[Gtk-sharp-list] Getting frames from a GIF animation

Doug Blank doug.blank at gmail.com
Thu Apr 11 01:58:24 UTC 2013

I couldn't figure out how to access the data through Gtk#, so I got
the data through System.Drawing:

public static List loadPictures (string filename)
   List list = new List();
   System.Drawing.Bitmap image =
   System.Drawing.Imaging.FrameDimension dimension = new
   int frame_count = image.GetFrameCount(dimension);
   for (int i=0; i < frame_count; i++) {
      image.SelectActiveFrame(dimension, i);
      list.append( new Graphics.Picture(image));
   return list;


On Wed, Apr 10, 2013 at 1:41 PM, Doug Blank <doug.blank at gmail.com> wrote:
> Gtk-sharp List,
> I can use the Gtk# interface to get the frames of a gif animation
> based on time, like the following IronPython code shows:
> image = Gtk.Image(filename)
> if image.Animation:
>     if not image.Animation.IsStaticImage:
>         iter = image.Animation.GetIter(System.IntPtr.Zero)
>         while iter.DelayTime > -1:
>             pixbuf = iter.Pixbuf
>             ## do something with pixbuf
>             iter.Advance(System.IntPtr.Zero) ## advance to current time
> But, can I actually get the actual individual *frames* from the gif
> file? That is, I can use this interface to step through time getting
> the appropriate image for the specified time, but if an animated gif
> has 7 gifs in it, is there a direct way to just get the 7 pixbufs?
> Thanks for any pointers,
> -Doug

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