diff options
Diffstat (limited to 'ElmSharp/ElmSharp/Color.cs')
| -rw-r--r-- | ElmSharp/ElmSharp/Color.cs | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/ElmSharp/ElmSharp/Color.cs b/ElmSharp/ElmSharp/Color.cs index aba4410..f1730a3 100644 --- a/ElmSharp/ElmSharp/Color.cs +++ b/ElmSharp/ElmSharp/Color.cs @@ -26,6 +26,24 @@ namespace ElmSharp readonly int _g; readonly int _b; + readonly Mode _mode; + + enum Mode + { + Default, + Rgb + } + + public static Color Default + { + get { return new Color(-1, -1, -1, -1, Mode.Default); } + } + + public bool IsDefault + { + get { return _mode == Mode.Default; } + } + public int A { get { return _a; } @@ -50,12 +68,24 @@ namespace ElmSharp { } - public Color(int r, int g, int b, int a) + public Color(int r, int g, int b, int a) : this(r,g,b,a, Mode.Rgb) + { + } + + Color(int r, int g, int b, int a, Mode mode) { - _r = Clamp(r, 0, 255); - _g = Clamp(g, 0, 255); - _b = Clamp(b, 0, 255); - _a = Clamp(a, 0, 255); + _mode = mode; + if (mode == Mode.Rgb) + { + _r = Clamp(r, 0, 255); + _g = Clamp(g, 0, 255); + _b = Clamp(b, 0, 255); + _a = Clamp(a, 0, 255); + } + else // Default + { + _r = _g = _b = _a = -1; + } } public override int GetHashCode() @@ -78,6 +108,8 @@ namespace ElmSharp static bool EqualsInner(Color color1, Color color2) { + if (color1._mode == Mode.Default && color2._mode == Mode.Default) + return true; return color1._r == color2._r && color1._g == color2._g && color1._b == color2._b && color1._a == color2._a; } |