1 : /******************************************************************************
2 : * $Id: ogr_pdf.h 25325 2012-12-16 21:25:25Z rouault $
3 : *
4 : * Project: PDF Translator
5 : * Purpose: Definition of classes for OGR .pdf driver.
6 : * Author: Even Rouault, even dot rouault at mines dash paris dot org
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2012, Even Rouault <even dot rouault at mines dash paris dot org>
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 _OGR_PDF_H_INCLUDED
31 : #define _OGR_PDF_H_INCLUDED
32 :
33 : #include "ogrsf_frmts.h"
34 :
35 : #include "ogr_mem.h"
36 : #include "gdal_priv.h"
37 : #include "pdfobject.h"
38 :
39 : #include <map>
40 : #include <stack>
41 :
42 : /************************************************************************/
43 : /* OGRPDFLayer */
44 : /************************************************************************/
45 :
46 : class OGRPDFDataSource;
47 :
48 : class OGRPDFLayer : public OGRMemLayer
49 20 : {
50 : OGRPDFDataSource* poDS;
51 : int bGeomTypeSet;
52 : int bGeomTypeMixed;
53 :
54 : public:
55 : OGRPDFLayer(OGRPDFDataSource* poDS,
56 : const char * pszName,
57 : OGRSpatialReference *poSRS,
58 : OGRwkbGeometryType eGeomType);
59 :
60 : void Fill( GDALPDFArray* poArray );
61 :
62 : virtual int TestCapability( const char * );
63 : virtual OGRErr CreateFeature( OGRFeature *poFeature );
64 : };
65 :
66 : /************************************************************************/
67 : /* OGRPDFDataSource */
68 : /************************************************************************/
69 :
70 : #define MAX_TOKEN_SIZE 256
71 : #define TOKEN_STACK_SIZE 8
72 :
73 : class OGRPDFDataSource : public OGRDataSource
74 : {
75 : char* pszName;
76 : char** papszOptions;
77 :
78 : int nLayers;
79 : OGRLayer **papoLayers;
80 :
81 : int bWritable;
82 : int bModified;
83 :
84 : GDALDataset *poGDAL_DS;
85 : GDALPDFObject *poPageObj;
86 : GDALPDFObject *poCatalogObj;
87 : int nXSize;
88 : int nYSize;
89 : double adfGeoTransform[6];
90 : double dfPageWidth;
91 : double dfPageHeight;
92 : void PDFCoordsToSRSCoords(double x, double y,
93 : double& X, double &Y);
94 :
95 : std::map<int,OGRGeometry*> oMapMCID;
96 : void CleanupIntermediateResources();
97 :
98 : std::map<CPLString, int> oMapOperators;
99 : void InitMapOperators();
100 :
101 : int bSetStyle;
102 :
103 : void ExploreTree(GDALPDFObject* poObj, int nRecLevel);
104 : void ExploreContents(GDALPDFObject* poObj, GDALPDFObject* poResources);
105 :
106 : void ExploreContentsNonStructuredInternal(GDALPDFObject* poContents,
107 : GDALPDFObject* poResources,
108 : std::map<CPLString, OGRPDFLayer*>& oMapPropertyToLayer);
109 : void ExploreContentsNonStructured(GDALPDFObject* poObj, GDALPDFObject* poResources);
110 :
111 : int UnstackTokens(const char* pszToken,
112 : int nRequiredArgs,
113 : char aszTokenStack[TOKEN_STACK_SIZE][MAX_TOKEN_SIZE],
114 : int& nTokenStackSize,
115 : double* adfCoords);
116 : OGRGeometry* ParseContent(const char* pszContent,
117 : GDALPDFObject* poResources,
118 : int bInitBDCStack,
119 : int bMatchQ,
120 : std::map<CPLString, OGRPDFLayer*>& oMapPropertyToLayer,
121 : OGRPDFLayer* poCurLayer);
122 : OGRGeometry* BuildGeometry(std::vector<double>& oCoords,
123 : int bHasFoundFill,
124 : int bHasMultiPart);
125 :
126 : public:
127 : OGRPDFDataSource();
128 : ~OGRPDFDataSource();
129 :
130 : int Open( const char * pszName );
131 : int Create( const char * pszName, char **papszOptions );
132 :
133 8 : virtual const char* GetName() { return pszName; }
134 :
135 : virtual int GetLayerCount();
136 : virtual OGRLayer* GetLayer( int );
137 :
138 : virtual int TestCapability( const char * );
139 :
140 : virtual OGRLayer* CreateLayer( const char * pszLayerName,
141 : OGRSpatialReference *poSRS,
142 : OGRwkbGeometryType eType,
143 : char ** papszOptions );
144 :
145 : virtual OGRErr SyncToDisk();
146 :
147 451 : void SetModified() { bModified = TRUE; }
148 : OGRGeometry *GetGeometryFromMCID(int nMCID);
149 : };
150 :
151 : /************************************************************************/
152 : /* OGRPDFDriver */
153 : /************************************************************************/
154 :
155 : class OGRPDFDriver : public OGRSFDriver
156 226 : {
157 : public:
158 : ~OGRPDFDriver();
159 :
160 : virtual const char* GetName();
161 : virtual OGRDataSource* Open( const char *, int );
162 : virtual int TestCapability( const char * );
163 :
164 : virtual OGRDataSource *CreateDataSource( const char *pszName,
165 : char ** = NULL );
166 : virtual OGRErr DeleteDataSource( const char *pszName );
167 : };
168 :
169 :
170 : #endif /* ndef _OGR_PDF_H_INCLUDED */
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