ImagickPixel::getColor

(PECL imagick 2.0.0)

ImagickPixel::getColor — Returns the color

说明

ImagickPixel::getColor ([ int $normalized = 0 ] ) : array

Returns the color described by the ImagickPixel object, as an array. If the color has an opacity channel set, this is provided as a fourth value in the list.

参数

normalized: Normalize the color values

返回值

An array of channel values, each normalized if TRUE is given as param. Throws ImagickPixelException on error.

范例

Example #1 Basic Imagick::getColor() usage


<?php

//Create an ImagickPixel with the predefined color 'brown'
$color = new ImagickPixel('brown');

//Set the color to have an alpha of 25%
$color->setColorValue(Imagick::COLOR_ALPHA, 64 / 256.0);

$colorInfo = $color->getColor();

echo "Standard values".PHP_EOL;
print_r($colorInfo);

$colorInfo = $color->getColor(true);

echo "Normalized values:".PHP_EOL;
print_r($colorInfo);

?>

以上例程会输出：

Standard values
Array
(
    [r] => 165
    [g] => 42
    [b] => 42
    [a] => 0
)
Normalized values:
Array
(
    [r] => 0.64705882352941
    [g] => 0.16470588235294
    [b] => 0.16470588235294
    [a] => 0.25000381475547
)