office-gobmx/sw/inc/EnhancedPDFExportHelper.hxx
2011-10-19 23:13:05 +04:00

261 lines
8.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#ifndef _ENHANCEDPDFEXPORTHELPER_HXX
#define _ENHANCEDPDFEXPORTHELPER_HXX
#include <vcl/pdfextoutdevdata.hxx>
#include <i18npool/lang.h>
#include <swrect.hxx>
#include <swtypes.hxx>
#include <map>
#include <vector>
#include <set>
namespace vcl
{
class PDFExtOutDevData;
}
class OutputDevice;
class SwFrm;
class SwLinePortion;
class SwTxtPainter;
class SwEditShell;
namespace rtl
{
class OUString;
}
class StringRangeEnumerator;
class SwTxtNode;
class SwNumRule;
class SwTable;
class SwNumberTreeNode;
class String;
class SvxLanguageItem;
/*
* Mapping of OOo elements to tagged pdf elements:
*
* OOo element tagged pdf element
* ----------- ------------------
*
* Grouping elements:
*
* SwRootFrm Document
* Part
* Art
* SwSection Sect
* SwFtnContFrm and SwFlyFrm Div
* SwFmt "Quotations" BlockQuote
* SwFmt "Caption" Caption
* SwSection (TOC) TOC
* SwTxtNode in TOC TOCI
* SwSection (Index) Index
*
* Block-Level Structure Elements:
*
* SwTxtNode P
* SwFmt "Heading" H
* SwTxtNode with Outline H1 - H6
* SwTxtNode with NumRule L, LI, LBody
* SwTable Table
* SwRowFrm TR
* SwCellFrm in Headline row or
* SwFtm "Table Heading" TH
* SwCellFrm TD
*
* Inline-Level Structure Elements:
*
* SwTxtPortion Span
* SwFmt "Quotation" Quote
* SwFtnFrm Note
* Form
* Reference
* SwFldPortion (AuthorityField) BibEntry
* SwFmt "Source Text" Code
* SwFtnPortion, SwFldPortion (RefField) Link
*
* Illustration elements:
*
* SwFlyFrm with SwNoTxtFrm Figure
* SwFlyFrm with Math OLE Object Formula
*
*/
struct Num_Info
{
const SwFrm& mrFrm;
Num_Info( const SwFrm& rFrm ) : mrFrm( rFrm ) {};
};
struct Frm_Info
{
const SwFrm& mrFrm;
Frm_Info( const SwFrm& rFrm ) : mrFrm( rFrm ) {};
};
struct Por_Info
{
const SwLinePortion& mrPor;
const SwTxtPainter& mrTxtPainter;
Por_Info( const SwLinePortion& rPor, const SwTxtPainter& rTxtPainer )
: mrPor( rPor ), mrTxtPainter( rTxtPainer ) {};
};
struct lt_TableColumn
{
bool operator()( long nVal1, long nVal2 ) const
{
return nVal1 + ( MINLAY - 1 ) < nVal2;
}
};
/*************************************************************************
* class SwTaggedPDFHelper
* Analyses a given frame during painting and generates the appropriate
* structure elements.
*************************************************************************/
class SwTaggedPDFHelper
{
private:
// This will be incremented for each BeginTag() call.
// It denotes the number of tags to close during EndStructureElements();
sal_uInt8 nEndStructureElement;
// If an already existing tag is reopened for follows of flow frames,
// this value stores the tag id which has to be restored.
sal_Int32 nRestoreCurrentTag;
vcl::PDFExtOutDevData* mpPDFExtOutDevData;
const Num_Info* mpNumInfo;
const Frm_Info* mpFrmInfo;
const Por_Info* mpPorInfo;
void BeginTag( vcl::PDFWriter::StructElement aTagRole, const String& rTagName );
void EndTag();
void SetAttributes( vcl::PDFWriter::StructElement eType );
// These functions are called by the c'tor, d'tor
void BeginNumberedListStructureElements();
void BeginBlockStructureElements();
void BeginInlineStructureElements();
void EndStructureElements();
bool CheckReopenTag();
bool CheckRestoreTag() const;
public:
// pFrmInfo != 0 => BeginBlockStructureElement
// pPorInfo != 0 => BeginInlineStructureElement
// pFrmInfo, pPorInfo = 0 => BeginNonStructureElement
SwTaggedPDFHelper( const Num_Info* pNumInfo, const Frm_Info* pFrmInfo, const Por_Info* pPorInfo,
OutputDevice& rOut );
~SwTaggedPDFHelper();
static bool IsExportTaggedPDF( const OutputDevice& rOut );
};
/*************************************************************************
* class SwEnhancedPDFExportHelper
* Analyses the document structure and export Notes, Hyperlinks, References,
* and Outline. Link ids created during pdf export are stored in
* aReferenceIdMap and aHyperlinkIdMap, in order to use them during
* tagged pdf output. Therefore the SwEnhancedPDFExportHelper is used
* before painting. Unfortunately links from the EditEngine into the
* Writer document require to be exported after they have been painted.
* Therefore SwEnhancedPDFExportHelper also has to be used after the
* painting process, the parameter bEditEngineOnly indicated that only
* the bookmarks from the EditEngine have to be processed.
*************************************************************************/
typedef std::set< long, lt_TableColumn > TableColumnsMapEntry;
typedef std::pair< SwRect, sal_Int32 > IdMapEntry;
typedef std::vector< IdMapEntry > LinkIdMap;
typedef std::map< const SwTable*, TableColumnsMapEntry > TableColumnsMap;
typedef std::map< const SwNumberTreeNode*, sal_Int32 > NumListIdMap;
typedef std::map< const SwNumberTreeNode*, sal_Int32 > NumListBodyIdMap;
typedef std::map< const void*, sal_Int32 > FrmTagIdMap;
class SwEnhancedPDFExportHelper
{
private:
SwEditShell& mrSh;
OutputDevice& mrOut;
StringRangeEnumerator* mpRangeEnum;
std::vector<bool> maIsPageEmpty;
bool mbSkipEmptyPages;
bool mbEditEngineOnly;
static TableColumnsMap aTableColumnsMap;
static LinkIdMap aLinkIdMap;
static NumListIdMap aNumListIdMap;
static NumListBodyIdMap aNumListBodyIdMap;
static FrmTagIdMap aFrmTagIdMap;
static LanguageType eLanguageDefault;
void EnhancedPDFExport();
sal_Int32 CalcOutputPageNum( const SwRect& rRect ) const;
void CalcOutputPageNums( const SwRect& rRect, std::vector<sal_Int32>& rPageNums ) const;
void MakeHeaderFooterLinks( vcl::PDFExtOutDevData& rPDFExtOutDevData,
const SwTxtNode& rTNd, const SwRect& rLinkRect,
sal_Int32 nDestId, const String& rURL, bool bIntern ) const;
public:
SwEnhancedPDFExportHelper( SwEditShell& rSh,
OutputDevice& rOut,
const rtl::OUString& rPageRange,
bool bSkipEmptyPages,
bool bEditEngineOnly );
~SwEnhancedPDFExportHelper();
static TableColumnsMap& GetTableColumnsMap() {return aTableColumnsMap; }
static LinkIdMap& GetLinkIdMap() { return aLinkIdMap; }
static NumListIdMap& GetNumListIdMap() {return aNumListIdMap; }
static NumListBodyIdMap& GetNumListBodyIdMap() {return aNumListBodyIdMap; }
static FrmTagIdMap& GetFrmTagIdMap() { return aFrmTagIdMap; }
static LanguageType GetDefaultLanguage() {return eLanguageDefault; }
};
#endif
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