/// <summary>
/// Reads and writes complex EXIF tags
/// </summary>
private static void ProcessComplexExifTypes()
{
using (var jpegReader = new JpegReader("../../../../_Input/Chicago.jpg"))
using (var jpegWriter = new JpegWriter("../../../../_Output/ProcessComplexExifTypes.jpg", 70))
{
var exif = new Aurigma.GraphicsMill.Codecs.ExifDictionary(jpegReader.Exif);
Object[] latitude = null;
if (exif.Contains(ExifDictionary.GpsLatitude))
{
latitude = exif.GetItemArray(ExifDictionary.GpsLatitude);
latitude[0] = new UnsignedRational(113, 12);
}
else
{ // Alexandria, Virginia
latitude = new Object[] { new UnsignedRational(38, 1), new UnsignedRational(48, 1), new UnsignedRational(17, 1) };
}
exif.SetItemArray(ExifDictionary.GpsLatitude, latitude);
var gpsVer = new Object[] { (byte)2, (byte)0, (byte)0, (byte)1 };
exif.SetItemArray(ExifDictionary.GpsVersionId, gpsVer);
exif[Aurigma.GraphicsMill.Codecs.ExifDictionary.Software] = "Aurigma Graphics Mill";
jpegWriter.Exif = exif;
Aurigma.GraphicsMill.Pipeline.Run(jpegReader + jpegWriter);
}
}
/// <summary>
/// Writes EXIF and IPTC metadata using memory-friendly Pipeline API
/// </summary>
private static void WriteExifIptcMemoryFriendly()
{
using (var jpegReader = new JpegReader("../../../../_Input/Chicago.jpg"))
using (var jpegWriter = new JpegWriter("../../../../_Output/WriteExifIptcMemoryFriendly.jpg", 70))
{
var exif = new Aurigma.GraphicsMill.Codecs.ExifDictionary();
exif[Aurigma.GraphicsMill.Codecs.ExifDictionary.Software] = "Aurigma Graphics Mill";
jpegWriter.Exif = exif;
var iptc = new Aurigma.GraphicsMill.Codecs.IptcDictionary();
iptc[Aurigma.GraphicsMill.Codecs.IptcDictionary.Keyword] = "mountain";
iptc[Aurigma.GraphicsMill.Codecs.IptcDictionary.City] = "Olympia";
jpegWriter.Iptc = iptc;
Aurigma.GraphicsMill.Pipeline.Run(jpegReader + jpegWriter);
}
}
/// <summary>
/// Writes EXIF and IPTC metadata
/// </summary>
private static void WriteExifIptc()
{
using (var bitmap = new Aurigma.GraphicsMill.Bitmap("../../../../_Input/Chicago.jpg"))
{
var settings = new Aurigma.GraphicsMill.Codecs.JpegSettings(70);
var exif = new Aurigma.GraphicsMill.Codecs.ExifDictionary();
exif[Aurigma.GraphicsMill.Codecs.ExifDictionary.Software] = "Aurigma Graphics Mill";
settings.Exif = exif;
var iptc = new Aurigma.GraphicsMill.Codecs.IptcDictionary();
iptc[Aurigma.GraphicsMill.Codecs.IptcDictionary.Keyword] = "mountain";
iptc[Aurigma.GraphicsMill.Codecs.IptcDictionary.City] = "Olympia";
settings.Iptc = iptc;
bitmap.Save("../../../../_Output/WriteExifIptc.jpg", settings);
}
}
