private void CapturedDeviceSelectedIndexChanged(object sender, EventArgs e)
{
StartStop.Enabled = true;
if (CapturedDevice.SelectedItem.ToString() != String.Empty)
{
CapturedMonitor.Enabled = true;
}
CapturedMonitor.Items.Clear();
foreach (SharpDX.DXGI.Output outputs in new SharpDX.DXGI.Factory1().Adapters[CapturedDevice.SelectedIndex].Outputs)
{
CapturedMonitor.Items.Add(outputs.Description.DeviceName.Trim('\\', '.'));
}
if (System.Configuration.ConfigurationManager.AppSettings["CapturedMonitor"] != null && CapturedMonitor.Items.Contains(System.Configuration.ConfigurationManager.AppSettings["CapturedMonitor"]))
{
CapturedMonitor.SelectedIndex = CapturedMonitor.FindString(System.Configuration.ConfigurationManager.AppSettings["CapturedMonitor"]);
}
else if (CapturedMonitor.Items.Count > 0)
{
CapturedMonitor.SelectedIndex = 0;
}
else
{
CapturedMonitor.Enabled = StartStop.Enabled = false;
}
}
private void DXCapture()
{
Adapter adapter = null;
CapturedDevice.Invoke((MethodInvoker) delegate { adapter = new Factory1().Adapters[CapturedDevice.SelectedIndex]; }); //Console.WriteLine(factory.GetAdapterCount());
var device = new Device(adapter); //Create device from Adapter //foreach (Adapter adapters in factory.Adapters) Console.WriteLine(adapters.Description.Description);
Output output = null; //Get DXGI.Output //foreach (Output outputs in adapter.Outputs) Console.WriteLine(outputs.Description.DeviceName);
CapturedMonitor.Invoke((MethodInvoker) delegate { output = adapter.GetOutput(CapturedMonitor.SelectedIndex); });
var output1 = output.QueryInterface <Output1>();
int width = output.Description.DesktopBounds.Right; //Width/Height of desktop to capture
int height = output.Description.DesktopBounds.Bottom;
Texture2DDescription textureDesc = new Texture2DDescription //Create Staging texture CPU-accessible
{
CpuAccessFlags = CpuAccessFlags.Read,
BindFlags = BindFlags.None,
Format = Format.B8G8R8A8_UNorm,
Width = width,
Height = height,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Staging
};
var screenTexture = new Texture2D(device, textureDesc);
var duplicatedOutput = output1.DuplicateOutput(device); //Duplicate the output
int ledsx = LedsX.Value;
int ledsy = LedsY.Value;
int leftoffset = 0, upperoffset = 0, customwidth = width, customheight = height;
int index = 0;
CaptureArea.Invoke((MethodInvoker) delegate { index = CaptureArea.SelectedIndex; });
if (index == 1)
{
leftoffset = (width - Convert.ToInt32(CustomWidth.Text)) / 2;
upperoffset = (height - Convert.ToInt32(CustomHeight.Text)) / 2;
customwidth = Convert.ToInt32(CustomWidth.Text);
customheight = Convert.ToInt32(CustomHeight.Text);
}
else if (index == 2)
{
leftoffset = Convert.ToInt32(LeftOffset.Text);
upperoffset = Convert.ToInt32(UpperOffset.Text);
customwidth = width - leftoffset - Convert.ToInt32(RightOffset.Text);
customheight = height - upperoffset - Convert.ToInt32(LowerOffset.Text);
}
bool init = false;
sw.Start();
Task.Factory.StartNew(() =>
{
while (StartStop.Checked && SerialPort.IsOpen)
{
WakeUp();
try
{
duplicatedOutput.AcquireNextFrame(100, out OutputDuplicateFrameInformation duplicateFrameInformation, out SharpDX.DXGI.Resource screenResource); // Try to get duplicated frame within given time
if (init)
{
using (var screenTexture2D = screenResource.QueryInterface <Texture2D>()) device.ImmediateContext.CopyResource(screenTexture2D, screenTexture); // copy resource into memory that can be accessed by the CPU
var mapSource = device.ImmediateContext.MapSubresource(screenTexture, 0, MapMode.Read, MapFlags.None); // Get the desktop capture texture
var bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb); // Create Drawing.Bitmap
var boundsRect = new Rectangle(0, 0, width, height);
var mapDest = bitmap.LockBits(boundsRect, ImageLockMode.WriteOnly, bitmap.PixelFormat); // Copy pixels from screen capture Texture to GDI bitmap
var sourcePtr = mapSource.DataPointer;
var destPtr = mapDest.Scan0;
for (int y = 0; y < height; y++)
{
Utilities.CopyMemory(destPtr, sourcePtr, width * 4); // Copy a single line
sourcePtr = IntPtr.Add(sourcePtr, mapSource.RowPitch); // Advance pointers
destPtr = IntPtr.Add(destPtr, mapDest.Stride);
}
bitmap.UnlockBits(mapDest); // Release source and dest locks
device.ImmediateContext.UnmapSubresource(screenTexture, 0);
using (var tempbmp = new Bitmap(ledsx, ledsy, PixelFormat.Format32bppRgb))
{
Graphics tempbmpgr = Graphics.FromImage(tempbmp);
tempbmpgr.InterpolationMode = intrpmode; //nearest nighbour, low, default, bicubic, bilinear,
tempbmpgr.DrawImage(bitmap, new Rectangle(0, 0, ledsx, ledsy), leftoffset, upperoffset, customwidth, customheight, GraphicsUnit.Pixel);
Color color;
for (int x = 0; x < ledsx; x++) //these for's take 5-7ms
{
color = tempbmp.GetPixel(x, ledsy - 1);
SerialPort.Write(new byte[] { color.R, color.G, color.B }, 0, 3);
}
for (int y = ledsy - 1; y >= 0; y--)
{
color = tempbmp.GetPixel(ledsx - 1, y);
SerialPort.Write(new byte[] { color.R, color.G, color.B }, 0, 3);
}
for (int x = ledsx - 1; x >= 0; x--)
{
color = tempbmp.GetPixel(x, 0);
SerialPort.Write(new byte[] { color.R, color.G, color.B }, 0, 3);
}
for (int y = 0; y < ledsy; y++)
{
color = tempbmp.GetPixel(0, y);
SerialPort.Write(new byte[] { color.R, color.G, color.B }, 0, 3);
}
ScreenRefreshed?.Invoke(this, EventArgs.Empty);
GC.Collect();
}
}
init = true;
screenResource.Dispose();
duplicatedOutput.ReleaseFrame();
}
catch (SharpDXException) { }
}
if (!StartStop.Checked)
{
sw.Stop();
SerialPort.Close();
duplicatedOutput.Dispose();
screenTexture.Dispose();
}
});
GC.Collect();
}
