using Windows.Win32; using Windows.Win32.Graphics.GdiPlus; namespace System.Drawing.Imaging.Effects { public class TintEffect : Effect { private readonly TintParams _tintParams; public int Hue { get { if (_tintParams.hue >= 0) return _tintParams.hue; return _tintParams.hue + 360; } } public int Amount => _tintParams.amount; public TintEffect(Color color, int amount) : this((int)color.GetHue(), (!color.IsEmpty && !(color == Color.White)) ? amount : 0) { } public TintEffect(int hue, int amount) : base(PInvoke.TintEffectGuid) { if ((hue < 0 || hue > 360) ? true : false) throw new ArgumentOutOfRangeException("hue"); if (hue > 180) hue -= 360; _tintParams = new TintParams { hue = hue, amount = amount }; SetParameters(ref _tintParams); } } }