From 19734eb470f76e4f79a83e6af19c54d00c884630 Mon Sep 17 00:00:00 2001
From: alopexc0de <davitodd@gmail.com>
Date: Mon, 18 Feb 2013 19:07:09 -0500
Subject: [PATCH] automatic thumbnails on upload - dropped bmp support

---
 img/helper.genthumb.php | 62 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 59 insertions(+), 3 deletions(-)

diff --git a/img/helper.genthumb.php b/img/helper.genthumb.php
index cd35d31..85b3a37 100644
--- a/img/helper.genthumb.php
+++ b/img/helper.genthumb.php
@@ -3,13 +3,69 @@
 	/*------------------------------------------
 	 * 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)
 	 *------------------------------------------
 	 */
 
-	function genthumb($input){
-		echo "Placeholder for automatic 100x100px thumbnail generation of new pictures<br />\n";
+	function genthumb($imageName){
+		//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);
 	}
 
 ?>
\ No newline at end of file