// Copyright (c) 2011 Novell, Inc. // // 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 enum DeviceType { Drm, GL, Script, Xcb, Xlib, Xml, } public class Device : IDisposable { IntPtr handle; internal Device (IntPtr handle) { if (handle == IntPtr.Zero) throw new ArgumentException ("handle should not be NULL", "handle"); this.handle = NativeMethods.cairo_device_reference (handle); } public Status Acquire () { CheckDisposed (); return NativeMethods.cairo_device_acquire (handle); } public void Dispose () { if (handle != IntPtr.Zero) NativeMethods.cairo_device_destroy (handle); handle = IntPtr.Zero; GC.SuppressFinalize (this); } void CheckDisposed () { if (handle == IntPtr.Zero) throw new ObjectDisposedException ("Object has already been disposed"); } public void Finish () { CheckDisposed (); NativeMethods.cairo_device_finish (handle); } public void Flush () { CheckDisposed (); NativeMethods.cairo_device_flush (handle); } public void Release () { CheckDisposed (); NativeMethods.cairo_device_release (handle); } public Status Status { get { CheckDisposed (); return NativeMethods.cairo_device_status (handle); } } public DeviceType Type { get { CheckDisposed (); return NativeMethods.cairo_device_get_type (handle); } } } }