00001 /****************************************************************************** 00002 * Copyright (c) 2008, Frank Warmerdam 00003 * 00004 * Permission is hereby granted, free of charge, to any person obtaining a 00005 * copy of this software and associated documentation files (the "Software"), 00006 * to deal in the Software without restriction, including without limitation 00007 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 00008 * and/or sell copies of the Software, and to permit persons to whom the 00009 * Software is furnished to do so, subject to the following conditions: 00010 * 00011 * The above copyright notice and this permission notice shall be included 00012 * in all copies or substantial portions of the Software. 00013 * 00014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 00015 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00016 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 00017 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00018 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 00019 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 00020 * DEALINGS IN THE SOFTWARE. 00021 ***************************************************************************** 00022 * 00023 * geo_simpletags.h 00024 * 00025 * Provides interface for a "simple tags io in memory" mechanism 00026 * as an alternative to accessing a real tiff file using libtiff. 00027 * 00028 ****************************************************************************/ 00029 00030 #ifndef __geo_simpletags_h_ 00031 #define __geo_simpletags_h_ 00032 00033 #include "geotiff.h" 00034 00035 #if defined(__cplusplus) 00036 extern "C" { 00037 #endif 00038 00039 #define STT_SHORT 1 00040 #define STT_DOUBLE 2 00041 #define STT_ASCII 3 00042 00043 typedef struct { 00044 int tag; 00045 int count; 00046 int type; 00047 void *data; 00048 } ST_KEY; 00049 00050 typedef struct { 00051 int key_count; 00052 ST_KEY *key_list; 00053 } ST_TIFF; 00054 00055 typedef void *STIFF; 00056 00057 void CPL_DLL GTIFSetSimpleTagsMethods(TIFFMethod *method); 00058 00059 int CPL_DLL ST_SetKey( ST_TIFF *, int tag, int count, 00060 int st_type, void *data ); 00061 int CPL_DLL ST_GetKey( ST_TIFF *, int tag, int *count, 00062 int *st_type, void **data_ptr ); 00063 00064 ST_TIFF CPL_DLL *ST_Create(); 00065 void CPL_DLL ST_Destroy( ST_TIFF * ); 00066 00067 int CPL_DLL ST_TagType( int tag ); 00068 00069 #if defined(__cplusplus) 00070 } 00071 #endif 00072 00073 #endif /* __geo_simpletags_h_ */