protected override bool OnDrawn(Cairo.Context cc)
{
if (!IsRealized)
{
return(false);
}
int w, h, nw, nh;
double x = 0, y = 0;
CairoContextEx cr = new CairoContextEx(cc.Handle);
cr.PangoFontDescription = PangoContext.FontDescription;
w = Window.Width;
h = Window.Height;
nh = nw = Math.Min(w, h);
if (nw < w)
{
x = (w - nw) / 2d;
}
if (nh < h)
{
y = (h - nh) / 2d;
}
cr.Translate(x, y);
cr.Scale(nw, nh);
view.Draw(cr, nw, nh, Direction == Gtk.TextDirection.Rtl);
((IDisposable)cr).Dispose();
return(true);
}
protected override bool OnExposeEvent(Gdk.EventExpose args)
{
if (!IsRealized)
{
return(false);
}
int w, h, nw, nh;
double x = 0, y = 0;
Cairo.Context cc = Gdk.CairoHelper.Create(args.Window);
CairoContextEx cr = new CairoContextEx(cc.Handle, this);
args.Window.GetSize(out w, out h);
nh = nw = Math.Min(w, h);
if (nw < w)
{
x = (w - nw) / 2d;
}
if (nh < h)
{
y = (h - nh) / 2d;
}
cr.Translate(x, y);
cr.Scale(nw, nh);
view.Draw(cr, nw, nh, Direction == Gtk.TextDirection.Rtl);
((IDisposable)cc).Dispose();
((IDisposable)cr).Dispose();
return(base.OnExposeEvent(args));
}