} else if (ch instanceof CTSRgbColor) {
CTSRgbColor srgb = (CTSRgbColor)ch;
byte[] val = srgb.getVal();
color = new Color(0xFF & val[0], 0xFF & val[1], 0xFF & val[2]);
} else if (ch instanceof CTSystemColor) {
CTSystemColor sys = (CTSystemColor)ch;
if(sys.isSetLastClr()) {
byte[] val = sys.getLastClr();
color = new Color(0xFF & val[0], 0xFF & val[1], 0xFF & val[2]);
} else {
// YK: color is a string like "menuText" or "windowText", we return black for such cases
String colorName = sys.getVal().toString();
color = Color.black;
}
} else {
throw new IllegalArgumentException("Unexpected color choice: " + ch.getClass());
}