<?php function createThumbnail($fileSrc,$thumbDest,$thumb_width,$thumb_height){ $ext=strtolower(substr($fileSrc,strrpos($fileSrc,"."))); if($ext==".png"){ @$base_img = ImageCreateFromPNG($fileSrc); }else if(($ext==".jpeg") || ($ext == ".jpg")){ @$base_img = ImageCreateFromJPEG($fileSrc); }else if(($ext == ".gif")){ @$base_img = imagecreatefromgif($fileSrc); } if(!$base_img) return false; $img_width = imagesx($base_img); $img_height = imagesy($base_img); if($thumb_width <= $thumb_height){ $size_percent = intval($thumb_height / ($img_height / 100)); $new_width = intval($size_percent * ($img_width/100)); $new_height = $thumb_height; $difference_width = intval(($new_width - $thumb_width)/2); $difference_height = 0; }else{ $size_percent = intval($thumb_width / ($img_width / 100)); $new_height = intval($size_percent * ($img_height/100)); $new_width = $thumb_width; $difference_width = 0; $difference_height = intval(($new_height - $thumb_height)/2); } $thumb_img = ImageCreateTrueColor($new_width, $new_height); ImageCopyResampled($thumb_img,$base_img,0,0,0,0,$new_width,$new_height,$img_width,$img_height); $thumb_images = ImageCreateTrueColor($thumb_width, $thumb_height); ImageCopyMerge($thumb_images,$thumb_img,0,0,$difference_width,$difference_height,$thumb_width,$thumb_height,100); if($ext == ".png"){ ImagePNG($thumb_images, $thumbDest); }else if(($ext == ".jpeg") || ($ext == ".jpg")){ ImageJPEG($thumb_images, $thumbDest,82); }else if($ext == ".gif"){ ImageGIF($thumb_images, $thumbDest); } @ImageDestroy($base_img); @ImageDestroy($thumb_images); @ImageDestroy($thumb_img); return true; } ?>