no more submodule

GtkSharp/Source/Libs/CairoSharp/Region.cs

@@ -0,0 +1,227 @@
+// Copyright (C) 2011 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace Cairo
+{
+
+	[StructLayout(LayoutKind.Sequential)]
+	public struct RectangleInt {
+		public int X;
+		public int Y;
+		public int Width;
+		public int Height;
+	}
+
+	public enum RegionOverlap {
+		In,
+		Out,
+		Part,
+	}
+
+	public class Region : IDisposable {
+
+		IntPtr handle;
+		public IntPtr Handle {
+			get { return handle; }
+		}
+
+		[Obsolete]
+		public Region (IntPtr handle) : this (handle, false) {}
+
+		public Region (IntPtr handle, bool owned)
+		{
+			if (handle == IntPtr.Zero)
+				throw new ArgumentException ("handle should not be NULL", "handle");
+
+			this.handle = handle;
+			if (!owned)
+				NativeMethods.cairo_region_reference (handle);
+			if (CairoDebug.Enabled)
+				CairoDebug.OnAllocated (handle);
+		}
+
+		public Region () : this (NativeMethods.cairo_region_create () , true)
+		{
+		}
+
+		public Region (RectangleInt rect)
+		{
+			handle = NativeMethods.cairo_region_create_rectangle (ref rect);
+		}
+
+		public Region (RectangleInt[] rects)
+		{
+			handle = NativeMethods.cairo_region_create_rectangles (rects, rects.Length);
+		}
+
+		public Region Copy ()
+		{
+			CheckDisposed ();
+			return new Region (NativeMethods.cairo_region_copy (Handle), true);
+		}
+
+		~Region ()
+		{
+			Dispose (false);
+		}
+
+		public void Dispose ()
+		{
+			Dispose (true);
+			GC.SuppressFinalize (this);
+		}
+
+		protected virtual void Dispose (bool disposing)
+		{
+			if (!disposing || CairoDebug.Enabled)
+				CairoDebug.OnDisposed<Region> (handle, disposing);
+
+			if (handle == IntPtr.Zero)
+				return;
+
+			NativeMethods.cairo_region_destroy (Handle);
+			handle = IntPtr.Zero;
+		}
+
+		void CheckDisposed ()
+		{
+			if (handle == IntPtr.Zero)
+				throw new ObjectDisposedException ("Object has already been disposed");
+		}
+
+		public override bool Equals (object obj)
+		{
+			return (obj is Region) && NativeMethods.cairo_region_equal (Handle, (obj as Region).Handle);
+		}
+
+		public override int GetHashCode ()
+		{
+			return Handle.GetHashCode ();
+		}
+
+		public Status Status {
+			get {
+				CheckDisposed ();
+				return NativeMethods.cairo_region_status (Handle); }
+		}
+
+		public RectangleInt Extents {
+			get {
+				CheckDisposed ();
+				RectangleInt result;
+				NativeMethods.cairo_region_get_extents (Handle, out result);
+				return result;
+			}
+		}
+
+		public int NumRectangles {
+			get {
+				CheckDisposed ();
+				return NativeMethods.cairo_region_num_rectangles (Handle);
+			}
+		}
+
+		public RectangleInt GetRectangle (int nth)
+		{
+			CheckDisposed ();
+			RectangleInt val;
+			NativeMethods.cairo_region_get_rectangle (Handle, nth, out val);
+			return val;
+		}
+
+		public bool IsEmpty {
+			get {
+				CheckDisposed ();
+				return NativeMethods.cairo_region_is_empty (Handle);
+			}
+		}
+
+		public RegionOverlap ContainsPoint (RectangleInt rectangle)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_contains_rectangle (Handle, ref rectangle);
+		}
+
+		public bool ContainsPoint (int x, int y)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_contains_point (Handle, x, y);
+		}
+
+		public void Translate (int dx, int dy)
+		{
+			CheckDisposed ();
+			NativeMethods.cairo_region_translate (Handle, dx, dy);
+		}
+
+		public Status Subtract (Region other)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_subtract (Handle, other.Handle);
+		}
+
+		public Status SubtractRectangle (RectangleInt rectangle)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_subtract_rectangle (Handle, ref rectangle);
+		}
+
+		public Status Intersect (Region other)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_intersect (Handle, other.Handle);
+		}
+
+		public Status IntersectRectangle (RectangleInt rectangle)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_intersect_rectangle (Handle, ref rectangle);
+		}
+
+		public Status Union (Region other)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_union (Handle, other.Handle);
+		}
+
+		public Status UnionRectangle (RectangleInt rectangle)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_union_rectangle (Handle, ref rectangle);
+		}
+
+		public Status Xor (Region other)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_xor (Handle, other.Handle);
+		}
+
+		public Status XorRectangle (RectangleInt rectangle)
+		{
+			CheckDisposed ();
+			return NativeMethods.cairo_region_xor_rectangle (Handle, ref rectangle);
+		}
+	}
+}