(PECL imagick 2, PECL imagick 3)
ImagickPixel::getColor — Returns the color
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.
normalized
Normalize the color values. Possible values are 0,
1 or 2.
normalized |
Description |
|---|---|
0
|
The RGB values are returned as ints in the range 0
to 255 (inclusive.)
The alpha value is returned as int and is either 0
or 1.
|
1
|
The RGBA values are returned as floats in the range 0
to 1 (inclusive.)
|
2
|
The RGBA values are returned as ints in the range 0
to 255 (inclusive.)
|
An array of channel values. Throws ImagickPixelException on error.
示例 #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 = $color->getColor(1);
echo "Normalized values:".PHP_EOL;
print_r($colorInfo);
?>以上示例会输出：
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
)