protected function drawArea(awDriver $driver, awPolygon $polygon)
{
$starts = array();
foreach ($this->areas as $area) {
list($start) = $area;
$starts[$start] = TRUE;
}
// Draw filled areas
foreach ($this->areas as $area) {
list($start, $stop, $background) = $area;
$polygonArea = new awPolygon();
$p = $this->xAxisPoint($start);
$polygonArea->append($p);
for ($i = $start; $i <= $stop; $i++) {
$p = clone $polygon->get($i);
if ($i === $stop and array_key_exists($stop, $starts)) {
$p = $p->move(-1, 0);
}
$polygonArea->append($p);
}
$p = $this->xAxisPoint($stop);
if (array_key_exists($stop, $starts)) {
$p = $p->move(-1, 0);
}
$polygonArea->append($p);
// Draw area
$driver->filledPolygon($background, $polygonArea);
}
}
