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   1  <?php
   2  /**
   3   * @package WordPress
   4   * @subpackage Default_Theme
   5   */
   6  
   7  /** @ignore */
   8  $img = 'kubrickheader.jpg';
   9  
  10  // If we don't have image processing support, redirect.
  11  if ( ! function_exists('imagecreatefromjpeg') )
  12      die(header("Location: kubrickheader.jpg"));
  13  
  14  // Assign and validate the color values
  15  $default = false;
  16  $vars = array('upper'=>array('r1', 'g1', 'b1'), 'lower'=>array('r2', 'g2', 'b2'));
  17  foreach ( $vars as $var => $subvars ) {
  18      if ( isset($_GET[$var]) ) {
  19          foreach ( $subvars as $index => $subvar ) {
  20              $length = strlen($_GET[$var]) / 3;
  21              $v = substr($_GET[$var], $index * $length, $length);
  22              if ( $length == 1 ) $v = '' . $v . $v;
  23              $$subvar = hexdec( $v );
  24              if ( $$subvar < 0 || $$subvar > 255 )
  25                  $default = true;
  26          }
  27      } else {
  28          $default = true;
  29      }
  30  }
  31  
  32  if ( $default )
  33      list ( $r1, $g1, $b1, $r2, $g2, $b2 ) = array ( 105, 174, 231, 65, 128, 182 );
  34  
  35  // Create the image
  36  $im = imagecreatefromjpeg($img);
  37  
  38  // Get the background color, define the rectangle height
  39  $white = imagecolorat( $im, 15, 15 );
  40  $h = 182;
  41  
  42  // Define the boundaries of the rounded edges ( y => array ( x1, x2 ) )
  43  $corners = array(
  44      0 => array ( 25, 734 ),
  45      1 => array ( 23, 736 ),
  46      2 => array ( 22, 737 ),
  47      3 => array ( 21, 738 ),
  48      4 => array ( 21, 738 ),
  49      177 => array ( 21, 738 ),
  50      178 => array ( 21, 738 ),
  51      179 => array ( 22, 737 ),
  52      180 => array ( 23, 736 ),
  53      181 => array ( 25, 734 ),
  54      );
  55  
  56  // Blank out the blue thing
  57  for ( $i = 0; $i < $h; $i++ ) {
  58      $x1 = 19;
  59      $x2 = 740;
  60      imageline( $im, $x1, 18 + $i, $x2, 18 + $i, $white );
  61  }
  62  
  63  // Draw a new color thing
  64  for ( $i = 0; $i < $h; $i++ ) {
  65      $x1 = 20;
  66      $x2 = 739;
  67      $r = ( $r2 - $r1 != 0 ) ? $r1 + ( $r2 - $r1 ) * ( $i / $h ) : $r1;
  68      $g = ( $g2 - $g1 != 0 ) ? $g1 + ( $g2 - $g1 ) * ( $i / $h ) : $g1;
  69      $b = ( $b2 - $b1 != 0 ) ? $b1 + ( $b2 - $b1 ) * ( $i / $h ) : $b1;
  70      $color = imagecolorallocate( $im, $r, $g, $b );
  71      if ( array_key_exists($i, $corners) ) {
  72          imageline( $im, $x1, 18 + $i, $x2, 18 + $i, $white );
  73          list ( $x1, $x2 ) = $corners[$i];
  74      }
  75      imageline( $im, $x1, 18 + $i, $x2, 18 + $i, $color );
  76  }
  77  
  78  //die;
  79  header("Content-Type: image/jpeg");
  80  imagejpeg($im, '', 92);
  81  imagedestroy($im);
  82  ?>