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Set color value

← setColorFromPixel   setColorValueQuantum →
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.


function setColorValue()
    $image = new \Imagick();
    $draw = new \ImagickDraw();

    $color = new \ImagickPixel('blue');
    $color->setcolorValue(\Imagick::COLOR_RED, 128);

    $draw->rectangle(200, 200, 300, 300);

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

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