Function SplitVertical

vg/draw/split_vertical_test.go:15–17

SplitVertical returns the lower and upper portions of c after splitting it along a horizontal line distance y from the bottom of c.

(c draw.Canvas, y vg.Length)

// splitting it along a horizontal line distance y from the
// bottom of c.
func SplitVertical(c draw.Canvas, y vg.Length) (lower, upper draw.Canvas) {
	return draw.Crop(c, 0, 0, 0, c.Min.Y-c.Max.Y+y), draw.Crop(c, 0, 0, y, 0)
}