随时给自己贴的图片加文字

<?

Header("Content-type:image/jpeg");

functionmakethumb($srcFile,$text,$size=12,$R=0,$G=0,$B=0){

if(!$text){

$text='welcomexs.net.ruxayle';

$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);

?>