OpenXE/www/lib/pdf/rotation.php

<?php
require('fpdi.php');
if(file_exists(__DIR__ . '/pdf-cmyk.php')){
  unlink(__DIR__ . '/pdf-cmyk.php');
}
if(file_exists(__DIR__ . '/pdf-cmyk.src.php')){
  unlink(__DIR__ . '/pdf-cmyk.src.php');
}

class PDF_Rotate extends fpdi
{
  var $angle = 0;

  function Rotate($angle, $x = -1, $y = -1)
  {
    if($x == -1)
      $x = $this->x;
    if($y == -1)
      $y = $this->y;
    if($this->angle != 0)
      $this->_out('Q');
    $this->angle = $angle;
    if($angle != 0){
      $angle *= M_PI / 180;
      $c = cos($angle);
      $s = sin($angle);
      $cx = $x * $this->k;
      $cy = ($this->h - $y) * $this->k;
      $this->_out(sprintf('q %.5f %.5f %.5f %.5f %.2f %.2f cm 1 0 0 1 %.2f %.2f cm', $c, $s, -$s, $c, $cx, $cy, -$cx, -$cy));
    }
  }

  function _endpage()
  {
    if($this->angle != 0){
      $this->angle = 0;
      $this->_out('Q');
    }
    parent::_endpage();
  }

}

class PDF extends PDF_Rotate
{
  function RotatedText($x, $y, $txt, $angle)
  {
    //Text rotated around its origin
    $this->Rotate($angle, $x, $y);
    $this->Text($x, $y, $txt);
    $this->Rotate(0);
  }

  function RotatedImage($file, $x, $y, $w, $h, $angle)
  {
    //Image rotated around its upper-left corner
    $this->Rotate($angle, $x, $y);
    $this->Image($file, $x, $y, $w, $h);
    $this->Rotate(0);
  }
}