functionmakethumb($srcFile,$text,$size=12,$R=0,$G=0,$B=0){
if(!$text){
$text=''welcometoimbbs.cn'';
$size=20;
$R=255;
}
$data=GetImageSize($srcFile,&$info);
switch($data[2]){
case1://图片类型，1是GIF图
$im=@ImageCreateFromGIF($srcFile);
break;
case2://图片类型，2是JPG图
$im=@imagecreatefromjpeg($srcFile);
break;
case3://图片类型，3是PNG图
$im=@ImageCreateFromPNG($srcFile);
break;
}
$srcW=ImageSX($im);
$srcH=ImageSY($im);
$ni=imagecreatetruecolor($srcW,$srcH);
imagecopyresampled($ni,$im,0,0,0,0,$srcW,$srcH,$srcW,$srcH);
$font="2.ttf";
$textcolor=imagecolorallocate($ni,$R,$G,$B);//Settextcolor
$i=0;
$txt='''';
$len=ceil((12*22)/$size);
$lgg=ceil(($size*16)/12)-1;
while(strlen($txt)>0||!$i){
$start=$len*$i;
$kk=ceil($size*13/12);
//$kk=13;
$txt=substr($text,$start,$len);
$hei=$i*$lgg+$kk;
imagettftext($ni,$size,0,8,$hei,$textcolor,$font,$txt);//Writethetextwithafont
$i++;
}
ImageJpeg($ni);
}
if(!$size||$size<1)$size=12;
makethumb("face.jpg",$text,$size,$R,$G,$B);
?>
