+ public function resize_image($image, $width)
+ {
+ // if thumbnail already exists, don't recreate it
+ if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
+ return;
+
+ $src_img = @imagecreatefromjpeg($image);
+
+ if($src_img)
+ {
+ /* grabs the height and width */
+ $new_w = imagesx($src_img);
+ $new_h = imagesy($src_img);
+
+ // If requested width is more then the actual image width,
+ // do not generate a thumbnail
+
+ if($width >= $new_w) {
+ imagedestroy($src_img);
+ return;
+ }
+
+ /* calculates aspect ratio */
+ $aspect_ratio = $new_h / $new_w;
+
+ /* sets new size */
+ $new_w = $width;
+ $new_h = abs($new_w * $aspect_ratio);
+
+ /* creates new image of that size */
+ $dst_img = imagecreatetruecolor($new_w,$new_h);
+
+ imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
+
+ /* copies resized portion of original image into new image */
+ imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
+
+ /* write down new generated file */
+
+ if(!file_exists(dirname($image) ."/thumbs"))
+ mkdir(dirname($image) ."/thumbs");
+
+ $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
+ imagejpeg($dst_img, $newfile, 75);
+
+ /* free your mind */
+ imagedestroy($dst_img);
+ imagedestroy($src_img);
+ }
+
+ } // resize_image()
+