ImagickPixel::__construct

(PECL imagick 2, PECL imagick 3)

ImagickPixel::__constructThe ImagickPixel constructor

Descrizione

public ImagickPixel::__construct(string $color = ?)
Avviso

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

Constructs an ImagickPixel object. If a color is specified, the object is constructed and then initialised with that color before being returned.

Elenco dei parametri

color

The optional color string to use as the initial value of this object.

Valori restituiti

Returns an ImagickPixel object on success, throwing ImagickPixelException on failure.

Esempi

Example #1 ImagickPixel::construct()

<?php
function construct() {

$columns = 4;

$exampleColors = array(
"rgba(100%, 0%, 0%, 0.5)",
"hsb(33.3333%, 100%, 75%)", // medium green
"hsl(120, 255, 191.25)", //medium green
"graya(50%, 0.5)", // semi-transparent mid gray
"LightCoral", "none", //"cmyk(0.9, 0.48, 0.83, 0.50)",
"#f00", // #rgb
"#ff0000", // #rrggbb
"#ff0000ff", // #rrggbbaa
"#ffff00000000", // #rrrrggggbbbb
"#ffff00000000ffff", // #rrrrggggbbbbaaaa
"rgb(255, 0, 0)", // an integer in the range 0—255 for each component
"rgb(100.0%, 0.0%, 0.0%)", // a float in the range 0—100% for each component
"rgb(255, 0, 0)", // range 0 - 255
"rgba(255, 0, 0, 1.0)", // the same, with an explicit alpha value
"rgb(100%, 0%, 0%)", // range 0.0% - 100.0%
"rgba(100%, 0%, 0%, 1.0)", // the same, with an explicit alpha value
);

$draw = new \ImagickDraw();
$count = 0;
$black = new \ImagickPixel('rgb(0, 0, 0)');

foreach (
$exampleColors as $exampleColor) {
$color = new \ImagickPixel($exampleColor);

$draw->setstrokewidth(1.0);
$draw->setStrokeColor($black);
$draw->setFillColor($color);
$offsetX = ($count % $columns) * 50 + 5;
$offsetY = intval($count / $columns) * 50 + 5;
$draw->rectangle(0 + $offsetX, 0 + $offsetY, 40 + $offsetX, 40 + $offsetY);
$count++;
}

$image = new \Imagick();
$image->newImage(350, 350, "blue");
$image->setImageFormat("png");
$image->drawImage($draw);
header("Content-Type: image/png");
echo
$image->getImageBlob();
}

?>

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