/**
  * Note: the koefficient is just a magic number; I'll need to examine the
  * imagefttext behavior more closely
  */
 function stringwidth($string, $name, $encoding, $size)
 {
     $font = $this->_font_factory->getTrueType($name, $encoding);
     return Font::points($size, $font->stringwidth($string)) * 1.25;
 }
 function _show_linethrough($x, $y, $width, $height)
 {
     $up = Font::points($this->fontsize, $this->currentfont->linethrough_position());
     $ut = Font::points($this->fontsize, $this->currentfont->underline_thickness());
     $this->_show_line($x, $y, $width, $height, $up, $ut);
 }