/**
* Constructs an array of Color objects by using $colorFactory to process
* strings. Unrecognized strings are added to $invalidStrings.
*
* @param array $colorStrings
*
* @return array
* An array of Color objects.
*/
private function buildColors(array $colorStrings)
{
$colors = array();
foreach ($colorStrings as $colorString) {
if ($colorString instanceof Color) {
$colors[(string) $colorString] = $colorString;
continue;
}
$color = $this->colorFactory->buildColor($colorString);
if (!empty($color)) {
$colors[(string) $color] = $color;
} else {
$this->invalidStrings[] = (string) $colorString;
}
}
return $colors;
}
