ImagickDraw::setFillAlpha

(PECL imagick 2, PECL imagick 3)

ImagickDraw::setFillAlpha — Sets the opacity to use when drawing using the fill color or fill texture

Description

public ImagickDraw::setFillAlpha(float $alpha): bool

Warning

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.

Parameters

alpha: fill alpha

Return Values

No value is returned.

Examples

Example #1 ImagickDraw::setFillAlpha() example

<?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();
}

?>