define("WIDTH", 200);
define("HEIGHT", 200);
define("B_WIDTH", 20);
define("B_HEIGHT",20);
$img = imagecreate(WIDTH, HEIGHT);
$background = $white = imagecolorallocate($img, 0xFF, 0xFF, 0xFF);
$black = imagecolorallocate($img, 0, 0, 0);
$brush = imagecreate(B_WIDTH, B_HEIGHT);
$b_bkgr = $b_white = imagecolorallocate($brush, 0xFF, 0xFF, 0xFF);
$b_black = imagecolorallocate($brush, 0, 0, 0);
imagecolortransparent($brush, $b_bkgr);
imageellipse($brush, B_WIDTH/2, B_HEIGHT/2, B_WIDTH/2, B_HEIGHT/2, $black);
imagerectangle($img, 0, 0, WIDTH-1, HEIGHT-1, $black);
imagesetbrush($img, $brush);
imageline($img, 0, HEIGHT-1, WIDTH-1, 0, IMG_COLOR_BRUSHED);
header("Content-Type: image/png");
imagepng($img);
?>