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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   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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   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
  13  *   with this work for additional information regarding copyright
  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/uno/XComponentContext.hpp>
  24 #include <com/sun/star/task/XStatusIndicator.hpp>
  25 #include <com/sun/star/geometry/RealSize2D.hpp>
  26 #include <com/sun/star/geometry/RealRectangle2D.hpp>
  27 #include <com/sun/star/geometry/Matrix2D.hpp>
  28
  29 #include <basegfx/matrix/b2dhommatrix.hxx>
  30
  31 #include <rtl/ustring.hxx>
  32
  33 #include <memory>
  34 #include <unordered_map>
  35
  36 #include "imagecontainer.hxx"
  37 #include "contentsink.hxx"
  38 #include "treevisitorfactory.hxx"
  39 #include "genericelements.hxx"
  40
  41 namespace pdfi
  42 {
  43
  44     class  PDFIProcessor;
  45     struct Element;
  46     struct DocumentElement;
  47     struct PageElement;
  48     class  ElementFactory;
  49     class  XmlEmitter;
  50     class  CharGlyph;
  51
  52     /** Main entry from the parser
  53
  54         Creates the internal DOM tree from the render calls
  55      */
  56     class PDFIProcessor final : public ContentSink
  57     {
  58     public:
  59         css::uno::Reference<
  60             css::uno::XComponentContext >  m_xContext;
  61         basegfx::B2DHomMatrix prevTextMatrix;
  62         double prevCharWidth;
  63
  64         explicit PDFIProcessor( const css::uno::Reference< css::task::XStatusIndicator >& xStat,
  65             css::uno::Reference< css::uno::XComponentContext > const & xContext) ;
  66
  67         void emit( XmlEmitter&               rEmitter,
  68                    const TreeVisitorFactory& rVisitorFactory );
  69
  70         sal_Int32 getGCId( const GraphicsContext& rGC );
  71         const GraphicsContext& getGraphicsContext( sal_Int32 nGCId ) const;
  72         GraphicsContext& getCurrentContext() { return m_aGCStack.back(); }
  73         const GraphicsContext& getCurrentContext() const { return m_aGCStack.back(); }
  74
  75         const css::uno::Reference< css::task::XStatusIndicator >& getStatusIndicator() const
  76         { return m_xStatusIndicator; }
  77
  78         const FontAttributes& getFont( sal_Int32 nFontId ) const;
  79         sal_Int32 getFontId( const FontAttributes& rAttr ) const;
  80
  81         static void sortElements( Element* pElement );
  82
  83         static OUString SubstituteBidiMirrored(const OUString& rString);
  84
  85     private:
  86         void processGlyphLine();
  87
  88         // ContentSink interface implementation
  89
  90         virtual void setPageNum( sal_Int32 nNumPages ) override;
  91         virtual void startPage( const css::geometry::RealSize2D& rSize ) override;
  92         virtual void endPage() override;
  93
  94         virtual void hyperLink( const css::geometry::RealRectangle2D& rBounds,
  95                                 const OUString&                             rURI ) override;
  96         virtual void pushState() override;
  97         virtual void popState() override;
  98         virtual void setFlatness( double ) override;
  99         virtual void setTransformation( const css::geometry::AffineMatrix2D& rMatrix ) override;
 100         virtual void setLineDash( const css::uno::Sequence<double>& dashes,
 101                                   double                                         start ) override;
 102         virtual void setLineJoin(sal_Int8) override;
 103         virtual void setLineCap(sal_Int8) override;
 104         virtual void setMiterLimit(double) override;
 105         virtual void setLineWidth(double) override;
 106         virtual void setFillColor( const css::rendering::ARGBColor& rColor ) override;
 107         virtual void setStrokeColor( const css::rendering::ARGBColor& rColor ) override;
 108         virtual void setFont( const FontAttributes& rFont ) override;
 109         virtual void setTextRenderMode( sal_Int32 ) override;
 110
 111         virtual void strokePath( const css::uno::Reference<
 112                                        css::rendering::XPolyPolygon2D >& rPath ) override;
 113         virtual void fillPath( const css::uno::Reference<
 114                                      css::rendering::XPolyPolygon2D >& rPath ) override;
 115         virtual void eoFillPath( const css::uno::Reference<
 116                                        css::rendering::XPolyPolygon2D >& rPath ) override;
 117
 118         virtual void intersectClip(const css::uno::Reference<
 119                                          css::rendering::XPolyPolygon2D >& rPath) override;
 120         virtual void intersectEoClip(const css::uno::Reference<
 121                                            css::rendering::XPolyPolygon2D >& rPath) override;
 122
 123         virtual void drawGlyphs( const OUString&                               rGlyphs,
 124                                  const css::geometry::RealRectangle2D& rRect,
 125                                  const css::geometry::Matrix2D&        rFontMatrix,
 126                                  double fontSize) override;
 127         virtual void endText() override;
 128
 129         virtual void drawMask(const css::uno::Sequence<
 130                                     css::beans::PropertyValue>& xBitmap,
 131                               bool                                           bInvert ) override;
 132         /// Given image must already be color-mapped and normalized to sRGB.
 133         virtual void drawImage(const css::uno::Sequence<
 134                                      css::beans::PropertyValue>& xBitmap ) override;
 135         /** Given image must already be color-mapped and normalized to sRGB.
 136
 137             maskColors must contain two sequences of color components
 138          */
 139         virtual void drawColorMaskedImage(const css::uno::Sequence<
 140                                                 css::beans::PropertyValue>& xBitmap,
 141                                           const css::uno::Sequence<
 142                                                 css::uno::Any>&             xMaskColors ) override;
 143         virtual void drawMaskedImage(const css::uno::Sequence<
 144                                            css::beans::PropertyValue>& xBitmap,
 145                                      const css::uno::Sequence<
 146                                            css::beans::PropertyValue>& xMask,
 147                                      bool                                             bInvertMask) override;
 148         virtual void drawAlphaMaskedImage(const css::uno::Sequence<
 149                                                 css::beans::PropertyValue>& xImage,
 150                                           const css::uno::Sequence<
 151                                                 css::beans::PropertyValue>& xMask) override;
 152
 153         void startIndicator( const OUString& rText );
 154         void endIndicator();
 155
 156         void setupImage(ImageId nImage);
 157
 158         typedef std::unordered_map<sal_Int32,FontAttributes> IdToFontMap;
 159         typedef std::unordered_map<FontAttributes,sal_Int32,FontAttrHash> FontToIdMap;
 160
 161         typedef std::unordered_map<sal_Int32,GraphicsContext> IdToGCMap;
 162         typedef std::unordered_map<GraphicsContext, sal_Int32, GraphicsContextHash> GCToIdMap;
 163
 164         typedef std::vector<GraphicsContext> GraphicsContextStack;
 165
 166         std::vector<CharGlyph>             m_GlyphsList;
 167
 168         std::shared_ptr<DocumentElement> m_pDocument;
 169         PageElement*                       m_pCurPage;
 170         Element*                           m_pCurElement;
 171         sal_Int32                          m_nNextFontId;
 172         IdToFontMap                        m_aIdToFont;
 173         FontToIdMap                        m_aFontToId;
 174
 175         GraphicsContextStack               m_aGCStack;
 176         sal_Int32                          m_nNextGCId;
 177         IdToGCMap                          m_aIdToGC;
 178         GCToIdMap                          m_aGCToId;
 179
 180         ImageContainer                     m_aImages;
 181
 182         sal_Int32                          m_nPages;
 183         sal_Int32                          m_nNextZOrder;
 184         css::uno::Reference< css::task::XStatusIndicator >
 185                                            m_xStatusIndicator;
 186     };
 187     class CharGlyph final
 188     {
 189         public:
 190             CharGlyph(Element* pCurElement, const GraphicsContext& rCurrentContext,
 191                 double width, double prevSpaceWidth, const OUString& rGlyphs  )
 192                : m_pCurElement(pCurElement), m_rCurrentContext(rCurrentContext),
 193                  m_Width(width), m_PrevSpaceWidth(prevSpaceWidth), m_rGlyphs(rGlyphs) {};
 194
 195             OUString& getGlyph(){ return m_rGlyphs; }
 196             double getWidth() const { return m_Width; }
 197             double getPrevSpaceWidth() const { return m_PrevSpaceWidth; }
 198             GraphicsContext&  getGC(){ return m_rCurrentContext; }
 199             Element*  getCurElement(){ return m_pCurElement; }
 200
 201         private:
 202             Element*                    m_pCurElement ;
 203             GraphicsContext             m_rCurrentContext ;
 204             double                      m_Width ;
 205             double                      m_PrevSpaceWidth ;
 206             OUString                    m_rGlyphs ;
 207     };
 208 }
 209
 210 #endif
 211
 212 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */