<?
 
class SimpleImage {
 
   var $image;
   var $image_type;
 
   function load($filename) {
 
      $image_info = getimagesize($filename);
      $this->image_type = $image_info[2];
      if( $this->image_type == IMAGETYPE_JPEG ) {
 
         $this->image = imagecreatefromjpeg($filename);
      } elseif( $this->image_type == IMAGETYPE_GIF ) {
 
         $this->image = imagecreatefromgif($filename);
      } elseif( $this->image_type == IMAGETYPE_PNG ) {
 
         $this->image = imagecreatefrompng($filename);
      }
   }
   function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) {
 
      if( $image_type == IMAGETYPE_JPEG ) {
         imagejpeg($this->image,$filename,$compression);
      } elseif( $image_type == IMAGETYPE_GIF ) {
 
         imagegif($this->image,$filename);
      } elseif( $image_type == IMAGETYPE_PNG ) {
 
         imagepng($this->image,$filename);
      }
      if( $permissions != null) {
 
         chmod($filename,$permissions);
      }
   }
   function output($image_type=IMAGETYPE_JPEG) {
 
      if( $image_type == IMAGETYPE_JPEG ) {
         imagejpeg($this->image);
      } elseif( $image_type == IMAGETYPE_GIF ) {
 
         imagegif($this->image);
      } elseif( $image_type == IMAGETYPE_PNG ) {
 
         imagepng($this->image);
      }
   }
   function getWidth() {
 
      return imagesx($this->image);
   }
   function getHeight() {
 
      return imagesy($this->image);
   }
   function resizeToHeight($height) {
 
      $ratio = $height / $this->getHeight();
      $width = $this->getWidth() * $ratio;
      $this->resize($width,$height);
   }
 
   function resizeToWidth($width) {
      $ratio = $width / $this->getWidth();
      $height = $this->getheight() * $ratio;
      $this->resize($width,$height);
   }
 
   function scale($scale) {
      $width = $this->getWidth() * $scale/100;
      $height = $this->getheight() * $scale/100;
      $this->resize($width,$height);
   }
 
   function resize($thumb_width,$thumb_height) {
       
        $width = imagesx($this->image);
        $height = imagesy($this->image);

        $original_aspect = $width / $height;
        $thumb_aspect = $thumb_width / $thumb_height;

        if($original_aspect >= $thumb_aspect) {
           $new_height = $thumb_height;
           $new_width = $width / ($height / $thumb_height);
        } else {
           $new_width = $thumb_width;
           $new_height = $height / ($width / $thumb_width);
        }

        $thumb = imagecreatetruecolor($thumb_width, $thumb_height);

        // Resize and crop
        imagecopyresampled($thumb,
                           $this->image,
                           0 - ($new_width - $thumb_width) / 2, // Center the image horizontally
                           0 - ($new_height - $thumb_height) / 2, // Center the image vertically
                           0, 0,
                           $new_width, $new_height,
                           $width, $height);
        $this->image = $thumb;
  
   }      
 
}

require_once( dirname(__FILE__) . '/../../wp-config.php' );
$args = array( 'posts_per_page' => 1, 'orderby' => 'date', 'order' => 'DESC' );
$posts = get_posts( $args );

header('Content-Type: image/jpeg');

if (!file_exists("cache/".$posts[0]->ID.".jpg")) {
	$image = wp_get_attachment_image_src( get_post_thumbnail_id( $posts[0]->ID ) );
	$image_local_path = preg_replace('/\?.*/', '', substr($image[0], stripos($image[0], "/media/")));
	$simpleImage = new SimpleImage();
	$simpleImage->load("../..$image_local_path");
	$simpleImage->resize(100,40);
	$simpleImage->save("cache/".$posts[0]->ID.".jpg");
}

header("X-SendFile: cache/".$posts[0]->ID.".jpg");

?>