sdext/source/pdfimport/inc/pdfiprocessor.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   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  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  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/drawing/LineJoint.hpp>
  24 #include <com/sun/star/uno/XComponentContext.hpp>
  25 #include <com/sun/star/task/XStatusIndicator.hpp>
  26 #include <com/sun/star/geometry/RealSize2D.hpp>
  27 #include <com/sun/star/geometry/RealRectangle2D.hpp>
  28 #include <com/sun/star/geometry/Matrix2D.hpp>
  29
  30 #include <basegfx/matrix/b2dhommatrix.hxx>
  31
  32 #include <rtl/ustring.hxx>
  33
  34 #include <memory>
  35 #include <unordered_map>
  36
  37 #include "imagecontainer.hxx"
  38 #include "contentsink.hxx"
  39 #include "treevisitorfactory.hxx"
  40 #include "genericelements.hxx"
  41
  42 namespace pdfi
  43 {
  44
  45     class  PDFIProcessor;
  46     struct Element;
  47     struct DocumentElement;
  48     struct PageElement;
  49     class  ElementFactory;
  50     class  XmlEmitter;
  51     class  CharGlyph;
  52
  53     /** Main entry from the parser
  54
  55         Creates the internal DOM tree from the render calls
  56      */
  57     class PDFIProcessor final : public ContentSink
  58     {
  59     public:
  60         css::uno::Reference<
  61             css::uno::XComponentContext >  m_xContext;
  62         basegfx::B2DHomMatrix prevTextMatrix;
  63         double prevCharWidth;
  64
  65         explicit PDFIProcessor( const css::uno::Reference< css::task::XStatusIndicator >& xStat,
  66             css::uno::Reference< css::uno::XComponentContext > const & xContext) ;
  67
  68         void emit( XmlEmitter&               rEmitter,
  69                    const TreeVisitorFactory& rVisitorFactory );
  70
  71         sal_Int32 getGCId( const GraphicsContext& rGC );
  72         const GraphicsContext& getGraphicsContext( sal_Int32 nGCId ) const;
  73         GraphicsContext& getCurrentContext() { return m_aGCStack.back(); }
  74         const GraphicsContext& getCurrentContext() const { return m_aGCStack.back(); }
  75         const ImageContainer& getImages() const { return m_aImages; };
  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 SubstituteBidiMirrored(std::u16string_view rString);
  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(basegfx::B2DLineJoin) 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 intersectClipToStroke(const css::uno::Reference<
 123                                                  css::rendering::XPolyPolygon2D >& rPath) override;
 124         virtual void intersectEoClip(const css::uno::Reference<
 125                                            css::rendering::XPolyPolygon2D >& rPath) override;
 126
 127         virtual void drawGlyphs( const OUString&                               rGlyphs,
 128                                  const css::geometry::RealRectangle2D& rRect,
 129                                  const css::geometry::Matrix2D&        rFontMatrix,
 130                                  double fontSize) override;
 131         virtual void endText() override;
 132
 133         virtual void drawMask(const css::uno::Sequence<
 134                                     css::beans::PropertyValue>& xBitmap,
 135                               bool                                           bInvert ) override;
 136         /// Given image must already be color-mapped and normalized to sRGB.
 137         virtual void drawImage(const css::uno::Sequence<
 138                                      css::beans::PropertyValue>& xBitmap ) override;
 139         /** Given image must already be color-mapped and normalized to sRGB.
 140
 141             maskColors must contain two sequences of color components
 142          */
 143         virtual void drawColorMaskedImage(const css::uno::Sequence<
 144                                                 css::beans::PropertyValue>& xBitmap,
 145                                           const css::uno::Sequence<
 146                                                 css::uno::Any>&             xMaskColors ) override;
 147         virtual void drawMaskedImage(const css::uno::Sequence<
 148                                            css::beans::PropertyValue>& xBitmap,
 149                                      const css::uno::Sequence<
 150                                            css::beans::PropertyValue>& xMask,
 151                                      bool                                             bInvertMask) override;
 152         virtual void drawAlphaMaskedImage(const css::uno::Sequence<
 153                                                 css::beans::PropertyValue>& xImage,
 154                                           const css::uno::Sequence<
 155                                                 css::beans::PropertyValue>& xMask) override;
 156
 157         virtual void tilingPatternFill(int nX0, int nY0, int nX1, int nY1,
 158                                        double nxStep, double nyStep,
 159                                        int nPaintType,
 160                                        css::geometry::AffineMatrix2D& rMat,
 161                                        const css::uno::Sequence<css::beans::PropertyValue>& xTile) override;
 162
 163         void startIndicator( const OUString& rText );
 164         void endIndicator();
 165
 166         void setupImage(ImageId nImage);
 167
 168         typedef std::unordered_map<sal_Int32,FontAttributes> IdToFontMap;
 169         typedef std::unordered_map<FontAttributes,sal_Int32,FontAttrHash> FontToIdMap;
 170
 171         typedef std::unordered_map<sal_Int32,GraphicsContext> IdToGCMap;
 172         typedef std::unordered_map<GraphicsContext, sal_Int32, GraphicsContextHash> GCToIdMap;
 173
 174         typedef std::vector<GraphicsContext> GraphicsContextStack;
 175
 176         std::vector<CharGlyph>             m_GlyphsList;
 177
 178         std::shared_ptr<DocumentElement> m_pDocument;
 179         PageElement*                       m_pCurPage;
 180         Element*                           m_pCurElement;
 181         sal_Int32                          m_nNextFontId;
 182         IdToFontMap                        m_aIdToFont;
 183         FontToIdMap                        m_aFontToId;
 184
 185         GraphicsContextStack               m_aGCStack;
 186         sal_Int32                          m_nNextGCId;
 187         IdToGCMap                          m_aIdToGC;
 188         GCToIdMap                          m_aGCToId;
 189
 190         ImageContainer                     m_aImages;
 191
 192         sal_Int32                          m_nPages;
 193         sal_Int32                          m_nNextZOrder;
 194         css::uno::Reference< css::task::XStatusIndicator >
 195                                            m_xStatusIndicator;
 196     };
 197     class CharGlyph final
 198     {
 199         public:
 200             CharGlyph(Element* pCurElement, const GraphicsContext& rCurrentContext,
 201                 double width, double prevSpaceWidth, const OUString& rGlyphs  )
 202                : m_pCurElement(pCurElement), m_rCurrentContext(rCurrentContext),
 203                  m_Width(width), m_PrevSpaceWidth(prevSpaceWidth), m_rGlyphs(rGlyphs) {};
 204
 205             OUString& getGlyph(){ return m_rGlyphs; }
 206             double getWidth() const { return m_Width; }
 207             double getPrevSpaceWidth() const { return m_PrevSpaceWidth; }
 208             GraphicsContext&  getGC(){ return m_rCurrentContext; }
 209             Element*  getCurElement(){ return m_pCurElement; }
 210
 211         private:
 212             Element*                    m_pCurElement ;
 213             GraphicsContext             m_rCurrentContext ;
 214             double                      m_Width ;
 215             double                      m_PrevSpaceWidth ;
 216             OUString                    m_rGlyphs ;
 217     };
 218 }
 219
 220 #endif
 221
 222 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */