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Diffstat (limited to 'sdext/source/pdfimport/tree/pdfiprocessor.cxx')
| -rw-r--r-- | sdext/source/pdfimport/tree/pdfiprocessor.cxx | 1050 |
1 files changed, 1050 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/tree/pdfiprocessor.cxx b/sdext/source/pdfimport/tree/pdfiprocessor.cxx new file mode 100644 index 000000000000..997ede16f454 --- /dev/null +++ b/sdext/source/pdfimport/tree/pdfiprocessor.cxx @@ -0,0 +1,1050 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: pdfiprocessor.cxx,v $ + * + * $Revision: 1.3.4.1 $ + * + * 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 "genericelements.hxx" +#include "style.hxx" +#include "treevisiting.hxx" + +#include <rtl/string.hxx> +#include <rtl/strbuf.hxx> + +#include <comphelper/sequence.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <basegfx/polygon/b2dpolygonclipper.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/tools/canvastools.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/range/b2irange.hxx> +#include <basegfx/range/b2drectangle.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> + +#include <com/sun/star/rendering/XVolatileBitmap.hpp> +#include <com/sun/star/geometry/RealSize2D.hpp> +#include <com/sun/star/geometry/RealPoint2D.hpp> +#include <com/sun/star/geometry/RealRectangle2D.hpp> + + +using namespace com::sun::star; + + +namespace pdfi +{ + + PDFIProcessor::PDFIProcessor( const uno::Reference< task::XStatusIndicator >& xStat ) : + fYPrevTextPosition(-10000.0), + fPrevTextHeight(0.0), + fXPrevTextPosition(0.0), + fPrevTextWidth(0.0), + m_pElFactory( new ElementFactory() ), + m_pDocument( m_pElFactory->createDocumentElement() ), + m_pCurPage(0), + m_pCurElement(0), + m_nNextFontId( 1 ), + m_aIdToFont(), + m_aFontToId(), + m_aGCStack(), + m_nNextGCId( 1 ), + m_aIdToGC(), + m_aGCToId(), + m_aImages(), + m_eTextDirection( LrTb ), + m_nPages(0), + m_nNextZOrder( 1 ), + m_fWordSpace(0.0), + m_bIsWhiteSpaceInLine( false ), + m_xStatusIndicator( xStat ), + m_bHaveTextOnDocLevel(false) +{ + FontAttributes aDefFont; + aDefFont.familyName = USTR("Helvetica"); + aDefFont.isBold = false; + aDefFont.isItalic = false; + aDefFont.size = 10*PDFI_OUTDEV_RESOLUTION/72; + m_aIdToFont[ 0 ] = aDefFont; + m_aFontToId[ aDefFont ] = 0; + + GraphicsContext aDefGC; + m_aGCStack.push_back( aDefGC ); + m_aIdToGC[ 0 ] = aDefGC; + m_aGCToId[ aDefGC ] = 0; +} + +void PDFIProcessor::enableToplevelText() +{ + m_bHaveTextOnDocLevel = true; +} + +void PDFIProcessor::setPageNum( sal_Int32 nPages ) +{ + m_nPages = nPages; +} + + +void PDFIProcessor::pushState() +{ + m_aGCStack.push_back( m_aGCStack.back() ); +} + +void PDFIProcessor::popState() +{ + m_aGCStack.pop_back(); +} + +void PDFIProcessor::setFlatness( double value ) +{ + getCurrentContext().Flatness = value; +} + +void PDFIProcessor::setTransformation( const geometry::AffineMatrix2D& rMatrix ) +{ + basegfx::unotools::homMatrixFromAffineMatrix( + getCurrentContext().Transformation, + rMatrix ); +} + +void PDFIProcessor::setLineDash( const uno::Sequence<double>& dashes, + double /*start*/ ) +{ + // TODO(F2): factor in start offset + GraphicsContext& rContext( getCurrentContext() ); + comphelper::sequenceToContainer(rContext.DashArray,dashes); +} + +void PDFIProcessor::setLineJoin(sal_Int8 nJoin) +{ + getCurrentContext().LineJoin = nJoin; +} + +void PDFIProcessor::setLineCap(sal_Int8 nCap) +{ + getCurrentContext().LineCap = nCap; +} + +void PDFIProcessor::setMiterLimit(double) +{ + OSL_TRACE("PDFIProcessor::setMiterLimit(): not supported by ODF"); +} + +void PDFIProcessor::setLineWidth(double nWidth) +{ + getCurrentContext().LineWidth = nWidth; +} + +void PDFIProcessor::setFillColor( const rendering::ARGBColor& rColor ) +{ + getCurrentContext().FillColor = rColor; +} + +void PDFIProcessor::setStrokeColor( const rendering::ARGBColor& rColor ) +{ + getCurrentContext().LineColor = rColor; +} + +void PDFIProcessor::setBlendMode(sal_Int8) +{ + OSL_TRACE("PDFIProcessor::setBlendMode(): not supported by ODF"); +} + +void PDFIProcessor::setFont( const FontAttributes& i_rFont ) +{ + FontAttributes aChangedFont( i_rFont ); + GraphicsContext& rGC=getCurrentContext(); + // for text render modes, please see PDF reference manual + aChangedFont.isOutline = ( (rGC.TextRenderMode == 1) || (rGC. TextRenderMode == 2) ); + FontToIdMap::const_iterator it = m_aFontToId.find( aChangedFont ); + if( it != m_aFontToId.end() ) + rGC.FontId = it->second; + else + { + m_aFontToId[ aChangedFont ] = m_nNextFontId; + m_aIdToFont[ m_nNextFontId ] = aChangedFont; + rGC.FontId = m_nNextFontId; + m_nNextFontId++; + } +} + +void PDFIProcessor::setTextRenderMode( sal_Int32 i_nMode ) +{ + GraphicsContext& rGC=getCurrentContext(); + rGC.TextRenderMode = i_nMode; + IdToFontMap::iterator it = m_aIdToFont.find( rGC.FontId ); + if( it != m_aIdToFont.end() ) + setFont( it->second ); +} + +sal_Int32 PDFIProcessor::getFontId( const FontAttributes& rAttr ) const +{ + const sal_Int32 nCurFont = getCurrentContext().FontId; + const_cast<PDFIProcessor*>(this)->setFont( rAttr ); + const sal_Int32 nFont = getCurrentContext().FontId; + const_cast<PDFIProcessor*>(this)->getCurrentContext().FontId = nCurFont; + + return nFont; +} + +// line diagnose block - start +void PDFIProcessor::processGlyphLine() +{ + if( m_GlyphsList.size()<1 ) + return; + + double fPreAvarageSpaceValue= 0.0; + double fAvarageDiffCharSpaceValue= 0.0; + double fMinPreSpaceValue= 0.0; + double fMaxPreSpaceValue= 0.0; + double fNullSpaceBreakerAvaregeSpaceValue = 0.0; + + unsigned int nSpaceCount( 0 ); + unsigned int nDiffSpaceCount( 0 ); + unsigned int nNullSpaceBreakerCount=0; + bool preSpaceNull(true); + + for ( unsigned int i=0; i<m_GlyphsList.size()-1; i++ ) // i=1 because the first glyph doesn't have a prevGlyphSpace value + { + if( m_GlyphsList[i].getPrevGlyphsSpace()>0.0 ) + { + if( fMinPreSpaceValue>m_GlyphsList[i].getPrevGlyphsSpace() ) + fMinPreSpaceValue=m_GlyphsList[i].getPrevGlyphsSpace(); + + if( fMaxPreSpaceValue<m_GlyphsList[i].getPrevGlyphsSpace() ) + fMaxPreSpaceValue=m_GlyphsList[i].getPrevGlyphsSpace(); + + fPreAvarageSpaceValue+= m_GlyphsList[i].getPrevGlyphsSpace(); + nSpaceCount++; + } + } + + if( nSpaceCount!=0 ) + fPreAvarageSpaceValue= fPreAvarageSpaceValue/( nSpaceCount ); + + for ( unsigned int i=0; i<m_GlyphsList.size()-1; i++ ) // i=1 because the first glyph doesn't have a prevGlyphSpace value + { + if ( m_GlyphsList[i].getPrevGlyphsSpace()==0.0 ) + { + if ( + ( m_GlyphsList[i+1].getPrevGlyphsSpace()>0.0)&& + ( fPreAvarageSpaceValue>m_GlyphsList[i+1].getPrevGlyphsSpace()) + ) + { + fNullSpaceBreakerAvaregeSpaceValue+=m_GlyphsList[i+1].getPrevGlyphsSpace(); + nNullSpaceBreakerCount++; + } + } + } + + if( ( fNullSpaceBreakerAvaregeSpaceValue!= 0.0 )&& + ( fNullSpaceBreakerAvaregeSpaceValue < fPreAvarageSpaceValue ) + ) + { + fPreAvarageSpaceValue = fNullSpaceBreakerAvaregeSpaceValue; + } + + for ( unsigned int i=0; i<m_GlyphsList.size()-1; i++ ) // i=1 cose the first Glypth dont have prevGlyphSpace value + { + if ( ( m_GlyphsList[i].getPrevGlyphsSpace()>0.0 ) + ) + { + if ( + ( m_GlyphsList[i].getPrevGlyphsSpace() <= fPreAvarageSpaceValue )&& + ( m_GlyphsList[i+1].getPrevGlyphsSpace()<= fPreAvarageSpaceValue ) + ) + { + double temp= m_GlyphsList[i].getPrevGlyphsSpace()-m_GlyphsList[i+1].getPrevGlyphsSpace(); + + if(temp!=0.0) + { + if( temp< 0.0) + temp= temp* -1.0; + + fAvarageDiffCharSpaceValue+=temp; + nDiffSpaceCount++; + } + } + } + + } + + if ( + ( nNullSpaceBreakerCount>0 ) + ) + { + fNullSpaceBreakerAvaregeSpaceValue=fNullSpaceBreakerAvaregeSpaceValue/nNullSpaceBreakerCount; + } + + if ( + ( nDiffSpaceCount>0 )&&(fAvarageDiffCharSpaceValue>0) + ) + { + fAvarageDiffCharSpaceValue= fAvarageDiffCharSpaceValue/ nDiffSpaceCount; + } + + ParagraphElement* pPara= NULL ; + FrameElement* pFrame= NULL ; + + if(m_GlyphsList.size()>0) + { + pFrame = m_pElFactory->createFrameElement( m_GlyphsList[0].getCurElement(), getGCId( getTransformGlyphContext( m_GlyphsList[0])) ); + pFrame->ZOrder = m_nNextZOrder++; + pPara = m_pElFactory->createParagraphElement( pFrame ); + + + + processGlyph( 0, + m_GlyphsList[0], + pPara, + pFrame, + m_bIsWhiteSpaceInLine ); + + + } + + + preSpaceNull=false; + + for ( unsigned int i=1; i<m_GlyphsList.size()-1; i++ ) + { + double fPrevDiffCharSpace= m_GlyphsList[i].getPrevGlyphsSpace()-m_GlyphsList[i-1].getPrevGlyphsSpace(); + double fPostDiffCharSpace= m_GlyphsList[i].getPrevGlyphsSpace()-m_GlyphsList[i+1].getPrevGlyphsSpace(); + + + if( + preSpaceNull && (m_GlyphsList[i].getPrevGlyphsSpace()!= 0.0) + ) + { + preSpaceNull=false; + if( fNullSpaceBreakerAvaregeSpaceValue > m_GlyphsList[i].getPrevGlyphsSpace() ) + { + processGlyph( 0, + m_GlyphsList[i], + pPara, + pFrame, + m_bIsWhiteSpaceInLine ); + + } + else + { + processGlyph( 1, + m_GlyphsList[i], + pPara, + pFrame, + m_bIsWhiteSpaceInLine ); + + } + + } + else + { + if ( + ( ( m_GlyphsList[i].getPrevGlyphsSpace()<= fPreAvarageSpaceValue )&& + ( fPrevDiffCharSpace<=fAvarageDiffCharSpaceValue )&& + ( fPostDiffCharSpace<=fAvarageDiffCharSpaceValue ) + ) || + ( m_GlyphsList[i].getPrevGlyphsSpace() == 0.0 ) + ) + { + preSpaceNull=true; + + processGlyph( 0, + m_GlyphsList[i], + pPara, + pFrame, + m_bIsWhiteSpaceInLine ); + + } + else + { + processGlyph( 1, + m_GlyphsList[i], + pPara, + pFrame, + m_bIsWhiteSpaceInLine ); + + } + + } + + } + + if(m_GlyphsList.size()>1) + processGlyph( 0, + m_GlyphsList[m_GlyphsList.size()-1], + pPara, + pFrame, + m_bIsWhiteSpaceInLine ); + + m_GlyphsList.clear(); +} + +void PDFIProcessor::processGlyph( double fPreAvarageSpaceValue, + CharGlyph& aGlyph, + ParagraphElement* pPara, + FrameElement* pFrame, + bool bIsWhiteSpaceInLine + ) +{ + if( !bIsWhiteSpaceInLine ) + { + bool flag=( 0 < fPreAvarageSpaceValue ); + + drawCharGlyphs( aGlyph.getGlyph(), + aGlyph.getRect(), + aGlyph.getFontMatrix(), + aGlyph.getGC(), + aGlyph.getCurElement(), + pPara, + pFrame, + flag); + } + else + { + drawCharGlyphs( aGlyph.getGlyph(), + aGlyph.getRect(), + aGlyph.getFontMatrix(), + aGlyph.getGC(), + aGlyph.getCurElement(), + pPara, + pFrame, + false ); + } +} + +void PDFIProcessor::drawGlyphLine( const rtl::OUString& rGlyphs, + const geometry::RealRectangle2D& rRect, + const geometry::Matrix2D& rFontMatrix ) +{ + double isFirstLine= fYPrevTextPosition+ fXPrevTextPosition+ fPrevTextHeight+ fPrevTextWidth ; + if( + ( ( ( fYPrevTextPosition!= rRect.Y1 ) ) || + ( ( fXPrevTextPosition > rRect.X2 ) ) || + ( ( fXPrevTextPosition+fPrevTextWidth*1.3)<rRect.X1 ) + ) && ( isFirstLine> 0.0 ) + ) + { + processGlyphLine(); + } + + CharGlyph aGlyph; + + aGlyph.setGlyph ( rGlyphs ); + aGlyph.setRect ( rRect ); + aGlyph.setFontMatrix ( rFontMatrix ); + aGlyph.setGraphicsContext ( getCurrentContext() ); + getGCId(getCurrentContext()); + aGlyph.setCurElement( m_pCurElement ); + + aGlyph.setYPrevGlyphPosition( fYPrevTextPosition ); + aGlyph.setXPrevGlyphPosition( fXPrevTextPosition ); + aGlyph.setPrevGlyphHeight ( fPrevTextHeight ); + aGlyph.setPrevGlyphWidth ( fPrevTextWidth ); + + m_GlyphsList.push_back( aGlyph ); + + fYPrevTextPosition = rRect.Y1; + fXPrevTextPosition = rRect.X2; + fPrevTextHeight = rRect.Y2-rRect.Y1; + fPrevTextWidth = rRect.X2-rRect.X1; + + if( !m_bIsWhiteSpaceInLine ) + { + static rtl::OUString tempWhiteSpaceStr( 0x20 ); + static rtl::OUString tempWhiteSpaceNonBreakingStr( 0xa0 ); + m_bIsWhiteSpaceInLine=(rGlyphs.equals( tempWhiteSpaceStr ) || rGlyphs.equals( tempWhiteSpaceNonBreakingStr )); + } +} + +GraphicsContext& PDFIProcessor::getTransformGlyphContext( CharGlyph& rGlyph ) +{ + geometry::RealRectangle2D rRect = rGlyph.getRect(); + geometry::Matrix2D rFontMatrix = rGlyph.getFontMatrix(); + + rtl::OUString tempStr( 32 ); + geometry::RealRectangle2D aRect(rRect); + + basegfx::B2DHomMatrix aFontMatrix; + basegfx::unotools::homMatrixFromMatrix( + aFontMatrix, + rFontMatrix ); + + FontAttributes aFontAttrs = m_aIdToFont[ rGlyph.getGC().FontId ]; + + // add transformation to GC + basegfx::B2DHomMatrix aFontTransform(basegfx::tools::createTranslateB2DHomMatrix(-rRect.X1, -rRect.Y1)); + aFontTransform *= aFontMatrix; + aFontTransform.translate( rRect.X1, rRect.Y1 ); + + + rGlyph.getGC().Transformation = rGlyph.getGC().Transformation * aFontTransform; + getGCId(rGlyph.getGC()); + + return rGlyph.getGC(); +} +void PDFIProcessor::drawCharGlyphs( rtl::OUString& rGlyphs, + geometry::RealRectangle2D& rRect, + geometry::Matrix2D& , + GraphicsContext aGC, + Element* , + ParagraphElement* pPara, + FrameElement* pFrame, + bool bSpaceFlag ) +{ + + + rtl::OUString tempStr( 32 ); + geometry::RealRectangle2D aRect(rRect); + + ::basegfx::B2DRange aRect2; + calcTransformedRectBounds( aRect2, + ::basegfx::unotools::b2DRectangleFromRealRectangle2D(aRect), + aGC.Transformation ); + // check whether there was a previous draw frame + + TextElement* pText = m_pElFactory->createTextElement( pPara, + getGCId(aGC), + aGC.FontId ); + if( bSpaceFlag ) + pText->Text.append( tempStr ); + + pText->Text.append( rGlyphs ); + + pText->x = aRect2.getMinX() ; + pText->y = aRect2.getMinY() ; + pText->w = 0.0; // ToDO P2: 1.1 is a hack for solving of size auto-grow problem + pText->h = aRect2.getHeight(); // ToDO P2: 1.1 is a hack for solving of size auto-grow problem + + pPara->updateGeometryWith( pText ); + + if( pFrame ) + pFrame->updateGeometryWith( pPara ); + +} +void PDFIProcessor::drawGlyphs( const rtl::OUString& rGlyphs, + const geometry::RealRectangle2D& rRect, + const geometry::Matrix2D& rFontMatrix ) +{ + drawGlyphLine( rGlyphs, rRect, rFontMatrix ); +} + +void PDFIProcessor::endText() +{ + TextElement* pText = dynamic_cast<TextElement*>(m_pCurElement); + if( pText ) + m_pCurElement = pText->Parent; +} + +void PDFIProcessor::setupImage(ImageId nImage) +{ + const GraphicsContext& rGC( getCurrentContext() ); + + basegfx::B2DHomMatrix aTrans( rGC.Transformation ); + + // check for rotation, which is the other way around in ODF + basegfx::B2DTuple aScale, aTranslation; + double fRotate, fShearX; + rGC.Transformation.decompose( aScale, aTranslation, fRotate, fShearX ); + // TODDO(F4): correcting rotation when fShearX != 0 ? + if( fRotate != 0.0 ) + { + + // try to create a Transformation that corrects for the wrong rotation + aTrans.identity(); + aTrans.scale( aScale.getX(), aScale.getY() ); + aTrans.rotate( -fRotate ); + + basegfx::B2DRange aRect( 0, 0, 1, 1 ); + aRect.transform( aTrans ); + + // TODO(F3) treat translation correctly + // the corrections below work for multiples of 90 degree + // which is a common case (landscape/portrait/seascape) + // we need a general solution here; however this needs to + // work in sync with DrawXmlEmitter::fillFrameProps and WriterXmlEmitter::fillFrameProps + // admittedly this is a lame workaround and fails for arbitrary rotation + double fQuadrant = fmod( fRotate, 2.0*M_PI ) / M_PI_2; + int nQuadrant = (int)fQuadrant; + if( nQuadrant < 0 ) + nQuadrant += 4; + if( nQuadrant == 1 ) + { + aTranslation.setX( aTranslation.getX() + aRect.getHeight() + aRect.getWidth()); + aTranslation.setY( aTranslation.getY() + aRect.getHeight() ); + } + if( nQuadrant == 3 ) + aTranslation.setX( aTranslation.getX() - aRect.getHeight() ); + + aTrans.translate( aTranslation.getX(), + aTranslation.getY() ); + } + + bool bMirrorVertical = aScale.getY() > 0; + + // transform unit rect to determine view box + basegfx::B2DRange aRect( 0, 0, 1, 1 ); + aRect.transform( aTrans ); + + // TODO(F3): Handle clip + const sal_Int32 nGCId = getGCId(rGC); + FrameElement* pFrame = m_pElFactory->createFrameElement( m_pCurElement, nGCId ); + ImageElement* pImageElement = m_pElFactory->createImageElement( pFrame, nGCId, nImage ); + pFrame->x = pImageElement->x = aRect.getMinX(); + pFrame->y = pImageElement->y = aRect.getMinY(); + pFrame->w = pImageElement->w = aRect.getWidth(); + pFrame->h = pImageElement->h = aRect.getHeight(); + pFrame->ZOrder = m_nNextZOrder++; + + if( bMirrorVertical ) + { + pFrame->MirrorVertical = pImageElement->MirrorVertical = true; + pFrame->x += aRect.getWidth(); + pImageElement->x += aRect.getWidth(); + pFrame->y += aRect.getHeight(); + pImageElement->y += aRect.getHeight(); + } +} + +void PDFIProcessor::drawMask(const uno::Sequence<beans::PropertyValue>& xBitmap, + bool /*bInvert*/ ) +{ + // TODO(F3): Handle mask and inversion + setupImage( m_aImages.addImage(xBitmap) ); +} + +void PDFIProcessor::drawImage(const uno::Sequence<beans::PropertyValue>& xBitmap ) +{ + setupImage( m_aImages.addImage(xBitmap) ); +} + +void PDFIProcessor::drawColorMaskedImage(const uno::Sequence<beans::PropertyValue>& xBitmap, + const uno::Sequence<uno::Any>& /*xMaskColors*/ ) +{ + // TODO(F3): Handle mask colors + setupImage( m_aImages.addImage(xBitmap) ); +} + +void PDFIProcessor::drawMaskedImage(const uno::Sequence<beans::PropertyValue>& xBitmap, + const uno::Sequence<beans::PropertyValue>& /*xMask*/, + bool /*bInvertMask*/) +{ + // TODO(F3): Handle mask and inversion + setupImage( m_aImages.addImage(xBitmap) ); +} + +void PDFIProcessor::drawAlphaMaskedImage(const uno::Sequence<beans::PropertyValue>& xBitmap, + const uno::Sequence<beans::PropertyValue>& /*xMask*/) +{ + // TODO(F3): Handle mask + + setupImage( m_aImages.addImage(xBitmap) ); + +} + +void PDFIProcessor::strokePath( const uno::Reference< rendering::XPolyPolygon2D >& rPath ) +{ + basegfx::B2DPolyPolygon aPoly=basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath); + aPoly.transform(getCurrentContext().Transformation); + + PolyPolyElement* pPoly = m_pElFactory->createPolyPolyElement( + m_pCurElement, + getGCId(getCurrentContext()), + aPoly, + PATH_STROKE ); + pPoly->updateGeometry(); + pPoly->ZOrder = m_nNextZOrder++; +} + +void PDFIProcessor::fillPath( const uno::Reference< rendering::XPolyPolygon2D >& rPath ) +{ + basegfx::B2DPolyPolygon aPoly=basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath); + aPoly.transform(getCurrentContext().Transformation); + + PolyPolyElement* pPoly = m_pElFactory->createPolyPolyElement( + m_pCurElement, + getGCId(getCurrentContext()), + aPoly, + PATH_FILL ); + pPoly->updateGeometry(); + pPoly->ZOrder = m_nNextZOrder++; +} + +void PDFIProcessor::eoFillPath( const uno::Reference< rendering::XPolyPolygon2D >& rPath ) +{ + basegfx::B2DPolyPolygon aPoly=basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath); + aPoly.transform(getCurrentContext().Transformation); + + PolyPolyElement* pPoly = m_pElFactory->createPolyPolyElement( + m_pCurElement, + getGCId(getCurrentContext()), + aPoly, + PATH_EOFILL ); + pPoly->updateGeometry(); + pPoly->ZOrder = m_nNextZOrder++; +} + +void PDFIProcessor::intersectClip(const uno::Reference< rendering::XPolyPolygon2D >& rPath) +{ + // TODO(F3): interpret fill mode + basegfx::B2DPolyPolygon aNewClip = basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath); + aNewClip.transform(getCurrentContext().Transformation); + basegfx::B2DPolyPolygon aCurClip = getCurrentContext().Clip; + + if( aCurClip.count() ) // #i92985# adapted API from (..., false, false) to (..., true, false) + aNewClip = basegfx::tools::clipPolyPolygonOnPolyPolygon( aCurClip, aNewClip, true, false ); + + getCurrentContext().Clip = aNewClip; +} + +void PDFIProcessor::intersectEoClip(const uno::Reference< rendering::XPolyPolygon2D >& rPath) +{ + // TODO(F3): interpret fill mode + basegfx::B2DPolyPolygon aNewClip = basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath); + aNewClip.transform(getCurrentContext().Transformation); + basegfx::B2DPolyPolygon aCurClip = getCurrentContext().Clip; + + if( aCurClip.count() ) // #i92985# adapted API from (..., false, false) to (..., true, false) + aNewClip = basegfx::tools::clipPolyPolygonOnPolyPolygon( aCurClip, aNewClip, true, false ); + + getCurrentContext().Clip = aNewClip; +} + +void PDFIProcessor::hyperLink( const geometry::RealRectangle2D& rBounds, + const ::rtl::OUString& rURI ) +{ + if( rURI.getLength() ) + { + HyperlinkElement* pLink = m_pElFactory->createHyperlinkElement( + &m_pCurPage->Hyperlinks, + rURI ); + pLink->x = rBounds.X1; + pLink->y = rBounds.Y1; + pLink->w = rBounds.X2-rBounds.X1; + pLink->h = rBounds.Y2-rBounds.Y1; + } +} + +const FontAttributes& PDFIProcessor::getFont( sal_Int32 nFontId ) const +{ + IdToFontMap::const_iterator it = m_aIdToFont.find( nFontId ); + if( it == m_aIdToFont.end() ) + it = m_aIdToFont.find( 0 ); + return it->second; +} + +sal_Int32 PDFIProcessor::getGCId( const GraphicsContext& rGC ) +{ + sal_Int32 nGCId = 0; + GCToIdMap::const_iterator it = m_aGCToId.find( rGC ); + if( it != m_aGCToId.end() ) + nGCId = it->second; + else + { + m_aGCToId[ rGC ] = m_nNextGCId; + m_aIdToGC[ m_nNextGCId ] = rGC; + nGCId = m_nNextGCId; + m_nNextGCId++; + } + + return nGCId; +} + +const GraphicsContext& PDFIProcessor::getGraphicsContext( sal_Int32 nGCId ) const +{ + IdToGCMap::const_iterator it = m_aIdToGC.find( nGCId ); + if( it == m_aIdToGC.end() ) + it = m_aIdToGC.find( 0 ); + return it->second; +} + +void PDFIProcessor::endPage() +{ + processGlyphLine(); // draw last line + if( m_xStatusIndicator.is() + && m_pCurPage + && m_pCurPage->PageNumber == m_nPages + ) + m_xStatusIndicator->end(); +} + +void PDFIProcessor::startPage( const geometry::RealSize2D& rSize ) +{ + // initial clip is to page bounds + getCurrentContext().Clip = basegfx::B2DPolyPolygon( + basegfx::tools::createPolygonFromRect( + basegfx::B2DRange( 0, 0, rSize.Width, rSize.Height ))); + + sal_Int32 nNextPageNr = m_pCurPage ? m_pCurPage->PageNumber+1 : 1; + if( m_xStatusIndicator.is() ) + { + if( nNextPageNr == 1 ) + startIndicator( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " " ) ) ); + m_xStatusIndicator->setValue( nNextPageNr ); + } + m_pCurPage = m_pElFactory->createPageElement(m_pDocument.get(), nNextPageNr); + m_pCurElement = m_pCurPage; + m_pCurPage->w = rSize.Width; + m_pCurPage->h = rSize.Height; + m_nNextZOrder = 1; + + +} + +void PDFIProcessor::emit( XmlEmitter& rEmitter, + const TreeVisitorFactory& rVisitorFactory ) +{ +#if OSL_DEBUG_LEVEL > 1 + m_pDocument->emitStructure( 0 ); +#endif + + ElementTreeVisitorSharedPtr optimizingVisitor( + rVisitorFactory.createOptimizingVisitor(*this)); + // FIXME: localization + startIndicator( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " " ) ) ); + m_pDocument->visitedBy( *optimizingVisitor, std::list<Element*>::iterator()); + +#if OSL_DEBUG_LEVEL > 1 + m_pDocument->emitStructure( 0 ); +#endif + + // get styles + StyleContainer aStyles; + ElementTreeVisitorSharedPtr finalizingVisitor( + rVisitorFactory.createStyleCollectingVisitor(aStyles,*this)); + // FIXME: localization + + m_pDocument->visitedBy( *finalizingVisitor, std::list<Element*>::iterator() ); + + EmitContext aContext( rEmitter, aStyles, m_aImages, *this, m_xStatusIndicator ); + ElementTreeVisitorSharedPtr aEmittingVisitor( + rVisitorFactory.createEmittingVisitor(aContext)); + + PropertyMap aProps; + // document prolog + #define OASIS_STR "urn:oasis:names:tc:opendocument:xmlns:" + aProps[ USTR( "xmlns:office" ) ] = USTR( OASIS_STR "office:1.0" ); + aProps[ USTR( "xmlns:style" ) ] = USTR( OASIS_STR "style:1.0" ); + aProps[ USTR( "xmlns:text" ) ] = USTR( OASIS_STR "text:1.0" ); + aProps[ USTR( "xmlns:svg" ) ] = USTR( OASIS_STR "svg-compatible:1.0" ); + aProps[ USTR( "xmlns:table" ) ] = USTR( OASIS_STR "table:1.0" ); + aProps[ USTR( "xmlns:draw" ) ] = USTR( OASIS_STR "drawing:1.0" ); + aProps[ USTR( "xmlns:fo" ) ] = USTR( OASIS_STR "xsl-fo-compatible:1.0" ); + aProps[ USTR( "xmlns:xlink" )] = USTR( "http://www.w3.org/1999/xlink" ); + aProps[ USTR( "xmlns:dc" )] = USTR( "http://purl.org/dc/elements/1.1/" ); + aProps[ USTR( "xmlns:number" )] = USTR( OASIS_STR "datastyle:1.0" ); + aProps[ USTR( "xmlns:presentation" )] = USTR( OASIS_STR "presentation:1.0" ); + aProps[ USTR( "xmlns:math" )] = USTR( "http://www.w3.org/1998/Math/MathML" ); + aProps[ USTR( "xmlns:form" )] = USTR( OASIS_STR "form:1.0" ); + aProps[ USTR( "xmlns:script" )] = USTR( OASIS_STR "script:1.0" ); + aProps[ USTR( "xmlns:dom" )] = USTR( "http://www.w3.org/2001/xml-events" ); + aProps[ USTR( "xmlns:xforms" )] = USTR( "http://www.w3.org/2002/xforms" ); + aProps[ USTR( "xmlns:xsd" )] = USTR( "http://www.w3.org/2001/XMLSchema" ); + aProps[ USTR( "xmlns:xsi" )] = USTR( "http://www.w3.org/2001/XMLSchema-instance" ); + aProps[ USTR( "office:version" ) ] = USTR( "1.0" ); + aProps[ USTR( "office:version" ) ] = USTR( "1.0" ); + + aContext.rEmitter.beginTag( "office:document", aProps ); + + // emit style list + aStyles.emit( aContext, *aEmittingVisitor ); + + m_pDocument->visitedBy( *aEmittingVisitor, std::list<Element*>::iterator() ); + aContext.rEmitter.endTag( "office:document" ); + endIndicator(); +} + +void PDFIProcessor::startIndicator( const rtl::OUString& rText, sal_Int32 nElements ) +{ + if( nElements == -1 ) + nElements = m_nPages; + if( m_xStatusIndicator.is() ) + { + sal_Int32 nUnicodes = rText.getLength(); + rtl::OUStringBuffer aStr( nUnicodes*2 ); + const sal_Unicode* pText = rText.getStr(); + for( int i = 0; i < nUnicodes; i++ ) + { + if( nUnicodes-i > 1&& + pText[i] == '%' && + pText[i+1] == 'd' + ) + { + aStr.append( nElements ); + i++; + } + else + aStr.append( pText[i] ); + } + m_xStatusIndicator->start( aStr.makeStringAndClear(), nElements ); + } +} + +void PDFIProcessor::endIndicator() +{ + if( m_xStatusIndicator.is() ) + m_xStatusIndicator->end(); +} + +void PDFIProcessor::sortDocument( bool bDeep ) +{ + for( std::list< Element* >::iterator it = m_pDocument->Children.begin(); + it != m_pDocument->Children.end(); ++it ) + { + if( dynamic_cast<PageElement*>(*it) != NULL ) + sortElements( *it, bDeep ); + } +} + +static bool lr_tb_sort( Element* pLeft, Element* pRight ) +{ + // first: top-bottom sorting + + // Note: allow for 10% overlap on text lines since text lines are usually + // of the same order as font height whereas the real paint area + // of text is usually smaller + double fudge_factor = 1.0; + if( dynamic_cast< TextElement* >(pLeft) || dynamic_cast< TextElement* >(pRight) ) + fudge_factor = 0.9; + + // if left's lower boundary is above right's upper boundary + // then left is smaller + if( pLeft->y+pLeft->h*fudge_factor < pRight->y ) + return true; + // if right's lower boundary is above left's upper boundary + // then left is definitely not smaller + if( pRight->y+pRight->h*fudge_factor < pLeft->y ) + return false; + + // by now we have established that left and right are inside + // a "line", that is they have vertical overlap + // second: left-right sorting + // if left's right boundary is left to right's left boundary + // then left is smaller + if( pLeft->x+pLeft->w < pRight->x ) + return true; + // if right's right boundary is left to left's left boundary + // then left is definitely not smaller + if( pRight->x+pRight->w < pLeft->x ) + return false; + + // here we have established vertical and horizontal overlap + // so sort left first, top second + if( pLeft->x < pRight->x ) + return true; + if( pRight->x < pLeft->x ) + return false; + if( pLeft->y < pRight->y ) + return true; + + return false; +} + +void PDFIProcessor::sortElements( Element* pEle, bool bDeep ) +{ + if( pEle->Children.empty() ) + return; + + if( bDeep ) + { + for( std::list< Element* >::iterator it = pEle->Children.begin(); + it != pEle->Children.end(); ++it ) + { + sortElements( *it, bDeep ); + } + } + // HACK: the stable sort member on std::list that takes a + // strict weak ordering requires member templates - which we + // do not have on all compilers. so we need to use std::stable_sort + // here - which does need random access iterators which the + // list iterators are not. + // so we need to copy the Element* to an array, stable sort that and + // copy them back. + std::vector<Element*> aChildren; + while( ! pEle->Children.empty() ) + { + aChildren.push_back( pEle->Children.front() ); + pEle->Children.pop_front(); + } + switch( m_eTextDirection ) + { + case LrTb: + default: + std::stable_sort( aChildren.begin(), aChildren.end(), lr_tb_sort ); + break; + } + int nChildren = aChildren.size(); + for( int i = 0; i < nChildren; i++ ) + pEle->Children.push_back( aChildren[i] ); +} + + +::basegfx::B2DRange& PDFIProcessor::calcTransformedRectBounds( ::basegfx::B2DRange& outRect, + const ::basegfx::B2DRange& inRect, + const ::basegfx::B2DHomMatrix& transformation ) + { + outRect.reset(); + + if( inRect.isEmpty() ) + return outRect; + + // transform all four extremal points of the rectangle, + // take bounding rect of those. + + // transform left-top point + outRect.expand( transformation * inRect.getMinimum() ); + + // transform bottom-right point + outRect.expand( transformation * inRect.getMaximum() ); + + ::basegfx::B2DPoint aPoint; + + // transform top-right point + aPoint.setX( inRect.getMaxX() ); + aPoint.setY( inRect.getMinY() ); + + aPoint *= transformation; + outRect.expand( aPoint ); + + // transform bottom-left point + aPoint.setX( inRect.getMinX() ); + aPoint.setY( inRect.getMaxY() ); + + aPoint *= transformation; + outRect.expand( aPoint ); + + // over and out. + return outRect; + } + +} |