Ejemplos de exif_get_data_as_text en C++ (Cpp)

Ejemplo n.º 1

Archivo: lua.c Proyecto: BestImageViewer/geeqie

/* Interface for EXIF data */
static int lua_exif_get_datum(lua_State *L)
{
	const gchar *key;
	gchar *value = NULL;
	ExifData *exif;
	struct tm tm;
	time_t datetime;

	exif = lua_check_exif(L, 1);
	key = luaL_checkstring(L, 2);
	if (key == (gchar*)NULL || key[0] == '\0')
		{
		lua_pushnil(L);
		return 1;
		}
	if (!exif)
		{
		lua_pushnil(L);
		return 1;
		}
	value = exif_get_data_as_text(exif, key);
	if (strcmp(key, "Exif.Photo.DateTimeOriginal") == 0)
		{
		memset(&tm, 0, sizeof(tm));
		if (value && strptime(value, "%Y:%m:%d %H:%M:%S", &tm))
			{
			datetime = mktime(&tm);
			lua_pushnumber(L, datetime);
			return 1;
			}
		else
			{
			lua_pushnil(L);
			return 1;
			}
		}
	else if (strcmp(key, "Exif.Photo.DateTimeDigitized") == 0)
		{
		memset(&tm, 0, sizeof(tm));
		if (value && strptime(value, "%Y:%m:%d %H:%M:%S", &tm))
			{
			datetime = mktime(&tm);
			lua_pushnumber(L, datetime);
			return 1;
			}
		else
			{
			lua_pushnil(L);
			return 1;
			}
		}
	lua_pushstring(L, value);
	return 1;
}

Ejemplo n.º 2

Archivo: bar_exif.c Proyecto: tjwei/WebKitGtkKindleDXG

static void bar_exif_update(ExifBar *eb)
{
	ExifData *exif;
	gint len, i;

	exif = exif_read(eb->path, FALSE);

	if (!exif)
		{
		bar_exif_sensitive(eb, FALSE);
		return;
		}

	bar_exif_sensitive(eb, TRUE);

	if (GTK_WIDGET_VISIBLE(eb->scrolled))
		{
		GList *list;
		len = bar_exif_key_count;
		for (i = 0; i < len; i++)
			{
			gchar *text;
			text = exif_get_data_as_text(exif, bar_exif_key_list[i]);
			text = bar_exif_validate_text(text);
			gtk_label_set_text(GTK_LABEL(eb->labels[i]), text);
			g_free(text);
			}

		list = g_list_last(history_list_get_by_key("exif_extras"));
		if (list)
			{
			gtk_widget_show(eb->custom_sep);
			}
		else
			{
			gtk_widget_hide(eb->custom_sep);
			}
		i = 0;
		while (list && i < EXIF_BAR_CUSTOM_COUNT)
			{
			gchar *text;
			gchar *name;
			gchar *buf;

			name = list->data;
			list = list->prev;

			text = exif_get_data_as_text(exif, name);
			text = bar_exif_validate_text(text);

			buf = g_strconcat(name, ":", NULL);
			gtk_label_set_text(GTK_LABEL(eb->custom_name[i]), buf);
			g_free(buf);
			gtk_label_set_text(GTK_LABEL(eb->custom_value[i]), text);
			g_free(text);

			gtk_widget_show(eb->custom_name[i]);
			gtk_widget_show(eb->custom_value[i]);

			i++;
			}
		while (i < EXIF_BAR_CUSTOM_COUNT)
			{
			gtk_widget_hide(eb->custom_name[i]);
			gtk_widget_hide(eb->custom_value[i]);
			i++;
			}
		}

	if (eb->advanced_scrolled && GTK_WIDGET_VISIBLE(eb->advanced_scrolled))
		{
		GtkListStore *store;
		GtkTreeIter iter;
		GList *work;
		
		store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(eb->listview)));
		gtk_list_store_clear(store);

		work = exif->items;
		while (work)
			{
			ExifItem *item;
			gchar *tag;
			const gchar *tag_name;
			gchar *text;
			const gchar *format;
			gchar *elements;
			const gchar *description;

			item = work->data;
			work = work->next;

			tag = g_strdup_printf("0x%04x", item->tag);
			tag_name = exif_item_get_tag_name(item);
			format = exif_item_get_format_name(item, TRUE);
			text = exif_item_get_data_as_text(item);
			text = bar_exif_validate_text(text);
			elements = g_strdup_printf("%d", item->elements);
			description = exif_item_get_description(item);
			if (!description) description = "";
			gtk_list_store_append(store, &iter);
			gtk_list_store_set(store, &iter,
					EXIF_ADVCOL_ENABLED, bar_exif_row_enabled(tag_name),
					EXIF_ADVCOL_TAG, tag,
					EXIF_ADVCOL_NAME, tag_name,
					EXIF_ADVCOL_VALUE, text,
					EXIF_ADVCOL_FORMAT, format,
					EXIF_ADVCOL_ELEMENTS, elements,
					EXIF_ADVCOL_DESCRIPTION, description, -1);
			g_free(tag);
			g_free(text);
			g_free(elements);
			}
		}

	exif_free(exif);
}