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#include <inttypes.h>
/*
* OGC WellKnownBinaryGeometry
*/
/*
* 3d geometries are encode as in OGR by adding WKB3DOFFSET to the type.
*/
#define WKB3DOFFSET 0x80000000
typedef unsigned char byte;
typedef uint32_t uint32;
typedef struct Point_t {
double x;
double y;
double z;
} Point;
typedef struct LinearRing_t {
uint32 numPoints;
Point points[1]; // [numPoints]
} LinearRing;
enum wkbGeometryType {
wkbPoint = 1,
wkbLineString = 2,
wkbPolygon = 3,
wkbMultiPoint = 4,
wkbMultiLineString = 5,
wkbMultiPolygon = 6,
wkbGeometryCollection = 7
};
enum wkbByteOrder {
wkbXDR = 0, // Big Endian
wkbNDR = 1 // Little Endian
};
typedef struct WKBPoint_t {
byte byteOrder;
uint32 wkbType; // 1
Point point;
} WKBPoint;
typedef struct WKBLineString_t {
byte byteOrder;
uint32 wkbType; // 2
uint32 numPoints;
Point points[1]; // [numPoints]
} WKBLineString;
typedef struct WKBPolygon_t {
byte byteOrder;
uint32 wkbType; // 3
uint32 numRings;
LinearRing rings[1]; // [numRings]
} WKBPolygon;
typedef struct WKBMultiPoint_t {
byte byteOrder;
uint32 wkbType; // 4
uint32 num_wkbPoints;
WKBPoint WKBPoints[1]; // [num_wkbPoints];
} WKBMultiPoint;
typedef struct WKBMultiLineString_t {
byte byteOrder;
uint32 wkbType; // 5
uint32 num_wkbLineStrings;
WKBLineString WKBLineStrings[1]; // [num_wkbLineStrings];
} WKBMultiLineString;
typedef struct WKBMultiPolygon_t {
byte byteOrder;
uint32 wkbType; // 6
uint32 num_wkbPolygons;
WKBPolygon wkbPolygons[1]; // [num_wkbPolygons];
} WKBMultiPolygon;
typedef struct WKBGeometryCollection_t {
byte byteOrder;
uint32 wkbType; // 7
uint32 num_wkbGeometries;
char wkbGeometries[1]; // WKBGeometry [num_wkbGeometries];
} WKBGeometryCollection;
#if 0
typedef struct WKBGeometry_t {
union {
WKBPoint point;
WKBLineString linestring;
WKBPolygon polygon;
WKBGeometryCollection collection;
WKBMultiPoint mpoint;
WKBMultiLineString mlinestring;
WKBMultiPolygon mpolygon;
};
} WKBGeometry;
#endif
typedef struct WKBGeometry_t {
byte byteOrder;
uint32 wkbType;
} WKBGeometry;
/* Functions prototype */
char getbyte(char *c);
void skipbyte(char **c);
char popbyte(char **c);
int popint(char **c);
int getint(char *c);
void skipint(char **c);
double popdouble(char **c);
double getdouble(char *c);
void skipdouble(char **c);
void dump_wkb(char *wkb);
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