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//
// 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;
using System.IO;
using System.Runtime.InteropServices;
using Drawing2D;
using Glfw;
namespace Crow.CairoBackend
{
public abstract class CairoDevice : Device {
protected IntPtr handle = IntPtr.Zero;
public IntPtr Handle => handle;
protected CairoDevice (IntPtr handle, bool owner = true)
{
this.handle = handle;
if (!owner)
NativeMethods.cairo_device_reference (handle);
if (CairoDebug.Enabled)
CairoDebug.OnAllocated (handle);
}
public string Status {
get {
return System.Runtime.InteropServices.Marshal.PtrToStringAuto(NativeMethods.cairo_status_to_string (NativeMethods.cairo_device_status (handle)));
}
}
public Status Acquire()
{
return NativeMethods.cairo_device_acquire (handle);
}
public void Release()
{
NativeMethods.cairo_device_release (handle);
}
protected override void Dispose (bool disposing)
{
base.Dispose (disposing);
if (!disposing || CairoDebug.Enabled)
CairoDebug.OnDisposed<Device> (handle, disposing);
if (!disposing || handle == IntPtr.Zero)
return;
NativeMethods.cairo_device_destroy (handle);
handle = IntPtr.Zero;
}
}
public class Device : IDevice
{
public Device()
{
}
~Device ()
{
Dispose (false);
}
#region IDevice implementation
public void GetDpy(out int hdpy, out int vdpy)
{
throw new NotImplementedException();
}
public void SetDpy(int hdpy, int vdpy)
{
throw new NotImplementedException();
}
#endregion
#region IDispose implementation
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
if (disposing){
}
}
#endregion
}
}
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