mirror of
https://github.com/Ryujinx/GtkSharp.git
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![Andrés G. Aragoneses](/assets/img/avatar_default.png)
Apply same finalizer leak fix to the rest of IDisposable-ownership cairo classes as the one recently committed for Cairo.Context[1]. [1] https://github.com/mono/gtk-sharp/commit/41eeecbf9a6d8
228 lines
5.4 KiB
C#
228 lines
5.4 KiB
C#
// Copyright (C) 2011 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Runtime.InteropServices;
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namespace Cairo
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{
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[StructLayout(LayoutKind.Sequential)]
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public struct RectangleInt {
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public int X;
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public int Y;
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public int Width;
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public int Height;
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}
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public enum RegionOverlap {
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In,
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Out,
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Part,
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}
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public class Region : IDisposable {
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IntPtr handle;
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public IntPtr Handle {
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get { return handle; }
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}
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[Obsolete]
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public Region (IntPtr handle) : this (handle, false) {}
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public Region (IntPtr handle, bool owned)
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{
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if (handle == IntPtr.Zero)
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throw new ArgumentException ("handle should not be NULL", "handle");
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this.handle = handle;
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if (!owned)
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NativeMethods.cairo_region_reference (handle);
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if (CairoDebug.Enabled)
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CairoDebug.OnAllocated (handle);
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}
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public Region () : this (NativeMethods.cairo_region_create () , true)
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{
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}
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public Region (RectangleInt rect)
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{
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handle = NativeMethods.cairo_region_create_rectangle (ref rect);
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}
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public Region (RectangleInt[] rects)
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{
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handle = NativeMethods.cairo_region_create_rectangles (rects, rects.Length);
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}
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public Region Copy ()
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{
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CheckDisposed ();
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return new Region (NativeMethods.cairo_region_copy (Handle), true);
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}
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~Region ()
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{
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Dispose (false);
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}
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public void Dispose ()
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{
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Dispose (true);
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GC.SuppressFinalize (this);
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}
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protected virtual void Dispose (bool disposing)
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{
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if (!disposing || CairoDebug.Enabled)
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CairoDebug.OnDisposed<Region> (handle, disposing);
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if (handle == IntPtr.Zero)
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return;
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NativeMethods.cairo_region_destroy (Handle);
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handle = IntPtr.Zero;
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}
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void CheckDisposed ()
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{
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if (handle == IntPtr.Zero)
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throw new ObjectDisposedException ("Object has already been disposed");
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}
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public override bool Equals (object obj)
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{
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return (obj is Region) && NativeMethods.cairo_region_equal (Handle, (obj as Region).Handle);
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}
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public override int GetHashCode ()
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{
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return Handle.GetHashCode ();
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}
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public Status Status {
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get {
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CheckDisposed ();
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return NativeMethods.cairo_region_status (Handle); }
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}
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public RectangleInt Extents {
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get {
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CheckDisposed ();
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RectangleInt result;
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NativeMethods.cairo_region_get_extents (Handle, out result);
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return result;
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}
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}
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public int NumRectangles {
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get {
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CheckDisposed ();
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return NativeMethods.cairo_region_num_rectangles (Handle);
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}
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}
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public RectangleInt GetRectangle (int nth)
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{
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CheckDisposed ();
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RectangleInt val;
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NativeMethods.cairo_region_get_rectangle (Handle, nth, out val);
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return val;
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}
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public bool IsEmpty {
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get {
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CheckDisposed ();
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return NativeMethods.cairo_region_is_empty (Handle);
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}
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}
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public RegionOverlap ContainsPoint (RectangleInt rectangle)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_contains_rectangle (Handle, ref rectangle);
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}
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public bool ContainsPoint (int x, int y)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_contains_point (Handle, x, y);
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}
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public void Translate (int dx, int dy)
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{
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CheckDisposed ();
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NativeMethods.cairo_region_translate (Handle, dx, dy);
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}
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public Status Subtract (Region other)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_subtract (Handle, other.Handle);
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}
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public Status SubtractRectangle (RectangleInt rectangle)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_subtract_rectangle (Handle, ref rectangle);
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}
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public Status Intersect (Region other)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_intersect (Handle, other.Handle);
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}
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public Status IntersectRectangle (RectangleInt rectangle)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_intersect_rectangle (Handle, ref rectangle);
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}
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public Status Union (Region other)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_union (Handle, other.Handle);
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}
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public Status UnionRectangle (RectangleInt rectangle)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_union_rectangle (Handle, ref rectangle);
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}
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public Status Xor (Region other)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_xor (Handle, other.Handle);
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}
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public Status XorRectangle (RectangleInt rectangle)
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{
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CheckDisposed ();
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return NativeMethods.cairo_region_xor_rectangle (Handle, ref rectangle);
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}
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}
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}
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