GoLang ImagickPixel::setColorValueQuantum

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PHP ImagickPixel::setColorValueQuantum

PHP original manual for ImagickPixel::setColorValueQuantum [ show | php.net ]

ImagickPixel::setColorValueQuantum

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ImagickPixel::setColorValueQuantum — Description

Description

public bool ImagickPixel::setColorValueQuantum ( int $color , number $value )

Sets the quantum value of a color element of the ImagickPixel.

Warning

This function is currently not documented; only its argument list is available.

Parameters

color

Which color element to set e.g. \Imagick::COLOR_GREEN.

value

The quantum value to set the color element to. This should be a float if ImageMagick was compiled with HDRI otherwise an int in the range 0 to Imagick::getQuantum().

Return Values

Returns TRUE on success.

Examples

Example #1 ImagickPixel::setColorValueQuantum()

<?php
function setColorValueQuantum() {
    $image = new \Imagick();

    $quantumRange = $image->getQuantumRange();

    $draw = new \ImagickDraw();
    $color = new \ImagickPixel('blue');
    $color->setcolorValueQuantum(\Imagick::COLOR_RED, 128 * $quantumRange['quantumRangeLong'] / 256);

    $draw->setstrokewidth(1.0);
    $draw->setStrokeColor($color);
    $draw->setFillColor($color);
    $draw->rectangle(200, 200, 300, 300);

    $image->newImage(500, 500, "SteelBlue2");
    $image->setImageFormat("png");

    $image->drawImage($draw);

    header("Content-Type: image/png");
    echo $image->getImageBlob();
}

?>