Example

function setFontStretch($fillColor, $strokeColor, $backgroundColor)
{
    $draw = new \ImagickDraw();

//    $draw->setFont(__DIR__ . "/../../../fonts/Arial.ttf");
    $draw->setFont(__DIR__ . "/../../../fonts/ReadexPro-VariableFont_wght.ttf");
    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $draw->setStrokeWidth(2);
    $draw->setFontSize(36);

    $fontStretchTypes = [
        \Imagick::STRETCH_ULTRACONDENSED,
        \Imagick::STRETCH_CONDENSED,
        \Imagick::STRETCH_SEMICONDENSED,
        \Imagick::STRETCH_SEMIEXPANDED,
        \Imagick::STRETCH_EXPANDED,
        \Imagick::STRETCH_EXTRAEXPANDED,
        \Imagick::STRETCH_ULTRAEXPANDED,
        \Imagick::STRETCH_ANY
    ];

    $offset = 0;
    foreach ($fontStretchTypes as $fontStretch) {
        $draw->setFontStretch($fontStretch);
        $draw->annotation(50, 75 + $offset, "Lorem Ipsum!");
        $offset += 50;
    }

    $imagick = new \Imagick();
    $imagick->newImage(500, 500, $backgroundColor);
    $imagick->setImageFormat("png");
    $imagick->drawImage($draw);

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