vendor/dompdf/dompdf/src/Positioner/AbstractPositioner.php

   1 <?php
   2 /**
   3  * @package dompdf
   4  * @link    http://dompdf.github.com/
   5  * @author  Benj Carson <benjcarson@digitaljunkies.ca>
   6  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
   7  */
   8
   9 namespace Dompdf\Positioner;
  10
  11 use Dompdf\FrameDecorator\AbstractFrameDecorator;
  12
  13 /**
  14  * Base AbstractPositioner class
  15  *
  16  * Defines postioner interface
  17  *
  18  * @access  private
  19  * @package dompdf
  20  */
  21 abstract class AbstractPositioner
  22 {
  23
  24     /**
  25      * @param AbstractFrameDecorator $frame
  26      * @return mixed
  27      */
  28     abstract function position(AbstractFrameDecorator $frame);
  29
  30     /**
  31      * @param AbstractFrameDecorator $frame
  32      * @param $offset_x
  33      * @param $offset_y
  34      * @param bool $ignore_self
  35      */
  36     function move(AbstractFrameDecorator $frame, $offset_x, $offset_y, $ignore_self = false)
  37     {
  38         list($x, $y) = $frame->get_position();
  39
  40         if (!$ignore_self) {
  41             $frame->set_position($x + $offset_x, $y + $offset_y);
  42         }
  43
  44         foreach ($frame->get_children() as $child) {
  45             $child->move($offset_x, $offset_y);
  46         }
  47     }
  48 }