mnote-pentax-entry.c

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/* mnote-pentax-entry.c
 *
 * Copyright (c) 2002 Lutz Mueller <lutz@users.sourceforge.net>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301  USA.
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#include <config.h>
#include "mnote-pentax-entry.h"
 
#include <libexif/i18n.h>
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include <libexif/exif-format.h>
#include <libexif/exif-utils.h>
#include <libexif/exif-entry.h>
 
 
#define CF(format,target,v,maxlen)                              \
{                                                               \
        if (format != target) {                                 \
                snprintf (v, maxlen,                            \
                        _("Invalid format '%s', "               \
                        "expected '%s'."),                      \
                        exif_format_get_name (format),          \
                        exif_format_get_name (target));         \
                break;                                          \
        }                                                       \
}
 
#define CC(number,target,v,maxlen)                                      \
{                                                                       \
        if (number != target) {                                         \
                snprintf (v, maxlen,                                    \
                        _("Invalid number of components (%i, "          \
                        "expected %i)."), (int) number, (int) target);  \
                break;                                                  \
        }                                                               \
}
 
#define CC2(number,t1,t2,v,maxlen)                                      \
{                                                                       \
        if ((number != t1) && (number != t2)) {                         \
                snprintf (v, maxlen,                                    \
                        _("Invalid number of components (%i, "          \
                        "expected %i or %i)."), (int) number,           \
                        (int) t1, (int) t2);                            \
                break;                                                  \
        }                                                               \
}
 
static const struct {
        MnotePentaxTag tag;
        struct {
                int index;
                const char *string;
        } elem[33];
} items[] = {
#ifndef NO_VERBOSE_TAG_DATA
  { MNOTE_PENTAX_TAG_MODE,
    { {0, N_("Auto")},
      {1, N_("Night scene")},
      {2, N_("Manual")},
      {4, N_("Multi-exposure")},
      {0, NULL}}},
  { MNOTE_PENTAX_TAG_QUALITY,
    { {0, N_("Good")},
      {1, N_("Better")},
      {2, N_("Best")},{0,NULL}}},
  { MNOTE_PENTAX_TAG_FOCUS,
    { {2, N_("Custom")},
      {3, N_("Auto")},
      {0, NULL}}},
  { MNOTE_PENTAX_TAG_FLASH,
    { {1, N_("Auto")},
      {2, N_("Flash on")},
      {4, N_("Flash off")},
      {6, N_("Red-eye reduction")},
      {0, NULL}}},
  { MNOTE_PENTAX_TAG_WHITE_BALANCE,
    { {0, N_("Auto")},
      {1, N_("Daylight")},
      {2, N_("Shade")},
      {3, N_("Tungsten")},
      {4, N_("Fluorescent")},
      {5, N_("Manual")},
      {0, NULL}}},
  { MNOTE_PENTAX_TAG_SHARPNESS,
    { {0, N_("Normal")},
      {1, N_("Soft")},
      {2, N_("Hard")},
      {0, NULL}}},
  { MNOTE_PENTAX_TAG_CONTRAST,
    { {0, N_("Normal")},
      {1, N_("Low")},
      {2, N_("High")},
      {0, NULL}}},
  { MNOTE_PENTAX_TAG_SATURATION,
    { {0, N_("Normal")},
      {1, N_("Low")},
      {2, N_("High")},
      {0, NULL}}},
  { MNOTE_PENTAX_TAG_ISO_SPEED,
    { {10,  N_("100")},
      {16,  N_("200")},
      {100, N_("100")},
      {200, N_("200")},
      { 0,  NULL}}},
  { MNOTE_PENTAX_TAG_COLOR,
    { {1, N_("Full")},
      {2, N_("Black & white")},
      {3, N_("Sepia")},
      {0, NULL}}},
  { MNOTE_PENTAX2_TAG_MODE,
    { {0, N_("Auto")},
      {1, N_("Night scene")},
      {2, N_("Manual")},
      {4, N_("Multi-exposure")},
      {0, NULL}}},
  { MNOTE_PENTAX2_TAG_QUALITY,
    { {0, N_("Good")},
      {1, N_("Better")},
      {2, N_("Best")},
      {3, N_("TIFF")},
      {4, N_("RAW")},
      {0, NULL}}},
  { MNOTE_PENTAX2_TAG_IMAGE_SIZE,
    { {0, "640x480"},
      {1, N_("Full")},
      {2, "1024x768"},
      {3, "1280x960"},
      {4, "1600x1200"},
      {5, "2048x1536"},
      {8, N_("2560x1920 or 2304x1728")},
      {9, "3072x2304"},
      {10, "3264x2448"},
      {19, "320x240"},
      {20, "2288x1712"},
      {21, "2592x1944"},
      {22, N_("2304x1728 or 2592x1944")},
      {23, "3056x2296"},
      {25, N_("2816x2212 or 2816x2112")},
      {27, "3648x2736"},
      {36, "3008x2008"},
      {0, NULL}}},
  { MNOTE_PENTAX2_TAG_PICTURE_MODE,
    { {0, N_("Program")},
      {2, N_("Program AE")},
      {3, N_("Manual")},
      {5, N_("Portrait")},
      {6, N_("Landscape")},
      {8, N_("Sport")},
      {9, N_("Night scene")},
      {11, N_("Soft")},
      {12, N_("Surf & snow")},
      {13, N_("Sunset or candlelight")},
      {14, N_("Autumn")},
      {15, N_("Macro")},
      {17, N_("Fireworks")},
      {18, N_("Text")},
      {19, N_("Panorama")},
      {30, N_("Self portrait")},
      {31, N_("Illustrations")},
      {33, N_("Digital filter")},
      {37, N_("Museum")},
      {38, N_("Food")},
      {40, N_("Green mode")},
      {49, N_("Light pet")},
      {50, N_("Dark pet")},
      {51, N_("Medium pet")},
      {53, N_("Underwater")},
      {54, N_("Candlelight")},
      {55, N_("Natural skin tone")},
      {56, N_("Synchro sound record")},
      {58, N_("Frame composite")},
      {0, NULL}}},
  { MNOTE_PENTAX2_TAG_FLASH_MODE,
    { {0x0000, N_("Auto, did not fire")},
      {0x0001, N_("Off")},
      {0x0003, N_("Auto, did not fire, red-eye reduction")},
      {0x0100, N_("Auto, fired")},
      {0x0102, N_("On")},
      {0x0103, N_("Auto, fired, red-eye reduction")},
      {0x0104, N_("On, red-eye reduction")},
      {0x0105, N_("On, wireless")},
      {0x0108, N_("On, soft")},
      {0x0109, N_("On, slow-sync")},
      {0x010a, N_("On, slow-sync, red-eye reduction")},
      {0x010b, N_("On, trailing-curtain sync")},
      {0, NULL}}},
  { MNOTE_PENTAX2_TAG_FOCUS_MODE,
    { {0, N_("Normal")},
      {1, N_("Macro")},
      {2, N_("Infinity")},
      {3, N_("Manual")},
      {5, N_("Pan focus")},
      {16, N_("AF-S")},
      {17, N_("AF-C")},
      {0, NULL}}},
  { MNOTE_PENTAX2_TAG_AFPOINT_SELECTED,
    { {1, N_("Upper-left")},
      {2, N_("Top")},
      {3, N_("Upper-right")},
      {4, N_("Left")},
      {5, N_("Mid-left")},
      {6, N_("Center")},
      {7, N_("Mid-right")},
      {8, N_("Right")},
      {9, N_("Lower-left")},
      {10, N_("Bottom")},
      {11, N_("Lower-right")},
      {0xfffe, N_("Fixed center")},
      {0xffff, N_("Auto")},
      {0, NULL}}},
  { MNOTE_PENTAX2_TAG_AUTO_AFPOINT,
    { {0, N_("Multiple")},
      {1, N_("Top-left")},
      {2, N_("Top-center")},
      {3, N_("Top-right")},
      {4, N_("Left")},
      {5, N_("Center")},
      {6, N_("Right")},
      {7, N_("Bottom-left")},
      {8, N_("Bottom-center")},
      {9, N_("Bottom-right")},
      {0xffff, N_("None")},
      {0, NULL}}},
  { MNOTE_PENTAX2_TAG_WHITE_BALANCE,
    { {0, N_("Auto")},
      {1, N_("Daylight")},
      {2, N_("Shade")},
      {3, N_("Fluorescent")},
      {4, N_("Tungsten")},
      {5, N_("Manual")},
      {6, N_("Daylight fluorescent")},
      {7, N_("Day white fluorescent")},
      {8, N_("White fluorescent")},
      {9, N_("Flash")},
      {10, N_("Cloudy")},
      {0xfffe, N_("Unknown")},
      {0xffff, N_("User selected")},
      {0, NULL}}},
  {MNOTE_CASIO2_TAG_BESTSHOT_MODE, 
    { {0, N_("Off")},
      {1, N_("On")},
      {0, NULL}}},
#endif
  {0, {{0, NULL}}}
};
 
/* Two-component values */
static const struct {
        MnotePentaxTag tag;
        struct {
                int index1, index2;
                const char *string;
        } elem[39];
} items2[] = {
#ifndef NO_VERBOSE_TAG_DATA
  { MNOTE_PENTAX2_TAG_IMAGE_SIZE,
    { {0, 0, "2304x1728"},
      {4, 0, "1600x1200"},
      {5, 0, "2048x1536"},
      {8, 0, "2560x1920"},
      {34, 0, "1536x1024"},
      {36, 0, N_("3008x2008 or 3040x2024")},
      {37, 0, "3008x2000"},
      {35, 1, "2400x1600"},
      {32, 2, "960x480"},
      {33, 2, "1152x768"},
      {34, 2, "1536x1024"},
      {0,  0, NULL}}},
  { MNOTE_PENTAX2_TAG_PICTURE_MODE,
    { {0,   0, N_("Auto")},
      {5,   0, N_("Portrait")},
      {53,  0, N_("Underwater")},
      {255, 0, N_("Digital filter?")},
      {5,   1, N_("Portrait")},
      {9,   1, N_("Night scene")},
      {13,  1, N_("Candlelight")},
      {15,  1, N_("Macro")},
      {53,  1, N_("Underwater")},
      {0,   2, N_("Program AE")},
      {5,   2, N_("Portrait")},
      {6,   2, N_("Landscape")},
      {0,   0, NULL}}},
#endif
  {0, {{0, 0, NULL}}}
};
 
char *
mnote_pentax_entry_get_value (MnotePentaxEntry *entry,
                              char *val, unsigned int maxlen)
{
        ExifLong vl;
        ExifSLong vsl;
        ExifShort vs, vs2;
        ExifSShort vss;
        int i = 0, j = 0;
 
        if (!entry) return (NULL);
        if (maxlen < 1) return (NULL);
 
        memset (val, 0, maxlen);
        maxlen--;
 
        switch (entry->tag) {
          case MNOTE_PENTAX_TAG_MODE:
          case MNOTE_PENTAX_TAG_QUALITY:
          case MNOTE_PENTAX_TAG_FOCUS:
          case MNOTE_PENTAX_TAG_FLASH:
          case MNOTE_PENTAX_TAG_WHITE_BALANCE:
          case MNOTE_PENTAX_TAG_SHARPNESS:
          case MNOTE_PENTAX_TAG_CONTRAST:
          case MNOTE_PENTAX_TAG_SATURATION:
          case MNOTE_PENTAX_TAG_ISO_SPEED:
          case MNOTE_PENTAX_TAG_COLOR:
          case MNOTE_PENTAX2_TAG_MODE:
          case MNOTE_PENTAX2_TAG_QUALITY:
          case MNOTE_PENTAX2_TAG_FLASH_MODE:
          case MNOTE_PENTAX2_TAG_FOCUS_MODE:
          case MNOTE_PENTAX2_TAG_AFPOINT_SELECTED:
          case MNOTE_PENTAX2_TAG_AUTO_AFPOINT:
          case MNOTE_PENTAX2_TAG_WHITE_BALANCE:
          case MNOTE_PENTAX2_TAG_PICTURE_MODE:
          case MNOTE_PENTAX2_TAG_IMAGE_SIZE:
          case MNOTE_CASIO2_TAG_BESTSHOT_MODE:
                CF (entry->format, EXIF_FORMAT_SHORT, val, maxlen)
                CC2 (entry->components, 1, 2, val, maxlen)
                if (entry->components == 1) {
                        vs = exif_get_short (entry->data, entry->order);
 
                        /* search the tag */
                        for (i = 0; (items[i].tag && items[i].tag != entry->tag); i++);
                        if (!items[i].tag) {
                                snprintf (val, maxlen,
                                          _("Internal error (unknown value %hu)"), vs);
                                break;
                        }
 
                        /* find the value */
                        for (j = 0; items[i].elem[j].string &&
                            (items[i].elem[j].index < vs); j++);
                        if (items[i].elem[j].index != vs) {
                                snprintf (val, maxlen,
                                          _("Internal error (unknown value %hu)"), vs);
                                break;
                        }
                        strncpy (val, _(items[i].elem[j].string), maxlen);
                } else {
                        /* Two-component values */
                        CF (entry->format, EXIF_FORMAT_SHORT, val, maxlen)
                        CC2 (entry->components, 1, 2, val, maxlen)
                        vs = exif_get_short (entry->data, entry->order);
                        vs2 = ((unsigned int)exif_get_short (entry->data+2, entry->order)) << 16;
 
                        /* search the tag */
                        for (i = 0; (items2[i].tag && items2[i].tag != entry->tag); i++);
                        if (!items2[i].tag) {
                                snprintf (val, maxlen,
                                          _("Internal error (unknown value %hu %hu)"), vs, vs2);
                                break;
                        }
 
                        /* find the value */
                        for (j = 0; items2[i].elem[j].string && ((items2[i].elem[j].index2 < vs2)
                                || ((items2[i].elem[j].index2 == vs2) && (items2[i].elem[j].index1 < vs))); j++);
                        if ((items2[i].elem[j].index1 != vs) || (items2[i].elem[j].index2 != vs2)) {
                                snprintf (val, maxlen,
                                          _("Internal error (unknown value %hi %hi)"), vs, vs2);
                                break;
                        }
                        strncpy (val, _(items2[i].elem[j].string), maxlen);
                }
                break;
 
        case MNOTE_PENTAX_TAG_ZOOM:
                CF (entry->format, EXIF_FORMAT_LONG, val, maxlen)
                CC (entry->components, 1, val, maxlen)
                vl = exif_get_long (entry->data, entry->order);
                snprintf (val, maxlen, "%lu", (long unsigned) vl);
                break;
        case MNOTE_PENTAX_TAG_PRINTIM:
                CF (entry->format, EXIF_FORMAT_UNDEFINED, val, maxlen)
                CC (entry->components, 124, val, maxlen)
                snprintf (val, maxlen, _("%i bytes unknown data"),
                        entry->size);
                break;
        case MNOTE_PENTAX_TAG_TZ_CITY:
        case MNOTE_PENTAX_TAG_TZ_DST:
                CF (entry->format, EXIF_FORMAT_UNDEFINED, val, maxlen)
                CC (entry->components, 4, val, maxlen)
                strncpy (val, (char*)entry->data, MIN(maxlen, entry->size));
                break;
        case MNOTE_PENTAX2_TAG_DATE:
                CF (entry->format, EXIF_FORMAT_UNDEFINED, val, maxlen)
                CC (entry->components, 4, val, maxlen)
                /* Note: format is UNDEFINED, not SHORT -> order is fixed: MOTOROLA */
                vs = exif_get_short (entry->data, EXIF_BYTE_ORDER_MOTOROLA);
                snprintf (val, maxlen, "%hi:%02i:%02i", vs, entry->data[2], entry->data[3]);
                break;
        case MNOTE_PENTAX2_TAG_TIME:
                CF (entry->format, EXIF_FORMAT_UNDEFINED, val, maxlen)
                CC2 (entry->components, 3, 4, val, maxlen)
                snprintf (val, maxlen, "%02i:%02i:%02i", entry->data[0], entry->data[1], entry->data[2]);
                break;
        default:
                switch (entry->format) {
                case EXIF_FORMAT_ASCII:
                  strncpy (val, (char *)entry->data, MIN(maxlen, entry->size));
                  break;
                case EXIF_FORMAT_SHORT:
                  {
                        const unsigned char *data = entry->data;
                        size_t k, len = strlen(val), sizeleft;
 
                        sizeleft = entry->size;
                        for(k=0; k<entry->components; k++) {
                                if (sizeleft < 2)
                                        break;
                                vs = exif_get_short (data, entry->order);
                                snprintf (val+len, maxlen-len, "%hu ", vs);
                                len = strlen(val);
                                data += 2;
                                sizeleft -= 2;
                        }
                  }
                  break;
                case EXIF_FORMAT_SSHORT:
                  {
                        const unsigned char *data = entry->data;
                        size_t k, len = strlen(val), sizeleft;
 
                        sizeleft = entry->size;
                        for(k=0; k<entry->components; k++) {
                                if (sizeleft < 2)
                                        break;
                                vss = exif_get_sshort (data, entry->order);
                                snprintf (val+len, maxlen-len, "%hi ", vss);
                                len = strlen(val);
                                data += 2;
                                sizeleft -= 2;
                        }
                  }
                  break;
                case EXIF_FORMAT_LONG:
                  {
                        const unsigned char *data = entry->data;
                        size_t k, len = strlen(val), sizeleft;
 
                        sizeleft = entry->size;
                        for(k=0; k<entry->components; k++) {
                                if (sizeleft < 4)
                                        break;
                                vl = exif_get_long (data, entry->order);
                                snprintf (val+len, maxlen-len, "%lu ", (long unsigned) vl);
                                len = strlen(val);
                                data += 4;
                                sizeleft -= 4;
                        }
                  }
                  break;
                case EXIF_FORMAT_SLONG:
                  {
                        const unsigned char *data = entry->data;
                        size_t k, len = strlen(val), sizeleft;
 
                        sizeleft = entry->size;
                        for(k=0; k<entry->components; k++) {
                                if (sizeleft < 4)
                                        break;
                                vsl = exif_get_slong (data, entry->order);
                                snprintf (val+len, maxlen-len, "%li ", (long int) vsl);
                                len = strlen(val);
                                data += 4;
                                sizeleft -= 4;
                        }
                  }
                  break;
                case EXIF_FORMAT_UNDEFINED:
                default:
                  snprintf (val, maxlen, _("%i bytes unknown data"),
                          entry->size);
                  break;
                }
                break;
        }
 
        return val;
}