libmagics++-dev 2.18.15-5 / usr / include / magics / shapefil.h

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/usr/include/magics/shapefil.h is in libmagics++-dev 2.18.15-5.

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The actual contents of the file can be viewed below. 

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#ifndef _SHAPEFILE_H_INCLUDED
#define _SHAPEFILE_H_INCLUDED

/******************************************************************************
 * $Id: shapefil.h,v 1.26 2002/09/29 00:00:08 warmerda Exp $
 *
 * Project:  Shapelib
 * Purpose:  Primary include file for Shapelib.
 * Author:   Frank Warmerdam, warmerdam@pobox.com
 *
 ******************************************************************************
 * Copyright (c) 1999, Frank Warmerdam
 *
 * This software is available under the following "MIT Style" license,
 * or at the option of the licensee under the LGPL (see LICENSE.LGPL).  This
 * option is discussed in more detail in shapelib.html.
 *
 * --
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ******************************************************************************
 *
 * $MagLog: shapefil.h,v $
 * Revision 1.26  2002/09/29 00:00:08  warmerda
 * added FTMagLogical and logical attribute read/write calls
 *
 * Revision 1.25  2002/05/07 13:46:30  warmerda
 * added DBFWriteAttributeDirectly().
 *
 * Revision 1.24  2002/04/10 16:59:54  warmerda
 * added SHPRewindObject
 *
 * Revision 1.23  2002/01/15 14:36:07  warmerda
 * updated email address
 *
 * Revision 1.22  2002/01/15 14:32:00  warmerda
 * try to improve SHPAPI_CALL docs
 *
 * Revision 1.21  2001/11/01 16:29:55  warmerda
 * move pabyRec into SHPInfo for thread safety
 *
 * Revision 1.20  2001/07/20 13:06:02  warmerda
 * fixed SHPAPI attribute for SHPTreeFindLikelyShapes
 *
 * Revision 1.19  2001/05/31 19:20:13  warmerda
 * added DBFGetFieldIndex()
 *
 * Revision 1.18  2001/05/31 18:15:40  warmerda
 * Added support for NULL fields in DBF files
 *
 * Revision 1.17  2001/05/23 13:36:52  warmerda
 * added use of SHPAPI_CALL
 *
 * Revision 1.16  2000/09/25 14:15:59  warmerda
 * added DBFGetNativeFieldType()
 *
 * Revision 1.15  2000/02/16 16:03:51  warmerda
 * added null shape support
 *
 * Revision 1.14  1999/11/05 14:12:05  warmerda
 * updated license terms
 *
 * Revision 1.13  1999/06/02 18:24:21  warmerda
 * added trimming code
 *
 * Revision 1.12  1999/06/02 17:56:12  warmerda
 * added quad'' subnode support for trees
 *
 * Revision 1.11  1999/05/18 19:11:11  warmerda
 * Added example searching capability
 *
 * Revision 1.10  1999/05/18 17:49:38  warmerda
 * added initial quadtree support
 *
 * Revision 1.9  1999/05/11 03:19:28  warmerda
 * added new Tuple api, and improved extension handling - add from candrsn
 *
 * Revision 1.8  1999/03/23 17:22:27  warmerda
 * Added extern "C" protection for C++ users of shapefil.h.
 *
 * Revision 1.7  1998/12/31 15:31:07  warmerda
 * Added the TRIM_DBF_WHITESPACE and DISABLE_MULTIPATCH_MEASURE options.
 *
 * Revision 1.6  1998/12/03 15:48:15  warmerda
 * Added SHPCalculateExtents().
 *
 * Revision 1.5  1998/11/09 20:57:16  warmerda
 * Altered SHPGetInfo() call.
 *
 * Revision 1.4  1998/11/09 20:19:33  warmerda
 * Added 3D support, and use of SHPObject.
 *
 * Revision 1.3  1995/08/23 02:24:05  warmerda
 * Added support for reading bounds.
 *
 * Revision 1.2  1995/08/04  03:17:39  warmerda
 * Added header.
 *
 */

#include <stdio.h>

#ifdef USE_DBMALLOC
#include <dbmalloc.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

/************************************************************************/
/*                        Configuration options.                        */
/************************************************************************/

/* -------------------------------------------------------------------- */
/*      Should the DBFReadStringAttribute() strip leading and           */
/*      trailing white space?                                           */
/* -------------------------------------------------------------------- */
#define TRIM_DBF_WHITESPACE

/* -------------------------------------------------------------------- */
/*      Should we write measure values to the Multipatch object?        */
/*      Reportedly ArcView crashes if we do write it, so for now it     */
/*      is disabled.                                                    */
/* -------------------------------------------------------------------- */
#define DISABLE_MULTIPATCH_MEASURE

/* -------------------------------------------------------------------- */
/*      SHPAPI_CALL                                                     */
/*                                                                      */
/*      The following two macros are present to allow forcing           */
/*      various calling conventions on the Shapelib API.                */
/*                                                                      */
/*      To force __stdcall conventions (needed to call Shapelib         */
/*      from Visual Basic and/or Dephi I believe) the makefile could    */
/*      be modified to define:                                          */
/*                                                                      */
/*        /DSHPAPI_CALL=__stdcall                                       */
/*                                                                      */
/*      If it is desired to force export of the Shapelib API without    */
/*      using the shapelib.def file, use the following definition.      */
/*                                                                      */
/*        /DSHAPELIB_DLLEXPORT                                          */
/*                                                                      */
/*      To get both at once it will be necessary to hack this           */
/*      include file to define:                                         */
/*                                                                      */
/*        #define SHPAPI_CALL __declspec(dllexport) __stdcall           */
/*        #define SHPAPI_CALL1 __declspec(dllexport) * __stdcall        */
/*                                                                      */
/*      The complexity of the situtation is partly caused by the        */
/*      peculiar requirement of Visual C++ that __stdcall appear        */
/*      after any "*"'s in the return value of a function while the     */
/*      __declspec(dllexport) must appear before them.                  */
/* -------------------------------------------------------------------- */

#ifdef SHAPELIB_DLLEXPORT
#  define SHPAPI_CALL __declspec(dllexport)
#  define SHPAPI_CALL1(x)  __declspec(dllexport) x
#endif

#ifndef SHPAPI_CALL
#  define SHPAPI_CALL
#endif

#ifndef SHPAPI_CALL1
#  define SHPAPI_CALL1(x)      x SHPAPI_CALL
#endif
    
/************************************************************************/
/*                             SHP Support.                             */
/************************************************************************/
typedef	struct
{
    FILE        *fpSHP;
    FILE	*fpSHX;

    int		nShapeType;				/* SHPT_* */
    
    int		nFileSize;				/* SHP file */

    int         nRecords;
    int		nMaxRecords;
    int		*panRecOffset;
    int		*panRecSize;

    double	adBoundsMin[4];
    double	adBoundsMax[4];

    int		bUpdated;

    unsigned char *pabyRec;
    int         nBufSize;
} SHPInfo;

typedef SHPInfo * SHPHandle;

/* -------------------------------------------------------------------- */
/*      Shape types (nSHPType)                                          */
/* -------------------------------------------------------------------- */
#define SHPT_NULL	0
#define SHPT_POINT	1
#define SHPT_ARC	3
#define SHPT_POLYGON	5
#define SHPT_MULTIPOINT	8
#define SHPT_POINTZ	11
#define SHPT_ARCZ	13
#define SHPT_POLYGONZ	15
#define SHPT_MULTIPOINTZ 18
#define SHPT_POINTM	21
#define SHPT_ARCM	23
#define SHPT_POLYGONM	25
#define SHPT_MULTIPOINTM 28
#define SHPT_MULTIPATCH 31


/* -------------------------------------------------------------------- */
/*      Part types - everything but SHPT_MULTIPATCH just uses           */
/*      SHPP_RING.                                                      */
/* -------------------------------------------------------------------- */

#define SHPP_TRISTRIP	0
#define SHPP_TRIFAN	1
#define SHPP_OUTERRING	2
#define SHPP_INNERRING	3
#define SHPP_FIRSTRING	4
#define SHPP_RING	5

/* -------------------------------------------------------------------- */
/*      SHPObject - represents on shape (without attributes) read       */
/*      from the .shp file.                                             */
/* -------------------------------------------------------------------- */
typedef struct
{
    int		nSHPType;

    int		nShapeId; /* -1 is unknown/unassigned */

    int		nParts;
    int		*panPartStart;
    int		*panPartType;
    
    int		nVertices;
    double	*padfX;
    double	*padfY;
    double	*padfZ;
    double	*padfM;

    double	dfXMin;
    double	dfYMin;
    double	dfZMin;
    double	dfMMin;

    double	dfXMax;
    double	dfYMax;
    double	dfZMax;
    double	dfMMax;
} SHPObject;

/* -------------------------------------------------------------------- */
/*      SHP API Prototypes                                              */
/* -------------------------------------------------------------------- */
SHPHandle SHPAPI_CALL
      SHPOpen( const char * pszShapeFile, const char * pszAccess );
SHPHandle SHPAPI_CALL
      SHPCreate( const char * pszShapeFile, int nShapeType );
void SHPAPI_CALL
      SHPGetInfo( SHPHandle hSHP, int * pnEntities, int * pnShapeType,
                  double * padfMinBound, double * padfMaxBound );

SHPObject SHPAPI_CALL1(*)
      SHPReadObject( SHPHandle hSHP, int iShape );
int SHPAPI_CALL
      SHPWriteObject( SHPHandle hSHP, int iShape, SHPObject * psObject );

void SHPAPI_CALL
      SHPDestroyObject( SHPObject * psObject );
void SHPAPI_CALL
      SHPComputeExtents( SHPObject * psObject );
SHPObject SHPAPI_CALL1(*)
      SHPCreateObject( int nSHPType, int nShapeId,
                       int nParts, int * panPartStart, int * panPartType,
                       int nVertices, double * padfX, double * padfY,
                       double * padfZ, double * padfM );
SHPObject SHPAPI_CALL1(*)
      SHPCreateSimpleObject( int nSHPType, int nVertices,
                             double * padfX, double * padfY, double * padfZ );

int SHPAPI_CALL
      SHPRewindObject( SHPHandle hSHP, SHPObject * psObject );

void SHPAPI_CALL
      SHPClose( SHPHandle hSHP );

const char SHPAPI_CALL1(*)
      SHPTypeName( int nSHPType );
const char SHPAPI_CALL1(*)
      SHPPartTypeName( int nPartType );

/* -------------------------------------------------------------------- */
/*      Shape quadtree indexing API.                                    */
/* -------------------------------------------------------------------- */

/* this can be two or four for binary or quad tree */
#define MAX_SUBNODE	4

typedef struct shape_tree_node
{
    /* region covered by this node */
    double	adfBoundsMin[4];
    double	adfBoundsMax[4];

    /* list of shapes stored at this node.  The papsShapeObj pointers
       or the whole list can be NULL */
    int		nShapeCount;
    int		*panShapeIds;
    SHPObject   **papsShapeObj;

    int		nSubNodes;
    struct shape_tree_node *apsSubNode[MAX_SUBNODE];
    
} SHPTreeNode;

typedef struct
{
    SHPHandle   hSHP;
    
    int		nMaxDepth;
    int		nDimension;
    
    SHPTreeNode	*psRoot;
} SHPTree;

SHPTree SHPAPI_CALL1(*)
      SHPCreateTree( SHPHandle hSHP, int nDimension, int nMaxDepth,
                     double *padfBoundsMin, double *padfBoundsMax );
void    SHPAPI_CALL
      SHPDestroyTree( SHPTree * hTree );

int	SHPAPI_CALL
      SHPWriteTree( SHPTree *hTree, const char * pszFilename );
SHPTree SHPAPI_CALL
      SHPReadTree( const char * pszFilename );

int	SHPAPI_CALL
      SHPTreeAddObject( SHPTree * hTree, SHPObject * psObject );
int	SHPAPI_CALL
      SHPTreeAddShapeId( SHPTree * hTree, SHPObject * psObject );
int	SHPAPI_CALL
      SHPTreeRemoveShapeId( SHPTree * hTree, int nShapeId );

void 	SHPAPI_CALL
      SHPTreeTrimExtraNodes( SHPTree * hTree );

int    SHPAPI_CALL1(*)
      SHPTreeFindLikelyShapes( SHPTree * hTree,
                               double * padfBoundsMin,
                               double * padfBoundsMax,
                               int * );
int     SHPAPI_CALL
      SHPCheckBoundsOverlap( double *, double *, double *, double *, int );

/************************************************************************/
/*                             DBF Support.                             */
/************************************************************************/
typedef	struct
{
    FILE	*fp;

    int         nRecords;

    int		nRecordLength;
    int		nHeaderLength;
    int		nFields;
    int		*panFieldOffset;
    int		*panFieldSize;
    int		*panFieldDecimals;
    char	*pachFieldType;

    char	*pszHeader;

    int		nCurrentRecord;
    int		bCurrentRecordModified;
    char	*pszCurrentRecord;
    
    int		bNoHeader;
    int		bUpdated;
} DBFInfo;

typedef DBFInfo * DBFHandle;

typedef enum {
  FTString,
  FTInteger,
  FTDouble,
  FTLogical,
  FTInvalid
} DBFFieldType;

#define XBASE_FLDHDR_SZ       32

DBFHandle SHPAPI_CALL
      DBFOpen( const char * pszDBFFile, const char * pszAccess );
DBFHandle SHPAPI_CALL
      DBFCreate( const char * pszDBFFile );

int	SHPAPI_CALL
      DBFGetFieldCount( DBFHandle psDBF );
int	SHPAPI_CALL
      DBFGetRecordCount( DBFHandle psDBF );
int	SHPAPI_CALL
      DBFAddField( DBFHandle hDBF, const char * pszFieldName,
                   DBFFieldType eType, int nWidth, int nDecimals );

DBFFieldType SHPAPI_CALL
      DBFGetFieldInfo( DBFHandle psDBF, int iField, 
                       char * pszFieldName, int * pnWidth, int * pnDecimals );

int SHPAPI_CALL
      DBFGetFieldIndex(DBFHandle psDBF, const char *pszFieldName);

int 	SHPAPI_CALL
      DBFReadIntegerAttribute( DBFHandle hDBF, int iShape, int iField );
double 	SHPAPI_CALL
      DBFReadDoubleAttribute( DBFHandle hDBF, int iShape, int iField );
const char SHPAPI_CALL1(*)
      DBFReadStringAttribute( DBFHandle hDBF, int iShape, int iField );
const char SHPAPI_CALL1(*)
      DBFReadMagLogicalAttribute( DBFHandle hDBF, int iShape, int iField );
int     SHPAPI_CALL
      DBFIsAttributeNULL( DBFHandle hDBF, int iShape, int iField );

int SHPAPI_CALL
      DBFWriteIntegerAttribute( DBFHandle hDBF, int iShape, int iField, 
                                int nFieldValue );
int SHPAPI_CALL
      DBFWriteDoubleAttribute( DBFHandle hDBF, int iShape, int iField,
                               double dFieldValue );
int SHPAPI_CALL
      DBFWriteStringAttribute( DBFHandle hDBF, int iShape, int iField,
                               const char * pszFieldValue );
int SHPAPI_CALL
     DBFWriteNULLAttribute( DBFHandle hDBF, int iShape, int iField );

int SHPAPI_CALL
     DBFWriteMagLogicalAttribute( DBFHandle hDBF, int iShape, int iField,
			       const char lFieldValue);
int SHPAPI_CALL
     DBFWriteAttributeDirectly(DBFHandle psDBF, int hEntity, int iField,
                               void * pValue );
const char SHPAPI_CALL1(*)
      DBFReadTuple(DBFHandle psDBF, int hEntity );
int SHPAPI_CALL
      DBFWriteTuple(DBFHandle psDBF, int hEntity, void * pRawTuple );

DBFHandle SHPAPI_CALL
      DBFCloneEmpty(DBFHandle psDBF, const char * pszFilename );
 
void	SHPAPI_CALL
      DBFClose( DBFHandle hDBF );
char    SHPAPI_CALL
      DBFGetNativeFieldType( DBFHandle hDBF, int iField );

#ifdef __cplusplus
}
#endif

#endif /* ndef _SHAPEFILE_H_INCLUDED */

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