ImagickDraw::pathEllipticArcAbsolute
(No version information available, might be only in CVS)
ImagickDraw::pathEllipticArcAbsolute — Draws an elliptical arc
说明
本函数暂无文档，仅有参数列表。
本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。
Draws an elliptical arc from the current point to (x, y) using absolute coordinates. The size and orientation of the ellipse are defined by two radii (rx, ry) and an xAxisRotation, which indicates how the ellipse as a whole is rotated relative to the current coordinate system. The center (cx, cy) of the ellipse is calculated automatically to satisfy the constraints imposed by the other parameters. largeArcFlag and sweepFlag contribute to the automatic calculations and help determine how the arc is drawn. If largeArcFlag is true then draw the larger of the available arcs. If sweepFlag is true, then draw the arc matching a clock-wise rotation.
参数
- rx
-
x radius
- ry
-
y radius
- x_axis_rotation
-
x axis rotation
- large_arc_flag
-
large arc flag
- sweep_flag
-
sweep flag
- x
-
x coordinate
- y
-
y coordinate
返回值
无返回值。