Php/docs/imagickdraw.setfillalpha
ImagickDraw::setFillAlpha
(PECL imagick 2, PECL imagick 3)
ImagickDraw::setFillAlpha — Sets the opacity to use when drawing using the fill color or fill texture
说明
public ImagickDraw::setFillAlpha
( float $opacity
) : bool
Warning 本函数还未编写文档，仅有参数列表。
Sets the opacity to use when drawing using the fill color or fill texture. Fully opaque is 1.0.
参数
opacity- fill alpha
返回值
没有返回值。
范例
Example #1 ImagickDraw::setFillAlpha()
<?phpfunction setFillAlpha($strokeColor, $fillColor, $backgroundColor) { $draw = new \ImagickDraw(); $draw->setStrokeColor($strokeColor); $draw->setFillColor($fillColor); $draw->setStrokeOpacity(1); $draw->setStrokeWidth(2); $draw->rectangle(100, 200, 200, 300); @$draw->setFillAlpha(0.4); $draw->rectangle(300, 200, 400, 300); $imagick = new \Imagick(); $imagick->newImage(500, 500, $backgroundColor); $imagick->setImageFormat("png"); $imagick->drawImage($draw); header("Content-Type: image/png"); echo $imagick->getImageBlob();}?>
