ImagickDraw::setFillOpacity

(PECL imagick 2, PECL imagick 3)

ImagickDraw::setFillOpacitySets the opacity to use when drawing using the fill color or fill texture

Descrizione

public ImagickDraw::setFillOpacity(float $fillOpacity): bool
Avviso

Questa funzione, al momento non è documentata; è disponibile soltanto la lista degli argomenti.

Sets the opacity to use when drawing using the fill color or fill texture. Fully opaque is 1.0.

Elenco dei parametri

fillOpacity

the fill opacity

Valori restituiti

Nessun valore viene restituito.

Esempi

Example #1 ImagickDraw::setFillOpacity()

<?php
function setFillOpacity($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->setFillOpacity(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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Michael Voek
9 years ago
When fill color is changed, this is reset to 1.0 or to defined alpha with #aaxxx color format, where aa is alpha.
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