ImagickPixel::getColor

(PECL imagick 2.0.0)

ImagickPixel::getColorReturns 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_ALPHA64 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
)