shpopen.c File Reference

#include "shapefil.h"
#include <math.h>
#include <limits.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

Include dependency graph for shpopen.c:

Go to the source code of this file.

Macros
#define	FALSE   0
#define	TRUE   1
#define	ByteCopy(a, b, c)   memcpy( b, a, c )
#define	MIN(a, b)   ((a<b) ? a : b)
#define	MAX(a, b)   ((a>b) ? a : b)

Typedefs
typedef unsigned char	uchar
typedef unsigned int	int32

Functions
static void	SwapWord (int length, void *wordP)
static void *	SfRealloc (void *pMem, int nNewSize)
void SHPAPI_CALL	SHPWriteHeader (SHPHandle psSHP)
SHPHandle SHPAPI_CALL	SHPOpen (const char *pszLayer, const char *pszAccess)
SHPHandle SHPAPI_CALL	SHPOpenLL (const char *pszLayer, const char *pszAccess, SAHooks *psHooks)
void SHPAPI_CALL	SHPClose (SHPHandle psSHP)
void SHPAPI_CALL	SHPGetInfo (SHPHandle psSHP, int *pnEntities, int *pnShapeType, double *padfMinBound, double *padfMaxBound)
SHPHandle SHPAPI_CALL	SHPCreate (const char *pszLayer, int nShapeType)
SHPHandle SHPAPI_CALL	SHPCreateLL (const char *pszLayer, int nShapeType, SAHooks *psHooks)
static void	_SHPSetBounds (uchar *pabyRec, SHPObject *psShape)
void SHPAPI_CALL	SHPComputeExtents (SHPObject *psObject)
SHPObject SHPAPI_CALL1 *	SHPCreateObject (int nSHPType, int nShapeId, int nParts, const int *panPartStart, const int *panPartType, int nVertices, const double *padfX, const double *padfY, const double *padfZ, const double *padfM){ SHPObject *psObject;int i, bHasM, bHasZ;psObject=(SHPObject *) calloc(1, sizeof(SHPObject)
	if (nSHPType==SHPT_ARCM||nSHPType==SHPT_POINTM||nSHPType==SHPT_POLYGONM||nSHPType==SHPT_MULTIPOINTM)
	if (nVertices > 0)
	SHPComputeExtents (psObject)
	return (psObject)
SHPObject SHPAPI_CALL1 *	SHPCreateSimpleObject (int nSHPType, int nVertices, const double *padfX, const double *padfY, const double *padfZ){ return(SHPCreateObject(nSHPType, -1, 0, NULL, NULL, nVertices, padfX, padfY, padfZ, NULL)
int SHPAPI_CALL	SHPWriteObject (SHPHandle psSHP, int nShapeId, SHPObject *psObject)
SHPObject SHPAPI_CALL1 *	SHPReadObject (SHPHandle psSHP, int hEntity){ int32 nEntitySize, nRequiredSize;SHPObject *psShape;char szErrorMsg[128];if(hEntity< 0||hEntity >=psSHP->nRecords) return(NULL
	if (nEntitySize >(int32) psSHP->nBufSize)
	if (psSHP->pabyRec==NULL)
	if (psSHP->sHooks.FSeek(psSHP->fpSHP, psSHP->panRecOffset[hEntity], 0) !=0)
	if (psSHP->sHooks.FRead(psSHP->pabyRec, nEntitySize, 1, psSHP->fpSHP) !=1)
	if (8+4 > nEntitySize)
	if (bBigEndian)
else	if (psShape->nSHPType==SHPT_MULTIPOINT||psShape->nSHPType==SHPT_MULTIPOINTM||psShape->nSHPType==SHPT_MULTIPOINTZ)
	return (psShape)
const char SHPAPI_CALL1 *	SHPTypeName (int nSHPType){ switch(nSHPType
const char SHPAPI_CALL1 *	SHPPartTypeName (int nPartType){ switch(nPartType
void SHPAPI_CALL	SHPDestroyObject (SHPObject *psShape)
int SHPAPI_CALL	SHPRewindObject (SHPHandle hSHP, SHPObject *psObject)

Variables
static int	bBigEndian
psObject	nSHPType = nSHPType
psObject	nShapeId = nShapeId
psObject	bMeasureIsUsed = FALSE
	else
	bHasZ = FALSE
psObject	nVertices = nVertices
	nEntitySize = psSHP->panRecSize[hEntity]+8
	psShape = (SHPObject *) calloc(1,sizeof(SHPObject))