protected function returnColorArray($color)
{
//this function first checks exisitng colors in phpgraphlib
//then if not found checks its own list
//comes with various preset lighter pie chart friendly colors
if ($resultColor = parent::returnColorArray($color)) {
return $resultColor;
} else {
//remove last error generated (phpgraphlib::returncolorarray) sets only one error if false)
array_pop($this->error);
//check to see if numeric color passed through in form '128,128,128'
if (strpos($color, ',') !== false) {
return explode(',', $color);
}
switch (strtolower($color)) {
//named colors based on w3c's recommended html colors
case 'pastel_orange_1':
return array(238, 197, 145);
break;
case 'pastel_orange_2':
return array(238, 180, 34);
break;
case 'pastel_blue_1':
return array(122, 197, 205);
break;
case 'pastel_green_1':
return array(102, 205, 0);
break;
case 'pastel_blue_2':
return array(125, 167, 217);
break;
case 'pastel_green_2':
return array(196, 223, 155);
break;
case 'clay':
return array(246, 142, 85);
break;
case 'pastel_yellow':
return array(255, 247, 153);
break;
case 'pastel_purple':
return array(135, 129, 189);
break;
case 'brown':
return array(166, 124, 81);
break;
}
$this->error[] = "Color name \"{$color}\" not recogized.";
return false;
}
}