aboutsummaryrefslogtreecommitdiffstatsci
path: root/src/Mono.Cairo/Device.cs
blob: 06715bc9e99aa9d3fde6fb5cf98e573702fb86c9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
//
// Mono.Cairo.Device.cs
//
// Authors:
//			JP Bruyère (jp_bruyere@hotmail.com)
//
// This is an OO wrapper API for the Cairo API
//
// Copyright (C) 2016 JP Bruyère
//
// 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;

namespace Cairo
{
	public class Device : IDisposable
	{
		IntPtr handle = IntPtr.Zero;

		protected Device()
		{
		}

		protected Device (IntPtr ptr) : this (ptr, true)
		{
		}

		protected Device (IntPtr handle, bool owner)
		{
			this.handle = handle;
			if (!owner)
				NativeMethods.cairo_device_reference (handle);
			if (CairoDebug.Enabled)
				CairoDebug.OnAllocated (handle);
		}

		~Device ()
		{
			Dispose (false);
		}

		public IntPtr Handle {
			get {
				return handle;
			}
		}
		public string Status {
			get {
				return  System.Runtime.InteropServices.Marshal.PtrToStringAuto(NativeMethods.cairo_status_to_string (NativeMethods.cairo_device_status (handle)));
			}
		}
		public void SetThreadAware (bool value){
			NativeMethods.cairo_gl_device_set_thread_aware (handle, value ? 1 : 0);
		}
		public Status Acquire()
		{
			return NativeMethods.cairo_device_acquire (handle);
		}
		public void Release()
		{
			NativeMethods.cairo_device_release (handle);
		}

		public void Dispose ()
		{
			Dispose (true);
			GC.SuppressFinalize (this);
		}

		protected virtual void Dispose (bool disposing)
		{
			if (!disposing || CairoDebug.Enabled)
				CairoDebug.OnDisposed<Device> (handle, disposing);

			if (!disposing || handle == IntPtr.Zero)
				return;

			NativeMethods.cairo_device_destroy (handle);
			handle = IntPtr.Zero;
		}
	}
}