public static function getColor() { if (ColorFactory::$iIdx >= ColorFactory::$iNum) { ColorFactory::$iIdx = 0; } return ColorFactory::$iColorList[ColorFactory::$iIdx++]; }
function LinePlot($datay, $datax = false) { parent::__construct($datay, $datax); $this->mark = new PlotMark(); $this->color = ColorFactory::getColor(); $this->fill_color = $this->color; }
/** * 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; }