Php/docs/imagickdraw.setstrokealpha
ImagickDraw::setStrokeAlpha
(PECL imagick 2, PECL imagick 3)
ImagickDraw::setStrokeAlpha — Specifies the opacity of stroked object outlines
说明
public ImagickDraw::setStrokeAlpha
( float $opacity
) : bool
Warning 本函数还未编写文档，仅有参数列表。
Specifies the opacity of stroked object outlines.
参数
opacity- opacity
返回值
没有返回值。
范例
Example #1 ImagickDraw::setStrokeAlpha()
<?phpfunction setStrokeAlpha($strokeColor, $fillColor, $backgroundColor) { $draw = new \ImagickDraw(); $draw->setStrokeColor($strokeColor); $draw->setFillColor($fillColor); $draw->setStrokeWidth(4); $draw->line(100, 100, 400, 145); $draw->rectangle(100, 200, 225, 350); $draw->setStrokeOpacity(0.1); $draw->line(100, 120, 400, 165); $draw->rectangle(275, 200, 400, 350); $image = new \Imagick(); $image->newImage(500, 400, $backgroundColor); $image->setImageFormat("png"); $image->drawImage($draw); header("Content-Type: image/png"); echo $image->getImageBlob();}?>
