(PECL imagick 2, PECL imagick 3)
ImagickDraw::pathCurveToQuadraticBezierRelative — Draws a quadratic Bezier curve
$x1,$y1,$x,$y本函数还未编写文档，仅有参数列表。
Draws a quadratic Bezier curve from the current point to (x,y) using (x1,y1) as the control point using relative coordinates. At the end of the command, the new current point becomes the final (x,y) coordinate pair used in the polybezier.
x1starting x coordinate
y1starting y coordinate
xending x coordinate
yending y coordinate
没有返回值。