/usr/include/geos_c.h is in libgeos-dev 3.2.2-3ubuntu1.
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*
* $Id: geos_c.h.in 2975 2010-04-17 21:55:53Z strk $
*
* C-Wrapper for GEOS library
*
* Copyright (C) 2005 Refractions Research Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
* Author: Sandro Santilli <strk@refractions.net>
*
***********************************************************************
*
* GENERAL NOTES:
*
* - Remember to call initGEOS() before any use of this library's
* functions, and call finishGEOS() when done.
*
* - Currently you have to explicitly GEOSGeom_destroy() all
* GEOSGeom objects to avoid memory leaks, and to GEOSFree()
* all returned char * (unless const).
*
***********************************************************************/
#ifndef GEOS_C_H_INCLUDED
#define GEOS_C_H_INCLUDED
#ifndef __cplusplus
# include <stddef.h> /* for size_t definition */
#else
# include <cstddef>
using std::size_t;
#endif
#ifdef __cplusplus
extern "C" {
#endif
/************************************************************************
*
* Version
*
***********************************************************************/
/*
* Following 'ifdef' hack fixes problem with generating geos_c.h on Windows,
* when building with Visual C++ compiler.
*
*/
#if defined(_MSC_VER)
#include <geos/version.h>
#define GEOS_CAPI_VERSION_MAJOR 1
#define GEOS_CAPI_VERSION_MINOR 6
#define GEOS_CAPI_VERSION_PATCH 2
#define GEOS_CAPI_VERSION "3.2.2-CAPI-1.6.2"
#else
#ifndef GEOS_VERSION_MAJOR
#define GEOS_VERSION_MAJOR 3
#endif
#ifndef GEOS_VERSION_MINOR
#define GEOS_VERSION_MINOR 2
#endif
#ifndef GEOS_VERSION_PATCH
#define GEOS_VERSION_PATCH 2
#endif
#ifndef GEOS_VERSION
#define GEOS_VERSION "3.2.2"
#endif
#ifndef GEOS_JTS_PORT
#define GEOS_JTS_PORT "1.10.0"
#endif
#define GEOS_CAPI_VERSION_MAJOR 1
#define GEOS_CAPI_VERSION_MINOR 6
#define GEOS_CAPI_VERSION_PATCH 2
#define GEOS_CAPI_VERSION "3.2.2-CAPI-1.6.2"
#endif
#define GEOS_CAPI_FIRST_INTERFACE GEOS_CAPI_VERSION_MAJOR
#define GEOS_CAPI_LAST_INTERFACE (GEOS_CAPI_VERSION_MAJOR+GEOS_CAPI_VERSION_MINOR)
/************************************************************************
*
* (Abstract) type definitions
*
************************************************************************/
typedef void (*GEOSMessageHandler)(const char *fmt, ...);
/* When we're included by geos_c.cpp, those are #defined to the original
* JTS definitions via preprocessor. We don't touch them to allow the
* compiler to cross-check the declarations. However, for all "normal"
* C-API users, we need to define them as "opaque" struct pointers, as
* those clients don't have access to the original C++ headers, by design.
*/
#ifndef GEOSGeometry
typedef struct GEOSGeom_t GEOSGeometry;
typedef struct GEOSPrepGeom_t GEOSPreparedGeometry;
typedef struct GEOSCoordSeq_t GEOSCoordSequence;
typedef struct GEOSSTRtree_t GEOSSTRtree;
#endif
/* Those are compatibility definitions for source compatibility
* with GEOS 2.X clients relying on that type.
*/
typedef GEOSGeometry* GEOSGeom;
typedef GEOSCoordSequence* GEOSCoordSeq;
/* Supported geometry types
* This was renamed from GEOSGeomTypeId in GEOS 2.2.X, which might
* break compatibility, this issue is still under investigation.
*/
enum GEOSGeomTypes {
GEOS_POINT,
GEOS_LINESTRING,
GEOS_LINEARRING,
GEOS_POLYGON,
GEOS_MULTIPOINT,
GEOS_MULTILINESTRING,
GEOS_MULTIPOLYGON,
GEOS_GEOMETRYCOLLECTION
};
/* Byte oders exposed via the c api */
enum GEOSByteOrders {
GEOS_WKB_XDR = 0, /* Big Endian */
GEOS_WKB_NDR = 1 /* Little Endian */
};
typedef struct GEOSContextHandle_HS *GEOSContextHandle_t;
typedef void (*GEOSQueryCallback)(void *item, void *userdata);
/************************************************************************
*
* Initialization, cleanup, version
*
***********************************************************************/
#include <geos/export.h>
extern void GEOS_DLL initGEOS(GEOSMessageHandler notice_function,
GEOSMessageHandler error_function);
extern void GEOS_DLL finishGEOS(void);
extern GEOSContextHandle_t GEOS_DLL initGEOS_r(
GEOSMessageHandler notice_function,
GEOSMessageHandler error_function);
extern void GEOS_DLL finishGEOS_r(GEOSContextHandle_t handle);
extern const char GEOS_DLL *GEOSversion();
/************************************************************************
*
* NOTE - These functions are DEPRECATED. Please use the new Reader and
* writer APIS!
*
***********************************************************************/
extern GEOSGeometry GEOS_DLL *GEOSGeomFromWKT(const char *wkt);
extern char GEOS_DLL *GEOSGeomToWKT(const GEOSGeometry* g);
extern GEOSGeometry GEOS_DLL *GEOSGeomFromWKT_r(GEOSContextHandle_t handle,
const char *wkt);
extern char GEOS_DLL *GEOSGeomToWKT_r(GEOSContextHandle_t handle,
const GEOSGeometry* g);
/*
* Specify whether output WKB should be 2d or 3d.
* Return previously set number of dimensions.
*/
extern int GEOS_DLL GEOS_getWKBOutputDims();
extern int GEOS_DLL GEOS_setWKBOutputDims(int newDims);
extern int GEOS_DLL GEOS_getWKBOutputDims_r(GEOSContextHandle_t handle);
extern int GEOS_DLL GEOS_setWKBOutputDims_r(GEOSContextHandle_t handle,
int newDims);
/*
* Specify whether the WKB byte order is big or little endian.
* The return value is the previous byte order.
*/
extern int GEOS_DLL GEOS_getWKBByteOrder();
extern int GEOS_DLL GEOS_setWKBByteOrder(int byteOrder);
extern GEOSGeometry GEOS_DLL *GEOSGeomFromWKB_buf(const unsigned char *wkb, size_t size);
extern unsigned char GEOS_DLL *GEOSGeomToWKB_buf(const GEOSGeometry* g, size_t *size);
extern GEOSGeometry GEOS_DLL *GEOSGeomFromHEX_buf(const unsigned char *hex, size_t size);
extern unsigned char GEOS_DLL *GEOSGeomToHEX_buf(const GEOSGeometry* g, size_t *size);
extern int GEOS_DLL GEOS_getWKBByteOrder_r(GEOSContextHandle_t handle);
extern int GEOS_DLL GEOS_setWKBByteOrder_r(GEOSContextHandle_t handle,
int byteOrder);
extern GEOSGeometry GEOS_DLL *GEOSGeomFromWKB_buf_r(GEOSContextHandle_t handle,
const unsigned char *wkb,
size_t size);
extern unsigned char GEOS_DLL *GEOSGeomToWKB_buf_r(GEOSContextHandle_t handle,
const GEOSGeometry* g,
size_t *size);
extern GEOSGeometry GEOS_DLL *GEOSGeomFromHEX_buf_r(GEOSContextHandle_t handle,
const unsigned char *hex,
size_t size);
extern unsigned char GEOS_DLL *GEOSGeomToHEX_buf_r(GEOSContextHandle_t handle,
const GEOSGeometry* g,
size_t *size);
/************************************************************************
*
* Coordinate Sequence functions
*
***********************************************************************/
/*
* Create a Coordinate sequence with ``size'' coordinates
* of ``dims'' dimensions.
* Return NULL on exception.
*/
extern GEOSCoordSequence GEOS_DLL *GEOSCoordSeq_create(unsigned int size, unsigned int dims);
extern GEOSCoordSequence GEOS_DLL *GEOSCoordSeq_create_r(
GEOSContextHandle_t handle,
unsigned int size,
unsigned int dims);
/*
* Clone a Coordinate Sequence.
* Return NULL on exception.
*/
extern GEOSCoordSequence GEOS_DLL *GEOSCoordSeq_clone(const GEOSCoordSequence* s);
extern GEOSCoordSequence GEOS_DLL *GEOSCoordSeq_clone_r(
GEOSContextHandle_t handle,
const GEOSCoordSequence* s);
/*
* Destroy a Coordinate Sequence.
*/
extern void GEOS_DLL GEOSCoordSeq_destroy(GEOSCoordSequence* s);
extern void GEOS_DLL GEOSCoordSeq_destroy_r(GEOSContextHandle_t handle,
GEOSCoordSequence* s);
/*
* Set ordinate values in a Coordinate Sequence.
* Return 0 on exception.
*/
extern int GEOS_DLL GEOSCoordSeq_setX(GEOSCoordSequence* s,
unsigned int idx, double val);
extern int GEOS_DLL GEOSCoordSeq_setY(GEOSCoordSequence* s,
unsigned int idx, double val);
extern int GEOS_DLL GEOSCoordSeq_setZ(GEOSCoordSequence* s,
unsigned int idx, double val);
extern int GEOS_DLL GEOSCoordSeq_setOrdinate(GEOSCoordSequence* s,
unsigned int idx, unsigned int dim, double val);
extern int GEOS_DLL GEOSCoordSeq_setX_r(GEOSContextHandle_t handle,
GEOSCoordSequence* s, unsigned int idx,
double val);
extern int GEOS_DLL GEOSCoordSeq_setY_r(GEOSContextHandle_t handle,
GEOSCoordSequence* s, unsigned int idx,
double val);
extern int GEOS_DLL GEOSCoordSeq_setZ_r(GEOSContextHandle_t handle,
GEOSCoordSequence* s, unsigned int idx,
double val);
extern int GEOS_DLL GEOSCoordSeq_setOrdinate_r(GEOSContextHandle_t handle,
GEOSCoordSequence* s,
unsigned int idx,
unsigned int dim, double val);
/*
* Get ordinate values from a Coordinate Sequence.
* Return 0 on exception.
*/
extern int GEOS_DLL GEOSCoordSeq_getX(const GEOSCoordSequence* s,
unsigned int idx, double *val);
extern int GEOS_DLL GEOSCoordSeq_getY(const GEOSCoordSequence* s,
unsigned int idx, double *val);
extern int GEOS_DLL GEOSCoordSeq_getZ(const GEOSCoordSequence* s,
unsigned int idx, double *val);
extern int GEOS_DLL GEOSCoordSeq_getOrdinate(const GEOSCoordSequence* s,
unsigned int idx, unsigned int dim, double *val);
extern int GEOS_DLL GEOSCoordSeq_getX_r(GEOSContextHandle_t handle,
const GEOSCoordSequence* s,
unsigned int idx, double *val);
extern int GEOS_DLL GEOSCoordSeq_getY_r(GEOSContextHandle_t handle,
const GEOSCoordSequence* s,
unsigned int idx, double *val);
extern int GEOS_DLL GEOSCoordSeq_getZ_r(GEOSContextHandle_t handle,
const GEOSCoordSequence* s,
unsigned int idx, double *val);
extern int GEOS_DLL GEOSCoordSeq_getOrdinate_r(GEOSContextHandle_t handle,
const GEOSCoordSequence* s,
unsigned int idx,
unsigned int dim, double *val);
/*
* Get size and dimensions info from a Coordinate Sequence.
* Return 0 on exception.
*/
extern int GEOS_DLL GEOSCoordSeq_getSize(const GEOSCoordSequence* s,
unsigned int *size);
extern int GEOS_DLL GEOSCoordSeq_getDimensions(const GEOSCoordSequence* s,
unsigned int *dims);
extern int GEOS_DLL GEOSCoordSeq_getSize_r(GEOSContextHandle_t handle,
const GEOSCoordSequence* s,
unsigned int *size);
extern int GEOS_DLL GEOSCoordSeq_getDimensions_r(GEOSContextHandle_t handle,
const GEOSCoordSequence* s,
unsigned int *dims);
/************************************************************************
*
* Linearref functions -- there are more, but these two are probably
* sufficient for most purposes
*
***********************************************************************/
/*
* GEOSGeometry ownership is retained by caller
*/
extern double GEOS_DLL GEOSProject(const GEOSGeometry *g,
const GEOSGeometry* p);
extern double GEOS_DLL GEOSProject_r(GEOSContextHandle_t handle,
const GEOSGeometry *g,
const GEOSGeometry *p);
extern GEOSGeometry GEOS_DLL *GEOSInterpolate(const GEOSGeometry *g,
double d);
extern GEOSGeometry GEOS_DLL *GEOSInterpolate_r(GEOSContextHandle_t handle,
const GEOSGeometry *g,
double d);
extern double GEOS_DLL GEOSProjectNormalized(const GEOSGeometry *g,
const GEOSGeometry* p);
extern double GEOS_DLL GEOSProjectNormalized_r(GEOSContextHandle_t handle,
const GEOSGeometry *g,
const GEOSGeometry *p);
extern GEOSGeometry GEOS_DLL *GEOSInterpolateNormalized(const GEOSGeometry *g,
double d);
extern GEOSGeometry GEOS_DLL *GEOSInterpolateNormalized_r(
GEOSContextHandle_t handle,
const GEOSGeometry *g,
double d);
/************************************************************************
*
* Buffer related functions
*
***********************************************************************/
enum GEOSBufCapStyles {
GEOSBUF_CAP_ROUND=1,
GEOSBUF_CAP_FLAT=2,
GEOSBUF_CAP_SQUARE=3
};
enum GEOSBufJoinStyles {
GEOSBUF_JOIN_ROUND=1,
GEOSBUF_JOIN_MITRE=2,
GEOSBUF_JOIN_BEVEL=3
};
/* These functions return NULL on exception. */
extern GEOSGeometry GEOS_DLL *GEOSBuffer(const GEOSGeometry* g1,
double width, int quadsegs);
extern GEOSGeometry GEOS_DLL *GEOSBuffer_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
double width, int quadsegs);
/* These functions return NULL on exception. */
extern GEOSGeometry GEOS_DLL *GEOSBufferWithStyle(const GEOSGeometry* g1,
double width, int quadsegs, int endCapStyle, int joinStyle,
double mitreLimit);
extern GEOSGeometry GEOS_DLL *GEOSBufferWithStyle_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1, double width, int quadsegs, int endCapStyle,
int joinStyle, double mitreLimit);
/* These functions return NULL on exception. Only LINESTRINGs are accepted. */
extern GEOSGeometry GEOS_DLL *GEOSSingleSidedBuffer(const GEOSGeometry* g1,
double width, int quadsegs, int joinStyle, double mitreLimit,
int leftSide);
extern GEOSGeometry GEOS_DLL *GEOSSingleSidedBuffer_r(
GEOSContextHandle_t handle,
const GEOSGeometry* g1, double width, int quadsegs,
int joinStyle, double mitreLimit, int leftSide);
/************************************************************************
*
* Geometry Constructors.
* GEOSCoordSequence* arguments will become ownership of the returned object.
* All functions return NULL on exception.
*
***********************************************************************/
extern GEOSGeometry GEOS_DLL *GEOSGeom_createPoint(GEOSCoordSequence* s);
extern GEOSGeometry GEOS_DLL *GEOSGeom_createLinearRing(GEOSCoordSequence* s);
extern GEOSGeometry GEOS_DLL *GEOSGeom_createLineString(GEOSCoordSequence* s);
extern GEOSGeometry GEOS_DLL *GEOSGeom_createPoint_r(
GEOSContextHandle_t handle,
GEOSCoordSequence* s);
extern GEOSGeometry GEOS_DLL *GEOSGeom_createLinearRing_r(
GEOSContextHandle_t handle,
GEOSCoordSequence* s);
extern GEOSGeometry GEOS_DLL *GEOSGeom_createLineString_r(
GEOSContextHandle_t handle,
GEOSCoordSequence* s);
/*
* Second argument is an array of GEOSGeometry* objects.
* The caller remains owner of the array, but pointed-to
* objects become ownership of the returned GEOSGeometry.
*/
extern GEOSGeometry GEOS_DLL *GEOSGeom_createPolygon(GEOSGeometry* shell,
GEOSGeometry** holes, unsigned int nholes);
extern GEOSGeometry GEOS_DLL *GEOSGeom_createCollection(int type,
GEOSGeometry* *geoms, unsigned int ngeoms);
extern GEOSGeometry GEOS_DLL *GEOSGeom_createPolygon_r(
GEOSContextHandle_t handle,
GEOSGeometry* shell,
GEOSGeometry** holes,
unsigned int nholes);
extern GEOSGeometry GEOS_DLL *GEOSGeom_createCollection_r(
GEOSContextHandle_t handle, int type,
GEOSGeometry* *geoms,
unsigned int ngeoms);
extern GEOSGeometry GEOS_DLL *GEOSGeom_clone(const GEOSGeometry* g);
extern GEOSGeometry GEOS_DLL *GEOSGeom_clone_r(GEOSContextHandle_t handle,
const GEOSGeometry* g);
/************************************************************************
*
* Memory management
*
***********************************************************************/
extern void GEOS_DLL GEOSGeom_destroy(GEOSGeometry* g);
extern void GEOS_DLL GEOSGeom_destroy_r(GEOSContextHandle_t handle,
GEOSGeometry* g);
/************************************************************************
*
* Topology operations - return NULL on exception.
*
***********************************************************************/
extern GEOSGeometry GEOS_DLL *GEOSEnvelope(const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSIntersection(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern GEOSGeometry GEOS_DLL *GEOSConvexHull(const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSDifference(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern GEOSGeometry GEOS_DLL *GEOSSymDifference(const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern GEOSGeometry GEOS_DLL *GEOSBoundary(const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSUnion(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern GEOSGeometry GEOS_DLL *GEOSUnionCascaded(const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSPointOnSurface(const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSGetCentroid(const GEOSGeometry* g);
extern char GEOS_DLL *GEOSRelate(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern GEOSGeometry GEOS_DLL *GEOSEnvelope_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSIntersection_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern GEOSGeometry GEOS_DLL *GEOSConvexHull_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSDifference_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern GEOSGeometry GEOS_DLL *GEOSSymDifference_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern GEOSGeometry GEOS_DLL *GEOSBoundary_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSUnion_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern GEOSGeometry GEOS_DLL *GEOSUnionCascaded_r(GEOSContextHandle_t handle, const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSPointOnSurface_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
extern GEOSGeometry GEOS_DLL *GEOSGetCentroid_r(GEOSContextHandle_t handle,
const GEOSGeometry* g);
extern char GEOS_DLL *GEOSRelate_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
/*
* all arguments remain ownership of the caller
* (both Geometries and pointers)
*/
extern GEOSGeometry GEOS_DLL *GEOSPolygonize(const GEOSGeometry * const geoms[], unsigned int ngeoms);
extern GEOSGeometry GEOS_DLL *GEOSPolygonizer_getCutEdges(const GEOSGeometry * const geoms[], unsigned int ngeoms);
extern GEOSGeometry GEOS_DLL *GEOSLineMerge(const GEOSGeometry* g);
extern GEOSGeometry GEOS_DLL *GEOSSimplify(const GEOSGeometry* g1, double tolerance);
extern GEOSGeometry GEOS_DLL *GEOSTopologyPreserveSimplify(const GEOSGeometry* g1,
double tolerance);
extern GEOSGeometry GEOS_DLL *GEOSPolygonize_r(GEOSContextHandle_t handle,
const GEOSGeometry *const geoms[],
unsigned int ngeoms);
extern GEOSGeometry GEOS_DLL *GEOSPolygonizer_getCutEdges_r(
GEOSContextHandle_t handle,
const GEOSGeometry * const geoms[],
unsigned int ngeoms);
extern GEOSGeometry GEOS_DLL *GEOSLineMerge_r(GEOSContextHandle_t handle,
const GEOSGeometry* g);
extern GEOSGeometry GEOS_DLL *GEOSSimplify_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
double tolerance);
extern GEOSGeometry GEOS_DLL *GEOSTopologyPreserveSimplify_r(
GEOSContextHandle_t handle,
const GEOSGeometry* g1, double tolerance);
/************************************************************************
*
* Binary predicates - return 2 on exception, 1 on true, 0 on false
*
***********************************************************************/
extern char GEOS_DLL GEOSRelatePattern(const GEOSGeometry* g1, const GEOSGeometry* g2,
const char *pat);
extern char GEOS_DLL GEOSDisjoint(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSTouches(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSIntersects(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSCrosses(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSWithin(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSContains(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSOverlaps(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSEquals(const GEOSGeometry* g1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSEqualsExact(const GEOSGeometry* g1, const GEOSGeometry* g2, double tolerance);
extern char GEOS_DLL GEOSRelatePattern_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2,
const char *pat);
extern char GEOS_DLL GEOSDisjoint_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSTouches_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSIntersects_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSCrosses_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSWithin_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSContains_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSOverlaps_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSEquals_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSEqualsExact_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2,
double tolerance);
/************************************************************************
*
* Prepared Geometry Binary predicates - return 2 on exception, 1 on true, 0 on false
*
***********************************************************************/
/*
* GEOSGeometry ownership is retained by caller
*/
extern const GEOSPreparedGeometry GEOS_DLL *GEOSPrepare(const GEOSGeometry* g);
extern void GEOS_DLL GEOSPreparedGeom_destroy(const GEOSPreparedGeometry* g);
extern char GEOS_DLL GEOSPreparedContains(const GEOSPreparedGeometry* pg1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSPreparedContainsProperly(const GEOSPreparedGeometry* pg1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSPreparedCovers(const GEOSPreparedGeometry* pg1, const GEOSGeometry* g2);
extern char GEOS_DLL GEOSPreparedIntersects(const GEOSPreparedGeometry* pg1, const GEOSGeometry* g2);
/*
* GEOSGeometry ownership is retained by caller
*/
extern const GEOSPreparedGeometry GEOS_DLL *GEOSPrepare_r(
GEOSContextHandle_t handle,
const GEOSGeometry* g);
extern void GEOS_DLL GEOSPreparedGeom_destroy_r(GEOSContextHandle_t handle,
const GEOSPreparedGeometry* g);
extern char GEOS_DLL GEOSPreparedContains_r(GEOSContextHandle_t handle,
const GEOSPreparedGeometry* pg1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSPreparedContainsProperly_r(GEOSContextHandle_t handle,
const GEOSPreparedGeometry* pg1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSPreparedCovers_r(GEOSContextHandle_t handle,
const GEOSPreparedGeometry* pg1,
const GEOSGeometry* g2);
extern char GEOS_DLL GEOSPreparedIntersects_r(GEOSContextHandle_t handle,
const GEOSPreparedGeometry* pg1,
const GEOSGeometry* g2);
/************************************************************************
*
* STRtree functions
*
***********************************************************************/
/*
* GEOSGeometry ownership is retained by caller
*/
extern GEOSSTRtree GEOS_DLL *GEOSSTRtree_create(size_t nodeCapacity);
extern void GEOS_DLL GEOSSTRtree_insert(GEOSSTRtree *tree,
const GEOSGeometry *g,
void *item);
extern void GEOS_DLL GEOSSTRtree_query(GEOSSTRtree *tree,
const GEOSGeometry *g,
GEOSQueryCallback callback,
void *userdata);
extern void GEOS_DLL GEOSSTRtree_iterate(GEOSSTRtree *tree,
GEOSQueryCallback callback,
void *userdata);
extern char GEOS_DLL GEOSSTRtree_remove(GEOSSTRtree *tree,
const GEOSGeometry *g,
void *item);
extern void GEOS_DLL GEOSSTRtree_destroy(GEOSSTRtree *tree);
extern GEOSSTRtree GEOS_DLL *GEOSSTRtree_create_r(
GEOSContextHandle_t handle,
size_t nodeCapacity);
extern void GEOS_DLL GEOSSTRtree_insert_r(GEOSContextHandle_t handle,
GEOSSTRtree *tree,
const GEOSGeometry *g,
void *item);
extern void GEOS_DLL GEOSSTRtree_query_r(GEOSContextHandle_t handle,
GEOSSTRtree *tree,
const GEOSGeometry *g,
GEOSQueryCallback callback,
void *userdata);
extern void GEOS_DLL GEOSSTRtree_iterate_r(GEOSContextHandle_t handle,
GEOSSTRtree *tree,
GEOSQueryCallback callback,
void *userdata);
extern char GEOS_DLL GEOSSTRtree_remove_r(GEOSContextHandle_t handle,
GEOSSTRtree *tree,
const GEOSGeometry *g,
void *item);
extern void GEOS_DLL GEOSSTRtree_destroy_r(GEOSContextHandle_t handle,
GEOSSTRtree *tree);
/************************************************************************
*
* Unary predicate - return 2 on exception, 1 on true, 0 on false
*
***********************************************************************/
extern char GEOS_DLL GEOSisEmpty(const GEOSGeometry* g1);
extern char GEOS_DLL GEOSisValid(const GEOSGeometry* g1);
extern char GEOS_DLL *GEOSisValidReason(const GEOSGeometry *g1);
extern char GEOS_DLL GEOSisSimple(const GEOSGeometry* g1);
extern char GEOS_DLL GEOSisRing(const GEOSGeometry* g1);
extern char GEOS_DLL GEOSHasZ(const GEOSGeometry* g1);
extern char GEOS_DLL GEOSisEmpty_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
extern char GEOS_DLL GEOSisValid_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
extern char GEOS_DLL *GEOSisValidReason_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
extern char GEOS_DLL GEOSisSimple_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
extern char GEOS_DLL GEOSisRing_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
extern char GEOS_DLL GEOSHasZ_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
/************************************************************************
*
* Geometry info
*
***********************************************************************/
/* Return NULL on exception, result must be freed by caller. */
extern char GEOS_DLL *GEOSGeomType(const GEOSGeometry* g1);
extern char GEOS_DLL *GEOSGeomType_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
/* Return -1 on exception */
extern int GEOS_DLL GEOSGeomTypeId(const GEOSGeometry* g1);
extern int GEOS_DLL GEOSGeomTypeId_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
/* Return 0 on exception */
extern int GEOS_DLL GEOSGetSRID(const GEOSGeometry* g);
extern int GEOS_DLL GEOSGetSRID_r(GEOSContextHandle_t handle,
const GEOSGeometry* g);
extern void GEOS_DLL GEOSSetSRID(GEOSGeometry* g, int SRID);
extern void GEOS_DLL GEOSSetSRID_r(GEOSContextHandle_t handle,
GEOSGeometry* g, int SRID);
/* May be called on all geometries in GEOS 3.x, returns -1 on error and 1
* for non-multi geometries. Older GEOS versions only accept
* GeometryCollections or Multi* geometries here, and are likely to crash
* when feeded simple geometries, so beware if you need compatibility with
* old GEOS versions.
*/
extern int GEOS_DLL GEOSGetNumGeometries(const GEOSGeometry* g);
extern int GEOS_DLL GEOSGetNumGeometries_r(GEOSContextHandle_t handle,
const GEOSGeometry* g);
/*
* Return NULL on exception, Geometry must be a Collection.
* Returned object is a pointer to internal storage:
* it must NOT be destroyed directly.
*/
extern const GEOSGeometry GEOS_DLL *GEOSGetGeometryN(const GEOSGeometry* g, int n);
extern const GEOSGeometry GEOS_DLL *GEOSGetGeometryN_r(
GEOSContextHandle_t handle,
const GEOSGeometry* g, int n);
/* Return -1 on exception */
extern int GEOS_DLL GEOSNormalize(GEOSGeometry* g1);
extern int GEOS_DLL GEOSNormalize_r(GEOSContextHandle_t handle,
GEOSGeometry* g1);
/* Return -1 on exception */
extern int GEOS_DLL GEOSGetNumInteriorRings(const GEOSGeometry* g1);
extern int GEOS_DLL GEOSGetNumInteriorRings_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
/*
* Return NULL on exception, Geometry must be a Polygon.
* Returned object is a pointer to internal storage:
* it must NOT be destroyed directly.
*/
extern const GEOSGeometry GEOS_DLL *GEOSGetInteriorRingN(const GEOSGeometry* g, int n);
extern const GEOSGeometry GEOS_DLL *GEOSGetInteriorRingN_r(
GEOSContextHandle_t handle,
const GEOSGeometry* g, int n);
/*
* Return NULL on exception, Geometry must be a Polygon.
* Returned object is a pointer to internal storage:
* it must NOT be destroyed directly.
*/
extern const GEOSGeometry GEOS_DLL *GEOSGetExteriorRing(const GEOSGeometry* g);
extern const GEOSGeometry GEOS_DLL *GEOSGetExteriorRing_r(
GEOSContextHandle_t handle,
const GEOSGeometry* g);
/* Return -1 on exception */
extern int GEOS_DLL GEOSGetNumCoordinates(const GEOSGeometry* g1);
extern int GEOS_DLL GEOSGetNumCoordinates_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1);
/*
* Return NULL on exception.
* Geometry must be a LineString, LinearRing or Point.
*/
extern const GEOSCoordSequence GEOS_DLL *GEOSGeom_getCoordSeq(const GEOSGeometry* g);
extern const GEOSCoordSequence GEOS_DLL *GEOSGeom_getCoordSeq_r(
GEOSContextHandle_t handle,
const GEOSGeometry* g);
/*
* Return 0 on exception (or empty geometry)
* See also GEOSCoordSeq_getDimensions
*/
extern int GEOS_DLL GEOSGeom_getDimensions(const GEOSGeometry* g);
extern int GEOS_DLL GEOSGeom_getDimensions_r(GEOSContextHandle_t handle,
const GEOSGeometry* g);
/************************************************************************
*
* Misc functions
*
***********************************************************************/
/* Return 0 on exception, 1 otherwise */
extern int GEOS_DLL GEOSArea(const GEOSGeometry* g1, double *area);
extern int GEOS_DLL GEOSLength(const GEOSGeometry* g1, double *length);
extern int GEOS_DLL GEOSDistance(const GEOSGeometry* g1, const GEOSGeometry* g2,
double *dist);
extern int GEOS_DLL GEOSHausdorffDistance(const GEOSGeometry *g1,
const GEOSGeometry *g2, double *dist);
extern int GEOS_DLL GEOSHausdorffDistanceDensify(const GEOSGeometry *g1,
const GEOSGeometry *g2, double densifyFrac, double *dist);
extern int GEOS_DLL GEOSArea_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1, double *area);
extern int GEOS_DLL GEOSLength_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1, double *length);
extern int GEOS_DLL GEOSDistance_r(GEOSContextHandle_t handle,
const GEOSGeometry* g1,
const GEOSGeometry* g2, double *dist);
extern int GEOS_DLL GEOSHausdorffDistance_r(GEOSContextHandle_t handle,
const GEOSGeometry *g1,
const GEOSGeometry *g2,
double *dist);
extern int GEOS_DLL GEOSHausdorffDistanceDensify_r(GEOSContextHandle_t handle,
const GEOSGeometry *g1,
const GEOSGeometry *g2,
double densifyFrac, double *dist);
/************************************************************************
*
* Reader and Writer APIs
*
***********************************************************************/
typedef struct GEOSWKTReader_t GEOSWKTReader;
typedef struct GEOSWKTWriter_t GEOSWKTWriter;
typedef struct GEOSWKBReader_t GEOSWKBReader;
typedef struct GEOSWKBWriter_t GEOSWKBWriter;
/* WKT Reader */
extern GEOSWKTReader GEOS_DLL *GEOSWKTReader_create();
extern void GEOS_DLL GEOSWKTReader_destroy(GEOSWKTReader* reader);
extern GEOSGeometry GEOS_DLL *GEOSWKTReader_read(GEOSWKTReader* reader, const char *wkt);
extern GEOSWKTReader GEOS_DLL *GEOSWKTReader_create_r(
GEOSContextHandle_t handle);
extern void GEOS_DLL GEOSWKTReader_destroy_r(GEOSContextHandle_t handle,
GEOSWKTReader* reader);
extern GEOSGeometry GEOS_DLL *GEOSWKTReader_read_r(GEOSContextHandle_t handle,
GEOSWKTReader* reader,
const char *wkt);
/* WKT Writer */
extern GEOSWKTWriter GEOS_DLL *GEOSWKTWriter_create();
extern void GEOS_DLL GEOSWKTWriter_destroy(GEOSWKTWriter* writer);
extern char GEOS_DLL *GEOSWKTWriter_write(GEOSWKTWriter* reader, const GEOSGeometry* g);
extern GEOSWKTWriter GEOS_DLL *GEOSWKTWriter_create_r(
GEOSContextHandle_t handle);
extern void GEOS_DLL GEOSWKTWriter_destroy_r(GEOSContextHandle_t handle,
GEOSWKTWriter* writer);
extern char GEOS_DLL *GEOSWKTWriter_write_r(GEOSContextHandle_t handle,
GEOSWKTWriter* reader,
const GEOSGeometry* g);
/* WKB Reader */
extern GEOSWKBReader GEOS_DLL *GEOSWKBReader_create();
extern void GEOS_DLL GEOSWKBReader_destroy(GEOSWKBReader* reader);
extern GEOSGeometry GEOS_DLL *GEOSWKBReader_read(GEOSWKBReader* reader, const unsigned char *wkb, size_t size);
extern GEOSGeometry GEOS_DLL *GEOSWKBReader_readHEX(GEOSWKBReader* reader, const unsigned char *hex, size_t size);
extern GEOSWKBReader GEOS_DLL *GEOSWKBReader_create_r(
GEOSContextHandle_t handle);
extern void GEOS_DLL GEOSWKBReader_destroy_r(GEOSContextHandle_t handle,
GEOSWKBReader* reader);
extern GEOSGeometry GEOS_DLL *GEOSWKBReader_read_r(GEOSContextHandle_t handle,
GEOSWKBReader* reader,
const unsigned char *wkb,
size_t size);
extern GEOSGeometry GEOS_DLL *GEOSWKBReader_readHEX_r(
GEOSContextHandle_t handle,
GEOSWKBReader* reader,
const unsigned char *hex,
size_t size);
/* WKB Writer */
extern GEOSWKBWriter GEOS_DLL *GEOSWKBWriter_create();
extern void GEOS_DLL GEOSWKBWriter_destroy(GEOSWKBWriter* writer);
extern GEOSWKBWriter GEOS_DLL *GEOSWKBWriter_create_r(
GEOSContextHandle_t handle);
extern void GEOS_DLL GEOSWKBWriter_destroy_r(GEOSContextHandle_t handle,
GEOSWKBWriter* writer);
/* The caller owns the results for these two methods! */
extern unsigned char GEOS_DLL *GEOSWKBWriter_write(GEOSWKBWriter* writer, const GEOSGeometry* g, size_t *size);
extern unsigned char GEOS_DLL *GEOSWKBWriter_writeHEX(GEOSWKBWriter* writer, const GEOSGeometry* g, size_t *size);
extern unsigned char GEOS_DLL *GEOSWKBWriter_write_r(
GEOSContextHandle_t handle,
GEOSWKBWriter* writer,
const GEOSGeometry* g,
size_t *size);
extern unsigned char GEOS_DLL *GEOSWKBWriter_writeHEX_r(
GEOSContextHandle_t handle,
GEOSWKBWriter* writer,
const GEOSGeometry* g,
size_t *size);
/*
* Specify whether output WKB should be 2d or 3d.
* Return previously set number of dimensions.
*/
extern int GEOS_DLL GEOSWKBWriter_getOutputDimension(const GEOSWKBWriter* writer);
extern void GEOS_DLL GEOSWKBWriter_setOutputDimension(GEOSWKBWriter* writer, int newDimension);
extern int GEOS_DLL GEOSWKBWriter_getOutputDimension_r(
GEOSContextHandle_t handle,
const GEOSWKBWriter* writer);
extern void GEOS_DLL GEOSWKBWriter_setOutputDimension_r(
GEOSContextHandle_t handle,
GEOSWKBWriter* writer, int newDimension);
/*
* Specify whether the WKB byte order is big or little endian.
* The return value is the previous byte order.
*/
extern int GEOS_DLL GEOSWKBWriter_getByteOrder(const GEOSWKBWriter* writer);
extern void GEOS_DLL GEOSWKBWriter_setByteOrder(GEOSWKBWriter* writer, int byteOrder);
extern int GEOS_DLL GEOSWKBWriter_getByteOrder_r(GEOSContextHandle_t handle,
const GEOSWKBWriter* writer);
extern void GEOS_DLL GEOSWKBWriter_setByteOrder_r(GEOSContextHandle_t handle,
GEOSWKBWriter* writer,
int byteOrder);
/*
* Specify whether SRID values should be output.
*/
extern char GEOS_DLL GEOSWKBWriter_getIncludeSRID(const GEOSWKBWriter* writer);
extern void GEOS_DLL GEOSWKBWriter_setIncludeSRID(GEOSWKBWriter* writer, const char writeSRID);
extern char GEOS_DLL GEOSWKBWriter_getIncludeSRID_r(GEOSContextHandle_t handle,
const GEOSWKBWriter* writer);
extern void GEOS_DLL GEOSWKBWriter_setIncludeSRID_r(GEOSContextHandle_t handle,
GEOSWKBWriter* writer, const char writeSRID);
/*
* Free buffers returned by stuff like GEOSWKBWriter_write(),
* GEOSWKBWriter_writeHEX() and GEOSWKTWriter_write().
*/
extern void GEOS_DLL GEOSFree( void *buffer );
extern void GEOS_DLL GEOSFree_r( GEOSContextHandle_t handle, void *buffer );
#ifdef __cplusplus
} // extern "C"
#endif
#endif /* #ifndef GEOS_C_H_INCLUDED */
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