sdext/source/pdfimport/inc/pdfiprocessor.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
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   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
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  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_PDFIPROCESSOR_HXX
  21 #define INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_PDFIPROCESSOR_HXX
  22
  23 #include <com/sun/star/task/XStatusIndicator.hpp>
  24 #include <com/sun/star/geometry/RealSize2D.hpp>
  25 #include <com/sun/star/geometry/RealRectangle2D.hpp>
  26 #include <com/sun/star/geometry/Matrix2D.hpp>
  27
  28 #include <basegfx/matrix/b2dhommatrix.hxx>
  29
  30 #include <rtl/ustring.hxx>
  31
  32 #include <memory>
  33 #include <unordered_map>
  34
  35 #include "imagecontainer.hxx"
  36 #include "contentsink.hxx"
  37 #include "treevisitorfactory.hxx"
  38 #include "genericelements.hxx"
  39
  40 #include <boost/bimap/bimap.hpp>
  41 #include <boost/bimap/unordered_set_of.hpp>
  42
  43 namespace pdfi
  44 {
  45
  46     class  PDFIProcessor;
  47     struct Element;
  48     struct DocumentElement;
  49     struct PageElement;
  50     class  ElementFactory;
  51     class  XmlEmitter;
  52     class  CharGlyph;
  53
  54     /** Main entry from the parser
  55
  56         Creates the internal DOM tree from the render calls
  57      */
  58     class PDFIProcessor : public ContentSink
  59     {
  60     public:
  61         css::uno::Reference<
  62             css::uno::XComponentContext >  m_xContext;
  63         basegfx::B2DHomMatrix prevTextMatrix;
  64         double prevCharWidth;
  65
  66         explicit PDFIProcessor( const css::uno::Reference< css::task::XStatusIndicator >& xStat,
  67             css::uno::Reference< css::uno::XComponentContext > const & xContext) ;
  68
  69         void emit( XmlEmitter&               rEmitter,
  70                    const TreeVisitorFactory& rVisitorFactory );
  71
  72         sal_Int32 getGCId( const GraphicsContext& rGC );
  73         const GraphicsContext& getGraphicsContext( sal_Int32 nGCId ) const;
  74         GraphicsContext& getCurrentContext() { return m_aGCStack.back(); }
  75         const GraphicsContext& getCurrentContext() const { return m_aGCStack.back(); }
  76
  77         const css::uno::Reference< css::task::XStatusIndicator >& getStatusIndicator() const
  78         { return m_xStatusIndicator; }
  79
  80         const FontAttributes& getFont( sal_Int32 nFontId ) const;
  81         sal_Int32 getFontId( const FontAttributes& rAttr ) const;
  82
  83         static void sortElements( Element* pElement );
  84
  85         static OUString mirrorString( const OUString& i_rInString );
  86
  87     private:
  88         void processGlyphLine();
  89
  90         // ContentSink interface implementation
  91
  92         virtual void setPageNum( sal_Int32 nNumPages ) override;
  93         virtual void startPage( const css::geometry::RealSize2D& rSize ) override;
  94         virtual void endPage() override;
  95
  96         virtual void hyperLink( const css::geometry::RealRectangle2D& rBounds,
  97                                 const OUString&                             rURI ) override;
  98         virtual void pushState() override;
  99         virtual void popState() override;
 100         virtual void setFlatness( double ) override;
 101         virtual void setTransformation( const css::geometry::AffineMatrix2D& rMatrix ) override;
 102         virtual void setLineDash( const css::uno::Sequence<double>& dashes,
 103                                   double                                         start ) override;
 104         virtual void setLineJoin(sal_Int8) override;
 105         virtual void setLineCap(sal_Int8) override;
 106         virtual void setMiterLimit(double) override;
 107         virtual void setLineWidth(double) override;
 108         virtual void setFillColor( const css::rendering::ARGBColor& rColor ) override;
 109         virtual void setStrokeColor( const css::rendering::ARGBColor& rColor ) override;
 110         virtual void setFont( const FontAttributes& rFont ) override;
 111         virtual void setTextRenderMode( sal_Int32 ) override;
 112
 113         virtual void strokePath( const css::uno::Reference<
 114                                        css::rendering::XPolyPolygon2D >& rPath ) override;
 115         virtual void fillPath( const css::uno::Reference<
 116                                      css::rendering::XPolyPolygon2D >& rPath ) override;
 117         virtual void eoFillPath( const css::uno::Reference<
 118                                        css::rendering::XPolyPolygon2D >& rPath ) override;
 119
 120         virtual void intersectClip(const css::uno::Reference<
 121                                          css::rendering::XPolyPolygon2D >& rPath) override;
 122         virtual void intersectEoClip(const css::uno::Reference<
 123                                            css::rendering::XPolyPolygon2D >& rPath) override;
 124
 125         virtual void drawGlyphs( const OUString&                               rGlyphs,
 126                                  const css::geometry::RealRectangle2D& rRect,
 127                                  const css::geometry::Matrix2D&        rFontMatrix,
 128                                  double fontSize) override;
 129         virtual void endText() override;
 130
 131         virtual void drawMask(const css::uno::Sequence<
 132                                     css::beans::PropertyValue>& xBitmap,
 133                               bool                                           bInvert ) override;
 134         /// Given image must already be color-mapped and normalized to sRGB.
 135         virtual void drawImage(const css::uno::Sequence<
 136                                      css::beans::PropertyValue>& xBitmap ) override;
 137         /** Given image must already be color-mapped and normalized to sRGB.
 138
 139             maskColors must contain two sequences of color components
 140          */
 141         virtual void drawColorMaskedImage(const css::uno::Sequence<
 142                                                 css::beans::PropertyValue>& xBitmap,
 143                                           const css::uno::Sequence<
 144                                                 css::uno::Any>&             xMaskColors ) override;
 145         virtual void drawMaskedImage(const css::uno::Sequence<
 146                                            css::beans::PropertyValue>& xBitmap,
 147                                      const css::uno::Sequence<
 148                                            css::beans::PropertyValue>& xMask,
 149                                      bool                                             bInvertMask) override;
 150         virtual void drawAlphaMaskedImage(const css::uno::Sequence<
 151                                                 css::beans::PropertyValue>& xImage,
 152                                           const css::uno::Sequence<
 153                                                 css::beans::PropertyValue>& xMask) override;
 154
 155         void startIndicator( const OUString& rText );
 156         void endIndicator();
 157
 158         void setupImage(ImageId nImage);
 159
 160         typedef std::unordered_map<sal_Int32,FontAttributes> IdToFontMap;
 161         typedef std::unordered_map<FontAttributes,sal_Int32,FontAttrHash> FontToIdMap;
 162
 163         typedef boost::bimaps::bimap<
 164                              boost::bimaps::unordered_set_of<GraphicsContext, GraphicsContextHash>,
 165                              boost::bimaps::unordered_set_of<sal_Int32>
 166                             > GCToIdBiMap;
 167
 168         typedef std::vector<GraphicsContext> GraphicsContextStack;
 169
 170         std::vector<CharGlyph>             m_GlyphsList;
 171
 172         std::shared_ptr<DocumentElement> m_pDocument;
 173         PageElement*                       m_pCurPage;
 174         Element*                           m_pCurElement;
 175         sal_Int32                          m_nNextFontId;
 176         IdToFontMap                        m_aIdToFont;
 177         FontToIdMap                        m_aFontToId;
 178
 179         GraphicsContextStack               m_aGCStack;
 180         sal_Int32                          m_nNextGCId;
 181         GCToIdBiMap                        m_aGCToId;
 182
 183         ImageContainer                     m_aImages;
 184
 185         sal_Int32                          m_nPages;
 186         sal_Int32                          m_nNextZOrder;
 187         css::uno::Reference< css::task::XStatusIndicator >
 188                                            m_xStatusIndicator;
 189     };
 190     class CharGlyph final
 191     {
 192         public:
 193             CharGlyph(Element* pCurElement, const GraphicsContext& rCurrentContext,
 194                 double width, double prevSpaceWidth, const OUString& rGlyphs  )
 195                : m_pCurElement(pCurElement), m_rCurrentContext(rCurrentContext),
 196                  m_Width(width), m_PrevSpaceWidth(prevSpaceWidth), m_rGlyphs(rGlyphs) {};
 197
 198             OUString& getGlyph(){ return m_rGlyphs; }
 199             double getWidth() const { return m_Width; }
 200             double getPrevSpaceWidth() const { return m_PrevSpaceWidth; }
 201             GraphicsContext&  getGC(){ return m_rCurrentContext; }
 202             Element*  getCurElement(){ return m_pCurElement; }
 203
 204         private:
 205             Element* const              m_pCurElement ;
 206             GraphicsContext             m_rCurrentContext ;
 207             double const                m_Width ;
 208             double const                m_PrevSpaceWidth ;
 209             OUString                    m_rGlyphs ;
 210     };
 211 }
 212
 213 #endif
 214
 215 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */