/// <summary>
/// Fixes the GPS Timestamp in EXIF. </summary>
/// <param name="exifSchema"> the EXIF schema node </param>
/// <exception cref="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.Value);
if (binGpsStamp.Year != 0 || binGpsStamp.Month != 0 || binGpsStamp.Day != 0)
{
return;
}
XmpNode otherDate = XmpNodeUtils.FindChildNode(exifSchema, "exif:DateTimeOriginal", false);
otherDate = otherDate ?? XmpNodeUtils.FindChildNode(exifSchema, "exif:DateTimeDigitized", false);
XMPDateTime binOtherDate = XMPUtils.ConvertToDate(otherDate.Value);
XmpCalendar cal = binGpsStamp.Calendar;
DateTime dt = new DateTime(binOtherDate.Year, binOtherDate.Month, binOtherDate.Day, cal.DateTime.Hour,
cal.DateTime.Minute, cal.DateTime.Second, cal.DateTime.Millisecond);
cal.DateTime = dt;
binGpsStamp = new XmpDateTimeImpl(cal);
gpsDateTime.Value = XMPUtils.ConvertFromDate(binGpsStamp);
}
catch (XmpException) {
}
}
/// <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>Fixes the GPS Timestamp in EXIF.</summary>
/// <param name="exifSchema">the EXIF schema node</param>
/// <exception cref="Com.Adobe.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;
XMPDateTime binOtherDate;
binGPSStamp = XMPUtils.ConvertToDate(gpsDateTime.GetValue());
if (binGPSStamp.GetYear() != 0 || binGPSStamp.GetMonth() != 0 || binGPSStamp.GetDay() != 0)
{
return;
}
XMPNode otherDate = XMPNodeUtils.FindChildNode(exifSchema, "exif:DateTimeOriginal", false);
if (otherDate == null)
{
otherDate = XMPNodeUtils.FindChildNode(exifSchema, "exif:DateTimeDigitized", false);
}
binOtherDate = XMPUtils.ConvertToDate(otherDate.GetValue());
Sharpen.Calendar cal = binGPSStamp.GetCalendar();
cal.Set(Sharpen.CalendarEnum.Year, binOtherDate.GetYear());
cal.Set(Sharpen.CalendarEnum.Month, binOtherDate.GetMonth());
cal.Set(Sharpen.CalendarEnum.DayOfMonth, binOtherDate.GetDay());
binGPSStamp = new XMPDateTimeImpl(cal);
gpsDateTime.SetValue(XMPUtils.ConvertFromDate(binGPSStamp));
}
catch (XMPException)
{
// Don't let a missing or bad date stop other things.
return;
}
}
/// <summary>
/// Evaluates a raw node value to the given value type, apply special
/// conversions for defined types in XMP.
/// </summary>
/// <param name="valueType">an int indicating the value type</param>
/// <param name="propNode">the node containing the value</param>
/// <returns>Returns a literal value for the node.</returns>
/// <exception cref="iText.Kernel.XMP.XMPException">
/// if the value of <code>propNode</code> is <code>null</code> or empty or the conversion fails.
/// </exception>
private Object EvaluateNodeValue(int valueType, XMPNode propNode)
{
Object value;
String rawValue = propNode.GetValue();
switch (valueType)
{
case VALUE_BOOLEAN:
{
value = XMPUtils.ConvertToBoolean(rawValue);
break;
}
case VALUE_INTEGER:
{
value = XMPUtils.ConvertToInteger(rawValue);
break;
}
case VALUE_LONG:
{
value = XMPUtils.ConvertToLong(rawValue);
break;
}
case VALUE_DOUBLE:
{
value = XMPUtils.ConvertToDouble(rawValue);
break;
}
case VALUE_DATE:
{
value = XMPUtils.ConvertToDate(rawValue);
break;
}
case VALUE_CALENDAR:
{
XMPDateTime dt = XMPUtils.ConvertToDate(rawValue);
value = dt.GetCalendar();
break;
}
case VALUE_BASE64:
{
value = XMPUtils.DecodeBase64(rawValue);
break;
}
case VALUE_STRING:
default:
{
// leaf values return empty string instead of null
// for the other cases the converter methods provides a "null"
// value.
// a default value can only occur if this method is made public.
value = rawValue != null || propNode.GetOptions().IsCompositeProperty() ? rawValue
: "";
break;
}
}
return value;
}