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libreoffice/sdext/source/pdfimport/inc/pdfiprocessor.hxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

222 lines
10 KiB
C++

/* -*- 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_SDEXT_SOURCE_PDFIMPORT_INC_PDFIPROCESSOR_HXX
#define INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_PDFIPROCESSOR_HXX
#include <com/sun/star/drawing/LineJoint.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/task/XStatusIndicator.hpp>
#include <com/sun/star/geometry/RealSize2D.hpp>
#include <com/sun/star/geometry/RealRectangle2D.hpp>
#include <com/sun/star/geometry/Matrix2D.hpp>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <rtl/ustring.hxx>
#include <memory>
#include <unordered_map>
#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 final : public ContentSink
{
public:
css::uno::Reference<
css::uno::XComponentContext > m_xContext;
basegfx::B2DHomMatrix prevTextMatrix;
double prevCharWidth;
explicit PDFIProcessor( const css::uno::Reference< css::task::XStatusIndicator >& xStat,
css::uno::Reference< css::uno::XComponentContext > const & xContext) ;
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(); }
const ImageContainer& getImages() const { return m_aImages; };
const css::uno::Reference< css::task::XStatusIndicator >& getStatusIndicator() const
{ return m_xStatusIndicator; }
const FontAttributes& getFont( sal_Int32 nFontId ) const;
sal_Int32 getFontId( const FontAttributes& rAttr ) const;
static void sortElements( Element* pElement );
static OUString SubstituteBidiMirrored(std::u16string_view rString);
private:
void processGlyphLine();
// ContentSink interface implementation
virtual void setPageNum( sal_Int32 nNumPages ) override;
virtual void startPage( const css::geometry::RealSize2D& rSize ) override;
virtual void endPage() override;
virtual void hyperLink( const css::geometry::RealRectangle2D& rBounds,
const OUString& rURI ) override;
virtual void pushState() override;
virtual void popState() override;
virtual void setFlatness( double ) override;
virtual void setTransformation( const css::geometry::AffineMatrix2D& rMatrix ) override;
virtual void setLineDash( const css::uno::Sequence<double>& dashes,
double start ) override;
virtual void setLineJoin(basegfx::B2DLineJoin) override;
virtual void setLineCap(sal_Int8) override;
virtual void setMiterLimit(double) override;
virtual void setLineWidth(double) override;
virtual void setFillColor( const css::rendering::ARGBColor& rColor ) override;
virtual void setStrokeColor( const css::rendering::ARGBColor& rColor ) override;
virtual void setFont( const FontAttributes& rFont ) override;
virtual void setTextRenderMode( sal_Int32 ) override;
virtual void strokePath( const css::uno::Reference<
css::rendering::XPolyPolygon2D >& rPath ) override;
virtual void fillPath( const css::uno::Reference<
css::rendering::XPolyPolygon2D >& rPath ) override;
virtual void eoFillPath( const css::uno::Reference<
css::rendering::XPolyPolygon2D >& rPath ) override;
virtual void intersectClip(const css::uno::Reference<
css::rendering::XPolyPolygon2D >& rPath) override;
virtual void intersectClipToStroke(const css::uno::Reference<
css::rendering::XPolyPolygon2D >& rPath) override;
virtual void intersectEoClip(const css::uno::Reference<
css::rendering::XPolyPolygon2D >& rPath) override;
virtual void drawGlyphs( const OUString& rGlyphs,
const css::geometry::RealRectangle2D& rRect,
const css::geometry::Matrix2D& rFontMatrix,
double fontSize) override;
virtual void endText() override;
virtual void drawMask(const css::uno::Sequence<
css::beans::PropertyValue>& xBitmap,
bool bInvert ) override;
/// Given image must already be color-mapped and normalized to sRGB.
virtual void drawImage(const css::uno::Sequence<
css::beans::PropertyValue>& xBitmap ) override;
/** Given image must already be color-mapped and normalized to sRGB.
maskColors must contain two sequences of color components
*/
virtual void drawColorMaskedImage(const css::uno::Sequence<
css::beans::PropertyValue>& xBitmap,
const css::uno::Sequence<
css::uno::Any>& xMaskColors ) override;
virtual void drawMaskedImage(const css::uno::Sequence<
css::beans::PropertyValue>& xBitmap,
const css::uno::Sequence<
css::beans::PropertyValue>& xMask,
bool bInvertMask) override;
virtual void drawAlphaMaskedImage(const css::uno::Sequence<
css::beans::PropertyValue>& xImage,
const css::uno::Sequence<
css::beans::PropertyValue>& xMask) override;
virtual void tilingPatternFill(int nX0, int nY0, int nX1, int nY1,
double nxStep, double nyStep,
int nPaintType,
css::geometry::AffineMatrix2D& rMat,
const css::uno::Sequence<css::beans::PropertyValue>& xTile) override;
void startIndicator( const OUString& rText );
void endIndicator();
void setupImage(ImageId nImage);
typedef std::unordered_map<sal_Int32,FontAttributes> IdToFontMap;
typedef std::unordered_map<FontAttributes,sal_Int32,FontAttrHash> FontToIdMap;
typedef std::unordered_map<sal_Int32,GraphicsContext> IdToGCMap;
typedef std::unordered_map<GraphicsContext, sal_Int32, GraphicsContextHash> GCToIdMap;
typedef std::vector<GraphicsContext> GraphicsContextStack;
std::vector<CharGlyph> m_GlyphsList;
std::shared_ptr<DocumentElement> m_pDocument;
PageElement* m_pCurPage;
Element* m_pCurElement;
sal_Int32 m_nNextFontId;
IdToFontMap m_aIdToFont;
FontToIdMap m_aFontToId;
GraphicsContextStack m_aGCStack;
sal_Int32 m_nNextGCId;
IdToGCMap m_aIdToGC;
GCToIdMap m_aGCToId;
ImageContainer m_aImages;
sal_Int32 m_nPages;
sal_Int32 m_nNextZOrder;
css::uno::Reference< css::task::XStatusIndicator >
m_xStatusIndicator;
};
class CharGlyph final
{
public:
CharGlyph(Element* pCurElement, const GraphicsContext& rCurrentContext,
double width, double prevSpaceWidth, const OUString& rGlyphs )
: m_pCurElement(pCurElement), m_rCurrentContext(rCurrentContext),
m_Width(width), m_PrevSpaceWidth(prevSpaceWidth), m_rGlyphs(rGlyphs) {};
OUString& getGlyph(){ return m_rGlyphs; }
double getWidth() const { return m_Width; }
double getPrevSpaceWidth() const { return m_PrevSpaceWidth; }
GraphicsContext& getGC(){ return m_rCurrentContext; }
Element* getCurElement(){ return m_pCurElement; }
private:
Element* m_pCurElement ;
GraphicsContext m_rCurrentContext ;
double m_Width ;
double m_PrevSpaceWidth ;
OUString m_rGlyphs ;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */