Qt GlobalColor及其显示

 enum GlobalColor {
        color0,
        color1,
        black,
        white,
        darkGray,
        gray,
        lightGray,
        red,
        green,
        blue,
        cyan,
        magenta,
        yellow,
        darkRed,
        darkGreen,
        darkBlue,
        darkCyan,
        darkMagenta,
        darkYellow,
        transparent  //透明的
    };