private void dislpayTimer_Tick(object sender, EventArgs ev)
{
// duplicate output stuff
SharpDX.DXGI.Resource screenResource = null;
SharpDX.DataStream dataStream;
SharpDX.DXGI.Surface screenSurface;
try
{
SharpDX.DXGI.OutputDuplicateFrameInformation duplicateFrameInformation;
duplicatedOutput.AcquireNextFrame(1000, out duplicateFrameInformation, out screenResource);
}
catch (SharpDX.SharpDXException e)
{
if (e.ResultCode.Code == SharpDX.DXGI.ResultCode.WaitTimeout.Result.Code)
{
// keep retrying
return;
}
else
{
throw e;
}
}
// copy resource into memory that can be accessed by the CPU
c_device.ImmediateContext.CopyResource(screenResource.QueryInterface <SharpDX.Direct3D11.Resource>(), screenTexture);
// cast from texture to surface, so we can access its bytes
screenSurface = screenTexture.QueryInterface <SharpDX.DXGI.Surface>();
// map the resource to access it
screenSurface.Map(SharpDX.DXGI.MapFlags.Read, out dataStream);
getImageFromDXStream(dataStream);
captureBox.Image = target;
// free resources
dataStream.Close();
screenSurface.Unmap();
screenSurface.Dispose();
screenResource.Dispose();
duplicatedOutput.ReleaseFrame();
// print how many frames we could process within the last second
Console.WriteLine("fps: {0}", 1f / sw.Elapsed.TotalSeconds);
sw.Reset();
sw.Start();
}
private void OnRender(IntPtr handle, bool isNewSurface)
{
if (isNewSurface)
{
if (brush != null)
{
brush.Dispose();
brush = null;
}
if (renderTarget != null)
{
renderTarget.Dispose();
renderTarget = null;
}
SharpDX.ComObject comObject = new SharpDX.ComObject(handle);
SharpDX.DXGI.Resource resource = comObject.QueryInterface <SharpDX.DXGI.Resource>();
SharpDX.Direct3D10.Texture2D texture = resource.QueryInterface <SharpDX.Direct3D10.Texture2D>();
using (var surface = texture.QueryInterface <SharpDX.DXGI.Surface>())
{
var properties = new RenderTargetProperties();
properties.DpiX = 96;
properties.DpiY = 96;
properties.MinLevel = FeatureLevel.Level_DEFAULT;
properties.PixelFormat = new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.Unknown, AlphaMode.Premultiplied);
properties.Type = RenderTargetType.Default;
properties.Usage = RenderTargetUsage.None;
renderTarget = new RenderTarget(new Factory(), surface, properties);
}
}
if (brush == null)
{
brush = new SharpDX.Direct2D1.SolidColorBrush(renderTarget, new SharpDX.Color4(0.2f, 0.2f, 0.2f, 0.5f));
}
renderTarget.BeginDraw();
renderTarget.DrawTextLayout(new SharpDX.Vector2(50, 50), textLayout, brush);
renderTarget.EndDraw();
}