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

namespace CPF.Mac.AppKit
{
	[Register("NSGlyphGenerator", true)]
	public class NSGlyphGenerator : NSObject
	{
		private static readonly IntPtr selSharedGlyphGeneratorHandle = Selector.GetHandle("sharedGlyphGenerator");

		private static readonly IntPtr selGenerateGlyphsForGlyphStorageDesiredNumberOfCharactersGlyphIndexCharacterIndex_Handle = Selector.GetHandle("generateGlyphsForGlyphStorage:desiredNumberOfCharacters:glyphIndex:characterIndex:");

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

		private static object __mt_SharedGlyphGenerator_var_static;

		public override IntPtr ClassHandle => class_ptr;

		public static NSGlyphGenerator SharedGlyphGenerator
		{
			[Export("sharedGlyphGenerator")]
			get
			{
				NSApplication.EnsureUIThread();
				return (NSGlyphGenerator)(__mt_SharedGlyphGenerator_var_static = (NSGlyphGenerator)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend(class_ptr, selSharedGlyphGeneratorHandle)));
			}
		}

		[EditorBrowsable(EditorBrowsableState.Advanced)]
		[Export("init")]
		public NSGlyphGenerator()
			: 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 NSGlyphGenerator(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 NSGlyphGenerator(NSObjectFlag t)
			: base(t)
		{
		}

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

		[Export("generateGlyphsForGlyphStorage:desiredNumberOfCharacters:glyphIndex:characterIndex:")]
		public virtual void GenerateGlyphs(NSObject nsGlyphStorageOrNSLayoutManager, ulong nchars, ref ulong glyphIndex, ref ulong charIndex)
		{
			NSApplication.EnsureUIThread();
			if (nsGlyphStorageOrNSLayoutManager == null)
			{
				throw new ArgumentNullException("nsGlyphStorageOrNSLayoutManager");
			}
			if (IsDirectBinding)
			{
				Messaging.void_objc_msgSend_IntPtr_UInt64_out_UInt64_out_UInt64(base.Handle, selGenerateGlyphsForGlyphStorageDesiredNumberOfCharactersGlyphIndexCharacterIndex_Handle, nsGlyphStorageOrNSLayoutManager.Handle, nchars, out glyphIndex, out charIndex);
			}
			else
			{
				Messaging.void_objc_msgSendSuper_IntPtr_UInt64_out_UInt64_out_UInt64(base.SuperHandle, selGenerateGlyphsForGlyphStorageDesiredNumberOfCharactersGlyphIndexCharacterIndex_Handle, nsGlyphStorageOrNSLayoutManager.Handle, nchars, out glyphIndex, out charIndex);
			}
		}
	}
}