public virtual void Render(Cairo.Context cr)
{
double opacity = Opacity;
if (ContentAllocation.Width <= 0 || ContentAllocation.Height <= 0 || opacity <= 0)
{
return;
}
cr.Save();
if (opacity < 1.0)
{
cr.PushGroup();
}
MarginStyle margin_style = MarginStyle;
if (margin_style != null && margin_style != MarginStyle.None)
{
cr.Translate(Math.Round(Allocation.X), Math.Round(Allocation.Y));
cr.Save();
margin_style.Apply(this, cr);
cr.Restore();
cr.Translate(Math.Round(Margin.Left), Math.Round(Margin.Top));
}
else
{
cr.Translate(Math.Round(ContentAllocation.X), Math.Round(ContentAllocation.Y));
}
cr.Antialias = Cairo.Antialias.Default;
ClippedRender(cr);
if (opacity < 1.0)
{
cr.PopGroupToSource();
cr.PaintWithAlpha(Opacity);
}
cr.Restore();
}