return TRUE;
}
-gchar *exif_get_formatted_by_key(ExifData *exif, const gchar *key, gint *key_valid)
+static gchar *exif_build_fCamera(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;
-
- if (make)
- {
- g_strstrip(make);
+ gint i;
- 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 */ };
- }
+ g_strstrip(software);
+
+ /* remove superfluous spaces (pentax K100D) */
+ for (i = 0; software[i]; i++)
+ if (software[i] == ' ' && software[i + 1] == ' ')
+ {
+ gint j;
+
+ for (j = 1; software[i + j] == ' '; j++);
+ memmove(software + i + 1, software + i + j, strlen(software + i + j) + 1);
+ }
+ }
- if (model)
- g_strstrip(model);
+ model2 = remove_common_prefix(make, model);
+ software2 = remove_common_prefix(model2, software);
- if (software)
- {
- gint i;
-
- g_strstrip(software);
-
- /* remove superfluous spaces (pentax K100D) */
- for (i = 0; software[i]; i++)
- if (software[i] == ' ' && software[i + 1] == ' ')
- {
- gint j;
-
- for (j = 1; software[i + j] == ' '; j++);
- memmove(software + i + 1, software + i + j, strlen(software + i + j) + 1);
- }
- }
+ text = g_strdup_printf("%s%s%s%s%s%s", (make) ? make : "", (make && model2) ? " " : "",
+ (model2) ? model2 : "",
+ (software2 && (make || model2)) ? " (" : "",
+ (software2) ? software2 : "",
+ (software2 && (make || model2)) ? ")" : "");
- model2 = remove_common_prefix(make, model);
- software2 = remove_common_prefix(model2, software);
+ g_free(make);
+ g_free(model);
+ g_free(software);
+ return text;
+}
- text = g_strdup_printf("%s%s%s%s%s%s", (make) ? make : "", (make && model2) ? " " : "",
- (model2) ? model2 : "",
- (software2 && (make || model2)) ? " (" : "",
- (software2) ? software2 : "",
- (software2 && (make || model2)) ? ")" : "");
+static gchar *exif_build_fDateTime(ExifData *exif)
+{
+ gchar *text = exif_get_data_as_text(exif, "Exif.Photo.DateTimeOriginal");
+ gchar *subsec = NULL;
- g_free(make);
- g_free(model);
- g_free(software);
- return text;
- }
- if (strcmp(key, "fDateTime") == 0)
+ if (text) subsec = exif_get_data_as_text(exif, "Exif.Photo.SubSecTimeOriginal");
+ 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;
+ text = exif_get_data_as_text(exif, "Exif.Image.DateTime");
+ if (text) subsec = exif_get_data_as_text(exif, "Exif.Photo.SubSecTime");
}
- if (strcmp(key, "fShutterSpeed") == 0)
+ if (subsec)
{
- ExifRational *r;
-
- 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)
- {
- double n = pow(2.0, exif_rational_to_double(r, TRUE));
+ gchar *tmp = text;
+ text = g_strconcat(tmp, ".", subsec, NULL);
+ g_free(tmp);
+ g_free(subsec);
+ }
+ return text;
+}
- /* 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--;
+static gchar *exif_build_fShutterSpeed(ExifData *exif)
+{
+ ExifRational *r;
- return g_strdup_printf("%s%.0fs", n > 1.0 ? "1/" : "",
- n > 1.0 ? floor(n) : 1.0 / n);
- }
- return NULL;
+ 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);
}
- if (strcmp(key, "fAperture") == 0)
+ r = exif_get_rational(exif, "Exif.Photo.ShutterSpeedValue", NULL);
+ if (r && r->num && r->den)
{
- double n;
+ double n = pow(2.0, exif_rational_to_double(r, TRUE));
- 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;
+ /* 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("f/%.1f", n);
+ return g_strdup_printf("%s%.0fs", n > 1.0 ? "1/" : "",
+ n > 1.0 ? floor(n) : 1.0 / n);
}
- if (strcmp(key, "fExposureBias") == 0)
- {
- ExifRational *r;
- gint sign;
- double n;
+ return NULL;
+}
- r = exif_get_rational(exif, "Exif.Photo.ExposureBiasValue", &sign);
- if (!r) return NULL;
+static gchar *exif_build_fAperture(ExifData *exif)
+{
+ double n;
- n = exif_rational_to_double(r, sign);
- return g_strdup_printf("%+.1f", n);
- }
- if (strcmp(key, "fFocalLength") == 0)
- {
- double 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;
- 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;
+ return g_strdup_printf("f/%.1f", n);
+}
- if (exif_get_integer(exif, "Exif.Photo.FocalLengthIn35mmFilm", &n) && n != 0)
- {
- return g_strdup_printf("%d mm", n);
- }
+static gchar *exif_build_fExposureBias(ExifData *exif)
+{
+ ExifRational *r;
+ gint sign;
+ double n;
- f = exif_get_rational_as_double(exif, "Exif.Photo.FocalLength");
- c = get_crop_factor(exif);
+ r = exif_get_rational(exif, "Exif.Photo.ExposureBiasValue", &sign);
+ if (!r) return NULL;
- if (f != 0.0 && c != 0.0)
- {
- return g_strdup_printf("%.0f mm", f * c);
- }
+ n = exif_rational_to_double(r, sign);
+ return g_strdup_printf("%+.1f", n);
+}
- return NULL;
- }
- if (strcmp(key, "fISOSpeedRating") == 0)
- {
- gchar *text;
+static gchar *exif_build_fFocalLength(ExifData *exif)
+{
+ double n;
+
+ n = exif_get_rational_as_double(exif, "Exif.Photo.FocalLength");
+ if (n == 0.0) return NULL;
+ return g_strdup_printf("%.0f mm", n);
+}
- 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;
+static gchar *exif_build_fFocalLength35mmFilm(ExifData *exif)
+{
+ gint n;
+ double f, c;
+
+ if (exif_get_integer(exif, "Exif.Photo.FocalLengthIn35mmFilm", &n) && n != 0)
+ {
+ return g_strdup_printf("%d mm", n);
}
- if (strcmp(key, "fSubjectDistance") == 0)
+
+ f = exif_get_rational_as_double(exif, "Exif.Photo.FocalLength");
+ c = get_crop_factor(exif);
+
+ if (f != 0.0 && c != 0.0)
{
- ExifRational *r;
- gint sign;
- double n;
+ return g_strdup_printf("%.0f mm", f * c);
+ }
- r = exif_get_rational(exif, "Exif.Photo.SubjectDistance", &sign);
- if (!r) return NULL;
+ return NULL;
+}
- if ((long)r->num == 0xffffffff) return g_strdup(_("infinity"));
- if ((long)r->num == 0) return g_strdup(_("unknown"));
+static gchar *exif_build_fISOSpeedRating(ExifData *exif)
+{
+ gchar *text;
- 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)
- {
- /* grr, flash is a bitmask... */
- GString *string;
- gchar *text;
- gint n;
- gint v;
+ 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 (!exif_get_integer(exif, "Exif.Photo.Flash", &n)) return NULL;
+static gchar *exif_build_fSubjectDistance(ExifData *exif)
+{
+ ExifRational *r;
+ gint sign;
+ double n;
- /* Exif 2.1 only defines first 3 bits */
- if (n <= 0x07) return exif_get_data_as_text(exif, "Exif.Photo.Flash");
+ r = exif_get_rational(exif, "Exif.Photo.SubjectDistance", &sign);
+ if (!r) return NULL;
- /* must be Exif 2.2 */
- string = g_string_new("");
+ if ((long)r->num == 0xffffffff) return g_strdup(_("infinity"));
+ if ((long)r->num == 0) return g_strdup(_("unknown"));
- /* flash fired (bit 0) */
- string = g_string_append(string, (n & 0x01) ? _("yes") : _("no"));
+ n = exif_rational_to_double(r, sign);
+ if (n == 0.0) return _("unknown");
+ return g_strdup_printf("%.3f m", n);
+}
- /* 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;
- }
+static gchar *exif_build_fFlash(ExifData *exif)
+{
+ /* grr, flash is a bitmask... */
+ GString *string;
+ gchar *text;
+ gint n;
+ gint v;
- /* 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 (!exif_get_integer(exif, "Exif.Photo.Flash", &n)) return NULL;
- /* we ignore flash function (bit 5) */
+ /* Exif 2.1 only defines first 3 bits */
+ if (n <= 0x07) return exif_get_data_as_text(exif, "Exif.Photo.Flash");
- /* red-eye (bit 6) */
- if ((n >> 5) & 0x01) string = append_comma_text(string, _("red-eye reduction"));
+ /* must be Exif 2.2 */
+ string = g_string_new("");
- text = string->str;
- g_string_free(string, FALSE);
- return text;
- }
- if (strcmp(key, "fResolution") == 0)
+ /* 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)
{
- ExifRational *rx, *ry;
- gchar *units;
- gchar *text;
+ 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;
+ }
- rx = exif_get_rational(exif, "Exif.Image.XResolution", NULL);
- ry = exif_get_rational(exif, "Exif.Image.YResolution", NULL);
- if (!rx || !ry) return NULL;
+ /* 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"));
- 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"));
+ /* we ignore flash function (bit 5) */
- g_free(units);
- return text;
- }
- if (strcmp(key, "fColorProfile") == 0)
- {
- 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;
+ /* red-eye (bit 6) */
+ if ((n >> 5) & 0x01) string = append_comma_text(string, _("red-eye reduction"));
- /* 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");
+ text = string->str;
+ g_string_free(string, FALSE);
+ return text;
+}
- if (cs == 1)
- {
- name = _("sRGB");
- source = "ColorSpace";
- }
- else if (cs == 2 || (interop_index && !strcmp(interop_index, "R03")))
- {
- name = _("AdobeRGB");
- source = (cs == 2) ? "ColorSpace" : "Iop";
- }
+static gchar *exif_build_fResolution(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 ? (double)rx->num / rx->den : 1.0,
+ ry->den ? (double)ry->num / ry->den : 1.0,
+ _("dot"), (units) ? units : _("unknown"));
+
+ g_free(units);
+ return text;
+}
+
+static gchar *exif_build_fColorProfile(ExifData *exif)
+{
+ 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;
+
+ /* 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);
+ name = cmsTakeProductName(profile);
+ cmsCloseProfile(profile);
}
-#endif
+ g_free(profile_data);
}
- if (name[0] == 0 && source[0] == 0) return NULL;
- return g_strdup_printf("%s (%s)", name, source);
+#endif
+ }
+ if (name[0] == 0 && source[0] == 0) return NULL;
+ return g_strdup_printf("%s (%s)", name, source);
+}
+
+gchar *exif_get_formatted_by_key(ExifData *exif, const gchar *key, gint *key_valid)
+{
+ /* must begin with f, else not formatted */
+ if (key[0] != 'f')
+ {
+ if (key_valid) *key_valid = FALSE;
+ return NULL;
}
+ if (key_valid) *key_valid = TRUE;
+
+#define EXIF_BUILD_FORMATTED_TAG(x) do { if (strcmp(key, #x) == 0) return exif_build##_##x(exif); } while (0)
+
+ EXIF_BUILD_FORMATTED_TAG(fCamera);
+ EXIF_BUILD_FORMATTED_TAG(fDateTime);
+ EXIF_BUILD_FORMATTED_TAG(fShutterSpeed);
+ EXIF_BUILD_FORMATTED_TAG(fAperture);
+ EXIF_BUILD_FORMATTED_TAG(fExposureBias);
+ EXIF_BUILD_FORMATTED_TAG(fFocalLength);
+ EXIF_BUILD_FORMATTED_TAG(fFocalLength35mmFilm);
+ EXIF_BUILD_FORMATTED_TAG(fISOSpeedRating);
+ EXIF_BUILD_FORMATTED_TAG(fSubjectDistance);
+ EXIF_BUILD_FORMATTED_TAG(fFlash);
+ EXIF_BUILD_FORMATTED_TAG(fResolution);
+ EXIF_BUILD_FORMATTED_TAG(fColorProfile);
+
if (key_valid) *key_valid = FALSE;
return NULL;
}