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automatic thumbnails on upload - dropped bmp support

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alopexc0de 2013-02-18 19:07:09 -05:00
parent e9d7968a5a
commit 19734eb470
1 changed files with 59 additions and 3 deletions
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62
img/helper.genthumb.php
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@ -3,13 +3,69 @@
/*------------------------------------------ /*------------------------------------------
* Helper.GenThumb.php - Function for generating thumbnails on upload * Helper.GenThumb.php - Function for generating thumbnails on upload
* *
* Copyright (c) 2013 David Todd(c0de) of http://www.unps-gama.info and http://unps.us * Copyright (c) 2013 David Todd (c0de) of http://www.unps-gama.info and http://unps.us
* for use with the image host (http://img.unps-gama.info) * for use with the image host (http://img.unps-gama.info)
*------------------------------------------ *------------------------------------------
*/ */
function genthumb($input){ function genthumb($imageName){
echo "Placeholder for automatic 100x100px thumbnail generation of new pictures<br />\n"; //echo "Placeholder for automatic 100x100px thumbnail generation of new pictures<br />\n";
$nw = 100;
$nh = 100;
$source = "Pictures/".$imageName;
$dest = "thumbs/".$imageName;
$stype = explode(".", $source);
$stype = $stype[count($stype)-1];
$size = getimagesize($source);
$w = $size[0];
$h = $size[1];
switch($stype) {
case 'gif':
$simg = imagecreatefromgif($source);
break;
case 'jpg':
$simg = imagecreatefromjpeg($source);
break;
case 'png':
$simg = imagecreatefrompng($source);
break;
}
$dimg = imagecreatetruecolor($nw, $nh);
$wm = $w/$nw;
$hm = $h/$nh;
$h_height = $nh/2;
$w_height = $nw/2;
if($w> $h){
$adjusted_width = $w / $hm;
$half_width = $adjusted_width / 2;
$int_width = $half_width - $w_height;
imagecopyresampled($dimg,$simg,-$int_width,0,0,0,$adjusted_width,$nh,$w,$h);
}elseif(($w <$h) || ($w == $h)){
$adjusted_height = $h / $wm;
$half_height = $adjusted_height / 2;
$int_height = $half_height - $h_height;
imagecopyresampled($dimg,$simg,0,-$int_height,0,0,$nw,$adjusted_height,$w,$h);
}else{
imagecopyresampled($dimg,$simg,0,0,0,0,$nw,$nh,$w,$h);
}
switch($stype) {
case 'gif':
imagegif($dimg,$dest,100);
break;
case 'jpg':
imagejpeg($dimg,$dest,100);
break;
case 'png':
imagepng($dimg,$dest,9);
break;
}
//imagejpeg($dimg,$dest,100);
} }
?> ?>