Files
libreoffice/sdext/source/pdfimport/tree/pdfiprocessor.hxx

282 lines
14 KiB
C++
Raw Normal View History

2010-10-27 12:45:53 +01:00
/* -*- 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 .
*/
#ifndef INCLUDED_PDFI_PROCESSOR_HXX
#define INCLUDED_PDFI_PROCESSOR_HXX
#include <com/sun/star/util/XStringMapping.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/task/XStatusIndicator.hpp>
#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>
#include <com/sun/star/geometry/Matrix2D.hpp>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/range/b2drange.hxx>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
#include <boost/shared_ptr.hpp>
#include <list>
2011-02-06 02:49:07 +01:00
#include <boost/unordered_map.hpp>
#include "imagecontainer.hxx"
#include "contentsink.hxx"
#include "treevisitorfactory.hxx"
#include "genericelements.hxx"
namespace pdfi
{
class PDFIProcessor;
struct Element;
struct DocumentElement;
struct PageElement;
class ElementFactory;
class XmlEmitter;
class CharGlyph;
/** Main entry from the parser
Creates the internal DOM tree from the render calls
*/
class PDFIProcessor : public ContentSink
{
public:
com::sun::star::uno::Reference<
com::sun::star::uno::XComponentContext > m_xContext;
double fYPrevTextPosition;
double fPrevTextHeight;
double fXPrevTextPosition;
double fPrevTextWidth;
enum DocumentTextDirecion { LrTb, RlTb, TbLr };
explicit PDFIProcessor( const com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator >& xStat,
com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext > xContext) ;
/// TEMP - enable writer-like text:p on doc level
void enableToplevelText();
void emit( XmlEmitter& rEmitter,
const TreeVisitorFactory& rVisitorFactory );
sal_Int32 getGCId( const GraphicsContext& rGC );
const GraphicsContext& getGraphicsContext( sal_Int32 nGCId ) const;
GraphicsContext& getCurrentContext() { return m_aGCStack.back(); }
const GraphicsContext& getCurrentContext() const { return m_aGCStack.back(); }
ImageContainer& getImages() { return m_aImages; }
boost::shared_ptr<ElementFactory> getElementFactory() const { return m_pElFactory; }
const com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator >& getStatusIndicator() const
{ return m_xStatusIndicator; }
void setStatusIndicator( const com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator >& xStatus )
{ m_xStatusIndicator = xStatus; }
const FontAttributes& getFont( sal_Int32 nFontId ) const;
sal_Int32 getFontId( const FontAttributes& rAttr ) const;
void sortElements( Element* pElement, bool bDeep = false );
rtl::OUString mirrorString( const rtl::OUString& i_rInString ) const;
private:
void processGlyphLine();
void processGlyph( double fPreAvarageSpaceValue,
CharGlyph& rGlyph,
ParagraphElement* pPara,
FrameElement* pFrame,
bool bIsWhiteSpaceInLine );
void drawGlyphLine( const rtl::OUString& rGlyphs,
const ::com::sun::star::geometry::RealRectangle2D& rRect,
const ::com::sun::star::geometry::Matrix2D& rFontMatrix );
void drawCharGlyphs( rtl::OUString& rGlyphs,
::com::sun::star::geometry::RealRectangle2D& rRect,
const GraphicsContext& aGC,
ParagraphElement* pPara,
FrameElement* pFrame,
bool bSpaceFlag );
GraphicsContext& getTransformGlyphContext( CharGlyph& rGlyph );
// ContentSink interface implementation
virtual void setPageNum( sal_Int32 nNumPages );
virtual void startPage( const ::com::sun::star::geometry::RealSize2D& rSize );
virtual void endPage();
virtual void hyperLink( const ::com::sun::star::geometry::RealRectangle2D& rBounds,
const ::rtl::OUString& rURI );
virtual void pushState();
virtual void popState();
virtual void setFlatness( double );
virtual void setTransformation( const ::com::sun::star::geometry::AffineMatrix2D& rMatrix );
virtual void setLineDash( const ::com::sun::star::uno::Sequence<double>& dashes,
double start );
virtual void setLineJoin(sal_Int8);
virtual void setLineCap(sal_Int8);
virtual void setMiterLimit(double);
virtual void setLineWidth(double);
virtual void setFillColor( const ::com::sun::star::rendering::ARGBColor& rColor );
virtual void setStrokeColor( const ::com::sun::star::rendering::ARGBColor& rColor );
virtual void setBlendMode(sal_Int8);
virtual void setFont( const FontAttributes& rFont );
virtual void setTextRenderMode( sal_Int32 );
virtual void strokePath( const ::com::sun::star::uno::Reference<
::com::sun::star::rendering::XPolyPolygon2D >& rPath );
virtual void fillPath( const ::com::sun::star::uno::Reference<
::com::sun::star::rendering::XPolyPolygon2D >& rPath );
virtual void eoFillPath( const ::com::sun::star::uno::Reference<
::com::sun::star::rendering::XPolyPolygon2D >& rPath );
virtual void intersectClip(const ::com::sun::star::uno::Reference<
::com::sun::star::rendering::XPolyPolygon2D >& rPath);
virtual void intersectEoClip(const ::com::sun::star::uno::Reference<
::com::sun::star::rendering::XPolyPolygon2D >& rPath);
virtual void drawGlyphs( const rtl::OUString& rGlyphs,
const ::com::sun::star::geometry::RealRectangle2D& rRect,
const ::com::sun::star::geometry::Matrix2D& rFontMatrix );
virtual void endText();
virtual void drawMask(const ::com::sun::star::uno::Sequence<
::com::sun::star::beans::PropertyValue>& xBitmap,
bool bInvert );
/// Given image must already be color-mapped and normalized to sRGB.
virtual void drawImage(const ::com::sun::star::uno::Sequence<
::com::sun::star::beans::PropertyValue>& xBitmap );
/** Given image must already be color-mapped and normalized to sRGB.
maskColors must contain two sequences of color components
*/
virtual void drawColorMaskedImage(const ::com::sun::star::uno::Sequence<
::com::sun::star::beans::PropertyValue>& xBitmap,
const ::com::sun::star::uno::Sequence<
::com::sun::star::uno::Any>& xMaskColors );
virtual void drawMaskedImage(const ::com::sun::star::uno::Sequence<
::com::sun::star::beans::PropertyValue>& xBitmap,
const ::com::sun::star::uno::Sequence<
::com::sun::star::beans::PropertyValue>& xMask,
bool bInvertMask);
virtual void drawAlphaMaskedImage(const ::com::sun::star::uno::Sequence<
::com::sun::star::beans::PropertyValue>& xImage,
const ::com::sun::star::uno::Sequence<
::com::sun::star::beans::PropertyValue>& xMask);
/// nElements == -1 means fill in number of pages
void startIndicator( const rtl::OUString& rText, sal_Int32 nElements = -1 );
void endIndicator();
void setupImage(ImageId nImage);
2011-02-06 02:49:07 +01:00
typedef boost::unordered_map<sal_Int32,FontAttributes> IdToFontMap;
typedef boost::unordered_map<FontAttributes,sal_Int32,FontAttrHash> FontToIdMap;
2011-02-06 02:49:07 +01:00
typedef boost::unordered_map<sal_Int32,GraphicsContext> IdToGCMap;
typedef boost::unordered_map<GraphicsContext,sal_Int32,GraphicsContextHash> GCToIdMap;
typedef std::vector<GraphicsContext> GraphicsContextStack;
::basegfx::B2DRange& calcTransformedRectBounds( ::basegfx::B2DRange& outRect,
const ::basegfx::B2DRange& inRect,
const ::basegfx::B2DHomMatrix& transformation );
std::vector<CharGlyph> m_GlyphsList;
boost::shared_ptr<ElementFactory> m_pElFactory;
boost::shared_ptr<DocumentElement> m_pDocument;
PageElement* m_pCurPage;
Element* m_pCurElement;
sal_Int32 m_nNextFontId;
IdToFontMap m_aIdToFont;
FontToIdMap m_aFontToId;
GraphicsContextStack m_aGCStack;
GraphicsContext m_prev_aGC;
sal_Int32 m_nNextGCId;
IdToGCMap m_aIdToGC;
GCToIdMap m_aGCToId;
ImageContainer m_aImages;
DocumentTextDirecion m_eTextDirection;
sal_Int32 m_nPages;
sal_Int32 m_nNextZOrder;
bool m_bIsWhiteSpaceInLine;
com::sun::star::uno::Reference<
com::sun::star::task::XStatusIndicator >
m_xStatusIndicator;
bool m_bHaveTextOnDocLevel;
};
class CharGlyph
{
public:
CharGlyph(double fXPrevGlyphPosition, double fYPrevGlyphPosition, double fPrevGlyphHeight, double fPrevGlyphWidth,
Element* pCurElement, const GraphicsContext& rCurrentContext, const com::sun::star::geometry::Matrix2D& rFontMatrix,
const com::sun::star::geometry::RealRectangle2D& rRect, const rtl::OUString& rGlyphs )
: m_fXPrevGlyphPosition(fXPrevGlyphPosition), m_fYPrevGlyphPosition(fYPrevGlyphPosition), m_fPrevGlyphHeight(fPrevGlyphHeight),
m_fPrevGlyphWidth(fPrevGlyphWidth), m_pCurElement(pCurElement), m_rCurrentContext(rCurrentContext),
m_rFontMatrix(rFontMatrix), m_rRect(rRect), m_rGlyphs(rGlyphs) {};
virtual ~CharGlyph(){};
rtl::OUString& getGlyph(){ return m_rGlyphs; }
com::sun::star::geometry::RealRectangle2D& getRect(){ return m_rRect; }
com::sun::star::geometry::Matrix2D& getFontMatrix(){ return m_rFontMatrix; }
GraphicsContext& getGC(){ return m_rCurrentContext; }
Element* getCurElement(){ return m_pCurElement; }
2010-11-25 09:53:35 +00:00
double getYPrevGlyphPosition() const { return m_fYPrevGlyphPosition; }
double getXPrevGlyphPosition() const { return m_fXPrevGlyphPosition; }
double getPrevGlyphHeight() const { return m_fPrevGlyphHeight; }
double getPrevGlyphWidth () const { return m_fPrevGlyphWidth; }
double getPrevGlyphsSpace() const
{
if( (m_rRect.X1-m_fXPrevGlyphPosition)<0 )
return 0;
else
return m_rRect.X1-m_fXPrevGlyphPosition;
}
private:
double m_fXPrevGlyphPosition ;
double m_fYPrevGlyphPosition ;
double m_fPrevGlyphHeight ;
double m_fPrevGlyphWidth ;
Element* m_pCurElement ;
GraphicsContext m_rCurrentContext ;
com::sun::star::geometry::Matrix2D m_rFontMatrix ;
com::sun::star::geometry::RealRectangle2D m_rRect ;
rtl::OUString m_rGlyphs ;
};
}
#endif
2010-10-27 12:45:53 +01:00
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */