/**
     *
     *
     * @param	int	$width
	 * @param	int	$height
	 * @param	string	$default
     */
	public function resize($width = 0, $height = 0, $default = '') {
		if (!$this->width || !$this->height) {
			return;
		}

		$width 	= ($width > 0) ? $width : $this->width;
		$height = ($height > 0) ? $height : $this->height;

		$xpos = 0;
		$ypos = 0;
		$scale = 1;

		$scale_w = $width / $this->width;
		$scale_h = $height / $this->height;

		if ($default == 'w') {
			$scale = $scale_w;
		} elseif ($default == 'h') {
			$scale = $scale_h;
		} else {
			$scale = min($scale_w, $scale_h);
		}

		if ($scale == 1 && $scale_h == $scale_w && $this->mime != 'image/png') {
			return;
		}

		$new_width = (int)($this->width * $scale);
		$new_height = (int)($this->height * $scale);

		$image_old = $this->image;
		$this->image = imagecreatetruecolor($new_width, $new_height);

		if ($this->mime == 'image/png') {
			imagealphablending($this->image, false);
			imagesavealpha($this->image, true);
			$background = imagecolorallocatealpha($this->image, 255, 255, 255, 127);
			imagecolortransparent($this->image, $background);
		} else {
			$background = imagecolorallocate($this->image, 255, 255, 255);
		}

		imagefilledrectangle($this->image, 0, 0, $new_width, $new_height, $background);

		imagecopyresampled($this->image, $image_old, $xpos, $ypos, 0, 0, $new_width, $new_height, $this->width, $this->height);
		imagedestroy($image_old);

		$this->width = $new_width;
		$this->height = $new_height;
	}