private void JudgePostion()
{
if (XwtImage != null)
{
var pixbuf = XwtImage.GetPixbuf();
var w = ShowPaned.Child.Allocation.Right - 2 * ImageBorder;
var h = ShowPaned.Child.Allocation.Height - expanderHeight - 2 * ImageBorder;
double scalespanh = (double)h / (double)pixbuf.Height;
double scalespanw = (double)w / (double)pixbuf.Width;
double scalespan = scalespanh < scalespanw ? scalespanh : scalespanw;
var width = (int)(pixbuf.Width * scalespan);
width = width > (int)(pixbuf.Width * scalespan) ? width : (int)(pixbuf.Width * scalespan);
var heigth = (int)(pixbuf.Height * scalespan);
heigth = heigth > (int)(pixbuf.Height * scalespan) ? heigth : (int)(pixbuf.Height * scalespan);
this.showImage.Pixbuf = pixbuf.ScaleSimple(width, heigth, Gdk.InterpType.Bilinear);
this.showImage.GrabFocus();
this.showImage.ShowNow();
this.showImage.ShowAll();
}
}
