public Gdk.PixbufAnimationIter GetIter(IntPtr start_time)
{
IntPtr raw_ret = gdk_pixbuf_animation_get_iter(Handle, start_time);
Gdk.PixbufAnimationIter ret = GLib.Object.GetObject(raw_ret) as Gdk.PixbufAnimationIter;
return(ret);
}
private void UpdateImage(bool forceUpdate)
{
if (this.image == null || this.image.Anim == null)
{
return;
}
Gdk.PixbufAnimation animation;
animation = this.image.Anim;
//
if (this.areaSize.X <= 2 || this.areaSize.Y <= 2)
{
return;
}
Gdk.Pixbuf unscaledPixBuf = null;
bool newAnimFrame = false;
if (animation.IsStaticImage)
{
if (forceUpdate)
{
unscaledPixBuf = animation.StaticImage;
}
}
else
{
if (this.animIter == null)
{
animIter = animation.GetIter(IntPtr.Zero);
}
if (animIter != null && animIter.Advance(IntPtr.Zero))
{
unscaledPixBuf = animIter.Pixbuf;
newAnimFrame = true;
}
}
var imageSize = new Cairo.PointD(animation.Width, animation.Height);
if (imageSize.X <= 2 || imageSize.Y <= 2)
{
return;
}
// scale preserving aspect ratio
var scale = Math.Min(this.areaSize.X / imageSize.X, this.areaSize.Y / imageSize.Y);
var scaledImageSize = new Cairo.PointD(imageSize.X * scale, imageSize.Y * scale);
if (unscaledPixBuf == null)
{
return;
}
if (newAnimFrame || unscaledPixBuf != this.unscaledPixBuf || scaledImageSize.X != this.scaledImageSize.X || scaledImageSize.Y != this.scaledImageSize.Y)
{
if (this.ScaledPixbuf != null)
{
this.ScaledPixbuf.Dispose();
}
Gdk.Pixbuf scaledPixBuf = unscaledPixBuf.ScaleSimple((int)scaledImageSize.X, (int)scaledImageSize.Y, Gdk.InterpType.Hyper);
this.ScaledPixbuf = scaledPixBuf;
this.scaledImageSize = scaledImageSize;
this.unscaledPixBuf = unscaledPixBuf;
}
// where to draw the pixbuf
this.TargetRect = new Cairo.Rectangle(
(this.areaSize.X - this.scaledImageSize.X) / 2,
(this.areaSize.Y - this.scaledImageSize.Y) / 2,
this.scaledImageSize.X,
this.scaledImageSize.Y
);
this.QueueFrame();
}
public CellRendererCertificate()
{
anim = new Gdk.PixbufAnimation(ECM.Core.LoadingSpinnerGIF);
animIter = anim.GetIter(IntPtr.Zero);
}
