( ++it != elem.Parent->Children.end() && ! pNextPara ) - pNextPara = dynamic_cast< const ParagraphElement* >(*it); - if( pNextPara ) - { - if( pNextPara->y - (elem.y+elem.h) > convmm2Px( 10 ) ) - { - rtl::OUStringBuffer aBuf( 32 ); - aBuf.append( convPx2mm( pNextPara->y - (elem.y+elem.h) ) ); - aBuf.appendAscii( "mm" ); - aParaProps[ USTR( "fo:margin-bottom" ) ] = aBuf.makeStringAndClear(); - } - } - } - - if( ! aParaProps.empty() ) - { - PropertyMap aProps; - aProps[ USTR( "style:family" ) ] = USTR( "paragraph" ); - StyleContainer::Style aStyle( "style:style", aProps ); - StyleContainer::Style aSubStyle( "style:paragraph-properties", aParaProps ); - aStyle.SubStyles.push_back( &aSubStyle ); - elem.StyleId = m_rStyleContainer.getStyleId( aStyle ); - } - - elem.applyToChildren(*this); -} - -void WriterXmlFinalizer::visit( FrameElement& elem, const std::list< Element* >::const_iterator&) -{ - PropertyMap aProps; - aProps[ USTR( "style:family" ) ] = USTR( "graphic" ); - - PropertyMap aGCProps; - - aGCProps[ USTR("draw:stroke") ] = USTR("none"); - aGCProps[ USTR("draw:fill") ] = USTR("none"); - - StyleContainer::Style aStyle( "style:style", aProps ); - StyleContainer::Style aSubStyle( "style:graphic-properties", aGCProps ); - aStyle.SubStyles.push_back( &aSubStyle ); - - elem.StyleId = m_rStyleContainer.getStyleId( aStyle ); - elem.applyToChildren(*this); -} - -void WriterXmlFinalizer::visit( ImageElement&, const std::list< Element* >::const_iterator& ) -{ -} - -void WriterXmlFinalizer::setFirstOnPage( ParagraphElement& rElem, - StyleContainer& rStyles, - const rtl::OUString& rMasterPageName ) -{ - PropertyMap aProps; - if( rElem.StyleId != -1 ) - { - const PropertyMap* pProps = rStyles.getProperties( rElem.StyleId ); - if( pProps ) - aProps = *pProps; - } - - aProps[ USTR( "style:family" ) ] = USTR( "paragraph" ); - aProps[ USTR( "style:master-page-name" ) ] = rMasterPageName; - - if( rElem.StyleId != -1 ) - rElem.StyleId = rStyles.setProperties( rElem.StyleId, aProps ); - else - { - StyleContainer::Style aStyle( "style:style", aProps ); - rElem.StyleId = rStyles.getStyleId( aStyle ); - } -} - -void WriterXmlFinalizer::visit( PageElement& elem, const std::list< Element* >::const_iterator& ) -{ - if( m_rProcessor.getStatusIndicator().is() ) - m_rProcessor.getStatusIndicator()->setValue( elem.PageNumber ); - - // transform from pixel to mm - double page_width = convPx2mm( elem.w ), page_height = convPx2mm( elem.h ); - - // calculate page margins out of the relevant children (paragraphs) - elem.TopMargin = elem.h, elem.BottomMargin = 0, elem.LeftMargin = elem.w, elem.RightMargin = 0; - // first element should be a paragraphy - ParagraphElement* pFirstPara = NULL; - for( std::list< Element* >::const_iterator it = elem.Children.begin(); it != elem.Children.end(); ++it ) - { - if( dynamic_cast<ParagraphElement*>( *it ) ) - { - if( (*it)->x < elem.LeftMargin ) - elem.LeftMargin = (*it)->x; - if( (*it)->y < elem.TopMargin ) - elem.TopMargin = (*it)->y; - if( (*it)->x + (*it)->w > elem.w - elem.RightMargin ) - elem.RightMargin = elem.w - ((*it)->x + (*it)->w); - if( (*it)->y + (*it)->h > elem.h - elem.BottomMargin ) - elem.BottomMargin = elem.h - ((*it)->y + (*it)->h); - if( ! pFirstPara ) - pFirstPara = dynamic_cast<ParagraphElement*>( *it ); - } - } - if( elem.HeaderElement && elem.HeaderElement->y < elem.TopMargin ) - elem.TopMargin = elem.HeaderElement->y; - if( elem.FooterElement && elem.FooterElement->y+elem.FooterElement->h > elem.h - elem.BottomMargin ) - elem.BottomMargin = elem.h - (elem.FooterElement->y + elem.FooterElement->h); - - // transform margins to mm - double left_margin = convPx2mm( elem.LeftMargin ); - double right_margin = convPx2mm( elem.RightMargin ); - double top_margin = convPx2mm( elem.TopMargin ); - double bottom_margin = convPx2mm( elem.BottomMargin ); - if( ! pFirstPara ) - { - // use default page margins - left_margin = 10; - right_margin = 10; - top_margin = 10; - bottom_margin = 10; - } - - // round left/top margin to nearest mm - left_margin = rtl_math_round( left_margin, 0, rtl_math_RoundingMode_Floor ); - top_margin = rtl_math_round( top_margin, 0, rtl_math_RoundingMode_Floor ); - // round (fuzzy) right/bottom margin to nearest cm - right_margin = rtl_math_round( right_margin, right_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor ); - bottom_margin = rtl_math_round( bottom_margin, bottom_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor ); - - // set reasonable default in case of way too large margins - // e.g. no paragraph case - if( left_margin > page_width/2.0 - 10 ) - left_margin = 10; - if( right_margin > page_width/2.0 - 10 ) - right_margin = 10; - if( top_margin > page_height/2.0 - 10 ) - top_margin = 10; - if( bottom_margin > page_height/2.0 - 10 ) - bottom_margin = 10; - - // catch the weird cases - if( left_margin < 0 ) - left_margin = 0; - if( right_margin < 0 ) - right_margin = 0; - if( top_margin < 0 ) - top_margin = 0; - if( bottom_margin < 0 ) - bottom_margin = 0; - - // widely differing margins are unlikely to be correct - if( right_margin > left_margin*1.5 ) - right_margin = left_margin; - - elem.LeftMargin = convmm2Px( left_margin ); - elem.RightMargin = convmm2Px( right_margin ); - elem.TopMargin = convmm2Px( top_margin ); - elem.BottomMargin = convmm2Px( bottom_margin ); - - // get styles for paragraphs - PropertyMap aPageProps; - PropertyMap aPageLayoutProps; - rtl::OUStringBuffer aBuf( 64 ); - aPageLayoutProps[ USTR( "fo:page-width" ) ] = unitMMString( page_width ); - aPageLayoutProps[ USTR( "fo:page-height" ) ] = unitMMString( page_height ); - aPageLayoutProps[ USTR( "style:print-orientation" ) ] - = elem.w < elem.h ? USTR( "portrait" ) : USTR( "landscape" ); - aPageLayoutProps[ USTR( "fo:margin-top" ) ] = unitMMString( top_margin ); - aPageLayoutProps[ USTR( "fo:margin-bottom" ) ] = unitMMString( bottom_margin ); - aPageLayoutProps[ USTR( "fo:margin-left" ) ] = unitMMString( left_margin ); - aPageLayoutProps[ USTR( "fo:margin-right" ) ] = unitMMString( right_margin ); - aPageLayoutProps[ USTR( "style:writing-mode" ) ]= USTR( "lr-tb" ); - - StyleContainer::Style aStyle( "style:page-layout", aPageProps); - StyleContainer::Style aSubStyle( "style:page-layout-properties", aPageLayoutProps); - aStyle.SubStyles.push_back(&aSubStyle); - sal_Int32 nPageStyle = m_rStyleContainer.impl_getStyleId( aStyle, false ); - - // create master page - rtl::OUString aMasterPageLayoutName = m_rStyleContainer.getStyleName( nPageStyle ); - aPageProps[ USTR( "style:page-layout-name" ) ] = aMasterPageLayoutName; - StyleContainer::Style aMPStyle( "style:master-page", aPageProps ); - StyleContainer::Style aHeaderStyle( "style:header", PropertyMap() ); - StyleContainer::Style aFooterStyle( "style:footer", PropertyMap() ); - if( elem.HeaderElement ) - { - elem.HeaderElement->visitedBy( *this, std::list<Element*>::iterator() ); - aHeaderStyle.ContainedElement = elem.HeaderElement; - aMPStyle.SubStyles.push_back( &aHeaderStyle ); - } - if( elem.FooterElement ) - { - elem.FooterElement->visitedBy( *this, std::list<Element*>::iterator() ); - aFooterStyle.ContainedElement = elem.FooterElement; - aMPStyle.SubStyles.push_back( &aFooterStyle ); - } - elem.StyleId = m_rStyleContainer.impl_getStyleId( aMPStyle,false ); - - - rtl::OUString aMasterPageName = m_rStyleContainer.getStyleName( elem.StyleId ); - - // create styles for children - elem.applyToChildren(*this); - - // no paragraph or other elements before the first paragraph - if( ! pFirstPara ) - { - pFirstPara = m_rProcessor.getElementFactory()->createParagraphElement( NULL ); - pFirstPara->Parent = &elem; - elem.Children.push_front( pFirstPara ); - } - setFirstOnPage(*pFirstPara, m_rStyleContainer, aMasterPageName); -} - -void WriterXmlFinalizer::visit( DocumentElement& elem, const std::list< Element* >::const_iterator& ) -{ - elem.applyToChildren(*this); -} - -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |