[PHP-DB] Imageresizing for giffiles

[Ruprecht Helms]

Hi,

here I've an example for dynamicly resizing jpg-files. How can do this
for gif-files? 

Regards,
Ruprecht

<?
mysql_connect("localhost","root");
        $result=mysql_db_query("chorportal","SELECT * FROM dirigent WHERE
ID='$chorid'");
        while ($row = mysql_fetch_object($result))
        {
                if (!$row->Foto)
                {
                        $source = imagecreatefrompng('leer.png');
                        $ctl = 1;
                }
                else
                {
                        $source = imagecreatefromjpeg($row->Foto);
                }
        }
$orig_width = imagesx($source);
$orig_height = imagesy($source);

$size_limit = 70;

if ($orig_height > $oirg_width)
        $scaledown = $orig_height;
else
        $scaledown = $orig_width;
$newscale = $size_limit / $scaledown;

$new_w = abs($orig_width * $newscale);
$new_h = abs($orig_height * $newscale);

$base_image = imageCreate($new_w, $new_h);

imagejpeg($base_image,'temp.jpg');
if ($ctl != 1)
{
        $image = imagecreatefromjpeg('temp.jpg');
        $imagetoresize = imagecreatefromjpeg('chor1_gr.jpg');

        
imagecopyresampled($image,$imagetoresize,0,0,0,0,$new_w,$new_h,$orig_width,$orig_height);
        imageJpeg($image,'chor.jpg',100);
        unlink('temp.jpg');

        echo "<img src='chor.jpg' >";
}
else
{
        echo "<img src='leer.png'>";
}
?>

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