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

namespace CPF.Mac.CoreImage
{
	[Register("CISampler", true)]
	public class CISampler : NSObject
	{
		private static readonly IntPtr selDefinitionHandle = Selector.GetHandle("definition");

		private static readonly IntPtr selExtentHandle = Selector.GetHandle("extent");

		private static readonly IntPtr selSamplerWithImage_Handle = Selector.GetHandle("samplerWithImage:");

		private static readonly IntPtr selSamplerWithImageOptions_Handle = Selector.GetHandle("samplerWithImage:options:");

		private static readonly IntPtr selInitWithImage_Handle = Selector.GetHandle("initWithImage:");

		private static readonly IntPtr selInitWithImageOptions_Handle = Selector.GetHandle("initWithImage:options:");

		private static readonly IntPtr class_ptr = Class.GetHandle("CISampler");

		private object __mt_Definition_var;

		private static NSString _AffineMatrix;

		private static NSString _WrapMode;

		private static NSString _FilterMode;

		private static NSString _WrapBlack;

		private static NSString _WrapClamp;

		private static NSString _FilterNearest;

		private static NSString _FilterLinear;

		public override IntPtr ClassHandle => class_ptr;

		public virtual CIFilterShape Definition
		{
			[Export("definition")]
			get
			{
				return (CIFilterShape)(__mt_Definition_var = ((!IsDirectBinding) ? ((CIFilterShape)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selDefinitionHandle))) : ((CIFilterShape)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(base.Handle, selDefinitionHandle)))));
			}
		}

		public virtual CGRect Extent
		{
			[Export("extent")]
			get
			{
				CGRect retval;
				if (IsDirectBinding)
				{
					Messaging.CGRect_objc_msgSend_stret(out retval, base.Handle, selExtentHandle);
				}
				else
				{
					Messaging.CGRect_objc_msgSendSuper_stret(out retval, base.SuperHandle, selExtentHandle);
				}
				return retval;
			}
		}

		[Field("kCISamplerAffineMatrix", "Quartz")]
		internal static NSString AffineMatrix
		{
			get
			{
				if (_AffineMatrix == null)
				{
					_AffineMatrix = Dlfcn.GetStringConstant(Libraries.Quartz.Handle, "kCISamplerAffineMatrix");
				}
				return _AffineMatrix;
			}
		}

		[Field("kCISamplerWrapMode", "Quartz")]
		internal static NSString WrapMode
		{
			get
			{
				if (_WrapMode == null)
				{
					_WrapMode = Dlfcn.GetStringConstant(Libraries.Quartz.Handle, "kCISamplerWrapMode");
				}
				return _WrapMode;
			}
		}

		[Field("kCISamplerFilterMode", "Quartz")]
		internal static NSString FilterMode
		{
			get
			{
				if (_FilterMode == null)
				{
					_FilterMode = Dlfcn.GetStringConstant(Libraries.Quartz.Handle, "kCISamplerFilterMode");
				}
				return _FilterMode;
			}
		}

		[Field("kCISamplerWrapBlack", "Quartz")]
		internal static NSString WrapBlack
		{
			get
			{
				if (_WrapBlack == null)
				{
					_WrapBlack = Dlfcn.GetStringConstant(Libraries.Quartz.Handle, "kCISamplerWrapBlack");
				}
				return _WrapBlack;
			}
		}

		[Field("kCISamplerWrapClamp", "Quartz")]
		internal static NSString WrapClamp
		{
			get
			{
				if (_WrapClamp == null)
				{
					_WrapClamp = Dlfcn.GetStringConstant(Libraries.Quartz.Handle, "kCISamplerWrapClamp");
				}
				return _WrapClamp;
			}
		}

		[Field("kCISamplerFilterNearest", "Quartz")]
		internal static NSString FilterNearest
		{
			get
			{
				if (_FilterNearest == null)
				{
					_FilterNearest = Dlfcn.GetStringConstant(Libraries.Quartz.Handle, "kCISamplerFilterNearest");
				}
				return _FilterNearest;
			}
		}

		[Field("kCISamplerFilterLinear", "Quartz")]
		internal static NSString FilterLinear
		{
			get
			{
				if (_FilterLinear == null)
				{
					_FilterLinear = Dlfcn.GetStringConstant(Libraries.Quartz.Handle, "kCISamplerFilterLinear");
				}
				return _FilterLinear;
			}
		}

		public CISampler FromImage(CIImage sourceImage, CISamplerOptions options)
		{
			if (options == null)
			{
				return FromImage(sourceImage);
			}
			return FromImage(sourceImage, options.ToDictionary());
		}

		public CISampler(CIImage sourceImage, CISamplerOptions options)
			: this(sourceImage, options?.ToDictionary())
		{
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("init")]
		public CISampler()
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend(base.Handle, Selector.Init);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, Selector.Init);
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("initWithCoder:")]
		public CISampler(NSCoder coder)
			: base(NSObjectFlag.Empty)
		{
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_IntPtr(base.Handle, Selector.InitWithCoder, coder.Handle);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_IntPtr(base.SuperHandle, Selector.InitWithCoder, coder.Handle);
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		public CISampler(NSObjectFlag t)
			: base(t)
		{
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		public CISampler(IntPtr handle)
			: base(handle)
		{
		}

		[Export("samplerWithImage:")]
		public static CISampler FromImage(CIImage sourceImage)
		{
			if (sourceImage == null)
			{
				throw new ArgumentNullException("sourceImage");
			}
			return (CISampler)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selSamplerWithImage_Handle, sourceImage.Handle));
		}

		[Export("samplerWithImage:options:")]
		internal static CISampler FromImage(CIImage sourceImag, NSDictionary options)
		{
			if (sourceImag == null)
			{
				throw new ArgumentNullException("sourceImag");
			}
			if (options == null)
			{
				throw new ArgumentNullException("options");
			}
			return (CISampler)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr_IntPtr(class_ptr, selSamplerWithImageOptions_Handle, sourceImag.Handle, options.Handle));
		}

		[Export("initWithImage:")]
		public CISampler(CIImage sourceImage)
			: base(NSObjectFlag.Empty)
		{
			if (sourceImage == null)
			{
				throw new ArgumentNullException("sourceImage");
			}
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_IntPtr(base.Handle, selInitWithImage_Handle, sourceImage.Handle);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_IntPtr(base.SuperHandle, selInitWithImage_Handle, sourceImage.Handle);
			}
		}

		[Export("initWithImage:options:")]
		internal CISampler(CIImage image, NSDictionary options)
			: base(NSObjectFlag.Empty)
		{
			if (image == null)
			{
				throw new ArgumentNullException("image");
			}
			if (options == null)
			{
				throw new ArgumentNullException("options");
			}
			if (IsDirectBinding)
			{
				base.Handle = Messaging.IntPtr_objc_msgSend_IntPtr_IntPtr(base.Handle, selInitWithImageOptions_Handle, image.Handle, options.Handle);
			}
			else
			{
				base.Handle = Messaging.IntPtr_objc_msgSendSuper_IntPtr_IntPtr(base.SuperHandle, selInitWithImageOptions_Handle, image.Handle, options.Handle);
			}
		}

		protected override void Dispose(bool disposing)
		{
			base.Dispose(disposing);
			if (base.Handle == IntPtr.Zero)
			{
				__mt_Definition_var = null;
			}
		}
	}
}
