/*******************************************
  Draw data into graph 
*******************************************/
// Get each line of db data and draw corresponding bars   
while ($row = mysql_fetch_object ($result)) 
{
  if ($total_votes > 0)
    $percent = intval(round(($row->num_votes/$total_votes)*100));
  else 
    $percent = 0;

  // display percent for this value  
  ImageTTFText($im, $main_size, 0, $width-30, $y+($bar_height/2),
               $percent_color, $font, $percent.'%');  
  if ($total_votes > 0)
    $right_value = intval(round(($row->num_votes/$total_votes)*100));
  else
    $right_value = 0;

  // length of bar for this value   
  $bar_length = $x + ($right_value * $bar_unit);   

  // draw bar for this value   
  ImageFilledRectangle($im, $x, $y-2, $bar_length, $y+$bar_height, $bar_color);   

  // draw title for this value   
  ImageTTFText($im, $main_size, 0, $text_indent, $y+($bar_height/2), 
               $text_color, $font, $row->candidate);  

  // draw outline showing 100% 
  ImageRectangle($im, $bar_length+1, $y-2, 
                ($x+(100*$bar_unit)), $y+$bar_height, $line_color);   

  // display numbers   
  ImageTTFText($im, $small_size, 0, $x+(100*$bar_unit)-50, $y+($bar_height/2),
               $number_color, $font, $row->num_votes.'/'.$total_votes);

  // move down to next bar
  $y=$y+($bar_height+$bar_spacing);   
}   

/*******************************************
  Display image 
*******************************************/
Header('Content-type:  image/png');
ImagePng($im);   


/*******************************************
  Clean up 
*******************************************/
ImageDestroy($im);   
?>