/********************************************************************** * *  geotiff.h - Public interface for Geotiff tag parsing. * * *   Written By: Niles D. Ritter * **********************************************************************/#ifndef __geotiff_h_#define __geotiff_h_/** * \file geotiff.h * * Primary libgeotiff include file. * * This is the defacto registry for valid GEOTIFF GeoKeys * and their associated symbolic values. This is also the only file * of the GeoTIFF library which needs to be included in client source * code. *//* This Version code should only change if a drastic * alteration is made to the GeoTIFF key structure. Readers * encountering a larger value should give up gracefully. */#define GvCurrentVersion   1#define LIBGEOTIFF_VERSION 1230#include "geo_config.h"#include "geokeys.h"/********************************************************************** * Do we want to build as a DLL on windows? **********************************************************************/#if !defined(CPL_DLL)#  if defined(_WIN32) && defined(BUILD_AS_DLL)#    define CPL_DLL     __declspec(dllexport)#  else#    define CPL_DLL#  endif#endif/********************************************************************** * *                 Public Structures & Definitions * **********************************************************************/#if defined(__cplusplus)extern "C" {#endiftypedef struct gtiff GTIF;   /* struct gtiff is private */typedef unsigned short tifftag_t;typedef unsigned short geocode_t;typedef int (*GTIFPrintMethod)(char *string, void *aux);typedef int (*GTIFReadMethod)(char *string, void *aux);typedef enum {   TYPE_BYTE=1,   TYPE_SHORT=2,   TYPE_LONG=3,   TYPE_RATIONAL=4,   TYPE_ASCII=5,   TYPE_FLOAT=6,   TYPE_DOUBLE=7,   TYPE_SBYTE=8,   TYPE_SSHORT=9,   TYPE_SLONG=10,   TYPE_UNKNOWN=11} tagtype_t;/********************************************************************** * *                 Public Function Declarations * **********************************************************************//* TIFF-level interface */GTIF CPL_DLL *GTIFNew(void *tif);void CPL_DLL  GTIFFree(GTIF *gtif);int  CPL_DLL  GTIFWriteKeys(GTIF *gtif);void CPL_DLL  GTIFDirectoryInfo(GTIF *gtif, int *versions, int *keycount);/* GeoKey Access */int  CPL_DLL  GTIFKeyInfo(GTIF *gtif, geokey_t key, int *size, tagtype_t* type);int  CPL_DLL  GTIFKeyGet(GTIF *gtif, geokey_t key, void *val, int index,                         int count);int  CPL_DLL  GTIFKeySet(GTIF *gtif, geokey_t keyID, tagtype_t type,                         int count,...);/* Metadata Import-Export utilities */void  CPL_DLL  GTIFPrint(GTIF *gtif, GTIFPrintMethod print, void *aux);int   CPL_DLL  GTIFImport(GTIF *gtif, GTIFReadMethod scan, void *aux);char  CPL_DLL *GTIFKeyName(geokey_t key);char  CPL_DLL *GTIFValueName(geokey_t key,int value);char  CPL_DLL *GTIFTypeName(tagtype_t type);char  CPL_DLL *GTIFTagName(int tag);int   CPL_DLL  GTIFKeyCode(char * key);int   CPL_DLL  GTIFValueCode(geokey_t key,char *value);int   CPL_DLL  GTIFTypeCode(char *type);int   CPL_DLL  GTIFTagCode(char *tag);/* Translation between image/PCS space */int CPL_DLL    GTIFImageToPCS( GTIF *gtif, double *x, double *y );int CPL_DLL    GTIFPCSToImage( GTIF *gtif, double *x, double *y );#if defined(__cplusplus)}#endif#endif /* __geotiff_h_ */