/**
* build the epocLevel Array automatically by calculating an array of colors
*
* @param string $latestColor color of latest epocLevel (usually dark)
* @param string $earliestColor color of earliest epocLevel (usually light)
* @param int $thresholds number of levels to generate colors for
*
* @return array epocLevel
*
* @since Method available since Release 0.2.0
*/
private function _generateEpocLevel($latestColor, $earliestColor, $thresholds)
{
include_once 'Image/Color.php';
$imageColor = new Image_Color();
$imageColor->setWebSafe(false);
$imageColor->setColors($latestColor, $earliestColor);
$epocLevel = array();
foreach ($imageColor->getRange($thresholds) as $key => $color) {
$epocLevel[]['epocLevel' . $key] = array('link' => $color, 'visited' => $color);
}
return array_reverse($epocLevel);
}