bool ImagickDraw::pathCurveToRelative    ( float $x1   , float $y1   , float $x2   , float $y2   , float $x   , float $y   )

ImagickDraw::pathCurveToRelativeDraws a cubic Bezier curve

x1

x coordinate of starting control point

y1

y coordinate of starting control point

x2

x coordinate of ending control point

y2

y coordinate of ending control point

x

ending x coordinate

y

ending y coordinate