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287 lines
9.9 KiB
C++
287 lines
9.9 KiB
C++
/******************************************************************************
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* $Id: pdfcreatecopy.h 27044 2014-03-16 23:41:27Z rouault $
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*
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* Project: PDF driver
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* Purpose: GDALDataset driver for PDF dataset.
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* Author: Even Rouault, <even dot rouault at mines dash paris dot org>
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*
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******************************************************************************
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* Copyright (c) 2012-2013, Even Rouault <even dot rouault at mines-paris dot org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#ifndef PDFCREATECOPY_H_INCLUDED
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#define PDFCREATECOPY_H_INCLUDED
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#include "pdfobject.h"
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#include "gdal_priv.h"
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#include <vector>
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#include <map>
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#ifdef OGR_ENABLED
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#include "ogr_api.h"
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#endif
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typedef enum
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{
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COMPRESS_NONE,
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COMPRESS_DEFLATE,
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COMPRESS_JPEG,
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COMPRESS_JPEG2000,
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COMPRESS_DEFAULT
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} PDFCompressMethod;
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typedef struct
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{
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int nLeft;
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int nRight;
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int nTop;
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int nBottom;
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} PDFMargins;
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/************************************************************************/
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/* GDALPDFWriter */
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/************************************************************************/
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class GDALXRefEntry
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{
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public:
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vsi_l_offset nOffset;
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int nGen;
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int bFree;
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GDALXRefEntry() : nOffset(0), nGen(0), bFree(FALSE) {}
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GDALXRefEntry(vsi_l_offset nOffsetIn, int nGenIn = 0) : nOffset(nOffsetIn), nGen(nGenIn), bFree(FALSE) {}
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GDALXRefEntry(const GDALXRefEntry& oOther) : nOffset(oOther.nOffset), nGen(oOther.nGen), bFree(oOther.bFree) {}
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GDALXRefEntry& operator= (const GDALXRefEntry& oOther) { nOffset = oOther.nOffset; nGen = oOther.nGen; bFree = oOther.bFree; return *this; }
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};
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class GDALPDFImageDesc
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{
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public:
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int nImageId;
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double dfXOff;
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double dfYOff;
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double dfXSize;
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double dfYSize;
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};
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class GDALPDFLayerDesc
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{
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public:
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int nOGCId;
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int nOCGTextId;
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int nFeatureLayerId;
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CPLString osLayerName;
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int bWriteOGRAttributes;
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std::vector<int> aIds;
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std::vector<int> aIdsText;
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std::vector<int> aUserPropertiesIds;
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std::vector<CPLString> aFeatureNames;
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};
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class GDALPDFRasterDesc
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{
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public:
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int nOCGRasterId;
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std::vector<GDALPDFImageDesc> asImageDesc;
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};
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class GDALPDFPageContext
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{
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public:
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GDALDataset* poClippingDS;
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PDFCompressMethod eStreamCompressMethod;
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double dfDPI;
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PDFMargins sMargins;
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int nPageId;
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int nContentId;
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int nResourcesId;
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std::vector<GDALPDFLayerDesc> asVectorDesc;
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std::vector<GDALPDFRasterDesc> asRasterDesc;
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int nAnnotsId;
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std::vector<int> anAnnotationsId;
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};
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class GDALPDFOCGDesc
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{
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public:
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int nId;
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int nParentId;
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CPLString osLayerName;
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};
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class GDALPDFWriter
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{
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VSILFILE* fp;
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std::vector<GDALXRefEntry> asXRefEntries;
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std::vector<int> asPageId;
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std::vector<GDALPDFOCGDesc> asOCGs;
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std::map<CPLString,GDALPDFImageDesc> oMapSymbolFilenameToDesc;
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int nInfoId;
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int nInfoGen;
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int nPageResourceId;
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int nStructTreeRootId;
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int nCatalogId;
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int nCatalogGen;
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int nXMPId;
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int nXMPGen;
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int nNamesId;
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int bInWriteObj;
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vsi_l_offset nLastStartXRef;
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int nLastXRefSize;
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int bCanUpdate;
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GDALPDFPageContext oPageContext;
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CPLString osOffLayers;
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CPLString osExclusiveLayers;
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void Init();
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void StartObj(int nObjectId, int nGen = 0);
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void EndObj();
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void WriteXRefTableAndTrailer();
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void WritePages();
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int WriteBlock( GDALDataset* poSrcDS,
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int nXOff, int nYOff, int nReqXSize, int nReqYSize,
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int nColorTableId,
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PDFCompressMethod eCompressMethod,
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int nPredictor,
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int nJPEGQuality,
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const char* pszJPEG2000_DRIVER,
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GDALProgressFunc pfnProgress,
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void * pProgressData );
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int WriteMask(GDALDataset* poSrcDS,
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int nXOff, int nYOff, int nReqXSize, int nReqYSize,
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PDFCompressMethod eCompressMethod);
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int WriteOCG(const char* pszLayerName, int nParentId = 0);
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int WriteColorTable(GDALDataset* poSrcDS);
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int AllocNewObject();
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public:
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GDALPDFWriter(VSILFILE* fpIn, int bAppend = FALSE);
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~GDALPDFWriter();
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void Close();
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int GetCatalogNum() { return nCatalogId; }
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int GetCatalogGen() { return nCatalogGen; }
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int ParseTrailerAndXRef();
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void UpdateProj(GDALDataset* poSrcDS,
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double dfDPI,
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GDALPDFDictionaryRW* poPageDict,
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int nPageNum, int nPageGen);
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void UpdateInfo(GDALDataset* poSrcDS);
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void UpdateXMP (GDALDataset* poSrcDS,
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GDALPDFDictionaryRW* poCatalogDict);
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int WriteSRS_ISO32000(GDALDataset* poSrcDS,
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double dfUserUnit,
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const char* pszNEATLINE,
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PDFMargins* psMargins,
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int bWriteViewport);
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int WriteSRS_OGC_BP(GDALDataset* poSrcDS,
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double dfUserUnit,
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const char* pszNEATLINE,
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PDFMargins* psMargins);
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int StartPage(GDALDataset* poSrcDS,
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double dfDPI,
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const char* pszGEO_ENCODING,
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const char* pszNEATLINE,
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PDFMargins* psMargins,
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PDFCompressMethod eStreamCompressMethod,
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int bHasOGRData);
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int WriteImagery(GDALDataset* poDS,
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const char* pszLayerName,
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PDFCompressMethod eCompressMethod,
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int nPredictor,
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int nJPEGQuality,
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const char* pszJPEG2000_DRIVER,
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int nBlockXSize, int nBlockYSize,
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GDALProgressFunc pfnProgress,
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void * pProgressData);
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int WriteClippedImagery(GDALDataset* poDS,
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const char* pszLayerName,
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PDFCompressMethod eCompressMethod,
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int nPredictor,
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int nJPEGQuality,
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const char* pszJPEG2000_DRIVER,
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int nBlockXSize, int nBlockYSize,
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GDALProgressFunc pfnProgress,
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void * pProgressData);
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#ifdef OGR_ENABLED
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int WriteOGRDataSource(const char* pszOGRDataSource,
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const char* pszOGRDisplayField,
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const char* pszOGRDisplayLayerNames,
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const char* pszOGRLinkField,
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int bWriteOGRAttributes);
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GDALPDFLayerDesc StartOGRLayer(CPLString osLayerName,
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int bWriteOGRAttributes);
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void EndOGRLayer(GDALPDFLayerDesc& osVectorDesc);
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int WriteOGRLayer(OGRDataSourceH hDS,
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int iLayer,
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const char* pszOGRDisplayField,
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const char* pszOGRLinkField,
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CPLString osLayerName,
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int bWriteOGRAttributes,
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int& iObj);
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int WriteOGRFeature(GDALPDFLayerDesc& osVectorDesc,
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OGRFeatureH hFeat,
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OGRCoordinateTransformationH hCT,
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const char* pszOGRDisplayField,
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const char* pszOGRLinkField,
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int bWriteOGRAttributes,
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int& iObj,
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int& iObjLayer);
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#endif
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int WriteJavascript(const char* pszJavascript);
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int WriteJavascriptFile(const char* pszJavascriptFile);
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int EndPage(const char* pszExtraImages,
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const char* pszExtraStream,
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const char* pszExtraLayerName,
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const char* pszOffLayers,
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const char* pszExclusiveLayers);
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int SetInfo(GDALDataset* poSrcDS,
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char** papszOptions);
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int SetXMP(GDALDataset* poSrcDS,
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const char* pszXMP);
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};
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GDALDataset *GDALPDFCreateCopy( const char *, GDALDataset *,
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int, char **,
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GDALProgressFunc pfnProgress,
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void * pProgressData );
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#endif // PDFCREATECOPY_H_INCLUDED
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