<?
require('bcms.lib.php');
// handle photos for the albums function
if ($_REQUEST['id'])
{
  $rrp = mysql_fetch_assoc(mysql_query("select * from bcms_album_pics where id = '{$_REQUEST['id']}' "));
  //$src_photo = imagecreatefromjpeg($bcms['sitepath'] . "/photos/" . $rrp['fname']);
  $aInfo = getimagesize($bcms['sitepath'] . "photos/" . $rrp['fname']);
}
else
{
  exit();
}

$photo_x=$aInfo[0];
$photo_y=$aInfo[1];

/*
if ($_REQUEST['y'])
{
  $y = $_REQUEST['y'];
}
else
{
  $y = $photo_y;
}
*/

// smart size. take x and y as maximum values and scale to fit
$photo_aspect = $photo_x / $photo_y;
if ($_REQUEST['y'])
{
  if ($_REQUEST['x'])
  {
    $wanted_aspect = $_REQUEST['x'] / $_REQUEST['y'];
    if ($wanted_aspect > $photo_aspect)
    {
      // scale by limiting y
      $y = intval($_REQUEST['y']);
    }
    else
    {
      // scale by limiting x
      $y = intval($_REQUEST['x'] / $photo_aspect);
    }
  }
  else
  {
    $y = $_REQUEST['y'];
  }
}
else
{
  if ($_REQUEST['x'])
  {
    // only x
    $y = round($_REQUEST['x'] / $photo_aspect);
  }
  else
  {
    // dont scale
    $y = $photo_y;
  }
}

if ($y != $photo_y)
{
  if (!file_exists($bcms['sitepath'] . "/photos/" . $rrp['fname'] . '.c' . $y))
  {
    $src_photo = imagecreatefromjpeg($bcms['sitepath'] . "/photos/" . $rrp['fname']);
    $x = round(($y/$photo_y) * $photo_x);
    $dst_photo=ImageCreateTrueColor($x,$y);
    imagecopyresampled($dst_photo,$src_photo,0,0,0,0,$x,$y,$photo_x,$photo_y);
    header("Content-type: image/jpeg");
    imagejpeg($dst_photo,'',80);
    imagejpeg($dst_photo, $bcms['sitepath'] . "/photos/" . $rrp['fname'] . '.c' . $y ,90); // cache thumbnail
  }
  else
  {
    // from cache
    header("Content-type: image/jpeg");
    echo file_get_contents($bcms['sitepath'] . "/photos/" . $rrp['fname'] . '.c' . $y);
  }
}
else
{
  header("Content-type: image/jpeg");
  echo file_get_contents($bcms['sitepath'] . "/photos/" . $rrp['fname']);
}
?>