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

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

		private static readonly IntPtr selImageUnfilteredFileTypesHandle = Selector.GetHandle("imageUnfilteredFileTypes");

		private static readonly IntPtr selImageUnfilteredPasteboardTypesHandle = Selector.GetHandle("imageUnfilteredPasteboardTypes");

		private static readonly IntPtr selImageFileTypesHandle = Selector.GetHandle("imageFileTypes");

		private static readonly IntPtr selImagePasteboardTypesHandle = Selector.GetHandle("imagePasteboardTypes");

		private static readonly IntPtr selImageUnfilteredTypesHandle = Selector.GetHandle("imageUnfilteredTypes");

		private static readonly IntPtr selImageTypesHandle = Selector.GetHandle("imageTypes");

		private static readonly IntPtr selSizeHandle = Selector.GetHandle("size");

		private static readonly IntPtr selSetSize_Handle = Selector.GetHandle("setSize:");

		private static readonly IntPtr selIsOpaqueHandle = Selector.GetHandle("isOpaque");

		private static readonly IntPtr selSetOpaque_Handle = Selector.GetHandle("setOpaque:");

		private static readonly IntPtr selColorSpaceNameHandle = Selector.GetHandle("colorSpaceName");

		private static readonly IntPtr selSetColorSpaceName_Handle = Selector.GetHandle("setColorSpaceName:");

		private static readonly IntPtr selBitsPerSampleHandle = Selector.GetHandle("bitsPerSample");

		private static readonly IntPtr selSetBitsPerSample_Handle = Selector.GetHandle("setBitsPerSample:");

		private static readonly IntPtr selPixelsWideHandle = Selector.GetHandle("pixelsWide");

		private static readonly IntPtr selSetPixelsWide_Handle = Selector.GetHandle("setPixelsWide:");

		private static readonly IntPtr selPixelsHighHandle = Selector.GetHandle("pixelsHigh");

		private static readonly IntPtr selSetPixelsHigh_Handle = Selector.GetHandle("setPixelsHigh:");

		private static readonly IntPtr selDrawHandle = Selector.GetHandle("draw");

		private static readonly IntPtr selDrawAtPoint_Handle = Selector.GetHandle("drawAtPoint:");

		private static readonly IntPtr selDrawInRect_Handle = Selector.GetHandle("drawInRect:");

		private static readonly IntPtr selDrawInRectFromRectOperationFractionRespectFlippedHints_Handle = Selector.GetHandle("drawInRect:fromRect:operation:fraction:respectFlipped:hints:");

		private static readonly IntPtr selSetAlpha_Handle = Selector.GetHandle("setAlpha:");

		private static readonly IntPtr selRegisterImageRepClass_Handle = Selector.GetHandle("registerImageRepClass:");

		private static readonly IntPtr selUnregisterImageRepClass_Handle = Selector.GetHandle("unregisterImageRepClass:");

		private static readonly IntPtr selImageRepClassForFileType_Handle = Selector.GetHandle("imageRepClassForFileType:");

		private static readonly IntPtr selImageRepClassForPasteboardType_Handle = Selector.GetHandle("imageRepClassForPasteboardType:");

		private static readonly IntPtr selImageRepClassForType_Handle = Selector.GetHandle("imageRepClassForType:");

		private static readonly IntPtr selImageRepClassForData_Handle = Selector.GetHandle("imageRepClassForData:");

		private static readonly IntPtr selCanInitWithData_Handle = Selector.GetHandle("canInitWithData:");

		private static readonly IntPtr selCanInitWithPasteboard_Handle = Selector.GetHandle("canInitWithPasteboard:");

		private static readonly IntPtr selImageRepsWithContentsOfFile_Handle = Selector.GetHandle("imageRepsWithContentsOfFile:");

		private static readonly IntPtr selImageRepWithContentsOfFile_Handle = Selector.GetHandle("imageRepWithContentsOfFile:");

		private static readonly IntPtr selImageRepsWithContentsOfURL_Handle = Selector.GetHandle("imageRepsWithContentsOfURL:");

		private static readonly IntPtr selImageRepWithContentsOfURL_Handle = Selector.GetHandle("imageRepWithContentsOfURL:");

		private static readonly IntPtr selImageRepsWithPasteboard_Handle = Selector.GetHandle("imageRepsWithPasteboard:");

		private static readonly IntPtr selImageRepWithPasteboard_Handle = Selector.GetHandle("imageRepWithPasteboard:");

		private static readonly IntPtr selCGImageForProposedRectContextHints_Handle = Selector.GetHandle("CGImageForProposedRect:context:hints:");

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

		public CGImage CGImage
		{
			get
			{
				CGRect proposedDestRect = CGRect.Empty;
				return AsCGImage(ref proposedDestRect, null, null);
			}
		}

		public override IntPtr ClassHandle => class_ptr;

		public virtual bool HasAlpha
		{
			[Export("hasAlpha")]
			get
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					return Messaging.bool_objc_msgSend(base.Handle, selHasAlphaHandle);
				}
				return Messaging.bool_objc_msgSendSuper(base.SuperHandle, selHasAlphaHandle);
			}
		}

		public static string[] ImageUnfilteredFileTypes
		{
			[Export("imageUnfilteredFileTypes")]
			get
			{
				NSApplication.EnsureUIThread();
				return NSArray.StringArrayFromHandle(Messaging.IntPtr_objc_msgSend(class_ptr, selImageUnfilteredFileTypesHandle));
			}
		}

		public static string[] ImageUnfilteredPasteboardTypes
		{
			[Export("imageUnfilteredPasteboardTypes")]
			get
			{
				NSApplication.EnsureUIThread();
				return NSArray.StringArrayFromHandle(Messaging.IntPtr_objc_msgSend(class_ptr, selImageUnfilteredPasteboardTypesHandle));
			}
		}

		public static string[] ImageFileTypes
		{
			[Export("imageFileTypes")]
			get
			{
				NSApplication.EnsureUIThread();
				return NSArray.StringArrayFromHandle(Messaging.IntPtr_objc_msgSend(class_ptr, selImageFileTypesHandle));
			}
		}

		public static string[] ImagePasteboardTypes
		{
			[Export("imagePasteboardTypes")]
			get
			{
				NSApplication.EnsureUIThread();
				return NSArray.StringArrayFromHandle(Messaging.IntPtr_objc_msgSend(class_ptr, selImagePasteboardTypesHandle));
			}
		}

		public static string[] ImageUnfilteredTypes
		{
			[Export("imageUnfilteredTypes")]
			get
			{
				NSApplication.EnsureUIThread();
				return NSArray.StringArrayFromHandle(Messaging.IntPtr_objc_msgSend(class_ptr, selImageUnfilteredTypesHandle));
			}
		}

		public static string[] ImageTypes
		{
			[Export("imageTypes")]
			get
			{
				NSApplication.EnsureUIThread();
				return NSArray.StringArrayFromHandle(Messaging.IntPtr_objc_msgSend(class_ptr, selImageTypesHandle));
			}
		}

		public virtual CGSize Size
		{
			[Export("size")]
			get
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					return Messaging.CGSize_objc_msgSend(base.Handle, selSizeHandle);
				}
				return Messaging.CGSize_objc_msgSendSuper(base.SuperHandle, selSizeHandle);
			}
			[Export("setSize:")]
			set
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_CGSize(base.Handle, selSetSize_Handle, value);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_CGSize(base.SuperHandle, selSetSize_Handle, value);
				}
			}
		}

		public virtual bool Opaque
		{
			[Export("isOpaque")]
			get
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					return Messaging.bool_objc_msgSend(base.Handle, selIsOpaqueHandle);
				}
				return Messaging.bool_objc_msgSendSuper(base.SuperHandle, selIsOpaqueHandle);
			}
			[Export("setOpaque:")]
			set
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_bool(base.Handle, selSetOpaque_Handle, value);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_bool(base.SuperHandle, selSetOpaque_Handle, value);
				}
			}
		}

		public virtual string ColorSpaceName
		{
			[Export("colorSpaceName")]
			get
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					return NSString.FromHandle(Messaging.IntPtr_objc_msgSend(base.Handle, selColorSpaceNameHandle));
				}
				return NSString.FromHandle(Messaging.IntPtr_objc_msgSendSuper(base.SuperHandle, selColorSpaceNameHandle));
			}
			[Export("setColorSpaceName:")]
			set
			{
				NSApplication.EnsureUIThread();
				if (value == null)
				{
					throw new ArgumentNullException("value");
				}
				IntPtr intPtr = NSString.CreateNative(value);
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_IntPtr(base.Handle, selSetColorSpaceName_Handle, intPtr);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_IntPtr(base.SuperHandle, selSetColorSpaceName_Handle, intPtr);
				}
				NSString.ReleaseNative(intPtr);
			}
		}

		public virtual long BitsPerSample
		{
			[Export("bitsPerSample")]
			get
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					return Messaging.Int64_objc_msgSend(base.Handle, selBitsPerSampleHandle);
				}
				return Messaging.Int64_objc_msgSendSuper(base.SuperHandle, selBitsPerSampleHandle);
			}
			[Export("setBitsPerSample:")]
			set
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_Int64(base.Handle, selSetBitsPerSample_Handle, value);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_Int64(base.SuperHandle, selSetBitsPerSample_Handle, value);
				}
			}
		}

		public virtual long PixelsWide
		{
			[Export("pixelsWide")]
			get
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					return Messaging.Int64_objc_msgSend(base.Handle, selPixelsWideHandle);
				}
				return Messaging.Int64_objc_msgSendSuper(base.SuperHandle, selPixelsWideHandle);
			}
			[Export("setPixelsWide:")]
			set
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_Int64(base.Handle, selSetPixelsWide_Handle, value);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_Int64(base.SuperHandle, selSetPixelsWide_Handle, value);
				}
			}
		}

		public virtual long PixelsHigh
		{
			[Export("pixelsHigh")]
			get
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					return Messaging.Int64_objc_msgSend(base.Handle, selPixelsHighHandle);
				}
				return Messaging.Int64_objc_msgSendSuper(base.SuperHandle, selPixelsHighHandle);
			}
			[Export("setPixelsHigh:")]
			set
			{
				NSApplication.EnsureUIThread();
				if (IsDirectBinding)
				{
					Messaging.void_objc_msgSend_Int64(base.Handle, selSetPixelsHigh_Handle, value);
				}
				else
				{
					Messaging.void_objc_msgSendSuper_Int64(base.SuperHandle, selSetPixelsHigh_Handle, value);
				}
			}
		}

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

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

		[Export("draw")]
		public virtual bool Draw()
		{
			NSApplication.EnsureUIThread();
			if (IsDirectBinding)
			{
				return Messaging.bool_objc_msgSend(base.Handle, selDrawHandle);
			}
			return Messaging.bool_objc_msgSendSuper(base.SuperHandle, selDrawHandle);
		}

		[Export("drawAtPoint:")]
		public virtual bool DrawAtPoint(CGPoint point)
		{
			NSApplication.EnsureUIThread();
			if (IsDirectBinding)
			{
				return Messaging.bool_objc_msgSend_CGPoint(base.Handle, selDrawAtPoint_Handle, point);
			}
			return Messaging.bool_objc_msgSendSuper_CGPoint(base.SuperHandle, selDrawAtPoint_Handle, point);
		}

		[Export("drawInRect:")]
		public virtual bool DrawInRect(CGRect rect)
		{
			NSApplication.EnsureUIThread();
			if (IsDirectBinding)
			{
				return Messaging.bool_objc_msgSend_CGRect(base.Handle, selDrawInRect_Handle, rect);
			}
			return Messaging.bool_objc_msgSendSuper_CGRect(base.SuperHandle, selDrawInRect_Handle, rect);
		}

		[Export("drawInRect:fromRect:operation:fraction:respectFlipped:hints:")]
		public virtual bool DrawInRect(CGRect dstSpacePortionRect, CGRect srcSpacePortionRect, NSCompositingOperation op, double requestedAlpha, bool respectContextIsFlipped, NSDictionary hints)
		{
			NSApplication.EnsureUIThread();
			if (IsDirectBinding)
			{
				return Messaging.bool_objc_msgSend_CGRect_CGRect_UInt64_Double_bool_IntPtr(base.Handle, selDrawInRectFromRectOperationFractionRespectFlippedHints_Handle, dstSpacePortionRect, srcSpacePortionRect, (ulong)op, requestedAlpha, respectContextIsFlipped, hints?.Handle ?? IntPtr.Zero);
			}
			return Messaging.bool_objc_msgSendSuper_CGRect_CGRect_UInt64_Double_bool_IntPtr(base.SuperHandle, selDrawInRectFromRectOperationFractionRespectFlippedHints_Handle, dstSpacePortionRect, srcSpacePortionRect, (ulong)op, requestedAlpha, respectContextIsFlipped, hints?.Handle ?? IntPtr.Zero);
		}

		[Export("setAlpha:")]
		public virtual void SetAlpha(bool alpha)
		{
			NSApplication.EnsureUIThread();
			if (IsDirectBinding)
			{
				Messaging.void_objc_msgSend_bool(base.Handle, selSetAlpha_Handle, alpha);
			}
			else
			{
				Messaging.void_objc_msgSendSuper_bool(base.SuperHandle, selSetAlpha_Handle, alpha);
			}
		}

		[Export("registerImageRepClass:")]
		public static void RegisterImageRepClass(Class imageRepClass)
		{
			NSApplication.EnsureUIThread();
			if (imageRepClass == null)
			{
				throw new ArgumentNullException("imageRepClass");
			}
			Messaging.void_objc_msgSend_IntPtr(class_ptr, selRegisterImageRepClass_Handle, imageRepClass.Handle);
		}

		[Export("unregisterImageRepClass:")]
		public static void UnregisterImageRepClass(Class imageRepClass)
		{
			NSApplication.EnsureUIThread();
			if (imageRepClass == null)
			{
				throw new ArgumentNullException("imageRepClass");
			}
			Messaging.void_objc_msgSend_IntPtr(class_ptr, selUnregisterImageRepClass_Handle, imageRepClass.Handle);
		}

		[Export("imageRepClassForFileType:")]
		public static Class ImageRepClassForFileType(string type)
		{
			NSApplication.EnsureUIThread();
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			IntPtr intPtr = NSString.CreateNative(type);
			Class result = new Class(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepClassForFileType_Handle, intPtr));
			NSString.ReleaseNative(intPtr);
			return result;
		}

		[Export("imageRepClassForPasteboardType:")]
		public static Class ImageRepClassForPasteboardType(string type)
		{
			NSApplication.EnsureUIThread();
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			IntPtr intPtr = NSString.CreateNative(type);
			Class result = new Class(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepClassForPasteboardType_Handle, intPtr));
			NSString.ReleaseNative(intPtr);
			return result;
		}

		[Export("imageRepClassForType:")]
		public static Class ImageRepClassForType(string type)
		{
			NSApplication.EnsureUIThread();
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			IntPtr intPtr = NSString.CreateNative(type);
			Class result = new Class(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepClassForType_Handle, intPtr));
			NSString.ReleaseNative(intPtr);
			return result;
		}

		[Export("imageRepClassForData:")]
		public static Class ImageRepClassForData(NSData data)
		{
			NSApplication.EnsureUIThread();
			if (data == null)
			{
				throw new ArgumentNullException("data");
			}
			return new Class(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepClassForData_Handle, data.Handle));
		}

		[Export("canInitWithData:")]
		public static bool CanInitWithData(NSData data)
		{
			NSApplication.EnsureUIThread();
			if (data == null)
			{
				throw new ArgumentNullException("data");
			}
			return Messaging.bool_objc_msgSend_IntPtr(class_ptr, selCanInitWithData_Handle, data.Handle);
		}

		[Export("canInitWithPasteboard:")]
		public static bool CanInitWithPasteboard(NSPasteboard pasteboard)
		{
			NSApplication.EnsureUIThread();
			if (pasteboard == null)
			{
				throw new ArgumentNullException("pasteboard");
			}
			return Messaging.bool_objc_msgSend_IntPtr(class_ptr, selCanInitWithPasteboard_Handle, pasteboard.Handle);
		}

		[Export("imageRepsWithContentsOfFile:")]
		public static NSImageRep[] ImageRepsFromFile(string filename)
		{
			NSApplication.EnsureUIThread();
			if (filename == null)
			{
				throw new ArgumentNullException("filename");
			}
			IntPtr intPtr = NSString.CreateNative(filename);
			NSImageRep[] result = NSArray.ArrayFromHandle<NSImageRep>(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepsWithContentsOfFile_Handle, intPtr));
			NSString.ReleaseNative(intPtr);
			return result;
		}

		[Export("imageRepWithContentsOfFile:")]
		public static NSImageRep ImageRepFromFile(string filename)
		{
			NSApplication.EnsureUIThread();
			if (filename == null)
			{
				throw new ArgumentNullException("filename");
			}
			IntPtr intPtr = NSString.CreateNative(filename);
			NSImageRep result = (NSImageRep)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepWithContentsOfFile_Handle, intPtr));
			NSString.ReleaseNative(intPtr);
			return result;
		}

		[Export("imageRepsWithContentsOfURL:")]
		public static NSImageRep[] ImageRepsFromUrl(NSUrl url)
		{
			NSApplication.EnsureUIThread();
			if (url == null)
			{
				throw new ArgumentNullException("url");
			}
			return NSArray.ArrayFromHandle<NSImageRep>(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepsWithContentsOfURL_Handle, url.Handle));
		}

		[Export("imageRepWithContentsOfURL:")]
		public static NSImageRep ImageRepFromUrl(NSUrl url)
		{
			NSApplication.EnsureUIThread();
			if (url == null)
			{
				throw new ArgumentNullException("url");
			}
			return (NSImageRep)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepWithContentsOfURL_Handle, url.Handle));
		}

		[Export("imageRepsWithPasteboard:")]
		public static NSImageRep[] ImageRepsFromPasteboard(NSPasteboard pasteboard)
		{
			NSApplication.EnsureUIThread();
			if (pasteboard == null)
			{
				throw new ArgumentNullException("pasteboard");
			}
			return NSArray.ArrayFromHandle<NSImageRep>(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepsWithPasteboard_Handle, pasteboard.Handle));
		}

		[Export("imageRepWithPasteboard:")]
		public static NSImageRep ImageRepFromPasteboard(NSPasteboard pasteboard)
		{
			NSApplication.EnsureUIThread();
			if (pasteboard == null)
			{
				throw new ArgumentNullException("pasteboard");
			}
			return (NSImageRep)Runtime.GetNSObject(Messaging.IntPtr_objc_msgSend_IntPtr(class_ptr, selImageRepWithPasteboard_Handle, pasteboard.Handle));
		}

		[Export("CGImageForProposedRect:context:hints:")]
		public virtual CGImage AsCGImage(ref CGRect proposedDestRect, NSGraphicsContext context, NSDictionary hints)
		{
			NSApplication.EnsureUIThread();
			if (IsDirectBinding)
			{
				return new CGImage(Messaging.IntPtr_objc_msgSend_out_CGRect_IntPtr_IntPtr(base.Handle, selCGImageForProposedRectContextHints_Handle, out proposedDestRect, context?.Handle ?? IntPtr.Zero, hints?.Handle ?? IntPtr.Zero));
			}
			return new CGImage(Messaging.IntPtr_objc_msgSendSuper_out_CGRect_IntPtr_IntPtr(base.SuperHandle, selCGImageForProposedRectContextHints_Handle, out proposedDestRect, context?.Handle ?? IntPtr.Zero, hints?.Handle ?? IntPtr.Zero));
		}
	}
}