// TTF Font families
DEFINE("FF_COURIER",10);
DEFINE("FF_VERDANA",11);
DEFINE("FF_TIMES",12);
DEFINE("FF_HANDWRT",13);
DEFINE("FF_COMIC",14);
DEFINE("FF_ARIAL",15);
DEFINE("FF_BOOK",16);
DEFINE("FF_GULIM",17);

..

class TTF {
var $font_fam;
//---------------
// CONSTRUCTOR
function TTF() {
    // Base file names for available fonts
    $this->font_fam=array(
     FF_COURIER => TTF_DIR."courier",
     FF_VERDANA => TTF_DIR."verdana",
     FF_TIMES => TTF_DIR."times",
     FF_HANDWRT => TTF_DIR."handwriting",
     FF_COMIC => TTF_DIR."comic",
     FF_ARIAL => TTF_DIR."arial",
     FF_BOOK => TTF_DIR."bookant",
     FF_GULIM => TTF_DIR."gulim");
}

// Create the TTF file from the font specification
function File($fam,$style=FS_NORMAL) {
    $f=$this->font_fam[$fam];
    if( !$f ) JpGraphError::Raise("<b>JpGraph Error:</b> Unknown TTF font family.");
    switch( $style ) {
     case FS_NORMAL:
        break;
//     case FS_BOLD: $f .= "bd";
//        break;
//     case FS_ITALIC: $f .= "i";
//        break;
//     case FS_BOLDIT: $f .= "bi";
//        break;
//     default:
//        JpGraphError::Raise("<b>JpGraph Error:</b> Unknown TTF Style.");
    }

function StrokeText($x,$y,$txt,$dir=0,$paragraph_align) {

    $txt = mb_convert_encoding($txt, 'UTF-8', 'EUC-KR');

    // Do special language encoding
    if( LANGUAGE_CYRILLIC )
     $txt = LanguageConv::ToCyrillic($txt);

        }
     }
    }
    elseif($this->font_family >= FF_COURIER && $this->font_family <= FF_GULIM) { // TTF font
     $file = $this->ttf->File($this->font_family,$this->font_style);
     $angle=$dir;
     $bbox=ImageTTFBBox($this->font_size,$angle,$file,$txt);

// check to see if the TTF file is available or not
//$ttf_font = TTF_DIR."verdana.ttf";
$ttf_font = TTF_DIR . "gulim.ttf";
if (!@file_exists($ttf_font)) {
$font = FF_FONT1;
} else {
//$font = FF_VERDANA;
$font = FF_GULIM;
}

// Legends
$p1->SetLegends($labels);
$graph->legend->SetFont($font, 0, 9);
$graph->legend->Pos(0.06,0.27);