255 lines
8.6 KiB
C++
255 lines
8.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef _ENHANCEDPDFEXPORTHELPER_HXX
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#define _ENHANCEDPDFEXPORTHELPER_HXX
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#include <vcl/pdfextoutdevdata.hxx>
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#include <i18nlangtag/lang.h>
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#include <swrect.hxx>
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#include <swtypes.hxx>
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#include <map>
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#include <vector>
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#include <set>
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namespace vcl
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{
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class PDFExtOutDevData;
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}
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class OutputDevice;
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class SwFrm;
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class SwLinePortion;
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class SwTxtPainter;
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class SwEditShell;
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class StringRangeEnumerator;
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class SwTxtNode;
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class SwNumRule;
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class SwTable;
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class SwNumberTreeNode;
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class String;
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class SvxLanguageItem;
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/*
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* Mapping of OOo elements to tagged pdf elements:
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*
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* OOo element tagged pdf element
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* ----------- ------------------
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*
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* Grouping elements:
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*
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* SwRootFrm Document
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* Part
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* Art
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* SwSection Sect
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* SwFtnContFrm and SwFlyFrm Div
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* SwFmt "Quotations" BlockQuote
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* SwFmt "Caption" Caption
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* SwSection (TOC) TOC
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* SwTxtNode in TOC TOCI
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* SwSection (Index) Index
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*
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* Block-Level Structure Elements:
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*
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* SwTxtNode P
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* SwFmt "Heading" H
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* SwTxtNode with Outline H1 - H6
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* SwTxtNode with NumRule L, LI, LBody
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* SwTable Table
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* SwRowFrm TR
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* SwCellFrm in Headline row or
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* SwFtm "Table Heading" TH
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* SwCellFrm TD
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*
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* Inline-Level Structure Elements:
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*
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* SwTxtPortion Span
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* SwFmt "Quotation" Quote
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* SwFtnFrm Note
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* Form
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* Reference
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* SwFldPortion (AuthorityField) BibEntry
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* SwFmt "Source Text" Code
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* SwFtnPortion, SwFldPortion (RefField) Link
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*
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* Illustration elements:
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*
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* SwFlyFrm with SwNoTxtFrm Figure
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* SwFlyFrm with Math OLE Object Formula
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*
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*/
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struct Num_Info
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{
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const SwFrm& mrFrm;
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Num_Info( const SwFrm& rFrm ) : mrFrm( rFrm ) {};
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};
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struct Frm_Info
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{
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const SwFrm& mrFrm;
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Frm_Info( const SwFrm& rFrm ) : mrFrm( rFrm ) {};
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};
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struct Por_Info
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{
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const SwLinePortion& mrPor;
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const SwTxtPainter& mrTxtPainter;
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Por_Info( const SwLinePortion& rPor, const SwTxtPainter& rTxtPainer )
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: mrPor( rPor ), mrTxtPainter( rTxtPainer ) {};
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};
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struct lt_TableColumn
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{
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bool operator()( long nVal1, long nVal2 ) const
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{
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return nVal1 + ( MINLAY - 1 ) < nVal2;
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}
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};
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/*************************************************************************
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* class SwTaggedPDFHelper
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* Analyses a given frame during painting and generates the appropriate
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* structure elements.
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*************************************************************************/
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class SwTaggedPDFHelper
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{
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private:
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// This will be incremented for each BeginTag() call.
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// It denotes the number of tags to close during EndStructureElements();
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sal_uInt8 nEndStructureElement;
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// If an already existing tag is reopened for follows of flow frames,
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// this value stores the tag id which has to be restored.
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sal_Int32 nRestoreCurrentTag;
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vcl::PDFExtOutDevData* mpPDFExtOutDevData;
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const Num_Info* mpNumInfo;
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const Frm_Info* mpFrmInfo;
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const Por_Info* mpPorInfo;
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void BeginTag( vcl::PDFWriter::StructElement aTagRole, const String& rTagName );
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void EndTag();
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void SetAttributes( vcl::PDFWriter::StructElement eType );
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// These functions are called by the c'tor, d'tor
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void BeginNumberedListStructureElements();
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void BeginBlockStructureElements();
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void BeginInlineStructureElements();
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void EndStructureElements();
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bool CheckReopenTag();
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bool CheckRestoreTag() const;
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public:
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// pFrmInfo != 0 => BeginBlockStructureElement
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// pPorInfo != 0 => BeginInlineStructureElement
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// pFrmInfo, pPorInfo = 0 => BeginNonStructureElement
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SwTaggedPDFHelper( const Num_Info* pNumInfo, const Frm_Info* pFrmInfo, const Por_Info* pPorInfo,
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OutputDevice& rOut );
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~SwTaggedPDFHelper();
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static bool IsExportTaggedPDF( const OutputDevice& rOut );
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};
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/*************************************************************************
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* class SwEnhancedPDFExportHelper
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* Analyses the document structure and export Notes, Hyperlinks, References,
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* and Outline. Link ids created during pdf export are stored in
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* aReferenceIdMap and aHyperlinkIdMap, in order to use them during
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* tagged pdf output. Therefore the SwEnhancedPDFExportHelper is used
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* before painting. Unfortunately links from the EditEngine into the
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* Writer document require to be exported after they have been painted.
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* Therefore SwEnhancedPDFExportHelper also has to be used after the
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* painting process, the parameter bEditEngineOnly indicated that only
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* the bookmarks from the EditEngine have to be processed.
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*************************************************************************/
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typedef std::set< long, lt_TableColumn > TableColumnsMapEntry;
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typedef std::pair< SwRect, sal_Int32 > IdMapEntry;
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typedef std::vector< IdMapEntry > LinkIdMap;
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typedef std::map< const SwTable*, TableColumnsMapEntry > TableColumnsMap;
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typedef std::map< const SwNumberTreeNode*, sal_Int32 > NumListIdMap;
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typedef std::map< const SwNumberTreeNode*, sal_Int32 > NumListBodyIdMap;
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typedef std::map< const void*, sal_Int32 > FrmTagIdMap;
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class SwEnhancedPDFExportHelper
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{
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private:
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SwEditShell& mrSh;
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OutputDevice& mrOut;
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StringRangeEnumerator* mpRangeEnum;
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/** The problem is that numbers in StringRangeEnumerator aren't accordant
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* to real page numbers if mbSkipEmptyPages is true, because in this case
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* empty pages are excluded from a page range and numbers in
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* StringRangeEnumerator are shifted.
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*
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* maPageNumberMap[real_page_number] is either a corresponding page number
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* in a page range without empty pages, or -1 if this page is empty. */
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std::vector< sal_Int32 > maPageNumberMap;
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bool mbSkipEmptyPages;
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bool mbEditEngineOnly;
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static TableColumnsMap aTableColumnsMap;
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static LinkIdMap aLinkIdMap;
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static NumListIdMap aNumListIdMap;
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static NumListBodyIdMap aNumListBodyIdMap;
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static FrmTagIdMap aFrmTagIdMap;
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static LanguageType eLanguageDefault;
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void EnhancedPDFExport();
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sal_Int32 CalcOutputPageNum( const SwRect& rRect ) const;
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std::vector< sal_Int32 > CalcOutputPageNums( const SwRect& rRect ) const;
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void MakeHeaderFooterLinks( vcl::PDFExtOutDevData& rPDFExtOutDevData,
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const SwTxtNode& rTNd, const SwRect& rLinkRect,
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sal_Int32 nDestId, const String& rURL, bool bIntern ) const;
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public:
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SwEnhancedPDFExportHelper( SwEditShell& rSh,
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OutputDevice& rOut,
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const OUString& rPageRange,
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bool bSkipEmptyPages,
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bool bEditEngineOnly );
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~SwEnhancedPDFExportHelper();
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static TableColumnsMap& GetTableColumnsMap() {return aTableColumnsMap; }
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static LinkIdMap& GetLinkIdMap() { return aLinkIdMap; }
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static NumListIdMap& GetNumListIdMap() {return aNumListIdMap; }
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static NumListBodyIdMap& GetNumListBodyIdMap() {return aNumListBodyIdMap; }
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static FrmTagIdMap& GetFrmTagIdMap() { return aFrmTagIdMap; }
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static LanguageType GetDefaultLanguage() {return eLanguageDefault; }
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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