func (c *canvas) DrawRoundedRect(r math.Rect, tl, tr, bl, br float32, pen gxui.Pen, brush gxui.Brush) {
if tl == 0 && tr == 0 && bl == 0 && br == 0 && pen.Color.A == 0 {
c.DrawRect(r, brush)
return
}
p := gxui.Polygon{
gxui.PolygonVertex{Position: r.TL(), RoundedRadius: tl},
gxui.PolygonVertex{Position: r.TR(), RoundedRadius: tr},
gxui.PolygonVertex{Position: r.BR(), RoundedRadius: br},
gxui.PolygonVertex{Position: r.BL(), RoundedRadius: bl},
}
c.DrawPolygon(p, pen, brush)
}
