(PECL imagick 2.0.0)
ImagickDraw::setFontFamily — Sets the font family to use when annotating with text
$font_family
   )This function is currently not documented; only its argument list is available.
Sets the font family to use when annotating with text.
font_familythe font family
   Returns TRUE on success.
  
Example #1 ImagickDraw::setFontFamily()
<?php
function setFontFamily($fillColor, $strokeColor, $backgroundColor) {
    $draw = new \ImagickDraw();
    $strokeColor = new \ImagickPixel($strokeColor);
    $fillColor = new \ImagickPixel($fillColor);
    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $draw->setStrokeWidth(2);
    $draw->setFontSize(48);
    $draw->setFontFamily("Times");
    $draw->annotation(50, 50, "Lorem Ipsum!");
    $draw->setFontFamily("AvantGarde");
    $draw->annotation(50, 100, "Lorem Ipsum!");
    $draw->setFontFamily("NewCenturySchlbk");    
    $draw->annotation(50, 150, "Lorem Ipsum!");
    $draw->setFontFamily("Palatino");
    $draw->annotation(50, 200, "Lorem Ipsum!");
    $imagick = new \Imagick();
    $imagick->newImage(450, 250, $backgroundColor);
    $imagick->setImageFormat("png");
    $imagick->drawImage($draw);
    header("Content-Type: image/png");
    echo $imagick->getImageBlob();
}
?>