using CPF.Mac.Foundation;
using CPF.Mac.ObjCRuntime;
using System;

namespace CPF.Mac.CoreText
{
	[Since(3, 2)]
	public class CTFontTraits
	{
		internal const int ClassMaskShift = 28;

		internal const uint StylisticClassMask = 4026531840u;

		public NSDictionary Dictionary
		{
			get;
			private set;
		}

		public uint? Symbolic
		{
			get
			{
				return Adapter.GetUInt32Value(Dictionary, CTFontTraitKey.Symbolic);
			}
			set
			{
				Adapter.SetValue(Dictionary, CTFontTraitKey.Symbolic, value);
			}
		}

		public CTFontSymbolicTraits? SymbolicTraits
		{
			get
			{
				uint? symbolic = Symbolic;
				if (symbolic.HasValue)
				{
					return (CTFontSymbolicTraits)(symbolic.Value & 0xFFFFFFF);
				}
				return null;
			}
			set
			{
				CTFontStylisticClass? stylisticClass = StylisticClass;
				Symbolic = Adapter.BitwiseOr(stylisticClass.HasValue ? new uint?((uint)stylisticClass.Value) : null, value.HasValue ? new uint?((uint)value.Value) : null);
			}
		}

		public CTFontStylisticClass? StylisticClass
		{
			get
			{
				uint? symbolic = Symbolic;
				if (symbolic.HasValue)
				{
					return (CTFontStylisticClass)((int)symbolic.Value & -268435456);
				}
				return null;
			}
			set
			{
				CTFontSymbolicTraits? symbolicTraits = SymbolicTraits;
				Symbolic = Adapter.BitwiseOr(symbolicTraits.HasValue ? new uint?((uint)symbolicTraits.Value) : null, value.HasValue ? new uint?((uint)value.Value) : null);
			}
		}

		public float? Weight
		{
			get
			{
				return Adapter.GetSingleValue(Dictionary, CTFontTraitKey.Weight);
			}
			set
			{
				Adapter.SetValue(Dictionary, CTFontTraitKey.Weight, value);
			}
		}

		public float? Width
		{
			get
			{
				return Adapter.GetSingleValue(Dictionary, CTFontTraitKey.Width);
			}
			set
			{
				Adapter.SetValue(Dictionary, CTFontTraitKey.Width, value);
			}
		}

		public float? Slant
		{
			get
			{
				return Adapter.GetSingleValue(Dictionary, CTFontTraitKey.Slant);
			}
			set
			{
				Adapter.SetValue(Dictionary, CTFontTraitKey.Slant, value);
			}
		}

		public CTFontTraits()
			: this(new NSMutableDictionary())
		{
		}

		public CTFontTraits(NSDictionary dictionary)
		{
			if (dictionary == null)
			{
				throw new ArgumentNullException("dictionary");
			}
			Dictionary = dictionary;
		}
	}
}