public void SetExif(Exif.ExifData value) { // Console.WriteLine ("before save"); byte [] raw_data = value.Save(); // Console.WriteLine ("saved"); Marker exif = new Marker(ExifSignature.Id, raw_data); // Console.WriteLine ("new"); Replace(ExifSignature, exif); // Console.WriteLine ("replaced"); }
public static void SaveJpeg(Pixbuf pixbuf, string path, int quality, Exif.ExifData exif_data) { Pixbuf temp = null; if (pixbuf.HasAlpha) { temp = Flatten(pixbuf); pixbuf = temp; } // The DCF spec says thumbnails should be 160x120 always Pixbuf thumbnail = ScaleToAspect(pixbuf, 160, 120); byte [] thumb_data = Save(thumbnail, "jpeg", null, null); exif_data.Data = thumb_data; thumbnail.Dispose(); // Most of the things we will set will be in the 0th ifd Exif.ExifContent content = exif_data.GetContents(Exif.Ifd.Zero); // reset the orientation tag the default is top/left content.GetEntry(Exif.Tag.Orientation).Reset(); // set the write time in the datetime tag content.GetEntry(Exif.Tag.DateTime).Reset(); // set the software tag content.GetEntry(Exif.Tag.Software).SetData(FSpot.Defines.PACKAGE + " version " + FSpot.Defines.VERSION); byte [] data = exif_data.Save(); FPixbufJpegMarker [] marker = new FPixbufJpegMarker [0]; bool result = false; unsafe { if (data.Length > 0) { fixed(byte *p = data) { marker = new FPixbufJpegMarker [1]; marker [0].type = 0xe1; // APP1 marker marker [0].data = p; marker [0].length = data.Length; result = f_pixbuf_save_jpeg(pixbuf.Handle, path, quality, marker, marker.Length); } } else { result = f_pixbuf_save_jpeg(pixbuf.Handle, path, quality, marker, marker.Length); } } if (temp != null) { temp.Dispose(); } if (result == false) { throw new System.Exception("Error Saving File"); } }