From d443a3c2509889533ca812c163056bace396b586 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Wed, 14 Jun 2023 20:35:58 +0200 Subject: New upstream version 0.32.1 --- src/MediaMetadata.vala | 125 ------------------------------------------------- 1 file changed, 125 deletions(-) delete mode 100644 src/MediaMetadata.vala (limited to 'src/MediaMetadata.vala') diff --git a/src/MediaMetadata.vala b/src/MediaMetadata.vala deleted file mode 100644 index b2ba1b7..0000000 --- a/src/MediaMetadata.vala +++ /dev/null @@ -1,125 +0,0 @@ -/* Copyright 2016 Software Freedom Conservancy Inc. - * - * This software is licensed under the GNU Lesser General Public License - * (version 2.1 or later). See the COPYING file in this distribution. - */ - -public abstract class MediaMetadata { - public abstract void read_from_file(File file) throws Error; - - public abstract MetadataDateTime? get_creation_date_time(); - - public abstract string? get_title(); - - public abstract string? get_comment(); -} - -public struct MetadataRational { - public int numerator; - public int denominator; - - public MetadataRational(int numerator, int denominator) { - this.numerator = numerator; - this.denominator = denominator; - } - - private bool is_component_valid(int component) { - return (component >= 0) && (component <= 1000000); - } - - public bool is_valid() { - return (is_component_valid(numerator) && is_component_valid(denominator)); - } - - public string to_string() { - return (is_valid()) ? ("%d/%d".printf(numerator, denominator)) : ""; - } -} - -public errordomain MetadataDateTimeError { - INVALID_FORMAT, - UNSUPPORTED_FORMAT -} - -public class MetadataDateTime { - - private time_t timestamp; - - public MetadataDateTime(time_t timestamp) { - this.timestamp = timestamp; - } - - public MetadataDateTime.from_exif(string label) throws MetadataDateTimeError { - if (!from_exif_date_time(label, out timestamp)) - throw new MetadataDateTimeError.INVALID_FORMAT("%s is not EXIF format date/time", label); - } - - public MetadataDateTime.from_iptc(string date, string time) throws MetadataDateTimeError { - // TODO: Support IPTC date/time format - throw new MetadataDateTimeError.UNSUPPORTED_FORMAT("IPTC date/time format not currently supported"); - } - - public MetadataDateTime.from_xmp(string label) throws MetadataDateTimeError { - TimeVal time_val = TimeVal(); - if (!time_val.from_iso8601(label)) - throw new MetadataDateTimeError.INVALID_FORMAT("%s is not XMP format date/time", label); - - timestamp = time_val.tv_sec; - } - - public time_t get_timestamp() { - return timestamp; - } - - public string get_exif_label() { - return to_exif_date_time(timestamp); - } - - // TODO: get_iptc_date() and get_iptc_time() - - public string get_xmp_label() { - TimeVal time_val = TimeVal(); - time_val.tv_sec = timestamp; - time_val.tv_usec = 0; - - return time_val.to_iso8601(); - } - - public static bool from_exif_date_time(string date_time, out time_t timestamp) { - timestamp = 0; - - Time tm = Time(); - - // Check standard EXIF format - if (date_time.scanf("%d:%d:%d %d:%d:%d", - &tm.year, &tm.month, &tm.day, &tm.hour, &tm.minute, &tm.second) != 6) { - // Fallback in a more generic format - string tmp = date_time.dup(); - tmp.canon("0123456789", ' '); - if (tmp.scanf("%4d%2d%2d%2d%2d%2d", - &tm.year, &tm.month, &tm.day, &tm.hour, &tm.minute,&tm.second) != 6) - return false; - } - - // watch for bogosity - if (tm.year <= 1900 || tm.month <= 0 || tm.day < 0 || tm.hour < 0 || tm.minute < 0 || tm.second < 0) - return false; - - tm.year -= 1900; - tm.month--; - tm.isdst = -1; - - timestamp = tm.mktime(); - - return true; - } - - public static string to_exif_date_time(time_t timestamp) { - return Time.local(timestamp).format("%Y:%m:%d %H:%M:%S"); - } - - public string to_string() { - return to_exif_date_time(timestamp); - } -} - -- cgit v1.2.3