1 : /******************************************************************************
2 : * $Id: pdfobject.h 22503 2011-06-04 22:08:34Z rouault $
3 : *
4 : * Project: PDF driver
5 : * Purpose: GDALDataset driver for PDF dataset.
6 : * Author: Even Rouault, <even dot rouault at mines dash paris dot org>
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2011, Even Rouault
10 : *
11 : * Permission is hereby granted, free of charge, to any person obtaining a
12 : * copy of this software and associated documentation files (the "Software"),
13 : * to deal in the Software without restriction, including without limitation
14 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 : * and/or sell copies of the Software, and to permit persons to whom the
16 : * Software is furnished to do so, subject to the following conditions:
17 : *
18 : * The above copyright notice and this permission notice shall be included
19 : * in all copies or substantial portions of the Software.
20 : *
21 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 : * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 : * DEALINGS IN THE SOFTWARE.
28 : ****************************************************************************/
29 :
30 : #ifndef PDFOBJECT_H_INCLUDED
31 : #define PDFOBJECT_H_INCLUDED
32 :
33 : #include "cpl_string.h"
34 : #include <map>
35 :
36 : #ifdef USE_POPPLER
37 :
38 : /* begin of poppler xpdf includes */
39 : #include <poppler/Object.h>
40 :
41 : #define private public /* Ugly! Page::pageObj is private but we need it... */
42 : #include <poppler/Page.h>
43 : #undef private
44 :
45 : #include <poppler/Dict.h>
46 :
47 : #define private public /* Ugly! Catalog::optContent is private but we need it... */
48 : #include <poppler/Catalog.h>
49 : #undef private
50 :
51 : #define private public /* Ugly! PDFDoc::str is private but we need it... */
52 : #include <poppler/PDFDoc.h>
53 : #undef private
54 :
55 : #include <poppler/splash/SplashBitmap.h>
56 : #include <poppler/splash/Splash.h>
57 : #include <poppler/SplashOutputDev.h>
58 : #include <poppler/GlobalParams.h>
59 : #include <poppler/ErrorCodes.h>
60 : /* end of poppler xpdf includes */
61 :
62 : #else
63 :
64 : #include "podofo.h"
65 :
66 : #endif
67 :
68 : typedef enum
69 : {
70 : PDFObjectType_Unknown,
71 : PDFObjectType_Int,
72 : PDFObjectType_Real,
73 : PDFObjectType_String,
74 : PDFObjectType_Name,
75 : PDFObjectType_Array,
76 : PDFObjectType_Dictionary
77 : } GDALPDFObjectType;
78 :
79 : class GDALPDFDictionary;
80 : class GDALPDFArray;
81 :
82 : class GDALPDFObject
83 142 : {
84 : public:
85 : virtual ~GDALPDFObject();
86 :
87 : virtual GDALPDFObjectType GetType() = 0;
88 : virtual const char* GetTypeName() = 0;
89 : virtual int GetInt() = 0;
90 : virtual double GetReal() = 0;
91 : virtual const CPLString& GetString() = 0;
92 : virtual const CPLString& GetName() = 0;
93 : virtual GDALPDFDictionary* GetDictionary() = 0;
94 : virtual GDALPDFArray* GetArray() = 0;
95 : };
96 :
97 : class GDALPDFDictionary
98 16 : {
99 : public:
100 : virtual ~GDALPDFDictionary();
101 :
102 : virtual GDALPDFObject* Get(const char* pszKey) = 0;
103 : virtual std::map<CPLString, GDALPDFObject*>& GetValues() = 0;
104 :
105 : };
106 :
107 : class GDALPDFArray
108 18 : {
109 : public:
110 : virtual ~GDALPDFArray();
111 :
112 : virtual int GetLength() = 0;
113 : virtual GDALPDFObject* Get(int nIndex) = 0;
114 : };
115 :
116 :
117 : #ifdef USE_POPPLER
118 :
119 : class GDALPDFObjectPoppler : public GDALPDFObject
120 : {
121 : private:
122 : Object* m_po;
123 : int m_bDestroy;
124 : GDALPDFDictionary* m_poDict;
125 : GDALPDFArray* m_poArray;
126 : CPLString osStr;
127 :
128 : public:
129 142 : GDALPDFObjectPoppler(Object* po, int bDestroy) : m_po(po), m_bDestroy(bDestroy), m_poDict(NULL), m_poArray(NULL) {}
130 :
131 : virtual ~GDALPDFObjectPoppler();
132 :
133 : virtual GDALPDFObjectType GetType();
134 : virtual const char* GetTypeName();
135 : virtual int GetInt();
136 : virtual double GetReal();
137 : virtual const CPLString& GetString();
138 : virtual const CPLString& GetName();
139 : virtual GDALPDFDictionary* GetDictionary();
140 : virtual GDALPDFArray* GetArray();
141 : };
142 :
143 : #else
144 :
145 : class GDALPDFObjectPodofo : public GDALPDFObject
146 : {
147 : private:
148 : PoDoFo::PdfObject* m_po;
149 : PoDoFo::PdfVecObjects& m_poObjects;
150 : GDALPDFDictionary* m_poDict;
151 : GDALPDFArray* m_poArray;
152 : CPLString osStr;
153 :
154 : public:
155 : GDALPDFObjectPodofo(PoDoFo::PdfObject* po, PoDoFo::PdfVecObjects& poObjects);
156 :
157 : virtual ~GDALPDFObjectPodofo();
158 :
159 : virtual GDALPDFObjectType GetType();
160 : virtual const char* GetTypeName();
161 : virtual int GetInt();
162 : virtual double GetReal();
163 : virtual const CPLString& GetString();
164 : virtual const CPLString& GetName();
165 : virtual GDALPDFDictionary* GetDictionary();
166 : virtual GDALPDFArray* GetArray();
167 : };
168 :
169 : #endif
170 :
171 : #endif // PDFOBJECT_H_INCLUDED
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