/*
- * GQView
- * (C) 2006 John Ellis
+ * Geeqie
+ * (C) 2006 John Ellis
+ * Copyright (C) 2008 - 2012 The Geeqie Team
*
*/
# include "config.h"
#endif
+#define _XOPEN_SOURCE
+
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#ifdef HAVE_LCMS
/*** color support enabled ***/
-#ifdef HAVE_LCMS_LCMS_H
- #include <lcms/lcms.h>
+#ifdef HAVE_LCMS2
+#include <lcms2.h>
#else
- #include <lcms.h>
+#include <lcms.h>
#endif
#endif
#include "main.h"
#include "exif.h"
-#include "filelist.h"
+#include "filedata.h"
+#include "filefilter.h"
+#include "filecache.h"
#include "format_raw.h"
#include "ui_fileops.h"
+#include "cache.h"
+#include "jpeg_parser.h"
-/* human readable key list */
-
-ExifFormattedText ExifFormattedList[] = {
- { "fCamera", N_("Camera") },
- { "fDateTime", N_("Date") },
- { "fShutterSpeed", N_("Shutter speed") },
- { "fAperture", N_("Aperture") },
- { "fExposureBias", N_("Exposure bias") },
- { "fISOSpeedRating", N_("ISO sensitivity") },
- { "fFocalLength", N_("Focal length") },
- { "fFocalLength35mmFilm",N_("Focal length 35mm") },
- { "fSubjectDistance", N_("Subject distance") },
- { "fFlash", N_("Flash") },
- { "fResolution", N_("Resolution") },
- { "fColorProfile", N_("Color profile") },
- { NULL, NULL }
-};
-
-double exif_rational_to_double(ExifRational *r, gint sign)
+static gdouble exif_rational_to_double(ExifRational *r, gint sign)
{
if (!r || r->den == 0.0) return 0.0;
- if (sign) return (double)((int)r->num) / (double)((int)r->den);
- return (double)r->num / r->den;
+ if (sign) return (gdouble)((gint)r->num) / (gdouble)((gint)r->den);
+ return (gdouble)r->num / r->den;
}
-double exif_get_rational_as_double(ExifData *exif, const gchar *key)
+static gdouble exif_get_rational_as_double(ExifData *exif, const gchar *key)
{
ExifRational *r;
gint sign;
return s;
}
-static double get_crop_factor(ExifData *exif)
+static gdouble get_crop_factor(ExifData *exif)
{
- double res_unit_tbl[] = {0.0, 25.4, 25.4, 10.0, 1.0, 0.001 };
-
- double xres = exif_get_rational_as_double(exif, "Exif.Photo.FocalPlaneXResolution");
- double yres = exif_get_rational_as_double(exif, "Exif.Photo.FocalPlaneYResolution");
- int res_unit;
- int w, h;
- double xsize, ysize, size, ratio;
+ gdouble res_unit_tbl[] = {0.0, 25.4, 25.4, 10.0, 1.0, 0.001 };
+ gdouble xres = exif_get_rational_as_double(exif, "Exif.Photo.FocalPlaneXResolution");
+ gdouble yres = exif_get_rational_as_double(exif, "Exif.Photo.FocalPlaneYResolution");
+ gint res_unit;
+ gint w, h;
+ gdouble xsize, ysize, size, ratio;
if (xres == 0.0 || yres == 0.0) return 0.0;
}
+static gboolean remove_suffix(gchar *str, const gchar *suffix, gint suffix_len)
+{
+ gint str_len = strlen(str);
+
+ if (suffix_len < 0) suffix_len = strlen(suffix);
+ if (str_len < suffix_len) return FALSE;
+
+ if (strcmp(str + str_len - suffix_len, suffix) != 0) return FALSE;
+ str[str_len - suffix_len] = '\0';
+
+ return TRUE;
+}
-gchar *exif_get_formatted_by_key(ExifData *exif, const gchar *key, gint *key_valid)
+static gchar *exif_build_formatted_Camera(ExifData *exif)
{
- /* must begin with f, else not formatted */
- if (key[0] != 'f')
+ gchar *text;
+ gchar *make = exif_get_data_as_text(exif, "Exif.Image.Make");
+ gchar *model = exif_get_data_as_text(exif, "Exif.Image.Model");
+ gchar *software = exif_get_data_as_text(exif, "Exif.Image.Software");
+ gchar *model2;
+ gchar *software2;
+
+ if (make)
{
- if (key_valid) *key_valid = FALSE;
- return NULL;
+ g_strstrip(make);
+
+ if (remove_suffix(make, " CORPORATION", 12)) { /* Nikon */ }
+ else if (remove_suffix(make, " Corporation", 12)) { /* Pentax */ }
+ else if (remove_suffix(make, " OPTICAL CO.,LTD", 16)) { /* OLYMPUS */ };
}
- if (key_valid) *key_valid = TRUE;
+ if (model)
+ g_strstrip(model);
- if (strcmp(key, "fCamera") == 0)
+ if (software)
{
- gchar *text;
- gchar *make = exif_get_data_as_text(exif, "Exif.Image.Make");
- gchar *model = exif_get_data_as_text(exif, "Exif.Image.Model");
- gchar *software = exif_get_data_as_text(exif, "Exif.Image.Software");
- gchar *model2;
- gchar *software2;
- gint i;
+ gint i, j;
+
+ g_strstrip(software);
- if (make)
+ /* remove superfluous spaces (pentax K100D) */
+ for (i = 0, j = 0; software[i]; i++, j++)
{
- g_strstrip(make);
-#define REMOVE_SUFFIX(str,suff) \
-do { \
- if (g_str_has_suffix(str,suff)) \
- str[strlen(str)-(sizeof(suff)-1)] = 0; \
-} while(0)
- REMOVE_SUFFIX(make," Corporation"); /* Pentax */
- REMOVE_SUFFIX(make," OPTICAL CO.,LTD"); /* OLYMPUS */
- REMOVE_SUFFIX(make," CORPORATION"); /* Nikon */
+ if (software[i] == ' ' && software[i + 1] == ' ')
+ i++;
+ if (i != j) software[j] = software[i];
+ }
+ software[j] = '\0';
}
- if (model)
- g_strstrip(model);
- if (software)
- g_strstrip(software);
- /* remove superfluous spaces (pentax K100D) */
- for (i=0; software && software[i]; i++)
- if (software[i] == ' ' && software[i+1] == ' ')
- {
- gint j;
- for (j=1; software[i+j]; j++)
- if (software[i+j] != ' ')
- break;
- memmove(software+i+1, software+i+j, strlen(software+i+j)+1);
- }
+ model2 = remove_common_prefix(make, model);
+ software2 = remove_common_prefix(model2, software);
- model2 = remove_common_prefix(make, model);
- software2 = remove_common_prefix(model2, software);
+ text = g_strdup_printf("%s%s%s%s%s%s", (make) ? make : "", (make && model2) ? " " : "",
+ (model2) ? model2 : "",
+ (software2 && (make || model2)) ? " (" : "",
+ (software2) ? software2 : "",
+ (software2 && (make || model2)) ? ")" : "");
- text = g_strdup_printf("%s%s%s%s%s%s", (make) ? make : "", (make && model2) ? " " : "",
- (model2) ? model2 : "",
- (software2 && (make || model2)) ? " (" : "",
- (software2) ? software2 : "",
- (software2 && (make || model2)) ? ")" : "");
+ g_free(make);
+ g_free(model);
+ g_free(software);
+ return text;
+}
- g_free(make);
- g_free(model);
- g_free(software);
- return text;
- }
- if (strcmp(key, "fDateTime") == 0)
+static gchar *exif_build_formatted_DateTime(ExifData *exif)
+{
+ gchar *text = exif_get_data_as_text(exif, "Exif.Photo.DateTimeOriginal");
+ gchar *subsec = NULL;
+ gchar buf[128];
+ gchar *tmp;
+ gint buflen;
+ struct tm tm;
+ GError *error = NULL;
+
+ if (text)
{
- gchar *text = exif_get_data_as_text(exif, "Exif.Photo.DateTimeOriginal");
- gchar *subsec = NULL;
- if (text) subsec = exif_get_data_as_text(exif, "Exif.Photo.SubSecTimeOriginal");
- if (!text)
- {
- text = exif_get_data_as_text(exif, "Exif.Image.DateTime");
- if (text) subsec = exif_get_data_as_text(exif, "Exif.Photo.SubSecTime");
- }
- if (subsec)
- {
- gchar *tmp = text;
- text = g_strconcat(tmp, ".", subsec, NULL);
- g_free(tmp);
- g_free(subsec);
- }
- return text;
+ subsec = exif_get_data_as_text(exif, "Exif.Photo.SubSecTimeOriginal");
}
- if (strcmp(key, "fShutterSpeed") == 0)
+ else
{
- ExifRational *r;
+ text = exif_get_data_as_text(exif, "Exif.Image.DateTime");
+ if (text) subsec = exif_get_data_as_text(exif, "Exif.Photo.SubSecTime");
+ }
- r = exif_get_rational(exif, "Exif.Photo.ExposureTime", NULL);
- if (r && r->num && r->den)
- {
- double n = (double)r->den / (double)r->num;
- return g_strdup_printf("%s%.0fs", n > 1.0 ? "1/" : "",
- n > 1.0 ? n : 1.0 / n);
- }
- r = exif_get_rational(exif, "Exif.Photo.ShutterSpeedValue", NULL);
- if (r && r->num && r->den)
+ /* Convert the stuff into a tm struct */
+ memset(&tm, 0, sizeof(tm)); /* Uh, strptime could let garbage in tm! */
+ if (text && strptime(text, "%Y:%m:%d %H:%M:%S", &tm))
+ {
+ buflen = strftime(buf, sizeof(buf), "%x %X", &tm);
+ if (buflen > 0)
{
- double n = pow(2.0, exif_rational_to_double(r, TRUE));
-
- /* Correct exposure time to avoid values like 1/91s (seen on Minolta DImage 7) */
- if (n > 1.0 && (int)n - ((int)(n/10))*10 == 1) n--;
-
- return g_strdup_printf("%s%.0fs", n > 1.0 ? "1/" : "",
- n > 1.0 ? floor(n) : 1.0 / n);
+ tmp = g_locale_to_utf8(buf, buflen, NULL, NULL, &error);
+ if (error)
+ {
+ log_printf("Error converting locale strftime to UTF-8: %s\n", error->message);
+ g_error_free(error);
+ }
+ else
+ {
+ g_free(text);
+ text = g_strdup(tmp);
+ }
}
- return NULL;
}
- if (strcmp(key, "fAperture") == 0)
+
+ if (subsec)
{
- double n;
+ tmp = text;
+ text = g_strconcat(tmp, ".", subsec, NULL);
+ g_free(tmp);
+ g_free(subsec);
+ }
+ return text;
+}
- n = exif_get_rational_as_double(exif, "Exif.Photo.FNumber");
- if (n == 0.0) n = exif_get_rational_as_double(exif, "Exif.Photo.ApertureValue");
- if (n == 0.0) return NULL;
+static gchar *exif_build_formatted_ShutterSpeed(ExifData *exif)
+{
+ ExifRational *r;
- return g_strdup_printf("f/%.1f", n);
+ r = exif_get_rational(exif, "Exif.Photo.ExposureTime", NULL);
+ if (r && r->num && r->den)
+ {
+ gdouble n = (gdouble)r->den / (gdouble)r->num;
+ return g_strdup_printf("%s%.0fs", n > 1.0 ? "1/" : "",
+ n > 1.0 ? n : 1.0 / n);
}
- if (strcmp(key, "fExposureBias") == 0)
+ r = exif_get_rational(exif, "Exif.Photo.ShutterSpeedValue", NULL);
+ if (r && r->num && r->den)
{
- ExifRational *r;
- gint sign;
- double n;
+ gdouble n = pow(2.0, exif_rational_to_double(r, TRUE));
- r = exif_get_rational(exif, "Exif.Photo.ExposureBiasValue", &sign);
- if (!r) return NULL;
+ /* Correct exposure time to avoid values like 1/91s (seen on Minolta DImage 7) */
+ if (n > 1.0 && (gint)n - ((gint)(n/10))*10 == 1) n--;
- n = exif_rational_to_double(r, sign);
- return g_strdup_printf("%+.1f", n);
+ return g_strdup_printf("%s%.0fs", n > 1.0 ? "1/" : "",
+ n > 1.0 ? floor(n) : 1.0 / n);
}
- if (strcmp(key, "fFocalLength") == 0)
- {
- double n;
+ return NULL;
+}
- n = exif_get_rational_as_double(exif, "Exif.Photo.FocalLength");
- if (n == 0.0) return NULL;
- return g_strdup_printf("%.0f mm", n);
- }
- if (strcmp(key, "fFocalLength35mmFilm") == 0)
- {
- gint n;
- double f, c;
+static gchar *exif_build_formatted_Aperture(ExifData *exif)
+{
+ gdouble n;
- if (exif_get_integer(exif, "Exif.Photo.FocalLengthIn35mmFilm", &n) && n != 0)
- {
- return g_strdup_printf("%d mm", n);
- }
+ n = exif_get_rational_as_double(exif, "Exif.Photo.FNumber");
+ if (n == 0.0) n = exif_get_rational_as_double(exif, "Exif.Photo.ApertureValue");
+ if (n == 0.0) return NULL;
- f = exif_get_rational_as_double(exif, "Exif.Photo.FocalLength");
- c = get_crop_factor(exif);
+ return g_strdup_printf("f/%.1f", n);
+}
- if (f != 0.0 && c != 0.0)
- {
- return g_strdup_printf("%.0f mm", f * c);
- }
+static gchar *exif_build_formatted_ExposureBias(ExifData *exif)
+{
+ ExifRational *r;
+ gint sign;
+ gdouble n;
- return NULL;
- }
- if (strcmp(key, "fISOSpeedRating") == 0)
- {
- gchar *text;
+ r = exif_get_rational(exif, "Exif.Photo.ExposureBiasValue", &sign);
+ if (!r) return NULL;
- text = exif_get_data_as_text(exif, "Exif.Photo.ISOSpeedRatings");
- /* kodak may set this instead */
- if (!text) text = exif_get_data_as_text(exif, "Exif.Photo.ExposureIndex");
- return text;
- }
- if (strcmp(key, "fSubjectDistance") == 0)
- {
- ExifRational *r;
- gint sign;
- double n;
+ n = exif_rational_to_double(r, sign);
+ return g_strdup_printf("%+.1f", n);
+}
- r = exif_get_rational(exif, "Exif.Photo.SubjectDistance", &sign);
- if (!r) return NULL;
+static gchar *exif_build_formatted_FocalLength(ExifData *exif)
+{
+ gdouble n;
- if ((long)r->num == 0xffffffff) return g_strdup(_("infinity"));
- if ((long)r->num == 0) return g_strdup(_("unknown"));
+ n = exif_get_rational_as_double(exif, "Exif.Photo.FocalLength");
+ if (n == 0.0) return NULL;
+ return g_strdup_printf("%.0f mm", n);
+}
- n = exif_rational_to_double(r, sign);
- if (n == 0.0) return _("unknown");
- return g_strdup_printf("%.3f m", n);
- }
- if (strcmp(key, "fFlash") == 0)
+static gchar *exif_build_formatted_FocalLength35mmFilm(ExifData *exif)
+{
+ gint n;
+ gdouble f, c;
+
+ if (exif_get_integer(exif, "Exif.Photo.FocalLengthIn35mmFilm", &n) && n != 0)
{
- /* grr, flash is a bitmask... */
- GString *string;
- gchar *text;
- gint n;
- gint v;
+ return g_strdup_printf("%d mm", n);
+ }
- if (!exif_get_integer(exif, "Exif.Photo.Flash", &n)) return NULL;
+ f = exif_get_rational_as_double(exif, "Exif.Photo.FocalLength");
+ if (f == 0.0) return NULL;
- /* Exif 2.1 only defines first 3 bits */
- if (n <= 0x07) return exif_get_data_as_text(exif, "Exif.Photo.Flash");
+ c = get_crop_factor(exif);
+ if (c == 0.0) return NULL;
- /* must be Exif 2.2 */
- string = g_string_new("");
+ return g_strdup_printf("%.0f mm", f * c);
+}
- /* flash fired (bit 0) */
- string = g_string_append(string, (n & 0x01) ? _("yes") : _("no"));
+static gchar *exif_build_formatted_ISOSpeedRating(ExifData *exif)
+{
+ gchar *text;
- /* flash mode (bits 3, 4) */
- v = (n >> 3) & 0x03;
- if (v) string = append_comma_text(string, _("mode:"));
- switch (v)
- {
- case 1:
- string = g_string_append(string, _("on"));
- break;
- case 2:
- string = g_string_append(string, _("off"));
- break;
- case 3:
- string = g_string_append(string, _("auto"));
- break;
- }
+ text = exif_get_data_as_text(exif, "Exif.Photo.ISOSpeedRatings");
+ /* kodak may set this instead */
+ if (!text) text = exif_get_data_as_text(exif, "Exif.Photo.ExposureIndex");
+ return text;
+}
- /* return light (bits 1, 2) */
- v = (n >> 1) & 0x03;
- if (v == 2) string = append_comma_text(string, _("not detected by strobe"));
- if (v == 3) string = append_comma_text(string, _("detected by strobe"));
+static gchar *exif_build_formatted_SubjectDistance(ExifData *exif)
+{
+ ExifRational *r;
+ gint sign;
+ gdouble n;
- /* we ignore flash function (bit 5) */
+ r = exif_get_rational(exif, "Exif.Photo.SubjectDistance", &sign);
+ if (!r) return NULL;
- /* red-eye (bit 6) */
- if ((n >> 5) & 0x01) string = append_comma_text(string, _("red-eye reduction"));
+ if ((glong)r->num == (glong)0xffffffff) return g_strdup(_("infinity"));
+ if ((glong)r->num == 0) return g_strdup(_("unknown"));
- text = string->str;
- g_string_free(string, FALSE);
- return text;
- }
- if (strcmp(key, "fResolution") == 0)
- {
- ExifRational *rx, *ry;
- gchar *units;
- gchar *text;
+ n = exif_rational_to_double(r, sign);
+ if (n == 0.0) return _("unknown");
+ return g_strdup_printf("%.3f m", n);
+}
- rx = exif_get_rational(exif, "Exif.Image.XResolution", NULL);
- ry = exif_get_rational(exif, "Exif.Image.YResolution", NULL);
- if (!rx || !ry) return NULL;
+static gchar *exif_build_formatted_Flash(ExifData *exif)
+{
+ /* grr, flash is a bitmask... */
+ GString *string;
+ gchar *text;
+ gint n;
+ gint v;
- units = exif_get_data_as_text(exif, "Exif.Image.ResolutionUnit");
- text = g_strdup_printf("%0.f x %0.f (%s/%s)", rx->den ? (double)rx->num / rx->den : 1.0,
- ry->den ? (double)ry->num / ry->den : 1.0,
- _("dot"), (units) ? units : _("unknown"));
+ if (!exif_get_integer(exif, "Exif.Photo.Flash", &n)) return NULL;
- g_free(units);
- return text;
- }
- if (strcmp(key, "fColorProfile") == 0)
+ /* Exif 2.1 only defines first 3 bits */
+ if (n <= 0x07) return exif_get_data_as_text(exif, "Exif.Photo.Flash");
+
+ /* must be Exif 2.2 */
+ string = g_string_new("");
+
+ /* flash fired (bit 0) */
+ string = g_string_append(string, (n & 0x01) ? _("yes") : _("no"));
+
+ /* flash mode (bits 3, 4) */
+ v = (n >> 3) & 0x03;
+ if (v) string = append_comma_text(string, _("mode:"));
+ switch (v)
{
- const gchar *name = "";
- const gchar *source = "";
- unsigned char *profile_data;
- guint profile_len;
- profile_data = exif_get_color_profile(exif, &profile_len);
- if (!profile_data)
- {
- gint cs;
- gchar *interop_index;
+ case 1:
+ string = g_string_append(string, _("on"));
+ break;
+ case 2:
+ string = g_string_append(string, _("off"));
+ break;
+ case 3:
+ string = g_string_append(string, _("auto"));
+ break;
+ }
- /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
- if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
- interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
+ /* return light (bits 1, 2) */
+ v = (n >> 1) & 0x03;
+ if (v == 2) string = append_comma_text(string, _("not detected by strobe"));
+ if (v == 3) string = append_comma_text(string, _("detected by strobe"));
- if (cs == 1)
- {
- name = _("sRGB");
- source = "ColorSpace";
- }
- else if (cs == 2 || (interop_index && !strcmp(interop_index, "R03")))
- {
- name = _("AdobeRGB");
- source = (cs == 2) ? "ColorSpace" : "Iop";
- }
+ /* we ignore flash function (bit 5) */
+
+ /* red-eye (bit 6) */
+ if ((n >> 5) & 0x01) string = append_comma_text(string, _("red-eye reduction"));
+
+ text = string->str;
+ g_string_free(string, FALSE);
+ return text;
+}
+
+static gchar *exif_build_formatted_Resolution(ExifData *exif)
+{
+ ExifRational *rx, *ry;
+ gchar *units;
+ gchar *text;
+
+ rx = exif_get_rational(exif, "Exif.Image.XResolution", NULL);
+ ry = exif_get_rational(exif, "Exif.Image.YResolution", NULL);
+ if (!rx || !ry) return NULL;
+
+ units = exif_get_data_as_text(exif, "Exif.Image.ResolutionUnit");
+ text = g_strdup_printf("%0.f x %0.f (%s/%s)", rx->den ? (gdouble)rx->num / rx->den : 1.0,
+ ry->den ? (gdouble)ry->num / ry->den : 1.0,
+ _("dot"), (units) ? units : _("unknown"));
+
+ g_free(units);
+ return text;
+}
+
+static gchar *exif_build_formatted_ColorProfile(ExifData *exif)
+{
+#ifdef HAVE_LCMS2
+ cmsUInt8Number profileID[17];
+#endif
+ const gchar *name = "";
+ const gchar *source = "";
+ guchar *profile_data;
+ guint profile_len;
+
+ profile_data = exif_get_color_profile(exif, &profile_len);
+ if (!profile_data)
+ {
+ gint cs;
+ gchar *interop_index;
+
+ /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
+ if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
+ interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
- g_free(interop_index);
+ if (cs == 1)
+ {
+ name = _("sRGB");
+ source = "ColorSpace";
}
- else
+ else if (cs == 2 || (interop_index && !strcmp(interop_index, "R03")))
{
- source = _("embedded");
+ name = _("AdobeRGB");
+ source = (cs == 2) ? "ColorSpace" : "Iop";
+ }
+
+ g_free(interop_index);
+ }
+ else
+ {
+ source = _("embedded");
#ifdef HAVE_LCMS
+ {
+ cmsHPROFILE profile;
+
+ profile = cmsOpenProfileFromMem(profile_data, profile_len);
+ if (profile)
{
- cmsHPROFILE profile;
-
- profile = cmsOpenProfileFromMem(profile_data, profile_len);
- if (profile)
- {
- name = cmsTakeProductName(profile);
- cmsCloseProfile(profile);
- }
- g_free(profile_data);
+#ifdef HAVE_LCMS2
+ profileID[16] = '\0';
+ cmsGetHeaderProfileID(profile, profileID);
+ name = (gchar *) profileID;
+#else
+ name = (gchar *) cmsTakeProductName(profile);
+#endif
+ cmsCloseProfile(profile);
}
+ g_free(profile_data);
+ }
#endif
+ }
+ if (name[0] == 0 && source[0] == 0) return NULL;
+ return g_strdup_printf("%s (%s)", name, source);
+}
+
+static gchar *exif_build_formatted_GPSPosition(ExifData *exif)
+{
+ GString *string;
+ gchar *text, *ref;
+ ExifRational *value;
+ ExifItem *item;
+ guint i;
+ gdouble p, p3;
+ gulong p1, p2;
+
+ string = g_string_new("");
+
+ item = exif_get_item(exif, "Exif.GPSInfo.GPSLatitude");
+ ref = exif_get_data_as_text(exif, "Exif.GPSInfo.GPSLatitudeRef");
+ if (item && ref)
+ {
+ p = 0;
+ for (i = 0; i < exif_item_get_elements(item); i++)
+ {
+ value = exif_item_get_rational(item, NULL, i);
+ if (value && value->num && value->den)
+ p += (gdouble)value->num / (gdouble)value->den / pow(60.0, (gdouble)i);
}
- if (name[0] == 0 && source[0] == 0) return NULL;
- return g_strdup_printf("%s (%s)", name, source);
+ p1 = (gint)p;
+ p2 = (gint)((p - p1)*60);
+ p3 = ((p - p1)*60 - p2)*60;
+
+ g_string_append_printf(string, "%0lu° %0lu' %0.2f\" %.1s", p1, p2, p3, ref);
+ } // if (item && ref)
+
+ item = exif_get_item(exif, "Exif.GPSInfo.GPSLongitude");
+ ref = exif_get_data_as_text(exif, "Exif.GPSInfo.GPSLongitudeRef");
+ if (item && ref)
+ {
+ p = 0;
+ for (i = 0; i < exif_item_get_elements(item); i++)
+ {
+ value = exif_item_get_rational(item, NULL, i);
+ if (value && value->num && value->den)
+ p += (gdouble)value->num / (gdouble)value->den / pow(60.0, (gdouble)i);
+ }
+ p1 = (gint)p;
+ p2 = (gint)((p - p1)*60);
+ p3 = ((p - p1)*60 - p2)*60;
+
+ g_string_append_printf(string, ", %0lu° %0lu' %0.2f\" %.1s", p1, p2, p3, ref);
+ } // if (item && ref)
+
+ text = string->str;
+ g_string_free(string, FALSE);
+
+ return text;
+} // static gchar *exif_build_forma...
+
+static gchar *exif_build_formatted_GPSAltitude(ExifData *exif)
+{
+ ExifRational *r;
+ ExifItem *item;
+ gdouble alt;
+ gint ref;
+
+ item = exif_get_item(exif, "Exif.GPSInfo.GPSAltitudeRef");
+ r = exif_get_rational(exif, "Exif.GPSInfo.GPSAltitude", NULL);
+
+ if (!r || !item) return NULL;
+
+ alt = exif_rational_to_double(r, 0);
+ exif_item_get_integer(item, &ref);
+
+ return g_strdup_printf("%0.f m %s", alt, (ref==0)?_("Above Sea Level"):_("Below Sea Level"));
+}
+
+
+/* List of custom formatted pseudo-exif tags */
+#define EXIF_FORMATTED_TAG(name, label) { EXIF_FORMATTED()#name, label, exif_build_formatted##_##name }
+
+ExifFormattedText ExifFormattedList[] = {
+ EXIF_FORMATTED_TAG(Camera, N_("Camera")),
+ EXIF_FORMATTED_TAG(DateTime, N_("Date")),
+ EXIF_FORMATTED_TAG(ShutterSpeed, N_("Shutter speed")),
+ EXIF_FORMATTED_TAG(Aperture, N_("Aperture")),
+ EXIF_FORMATTED_TAG(ExposureBias, N_("Exposure bias")),
+ EXIF_FORMATTED_TAG(ISOSpeedRating, N_("ISO sensitivity")),
+ EXIF_FORMATTED_TAG(FocalLength, N_("Focal length")),
+ EXIF_FORMATTED_TAG(FocalLength35mmFilm, N_("Focal length 35mm")),
+ EXIF_FORMATTED_TAG(SubjectDistance, N_("Subject distance")),
+ EXIF_FORMATTED_TAG(Flash, N_("Flash")),
+ EXIF_FORMATTED_TAG(Resolution, N_("Resolution")),
+ EXIF_FORMATTED_TAG(ColorProfile, N_("Color profile")),
+ EXIF_FORMATTED_TAG(GPSPosition, N_("GPS position")),
+ EXIF_FORMATTED_TAG(GPSAltitude, N_("GPS altitude")),
+ {"file.size", N_("File size"), NULL},
+ {"file.date", N_("File date"), NULL},
+ {"file.mode", N_("File mode"), NULL},
+ { NULL, NULL, NULL }
+};
+
+gchar *exif_get_formatted_by_key(ExifData *exif, const gchar *key, gboolean *key_valid)
+{
+ if (strncmp(key, EXIF_FORMATTED(), EXIF_FORMATTED_LEN) == 0)
+ {
+ gint i;
+
+ if (key_valid) *key_valid = TRUE;
+
+ key += EXIF_FORMATTED_LEN;
+ for (i = 0; ExifFormattedList[i].key; i++)
+ if (ExifFormattedList[i].build_func && strcmp(key, ExifFormattedList[i].key + EXIF_FORMATTED_LEN) == 0)
+ return ExifFormattedList[i].build_func(exif);
}
if (key_valid) *key_valid = FALSE;
return NULL;
}
-const gchar *exif_get_description_by_key(const gchar *key)
+gchar *exif_get_description_by_key(const gchar *key)
{
- gint i;
-
if (!key) return NULL;
- i = 0;
- while (ExifFormattedList[i].key != NULL)
+ if (strncmp(key, EXIF_FORMATTED(), EXIF_FORMATTED_LEN) == 0 ||
+ strncmp(key, "file.", 5) == 0)
{
- if (strcmp(key, ExifFormattedList[i].key) == 0) return _(ExifFormattedList[i].description);
- i++;
+ gint i;
+
+ for (i = 0; ExifFormattedList[i].key; i++)
+ if (strcmp(key, ExifFormattedList[i].key) == 0)
+ return g_strdup(_(ExifFormattedList[i].description));
}
return exif_get_tag_description_by_key(key);
ExifItem *item;
item = exif_get_item(exif, key);
- return exif_item_get_rational(item, sign);
+ return exif_item_get_rational(item, sign, 0);
}
gchar *exif_get_data_as_text(ExifData *exif, const gchar *key)
{
ExifItem *item;
gchar *text;
- gint key_valid;
+ gboolean key_valid;
if (!key) return NULL;
return NULL;
}
-ExifData *exif_read_fd(FileData *fd)
-{
- GList *work;
- gchar *sidecar_path = NULL;
-
- if (!fd) return NULL;
-
- work = fd->parent ? fd->parent->sidecar_files : fd->sidecar_files;
- if (filter_file_class(fd->extension, FORMAT_CLASS_RAWIMAGE))
- {
- while(work)
- {
- FileData *sfd = work->data;
- work = work->next;
- if (strcasecmp(sfd->extension, ".xmp") == 0)
- {
- sidecar_path = sfd->path;
- break;
- }
- }
- }
+static FileCacheData *exif_cache;
+void exif_release_cb(FileData *fd)
+{
+ exif_free(fd->exif);
+ fd->exif = NULL;
+}
- // FIXME: some caching would be nice
- return exif_read(fd->path, sidecar_path);
+void exif_init_cache(void)
+{
+ g_assert(!exif_cache);
+ exif_cache = file_cache_new(exif_release_cb, 4);
}
+ExifData *exif_read_fd(FileData *fd)
+{
+ gchar *sidecar_path;
+ if (!exif_cache) exif_init_cache();
-/* embedded icc in jpeg */
+ if (!fd) return NULL;
+ if (file_cache_get(exif_cache, fd)) return fd->exif;
+ g_assert(fd->exif == NULL);
-#define JPEG_MARKER 0xFF
-#define JPEG_MARKER_SOI 0xD8
-#define JPEG_MARKER_EOI 0xD9
-#define JPEG_MARKER_APP1 0xE1
-#define JPEG_MARKER_APP2 0xE2
-
-/* jpeg container format:
- all data markers start with 0XFF
- 2 byte long file start and end markers: 0xFFD8(SOI) and 0XFFD9(EOI)
- 4 byte long data segment markers in format: 0xFFTTSSSSNNN...
- FF: 1 byte standard marker identifier
- TT: 1 byte data type
- SSSS: 2 bytes in Motorola byte alignment for length of the data.
- This value includes these 2 bytes in the count, making actual
- length of NN... == SSSS - 2.
- NNN.: the data in this segment
- */
+ /* CACHE_TYPE_XMP_METADATA file should exist only if the metadata are
+ * not writable directly, thus it should contain the most up-to-date version */
+ sidecar_path = NULL;
-gint exif_jpeg_segment_find(unsigned char *data, guint size,
- guchar app_marker, const gchar *magic, guint magic_len,
- guint *seg_offset, guint *seg_length)
-{
- guchar marker = 0;
- guint offset = 0;
- guint length = 0;
+#ifdef HAVE_EXIV2
+ /* we are not able to handle XMP sidecars without exiv2 */
+ sidecar_path = cache_find_location(CACHE_TYPE_XMP_METADATA, fd->path);
- while (marker != app_marker &&
- marker != JPEG_MARKER_EOI)
- {
- offset += length;
- length = 2;
+ if (!sidecar_path) sidecar_path = file_data_get_sidecar_path(fd, TRUE);
+#endif
- if (offset + 2 >= size ||
- data[offset] != JPEG_MARKER) return FALSE;
+ fd->exif = exif_read(fd->path, sidecar_path, fd->modified_xmp);
- marker = data[offset + 1];
- if (marker != JPEG_MARKER_SOI &&
- marker != JPEG_MARKER_EOI)
- {
- if (offset + 4 >= size) return FALSE;
- length += ((guint)data[offset + 2] << 8) + data[offset + 3];
- }
- }
+ g_free(sidecar_path);
+ file_cache_put(exif_cache, fd, 1);
+ return fd->exif;
+}
- if (marker == app_marker &&
- offset + length < size &&
- length >= 4 + magic_len &&
- memcmp(data + offset + 4, magic, magic_len) == 0)
- {
- *seg_offset = offset + 4;
- *seg_length = length - 4;
- return TRUE;
- }
- return FALSE;
+void exif_free_fd(FileData *fd, ExifData *exif)
+{
+ if (!fd) return;
+ g_assert(fd->exif == exif);
}
-gint exif_jpeg_parse_color(ExifData *exif, unsigned char *data, guint size)
+/* embedded icc in jpeg */
+
+gboolean exif_jpeg_parse_color(ExifData *exif, guchar *data, guint size)
{
guint seg_offset = 0;
guint seg_length = 0;
TT = total number of ICC segments (TT in each ICC segment should match)
*/
- while (exif_jpeg_segment_find(data + seg_offset + seg_length,
+ while (jpeg_segment_find(data + seg_offset + seg_length,
size - seg_offset - seg_length,
JPEG_MARKER_APP2,
"ICC_PROFILE\x00", 12,
if (chunk_count > 0)
{
- unsigned char *cp_data;
+ guchar *cp_data;
guint cp_length = 0;
guint i;
}
memcpy(cp_data, data + chunk_offset[i], chunk_length[i]);
}
- if (debug) printf("Found embedded icc profile in jpeg\n");
+ DEBUG_1("Found embedded icc profile in jpeg");
exif_add_jpeg_color_profile(exif, cp_data, cp_length);
return TRUE;
return FALSE;
}
+
+/*
+ *-------------------------------------------------------------------
+ * file info
+ * it is here because it shares tag neming infrastructure with exif
+ * we should probably not invest too much effort into this because
+ * new exiv2 will support the same functionality
+ * http://dev.exiv2.org/issues/show/505
+ *-------------------------------------------------------------------
+ */
+
+static gchar *mode_number(mode_t m)
+{
+ gint mb, mu, mg, mo;
+ gchar pbuf[12];
+
+ mb = mu = mg = mo = 0;
+
+ if (m & S_ISUID) mb |= 4;
+ if (m & S_ISGID) mb |= 2;
+ if (m & S_ISVTX) mb |= 1;
+
+ if (m & S_IRUSR) mu |= 4;
+ if (m & S_IWUSR) mu |= 2;
+ if (m & S_IXUSR) mu |= 1;
+
+ if (m & S_IRGRP) mg |= 4;
+ if (m & S_IWGRP) mg |= 2;
+ if (m & S_IXGRP) mg |= 1;
+
+ if (m & S_IROTH) mo |= 4;
+ if (m & S_IWOTH) mo |= 2;
+ if (m & S_IXOTH) mo |= 1;
+
+ pbuf[0] = (m & S_IRUSR) ? 'r' : '-';
+ pbuf[1] = (m & S_IWUSR) ? 'w' : '-';
+ pbuf[2] = (m & S_IXUSR) ? 'x' : '-';
+ pbuf[3] = (m & S_IRGRP) ? 'r' : '-';
+ pbuf[4] = (m & S_IWGRP) ? 'w' : '-';
+ pbuf[5] = (m & S_IXGRP) ? 'x' : '-';
+ pbuf[6] = (m & S_IROTH) ? 'r' : '-';
+ pbuf[7] = (m & S_IWOTH) ? 'w' : '-';
+ pbuf[8] = (m & S_IXOTH) ? 'x' : '-';
+ pbuf[9] = '\0';
+
+ return g_strdup_printf("%s (%d%d%d%d)", pbuf, mb, mu, mg, mo);
+}
+
+gchar *metadata_file_info(FileData *fd, const gchar *key, MetadataFormat format)
+{
+ if (strcmp(key, "file.size") == 0)
+ {
+ return g_strdup_printf("%ld", (long)fd->size);
+ }
+ if (strcmp(key, "file.date") == 0)
+ {
+ return g_strdup(text_from_time(fd->date));
+ }
+ if (strcmp(key, "file.mode") == 0)
+ {
+ return mode_number(fd->mode);
+ }
+ return g_strdup("");
+}
+
+
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff