static public void D2dRelease(Direct2DInformation info)
{
info._bufferBack?.Dispose();
info.View?.Dispose();
info.ImagingFacy?.Dispose();
info.d2DDevice?.Dispose();
info.D2DFacy?.Dispose();
info.dxgiDevice?.Dispose();
info.d3DDevice?.Dispose();
}
private bool isRunning = false;//指示是否正在运行
static public Direct2DInformation D2dInit(Size2 size)
{
Direct2DInformation result = new Direct2DInformation();
result.d3DDevice = new SharpDX.Direct3D11.Device(DriverType.Hardware, DeviceCreationFlags.BgraSupport);
var __dxgiDevice = result.d3DDevice.QueryInterface <Device>();
result.dxgiDevice = __dxgiDevice.QueryInterface <SharpDX.DXGI.Device>();
__dxgiDevice.Dispose();
result.D2DFacy = new D2DFactory();
result.d2DDevice = new SharpDX.Direct2D1.Device(result.D2DFacy, result.dxgiDevice);
result.View = new DeviceContext(result.d2DDevice, DeviceContextOptions.EnableMultithreadedOptimizations);
result.ImagingFacy = new ImagingFactory();
result._bufferBack = new D2DBitmap(result.View, size,
new BitmapProperties1(new PixelFormat(Format.B8G8R8A8_UNorm, AlphaMode.Premultiplied), 72, 72, BitmapOptions.Target | BitmapOptions.CannotDraw));
result.View.Target = result._bufferBack;
return(result);
}
public void DrawStartup()
{
buffer = new WriteableBitmap((int)Width, (int)Height, 72, 72, System.Windows.Media.PixelFormats.Pbgra32, null);
this.Source = buffer;
TargetDpi = 60;
Speed = 1.0d / TargetDpi;
isRunning = true;
m_d2d_info = D2dInit(new Size2((int)Width, (int)Height));
if (FirstDraw != null)
{
try
{
FirstDraw(m_d2d_info, null);
this.Dispatcher.Invoke(new Action(() => { Commit(); }));
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
}
m_Dipter = new DispatcherTimer()
{
Interval = TimeSpan.FromSeconds(1)
};
m_Dipter.Tick += (e, v) =>
{
FrameRate = Times;
Debug.WriteLine("Speed:" + FrameRate.ToString());
Times = 0;
};
m_Dipter2 = new Thread(() =>
{//绘图代码
while (isRunning)
{
DrawProcResult?UpData = null;
Stopwatch sw = new Stopwatch();
sw.Start();
UpData = DrawProc?.Invoke(m_d2d_info);
if (!(UpData == DrawProcResult.Ignore || UpData == null))
{
this.Dispatcher.Invoke(new Action(() => { Commit(); }));
}
sw.Stop();
while (CleanTasks.Count > 0)
{
CleanTasks[0].Dispose();
CleanTasks.RemoveAt(0);
}
decimal time = sw.ElapsedTicks / (decimal)Stopwatch.Frequency * 1000;
decimal wait_time = 1000.0M / (decimal)TargetDpi - time;
if (wait_time < 0)
{
wait_time = 0;
}
if (UpData == DrawProcResult.Normal || UpData == null)
{
Thread.Sleep((int)wait_time);
Times++;
continue;
}
if (UpData == DrawProcResult.Ignore)
{
continue;
}
if (UpData == DrawProcResult.Death)
{
this.Dispose();
break;
}
}
Disposing?.Invoke(this);
buffer = null;
//////
D2dRelease(m_d2d_info);
Disposed?.Invoke();
})
{
IsBackground = true
};
Stretch = System.Windows.Media.Stretch.Fill;
m_Dipter.Start();
m_Dipter2.Start();
}
