/// <summary>Fixes the GPS Timestamp in EXIF.</summary>
/// <param name="exifSchema">the EXIF schema node</param>
/// <exception cref="iText.Kernel.XMP.XMPException">Thrown if the date conversion fails.
/// </exception>
private static void FixGPSTimeStamp(XMPNode exifSchema)
{
// Note: if dates are not found the convert-methods throws an exceptions,
// and this methods returns.
XMPNode gpsDateTime = XMPNodeUtils.FindChildNode(exifSchema, "exif:GPSTimeStamp", false);
if (gpsDateTime == null)
{
return;
}
try {
XMPDateTime binGpsStamp = XMPUtils.ConvertToDate(gpsDateTime.GetValue());
if (binGpsStamp.GetYear() != 0 || binGpsStamp.GetMonth() != 0 || binGpsStamp.GetDay() != 0)
{
return;
}
XMPNode otherDate = XMPNodeUtils.FindChildNode(exifSchema, "exif:DateTimeOriginal", false);
otherDate = otherDate ?? XMPNodeUtils.FindChildNode(exifSchema, "exif:DateTimeDigitized", false);
XMPDateTime binOtherDate = XMPUtils.ConvertToDate(otherDate.GetValue());
XMPCalendar cal = binGpsStamp.GetCalendar();
DateTime dt = new DateTime(binOtherDate.GetYear(), binOtherDate.GetMonth(), binOtherDate.GetDay(),
cal.GetDateTime().Hour, cal.GetDateTime().Minute, cal.GetDateTime().Second, cal.GetDateTime().Millisecond);
cal.SetDateTime(dt);
binGpsStamp = new XMPDateTimeImpl(cal);
gpsDateTime.SetValue(XMPUtils.ConvertFromDate(binGpsStamp));
}
catch (XMPException) {
}
}
/// <summary>
/// Creates an <code>XMPDateTime</code>-instance from a calendar.
/// </summary>
/// <param name="calendar"> a <code>Calendar</code> </param>
public XmpDateTimeImpl(XMPCalendar calendar) {
// extract the date and timezone from the calendar provided
DateTime date = calendar.DateTime;
TimeZone zone = calendar.TimeZone;
_year = date.Year;
_month = date.Month + 1; // cal is from 0..12
_day = date.Day;
_hour = date.Hour;
_minute = date.Minute;
_second = date.Second;
_nanoSeconds = date.Millisecond*1000000;
_timeZone = zone;
// object contains all date components
_hasDate = _hasTime = _hasTimeZone = true;
}
/// <summary>
/// Creates an <code>XMPDateTime</code>-instance from a calendar.
/// </summary>
/// <param name="calendar"> a <code>Calendar</code> </param>
public XMPDateTimeImpl(XMPCalendar calendar)
{
// extract the date and timezone from the calendar provided
DateTime date = calendar.GetDateTime();
TimeZone zone = calendar.GetTimeZone();
year = date.Year;
month = date.Month + 1; // cal is from 0..12
day = date.Day;
hour = date.Hour;
minute = date.Minute;
second = date.Second;
nanoSeconds = date.Millisecond * 1000000;
timeZone = zone;
// object contains all date components
hasDate = hasTime = hasTimeZone = true;
}
/// <summary>
/// Creates an <code>XMPDateTime</code>-instance from a calendar.
/// </summary>
/// <param name="calendar"> a <code>Calendar</code> </param>
public XmpDateTimeImpl(XMPCalendar calendar)
{
// extract the date and timezone from the calendar provided
DateTime date = calendar.DateTime;
TimeZone zone = calendar.TimeZone;
_year = date.Year;
_month = date.Month + 1; // cal is from 0..12
_day = date.Day;
_hour = date.Hour;
_minute = date.Minute;
_second = date.Second;
_nanoSeconds = date.Millisecond * 1000000;
_timeZone = zone;
// object contains all date components
_hasDate = _hasTime = _hasTimeZone = true;
}
