Method CubeTo

path.go:473–491

CubeTo adds a cubic Bézier path with control points (cpx1,cpy1) and (cpx2,cpy2) and end point (x,y).

(cpx1, cpy1, cpx2, cpy2, x, y float64)

// CubeTo adds a cubic Bézier path with control points (cpx1,cpy1) and (cpx2,cpy2) and end point (x,y).
func (p *Path) CubeTo(cpx1, cpy1, cpx2, cpy2, x, y float64) {
	start := p.Pos()
	cp1 := Point{cpx1, cpy1}
	cp2 := Point{cpx2, cpy2}
	end := Point{x, y}
	if start.Equals(end) && start.Equals(cp1) && start.Equals(cp2) {
		return
	} else if !start.Equals(end) && (start.Equals(cp1) || end.Equals(cp1) || angleEqual(end.Sub(start).AngleBetween(cp1.Sub(start)), 0.0) && angleEqual(end.Sub(start).AngleBetween(end.Sub(cp1)), 0.0)) && (start.Equals(cp2) || end.Equals(cp2) || angleEqual(end.Sub(start).AngleBetween(cp2.Sub(start)), 0.0) && angleEqual(end.Sub(start).AngleBetween(end.Sub(cp2)), 0.0)) {
		p.LineTo(end.X, end.Y)
		return
	}

	if len(p.d) == 0 {
		p.MoveTo(0.0, 0.0)
	} else if p.d[len(p.d)-1] == CloseCmd {
		p.MoveTo(p.d[len(p.d)-3], p.d[len(p.d)-2])
	}
	p.d = append(p.d, CubeToCmd, cp1.X, cp1.Y, cp2.X, cp2.Y, end.X, end.Y, CubeToCmd)
}

// ArcTo adds an arc with radii rx and ry, with rot the counter clockwise rotation with respect to the coordinate system in degrees, large and sweep booleans (see https://developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Arcs), and (x,y) the end position of the pen. The start position of the pen was given by a previous command's end point.
func (p *Path) ArcTo(rx, ry, rot float64, large, sweep bool, x, y float64) {