public function setFont($value, $size)
{
$this->font = $value;
$this->fontSize = $size;
$this->stringCommands .= "/" . $value . " findfont % Get the basic font\n";
$this->stringCommands .= "" . $size . " scalefont % Scale the font to {$size} points\n";
$this->stringCommands .= "setfont % Make it the current font\n";
}