mirror of
https://github.com/ultimatepp/ultimatepp.git
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341 lines
12 KiB
C++
341 lines
12 KiB
C++
/******************************************************************************
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* $Id: pdfobject.h 27329 2014-05-14 16:24:17Z 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) 2011-2014, 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 PDFOBJECT_H_INCLUDED
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#define PDFOBJECT_H_INCLUDED
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#include "cpl_string.h"
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#include <map>
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#include <vector>
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#define DEFAULT_DPI (72.0)
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#define USER_UNIT_IN_INCH (1.0 / DEFAULT_DPI)
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#ifdef HAVE_POPPLER
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/* begin of poppler xpdf includes */
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#include <poppler/Object.h>
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#define private public /* Ugly! Page::pageObj is private but we need it... */
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#include <poppler/Page.h>
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#undef private
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#include <poppler/Dict.h>
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#define private public /* Ugly! Catalog::optContent is private but we need it... */
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#include <poppler/Catalog.h>
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#undef private
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#define private public /* Ugly! PDFDoc::str is private but we need it... */
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#include <poppler/PDFDoc.h>
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#undef private
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#include <poppler/splash/SplashBitmap.h>
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#include <poppler/splash/Splash.h>
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#include <poppler/SplashOutputDev.h>
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#include <poppler/GlobalParams.h>
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#include <poppler/ErrorCodes.h>
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/* end of poppler xpdf includes */
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#endif // HAVE_POPPLER
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#ifdef HAVE_PODOFO
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/*
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* Some Windows header defines a GetObject macro that
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* shadows a GetObject() method in PoDoFo. This
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* workaround is documented in the PoDoFo source.
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*/
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#ifdef GetObject
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#undef GetObject
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#endif
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#include "podofo.h"
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#endif // HAVE_PODOFO
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double ROUND_TO_INT_IF_CLOSE(double x, double eps = 0);
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typedef enum
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{
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PDFObjectType_Unknown,
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PDFObjectType_Null,
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PDFObjectType_Bool,
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PDFObjectType_Int,
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PDFObjectType_Real,
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PDFObjectType_String,
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PDFObjectType_Name,
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PDFObjectType_Array,
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PDFObjectType_Dictionary
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} GDALPDFObjectType;
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class GDALPDFDictionary;
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class GDALPDFArray;
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class GDALPDFStream;
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class GDALPDFObjectRW;
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class GDALPDFDictionaryRW;
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class GDALPDFArrayRW;
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class GDALPDFObject
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{
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protected:
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virtual const char* GetTypeNameNative() = 0;
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public:
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virtual ~GDALPDFObject();
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virtual GDALPDFObjectType GetType() = 0;
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virtual const char* GetTypeName();
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virtual int GetBool() = 0;
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virtual int GetInt() = 0;
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virtual double GetReal() = 0;
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virtual int CanRepresentRealAsString() { return FALSE; }
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virtual const CPLString& GetString() = 0;
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virtual const CPLString& GetName() = 0;
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virtual GDALPDFDictionary* GetDictionary() = 0;
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virtual GDALPDFArray* GetArray() = 0;
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virtual GDALPDFStream* GetStream() = 0;
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virtual int GetRefNum() = 0;
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virtual int GetRefGen() = 0;
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GDALPDFObject* LookupObject(const char* pszPath);
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void Serialize(CPLString& osStr);
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CPLString Serialize() { CPLString osStr; Serialize(osStr); return osStr; }
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GDALPDFObjectRW* Clone();
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};
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class GDALPDFDictionary
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{
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public:
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virtual ~GDALPDFDictionary();
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virtual GDALPDFObject* Get(const char* pszKey) = 0;
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virtual std::map<CPLString, GDALPDFObject*>& GetValues() = 0;
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GDALPDFObject* LookupObject(const char* pszPath);
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void Serialize(CPLString& osStr);
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CPLString Serialize() { CPLString osStr; Serialize(osStr); return osStr; }
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GDALPDFDictionaryRW* Clone();
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};
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class GDALPDFArray
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{
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public:
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virtual ~GDALPDFArray();
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virtual int GetLength() = 0;
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virtual GDALPDFObject* Get(int nIndex) = 0;
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void Serialize(CPLString& osStr);
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CPLString Serialize() { CPLString osStr; Serialize(osStr); return osStr; }
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GDALPDFArrayRW* Clone();
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};
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class GDALPDFStream
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{
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public:
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virtual ~GDALPDFStream();
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virtual int GetLength() = 0;
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virtual char* GetBytes() = 0;
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};
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class GDALPDFObjectRW : public GDALPDFObject
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{
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private:
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GDALPDFObjectType m_eType;
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int m_nVal;
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double m_dfVal;
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CPLString m_osVal;
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GDALPDFDictionaryRW *m_poDict;
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GDALPDFArrayRW *m_poArray;
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int m_nNum;
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int m_nGen;
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int m_bCanRepresentRealAsString;
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GDALPDFObjectRW(GDALPDFObjectType eType);
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protected:
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virtual const char* GetTypeNameNative();
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public:
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static GDALPDFObjectRW* CreateIndirect(int nNum, int nGen);
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static GDALPDFObjectRW* CreateNull();
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static GDALPDFObjectRW* CreateBool(int bVal);
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static GDALPDFObjectRW* CreateInt(int nVal);
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static GDALPDFObjectRW* CreateReal(double dfVal, int bCanRepresentRealAsString = FALSE);
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static GDALPDFObjectRW* CreateString(const char* pszStr);
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static GDALPDFObjectRW* CreateName(const char* pszName);
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static GDALPDFObjectRW* CreateDictionary(GDALPDFDictionaryRW* poDict);
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static GDALPDFObjectRW* CreateArray(GDALPDFArrayRW* poArray);
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virtual ~GDALPDFObjectRW();
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virtual GDALPDFObjectType GetType();
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virtual int GetBool();
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virtual int GetInt();
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virtual double GetReal();
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virtual int CanRepresentRealAsString() { return m_bCanRepresentRealAsString; }
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virtual const CPLString& GetString();
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virtual const CPLString& GetName();
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virtual GDALPDFDictionary* GetDictionary();
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virtual GDALPDFArray* GetArray();
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virtual GDALPDFStream* GetStream();
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virtual int GetRefNum();
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virtual int GetRefGen();
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};
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class GDALPDFDictionaryRW : public GDALPDFDictionary
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{
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private:
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std::map<CPLString, GDALPDFObject*> m_map;
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public:
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GDALPDFDictionaryRW();
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virtual ~GDALPDFDictionaryRW();
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virtual GDALPDFObject* Get(const char* pszKey);
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virtual std::map<CPLString, GDALPDFObject*>& GetValues();
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GDALPDFDictionaryRW& Add(const char* pszKey, GDALPDFObject* poVal);
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GDALPDFDictionaryRW& Remove(const char* pszKey);
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GDALPDFDictionaryRW& Add(const char* pszKey, GDALPDFArrayRW* poArray) { return Add(pszKey, GDALPDFObjectRW::CreateArray(poArray)); }
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GDALPDFDictionaryRW& Add(const char* pszKey, GDALPDFDictionaryRW* poDict) { return Add(pszKey, GDALPDFObjectRW::CreateDictionary(poDict)); }
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GDALPDFDictionaryRW& Add(const char* pszKey, const char* pszVal) { return Add(pszKey, GDALPDFObjectRW::CreateString(pszVal)); }
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GDALPDFDictionaryRW& Add(const char* pszKey, int nVal) { return Add(pszKey, GDALPDFObjectRW::CreateInt(nVal)); }
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GDALPDFDictionaryRW& Add(const char* pszKey, double dfVal, int bCanRepresentRealAsString = FALSE) { return Add(pszKey, GDALPDFObjectRW::CreateReal(dfVal, bCanRepresentRealAsString)); }
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GDALPDFDictionaryRW& Add(const char* pszKey, int nNum, int nGen) { return Add(pszKey, GDALPDFObjectRW::CreateIndirect(nNum, nGen)); }
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};
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class GDALPDFArrayRW : public GDALPDFArray
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{
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private:
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std::vector<GDALPDFObject*> m_array;
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public:
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GDALPDFArrayRW();
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virtual ~GDALPDFArrayRW();
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virtual int GetLength();
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virtual GDALPDFObject* Get(int nIndex);
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GDALPDFArrayRW& Add(GDALPDFObject* poObj);
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GDALPDFArrayRW& Add(GDALPDFArrayRW* poArray) { return Add(GDALPDFObjectRW::CreateArray(poArray)); }
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GDALPDFArrayRW& Add(GDALPDFDictionaryRW* poDict) { return Add(GDALPDFObjectRW::CreateDictionary(poDict)); }
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GDALPDFArrayRW& Add(const char* pszVal) { return Add(GDALPDFObjectRW::CreateString(pszVal)); }
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GDALPDFArrayRW& Add(int nVal) { return Add(GDALPDFObjectRW::CreateInt(nVal)); }
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GDALPDFArrayRW& Add(double dfVal, int bCanRepresentRealAsString = FALSE) { return Add(GDALPDFObjectRW::CreateReal(dfVal, bCanRepresentRealAsString)); }
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GDALPDFArrayRW& Add(double* padfVal, int nCount, int bCanRepresentRealAsString = FALSE);
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GDALPDFArrayRW& Add(int nNum, int nGen) { return Add(GDALPDFObjectRW::CreateIndirect(nNum, nGen)); }
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};
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#ifdef HAVE_POPPLER
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class GDALPDFObjectPoppler : public GDALPDFObject
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{
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private:
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Object* m_po;
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int m_bDestroy;
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GDALPDFDictionary* m_poDict;
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GDALPDFArray* m_poArray;
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GDALPDFStream* m_poStream;
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CPLString osStr;
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int m_nRefNum;
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int m_nRefGen;
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protected:
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virtual const char* GetTypeNameNative();
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public:
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GDALPDFObjectPoppler(Object* po, int bDestroy) :
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m_po(po), m_bDestroy(bDestroy),
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m_poDict(NULL), m_poArray(NULL), m_poStream(NULL),
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m_nRefNum(0), m_nRefGen(0) {}
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void SetRefNumAndGen(int nNum, int nGen);
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virtual ~GDALPDFObjectPoppler();
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virtual GDALPDFObjectType GetType();
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virtual int GetBool();
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virtual int GetInt();
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virtual double GetReal();
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virtual const CPLString& GetString();
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virtual const CPLString& GetName();
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virtual GDALPDFDictionary* GetDictionary();
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virtual GDALPDFArray* GetArray();
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virtual GDALPDFStream* GetStream();
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virtual int GetRefNum();
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virtual int GetRefGen();
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};
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GDALPDFArray* GDALPDFCreateArray(Array* array);
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#endif // HAVE_POPPLER
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#ifdef HAVE_PODOFO
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class GDALPDFObjectPodofo : public GDALPDFObject
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{
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private:
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PoDoFo::PdfObject* m_po;
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PoDoFo::PdfVecObjects& m_poObjects;
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GDALPDFDictionary* m_poDict;
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GDALPDFArray* m_poArray;
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GDALPDFStream* m_poStream;
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CPLString osStr;
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protected:
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virtual const char* GetTypeNameNative();
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public:
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GDALPDFObjectPodofo(PoDoFo::PdfObject* po, PoDoFo::PdfVecObjects& poObjects);
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virtual ~GDALPDFObjectPodofo();
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virtual GDALPDFObjectType GetType();
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virtual int GetBool();
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virtual int GetInt();
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virtual double GetReal();
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virtual const CPLString& GetString();
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virtual const CPLString& GetName();
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virtual GDALPDFDictionary* GetDictionary();
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virtual GDALPDFArray* GetArray();
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virtual GDALPDFStream* GetStream();
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virtual int GetRefNum();
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virtual int GetRefGen();
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};
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#endif // HAVE_PODOFO
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#endif // PDFOBJECT_H_INCLUDED
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