(PECL imagick 2.0.0)
ImagickDraw::setFont — Sets the fully-specified font to use when annotating with text
$font_name
   )This function is currently not documented; only its argument list is available.
Sets the fully-specified font to use when annotating with text.
font_name
   Returns TRUE on success.
  
Example #1 ImagickDraw::setFont()
<?php
function setFont($fillColor, $strokeColor, $backgroundColor) {
    $draw = new \ImagickDraw();
    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $draw->setStrokeWidth(2);
    $draw->setFontSize(36);
    $draw->setFont("../fonts/Arial.ttf");
    $draw->annotation(50, 50, "Lorem Ipsum!");
    $draw->setFont("../fonts/Consolas.ttf");
    $draw->annotation(50, 100, "Lorem Ipsum!");
    $draw->setFont("../fonts/CANDY.TTF");
    $draw->annotation(50, 150, "Lorem Ipsum!");
    $draw->setFont("../fonts/Inconsolata-dz.otf");
    $draw->annotation(50, 200, "Lorem Ipsum!");
    $imagick = new \Imagick();
    $imagick->newImage(500, 300, $backgroundColor);
    $imagick->setImageFormat("png");
    $imagick->drawImage($draw);
    header("Content-Type: image/png");
    echo $imagick->getImageBlob();
}
?>