Must be set after setStrokeColor().
Values between 0 (invisible) and 1.
ImagickDraw::setStrokeAlpha
(PECL imagick 2, PECL imagick 3)
ImagickDraw::setStrokeAlpha — Specifies the opacity of stroked object outlines
Descrizione
Avviso
Questa funzione, al momento non è documentata; è disponibile soltanto la lista degli argomenti.
Specifies the opacity of stroked object outlines.
Elenco dei parametri
-
opacity -
opacity
Valori restituiti
Nessun valore viene restituito.
Esempi
Example #1 ImagickDraw::setStrokeAlpha() example
<?php
function 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();
}
?>
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