public void ReplaceWithDataFrom(Metadata source)
{
OnChanging();
++suppressChangeEvents;
if (source != this && source.userMetaData != this.userMetaData)
{
Clear();
foreach (string key in source.userMetaData.Keys)
{
string value = source.userMetaData.Get(key);
this.userMetaData.Set(key, value);
}
ReconstructExifInfoCache();
}
--suppressChangeEvents;
OnChanged();
}
private void CopyMetadataTo(BitmapMetadata dst, Metadata src)
{
// ApplicationName
CopyStringTagTo(dst, "ApplicationName", src, ExifTagID.Software);
// Author
PropertyItem[] authorsPI = src.GetExifValues(ExifTagID.Artist);
if (authorsPI.Length > 0)
{
List<string> authors = new List<string>();
foreach (PropertyItem pi in authorsPI)
{
string author = Exif.DecodeAsciiValue(pi);
authors.Add(author);
}
ReadOnlyCollection<string> authorsRO = new ReadOnlyCollection<string>(authors);
dst.Author = authorsRO;
}
CopyStringTagTo(dst, "CameraManufacturer", src, ExifTagID.Make);
CopyStringTagTo(dst, "CameraModel", src, ExifTagID.Model);
CopyStringTagTo(dst, "Copyright", src, ExifTagID.Copyright);
CopyStringTagTo(dst, "Title", src, ExifTagID.ImageDescription);
PropertyItem[] dateTimePis = src.GetExifValues(ExifTagID.DateTime);
if (dateTimePis.Length > 0)
{
string dateTime = Exif.DecodeAsciiValue(dateTimePis[0]);
try
{
dst.DateTaken = dateTime;
}
catch (Exception)
{
try
{
string newDateTime = FixDateTimeString(dateTime);
dst.DateTaken = newDateTime;
}
catch (Exception)
{
// *shrug*
}
}
}
}
private void CopyMetadataTo(Metadata dst, BitmapMetadata src)
{
dst.AddExifValues(new PropertyItem[1] { Exif.CreateAscii(ExifTagID.Software, src.ApplicationName) });
ReadOnlyCollection<string> authors = src.Author;
if (authors != null)
{
List<PropertyItem> piAuthors = new List<PropertyItem>();
foreach (string author in authors)
{
PropertyItem piAuthor = Exif.CreateAscii(ExifTagID.Artist, author);
piAuthors.Add(piAuthor);
}
dst.AddExifValues(piAuthors.ToArray());
}
dst.AddExifValues(new PropertyItem[1] { Exif.CreateAscii(ExifTagID.Make, src.CameraManufacturer) });
dst.AddExifValues(new PropertyItem[1] { Exif.CreateAscii(ExifTagID.Model, src.CameraModel) });
dst.AddExifValues(new PropertyItem[1] { Exif.CreateAscii(ExifTagID.Copyright, src.Copyright) });
dst.AddExifValues(new PropertyItem[1] { Exif.CreateAscii(ExifTagID.DateTime, src.DateTaken) });
dst.AddExifValues(new PropertyItem[1] { Exif.CreateAscii(ExifTagID.ImageDescription, src.Title) });
}
private void CopyStringTagTo(BitmapMetadata dst, string dstPropertyName, Metadata src, ExifTagID srcTagID)
{
PropertyItem[] pis = src.GetExifValues(srcTagID);
if (pis.Length > 0)
{
PropertyInfo pi = dst.GetType().GetProperty(dstPropertyName);
string piValue = Exif.DecodeAsciiValue(pis[0]);
try
{
pi.SetValue(dst, piValue, null);
}
catch (Exception)
{
// *shrug*
}
}
}
