public static void DoIt(string fileName)
{
EXIFInfo info = new EXIFInfo();
/// Add Exif Info to be added/updated
info.Add(EXIFBase.ExifField.Latitude, "54.675051");
info.Add(EXIFBase.ExifField.Longitude, "25.273356");
Console.WriteLine("Starting EXIF edit");
/// Call the main function
EXIFBase.ChangeImageExif(fileName, info);
ExtractMetaData(fileName);
}
/// <summary>
/// Change/Add standard EXIF field vlaue
/// </summary>
/// <param name="file"></param>
/// <param name="objExifInfo"></param>
/// <returns></returns>
public static bool ChangeImageExif(string file, EXIFInfo objExifInfo)
{
#region Vars
string sPropValue = string.Empty;
EXIFBase.ExifField field;
PropertyItem propItem = null;
ImageFormat ifOriginal = null;
Graphics gSave = null;
Image iOriginal = null;
Image iSave = null;
#endregion
Console.WriteLine("Started");
try
{
iOriginal = new Bitmap(file);
ifOriginal = iOriginal.RawFormat;
Console.WriteLine("Bitmapped file");
// For each EXIFField in objExifInfo, add it to Image EXIF
foreach (var exField in objExifInfo)
{
field = (EXIFBase.ExifField)Enum.Parse(typeof(EXIFBase.ExifField), exField.Key.ToString());
try
{
// Get the EXIF value from Image
Console.WriteLine("Getting EXIF value from image");
propItem = iOriginal.GetPropertyItem((int)field);
sPropValue = System.Text.Encoding.UTF8.GetString(propItem.Value);
//Change the value
sPropValue = sPropValue.Replace(sPropValue, exField.Value);
// Get bytes
propItem.Value = System.Text.Encoding.UTF8.GetBytes(sPropValue);
//Set the property on the image
iOriginal.SetPropertyItem(propItem);
}
catch (System.ArgumentException)
{
Console.WriteLine("EXIF param does not exist, creating new");
// EXIF tag doesn't exist, add it to image
WriteEXIFField(iOriginal, field, exField.Value.ToString() + "\0");
}
}
//Store the list of properties that exist on the image
ArrayList alPropertyItems = new ArrayList();
foreach (PropertyItem pi in iOriginal.PropertyItems)
{
alPropertyItems.Add(pi);
}
//Create temp image
iSave = new Bitmap(iOriginal.Width, iOriginal.Height, iOriginal.PixelFormat);
Console.WriteLine("Temp img created");
//Copy the original image over to the temp image
gSave = Graphics.FromImage(iSave);
//If you check iSave at this point, it does not have any EXIF properties -
//only the image gets recreated
gSave.DrawImage(iOriginal, 0, 0, iOriginal.Width, iOriginal.Height);
Console.WriteLine(iSave);
//Get rid of the locks on the original image
iOriginal.Dispose();
gSave.Dispose();
//Copy the original EXIF properties to the new image
foreach (PropertyItem pi in alPropertyItems)
{
iSave.SetPropertyItem(pi);
}
//Save the temp image over the original image
Console.WriteLine(iSave);
iSave.Save(file, ifOriginal);
Console.WriteLine("Pavyko");
return(true);
}
catch (Exception)
{
// TODO: Exception logging
return(false);
}
finally
{
iSave.Dispose();
}
}
