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GRASS 8 Programmer's Manual 8.5.0RC1(2026)-3334b87d9c
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#include "shapefil_private.h"#include <assert.h>#include <errno.h>#include <limits.h>#include <math.h>#include <stdbool.h>#include <stdint.h>#include <stdio.h>#include <stdlib.h>#include <string.h>
Go to the source code of this file.
Macros | |
| #define | FALSE 0 |
| #define | TRUE 1 |
| #define | ByteCopy(a, b, c) |
| #define | MIN(a, b) |
| #define | MAX(a, b) |
| #define | SHP_RESTORE_SHX_HINT_MESSAGE " Use SHPRestoreSHX() to restore or create it." |
Functions | |
| void | SHPWriteHeader (SHPHandle psSHP) |
| SHPHandle | SHPOpen (const char *pszLayer, const char *pszAccess) |
| SHPHandle | SHPOpenLL (const char *pszLayer, const char *pszAccess, const SAHooks *psHooks) |
| SHPHandle | SHPOpenLLEx (const char *pszLayer, const char *pszAccess, const SAHooks *psHooks, int bRestoreSHX) |
| int | SHPRestoreSHX (const char *pszLayer, const char *pszAccess, const SAHooks *psHooks) |
| void | SHPClose (SHPHandle psSHP) |
| void | SHPSetFastModeReadObject (SHPHandle hSHP, int bFastMode) |
| void | SHPGetInfo (const SHPHandle psSHP, int *pnEntities, int *pnShapeType, double *padfMinBound, double *padfMaxBound) |
| SHPHandle | SHPCreate (const char *pszLayer, int nShapeType) |
| SHPHandle | SHPCreateLL (const char *pszLayer, int nShapeType, const SAHooks *psHooks) |
| void | SHPComputeExtents (SHPObject *psObject) |
| SHPObject * | 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 * | SHPCreateSimpleObject (int nSHPType, int nVertices, const double *padfX, const double *padfY, const double *padfZ) |
| int | SHPWriteObject (SHPHandle psSHP, int nShapeId, const SHPObject *psObject) |
| SHPObject * | SHPReadObject (const SHPHandle psSHP, int hEntity) |
| const char * | SHPTypeName (int nSHPType) |
| const char * | SHPPartTypeName (int nPartType) |
| void | SHPDestroyObject (SHPObject *psShape) |
| int | SHPRewindObject (const SHPHandle hSHP, SHPObject *psObject) |
| #define ByteCopy | ( | a, | |
| b, | |||
| c ) |
Definition at line 31 of file shpopen.c.
Referenced by SHPCreateLL(), SHPWriteHeader(), and SHPWriteObject().
| #define MAX | ( | a, | |
| b ) |
Definition at line 34 of file shpopen.c.
Referenced by SHPComputeExtents(), SHPCreateObject(), SHPOpenLL(), and SHPWriteObject().
| #define MIN | ( | a, | |
| b ) |
Definition at line 33 of file shpopen.c.
Referenced by Cairo_raster(), G_rgb_to_hsv(), SHPComputeExtents(), and SHPWriteObject().
| #define SHP_RESTORE_SHX_HINT_MESSAGE " Use SHPRestoreSHX() to restore or create it." |
Definition at line 51 of file shpopen.c.
Referenced by SHPOpenLL().
| void SHPClose | ( | SHPHandle | psSHP | ) |
Definition at line 851 of file shpopen.c.
References SHPInfo::bUpdated, SAHooks::FClose, SHPInfo::fpSHP, SHPInfo::fpSHX, SHPInfo::pabyObjectBuf, SHPInfo::pabyRec, SHPInfo::panRecOffset, SHPInfo::panRecSize, SHPInfo::psCachedObject, SHPInfo::sHooks, SHPAPI_CALL, SHPLIB_NULLPTR, and SHPWriteHeader().
Referenced by SHPOpenLL().
| void SHPComputeExtents | ( | SHPObject * | psObject | ) |
Definition at line 1147 of file shpopen.c.
References tagSHPObject::dfMMax, tagSHPObject::dfMMin, tagSHPObject::dfXMax, tagSHPObject::dfXMin, tagSHPObject::dfYMax, tagSHPObject::dfYMin, tagSHPObject::dfZMax, tagSHPObject::dfZMin, MAX, MIN, tagSHPObject::nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, and SHPAPI_CALL.
Referenced by SHPCreateObject().
| SHPHandle SHPCreate | ( | const char * | pszLayer, |
| int | nShapeType ) |
Definition at line 944 of file shpopen.c.
References SASetupDefaultHooks(), SHPAPI_CALL, and SHPCreateLL().
Definition at line 960 of file shpopen.c.
References SHPInfo::bUpdated, ByteCopy, SAHooks::Error, FALSE, SAHooks::FClose, SAHooks::FOpen, SHPInfo::fpSHP, SHPInfo::fpSHX, SAHooks::FWrite, SHPInfo::nFileSize, SHPInfo::nShapeType, SHPInfo::panRecOffset, SHPInfo::panRecSize, SAHooks::pvUserData, SHPInfo::sHooks, SHP_SWAP32, SHPAPI_CALL, SHPLIB_NULLPTR, and STATIC_CAST.
Referenced by SHPCreate().
| SHPObject * 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 ) |
Definition at line 1180 of file shpopen.c.
References tagSHPObject::bMeasureIsUsed, FALSE, MAX, tagSHPObject::nParts, tagSHPObject::nShapeId, tagSHPObject::nSHPType, tagSHPObject::nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, tagSHPObject::panPartType, SHPComputeExtents(), SHPCreateObject(), SHPLIB_NULLPTR, SHPP_RING, SHPT_ARC, SHPT_ARCM, SHPT_ARCZ, SHPT_MULTIPATCH, SHPT_MULTIPOINTM, SHPT_MULTIPOINTZ, SHPT_POINTM, SHPT_POINTZ, SHPT_POLYGON, SHPT_POLYGONM, SHPT_POLYGONZ, STATIC_CAST, and TRUE.
Referenced by SHPCreateObject(), and SHPCreateSimpleObject().
| SHPObject * SHPCreateSimpleObject | ( | int | nSHPType, |
| int | nVertices, | ||
| const double * | padfX, | ||
| const double * | padfY, | ||
| const double * | padfZ ) |
Definition at line 1309 of file shpopen.c.
References SHPCreateObject(), SHPCreateSimpleObject(), and SHPLIB_NULLPTR.
Referenced by SHPCreateSimpleObject().
| void SHPDestroyObject | ( | SHPObject * | psShape | ) |
Definition at line 2725 of file shpopen.c.
References tagSHPObject::bFastModeReadObject, FALSE, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, tagSHPObject::panPartType, SHPAPI_CALL, and SHPLIB_NULLPTR.
| void SHPGetInfo | ( | const SHPHandle | psSHP, |
| int * | pnEntities, | ||
| int * | pnShapeType, | ||
| double * | padfMinBound, | ||
| double * | padfMaxBound ) |
Definition at line 916 of file shpopen.c.
References SHPInfo::adBoundsMax, SHPInfo::adBoundsMin, SHPInfo::nRecords, SHPInfo::nShapeType, SHPAPI_CALL, and SHPLIB_NULLPTR.
| SHPHandle SHPOpen | ( | const char * | pszLayer, |
| const char * | pszAccess ) |
Definition at line 219 of file shpopen.c.
References SASetupDefaultHooks(), SHPAPI_CALL, and SHPOpenLL().
Definition at line 251 of file shpopen.c.
References SHPInfo::adBoundsMax, SHPInfo::adBoundsMin, SHPInfo::bUpdated, SAHooks::Error, FALSE, SAHooks::FClose, SAHooks::FOpen, SHPInfo::fpSHP, SHPInfo::fpSHX, SAHooks::FRead, SAHooks::FSeek, SAHooks::FTell, MAX, SHPInfo::nFileSize, SHPInfo::nMaxRecords, SHPInfo::nRecords, SHPInfo::nShapeType, SHPInfo::panRecOffset, SHPInfo::panRecSize, SAHooks::pvUserData, SHPInfo::sHooks, SHP_RESTORE_SHX_HINT_MESSAGE, SHP_SWAP32, SHP_SWAP64, SHPAPI_CALL, SHPClose(), SHPLIB_NULLPTR, and STATIC_CAST.
Referenced by SHPOpen(), and SHPOpenLLEx().
| SHPHandle SHPOpenLLEx | ( | const char * | pszLayer, |
| const char * | pszAccess, | ||
| const SAHooks * | psHooks, | ||
| int | bRestoreSHX ) |
Definition at line 602 of file shpopen.c.
References SHPAPI_CALL, SHPLIB_NULLPTR, SHPOpenLL(), and SHPRestoreSHX().
| const char * SHPPartTypeName | ( | int | nPartType | ) |
Definition at line 2695 of file shpopen.c.
References SHPP_FIRSTRING, SHPP_INNERRING, SHPP_OUTERRING, SHPP_RING, SHPP_TRIFAN, SHPP_TRISTRIP, and SHPPartTypeName().
Referenced by SHPPartTypeName().
Definition at line 1852 of file shpopen.c.
References SHP_SWAP32, SHPLIB_NULLPTR, SHPReadObject(), and STATIC_CAST.
Referenced by SHPReadObject().
| int SHPRestoreSHX | ( | const char * | pszLayer, |
| const char * | pszAccess, | ||
| const SAHooks * | psHooks ) |
Definition at line 623 of file shpopen.c.
References SAHooks::Error, FALSE, SAHooks::FClose, SAHooks::FOpen, SAHooks::FRead, SAHooks::FSeek, SAHooks::FWrite, SAHooks::pvUserData, SHP_SWAP32, SHPAPI_CALL, SHPLIB_NULLPTR, SHPT_ARC, SHPT_ARCM, SHPT_ARCZ, SHPT_MULTIPATCH, SHPT_MULTIPOINT, SHPT_MULTIPOINTM, SHPT_MULTIPOINTZ, SHPT_NULL, SHPT_POINT, SHPT_POINTM, SHPT_POINTZ, SHPT_POLYGON, SHPT_POLYGONM, SHPT_POLYGONZ, STATIC_CAST, and TRUE.
Referenced by SHPOpenLLEx().
Definition at line 2856 of file shpopen.c.
References FALSE, tagSHPObject::nParts, tagSHPObject::nSHPType, tagSHPObject::nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, SHPAPI_CALL, SHPT_POLYGON, SHPT_POLYGONM, SHPT_POLYGONZ, and TRUE.
| void SHPSetFastModeReadObject | ( | SHPHandle | hSHP, |
| int | bFastMode ) |
Definition at line 897 of file shpopen.c.
References assert, SHPInfo::bFastModeReadObject, SHPInfo::psCachedObject, SHPAPI_CALL, SHPLIB_NULLPTR, and STATIC_CAST.
| const char * SHPTypeName | ( | int | nSHPType | ) |
Definition at line 2641 of file shpopen.c.
References SHPT_ARC, SHPT_ARCM, SHPT_ARCZ, SHPT_MULTIPATCH, SHPT_MULTIPOINT, SHPT_MULTIPOINTM, SHPT_MULTIPOINTZ, SHPT_NULL, SHPT_POINT, SHPT_POINTM, SHPT_POINTZ, SHPT_POLYGON, SHPT_POLYGONM, SHPT_POLYGONZ, and SHPTypeName().
Referenced by SHPTypeName().
| void SHPWriteHeader | ( | SHPHandle | psSHP | ) |
Definition at line 62 of file shpopen.c.
References SHPInfo::adBoundsMax, SHPInfo::adBoundsMin, ByteCopy, SAHooks::Error, SAHooks::FFlush, SHPInfo::fpSHP, SHPInfo::fpSHX, SAHooks::FSeek, SAHooks::FWrite, SHPInfo::nFileSize, SHPInfo::nRecords, SHPInfo::nShapeType, SHPInfo::panRecOffset, SHPInfo::panRecSize, SHPInfo::sHooks, SHP_SWAP32, SHP_SWAP64, SHPAPI_CALL, SHPLIB_NULLPTR, and STATIC_CAST.
Referenced by SHPClose().
Definition at line 1323 of file shpopen.c.
References SHPInfo::adBoundsMax, SHPInfo::adBoundsMin, assert, tagSHPObject::bMeasureIsUsed, SHPInfo::bUpdated, ByteCopy, tagSHPObject::dfMMax, tagSHPObject::dfMMin, tagSHPObject::dfZMax, tagSHPObject::dfZMin, DISABLE_MULTIPATCH_MEASURE, SAHooks::Error, SHPInfo::fpSHP, SAHooks::FSeek, SAHooks::FTell, SAHooks::FWrite, MAX, MIN, SHPInfo::nFileSize, SHPInfo::nMaxRecords, tagSHPObject::nParts, SHPInfo::nRecords, SHPInfo::nShapeType, tagSHPObject::nSHPType, tagSHPObject::nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, tagSHPObject::panPartType, SHPInfo::panRecOffset, SHPInfo::panRecSize, SHPInfo::sHooks, SHP_SWAP32, SHP_SWAP64, SHPAPI_CALL, SHPLIB_NULLPTR, SHPT_ARC, SHPT_ARCM, SHPT_ARCZ, SHPT_MULTIPATCH, SHPT_MULTIPOINT, SHPT_MULTIPOINTM, SHPT_MULTIPOINTZ, SHPT_NULL, SHPT_POINT, SHPT_POINTM, SHPT_POINTZ, SHPT_POLYGON, SHPT_POLYGONM, SHPT_POLYGONZ, STATIC_CAST, and TRUE.