VPN/image_resizing.php at master · FerrahWolfeh/VPN · GitHub

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<?php
class imageResizing{

   var $image;
   var $image_type;
   var $res;

   function load($filename) {

      $image_info = getimagesize($filename);

      $this->image_type = $image_info[2];

      if( $this->image_type == IMAGETYPE_JPEG )
      {
         $this->image = imagecreatefromjpeg($filename);
         $this->res = ".jpg";
      }
      elseif( $this->image_type == IMAGETYPE_GIF )
      {
         $this->image = imagecreatefromgif($filename);
         $this->res = ".gif";
      }
      elseif( $this->image_type == IMAGETYPE_PNG )
      {
         $this->image = imagecreatefrompng($filename);
         $this->res = ".png";
      }

   }

   function save($filename, $image_type=IMAGETYPE_JPEG, $compression=100, $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($width,$height,$x=0,$y=0) {

      $new_image = imagecreatetruecolor($width, $height);

      //imagecopyresampled($new_image, $this->image, $x, $y, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
      imagecopy($new_image, $this->image, 0, 0, $x, $y, $width, $height);
      /*
      echo $x."<br/>";
      echo $y."<br/>";
      echo $width."<br/>";
      echo $height."<br/>";
      echo $this->getWidth()."<br/>";
      echo $this->getHeight();*/

      $this->image = $new_image;

   }

    function ResizePerfil($width,$height,$x=0,$y=0) {

      $new_image = imagecreatetruecolor($width, $height);

      imagecopyresampled($new_image, $this->image, $x, $y, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
     // imagecopy($new_image, $this->image, 0, 0, $x, $y, $width, $height);
      /*
      echo $x."<br/>";
      echo $y."<br/>";
      echo $width."<br/>";
      echo $height."<br/>";
      echo $this->getWidth()."<br/>";
      echo $this->getHeight();*/

      $this->image = $new_image;

   }

}
?>