PHP5中文手册·Draws an elliptical arc -- 追寻梦想＞编程乐园＞PHP 编程

说明

bool ImagickDraw::pathEllipticArcAbsolute ( float $rx , float $ry , float $x_axis_rotation , bool $large_arc_flag , bool $sweep_flag , float $x , float $y )

Warning

本函数暂无文档，仅有参数列表。

Warning

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。


	PHP5中文手册 ImagickDraw::pathCurveToSmoothRelative ImagickDraw::pathEllipticArcRelative Imagick Image Library PHP Manual ImagickDraw::pathEllipticArcAbsolute (No version information available, might be only in CVS) ImagickDraw::pathEllipticArcAbsolute — Draws an elliptical arc 说明 bool ImagickDraw::pathEllipticArcAbsolute ( float `$rx` , float `$ry` , float `$x_axis_rotation` , bool `$large_arc_flag` , bool `$sweep_flag` , float `$x` , float `$y` ) Warning 本函数暂无文档，仅有参数列表。 Warning 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。 ImagickDraw::pathCurveToSmoothRelative ImagickDraw::pathEllipticArcRelative Imagick Image Library PHP Manual