(PECL imagick 2, PECL imagick 3)
ImagickDraw::setFillAlpha — Sets the opacity to use when drawing using the fill color or fill texture
public ImagickDraw::setFillAlpha ( float $opacity ) : bool
This function is currently not documented; only its argument list is available.
Sets the opacity to use when drawing using the fill color or fill texture. Fully opaque is 1.0.
opacity
fill alpha
No value is returned.
Example #1 ImagickDraw::setFillAlpha()
<?php function setFillAlpha($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(); } ?>
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https://www.php.net/manual/en/imagickdraw.setfillalpha.php