private static void clearLocation(BitmapMetadata dest)
{
dest.RemoveQuery(LatitudeRefQuery);
dest.RemoveQuery(LatitudeQuery);
dest.RemoveQuery(LongitudeRefQuery);
dest.RemoveQuery(LongitudeQuery);
}
public static void MoveQuery(this BitmapMetadata bitmapMetadata, string sourceQuery, string destinationQuery, bool overWriteExistingData)
{
// Check Source Query exists
if (bitmapMetadata.ContainsQuery(sourceQuery))
{
bool existingData = bitmapMetadata.ContainsQuery(destinationQuery);
if (existingData && !overWriteExistingData)
{
// Skip the copy and source the value
bitmapMetadata.RemoveQuery(sourceQuery);
}
else
{
// Copy the Query
bitmapMetadata.CopyQuery(sourceQuery, destinationQuery);
// Finally remove old query
bitmapMetadata.RemoveQuery(sourceQuery);
// Ensure old query has been removed
if (!bitmapMetadata.ContainsQuery(destinationQuery))
{
throw new Exception("Move Query Failed");
}
}
}
}
private void SetMetadata(BitmapMetadata bitmapMetadata)
{
if (Caption != null)
{
bitmapMetadata.Comment = Caption;
}
//the rest is gps stuff
if (GPSLatitude.HasValue && GPSLongitude.HasValue)
{
bitmapMetadata.SetQuery(GPSLatitudeQuery, ConvertCoordinate(GPSLatitude.Value));
bitmapMetadata.SetQuery(GPSLongitudeQuery, ConvertCoordinate(GPSLongitude.Value));
byte[] gpsVersionNumbers = new byte[4];
gpsVersionNumbers[0] = 0;
gpsVersionNumbers[1] = 0;
gpsVersionNumbers[2] = 2;
gpsVersionNumbers[3] = 2;
bitmapMetadata.SetQuery(GPSVersionIDQuery, gpsVersionNumbers);
string northOrSouth = (GPSLatitude.Value >= 0) ? "N" : "S";
bitmapMetadata.SetQuery(GPSLatitudeRefQuery, northOrSouth);
string eastOrWest = (GPSLongitude.Value >= 0) ? "E" : "W";
bitmapMetadata.SetQuery(GPSLongitudeRefQuery, eastOrWest);
string gpsTime = GPSDateTime.Value.ToString("yyyy:MM:dd HH:mm:ss");
}
else
{
bitmapMetadata.RemoveQuery(GPSLatitudeQuery);
bitmapMetadata.RemoveQuery(GPSLongitudeQuery);
bitmapMetadata.RemoveQuery(GPSLatitudeRefQuery);
bitmapMetadata.RemoveQuery(GPSLongitudeRefQuery);
}
if (GPSDateTime.HasValue)
{
bitmapMetadata.SetQuery(GPSTimeStampQuery, ConvertGpsTime(GPSDateTime.Value));
bitmapMetadata.SetQuery(GPSDateStampQuery, ConvertGpsDate(GPSDateTime.Value));
}
}
public static void SetQueryOrRemove(this BitmapMetadata bitmapMetadata, string query, object value, bool whenTrueRemoveQuery)
{
if (whenTrueRemoveQuery)
{
bitmapMetadata.RemoveQuery(query);
}
else
{
bitmapMetadata.SetQuery(query, value);
}
}
public static void MoveStruct(this BitmapMetadata bitmapMetadata, string sourceNameSpace, string sourceStructName, string destinationNameSpace, string destinationStructName, bool overWriteExistingData, bool ignoreInvalidSource)
{
// Rewrite Structnames
string sourceStruct = @"/xmp/" + sourceNameSpace + sourceStructName;
string sourceQuery = sourceStruct + "/" + sourceNameSpace;
string destinationStruct = @"/xmp/" + destinationNameSpace + destinationStructName;
string destinationQuery = destinationStruct + "/" + destinationNameSpace;
// Check Source exists
bool sourceExists = bitmapMetadata.ContainsQuery(sourceStruct);
if (sourceExists)
{
// Create a new Struct, if it doesn't exist
if (!bitmapMetadata.ContainsQuery(destinationStruct))
{
bitmapMetadata.SetQuery(destinationStruct, new BitmapMetadata("xmpstruct"));
}
List <string> sourceSubQueries = bitmapMetadata.GetSubQueries(sourceStruct);
// Loop through all data in the struct
foreach (string sourceProperty in sourceSubQueries)
{
// Construct the full query
string destinationProperty = sourceProperty.Replace(sourceQuery, destinationQuery);
bitmapMetadata.MoveQuery(sourceProperty, destinationProperty, overWriteExistingData);
}
// Remove the old struct
bitmapMetadata.RemoveQuery(sourceStruct);
// Get Destination Queries
List <string> destinationSubQueries = bitmapMetadata.GetSubQueries(destinationStruct);
// Check the destination has at least as many subqueries as the source
if (destinationSubQueries.Count < sourceSubQueries.Count)
{
throw new Exception("Source Struct was not fully moved to Destination");
}
}
else if (!sourceExists && !ignoreInvalidSource)
{
throw new Exception("Source Struct does not exist:" + sourceStruct);
}
}
public static void RemoveQuerySafe(this BitmapMetadata metadata, string query)
{
if (metadata == null || string.IsNullOrWhiteSpace(query))
{
return;
}
try
{
if (metadata.ContainsQuery(query))
{
metadata.RemoveQuery(query);
}
}
catch (Exception ex)
{
Debug.WriteLine($"Exception while trying to remove metadata entry at position: {query}");
Debug.WriteLine(ex);
}
}
public static void RemoveQuerySafe(this BitmapMetadata metadata, string query)
{
if (metadata == null || string.IsNullOrWhiteSpace(query))
{
return;
}
try
{
if (metadata.ContainsQuery(query))
{
metadata.RemoveQuery(query);
}
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
Debug.WriteLine($"Exception while trying to remove metadata entry at position: {query}");
Debug.WriteLine(ex);
}
}
public static void CopyQuery(this BitmapMetadata bitmapMetadata, string sourceQuery, string destinationQuery)
{
// Check Source Query exists
if (bitmapMetadata.ContainsQuery(sourceQuery))
{
// Garb source object
object sourceObject = bitmapMetadata.GetQuery(sourceQuery);
// Remove destination Query
bitmapMetadata.RemoveQuery(sourceQuery);
// Set destination Query
bitmapMetadata.SetQuery(destinationQuery, sourceObject.ToString());
// Grab Destination Query
object destinationObject = bitmapMetadata.GetQuery(destinationQuery);
// Check Type and value.ToString() match
if (sourceObject.GetType() != destinationObject.GetType() || sourceObject.ToString() != destinationObject.ToString())
{
throw new Exception("Copy Query Failed");
}
}
}
public static async Task <Photo.Metadata> SetMetadata(Photo photo, BitmapMetadata dest)
{
var source = GetMetadata(dest);
await photo.Dispatcher.InvokeAsync(() => {
source.Title = photo.Title;
source.Author = photo.Photographer;
source.DateTaken = photo.DateTaken;
source.Location = photo.Location;
source.Orientation = 1;
});
if (!string.IsNullOrWhiteSpace(source.Title))
{
var title = toUniversalNewline(source.Title.Trim());
var bytes = Encoding.UTF8.GetBytes(title);
dest.SetQuery(TitleQuery, Encoding.Default.GetString(bytes));
var utf16bytes = Encoding.Unicode.GetBytes(title + '\0');
dest.SetQuery(WinTitleQuery, utf16bytes);
dest.Title = title;
}
else
{
dest.Title = string.Empty;
foreach (var query in TitleRemoveQueries)
{
dest.RemoveQuery(query);
}
}
if (!string.IsNullOrWhiteSpace(source.Author))
{
var bytes = Encoding.UTF8.GetBytes(source.Author);
dest.Author = new ReadOnlyCollection <string>(new string[] {
Encoding.Default.GetString(bytes)
});
}
else
{
dest.Author = EmptyStringCollection;
foreach (var query in AuthorRemoveQueries)
{
dest.RemoveQuery(query);
}
}
if (source.DateTaken.HasValue)
{
var bytes = Encoding.ASCII.GetBytes(
source.DateTaken.Value.ToString(ExifDateFormat, CultureInfo.InvariantCulture));
dest.SetQuery(DateTakenQuery, Encoding.Default.GetString(bytes));
}
else
{
dest.RemoveQuery(DateTakenQuery);
dest.RemoveQuery(DateTakenSubsecQuery);
}
if (source.Location != null)
{
setLocation(dest, source.Location);
}
else
{
clearLocation(dest);
}
return(source);
}
public void Remove(int propId)
{
string query = Query(propId);
fNewMetadata.RemoveQuery(query);
}
private void SetOrientationMetadata(BitmapMetadata bitmapMetadata, MetadataItemName metaName, MetaPersistAction persistAction)
{
switch (persistAction)
{
case MetaPersistAction.Delete:
bitmapMetadata.RemoveQuery(UpdatableMetaItems[metaName]);
break;
case MetaPersistAction.Save:
IGalleryObjectMetadataItem orientationMeta;
if (GalleryObject.MetadataItems.TryGetMetadataItem(metaName, out orientationMeta))
{
ushort orientationRaw;
if (UInt16.TryParse(orientationMeta.RawValue, out orientationRaw) && MetadataEnumHelper.IsValidOrientation((Orientation)orientationRaw))
{
bitmapMetadata.SetQuery(UpdatableMetaItems[metaName], orientationRaw);
}
}
break;
default:
throw new InvalidEnumArgumentException(String.Format(CultureInfo.CurrentCulture, "This function is not designed to handle the enumeration value {0}. The function must be updated.", persistAction));
}
}
