/src/gdal/ogr/ogrsf_frmts/idrisi/ogr_idrisi.h
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1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: Idrisi Translator |
4 | | * Purpose: Definition of classes for OGR Idrisi driver. |
5 | | * Author: Even Rouault, even dot rouault at spatialys.com |
6 | | * |
7 | | ****************************************************************************** |
8 | | * Copyright (c) 2011-2012, Even Rouault <even dot rouault at spatialys.com> |
9 | | * |
10 | | * SPDX-License-Identifier: MIT |
11 | | ****************************************************************************/ |
12 | | |
13 | | #ifndef OGR_IDRISI_H_INCLUDED |
14 | | #define OGR_IDRISI_H_INCLUDED |
15 | | |
16 | | #include "ogrsf_frmts.h" |
17 | | |
18 | | /************************************************************************/ |
19 | | /* OGRIdrisiLayer */ |
20 | | /************************************************************************/ |
21 | | |
22 | | class OGRIdrisiLayer final : public OGRLayer, |
23 | | public OGRGetNextFeatureThroughRaw<OGRIdrisiLayer> |
24 | | { |
25 | | protected: |
26 | | OGRFeatureDefn *poFeatureDefn; |
27 | | OGRSpatialReference *poSRS; |
28 | | OGRwkbGeometryType eGeomType; |
29 | | |
30 | | VSILFILE *fp; |
31 | | VSILFILE *fpAVL; |
32 | | bool bEOF; |
33 | | |
34 | | int nNextFID; |
35 | | |
36 | | bool bExtentValid; |
37 | | double dfMinX; |
38 | | double dfMinY; |
39 | | double dfMaxX; |
40 | | double dfMaxY; |
41 | | |
42 | | unsigned int nTotalFeatures; |
43 | | |
44 | | bool Detect_AVL_ADC(const char *pszFilename); |
45 | | void ReadAVLLine(OGRFeature *poFeature); |
46 | | |
47 | | OGRFeature *GetNextRawFeature(); |
48 | | |
49 | | public: |
50 | | OGRIdrisiLayer(const char *pszFilename, const char *pszLayerName, |
51 | | VSILFILE *fp, OGRwkbGeometryType eGeomType, |
52 | | const char *pszWTKString); |
53 | | virtual ~OGRIdrisiLayer(); |
54 | | |
55 | | virtual void ResetReading() override; |
56 | | DEFINE_GET_NEXT_FEATURE_THROUGH_RAW(OGRIdrisiLayer) |
57 | | |
58 | | virtual OGRFeatureDefn *GetLayerDefn() override |
59 | 0 | { |
60 | 0 | return poFeatureDefn; |
61 | 0 | } |
62 | | |
63 | | virtual int TestCapability(const char *) override; |
64 | | |
65 | | void SetExtent(double dfMinX, double dfMinY, double dfMaxX, double dfMaxY); |
66 | | virtual OGRErr IGetExtent(int iGeomField, OGREnvelope *psExtent, |
67 | | bool bForce) override; |
68 | | |
69 | | virtual GIntBig GetFeatureCount(int bForce = TRUE) override; |
70 | | }; |
71 | | |
72 | | /************************************************************************/ |
73 | | /* OGRIdrisiDataSource */ |
74 | | /************************************************************************/ |
75 | | |
76 | | class OGRIdrisiDataSource final : public GDALDataset |
77 | | { |
78 | | OGRLayer **papoLayers = nullptr; |
79 | | int nLayers = 0; |
80 | | |
81 | | public: |
82 | | OGRIdrisiDataSource(); |
83 | | virtual ~OGRIdrisiDataSource(); |
84 | | |
85 | | int Open(const char *pszFilename); |
86 | | |
87 | | virtual int GetLayerCount() override |
88 | 0 | { |
89 | 0 | return nLayers; |
90 | 0 | } |
91 | | |
92 | | virtual OGRLayer *GetLayer(int) override; |
93 | | }; |
94 | | |
95 | | #endif // ndef OGR_IDRISI_H_INCLUDED |