function SetFillColor($aColor)
{
// Do an extra error check if the color is specified as an RGB array triple
// In that case convert it to a hex string since it will otherwise be
// interpretated as an array of colors for each individual bar.
$aColor = RGB::tryHexConversion($aColor);
$this->fill = true;
$this->fill_color = $aColor;
}
/**
*
*/
function GetNextColor()
{
$color_list = $this->GetColorList();
$color = null;
if (isset($color_list[$this->color_index])) {
$color = $color_list[$this->color_index];
} else {
$color_count = count($color_list);
if ($color_count <= $this->color_index) {
$color_tmp = $color_list[$this->color_index % $color_count];
$brightness = 1.0 - intval($this->color_index / $color_count) * 0.2;
$rgb = new RGB();
$color = $color_tmp . ':' . $brightness;
$color = $rgb->Color($color);
$alpha = array_pop($color);
$color = $rgb->tryHexConversion($color);
if ($alpha) {
$color .= '@' . $alpha;
}
}
}
$this->color_index++;
return $color;
}
