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<?
// thumb.phpinc
//$f_dirCurrent = formValue('dirCurrent');
//$f_image = formValue('image');
$f_dirCurrent = $_GET['f_dirCurrent'];
$f_image = $_GET['f_image'];
//$width = 100;
$height = 50;
if ($f_image != "") {
$fn = $f_dirCurrent.$f_image;
list($filename, $fileext) = explode(".", $f_image);
//echo "\$f_image=".$f_image."<br>\n";
//echo "\$filename=".$filename."<br>\n";
//echo "\$fileext=".$fileext."<br>\n";
//echo "\$fn=".$fn."<br>\n";
//exit;
if (false !== (list($ws,$hs) = @getimagesize($fn))) {
if (isset($width) && ("" != $width)) {
$ratio = ((float)$width) / $ws;
} elseif(isset($height) && ("" != $height)) {
$ratio = ((float)$height) / $hs;
}
if(isset($ratio)){
$wt = $ws * $ratio;
$ht = $hs * $ratio;
$thumb = imagecreatetruecolor($wt,$ht);
switch ($fileext) {
case 'bmp':
$source = imagecreatefromwbmp($fn);
imagecopyresampled($thumb,$source,0,0,0,0,$wt,$ht,$ws,$hs);
header('Content-type: image/bmp');
imagewbmp($thumb);
break;
case 'gif':
$source = imagecreatefromgif($fn);
imagecopyresampled($thumb,$source,0,0,0,0,$wt,$ht,$ws,$hs);
header('Content-type: image/gif');
imagegif($thumb);
break;
case 'jpeg':
case 'jpg':
$source = imagecreatefromjpeg($fn);
imagecopyresampled($thumb,$source,0,0,0,0,$wt,$ht,$ws,$hs);
header('Content-type: image/jpeg');
imagejpeg($thumb);
break;
case 'png':
$source = imagecreatefrompng($fn);
imagecopyresampled($thumb,$source,0,0,0,0,$wt,$ht,$ws,$hs);
header('Content-type: image/png');
imagepng($thumb);
break;
case 'xbm':
$source = imagecreatefromxbm($fn);
imagecopyresampled($thumb,$source,0,0,0,0,$wt,$ht,$ws,$hs);
header('Content-type: image/xbm');
imagexbm($thumb);
break;
case 'xpm':
$source = imagecreatefromxpm($fn);
imagecopyresampled($thumb,$source,0,0,0,0,$wt,$ht,$ws,$hs);
header('Content-type: image/xpm');
imagexbm($thumb);
break;
default:
echo "File $f_image of type <b>$fileext</b>. This is not a valid file type.<br>\n";
exit;
}
imagedestroy($thumb);
}
}
}
?>