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<?
function makethumb($pic,$breite,$hoehe){
$picinfo=getimagesize($pic);
if($picinfo[2]==1){
//Thumb aus Gif erstellen
@$oldpic=ImageCreateFromGif($pic);
@$newpic=ImageCreate($breite,$hoehe);
@ImageCopyResized($newpic,$oldpic,0,0,0,0,$breite,$hoehe,$picinfo[0],$picinfo[1]);
@ImageGif($newpic,"th_$pic");
@ImageDestroy($newpic);
}
elseif($picinfo[2]==2){
//Thumb aus Jpeg erstellen
$oldpic=ImageCreateFromJPEG($pic);
$newpic=ImageCreate($breite,$hoehe);
ImageCopyResized($newpic,$oldpic,0,0,0,0,$breite,$hoehe,$picinfo[0],$picinfo[1]);
ImageJPEG($newpic,"th_$pic");
ImageDestroy($newpic);
}
elseif($picinfo[2]==3){
//Thumb aus PNG erstellen
$oldpic=ImageCreateFromPNG($pic);
$newpic=ImageCreate($breite,$hoehe);
ImageCopyResized($newpic,$oldpic,0,0,0,0,$breite,$hoehe,$picinfo[0],$picinfo[1]);
ImagePNG($newpic,"th_$pic");
ImageDestroy($newpic);
}
}
?>