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/ext/exif/exif.c

http://github.com/infusion/PHP
C | 4203 lines | 3366 code | 343 blank | 494 comment | 470 complexity | a8ff9db064d3d6c8d395bc765427f815 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, LGPL-2.1, BSD-3-Clause

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  1. /*
    2. 

  2.    +----------------------------------------------------------------------+
    3. 

  3.    | PHP Version 5                                                        |
    4. 

  4.    +----------------------------------------------------------------------+
    5. 

  5.    | Copyright (c) 1997-2011 The PHP Group                                |
    6. 

  6.    +----------------------------------------------------------------------+
    7. 

  7.    | This source file is subject to version 3.01 of the PHP license,      |
    8. 

  8.    | that is bundled with this package in the file LICENSE, and is        |
    9. 

  9.    | available through the world-wide-web at the following url:           |
    10. 

  10.    | http://www.php.net/license/3_01.txt                                  |
    11. 

  11.    | If you did not receive a copy of the PHP license and are unable to   |
    12. 

  12.    | obtain it through the world-wide-web, please send a note to          |
    13. 

  13.    | license@php.net so we can mail you a copy immediately.               |
    14. 

  14.    +----------------------------------------------------------------------+
    15. 

  15.    | Authors: Rasmus Lerdorf <rasmus@php.net>                             |
    16. 

  16.    |          Marcus Boerger <helly@php.net>                              |
    17. 

  17.    +----------------------------------------------------------------------+
    18. 

  18.  */
    19. 

  19. 

  20. /* $Id: exif.c 308362 2011-02-15 14:02:26Z pajoye $ */
    21. 

  21. 

  22. /*  ToDos
    23. 

  23.  *
    24. 

  24.  * 	See if example images from http://www.exif.org have illegal
    25. 

  25.  * 		thumbnail sizes or if code is corrupt.
    26. 

  26.  * 	Create/Update exif headers.
    27. 

  27.  * 	Create/Remove/Update image thumbnails.
    28. 

  28.  */
    29. 

  29. 

  30. /*  Security
    31. 

  31.  *
    32. 

  32.  *  At current time i do not see any security problems but a potential
    33. 

  33.  *  attacker could generate an image with recursive ifd pointers...(Marcus)
    34. 

  34.  */
    35. 

  35. 

  36. #ifdef HAVE_CONFIG_H
    37. 

  37. #include "config.h"
    38. 

  38. #endif
    39. 

  39. 

  40. #include "php.h"
    41. 

  41. #include "ext/standard/file.h"
    42. 

  42. 

  43. #ifdef HAVE_STDINT_H
    44. 

  44. # include <stdint.h>
    45. 

  45. #endif
    46. 

  46. #ifdef HAVE_INTTYPES_H
    47. 

  47. # include <inttypes.h>
    48. 

  48. #endif
    49. 

  49. #ifdef PHP_WIN32
    50. 

  50. # include "win32/php_stdint.h"
    51. 

  51. #endif
    52. 

  52. 

  53. #if HAVE_EXIF
    54. 

  54. 

  55. /* When EXIF_DEBUG is defined the module generates a lot of debug messages
    56. 

  56.  * that help understanding what is going on. This can and should be used
    57. 

  57.  * while extending the module as it shows if you are at the right position.
    58. 

  58.  * You are always considered to have a copy of TIFF6.0 and EXIF2.10 standard.
    59. 

  59.  */
    60. 

  60. #undef EXIF_DEBUG
    61. 

  61. 

  62. #ifdef EXIF_DEBUG
    63. 

  63. #define EXIFERR_DC , const char *_file, size_t _line TSRMLS_DC
    64. 

  64. #define EXIFERR_CC , __FILE__, __LINE__ TSRMLS_CC
    65. 

  65. #else
    66. 

  66. #define EXIFERR_DC TSRMLS_DC
    67. 

  67. #define EXIFERR_CC TSRMLS_CC
    68. 

  68. #endif
    69. 

  69. 

  70. #undef EXIF_JPEG2000
    71. 

  71. 

  72. #include "php_exif.h"
    73. 

  73. #include <math.h>
    74. 

  74. #include "php_ini.h"
    75. 

  75. #include "ext/standard/php_string.h"
    76. 

  76. #include "ext/standard/php_image.h"
    77. 

  77. #include "ext/standard/info.h" 
    78. 

  78. 

  79. #if defined(PHP_WIN32) || (HAVE_MBSTRING && !defined(COMPILE_DL_MBSTRING))
    80. 

  80. #define EXIF_USE_MBSTRING 1
    81. 

  81. #else
    82. 

  82. #define EXIF_USE_MBSTRING 0
    83. 

  83. #endif
    84. 

  84. 

  85. #if EXIF_USE_MBSTRING
    86. 

  86. #include "ext/mbstring/mbstring.h"
    87. 

  87. #endif
    88. 

  88. 

  89. /* needed for ssize_t definition */
    90. 

  90. #include <sys/types.h>
    91. 

  91. 

  92. typedef unsigned char uchar;
    93. 

  93. 

  94. #ifndef safe_emalloc
    95. 

  95. # define safe_emalloc(a,b,c) emalloc((a)*(b)+(c))
    96. 

  96. #endif
    97. 

  97. #ifndef safe_erealloc
    98. 

  98. # define safe_erealloc(p,a,b,c) erealloc(p, (a)*(b)+(c))
    99. 

  99. #endif
    100. 

  100. 

  101. #ifndef TRUE
    102. 

  102. #	define TRUE 1
    103. 

  103. #	define FALSE 0
    104. 

  104. #endif
    105. 

  105. 

  106. #ifndef max
    107. 

  107. #	define max(a,b) ((a)>(b) ? (a) : (b))
    108. 

  108. #endif
    109. 

  109. 

  110. #define EFREE_IF(ptr)	if (ptr) efree(ptr)
    111. 

  111. 

  112. #define MAX_IFD_NESTING_LEVEL 100
    113. 

  113. 

  114. /* {{{ arginfo */
    115. 

  115. ZEND_BEGIN_ARG_INFO(arginfo_exif_tagname, 0)
    116. 

  116. 	ZEND_ARG_INFO(0, index)
    117. 

  117. ZEND_END_ARG_INFO()
    118. 

  118. 

  119. ZEND_BEGIN_ARG_INFO_EX(arginfo_exif_read_data, 0, 0, 1)
    120. 

  120. 	ZEND_ARG_INFO(0, filename)
    121. 

  121. 	ZEND_ARG_INFO(0, sections_needed)
    122. 

  122. 	ZEND_ARG_INFO(0, sub_arrays)
    123. 

  123. 	ZEND_ARG_INFO(0, read_thumbnail)
    124. 

  124. ZEND_END_ARG_INFO()
    125. 

  125. 

  126. ZEND_BEGIN_ARG_INFO_EX(arginfo_exif_thumbnail, 0, 0, 1)
    127. 

  127. 	ZEND_ARG_INFO(0, filename)
    128. 

  128. 	ZEND_ARG_INFO(1, width)
    129. 

  129. 	ZEND_ARG_INFO(1, height)
    130. 

  130. 	ZEND_ARG_INFO(1, imagetype)
    131. 

  131. ZEND_END_ARG_INFO()
    132. 

  132. 

  133. ZEND_BEGIN_ARG_INFO(arginfo_exif_imagetype, 0)
    134. 

  134. 	ZEND_ARG_INFO(0, imagefile)
    135. 

  135. ZEND_END_ARG_INFO()
    136. 

  136. 

  137. /* }}} */
    138. 

  138. 

  139. /* {{{ exif_functions[]
    140. 

  140.  */
    141. 

  141. const zend_function_entry exif_functions[] = {
    142. 

  142. 	PHP_FE(exif_read_data, arginfo_exif_read_data)
    143. 

  143. 	PHP_FALIAS(read_exif_data, exif_read_data, arginfo_exif_read_data)
    144. 

  144. 	PHP_FE(exif_tagname, arginfo_exif_tagname)
    145. 

  145. 	PHP_FE(exif_thumbnail, arginfo_exif_thumbnail)
    146. 

  146. 	PHP_FE(exif_imagetype, arginfo_exif_imagetype)
    147. 

  147. 	{NULL, NULL, NULL}
    148. 

  148. };
    149. 

  149. /* }}} */
    150. 

  150. 

  151. #define EXIF_VERSION "1.4 $Id: exif.c 308362 2011-02-15 14:02:26Z pajoye $"
    152. 

  152. 

  153. /* {{{ PHP_MINFO_FUNCTION
    154. 

  154.  */
    155. 

  155. PHP_MINFO_FUNCTION(exif)
    156. 

  156. {
    157. 

  157. 	php_info_print_table_start();
    158. 

  158. 	php_info_print_table_row(2, "EXIF Support", "enabled");
    159. 

  159. 	php_info_print_table_row(2, "EXIF Version", EXIF_VERSION);
    160. 

  160. 	php_info_print_table_row(2, "Supported EXIF Version", "0220");
    161. 

  161. 	php_info_print_table_row(2, "Supported filetypes", "JPEG,TIFF");
    162. 

  162. 	php_info_print_table_end();
    163. 

  163. 	DISPLAY_INI_ENTRIES();
    164. 

  164. }
    165. 

  165. /* }}} */
    166. 

  166. 

  167. ZEND_BEGIN_MODULE_GLOBALS(exif)
    168. 

  168. 	char * encode_unicode;
    169. 

  169. 	char * decode_unicode_be;
    170. 

  170. 	char * decode_unicode_le;
    171. 

  171. 	char * encode_jis;
    172. 

  172. 	char * decode_jis_be;
    173. 

  173. 	char * decode_jis_le;
    174. 

  174. ZEND_END_MODULE_GLOBALS(exif) 
    175. 

  175. 

  176. ZEND_DECLARE_MODULE_GLOBALS(exif)
    177. 

  177. 

  178. #ifdef ZTS
    179. 

  179. #define EXIF_G(v) TSRMG(exif_globals_id, zend_exif_globals *, v)
    180. 

  180. #else
    181. 

  181. #define EXIF_G(v) (exif_globals.v)
    182. 

  182. #endif
    183. 

  183.  
    184. 

  184. /* {{{ PHP_INI
    185. 

  185.  */
    186. 

  186. 

  187. ZEND_INI_MH(OnUpdateEncode)
    188. 

  188. {
    189. 

  189. #if EXIF_USE_MBSTRING
    190. 

  190. 	if (new_value && strlen(new_value) && !php_mb_check_encoding_list(new_value TSRMLS_CC)) {
    191. 

  191. 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal encoding ignored: '%s'", new_value);
    192. 

  192. 		return FAILURE;
    193. 

  193. 	}
    194. 

  194. #endif
    195. 

  195. 	return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
    196. 

  196. }
    197. 

  197. 

  198. ZEND_INI_MH(OnUpdateDecode)
    199. 

  199. {
    200. 

  200. #if EXIF_USE_MBSTRING
    201. 

  201. 	if (!php_mb_check_encoding_list(new_value TSRMLS_CC)) {
    202. 

  202. 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal encoding ignored: '%s'", new_value);
    203. 

  203. 		return FAILURE;
    204. 

  204. 	}
    205. 

  205. #endif
    206. 

  206. 	return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
    207. 

  207. }
    208. 

  208. 

  209. PHP_INI_BEGIN()
    210. 

  210.     STD_PHP_INI_ENTRY("exif.encode_unicode",          "ISO-8859-15", PHP_INI_ALL, OnUpdateEncode, encode_unicode,    zend_exif_globals, exif_globals)
    211. 

  211.     STD_PHP_INI_ENTRY("exif.decode_unicode_motorola", "UCS-2BE",     PHP_INI_ALL, OnUpdateDecode, decode_unicode_be, zend_exif_globals, exif_globals)
    212. 

  212.     STD_PHP_INI_ENTRY("exif.decode_unicode_intel",    "UCS-2LE",     PHP_INI_ALL, OnUpdateDecode, decode_unicode_le, zend_exif_globals, exif_globals)
    213. 

  213.     STD_PHP_INI_ENTRY("exif.encode_jis",              "",            PHP_INI_ALL, OnUpdateEncode, encode_jis,        zend_exif_globals, exif_globals)
    214. 

  214.     STD_PHP_INI_ENTRY("exif.decode_jis_motorola",     "JIS",         PHP_INI_ALL, OnUpdateDecode, decode_jis_be,     zend_exif_globals, exif_globals)
    215. 

  215.     STD_PHP_INI_ENTRY("exif.decode_jis_intel",        "JIS",         PHP_INI_ALL, OnUpdateDecode, decode_jis_le,     zend_exif_globals, exif_globals)
    216. 

  216. PHP_INI_END()
    217. 

  217. /* }}} */
    218. 

  218.  
    219. 

  219. /* {{{ PHP_GINIT_FUNCTION
    220. 

  220.  */
    221. 

  221. static PHP_GINIT_FUNCTION(exif)
    222. 

  222. {
    223. 

  223. 	exif_globals->encode_unicode    = NULL;
    224. 

  224. 	exif_globals->decode_unicode_be = NULL;
    225. 

  225. 	exif_globals->decode_unicode_le = NULL;
    226. 

  226. 	exif_globals->encode_jis        = NULL;
    227. 

  227. 	exif_globals->decode_jis_be     = NULL;
    228. 

  228. 	exif_globals->decode_jis_le     = NULL;
    229. 

  229. }
    230. 

  230. /* }}} */
    231. 

  231. 

  232. /* {{{ PHP_MINIT_FUNCTION(exif)
    233. 

  233.    Get the size of an image as 4-element array */
    234. 

  234. PHP_MINIT_FUNCTION(exif)
    235. 

  235. {
    236. 

  236. 	REGISTER_INI_ENTRIES();
    237. 

  237. 	REGISTER_LONG_CONSTANT("EXIF_USE_MBSTRING", EXIF_USE_MBSTRING, CONST_CS | CONST_PERSISTENT); 
    238. 

  238. 	return SUCCESS;
    239. 

  239. }
    240. 

  240. /* }}} */
    241. 

  241. 

  242. /* {{{ PHP_MSHUTDOWN_FUNCTION
    243. 

  243.  */
    244. 

  244. PHP_MSHUTDOWN_FUNCTION(exif)
    245. 

  245. {
    246. 

  246. 	UNREGISTER_INI_ENTRIES();
    247. 

  247. 	return SUCCESS;
    248. 

  248. }
    249. 

  249. /* }}} */
    250. 

  250. 

  251. /* {{{ exif dependencies */
    252. 

  252. static const zend_module_dep exif_module_deps[] = {
    253. 

  253. 	ZEND_MOD_REQUIRED("standard")
    254. 

  254. #if EXIF_USE_MBSTRING
    255. 

  255. 	ZEND_MOD_REQUIRED("mbstring")
    256. 

  256. #endif
    257. 

  257. 	{NULL, NULL, NULL}
    258. 

  258. };
    259. 

  259. /* }}} */
    260. 

  260. 

  261. /* {{{ exif_module_entry
    262. 

  262.  */
    263. 

  263. zend_module_entry exif_module_entry = {
    264. 

  264. 	STANDARD_MODULE_HEADER_EX, NULL,
    265. 

  265. 	exif_module_deps,
    266. 

  266. 	"exif",
    267. 

  267. 	exif_functions,
    268. 

  268. 	PHP_MINIT(exif), 
    269. 

  269. 	PHP_MSHUTDOWN(exif),
    270. 

  270. 	NULL, NULL,
    271. 

  271. 	PHP_MINFO(exif),
    272. 

  272. #if ZEND_MODULE_API_NO >= 20010901
    273. 

  273. 	EXIF_VERSION,
    274. 

  274. #endif
    275. 

  275. #if ZEND_MODULE_API_NO >= 20060613
    276. 

  276. 	PHP_MODULE_GLOBALS(exif),
    277. 

  277. 	PHP_GINIT(exif),
    278. 

  278. 	NULL,
    279. 

  279. 	NULL,
    280. 

  280. 	STANDARD_MODULE_PROPERTIES_EX
    281. 

  281. #else	
    282. 

  282. 	STANDARD_MODULE_PROPERTIES
    283. 

  283. #endif
    284. 

  284. };
    285. 

  285. /* }}} */
    286. 

  286. 

  287. #ifdef COMPILE_DL_EXIF
    288. 

  288. ZEND_GET_MODULE(exif)
    289. 

  289. #endif
    290. 

  290. 

  291. /* {{{ php_strnlen
    292. 

  292.  * get length of string if buffer if less than buffer size or buffer size */
    293. 

  293. static size_t php_strnlen(char* str, size_t maxlen) {
    294. 

  294. 	size_t len = 0;
    295. 

  295. 

  296. 	if (str && maxlen && *str) {
    297. 

  297. 		do {
    298. 

  298. 			len++;
    299. 

  299. 		} while (--maxlen && *(++str));
    300. 

  300. 	}
    301. 

  301. 	return len;
    302. 

  302. }
    303. 

  303. /* }}} */
    304. 

  304. 

  305. /* {{{ error messages
    306. 

  306. */
    307. 

  307. static const char * EXIF_ERROR_FILEEOF   = "Unexpected end of file reached";
    308. 

  308. static const char * EXIF_ERROR_CORRUPT   = "File structure corrupted";
    309. 

  309. static const char * EXIF_ERROR_THUMBEOF  = "Thumbnail goes IFD boundary or end of file reached";
    310. 

  310. static const char * EXIF_ERROR_FSREALLOC = "Illegal reallocating of undefined file section";
    311. 

  311. 

  312. #define EXIF_ERRLOG_FILEEOF(ImageInfo)    exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_FILEEOF);
    313. 

  313. #define EXIF_ERRLOG_CORRUPT(ImageInfo)    exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_CORRUPT);
    314. 

  314. #define EXIF_ERRLOG_THUMBEOF(ImageInfo)   exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_THUMBEOF);
    315. 

  315. #define EXIF_ERRLOG_FSREALLOC(ImageInfo)  exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_FSREALLOC);
    316. 

  316. /* }}} */
    317. 

  317. 

  318. /* {{{ format description defines
    319. 

  319.    Describes format descriptor
    320. 

  320. */
    321. 

  321. static int php_tiff_bytes_per_format[] = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8, 1};
    322. 

  322. #define NUM_FORMATS 13
    323. 

  323. 

  324. #define TAG_FMT_BYTE       1
    325. 

  325. #define TAG_FMT_STRING     2
    326. 

  326. #define TAG_FMT_USHORT     3
    327. 

  327. #define TAG_FMT_ULONG      4
    328. 

  328. #define TAG_FMT_URATIONAL  5
    329. 

  329. #define TAG_FMT_SBYTE      6
    330. 

  330. #define TAG_FMT_UNDEFINED  7
    331. 

  331. #define TAG_FMT_SSHORT     8
    332. 

  332. #define TAG_FMT_SLONG      9
    333. 

  333. #define TAG_FMT_SRATIONAL 10
    334. 

  334. #define TAG_FMT_SINGLE    11
    335. 

  335. #define TAG_FMT_DOUBLE    12
    336. 

  336. #define TAG_FMT_IFD       13
    337. 

  337. 

  338. #ifdef EXIF_DEBUG
    339. 

  339. static char *exif_get_tagformat(int format)
    340. 

  340. {
    341. 

  341. 	switch(format) {
    342. 

  342. 		case TAG_FMT_BYTE:      return "BYTE";
    343. 

  343. 		case TAG_FMT_STRING:    return "STRING";
    344. 

  344. 		case TAG_FMT_USHORT:    return "USHORT";
    345. 

  345. 		case TAG_FMT_ULONG:     return "ULONG";
    346. 

  346. 		case TAG_FMT_URATIONAL: return "URATIONAL";
    347. 

  347. 		case TAG_FMT_SBYTE:     return "SBYTE";
    348. 

  348. 		case TAG_FMT_UNDEFINED: return "UNDEFINED";
    349. 

  349. 		case TAG_FMT_SSHORT:    return "SSHORT";
    350. 

  350. 		case TAG_FMT_SLONG:     return "SLONG";
    351. 

  351. 		case TAG_FMT_SRATIONAL: return "SRATIONAL";
    352. 

  352. 		case TAG_FMT_SINGLE:    return "SINGLE";
    353. 

  353. 		case TAG_FMT_DOUBLE:    return "DOUBLE";
    354. 

  354. 		case TAG_FMT_IFD:       return "IFD";
    355. 

  355. 	}
    356. 

  356. 	return "*Illegal";
    357. 

  357. }
    358. 

  358. #endif
    359. 

  359. 

  360. /* Describes tag values */
    361. 

  361. #define TAG_GPS_VERSION_ID              0x0000
    362. 

  362. #define TAG_GPS_LATITUDE_REF            0x0001
    363. 

  363. #define TAG_GPS_LATITUDE                0x0002
    364. 

  364. #define TAG_GPS_LONGITUDE_REF           0x0003
    365. 

  365. #define TAG_GPS_LONGITUDE               0x0004
    366. 

  366. #define TAG_GPS_ALTITUDE_REF            0x0005
    367. 

  367. #define TAG_GPS_ALTITUDE                0x0006
    368. 

  368. #define TAG_GPS_TIME_STAMP              0x0007
    369. 

  369. #define TAG_GPS_SATELLITES              0x0008
    370. 

  370. #define TAG_GPS_STATUS                  0x0009
    371. 

  371. #define TAG_GPS_MEASURE_MODE            0x000A
    372. 

  372. #define TAG_GPS_DOP                     0x000B
    373. 

  373. #define TAG_GPS_SPEED_REF               0x000C
    374. 

  374. #define TAG_GPS_SPEED                   0x000D
    375. 

  375. #define TAG_GPS_TRACK_REF               0x000E
    376. 

  376. #define TAG_GPS_TRACK                   0x000F
    377. 

  377. #define TAG_GPS_IMG_DIRECTION_REF       0x0010
    378. 

  378. #define TAG_GPS_IMG_DIRECTION           0x0011
    379. 

  379. #define TAG_GPS_MAP_DATUM               0x0012
    380. 

  380. #define TAG_GPS_DEST_LATITUDE_REF       0x0013
    381. 

  381. #define TAG_GPS_DEST_LATITUDE           0x0014
    382. 

  382. #define TAG_GPS_DEST_LONGITUDE_REF      0x0015
    383. 

  383. #define TAG_GPS_DEST_LONGITUDE          0x0016
    384. 

  384. #define TAG_GPS_DEST_BEARING_REF        0x0017
    385. 

  385. #define TAG_GPS_DEST_BEARING            0x0018
    386. 

  386. #define TAG_GPS_DEST_DISTANCE_REF       0x0019
    387. 

  387. #define TAG_GPS_DEST_DISTANCE           0x001A
    388. 

  388. #define TAG_GPS_PROCESSING_METHOD       0x001B
    389. 

  389. #define TAG_GPS_AREA_INFORMATION        0x001C
    390. 

  390. #define TAG_GPS_DATE_STAMP              0x001D
    391. 

  391. #define TAG_GPS_DIFFERENTIAL            0x001E
    392. 

  392. #define TAG_TIFF_COMMENT                0x00FE /* SHOUDLNT HAPPEN */
    393. 

  393. #define TAG_NEW_SUBFILE                 0x00FE /* New version of subfile tag */
    394. 

  394. #define TAG_SUBFILE_TYPE                0x00FF /* Old version of subfile tag */
    395. 

  395. #define TAG_IMAGEWIDTH                  0x0100
    396. 

  396. #define TAG_IMAGEHEIGHT                 0x0101
    397. 

  397. #define TAG_BITS_PER_SAMPLE             0x0102
    398. 

  398. #define TAG_COMPRESSION                 0x0103
    399. 

  399. #define TAG_PHOTOMETRIC_INTERPRETATION  0x0106
    400. 

  400. #define TAG_TRESHHOLDING                0x0107
    401. 

  401. #define TAG_CELL_WIDTH                  0x0108
    402. 

  402. #define TAG_CELL_HEIGHT                 0x0109
    403. 

  403. #define TAG_FILL_ORDER                  0x010A
    404. 

  404. #define TAG_DOCUMENT_NAME               0x010D
    405. 

  405. #define TAG_IMAGE_DESCRIPTION           0x010E
    406. 

  406. #define TAG_MAKE                        0x010F
    407. 

  407. #define TAG_MODEL                       0x0110
    408. 

  408. #define TAG_STRIP_OFFSETS               0x0111
    409. 

  409. #define TAG_ORIENTATION                 0x0112
    410. 

  410. #define TAG_SAMPLES_PER_PIXEL           0x0115
    411. 

  411. #define TAG_ROWS_PER_STRIP              0x0116
    412. 

  412. #define TAG_STRIP_BYTE_COUNTS           0x0117
    413. 

  413. #define TAG_MIN_SAMPPLE_VALUE           0x0118
    414. 

  414. #define TAG_MAX_SAMPLE_VALUE            0x0119
    415. 

  415. #define TAG_X_RESOLUTION                0x011A
    416. 

  416. #define TAG_Y_RESOLUTION                0x011B
    417. 

  417. #define TAG_PLANAR_CONFIGURATION        0x011C
    418. 

  418. #define TAG_PAGE_NAME                   0x011D
    419. 

  419. #define TAG_X_POSITION                  0x011E
    420. 

  420. #define TAG_Y_POSITION                  0x011F
    421. 

  421. #define TAG_FREE_OFFSETS                0x0120
    422. 

  422. #define TAG_FREE_BYTE_COUNTS            0x0121
    423. 

  423. #define TAG_GRAY_RESPONSE_UNIT          0x0122
    424. 

  424. #define TAG_GRAY_RESPONSE_CURVE         0x0123
    425. 

  425. #define TAG_RESOLUTION_UNIT             0x0128
    426. 

  426. #define TAG_PAGE_NUMBER                 0x0129
    427. 

  427. #define TAG_TRANSFER_FUNCTION           0x012D
    428. 

  428. #define TAG_SOFTWARE                    0x0131
    429. 

  429. #define TAG_DATETIME                    0x0132
    430. 

  430. #define TAG_ARTIST                      0x013B
    431. 

  431. #define TAG_HOST_COMPUTER               0x013C
    432. 

  432. #define TAG_PREDICTOR                   0x013D
    433. 

  433. #define TAG_WHITE_POINT                 0x013E
    434. 

  434. #define TAG_PRIMARY_CHROMATICITIES      0x013F
    435. 

  435. #define TAG_COLOR_MAP                   0x0140
    436. 

  436. #define TAG_HALFTONE_HINTS              0x0141
    437. 

  437. #define TAG_TILE_WIDTH                  0x0142
    438. 

  438. #define TAG_TILE_LENGTH                 0x0143
    439. 

  439. #define TAG_TILE_OFFSETS                0x0144
    440. 

  440. #define TAG_TILE_BYTE_COUNTS            0x0145
    441. 

  441. #define TAG_SUB_IFD                     0x014A
    442. 

  442. #define TAG_INK_SETMPUTER               0x014C
    443. 

  443. #define TAG_INK_NAMES                   0x014D
    444. 

  444. #define TAG_NUMBER_OF_INKS              0x014E
    445. 

  445. #define TAG_DOT_RANGE                   0x0150
    446. 

  446. #define TAG_TARGET_PRINTER              0x0151
    447. 

  447. #define TAG_EXTRA_SAMPLE                0x0152
    448. 

  448. #define TAG_SAMPLE_FORMAT               0x0153
    449. 

  449. #define TAG_S_MIN_SAMPLE_VALUE          0x0154
    450. 

  450. #define TAG_S_MAX_SAMPLE_VALUE          0x0155
    451. 

  451. #define TAG_TRANSFER_RANGE              0x0156
    452. 

  452. #define TAG_JPEG_TABLES                 0x015B
    453. 

  453. #define TAG_JPEG_PROC                   0x0200
    454. 

  454. #define TAG_JPEG_INTERCHANGE_FORMAT     0x0201
    455. 

  455. #define TAG_JPEG_INTERCHANGE_FORMAT_LEN 0x0202
    456. 

  456. #define TAG_JPEG_RESTART_INTERVAL       0x0203
    457. 

  457. #define TAG_JPEG_LOSSLESS_PREDICTOR     0x0205
    458. 

  458. #define TAG_JPEG_POINT_TRANSFORMS       0x0206
    459. 

  459. #define TAG_JPEG_Q_TABLES               0x0207
    460. 

  460. #define TAG_JPEG_DC_TABLES              0x0208
    461. 

  461. #define TAG_JPEG_AC_TABLES              0x0209
    462. 

  462. #define TAG_YCC_COEFFICIENTS            0x0211
    463. 

  463. #define TAG_YCC_SUB_SAMPLING            0x0212
    464. 

  464. #define TAG_YCC_POSITIONING             0x0213
    465. 

  465. #define TAG_REFERENCE_BLACK_WHITE       0x0214
    466. 

  466. /* 0x0301 - 0x0302 */
    467. 

  467. /* 0x0320 */
    468. 

  468. /* 0x0343 */
    469. 

  469. /* 0x5001 - 0x501B */
    470. 

  470. /* 0x5021 - 0x503B */
    471. 

  471. /* 0x5090 - 0x5091 */
    472. 

  472. /* 0x5100 - 0x5101 */
    473. 

  473. /* 0x5110 - 0x5113 */
    474. 

  474. /* 0x80E3 - 0x80E6 */
    475. 

  475. /* 0x828d - 0x828F */
    476. 

  476. #define TAG_COPYRIGHT                   0x8298
    477. 

  477. #define TAG_EXPOSURETIME                0x829A
    478. 

  478. #define TAG_FNUMBER                     0x829D
    479. 

  479. #define TAG_EXIF_IFD_POINTER            0x8769
    480. 

  480. #define TAG_ICC_PROFILE                 0x8773
    481. 

  481. #define TAG_EXPOSURE_PROGRAM            0x8822
    482. 

  482. #define TAG_SPECTRAL_SENSITY            0x8824
    483. 

  483. #define TAG_GPS_IFD_POINTER             0x8825
    484. 

  484. #define TAG_ISOSPEED                    0x8827
    485. 

  485. #define TAG_OPTOELECTRIC_CONVERSION_F   0x8828
    486. 

  486. /* 0x8829 - 0x882b */
    487. 

  487. #define TAG_EXIFVERSION                 0x9000
    488. 

  488. #define TAG_DATE_TIME_ORIGINAL          0x9003
    489. 

  489. #define TAG_DATE_TIME_DIGITIZED         0x9004
    490. 

  490. #define TAG_COMPONENT_CONFIG            0x9101
    491. 

  491. #define TAG_COMPRESSED_BITS_PER_PIXEL   0x9102
    492. 

  492. #define TAG_SHUTTERSPEED                0x9201
    493. 

  493. #define TAG_APERTURE                    0x9202
    494. 

  494. #define TAG_BRIGHTNESS_VALUE            0x9203
    495. 

  495. #define TAG_EXPOSURE_BIAS_VALUE         0x9204
    496. 

  496. #define TAG_MAX_APERTURE                0x9205
    497. 

  497. #define TAG_SUBJECT_DISTANCE            0x9206
    498. 

  498. #define TAG_METRIC_MODULE               0x9207
    499. 

  499. #define TAG_LIGHT_SOURCE                0x9208
    500. 

  500. #define TAG_FLASH                       0x9209
    501. 

  501. #define TAG_FOCAL_LENGTH                0x920A
    502. 

  502. /* 0x920B - 0x920D */
    503. 

  503. /* 0x9211 - 0x9216 */
    504. 

  504. #define TAG_SUBJECT_AREA                0x9214
    505. 

  505. #define TAG_MAKER_NOTE                  0x927C
    506. 

  506. #define TAG_USERCOMMENT                 0x9286
    507. 

  507. #define TAG_SUB_SEC_TIME                0x9290
    508. 

  508. #define TAG_SUB_SEC_TIME_ORIGINAL       0x9291
    509. 

  509. #define TAG_SUB_SEC_TIME_DIGITIZED      0x9292
    510. 

  510. /* 0x923F */
    511. 

  511. /* 0x935C */
    512. 

  512. #define TAG_XP_TITLE                    0x9C9B
    513. 

  513. #define TAG_XP_COMMENTS                 0x9C9C
    514. 

  514. #define TAG_XP_AUTHOR                   0x9C9D
    515. 

  515. #define TAG_XP_KEYWORDS                 0x9C9E
    516. 

  516. #define TAG_XP_SUBJECT                  0x9C9F
    517. 

  517. #define TAG_FLASH_PIX_VERSION           0xA000
    518. 

  518. #define TAG_COLOR_SPACE                 0xA001
    519. 

  519. #define TAG_COMP_IMAGE_WIDTH            0xA002 /* compressed images only */
    520. 

  520. #define TAG_COMP_IMAGE_HEIGHT           0xA003
    521. 

  521. #define TAG_RELATED_SOUND_FILE          0xA004
    522. 

  522. #define TAG_INTEROP_IFD_POINTER         0xA005 /* IFD pointer */
    523. 

  523. #define TAG_FLASH_ENERGY                0xA20B
    524. 

  524. #define TAG_SPATIAL_FREQUENCY_RESPONSE  0xA20C
    525. 

  525. #define TAG_FOCALPLANE_X_RES            0xA20E
    526. 

  526. #define TAG_FOCALPLANE_Y_RES            0xA20F
    527. 

  527. #define TAG_FOCALPLANE_RESOLUTION_UNIT  0xA210
    528. 

  528. #define TAG_SUBJECT_LOCATION            0xA214
    529. 

  529. #define TAG_EXPOSURE_INDEX              0xA215
    530. 

  530. #define TAG_SENSING_METHOD              0xA217
    531. 

  531. #define TAG_FILE_SOURCE                 0xA300
    532. 

  532. #define TAG_SCENE_TYPE                  0xA301
    533. 

  533. #define TAG_CFA_PATTERN                 0xA302
    534. 

  534. #define TAG_CUSTOM_RENDERED             0xA401
    535. 

  535. #define TAG_EXPOSURE_MODE               0xA402
    536. 

  536. #define TAG_WHITE_BALANCE               0xA403
    537. 

  537. #define TAG_DIGITAL_ZOOM_RATIO          0xA404
    538. 

  538. #define TAG_FOCAL_LENGTH_IN_35_MM_FILM  0xA405
    539. 

  539. #define TAG_SCENE_CAPTURE_TYPE          0xA406
    540. 

  540. #define TAG_GAIN_CONTROL                0xA407
    541. 

  541. #define TAG_CONTRAST                    0xA408
    542. 

  542. #define TAG_SATURATION                  0xA409
    543. 

  543. #define TAG_SHARPNESS                   0xA40A
    544. 

  544. #define TAG_DEVICE_SETTING_DESCRIPTION  0xA40B
    545. 

  545. #define TAG_SUBJECT_DISTANCE_RANGE      0xA40C
    546. 

  546. #define TAG_IMAGE_UNIQUE_ID             0xA420
    547. 

  547. 

  548. /* Olympus specific tags */
    549. 

  549. #define TAG_OLYMPUS_SPECIALMODE         0x0200
    550. 

  550. #define TAG_OLYMPUS_JPEGQUAL            0x0201
    551. 

  551. #define TAG_OLYMPUS_MACRO               0x0202
    552. 

  552. #define TAG_OLYMPUS_DIGIZOOM            0x0204
    553. 

  553. #define TAG_OLYMPUS_SOFTWARERELEASE     0x0207
    554. 

  554. #define TAG_OLYMPUS_PICTINFO            0x0208
    555. 

  555. #define TAG_OLYMPUS_CAMERAID            0x0209
    556. 

  556. /* end Olympus specific tags */
    557. 

  557. 

  558. /* Internal */
    559. 

  559. #define TAG_NONE               			-1 /* note that -1 <> 0xFFFF */
    560. 

  560. #define TAG_COMPUTED_VALUE     			-2
    561. 

  561. #define TAG_END_OF_LIST                 0xFFFD
    562. 

  562. 

  563. /* Values for TAG_PHOTOMETRIC_INTERPRETATION */
    564. 

  564. #define PMI_BLACK_IS_ZERO       0
    565. 

  565. #define PMI_WHITE_IS_ZERO       1
    566. 

  566. #define PMI_RGB          	    2
    567. 

  567. #define PMI_PALETTE_COLOR       3
    568. 

  568. #define PMI_TRANSPARENCY_MASK   4
    569. 

  569. #define PMI_SEPARATED           5
    570. 

  570. #define PMI_YCBCR               6
    571. 

  571. #define PMI_CIELAB              8
    572. 

  572. 

  573. /* }}} */
    574. 

  574. 

  575. /* {{{ TabTable[]
    576. 

  576.  */
    577. 

  577. typedef const struct {
    578. 

  578. 	unsigned short Tag;
    579. 

  579. 	char *Desc;
    580. 

  580. } tag_info_type;
    581. 

  581. 

  582. typedef tag_info_type  tag_info_array[];
    583. 

  583. typedef tag_info_type  *tag_table_type;
    584. 

  584. 

  585. #define TAG_TABLE_END \
    586. 

  586.   {TAG_NONE,           "No tag value"},\
    587. 

  587.   {TAG_COMPUTED_VALUE, "Computed value"},\
    588. 

  588.   {TAG_END_OF_LIST,    ""}  /* Important for exif_get_tagname() IF value != "" function result is != false */
    589. 

  589. 

  590. static tag_info_array tag_table_IFD = {
    591. 

  591.   { 0x000B, "ACDComment"},
    592. 

  592.   { 0x00FE, "NewSubFile"}, /* better name it 'ImageType' ? */
    593. 

  593.   { 0x00FF, "SubFile"},
    594. 

  594.   { 0x0100, "ImageWidth"},
    595. 

  595.   { 0x0101, "ImageLength"},
    596. 

  596.   { 0x0102, "BitsPerSample"},
    597. 

  597.   { 0x0103, "Compression"},
    598. 

  598.   { 0x0106, "PhotometricInterpretation"},
    599. 

  599.   { 0x010A, "FillOrder"},
    600. 

  600.   { 0x010D, "DocumentName"},
    601. 

  601.   { 0x010E, "ImageDescription"},
    602. 

  602.   { 0x010F, "Make"},
    603. 

  603.   { 0x0110, "Model"},
    604. 

  604.   { 0x0111, "StripOffsets"},
    605. 

  605.   { 0x0112, "Orientation"},
    606. 

  606.   { 0x0115, "SamplesPerPixel"},
    607. 

  607.   { 0x0116, "RowsPerStrip"},
    608. 

  608.   { 0x0117, "StripByteCounts"},
    609. 

  609.   { 0x0118, "MinSampleValue"},
    610. 

  610.   { 0x0119, "MaxSampleValue"},
    611. 

  611.   { 0x011A, "XResolution"},
    612. 

  612.   { 0x011B, "YResolution"},
    613. 

  613.   { 0x011C, "PlanarConfiguration"},
    614. 

  614.   { 0x011D, "PageName"},
    615. 

  615.   { 0x011E, "XPosition"},
    616. 

  616.   { 0x011F, "YPosition"},
    617. 

  617.   { 0x0120, "FreeOffsets"},
    618. 

  618.   { 0x0121, "FreeByteCounts"},
    619. 

  619.   { 0x0122, "GrayResponseUnit"},
    620. 

  620.   { 0x0123, "GrayResponseCurve"},
    621. 

  621.   { 0x0124, "T4Options"},
    622. 

  622.   { 0x0125, "T6Options"},
    623. 

  623.   { 0x0128, "ResolutionUnit"},
    624. 

  624.   { 0x0129, "PageNumber"},
    625. 

  625.   { 0x012D, "TransferFunction"},
    626. 

  626.   { 0x0131, "Software"},
    627. 

  627.   { 0x0132, "DateTime"},
    628. 

  628.   { 0x013B, "Artist"},
    629. 

  629.   { 0x013C, "HostComputer"},
    630. 

  630.   { 0x013D, "Predictor"},
    631. 

  631.   { 0x013E, "WhitePoint"},
    632. 

  632.   { 0x013F, "PrimaryChromaticities"},
    633. 

  633.   { 0x0140, "ColorMap"},
    634. 

  634.   { 0x0141, "HalfToneHints"},
    635. 

  635.   { 0x0142, "TileWidth"},
    636. 

  636.   { 0x0143, "TileLength"},
    637. 

  637.   { 0x0144, "TileOffsets"},
    638. 

  638.   { 0x0145, "TileByteCounts"},
    639. 

  639.   { 0x014A, "SubIFD"},
    640. 

  640.   { 0x014C, "InkSet"},
    641. 

  641.   { 0x014D, "InkNames"},
    642. 

  642.   { 0x014E, "NumberOfInks"},
    643. 

  643.   { 0x0150, "DotRange"},
    644. 

  644.   { 0x0151, "TargetPrinter"},
    645. 

  645.   { 0x0152, "ExtraSample"},
    646. 

  646.   { 0x0153, "SampleFormat"},
    647. 

  647.   { 0x0154, "SMinSampleValue"},
    648. 

  648.   { 0x0155, "SMaxSampleValue"},
    649. 

  649.   { 0x0156, "TransferRange"},
    650. 

  650.   { 0x0157, "ClipPath"},
    651. 

  651.   { 0x0158, "XClipPathUnits"},
    652. 

  652.   { 0x0159, "YClipPathUnits"},
    653. 

  653.   { 0x015A, "Indexed"},
    654. 

  654.   { 0x015B, "JPEGTables"},
    655. 

  655.   { 0x015F, "OPIProxy"},
    656. 

  656.   { 0x0200, "JPEGProc"},
    657. 

  657.   { 0x0201, "JPEGInterchangeFormat"},
    658. 

  658.   { 0x0202, "JPEGInterchangeFormatLength"},
    659. 

  659.   { 0x0203, "JPEGRestartInterval"},
    660. 

  660.   { 0x0205, "JPEGLosslessPredictors"},
    661. 

  661.   { 0x0206, "JPEGPointTransforms"},
    662. 

  662.   { 0x0207, "JPEGQTables"},
    663. 

  663.   { 0x0208, "JPEGDCTables"},
    664. 

  664.   { 0x0209, "JPEGACTables"},
    665. 

  665.   { 0x0211, "YCbCrCoefficients"},
    666. 

  666.   { 0x0212, "YCbCrSubSampling"},
    667. 

  667.   { 0x0213, "YCbCrPositioning"},
    668. 

  668.   { 0x0214, "ReferenceBlackWhite"},
    669. 

  669.   { 0x02BC, "ExtensibleMetadataPlatform"}, /* XAP: Extensible Authoring Publishing, obsoleted by XMP: Extensible Metadata Platform */
    670. 

  670.   { 0x0301, "Gamma"}, 
    671. 

  671.   { 0x0302, "ICCProfileDescriptor"}, 
    672. 

  672.   { 0x0303, "SRGBRenderingIntent"}, 
    673. 

  673.   { 0x0320, "ImageTitle"}, 
    674. 

  674.   { 0x5001, "ResolutionXUnit"}, 
    675. 

  675.   { 0x5002, "ResolutionYUnit"}, 
    676. 

  676.   { 0x5003, "ResolutionXLengthUnit"}, 
    677. 

  677.   { 0x5004, "ResolutionYLengthUnit"}, 
    678. 

  678.   { 0x5005, "PrintFlags"}, 
    679. 

  679.   { 0x5006, "PrintFlagsVersion"}, 
    680. 

  680.   { 0x5007, "PrintFlagsCrop"}, 
    681. 

  681.   { 0x5008, "PrintFlagsBleedWidth"}, 
    682. 

  682.   { 0x5009, "PrintFlagsBleedWidthScale"}, 
    683. 

  683.   { 0x500A, "HalftoneLPI"}, 
    684. 

  684.   { 0x500B, "HalftoneLPIUnit"}, 
    685. 

  685.   { 0x500C, "HalftoneDegree"}, 
    686. 

  686.   { 0x500D, "HalftoneShape"}, 
    687. 

  687.   { 0x500E, "HalftoneMisc"}, 
    688. 

  688.   { 0x500F, "HalftoneScreen"}, 
    689. 

  689.   { 0x5010, "JPEGQuality"}, 
    690. 

  690.   { 0x5011, "GridSize"}, 
    691. 

  691.   { 0x5012, "ThumbnailFormat"}, 
    692. 

  692.   { 0x5013, "ThumbnailWidth"}, 
    693. 

  693.   { 0x5014, "ThumbnailHeight"}, 
    694. 

  694.   { 0x5015, "ThumbnailColorDepth"}, 
    695. 

  695.   { 0x5016, "ThumbnailPlanes"}, 
    696. 

  696.   { 0x5017, "ThumbnailRawBytes"}, 
    697. 

  697.   { 0x5018, "ThumbnailSize"}, 
    698. 

  698.   { 0x5019, "ThumbnailCompressedSize"}, 
    699. 

  699.   { 0x501A, "ColorTransferFunction"}, 
    700. 

  700.   { 0x501B, "ThumbnailData"}, 
    701. 

  701.   { 0x5020, "ThumbnailImageWidth"}, 
    702. 

  702.   { 0x5021, "ThumbnailImageHeight"}, 
    703. 

  703.   { 0x5022, "ThumbnailBitsPerSample"}, 
    704. 

  704.   { 0x5023, "ThumbnailCompression"}, 
    705. 

  705.   { 0x5024, "ThumbnailPhotometricInterp"}, 
    706. 

  706.   { 0x5025, "ThumbnailImageDescription"}, 
    707. 

  707.   { 0x5026, "ThumbnailEquipMake"}, 
    708. 

  708.   { 0x5027, "ThumbnailEquipModel"}, 
    709. 

  709.   { 0x5028, "ThumbnailStripOffsets"}, 
    710. 

  710.   { 0x5029, "ThumbnailOrientation"}, 
    711. 

  711.   { 0x502A, "ThumbnailSamplesPerPixel"}, 
    712. 

  712.   { 0x502B, "ThumbnailRowsPerStrip"}, 
    713. 

  713.   { 0x502C, "ThumbnailStripBytesCount"}, 
    714. 

  714.   { 0x502D, "ThumbnailResolutionX"}, 
    715. 

  715.   { 0x502E, "ThumbnailResolutionY"}, 
    716. 

  716.   { 0x502F, "ThumbnailPlanarConfig"}, 
    717. 

  717.   { 0x5030, "ThumbnailResolutionUnit"}, 
    718. 

  718.   { 0x5031, "ThumbnailTransferFunction"}, 
    719. 

  719.   { 0x5032, "ThumbnailSoftwareUsed"}, 
    720. 

  720.   { 0x5033, "ThumbnailDateTime"}, 
    721. 

  721.   { 0x5034, "ThumbnailArtist"}, 
    722. 

  722.   { 0x5035, "ThumbnailWhitePoint"}, 
    723. 

  723.   { 0x5036, "ThumbnailPrimaryChromaticities"}, 
    724. 

  724.   { 0x5037, "ThumbnailYCbCrCoefficients"}, 
    725. 

  725.   { 0x5038, "ThumbnailYCbCrSubsampling"}, 
    726. 

  726.   { 0x5039, "ThumbnailYCbCrPositioning"}, 
    727. 

  727.   { 0x503A, "ThumbnailRefBlackWhite"}, 
    728. 

  728.   { 0x503B, "ThumbnailCopyRight"}, 
    729. 

  729.   { 0x5090, "LuminanceTable"}, 
    730. 

  730.   { 0x5091, "ChrominanceTable"}, 
    731. 

  731.   { 0x5100, "FrameDelay"}, 
    732. 

  732.   { 0x5101, "LoopCount"}, 
    733. 

  733.   { 0x5110, "PixelUnit"}, 
    734. 

  734.   { 0x5111, "PixelPerUnitX"}, 
    735. 

  735.   { 0x5112, "PixelPerUnitY"}, 
    736. 

  736.   { 0x5113, "PaletteHistogram"}, 
    737. 

  737.   { 0x1000, "RelatedImageFileFormat"},
    738. 

  738.   { 0x800D, "ImageID"},
    739. 

  739.   { 0x80E3, "Matteing"},   /* obsoleted by ExtraSamples */
    740. 

  740.   { 0x80E4, "DataType"},   /* obsoleted by SampleFormat */
    741. 

  741.   { 0x80E5, "ImageDepth"},
    742. 

  742.   { 0x80E6, "TileDepth"},
    743. 

  743.   { 0x828D, "CFARepeatPatternDim"},
    744. 

  744.   { 0x828E, "CFAPattern"},
    745. 

  745.   { 0x828F, "BatteryLevel"},
    746. 

  746.   { 0x8298, "Copyright"},
    747. 

  747.   { 0x829A, "ExposureTime"},
    748. 

  748.   { 0x829D, "FNumber"},
    749. 

  749.   { 0x83BB, "IPTC/NAA"},
    750. 

  750.   { 0x84E3, "IT8RasterPadding"},
    751. 

  751.   { 0x84E5, "IT8ColorTable"},
    752. 

  752.   { 0x8649, "ImageResourceInformation"}, /* PhotoShop */
    753. 

  753.   { 0x8769, "Exif_IFD_Pointer"},
    754. 

  754.   { 0x8773, "ICC_Profile"},
    755. 

  755.   { 0x8822, "ExposureProgram"},
    756. 

  756.   { 0x8824, "SpectralSensity"},
    757. 

  757.   { 0x8828, "OECF"},
    758. 

  758.   { 0x8825, "GPS_IFD_Pointer"},
    759. 

  759.   { 0x8827, "ISOSpeedRatings"},
    760. 

  760.   { 0x8828, "OECF"},
    761. 

  761.   { 0x9000, "ExifVersion"},
    762. 

  762.   { 0x9003, "DateTimeOriginal"},
    763. 

  763.   { 0x9004, "DateTimeDigitized"},
    764. 

  764.   { 0x9101, "ComponentsConfiguration"},
    765. 

  765.   { 0x9102, "CompressedBitsPerPixel"},
    766. 

  766.   { 0x9201, "ShutterSpeedValue"},
    767. 

  767.   { 0x9202, "ApertureValue"},
    768. 

  768.   { 0x9203, "BrightnessValue"},
    769. 

  769.   { 0x9204, "ExposureBiasValue"},
    770. 

  770.   { 0x9205, "MaxApertureValue"},
    771. 

  771.   { 0x9206, "SubjectDistance"},
    772. 

  772.   { 0x9207, "MeteringMode"},
    773. 

  773.   { 0x9208, "LightSource"},
    774. 

  774.   { 0x9209, "Flash"},
    775. 

  775.   { 0x920A, "FocalLength"},
    776. 

  776.   { 0x920B, "FlashEnergy"},                 /* 0xA20B  in JPEG   */
    777. 

  777.   { 0x920C, "SpatialFrequencyResponse"},    /* 0xA20C    -  -    */
    778. 

  778.   { 0x920D, "Noise"},
    779. 

  779.   { 0x920E, "FocalPlaneXResolution"},       /* 0xA20E    -  -    */
    780. 

  780.   { 0x920F, "FocalPlaneYResolution"},       /* 0xA20F    -  -    */
    781. 

  781.   { 0x9210, "FocalPlaneResolutionUnit"},    /* 0xA210    -  -    */
    782. 

  782.   { 0x9211, "ImageNumber"},
    783. 

  783.   { 0x9212, "SecurityClassification"},
    784. 

  784.   { 0x9213, "ImageHistory"},
    785. 

  785.   { 0x9214, "SubjectLocation"},             /* 0xA214    -  -    */
    786. 

  786.   { 0x9215, "ExposureIndex"},               /* 0xA215    -  -    */
    787. 

  787.   { 0x9216, "TIFF/EPStandardID"},
    788. 

  788.   { 0x9217, "SensingMethod"},               /* 0xA217    -  -    */
    789. 

  789.   { 0x923F, "StoNits"},
    790. 

  790.   { 0x927C, "MakerNote"},
    791. 

  791.   { 0x9286, "UserComment"},
    792. 

  792.   { 0x9290, "SubSecTime"},
    793. 

  793.   { 0x9291, "SubSecTimeOriginal"},
    794. 

  794.   { 0x9292, "SubSecTimeDigitized"},
    795. 

  795.   { 0x935C, "ImageSourceData"},             /* "Adobe Photoshop Document Data Block": 8BIM... */
    796. 

  796.   { 0x9c9b, "Title" },                      /* Win XP specific, Unicode  */
    797. 

  797.   { 0x9c9c, "Comments" },                   /* Win XP specific, Unicode  */
    798. 

  798.   { 0x9c9d, "Author" },                     /* Win XP specific, Unicode  */
    799. 

  799.   { 0x9c9e, "Keywords" },                   /* Win XP specific, Unicode  */
    800. 

  800.   { 0x9c9f, "Subject" },                    /* Win XP specific, Unicode, not to be confused with SubjectDistance and SubjectLocation */
    801. 

  801.   { 0xA000, "FlashPixVersion"},
    802. 

  802.   { 0xA001, "ColorSpace"},
    803. 

  803.   { 0xA002, "ExifImageWidth"},
    804. 

  804.   { 0xA003, "ExifImageLength"},
    805. 

  805.   { 0xA004, "RelatedSoundFile"},
    806. 

  806.   { 0xA005, "InteroperabilityOffset"},
    807. 

  807.   { 0xA20B, "FlashEnergy"},                 /* 0x920B in TIFF/EP */
    808. 

  808.   { 0xA20C, "SpatialFrequencyResponse"},    /* 0x920C    -  -    */
    809. 

  809.   { 0xA20D, "Noise"},
    810. 

  810.   { 0xA20E, "FocalPlaneXResolution"},    	/* 0x920E    -  -    */
    811. 

  811.   { 0xA20F, "FocalPlaneYResolution"},       /* 0x920F    -  -    */
    812. 

  812.   { 0xA210, "FocalPlaneResolutionUnit"},    /* 0x9210    -  -    */
    813. 

  813.   { 0xA211, "ImageNumber"},
    814. 

  814.   { 0xA212, "SecurityClassification"},
    815. 

  815.   { 0xA213, "ImageHistory"},
    816. 

  816.   { 0xA214, "SubjectLocation"},             /* 0x9214    -  -    */
    817. 

  817.   { 0xA215, "ExposureIndex"},               /* 0x9215    -  -    */
    818. 

  818.   { 0xA216, "TIFF/EPStandardID"},
    819. 

  819.   { 0xA217, "SensingMethod"},               /* 0x9217    -  -    */
    820. 

  820.   { 0xA300, "FileSource"},
    821. 

  821.   { 0xA301, "SceneType"},
    822. 

  822.   { 0xA302, "CFAPattern"},
    823. 

  823.   { 0xA401, "CustomRendered"},
    824. 

  824.   { 0xA402, "ExposureMode"},
    825. 

  825.   { 0xA403, "WhiteBalance"},
    826. 

  826.   { 0xA404, "DigitalZoomRatio"},
    827. 

  827.   { 0xA405, "FocalLengthIn35mmFilm"},
    828. 

  828.   { 0xA406, "SceneCaptureType"},
    829. 

  829.   { 0xA407, "GainControl"},
    830. 

  830.   { 0xA408, "Contrast"},
    831. 

  831.   { 0xA409, "Saturation"},
    832. 

  832.   { 0xA40A, "Sharpness"},
    833. 

  833.   { 0xA40B, "DeviceSettingDescription"},
    834. 

  834.   { 0xA40C, "SubjectDistanceRange"},
    835. 

  835.   { 0xA420, "ImageUniqueID"},
    836. 

  836.   TAG_TABLE_END
    837. 

  837. } ;
    838. 

  838. 

  839. static tag_info_array tag_table_GPS = {
    840. 

  840.   { 0x0000, "GPSVersion"},
    841. 

  841.   { 0x0001, "GPSLatitudeRef"},
    842. 

  842.   { 0x0002, "GPSLatitude"},
    843. 

  843.   { 0x0003, "GPSLongitudeRef"},
    844. 

  844.   { 0x0004, "GPSLongitude"},
    845. 

  845.   { 0x0005, "GPSAltitudeRef"},
    846. 

  846.   { 0x0006, "GPSAltitude"},
    847. 

  847.   { 0x0007, "GPSTimeStamp"},
    848. 

  848.   { 0x0008, "GPSSatellites"},
    849. 

  849.   { 0x0009, "GPSStatus"},
    850. 

  850.   { 0x000A, "GPSMeasureMode"},
    851. 

  851.   { 0x000B, "GPSDOP"},
    852. 

  852.   { 0x000C, "GPSSpeedRef"},
    853. 

  853.   { 0x000D, "GPSSpeed"},
    854. 

  854.   { 0x000E, "GPSTrackRef"},
    855. 

  855.   { 0x000F, "GPSTrack"},
    856. 

  856.   { 0x0010, "GPSImgDirectionRef"},
    857. 

  857.   { 0x0011, "GPSImgDirection"},
    858. 

  858.   { 0x0012, "GPSMapDatum"},
    859. 

  859.   { 0x0013, "GPSDestLatitudeRef"},
    860. 

  860.   { 0x0014, "GPSDestLatitude"},
    861. 

  861.   { 0x0015, "GPSDestLongitudeRef"},
    862. 

  862.   { 0x0016, "GPSDestLongitude"},
    863. 

  863.   { 0x0017, "GPSDestBearingRef"},
    864. 

  864.   { 0x0018, "GPSDestBearing"},
    865. 

  865.   { 0x0019, "GPSDestDistanceRef"},
    866. 

  866.   { 0x001A, "GPSDestDistance"},
    867. 

  867.   { 0x001B, "GPSProcessingMode"},
    868. 

  868.   { 0x001C, "GPSAreaInformation"},
    869. 

  869.   { 0x001D, "GPSDateStamp"},
    870. 

  870.   { 0x001E, "GPSDifferential"},
    871. 

  871.   TAG_TABLE_END
    872. 

  872. };
    873. 

  873. 

  874. static tag_info_array tag_table_IOP = {
    875. 

  875.   { 0x0001, "InterOperabilityIndex"}, /* should be 'R98' or 'THM' */
    876. 

  876.   { 0x0002, "InterOperabilityVersion"},
    877. 

  877.   { 0x1000, "RelatedFileFormat"},
    878. 

  878.   { 0x1001, "RelatedImageWidth"},
    879. 

  879.   { 0x1002, "RelatedImageHeight"},
    880. 

  880.   TAG_TABLE_END
    881. 

  881. };
    882. 

  882. 

  883. static tag_info_array tag_table_VND_CANON = {
    884. 

  884.   { 0x0001, "ModeArray"}, /* guess */
    885. 

  885.   { 0x0004, "ImageInfo"}, /* guess */
    886. 

  886.   { 0x0006, "ImageType"},
    887. 

  887.   { 0x0007, "FirmwareVersion"},
    888. 

  888.   { 0x0008, "ImageNumber"},
    889. 

  889.   { 0x0009, "OwnerName"},
    890. 

  890.   { 0x000C, "Camera"},
    891. 

  891.   { 0x000F, "CustomFunctions"},
    892. 

  892.   TAG_TABLE_END
    893. 

  893. };
    894. 

  894. 

  895. static tag_info_array tag_table_VND_CASIO = {
    896. 

  896.   { 0x0001, "RecordingMode"},
    897. 

  897.   { 0x0002, "Quality"},
    898. 

  898.   { 0x0003, "FocusingMode"},
    899. 

  899.   { 0x0004, "FlashMode"},
    900. 

  900.   { 0x0005, "FlashIntensity"},
    901. 

  901.   { 0x0006, "ObjectDistance"},
    902. 

  902.   { 0x0007, "WhiteBalance"},
    903. 

  903.   { 0x000A, "DigitalZoom"},
    904. 

  904.   { 0x000B, "Sharpness"},
    905. 

  905.   { 0x000C, "Contrast"},
    906. 

  906.   { 0x000D, "Saturation"},
    907. 

  907.   { 0x0014, "CCDSensitivity"},
    908. 

  908.   TAG_TABLE_END
    909. 

  909. };
    910. 

  910. 

  911. static tag_info_array tag_table_VND_FUJI = {
    912. 

  912.   { 0x0000, "Version"},
    913. 

  913.   { 0x1000, "Quality"},
    914. 

  914.   { 0x1001, "Sharpness"},
    915. 

  915.   { 0x1002, "WhiteBalance"},
    916. 

  916.   { 0x1003, "Color"},
    917. 

  917.   { 0x1004, "Tone"},
    918. 

  918.   { 0x1010, "FlashMode"},
    919. 

  919.   { 0x1011, "FlashStrength"},
    920. 

  920.   { 0x1020, "Macro"},
    921. 

  921.   { 0x1021, "FocusMode"},
    922. 

  922.   { 0x1030, "SlowSync"},
    923. 

  923.   { 0x1031, "PictureMode"},
    924. 

  924.   { 0x1100, "ContTake"},
    925. 

  925.   { 0x1300, "BlurWarning"},
    926. 

  926.   { 0x1301, "FocusWarning"},
    927. 

  927.   { 0x1302, "AEWarning "},
    928. 

  928.   TAG_TABLE_END
    929. 

  929. };
    930. 

  930. 

  931. static tag_info_array tag_table_VND_NIKON = {
    932. 

  932.   { 0x0003, "Quality"},
    933. 

  933.   { 0x0004, "ColorMode"},
    934. 

  934.   { 0x0005, "ImageAdjustment"},
    935. 

  935.   { 0x0006, "CCDSensitivity"},
    936. 

  936.   { 0x0007, "WhiteBalance"},
    937. 

  937.   { 0x0008, "Focus"},
    938. 

  938.   { 0x000a, "DigitalZoom"},
    939. 

  939.   { 0x000b, "Converter"},
    940. 

  940.   TAG_TABLE_END
    941. 

  941. };
    942. 

  942.   
    943. 

  943. static tag_info_array tag_table_VND_NIKON_990 = {
    944. 

  944.   { 0x0001, "Version"},
    945. 

  945.   { 0x0002, "ISOSetting"},
    946. 

  946.   { 0x0003, "ColorMode"},
    947. 

  947.   { 0x0004, "Quality"},
    948. 

  948.   { 0x0005, "WhiteBalance"},
    949. 

  949.   { 0x0006, "ImageSharpening"},
    950. 

  950.   { 0x0007, "FocusMode"},
    951. 

  951.   { 0x0008, "FlashSetting"},
    952. 

  952.   { 0x000F, "ISOSelection"},
    953. 

  953.   { 0x0080, "ImageAdjustment"},
    954. 

  954.   { 0x0082, "AuxiliaryLens"},
    955. 

  955.   { 0x0085, "ManualFocusDistance"},
    956. 

  956.   { 0x0086, "DigitalZoom"},
    957. 

  957.   { 0x0088, "AFFocusPosition"},
    958. 

  958.   { 0x0010, "DataDump"},
    959. 

  959.   TAG_TABLE_END
    960. 

  960. };
    961. 

  961.   
    962. 

  962. static tag_info_array tag_table_VND_OLYMPUS = {
    963. 

  963.   { 0x0200, "SpecialMode"},
    964. 

  964.   { 0x0201, "JPEGQuality"},
    965. 

  965.   { 0x0202, "Macro"},
    966. 

  966.   { 0x0204, "DigitalZoom"},
    967. 

  967.   { 0x0207, "SoftwareRelease"},
    968. 

  968.   { 0x0208, "PictureInfo"},
    969. 

  969.   { 0x0209, "CameraId"},
    970. 

  970.   { 0x0F00, "DataDump"},
    971. 

  971.   TAG_TABLE_END
    972. 

  972. };
    973. 

  973. 

  974. typedef enum mn_byte_order_t {
    975. 

  975. 	MN_ORDER_INTEL    = 0,
    976. 

  976. 	MN_ORDER_MOTOROLA = 1,
    977. 

  977. 	MN_ORDER_NORMAL
    978. 

  978. } mn_byte_order_t;
    979. 

  979. 

  980. typedef enum mn_offset_mode_t {
    981. 

  981. 	MN_OFFSET_NORMAL,
    982. 

  982. 	MN_OFFSET_MAKER,
    983. 

  983. 	MN_OFFSET_GUESS
    984. 

  984. } mn_offset_mode_t;
    985. 

  985. 

  986. typedef struct {
    987. 

  987. 	tag_table_type   tag_table;
    988. 

  988. 	char *           make;
    989. 

  989. 	char *           model;
    990. 

  990. 	char *           id_string;
    991. 

  991. 	int              id_string_len;
    992. 

  992. 	int              offset;
    993. 

  993. 	mn_byte_order_t  byte_order;
    994. 

  994. 	mn_offset_mode_t offset_mode;
    995. 

  995. } maker_note_type;
    996. 

  996. 

  997. static const maker_note_type maker_note_array[] = {
    998. 

  998.   { tag_table_VND_CANON,     "Canon",                   NULL,  NULL,                       0,  0,  MN_ORDER_INTEL,    MN_OFFSET_GUESS},
    999. 

  999. /*  { tag_table_VND_CANON,     "Canon",                   NULL,  NULL,                       0,  0,  MN_ORDER_NORMAL,   MN_OFFSET_NORMAL},*/
    1000. 

  1000.   { tag_table_VND_CASIO,     "CASIO",                   NULL,  NULL,                       0,  0,  MN_ORDER_MOTOROLA, MN_OFFSET_NORMAL},
    1001. 

  1001.   { tag_table_VND_FUJI,      "FUJIFILM",                NULL,  "FUJIFILM\x0C\x00\x00\x00", 12, 12, MN_ORDER_INTEL,    MN_OFFSET_MAKER},
    1002. 

  1002.   { tag_table_VND_NIKON,     "NIKON",                   NULL,  "Nikon\x00\x01\x00",        8,  8,  MN_ORDER_NORMAL,   MN_OFFSET_NORMAL},
    1003. 

  1003.   { tag_table_VND_NIKON_990, "NIKON",                   NULL,  NULL,                       0,  0,  MN_ORDER_NORMAL,   MN_OFFSET_NORMAL},
    1004. 

  1004.   { tag_table_VND_OLYMPUS,   "OLYMPUS OPTICAL CO.,LTD", NULL,  "OLYMP\x00\x01\x00",        8,  8,  MN_ORDER_NORMAL,   MN_OFFSET_NORMAL},
    1005. 

  1005. };
    1006. 

  1006. /* }}} */
    1007. 

  1007. 

  1008. /* {{{ exif_get_tagname
    1009. 

  1009. 	Get headername for tag_num or NULL if not defined */
    1010. 

  1010. static char * exif_get_tagname(int tag_num, char *ret, int len, tag_table_type tag_table TSRMLS_DC)
    1011. 

  1011. {
    1012. 

  1012. 	int i, t;
    1013. 

  1013. 	char tmp[32];
    1014. 

  1014. 

  1015. 	for (i = 0; (t = tag_table[i].Tag) != TAG_END_OF_LIST; i++) {
    1016. 

  1016. 		if (t == tag_num) {
    1017. 

  1017. 			if (ret && len)  {
    1018. 

  1018. 				strlcpy(ret, tag_table[i].Desc, abs(len));
    1019. 

  1019. 				if (len < 0) {
    1020. 

  1020. 					memset(ret + strlen(ret), ' ', -len - strlen(ret) - 1);
    1021. 

  1021. 					ret[-len - 1] = '\0';
    1022. 

  1022. 				}
    1023. 

  1023. 				return ret;
    1024. 

  1024. 			}
    1025. 

  1025. 			return tag_table[i].Desc;
    1026. 

  1026. 		}
    1027. 

  1027. 	}
    1028. 

  1028. 

  1029. 	if (ret && len) {
    1030. 

  1030. 		snprintf(tmp, sizeof(tmp), "UndefinedTag:0x%04X", tag_num);
    1031. 

  1031. 		strlcpy(ret, tmp, abs(len));
    1032. 

  1032. 		if (len < 0) {
    1033. 

  1033. 			memset(ret + strlen(ret), ' ', -len - strlen(ret) - 1);
    1034. 

  1034. 			ret[-len - 1] = '\0';
    1035. 

  1035. 		}
    1036. 

  1036. 		return ret;
    1037. 

  1037. 	}
    1038. 

  1038. 	return "";
    1039. 

  1039. }
    1040. 

  1040. /* }}} */
    1041. 

  1041. 

  1042. /* {{{ exif_char_dump
    1043. 

  1043.  * Do not use! This is a debug function... */
    1044. 

  1044. #ifdef EXIF_DEBUG
    1045. 

  1045. static unsigned char* exif_char_dump(unsigned char * addr, int len, int offset)
    1046. 

  1046. {
    1047. 

  1047. 	static unsigned char buf[4096+1];
    1048. 

  1048. 	static unsigned char tmp[20];
    1049. 

  1049. 	int c, i, p=0, n = 5+31;
    1050. 

  1050. 

  1051. 	p += slprintf(buf+p, sizeof(buf)-p, "\nDump Len: %08X (%d)", len, len);
    1052. 

  1052. 	if (len) {
    1053. 

  1053. 		for(i=0; i<len+15 && p+n<=sizeof(buf); i++) {
    1054. 

  1054. 			if (i%16==0) {
    1055. 

  1055. 				p += slprintf(buf+p, sizeof(buf)-p, "\n%08X: ", i+offset);
    1056. 

  1056. 			}
    1057. 

  1057. 			if (i<len) {
    1058. 

  1058. 				c = *addr++;
    1059. 

  1059. 				p += slprintf(buf+p, sizeof(buf)-p, "%02X ", c);
    1060. 

  1060. 				tmp[i%16] = c>=32 ? c : '.';
    1061. 

  1061. 				tmp[(i%16)+1] = '\0';
    1062. 

  1062. 			} else {
    1063. 

  1063. 				p += slprintf(buf+p, sizeof(buf)-p, "   ");
    1064. 

  1064. 			}
    1065. 

  1065. 			if (i%16==15) {
    1066. 

  1066. 				p += slprintf(buf+p, sizeof(buf)-p, "    %s", tmp);
    1067. 

  1067. 				if (i>=len) {
    1068. 

  1068. 					break;
    1069. 

  1069. 				}
    1070. 

  1070. 			}
    1071. 

  1071. 		}
    1072. 

  1072. 	}
    1073. 

  1073. 	buf[sizeof(buf)-1] = '\0';
    1074. 

  1074. 	return buf;
    1075. 

  1075. }
    1076. 

  1076. #endif
    1077. 

  1077. /* }}} */
    1078. 

  1078. 

  1079. /* {{{ php_jpg_get16
    1080. 

  1080.    Get 16 bits motorola order (always) for jpeg header stuff.
    1081. 

  1081. */
    1082. 

  1082. static int php_jpg_get16(void *value)
    1083. 

  1083. {
    1084. 

  1084. 	return (((uchar *)value)[0] << 8) | ((uchar *)value)[1];
    1085. 

  1085. }
    1086. 

  1086. /* }}} */
    1087. 

  1087. 

  1088. /* {{{ php_ifd_get16u
    1089. 

  1089.  * Convert a 16 bit unsigned value from file's native byte order */
    1090. 

  1090. static int php_ifd_get16u(void *value, int motorola_intel)
    1091. 

  1091. {
    1092. 

  1092. 	if (motorola_intel) {
    1093. 

  1093. 		return (((uchar *)value)[0] << 8) | ((uchar *)value)[1];
    1094. 

  1094. 	} else {
    1095. 

  1095. 		return (((uchar *)value)[1] << 8) | ((uchar *)value)[0];
    1096. 

  1096. 	}
    1097. 

  1097. }
    1098. 

  1098. /* }}} */
    1099. 

  1099. 

  1100. /* {{{ php_ifd_get16s
    1101. 

  1101.  * Convert a 16 bit signed value from file's native byte order */
    1102. 

  1102. static signed short php_ifd_get16s(void *value, int motorola_intel)
    1103. 

  1103. {
    1104. 

  1104. 	return (signed short)php_ifd_get16u(value, motorola_intel);
    1105. 

  1105. }
    1106. 

  1106. /* }}} */
    1107. 

  1107. 

  1108. /* {{{ php_ifd_get32s
    1109. 

  1109.  * Convert a 32 bit signed value from file's native byte order */
    1110. 

  1110. static int php_ifd_get32s(void *value, int motorola_intel)
    1111. 

  1111. {
    1112. 

  1112. 	if (motorola_intel) {
    1113. 

  1113. 		return  (((char  *)value)[0] << 24)
    1114. 

  1114. 			  | (((uchar *)value)[1] << 16)
    1115. 

  1115. 			  | (((uchar *)value)[2] << 8 )
    1116. 

  1116. 			  | (((uchar *)value)[3]      );
    1117. 

  1117. 	} else {
    1118. 

  1118. 		return  (((char  *)value)[3] << 24)
    1119. 

  1119. 			  | (((uchar *)value)[2] << 16)
    1120. 

  1120. 			  | (((uchar *)value)[1] << 8 )
    1121. 

  1121. 			  | (((uchar *)value)[0]      );
    1122. 

  1122. 	}
    1123. 

  1123. }
    1124. 

  1124. /* }}} */
    1125. 

  1125. 

  1126. /* {{{ php_ifd_get32u
    1127. 

  1127.  * Write 32 bit unsigned value to data */
    1128. 

  1128. static unsigned php_ifd_get32u(void *value, int motorola_intel)
    1129. 

  1129. {
    1130. 

  1130. 	return (unsigned)php_ifd_get32s(value, motorola_intel) & 0xffffffff;
    1131. 

  1131. }
    1132. 

  1132. /* }}} */
    1133. 

  1133. 

  1134. /* {{{ php_ifd_set16u
    1135. 

  1135.  * Write 16 bit unsigned value to data */
    1136. 

  1136. static void php_ifd_set16u(char *data, unsigned int value, int motorola_intel)
    1137. 

  1137. {
    1138. 

  1138. 	if (motorola_intel) {
    1139. 

  1139. 		data[0] = (value & 0xFF00) >> 8;
    1140. 

  1140. 		data[1] = (value & 0x00FF);
    1141. 

  1141. 	} else {
    1142. 

  1142. 		data[1] = (value & 0xFF00) >> 8;
    1143. 

  1143. 		data[0] = (value & 0x00FF);
    1144. 

  1144. 	}
    1145. 

  1145. }
    1146. 

  1146. /* }}} */
    1147. 

  1147. 

  1148. /* {{{ php_ifd_set32u
    1149. 

  1149.  * Convert a 32 bit unsigned value from file's native byte order */
    1150. 

  1150. static void php_ifd_set32u(char *data, size_t value, int motorola_intel)
    1151. 

  1151. {
    1152. 

  1152. 	if (motorola_intel) {
    1153. 

  1153. 		data[0] = (value & 0xFF000000) >> 24;
    1154. 

  1154. 		data[1] = (value & 0x00FF0000) >> 16;
    1155. 

  1155. 		data[2] = (value & 0x0000FF00) >>  8;
    1156. 

  1156. 		data[3] = (value & 0x000000FF);
    1157. 

  1157. 	} else {
    1158. 

  1158. 		data[3] = (value & 0xFF000000) >> 24;
    1159. 

  1159. 		data[2] = (value & 0x00FF0000) >> 16;
    1160. 

  1160. 		data[1] = (value & 0x0000FF00) >>  8;
    1161. 

  1161. 		data[0] = (value & 0x000000FF);
    1162. 

  1162. 	}
    1163. 

  1163. }
    1164. 

  1164. /* }}} */
    1165. 

  1165. 

  1166. #ifdef EXIF_DEBUG
    1167. 

  1167. char * exif_dump_data(int *dump_free, int format, int components, int length, int motorola_intel, char *value_ptr TSRMLS_DC) /* {{{ */
    1168. 

  1168. {
    1169. 

  1169. 	char *dump;
    1170. 

  1170. 	int len;
    1171. 

  1171. 

  1172. 	*dump_free = 0;
    1173. 

  1173. 	if (format == TAG_FMT_STRING) {
    1174. 

  1174. 		return value_ptr ? value_ptr : "<no data>";
    1175. 

  1175. 	}
    1176. 

  1176. 	if (format == TAG_FMT_UNDEFINED) {
    1177. 

  1177. 		return "<undefined>\n";
    1178. 

  1178. 	}
    1179. 

  1179. 	if (format == TAG_FMT_IFD) {
    1180. 

  1180. 		return "";
    1181. 

  1181. 	}
    1182. 

  1182. 	if (format == TAG_FMT_SINGLE || format == TAG_FMT_DOUBLE) {
    1183. 

  1183. 		return "<not implemented>";
    1184. 

  1184. 	}
    1185. 

  1185. 	*dump_free = 1;
    1186. 

  1186. 	if (components > 1) {
    1187. 

  1187. 		len = spprintf(&dump, 0, "(%d,%d) {", components, length);
    1188. 

  1188. 	} else {
    1189. 

  1189. 		len = spprintf(&dump, 0, "{");
    1190. 

  1190. 	}
    1191. 

  1191. 	while(components > 0) {
    1192. 

  1192. 		switch(format) {
    1193. 

  1193. 			case TAG_FMT_BYTE:
    1194. 

  1194. 			case TAG_FMT_UNDEFINED:
    1195. 

  1195. 			case TAG_FMT_STRING:
    1196. 

  1196. 			case TAG_FMT_SBYTE:
    1197. 

  1197. 				dump = erealloc(dump, len + 4 + 1);
    1198. 

  1198. 				snprintf(dump + len, 4 + 1, "0x%02X", *value_ptr);
    1199. 

  1199. 				len += 4;
    1200. 

  1200. 				value_ptr++;
    1201. 

  1201. 				break;
    1202. 

  1202. 			case TAG_FMT_USHORT:
    1203. 

  1203. 			case TAG_FMT_SSHORT:
    1204. 

  1204. 				dump = erealloc(dump, len + 6 + 1);
    1205. 

  1205. 				snprintf(dump + len, 6 + 1, "0x%04X", php_ifd_get16s(value_ptr, motorola_intel));
    1206. 

  1206. 				len += 6;
    1207. 

  1207. 				value_ptr += 2;
    1208. 

  1208. 				break;
    1209. 

  1209. 			case TAG_FMT_ULONG:
    1210. 

  1210. 			case TAG_FMT_SLONG:
    1211. 

  1211. 				dump = erealloc(dump, len + 6 + 1);
    1212. 

  1212. 				snprintf(dump + len, 6 + 1, "0x%04X", php_ifd_get32s(value_ptr, motorola_intel));
    1213. 

  1213. 				len += 6;
    1214. 

  1214. 				value_ptr += 4;
    1215. 

  1215. 				break;
    1216. 

  1216. 			case TAG_FMT_URATIONAL:
    1217. 

  1217. 			case TAG_FMT_SRATIONAL:
    1218. 

  1218. 				dump = erealloc(dump, len + 13 + 1);
    1219. 

  1219. 				snprintf(dump + len, 13 + 1, "0x%04X/0x%04X", php_ifd_get32s(value_ptr, motorola_intel), php_ifd_get32s(value_ptr+4, motorola_intel));
    1220. 

  1220. 				len += 13;
    1221. 

  1221. 				value_ptr += 8;
    1222. 

  1222. 				break;
    1223. 

  1223. 		}
    1224. 

  1224. 		if (components > 0) {
    1225. 

  1225. 			dump = erealloc(dump, len + 2 + 1);
    1226. 

  1226. 			snprintf(dump + len, 2 + 1, ", ");
    1227. 

  1227. 			len += 2;			
    1228. 

  1228. 			components--;
    1229. 

  1229. 		} else{
    1230. 

  1230. 			break;
    1231. 

  1231. 		}
    1232. 

  1232. 	}
    1233. 

  1233. 	dump = erealloc(dump, len + 1 + 1);
    1234. 

  1234. 	snprintf(dump + len, 1 + 1, "}");
    1235. 

  1235. 	return dump;
    1236. 

  1236. }
    1237. 

  1237. /* }}} */
    1238. 

  1238. #endif
    1239. 

  1239. 

  1240. /* {{{ exif_convert_any_format
    1241. 

  1241.  * Evaluate number, be it int, rational, or float from directory. */
    1242. 

  1242. static double exif_convert_any_format(void *value, int format, int motorola_intel TSRMLS_DC)
    1243. 

  1243. {
    1244. 

  1244. 	int 		s_den;
    1245. 

  1245. 	unsigned 	u_den;
    1246. 

  1246. 

  1247. 	switch(format) {
    1248. 

  1248. 		case TAG_FMT_SBYTE:     return *(signed char *)value;
    1249. 

  1249. 		case TAG_FMT_BYTE:      return *(uchar *)value;
    1250. 

  1250. 

  1251. 		case TAG_FMT_USHORT:    return php_ifd_get16u(value, motorola_intel);
    1252. 

  1252. 		case TAG_FMT_ULONG:     return php_ifd_get32u(value, motorola_intel);
    1253. 

  1253. 

  1254. 		case TAG_FMT_URATIONAL:
    1255. 

  1255. 			u_den = php_ifd_get32u(4+(char *)value, motorola_intel);
    1256. 

  1256. 			if (u_den == 0) {
    1257. 

  1257. 				return 0;
    1258. 

  1258. 			} else {
    1259. 

  1259. 				return (double)php_ifd_get32u(value, motorola_intel) / u_den;
    1260. 

  1260. 			}
    1261. 

  1261. 

  1262. 		case TAG_FMT_SRATIONAL:
    1263. 

  1263. 			s_den = php_ifd_get32s(4+(char *)value, motorola_intel);
    1264. 

  1264. 			if (s_den == 0) {
    1265. 

  1265. 				return 0;
    1266. 

  1266. 			} else {
    1267. 

  1267. 				return (double)php_ifd_get32s(value, motorola_intel) / s_den;
    1268. 

  1268. 			}
    1269. 

  1269. 

  1270. 		case TAG_FMT_SSHORT:    return (signed short)php_ifd_get16u(value, motorola_intel);
    1271. 

  1271. 		case TAG_FMT_SLONG:     return php_ifd_get32s(value, motorola_intel);
    1272. 

  1272. 

  1273. 		/* Not sure if this is correct (never seen float used in Exif format) */
    1274. 

  1274. 		case TAG_FMT_SINGLE:
    1275. 

  1275. #ifdef EXIF_DEBUG
    1276. 

  1276. 			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Found value of type single");
    1277. 

  1277. #endif
    1278. 

  1278. 			return (double)*(float *)value;
    1279. 

  1279. 		case TAG_FMT_DOUBLE:
    1280. 

  1280. #ifdef EXIF_DEBUG
    1281. 

  1281. 			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Found value of type double");
    1282. 

  1282. #endif
    1283. 

  1283. 			return *(double *)value;
    1284. 

  1284. 	}
    1285. 

  1285. 	return 0;
    1286. 

  1286. }
    1287. 

  1287. /* }}} */
    1288. 

  1288. 

  1289. /* {{{ exif_convert_any_to_int
    1290. 

  1290.  * Evaluate number, be it int, rational, or float from directory. */
    1291. 

  1291. static size_t exif_convert_any_to_int(void *value, int format, int motorola_intel TSRMLS_DC)
    1292. 

  1292. {
    1293. 

  1293. 	int 		s_den;
    1294. 

  1294. 	unsigned 	u_den;
    1295. 

  1295. 

  1296. 	switch(format) {
    1297. 

  1297. 		case TAG_FMT_SBYTE:     return *(signed char *)value;
    1298. 

  1298. 		case TAG_FMT_BYTE:      return *(uchar *)value;
    1299. 

  1299. 

  1300. 		case TAG_FMT_USHORT:    return php_ifd_get16u(value, motorola_intel);
    1301. 

  1301. 		case TAG_FMT_ULONG:     return php_ifd_get32u(value, motorola_intel);
    1302. 

  1302. 

  1303. 		case TAG_FMT_URATIONAL:
    1304. 

  1304. 			u_den = php_ifd_get32u(4+(char *)value, motorola_intel);
    1305. 

  1305. 			if (u_den == 0) {
    1306. 

  1306. 				return 0;
    1307. 

  1307. 			} else {
    1308. 

  1308. 				return php_ifd_get32u(value, motorola_intel) / u_den;
    1309. 

  1309. 			}
    1310. 

  1310. 

  1311. 		case TAG_FMT_SRATIONAL:
    1312. 

  1312. 			s_den = php_ifd_get32s(4+(char *)value, motorola_intel);
    1313. 

  1313. 			if (s_den == 0) {
    1314. 

  1314. 				return 0;
    1315. 

  1315. 			} else {
    1316. 

  1316. 				return php_ifd_get32s(value, motorola_intel) / s_den;
    1317. 

  1317. 			}
    1318. 

  1318. 

  1319. 		case TAG_FMT_SSHORT:    return php_ifd_get16u(value, motorola_intel);
    1320. 

  1320. 		case TAG_FMT_SLONG:     return php_ifd_get32s(value, motorola_intel);
    1321. 

  1321. 

  1322. 		/* Not sure if this is correct (never seen float used in Exif format) */
    1323. 

  1323. 		case TAG_FMT_SINGLE:
    1324. 

  1324. #ifdef EXIF_DEBUG
    1325. 

  1325. 			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Found value of type single");
    1326. 

  1326. #endif
    1327. 

  1327. 			return (size_t)*(float *)value;
    1328. 

  1328. 		case TAG_FMT_DOUBLE:
    1329. 

  1329. #ifdef EXIF_DEBUG
    1330. 

  1330. 			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Found value of type double");
    1331. 

  1331. #endif
    1332. 

  1332. 			return (size_t)*(double *)value;
    1333. 

  1333. 	}
    1334. 

  1334. 	return 0;
    1335. 

  1335. }
    1336. 

  1336. /* }}} */
    1337. 

  1337. 

  1338. /* {{{ struct image_info_value, image_info_list
    1339. 

  1339. */
    1340. 

  1340. #ifndef WORD
    1341. 

  1341. #define WORD unsigned short
    1342. 

  1342. #endif
    1343. 

  1343. #ifndef DWORD
    1344. 

  1344. #define DWORD unsigned int
    1345. 

  1345. #endif
    1346. 

  1346. 

  1347. typedef struct {
    1348. 

  1348. 	int             num;
    1349. 

  1349. 	int             den;
    1350. 

  1350. } signed_rational;
    1351. 

  1351. 

  1352. typedef struct {
    1353. 

  1353. 	unsigned int    num;
    1354. 

  1354. 	unsigned int    den;
    1355. 

  1355. } unsigned_rational;
    1356. 

  1356. 

  1357. typedef union _image_info_value {
    1358. 

  1358. 	char 				*s;
    1359. 

  1359. 	unsigned            u;
    1360. 

  1360. 	int 				i;
    1361. 

  1361. 	float               f;
    1362. 

  1362. 	double              d;
    1363. 

  1363. 	signed_rational 	sr;
    1364. 

  1364. 	unsigned_rational 	ur;
    1365. 

  1365. 	union _image_info_value   *list;
    1366. 

  1366. } image_info_value;
    1367. 

  1367. 

  1368. typedef struct {
    1369. 

  1369. 	WORD                tag;
    1370. 

  1370. 	WORD                format;
    1371. 

  1371. 	DWORD               length;
    1372. 

  1372. 	DWORD               dummy;  /* value ptr of tiff directory entry */
    1373. 

  1373. 	char 				*name;
    1374. 

  1374. 	image_info_value    value;
    1375. 

  1375. } image_info_data;
    1376. 

  1376. 

  1377. typedef struct {
    1378. 

  1378. 	int                 count;
    1379. 

  1379. 	image_info_data 	*list;
    1380. 

  1380. } image_info_list;
    1381. 

  1381. /* }}} */
    1382. 

  1382. 

  1383. /* {{{ exif_get_sectionname
    1384. 

  1384.  Returns the name of a section
    1385. 

  1385. */
    1386. 

  1386. #define SECTION_FILE        0
    1387. 

  1387. #define SECTION_COMPUTED    1
    1388. 

  1388. #define SECTION_ANY_TAG     2
    1389. 

  1389. #define SECTION_IFD0        3
    1390. 

  1390. #define SECTION_THUMBNAIL   4
    1391. 

  1391. #define SECTION_COMMENT     5
    1392. 

  1392. #define SECTION_APP0        6
    1393. 

  1393. #define SECTION_EXIF        7
    1394. 

  1394. #define SECTION_FPIX        8
    1395. 

  1395. #define SECTION_GPS         9
    1396. 

  1396. #define SECTION_INTEROP     10
    1397. 

  1397. #define SECTION_APP12       11
    1398. 

  1398. #define SECTION_WINXP       12
    1399. 

  1399. #define SECTION_MAKERNOTE   13
    1400. 

  1400. #define SECTION_COUNT       14
    1401. 

  1401. 

  1402. #define FOUND_FILE          (1<<SECTION_FILE)
    1403. 

  1403. #define FOUND_COMPUTED      (1<<SECTION_COMPUTED)
    1404. 

  1404. #define FOUND_ANY_TAG       (1<<SECTION_ANY_TAG)
    1405. 

  1405. #define FOUND_IFD0          (1<<SECTION_IFD0)
    1406. 

  1406. #define FOUND_THUMBNAIL     (1<<SECTION_THUMBNAIL)
    1407. 

  1407. #define FOUND_COMMENT       (1<<SECTION_COMMENT)
    1408. 

  1408. #define FOUND_APP0          (1<<SECTION_APP0)
    1409. 

  1409. #define FOUND_EXIF          (1<<SECTION_EXIF)
    1410. 

  1410. #define FOUND_FPIX          (1<<SECTION_FPIX)
    1411. 

  1411. #define FOUND_GPS           (1<<SECTION_GPS)
    1412. 

  1412. #define FOUND_INTEROP       (1<<SECTION_INTEROP)
    1413. 

  1413. #define FOUND_APP12         (1<<SECTION_APP12)
    1414. 

  1414. #define FOUND_WINXP         (1<<SECTION_WINXP)
    1415. 

  1415. #define FOUND_MAKERNOTE     (1<<SECTION_MAKERNOTE)
    1416. 

  1416. 

  1417. static char *exif_get_sectionname(int section)
    1418. 

  1418. {
    1419. 

  1419. 	switch(section) {
    1420. 

  1420. 		case SECTION_FILE:      return "FILE";
    1421. 

  1421. 		case SECTION_COMPUTED:  return "COMPUTED";
    1422. 

  1422. 		case SECTION_ANY_TAG:   return "ANY_TAG";
    1423. 

  1423. 		case SECTION_IFD0:      return "IFD0";
    1424. 

  1424. 		case SECTION_THUMBNAIL: return "THUMBNAIL";
    1425. 

  1425. 		case SECTION_COMMENT:   return "COMMENT";
    1426. 

  1426. 		case SECTION_APP0:      return "APP0";
    1427. 

  1427. 		case SECTION_EXIF:      return "EXIF";
    1428. 

  1428. 		case SECTION_FPIX:      return "FPIX";
    1429. 

  1429. 		case SECTION_GPS:       return "GPS";
    1430. 

  1430. 		case SECTION_INTEROP:   return "INTEROP";
    1431. 

  1431. 		case SECTION_APP12:     return "APP12";
    1432. 

  1432. 		case SECTION_WINXP:     return "WINXP";
    1433. 

  1433. 		case SECTION_MAKERNOTE: return "MAKERNOTE";
    1434. 

  1434. 	}
    1435. 

  1435. 	return "";
    1436. 

  1436. }
    1437. 

  1437. 

  1438. static tag_table_type exif_get_tag_table(int section)
    1439. 

  1439. {
    1440. 

  1440. 	switch(section) {
    1441. 

  1441. 		case SECTION_FILE:      return &tag_table_IFD[0];
    1442. 

  1442. 		case SECTION_COMPUTED:  return &tag_table_IFD[0];
    1443. 

  1443. 		case SECTION_ANY_TAG:   return &tag_table_IFD[0];
    1444. 

  1444. 		case SECTION_IFD0:      return &tag_table_IFD[0];
    1445. 

  1445. 		case SECTION_THUMBNAIL: return &tag_table_IFD[0];
    1446. 

  1446. 		case SECTION_COMMENT:   return &tag_table_IFD[0];
    1447. 

  1447. 		case SECTION_APP0:      return &tag_table_IFD[0];
    1448. 

  1448. 		case SECTION_EXIF:      return &tag_table_IFD[0];
    1449. 

  1449. 		case SECTION_FPIX:      return &tag_table_IFD[0];
    1450. 

  1450. 		case SECTION_GPS:       return &tag_table_GPS[0];
    1451. 

  1451. 		case SECTION_INTEROP:   return &tag_table_IOP[0];
    1452. 

  1452. 		case SECTION_APP12:     return &tag_table_IFD[0];
    1453. 

  1453. 		case SECTION_WINXP:     return &tag_table_IFD[0];
    1454. 

  1454. 	}
    1455. 

  1455. 	return &tag_table_IFD[0];
    1456. 

  1456. }
    1457. 

  1457. /* }}} */
    1458. 

  1458. 

  1459. /* {{{ exif_get_sectionlist
    1460. 

  1460.    Return list of sectionnames specified by sectionlist. Return value must be freed
    1461. 

  1461. */
    1462. 

  1462. static char *exif_get_sectionlist(int sectionlist TSRMLS_DC)
    1463. 

  1463. {
    1464. 

  1464. 	int i, len, ml = 0;
    1465. 

  1465. 	char *sections;
    1466. 

  1466. 

  1467. 	for(i=0; i<SECTION_COUNT; i++) {
    1468. 

  1468. 		ml += strlen(exif_get_sectionname(i))+2;
    1469. 

  1469. 	}
    1470. 

  1470. 	sections = safe_emalloc(ml, 1, 1);
    1471. 

  1471. 	sections[0] = '\0';
    1472. 

  1472. 	len = 0;
    1473. 

  1473. 	for(i=0; i<SECTION_COUNT; i++) {
    1474. 

  1474. 		if (sectionlist&(1<<i)) {
    1475. 

  1475. 			snprintf(sections+len, ml-len, "%s, ", exif_get_sectionname(i));
    1476. 

  1476. 			len = strlen(sections);
    1477. 

  1477. 		}
    1478. 

  1478. 	}
    1479. 

  1479. 	if (len>2)
    1480. 

  1480. 		sections[len-2] = '\0';
    1481. 

  1481. 	return sections;
    1482. 

  1482. }
    1483. 

  1483. /* }}} */
    1484. 

  1484. 

  1485. /* {{{ struct image_info_type
    1486. 

  1486.    This structure stores Exif header image elements in a simple manner
    1487. 

  1487.    Used to store camera data as extracted from the various ways that it can be
    1488. 

  1488.    stored in a nexif header
    1489. 

  1489. */
    1490. 

  1490. 

  1491. typedef struct {
    1492. 

  1492. 	int     type;
    1493. 

  1493. 	size_t  size;
    1494. 

  1494. 	uchar   *data;
    1495. 

  1495. } file_section;
    1496. 

  1496. 

  1497. typedef struct {
    1498. 

  1498. 	int             count;
    1499. 

  1499. 	file_section    *list;
    1500. 

  1500. } file_section_list;
    1501. 

  1501. 

  1502. typedef struct {
    1503. 

  1503. 	image_filetype  filetype;
    1504. 

  1504. 	size_t          width, height;
    1505. 

  1505. 	size_t          size;
    1506. 

  1506. 	size_t          offset;
    1507. 

  1507. 	char 	        *data;
    1508. 

  1508. } thumbnail_data;
    1509. 

  1509. 

  1510. typedef struct {
    1511. 

  1511. 	char			*value;
    1512. 

  1512. 	size_t			size;
    1513. 

  1513. 	int				tag;
    1514. 

  1514. } xp_field_type;
    1515. 

  1515. 

  1516. typedef struct {
    1517. 

  1517. 	int             count;
    1518. 

  1518. 	xp_field_type   *list;
    1519. 

  1519. } xp_field_list;
    1520. 

  1520. 

  1521. /* This structure is used to store a section of a Jpeg file. */
    1522. 

  1522. typedef struct {
    1523. 

  1523. 	php_stream      *infile;
    1524. 

  1524. 	char            *FileName;
    1525. 

  1525. 	time_t          FileDateTime;
    1526. 

  1526. 	size_t          FileSize;
    1527. 

  1527. 	image_filetype  FileType;
    1528. 

  1528. 	int             Height, Width;
    1529. 

  1529. 	int             IsColor;
    1530. 

  1530. 

  1531. 	char            *make;
    1532. 

  1532. 	char            *model;
    1533. 

  1533. 

  1534. 	float           ApertureFNumber;
    1535. 

  1535. 	float           ExposureTime;
    1536. 

  1536. 	double          FocalplaneUnits;
    1537. 

  1537. 	float           CCDWidth;
    1538. 

  1538. 	double          FocalplaneXRes;
    1539. 

  1539. 	size_t          ExifImageWidth;
    1540. 

  1540. 	float           FocalLength;
    1541. 

  1541. 	float           Distance;
    1542. 

  1542. 

  1543. 	int             motorola_intel; /* 1 Motorola; 0 Intel */
    1544. 

  1544. 

  1545. 	char            *UserComment;
    1546. 

  1546. 	int             UserCommentLength;
    1547. 

  1547. 	char            *UserCommentEncoding;
    1548. 

  1548. 	char            *encode_unicode;
    1549. 

  1549. 	char            *decode_unicode_be;
    1550. 

  1550. 	char            *decode_unicode_le;
    1551. 

  1551. 	char            *encode_jis;
    1552. 

  1552. 	char            *decode_jis_be;
    1553. 

  1553. 	char            *decode_jis_le;
    1554. 

  1554. 	char            *Copyright;/* EXIF standard defines Copyright as "<Photographer> [ '\0' <Editor> ] ['\0']" */
    1555. 

  1555. 	char            *CopyrightPhotographer;
    1556. 

  1556. 	char            *CopyrightEditor;
    1557. 

  1557. 

  1558. 	xp_field_list   xp_fields;
    1559. 

  1559. 

  1560. 	thumbnail_data  Thumbnail;
    1561. 

  1561. 	/* other */
    1562. 

  1562. 	int             sections_found; /* FOUND_<marker> */
    1563. 

  1563. 	image_info_list info_list[SECTION_COUNT];
    1564. 

  1564. 	/* for parsing */
    1565. 

  1565. 	int             read_thumbnail;
    1566. 

  1566. 	int             read_all;
    1567. 

  1567. 	int             ifd_nesting_level;
    1568. 

  1568. 	/* internal */
    1569. 

  1569. 	file_section_list 	file;
    1570. 

  1570. } image_info_type;
    1571. 

  1571. /* }}} */
    1572. 

  1572. 

  1573. /* {{{ exif_error_docref */
    1574. 

  1574. static void exif_error_docref(const char *docref EXIFERR_DC, const image_info_type *ImageInfo, int type, const char *format, ...)
    1575. 

  1575. {
    1576. 

  1576. 	va_list args;
    1577. 

  1577. 	
    1578. 

  1578. 	va_start(args, format);
    1579. 

  1579. #ifdef EXIF_DEBUG
    1580. 

  1580. 	{
    1581. 

  1581. 		char *buf;
    1582. 

  1582. 

  1583. 		spprintf(&buf, 0, "%s(%d): %s", _file, _line, format);
    1584. 

  1584. 		php_verror(docref, ImageInfo->FileName?ImageInfo->FileName:"", type, buf, args TSRMLS_CC);
    1585. 

  1585. 		efree(buf);
    1586. 

  1586. 	}
    1587. 

  1587. #else
    1588. 

  1588. 	php_verror(docref, ImageInfo->FileName?ImageInfo->FileName:"", type, format, args TSRMLS_CC);
    1589. 

  1589. #en…
    1590.

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