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      1 /* mnote-olympus-entry.c
      2  *
      3  * Copyright (c) 2002-2009 Lutz Mueller <lutz (at) users.sourceforge.net> et. al.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Lesser General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Lesser General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Lesser General Public
     16  * License along with this library; if not, write to the
     17  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA  02110-1301  USA.
     19  */
     20 
     21 #include <config.h>
     22 #include "mnote-olympus-entry.h"
     23 
     24 #include <stdio.h>
     25 #include <stdlib.h>
     26 #include <string.h>
     27 
     28 #include <libexif/exif-format.h>
     29 #include <libexif/exif-utils.h>
     30 #include <libexif/exif-entry.h>
     31 #include <libexif/i18n.h>
     32 
     33 #define CF(format,target,v,maxlen)                              \
     34 {                                                               \
     35         if (format != target) {                                 \
     36                 snprintf (v, maxlen,	                        \
     37                         _("Invalid format '%s', "               \
     38                         "expected '%s'."),                      \
     39                         exif_format_get_name (format),          \
     40                         exif_format_get_name (target));         \
     41                 break;                                          \
     42         }                                                       \
     43 }
     44 
     45 #define CF2(format,target1,target2,v,maxlen)                    \
     46 {                                                               \
     47         if ((format != target1) && (format != target2)) {       \
     48                 snprintf (v, maxlen,	                        \
     49                         _("Invalid format '%s', "               \
     50                         "expected '%s' or '%s'."),              \
     51                         exif_format_get_name (format),          \
     52                         exif_format_get_name (target1),         \
     53                         exif_format_get_name (target2));        \
     54                 break;                                          \
     55         }                                                       \
     56 }
     57 
     58 #define CC(number,target,v,maxlen)                                      \
     59 {                                                                       \
     60         if (number != target) {                                         \
     61                 snprintf (v, maxlen,                                    \
     62                         _("Invalid number of components (%i, "          \
     63                         "expected %i)."), (int) number, (int) target);  \
     64                 break;                                                  \
     65         }                                                               \
     66 }
     67 
     68 #define CC2(number,t1,t2,v,maxlen)                                      \
     69 {                                                                       \
     70 	if ((number < t1) || (number > t2)) {                           \
     71 		snprintf (v, maxlen,                                    \
     72 			_("Invalid number of components (%i, "          \
     73 			"expected %i or %i)."), (int) number,		\
     74 			(int) t1, (int) t2);  				\
     75 		break;                                                  \
     76 	}                                                               \
     77 }
     78 
     79 #define R2L(n) ((n).denominator ? (long)(n).numerator/(n).denominator : 0L)
     80 #define R2D(n) ((n).denominator ? (double)(n).numerator/(n).denominator : 0.0)
     81 
     82 static const struct {
     83 	ExifTag tag;
     84 	ExifFormat fmt;
     85 	struct {
     86 		int index;
     87 		const char *string;
     88 	} elem[24];
     89 } items[] = {
     90 #ifndef NO_VERBOSE_TAG_DATA
     91   { MNOTE_NIKON_TAG_LENSTYPE, EXIF_FORMAT_BYTE,
     92     { {0, N_("AF non D lens")},
     93       {1, N_("Manual")},
     94       {2, N_("AF-D or AF-S lens")},
     95       {6, N_("AF-D G lens")},
     96       {10, N_("AF-D VR lens")},
     97       {14, N_("AF-D G VR lens")},
     98       {0, NULL}}},
     99   { MNOTE_NIKON_TAG_FLASHUSED, EXIF_FORMAT_BYTE,
    100     { {0, N_("Flash did not fire")},
    101       {4, N_("Flash unit unknown")},
    102       {7, N_("Flash is external")},
    103       {9, N_("Flash is on camera")},
    104       {0, NULL}}},
    105   { MNOTE_NIKON1_TAG_QUALITY, EXIF_FORMAT_SHORT,
    106     { {1, N_("VGA basic")},
    107       {2, N_("VGA normal")},
    108       {3, N_("VGA fine")},
    109       {4, N_("SXGA basic")},
    110       {5, N_("SXGA normal")},
    111       {6, N_("SXGA fine")},
    112       {10, N_("2 Mpixel basic")},
    113       {11, N_("2 Mpixel normal")},
    114       {12, N_("2 Mpixel fine")},
    115       {0, NULL}}},
    116   { MNOTE_NIKON1_TAG_COLORMODE, EXIF_FORMAT_SHORT,
    117     { {1, N_("Color")},
    118       {2, N_("Monochrome")},
    119       {0, NULL}}},
    120   { MNOTE_NIKON1_TAG_IMAGEADJUSTMENT, EXIF_FORMAT_SHORT,
    121     { {0, N_("Normal")},
    122       {1, N_("Bright+")},
    123       {2, N_("Bright-")},
    124       {3, N_("Contrast+")},
    125       {4, N_("Contrast-")},
    126       {0, NULL}}},
    127   { MNOTE_NIKON1_TAG_CCDSENSITIVITY, EXIF_FORMAT_SHORT,
    128     { {0, N_("ISO 80")},
    129       {2, N_("ISO 160")},
    130       {4, N_("ISO 320")},
    131       {5, N_("ISO 100")},
    132       {0, NULL}}},
    133   { MNOTE_NIKON1_TAG_WHITEBALANCE, EXIF_FORMAT_SHORT,
    134     { {0, N_("Auto")},
    135       {1, N_("Preset")},
    136       {2, N_("Daylight")},
    137       {3, N_("Incandescence")},
    138       {4, N_("Fluorescence")},
    139       {5, N_("Cloudy")},
    140       {6, N_("SpeedLight")},
    141       {0, NULL}}},
    142   { MNOTE_NIKON1_TAG_CONVERTER, EXIF_FORMAT_SHORT,
    143     { {0, N_("No fisheye")},
    144       {1, N_("Fisheye on")},
    145       {0, NULL}}},
    146   { MNOTE_OLYMPUS_TAG_QUALITY, EXIF_FORMAT_SHORT,
    147     { {1, N_("Normal, SQ")},
    148       {2, N_("Normal, HQ")},
    149       {3, N_("Normal, SHQ")},
    150       {4, N_("Normal, RAW")},
    151       {5, N_("Normal, SQ1")},
    152       {6, N_("Normal, SQ2")},
    153       {7, N_("Normal, super high")},
    154       {17, N_("Normal, standard")},
    155       {0x101, N_("Fine, SQ")},
    156       {0x102, N_("Fine, HQ")},
    157       {0x103, N_("Fine, SHQ")},
    158       {0x104, N_("Fine, RAW")},
    159       {0x105, N_("Fine, SQ1")},
    160       {0x106, N_("Fine, SQ2")},
    161       {0x107, N_("Fine, super high")},
    162       {0x201, N_("Super fine, SQ")},
    163       {0x202, N_("Super fine, HQ")},
    164       {0x203, N_("Super fine, SHQ")},
    165       {0x204, N_("Super fine, RAW")},
    166       {0x205, N_("Super fine, SQ1")},
    167       {0x206, N_("Super fine, SQ2")},
    168       {0x207, N_("Super fine, super high")},
    169       {0x211, N_("Super fine, high")},
    170       {0, NULL}}},
    171   { MNOTE_OLYMPUS_TAG_MACRO, EXIF_FORMAT_SHORT,
    172     { {0, N_("No")},
    173       {1, N_("Yes")},
    174       {2, N_("Super macro")},
    175       {0, NULL}}},
    176   { MNOTE_OLYMPUS_TAG_BWMODE, EXIF_FORMAT_SHORT,
    177     { {0, N_("No")},
    178       {1, N_("Yes")},
    179       {0, NULL}}},
    180   { MNOTE_OLYMPUS_TAG_ONETOUCHWB, EXIF_FORMAT_SHORT,
    181     { {0, N_("Off")},
    182       {1, N_("On")},
    183       {2, N_("On (Preset)")},
    184       {0, NULL}}},
    185   { MNOTE_OLYMPUS_TAG_FLASHMODE, EXIF_FORMAT_SHORT,
    186     { {0, N_("Auto")},
    187       {1, N_("Red-eye reduction")},
    188       {2, N_("Fill")},
    189       {3, N_("Off")},
    190       {0, NULL}}},
    191   { MNOTE_OLYMPUS_TAG_FLASHDEVICE, EXIF_FORMAT_SHORT,
    192     { {0, N_("None")},
    193       {1, N_("Internal")},
    194       {4, N_("External")},
    195       {5, N_("Internal + external")},
    196       {0, NULL}}},
    197   { MNOTE_OLYMPUS_TAG_FOCUSRANGE, EXIF_FORMAT_SHORT,
    198     { {0, N_("Normal")},
    199       {1, N_("Macro")},
    200       {0, NULL}}},
    201   { MNOTE_OLYMPUS_TAG_MANFOCUS, EXIF_FORMAT_SHORT,
    202     { {0, N_("Auto")},
    203       {1, N_("Manual")},
    204       {0, NULL}}},
    205   { MNOTE_OLYMPUS_TAG_SHARPNESS, EXIF_FORMAT_SHORT,
    206     { {0, N_("Normal")},
    207       {1, N_("Hard")},
    208       {2, N_("Soft")},
    209       {0, NULL}}},
    210   { MNOTE_OLYMPUS_TAG_EXTERNALFLASHBOUNCE, EXIF_FORMAT_SHORT,
    211     { {0, N_("No")},
    212       {1, N_("Yes")},
    213       {0, NULL}}},
    214   { MNOTE_OLYMPUS_TAG_CONTRAST, EXIF_FORMAT_SHORT,
    215     { {0, N_("Hard")},
    216       {1, N_("Normal")},
    217       {2, N_("Soft")},
    218       {0, NULL}}},
    219   { MNOTE_OLYMPUS_TAG_PREVIEWIMAGEVALID, EXIF_FORMAT_LONG,
    220     { {0, N_("No")},
    221       {1, N_("Yes")},
    222       {0, NULL}}},
    223   { MNOTE_OLYMPUS_TAG_CCDSCANMODE, EXIF_FORMAT_SHORT,
    224     { {0, N_("Interlaced")},
    225       {1, N_("Progressive")},
    226       {0, NULL}}},
    227 
    228   { MNOTE_SANYO_TAG_SEQUENTIALSHOT, EXIF_FORMAT_SHORT,
    229     { {0, N_("None")},
    230       {1, N_("Standard")},
    231       {2, N_("Best")},
    232       {3, N_("Adjust exposure")},
    233       {0, NULL}}},
    234   { MNOTE_SANYO_TAG_FOCUSMODE, EXIF_FORMAT_SHORT,
    235     { {1, N_("Spot focus")},
    236       {2, N_("Normal focus")},
    237       {0, NULL}}},
    238   { MNOTE_SANYO_TAG_RECORDSHUTTERRELEASE, EXIF_FORMAT_SHORT,
    239     { {0, N_("Record while down")},
    240       {1, N_("Press start, press stop")},
    241       {0, NULL}}},
    242   { MNOTE_SANYO_TAG_RESAVED, EXIF_FORMAT_SHORT,
    243     { {0, N_("No")},
    244       {1, N_("Yes")},
    245       {0, NULL}}},
    246   { MNOTE_SANYO_TAG_CCDSENSITIVITY, EXIF_FORMAT_SHORT,
    247     { {0, N_("Auto")},
    248       {1, N_("ISO 50")},
    249       {3, N_("ISO 100")},
    250       {4, N_("ISO 200")},
    251       {5, N_("ISO 400")},
    252       {0, NULL}}},
    253   { MNOTE_SANYO_TAG_SCENESELECT, EXIF_FORMAT_SHORT,
    254     { {0, N_("Off")},
    255       {1, N_("Sport")},
    256       {2, N_("TV")},
    257       {3, N_("Night")},
    258       {4, N_("User 1")},
    259       {5, N_("User 2")},
    260       {6, N_("Lamp")},
    261       {0, NULL}}},
    262   { MNOTE_SANYO_TAG_SEQUENCESHOTINTERVAL, EXIF_FORMAT_SHORT,
    263     { {0, N_("5 frames/sec")},
    264       {1, N_("10 frames/sec")},
    265       {2, N_("15 frames/sec")},
    266       {3, N_("20 frames/sec")},
    267       {0, NULL}}},
    268 #endif
    269   { 0, 0, { { 0, NULL } } }
    270 };
    271 
    272 char *
    273 mnote_olympus_entry_get_value (MnoteOlympusEntry *entry, char *v, unsigned int maxlen)
    274 {
    275 	char         buf[30];
    276 	ExifLong     vl;
    277 	ExifShort    vs = 0;
    278 	ExifSShort   vss = 0;
    279 	ExifRational vr, vr2;
    280 	ExifSRational vsr;
    281 	int          i, j;
    282 	double       r, b;
    283 
    284 	if (!entry)
    285 		return (NULL);
    286 
    287 	memset (v, 0, maxlen);
    288 	maxlen--;
    289 
    290 	if ((!entry->data) && (entry->components > 0))
    291 		return (v);
    292 
    293 	if ((!entry->data) && (entry->size > 0))
    294 		return NULL;  /* internal inconsistency error */
    295 
    296 	switch (entry->tag) {
    297 
    298 	/* Nikon */
    299 	case MNOTE_NIKON_TAG_FIRMWARE:
    300 		CF (entry->format,  EXIF_FORMAT_UNDEFINED, v, maxlen);
    301 		CC (entry->components, 4, v, maxlen);
    302 		vl = exif_get_long (entry->data, entry->order);
    303 		if ((vl & 0xF0F0F0F0) == 0x30303030) {
    304 			memcpy (v, entry->data, MIN (maxlen, 4));
    305 		} else {
    306 			snprintf (v, maxlen, "%04lx", (long unsigned int) vl);
    307 		}
    308 		break;
    309 	case MNOTE_NIKON_TAG_ISO:
    310                 CF (entry->format, EXIF_FORMAT_SHORT, v, maxlen);
    311                 CC (entry->components, 2, v, maxlen);
    312                 /*vs = exif_get_short (entry->data, entry->order);*/
    313                 vs = exif_get_short (entry->data + 2, entry->order);
    314                 snprintf (v, maxlen, "ISO %hd", vs);
    315                 break;
    316 	case MNOTE_NIKON_TAG_ISO2:
    317                 CF (entry->format, EXIF_FORMAT_SHORT, v, maxlen);
    318                 CC (entry->components, 2, v, maxlen);
    319                 /*vs = exif_get_short (entry->data, entry->order);*/
    320                 vs = exif_get_short (entry->data + 2, entry->order);
    321                 snprintf (v, maxlen, "ISO2 %hd", vs);
    322                 break;
    323 	case MNOTE_NIKON_TAG_QUALITY:
    324 	case MNOTE_NIKON_TAG_COLORMODE:
    325 	case MNOTE_NIKON_TAG_COLORMODE1:
    326 	case MNOTE_NIKON_TAG_WHITEBALANCE:
    327 	case MNOTE_NIKON_TAG_SHARPENING:
    328 	case MNOTE_NIKON_TAG_FOCUSMODE:
    329 	case MNOTE_NIKON_TAG_FLASHSETTING:
    330 	case MNOTE_NIKON_TAG_ISOSELECTION:
    331 	case MNOTE_NIKON_TAG_FLASHMODE:
    332 	case MNOTE_NIKON_TAG_IMAGEADJUSTMENT:
    333 	case MNOTE_NIKON_TAG_ADAPTER:
    334 	case MNOTE_NIKON_TAG_SATURATION2:
    335 	case MNOTE_EPSON_TAG_SOFTWARE:
    336 		CF (entry->format, EXIF_FORMAT_ASCII, v, maxlen);
    337 		memcpy(v, entry->data, MIN (maxlen, entry->size));
    338 		break;
    339 	case MNOTE_NIKON_TAG_TOTALPICTURES:
    340 	case MNOTE_EPSON_TAG_IMAGE_WIDTH:
    341 	case MNOTE_EPSON_TAG_IMAGE_HEIGHT:
    342 		CF (entry->format, EXIF_FORMAT_LONG, v, maxlen);
    343 		CC (entry->components, 1, v, maxlen);
    344 		vl =  exif_get_long (entry->data, entry->order);
    345 		snprintf (v, maxlen, "%lu",  (long unsigned int) vl );
    346 		break;
    347 	case MNOTE_NIKON_TAG_LENS_FSTOPS:
    348 	case MNOTE_NIKON_TAG_EXPOSUREDIFF: {
    349 		unsigned char a,b,c,d;
    350 		CF (entry->format, EXIF_FORMAT_UNDEFINED, v, maxlen);
    351 		CC (entry->components, 4, v, maxlen);
    352 		vl =  exif_get_long (entry->data, entry->order);
    353 		a = (vl>>24)&0xff; b = (vl>>16)&0xff; c = (vl>>8)&0xff; d = (vl)&0xff;
    354 		snprintf (v, maxlen, "%.1f",  c?(float)a*((float)b/(float)c):0 );
    355 		break;
    356 	}
    357 	case MNOTE_NIKON_TAG_FLASHEXPCOMPENSATION:
    358 	case MNOTE_NIKON_TAG_FLASHEXPOSUREBRACKETVAL:
    359 		CF (entry->format, EXIF_FORMAT_UNDEFINED, v, maxlen);
    360 		CC (entry->components, 4, v, maxlen);
    361 		vl =  exif_get_long (entry->data, entry->order);
    362 		snprintf (v, maxlen, "%.1f",  ((long unsigned int) vl>>24)/6.0 );
    363 		break;
    364 	case MNOTE_NIKON_TAG_SATURATION:
    365 	case MNOTE_NIKON_TAG_WHITEBALANCEFINE:
    366 	case MNOTE_NIKON_TAG_HUE:
    367 	case MNOTE_OLYMPUS_TAG_SENSORTEMPERATURE:
    368 	case MNOTE_OLYMPUS_TAG_LENSTEMPERATURE:
    369 		CF (entry->format, EXIF_FORMAT_SSHORT, v, maxlen);
    370 		CC (entry->components, 1, v, maxlen);
    371 		vs = exif_get_short (entry->data, entry->order);
    372 		snprintf (v, maxlen, "%hd", vs);
    373 		break;
    374 	case MNOTE_NIKON_TAG_WHITEBALANCERB:
    375 		CF (entry->format, EXIF_FORMAT_RATIONAL, v, maxlen);
    376 		CC (entry->components, 4, v, maxlen);
    377 		vr = exif_get_rational (entry->data, entry->order);
    378 		r = R2D(vr);
    379 		vr = exif_get_rational (entry->data+8, entry->order);
    380 		b = R2D(vr);
    381 		snprintf (v, maxlen, _("Red Correction %f, blue Correction %f"), r,b);
    382 		break;
    383 	case MNOTE_NIKON_TAG_MANUALFOCUSDISTANCE:
    384 		CF (entry->format, EXIF_FORMAT_RATIONAL, v, maxlen);
    385 		CC (entry->components, 1, v, maxlen);
    386 		vr = exif_get_rational (entry->data, entry->order);
    387 		if (!vr.numerator || !vr.denominator) {
    388 			strncpy (v, _("No manual focus selection"), maxlen);
    389 		} else {
    390 			r = R2D(vr);
    391 			snprintf (v, maxlen, _("%2.2f meters"), r);
    392 		}
    393 		break;
    394 	case MNOTE_NIKON_TAG_SENSORPIXELSIZE:
    395 		CF (entry->format, EXIF_FORMAT_RATIONAL, v, maxlen);
    396 		CC (entry->components, 2, v, maxlen);
    397 		vr = exif_get_rational (entry->data, entry->order);
    398 		vr2 = exif_get_rational (entry->data+8, entry->order);
    399 		r = R2D(vr);
    400 		b = R2D(vr2);
    401 		snprintf (v, maxlen, "%2.2f x %2.2f um", r, b);
    402 		break;
    403 	case MNOTE_NIKON_TAG_BRACKETING:
    404 		CF2 (entry->format, EXIF_FORMAT_BYTE, EXIF_FORMAT_SHORT, v, maxlen);
    405 		CC (entry->components, 1, v, maxlen);
    406 		if (EXIF_FORMAT_SHORT == entry->format) {
    407 			vs = exif_get_short (entry->data, entry->order);
    408 		} else {
    409 			vs = entry->data[0];
    410 		}
    411 		snprintf (v, maxlen, "%hd", vs);
    412 		break;
    413 	case MNOTE_NIKON_TAG_AFFOCUSPOSITION:
    414 		CF (entry->format, EXIF_FORMAT_UNDEFINED, v, maxlen);
    415 		CC (entry->components, 4, v, maxlen);
    416 		switch (  *( entry->data+1)  ) {
    417 		  	case  0: strncpy (v, _("AF position: center"), maxlen); break;
    418 		  	case  1: strncpy (v, _("AF position: top"), maxlen); break;
    419 		  	case  2: strncpy (v, _("AF position: bottom"), maxlen); break;
    420 		  	case  3: strncpy (v, _("AF position: left"), maxlen); break;
    421 		  	case  4: strncpy (v, _("AF position: right"), maxlen); break;
    422 			case  5: strncpy (v, _("AF position: upper-left"), maxlen); break;
    423 		  	case  6: strncpy (v, _("AF position: upper-right"), maxlen); break;
    424 		  	case  7: strncpy (v, _("AF position: lower-left"), maxlen); break;
    425 		  	case  8: strncpy (v, _("AF position: lower-right"), maxlen); break;
    426 		  	case  9: strncpy (v, _("AF position: far left"), maxlen); break;
    427 		  	case  10: strncpy (v, _("AF position: far right"), maxlen); break;
    428 		  	default: strncpy (v, _("Unknown AF position"), maxlen);
    429 		}
    430 		break;
    431 	case MNOTE_OLYMPUS_TAG_FLASHDEVICE:
    432 		CF (entry->format, EXIF_FORMAT_SHORT, v, maxlen);
    433 		CC (entry->components, 2, v, maxlen);
    434 		vs = exif_get_short(entry->data, entry->order);
    435 		/* search for the tag */
    436 		for (i = 0; (items[i].tag && items[i].tag != entry->tag); i++)
    437 			;
    438 		if (!items[i].tag) {
    439 		  	snprintf (v, maxlen, _("Internal error (unknown value %hi)"), vs);
    440 		  	break;
    441 		}
    442 		CF (entry->format, items[i].fmt, v, maxlen);
    443 		/* find the value */
    444 		for (j = 0; items[i].elem[j].string &&
    445 			    (items[i].elem[j].index < vs); j++);
    446 		if (items[i].elem[j].index != vs) {
    447 			snprintf (v, maxlen, _("Unknown value %hi"), vs);
    448 			break;
    449 		}
    450 		strncpy (v, _(items[i].elem[j].string), maxlen);
    451 		break;
    452 	case MNOTE_OLYMPUS_TAG_DIGIZOOM:
    453 		if (entry->format == EXIF_FORMAT_RATIONAL) {
    454 			CC (entry->components, 1, v, maxlen);
    455 			vr = exif_get_rational (entry->data, entry->order);
    456 			if (!vr.numerator || !vr.denominator) {
    457 				strncpy (v, _("None"), maxlen);
    458 			} else {
    459 				r = R2D(vr);
    460 				snprintf (v, maxlen, "%2.2f", r);
    461 			}
    462 			break;
    463 		}
    464 		/* fall through to handle SHORT version of this tag */
    465 	case MNOTE_NIKON_TAG_LENSTYPE:
    466 	case MNOTE_NIKON_TAG_FLASHUSED:
    467 	case MNOTE_NIKON1_TAG_QUALITY:
    468 	case MNOTE_NIKON1_TAG_COLORMODE:
    469 	case MNOTE_NIKON1_TAG_IMAGEADJUSTMENT:
    470 	case MNOTE_NIKON1_TAG_CCDSENSITIVITY:
    471 	case MNOTE_NIKON1_TAG_WHITEBALANCE:
    472 	case MNOTE_NIKON1_TAG_CONVERTER:
    473 	case MNOTE_OLYMPUS_TAG_QUALITY:
    474 	case MNOTE_OLYMPUS_TAG_MACRO:
    475 	case MNOTE_OLYMPUS_TAG_BWMODE:
    476 	case MNOTE_OLYMPUS_TAG_ONETOUCHWB:
    477 	case MNOTE_OLYMPUS_TAG_FLASHMODE:
    478 	case MNOTE_OLYMPUS_TAG_FOCUSRANGE:
    479 	case MNOTE_OLYMPUS_TAG_MANFOCUS:
    480 	case MNOTE_OLYMPUS_TAG_SHARPNESS:
    481 	case MNOTE_OLYMPUS_TAG_EXTERNALFLASHBOUNCE:
    482 	case MNOTE_OLYMPUS_TAG_CONTRAST:
    483 	case MNOTE_OLYMPUS_TAG_PREVIEWIMAGEVALID:
    484 	case MNOTE_OLYMPUS_TAG_CCDSCANMODE:
    485 	case MNOTE_SANYO_TAG_SEQUENTIALSHOT:
    486 	case MNOTE_SANYO_TAG_FOCUSMODE:
    487 	case MNOTE_SANYO_TAG_RECORDSHUTTERRELEASE:
    488 	case MNOTE_SANYO_TAG_RESAVED:
    489 	case MNOTE_SANYO_TAG_CCDSENSITIVITY:
    490 	case MNOTE_SANYO_TAG_SCENESELECT:
    491 	case MNOTE_SANYO_TAG_SEQUENCESHOTINTERVAL:
    492 		CC (entry->components, 1, v, maxlen);
    493 		switch (entry->format) {
    494 		case EXIF_FORMAT_BYTE:
    495 		case EXIF_FORMAT_UNDEFINED:
    496 			vs = entry->data[0];
    497 			break;
    498 		case EXIF_FORMAT_SHORT:
    499 			vs = exif_get_short(entry->data, entry->order);
    500 			break;
    501 		default:
    502 			vs = 0;
    503 			break;
    504 		}
    505 		/* search for the tag */
    506 		for (i = 0; (items[i].tag && items[i].tag != entry->tag); i++)
    507 			;
    508 		if (!items[i].tag) {
    509 		  	snprintf (v, maxlen, _("Internal error (unknown value %hi)"), vs);
    510 		  	break;
    511 		}
    512 		CF (entry->format, items[i].fmt, v, maxlen);
    513 		/* find the value */
    514 		for (j = 0; items[i].elem[j].string &&
    515 			    (items[i].elem[j].index < vs); j++);
    516 		if (items[i].elem[j].index != vs) {
    517 			snprintf (v, maxlen, _("Unknown value %hi"), vs);
    518 			break;
    519 		}
    520 		strncpy (v, _(items[i].elem[j].string), maxlen);
    521 		break;
    522 	case MNOTE_OLYMPUS_TAG_NOISEREDUCTION:
    523 	case MNOTE_SANYO_TAG_WIDERANGE:
    524 	case MNOTE_SANYO_TAG_COLORADJUSTMENTMODE:
    525 	case MNOTE_SANYO_TAG_QUICKSHOT:
    526 	case MNOTE_SANYO_TAG_VOICEMEMO:
    527 	case MNOTE_SANYO_TAG_FLICKERREDUCE:
    528 	case MNOTE_SANYO_TAG_OPTICALZOOM:
    529 	case MNOTE_SANYO_TAG_DIGITALZOOM:
    530 	case MNOTE_SANYO_TAG_LIGHTSOURCESPECIAL:
    531 		CF (entry->format, EXIF_FORMAT_SHORT, v, maxlen);
    532 		CC (entry->components, 1, v, maxlen);
    533 		vs = exif_get_short (entry->data, entry->order);
    534 		switch (vs) {
    535 		case 0:
    536 			strncpy (v, _("Off"), maxlen);
    537 			break;
    538 		case 1:
    539 			strncpy (v, _("On"), maxlen);
    540 			break;
    541 		default:
    542 			sprintf (buf, _("Unknown %hu"), vs);
    543 			strncat (v, buf, maxlen - strlen (v));
    544 			break;
    545 		}
    546 		break;
    547 	case MNOTE_SANYO_TAG_SELFTIMER:
    548 		CF (entry->format, EXIF_FORMAT_SHORT, v, maxlen);
    549 		CC (entry->components, 1, v, maxlen);
    550 		vs = exif_get_short (entry->data, entry->order);
    551 		switch (vs) {
    552 		case 0:
    553 			strncpy (v, _("Off"), maxlen);
    554 			break;
    555 		case 1:
    556 			strncpy (v, _("On"), maxlen);
    557 			break;
    558 		case 2:
    559 			strncpy (v, _("2 sec."), maxlen);
    560 			break;
    561 		default:
    562 			sprintf (buf, _("Unknown %hu"), vs);
    563 			strncat (v, buf, maxlen - strlen (v));
    564 			break;
    565 		}
    566 		break;
    567 	case MNOTE_NIKON_TAG_LENS:
    568 		CF (entry->format, EXIF_FORMAT_RATIONAL, v, maxlen);
    569 		CC (entry->components, 4, v, maxlen);
    570 		{
    571 			double c,d;
    572 			unsigned long a,b;
    573 			vr = exif_get_rational (entry->data, entry->order);
    574 			a = R2L(vr);
    575 			vr = exif_get_rational (entry->data+8, entry->order);
    576 			b = R2L(vr);
    577 			vr = exif_get_rational (entry->data+16, entry->order);
    578 			c = R2D(vr);
    579 			vr = exif_get_rational (entry->data+24, entry->order);
    580 			d = R2D(vr);
    581 			snprintf (v, maxlen, "%ld-%ldmm 1:%3.1f - %3.1f",a,b,c,d);
    582 		}
    583 		break;
    584 
    585 	/* Olympus */
    586 	case MNOTE_OLYMPUS_TAG_MODE:
    587 		CF (entry->format, EXIF_FORMAT_LONG, v, maxlen);
    588 		CC (entry->components, 3, v, maxlen);
    589 		vl = exif_get_long (entry->data, entry->order);
    590 		switch (vl) {
    591 		case 0:
    592 			strncpy (v, _("Normal"), maxlen);
    593 			break;
    594 		case 1:
    595 			strncpy (v, _("Unknown"), maxlen);
    596 			break;
    597 		case 2:
    598 			strncpy (v, _("Fast"), maxlen);
    599 			break;
    600 		case 3:
    601 			strncpy (v, _("Panorama"), maxlen);
    602 			break;
    603 		default:
    604 			snprintf (v, maxlen, "%li", (long int) vl);
    605 		}
    606 		vl = exif_get_long (entry->data + 4, entry->order);
    607 		snprintf (buf, sizeof (buf), "/%li/", (long int) vl);
    608 		strncat (v, buf, maxlen - strlen (v));
    609 		vl = exif_get_long (entry->data + 8, entry->order);
    610 		switch (vl) {
    611 		case 1:
    612 			strncat (v, _("Left to right"), maxlen - strlen (v));
    613 			break;
    614 		case 2:
    615 			strncat (v, _("Right to left"), maxlen - strlen (v));
    616 			break;
    617 		case 3:
    618 			strncat (v, _("Bottom to top"), maxlen - strlen (v));
    619 			break;
    620 		case 4:
    621 			strncat (v, _("Top to bottom"), maxlen - strlen (v));
    622 			break;
    623 		default:
    624 			snprintf (buf, sizeof (buf), "%li",
    625 				  (long int) vl);
    626 			strncat (v, buf, maxlen - strlen (v));
    627 		}
    628 		break;
    629 	case MNOTE_OLYMPUS_TAG_LENSDISTORTION:
    630 		if (entry->format == EXIF_FORMAT_SHORT) {
    631 			/* Epson uses a single SHORT here */
    632 			CC (entry->components, 1, v, maxlen);
    633 			vs = exif_get_short (entry->data, entry->order);
    634 			sprintf (buf, "%hu", vs);
    635 			strncat (v, buf, maxlen - strlen (v));
    636 		} else {
    637 			/* Others use an array of SSHORT here */
    638 			CC (entry->components, 6, v, maxlen);
    639 			CF (entry->format, EXIF_FORMAT_SSHORT, v, maxlen);
    640 			for (i=0; i < (int)entry->components; ++i) {
    641 				vss = exif_get_sshort (entry->data+2*i, entry->order);
    642 				sprintf (buf, "%hd ", vss);
    643 				strncat (v, buf, maxlen - strlen (v));
    644 			}
    645 		}
    646 		break;
    647 	case MNOTE_OLYMPUS_TAG_COLORCONTROL:
    648 		CF (entry->format, EXIF_FORMAT_SHORT, v, maxlen);
    649 		CC (entry->components, 6, v, maxlen);
    650 		for (i=0; i < (int)entry->components; ++i) {
    651 			vs = exif_get_short (entry->data+2*i, entry->order);
    652 			sprintf (buf, "%hu ", vs);
    653 			strncat (v, buf, maxlen - strlen (v));
    654 		}
    655 		break;
    656 	case MNOTE_OLYMPUS_TAG_VERSION:
    657 		CF (entry->format, EXIF_FORMAT_ASCII, v, maxlen);
    658 		CC2 (entry->components, 5, 8, v, maxlen);
    659 		strncpy (v, (char *)entry->data, MIN (maxlen, entry->size));
    660 		break;
    661 	case MNOTE_OLYMPUS_TAG_SERIALNUMBER2:
    662 		CF (entry->format, EXIF_FORMAT_ASCII, v, maxlen);
    663 		strncpy (v, (char *)entry->data, MIN (maxlen, entry->size));
    664 		break;
    665 	case MNOTE_OLYMPUS_TAG_INFO:
    666 		CF (entry->format, EXIF_FORMAT_ASCII, v, maxlen);
    667 		CC2 (entry->components, 52, 60, v, maxlen);
    668 		strncpy (v, (char *)entry->data, MIN (maxlen, entry->size));
    669 		break;
    670 	case MNOTE_OLYMPUS_TAG_ID:
    671 		CF (entry->format, EXIF_FORMAT_UNDEFINED, v, maxlen);
    672 		CC (entry->components, 32, v, maxlen);
    673 		strncpy (v, (char *)entry->data, MIN (maxlen, entry->size));
    674 		break;
    675 	case MNOTE_OLYMPUS_TAG_UNKNOWN_4:
    676 		CF (entry->format, EXIF_FORMAT_LONG, v, maxlen);
    677 		CC (entry->components, 30, v, maxlen);
    678 		for (i=0; i < (int)entry->components; ++i) {
    679 			vl = exif_get_long (entry->data+4*i, entry->order);
    680 			sprintf (buf, "%lu ", (unsigned long)vl);
    681 			strncat (v, buf, maxlen - strlen (v));
    682 		}
    683 		break;
    684 	case MNOTE_OLYMPUS_TAG_FOCUSDIST:
    685 		CF (entry->format, EXIF_FORMAT_RATIONAL, v, maxlen);
    686 		CC (entry->components, 1, v, maxlen);
    687 		vr = exif_get_rational (entry->data, entry->order);
    688 		if (!vr.numerator || !vr.denominator) {
    689 			strncpy (v, _("Unknown"), maxlen);
    690 		}
    691 		else {
    692 			unsigned long tmp = vr.numerator / vr.denominator;
    693 			snprintf (v, maxlen, "%li mm", tmp);
    694 		}
    695 		break;
    696 	case MNOTE_OLYMPUS_TAG_WBALANCE:
    697 		CF (entry->format, EXIF_FORMAT_SHORT, v, maxlen);
    698 		CC (entry->components, 2, v, maxlen);
    699 		vs = exif_get_short (entry->data, entry->order);
    700 		switch (vs) {
    701 		case 1:
    702 			strncpy (v, _("Automatic"), maxlen);
    703 			break;
    704 		case 2:
    705 			{
    706 				ExifShort v2 = exif_get_short (entry->data + 2, entry->order);
    707 				unsigned long colorTemp = 0;
    708 				switch (v2) {
    709 				case 2:
    710 					colorTemp = 3000;
    711 					break;
    712 				case 3:
    713 					colorTemp = 3700;
    714 					break;
    715 				case 4:
    716 					colorTemp = 4000;
    717 					break;
    718 				case 5:
    719 					colorTemp = 4500;
    720 					break;
    721 				case 6:
    722 					colorTemp = 5500;
    723 					break;
    724 				case 7:
    725 					colorTemp = 6500;
    726 					break;
    727 				case 9:
    728 					colorTemp = 7500;
    729 					break;
    730 				}
    731 				if (colorTemp) {
    732 					snprintf (v, maxlen, _("Manual: %liK"), colorTemp);
    733 				}
    734 				else {
    735 					strncpy (v, _("Manual: unknown"), maxlen);
    736 				}
    737 
    738 			}
    739 			break;
    740 		case 3:
    741 			strncpy (v, _("One-touch"), maxlen);
    742 			break;
    743 		default:
    744 			strncpy (v, _("Unknown"), maxlen);
    745 			break;
    746 		}
    747 		break;
    748 	case MNOTE_OLYMPUS_TAG_REDBALANCE:
    749 	case MNOTE_OLYMPUS_TAG_BLUEBALANCE:
    750 		CF (entry->format, EXIF_FORMAT_SHORT, v, maxlen);
    751 		CC (entry->components, 2, v, maxlen);
    752 		vs = exif_get_short (entry->data, entry->order);
    753 		snprintf (v, maxlen, "%hu ", vs);
    754 		vs = exif_get_short (entry->data + 2, entry->order);
    755 		sprintf (buf, "%hu", vs);
    756 		strncat (v, buf, maxlen - strlen (v));
    757 		break;
    758 	case MNOTE_OLYMPUS_TAG_BLACKLEVEL:
    759 	case MNOTE_NIKON_TAG_IMAGEBOUNDARY:
    760 		CC (entry->components, 4, v, maxlen);
    761 		/* Fall through to COLORMATRIX */
    762 	case MNOTE_OLYMPUS_TAG_COLORMATRIX:
    763 		CF (entry->format, EXIF_FORMAT_SHORT, v, maxlen);
    764 		if (entry->tag == MNOTE_OLYMPUS_TAG_COLORMATRIX)
    765 			CC (entry->components, 9, v, maxlen);
    766 		for (i=0; i < (int)entry->components; ++i) {
    767 			vs = exif_get_short (entry->data+2*i, entry->order);
    768 			sprintf (buf, "%hu ", vs);
    769 			strncat (v, buf, maxlen - strlen (v));
    770 		}
    771 		break;
    772 	case MNOTE_NIKON1_TAG_FOCUS:
    773 	case MNOTE_NIKON_TAG_DIGITALZOOM:
    774 	case MNOTE_NIKON1_TAG_DIGITALZOOM:
    775 	case MNOTE_OLYMPUS_TAG_FOCALPLANEDIAGONAL:
    776 		CF (entry->format, EXIF_FORMAT_RATIONAL, v, maxlen);
    777 		/* Fall through to default handler for display */
    778 	default:
    779 		switch (entry->format) {
    780 		case EXIF_FORMAT_ASCII:
    781 			strncpy (v, (char *)entry->data, MIN (maxlen, entry->size));
    782 			break;
    783 		case EXIF_FORMAT_SHORT:
    784 			CC (entry->components, 1, v, maxlen);
    785 			vs = exif_get_short (entry->data, entry->order);
    786 			snprintf (v, maxlen, "%hu", vs);
    787 			break;
    788 		case EXIF_FORMAT_LONG:
    789 			CC (entry->components, 1, v, maxlen);
    790 			vl = exif_get_long (entry->data, entry->order);
    791 			snprintf (v, maxlen, "%li", (long int) vl);
    792 			break;
    793 		case EXIF_FORMAT_RATIONAL:
    794 			CC (entry->components, 1, v, maxlen);
    795 			vr = exif_get_rational (entry->data, entry->order);
    796 			if (!vr.denominator) {
    797 				strncpy (v, _("Infinite"), maxlen);
    798 			} else {
    799 				r = R2D(vr);
    800 				snprintf (v, maxlen, "%2.3f", r);
    801 			}
    802 			break;
    803 		case EXIF_FORMAT_SRATIONAL:
    804 			CC (entry->components, 1, v, maxlen);
    805 			vsr = exif_get_srational (entry->data, entry->order);
    806 			if (!vsr.denominator) {
    807 				strncpy (v, _("Infinite"), maxlen);
    808 			} else {
    809 				r = R2D(vsr);
    810 				snprintf (v, maxlen, "%2.3f", r);
    811 			}
    812 			break;
    813 		case EXIF_FORMAT_UNDEFINED:
    814 		default:
    815 			snprintf (v, maxlen, _("%i bytes unknown data: "),
    816 				  entry->size);
    817 			for (i = 0; i < (int)entry->size; i++) {
    818 				sprintf (buf, "%02x", entry->data[i]);
    819 				strncat (v, buf, maxlen - strlen (v));
    820 			}
    821 			break;
    822 		}
    823 		break;
    824 	}
    825 
    826 	return (v);
    827 }
    828