ImagickPixel::setColorValue

Sets the normalized value of one of the channels

&reftitle.description; public `bool` `ImagickPixel::setColorValue` `int` `color` `float` `value`

Sets the value of the specified channel of this object to the provided value, which should be between 0 and 1. This function can be used to provide an opacity channel to an ImagickPixel object.

&reftitle.parameters;

`color`

- One of the Imagick color constants e.g. \Imagick::COLOR_GREEN or \Imagick::COLOR_ALPHA.

`value`

- The value to set this channel to, ranging from 0 to 1.

&reftitle.returnvalues;

&imagick.return.success;

&reftitle.examples;

### Basic `Imagick::setColorValue` usage

    <?php

    $color  = new \ImagickPixel('firebrick');

    $color->setColorValue(Imagick::COLOR_ALPHA, 0.5);

    print_r($color->getcolor(true));
    ?>

&example.outputs;

    Array
    (
        [r] => 0.69803921568627
        [g] => 0.13333333333333
        [b] => 0.13333333333333
        [a] => 0.50000762951095
    )