public async Task Process()
{
var frames = 1;
await Task.Run(() => {
while (true)
{
Application.Current.Dispatcher.Invoke(() => {
var query = capture.QueryFrame().ToImage <Gray, byte>();
CaptureArgs arg = new CaptureArgs()
{
Image = query
};
OnCapture?.Invoke(this, arg);
if (arg.OutPutImage != null)
{
//var arg.OutPutImage = query.Convert<Bgr, float>();
//CvInvoke.PutText(queryBgr, "FPS: " + (frames / seconds).ToString(), new System.Drawing.Point(10, 60), FontFace.HersheySimplex, 1.0, new Bgr(Color.Red).MCvScalar);
//ContextChanged = queryFunc.Convert<Bgr, float>().Bitmap.Convert();
//Context = queryBgr.Bitmap.Convert();
}
});
frames++;
Task.Delay(16).Wait();
}
});
}
private void Capture()
{
IsCaptured = true;
starObject.GetComponent <Star>().Claim();
TurnIntoStar();
OnCapture?.Invoke(this);
}
/// <summary>
/// 截屏
/// </summary>
/// <param name="rt">屏幕范围</param>
/// <returns></returns>
public static IEnumerator CaptureScreenshot(Rect rt, OnCapture onCapture)
{
yield return(new WaitForEndOfFrame());
Texture2D screenShot = new Texture2D((int)rt.width, (int)rt.height, TextureFormat.RGB24, false);
screenShot.ReadPixels(rt, 0, 0);
screenShot.Apply();
if (onCapture != null)
{
onCapture(screenShot);
}
}
public void Start()
{
_run = true;
var display = new NativeMethods.DISPLAY_DEVICE
{
cb = Marshal.SizeOf(typeof(NativeMethods.DISPLAY_DEVICE))
};
try
{
NativeMethods.EnumDisplayDevices(null, _displayIndex, ref display, 0);
}
catch (Exception ex)
{
Console.WriteLine($"{ex}");
}
var dm = new NativeMethods.DEVMODE
{
dmSize = (short)Marshal.SizeOf(typeof(NativeMethods.DEVMODE))
};
NativeMethods.EnumDisplaySettings(display.DeviceName, -1, ref dm);
Task.Factory.StartNew(() =>
{
while (_run)
{
using var bitmap = new Bitmap(dm.dmPelsWidth, dm.dmPelsHeight);
using var g = Graphics.FromImage(bitmap);
g.CopyFromScreen(dm.dmPositionX, dm.dmPositionY, 0, 0, bitmap.Size);
using var ms = new MemoryStream();
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
OnCapture?.Invoke(this, ms.ToArray());
}
}, CancellationToken.None, TaskCreationOptions.None, TaskScheduler.Default);
}
void Update()
{
if (_selectedChessPiece == null)
{
ChessPieceBase chessPiece = GetRaycastedChessPiece();
if (chessPiece != null)
{
if (Input.GetKeyDown(KeyCode.Mouse0))
{
_selectedChessPiece = chessPiece;
OnChessPieceSelection?.Invoke(chessPiece);
}
}
}
else
{
Square square = GetRaycastedSquare();
if (square != null)
{
if (Input.GetKeyDown(KeyCode.Mouse0) && _selectedChessPiece.GetMoves().Contains(square.transform.position))
{
Vector3 temp = _selectedChessPiece.transform.position;
_selectedChessPiece.transform.position = square.transform.position;
if (!Board.CheckIfCheck(_selectedChessPiece.Color))
{
OnMove?.Invoke(_selectedChessPiece);
OnDeselection?.Invoke();
_selectedChessPiece = null;
}
else
{
_selectedChessPiece.transform.position = temp;
}
}
}
ChessPieceBase chessPiece = GetRaycastedChessPiece();
if (chessPiece != null && chessPiece.Type != PiecesType.King)
{
if (Input.GetKeyDown(KeyCode.Mouse0) && _selectedChessPiece != null && _selectedChessPiece.GetMoves().Contains(chessPiece.transform.position))
{
Vector3 temp = _selectedChessPiece.transform.position;
_selectedChessPiece.transform.position = chessPiece.transform.position;
if (!Board.CheckIfCheck(_selectedChessPiece.Color))
{
OnMove?.Invoke(_selectedChessPiece);
OnCapture?.Invoke(chessPiece, _selectedChessPiece);
OnDeselection?.Invoke();
_selectedChessPiece = null;
}
else
{
_selectedChessPiece.transform.position = temp;
}
}
}
}
if (Input.GetKeyDown(KeyCode.Mouse1))
{
OnDeselection?.Invoke();
_selectedChessPiece = null;
}
}
private void OnLoaded()
{
_frame = new Mat();
cmdCapture.Click += (s, e) =>
{
// This
_grabbedFrame = new Mat();
_capt.Grab();
_capt.Retrieve(_grabbedFrame, 0);
// Or this
//_grabbedFrame = _capt.QueryFrame();
if (!_grabbedFrame.IsEmpty)
{
ImageProcessing.ImageProcessingInstance.SaveDirectory = "Gallery/";
ImageProcessing.ImageProcessingInstance.SaveImageToFile(new Func <string>(() =>
{
var files = ImageProcessing.ImageProcessingInstance.GetFilesInSaveDir(ImageProcessing.FileNameSetting.WithoutExtension);
if (files.Count == 0)
{
return(0.ToString());
}
return((Convert.ToInt32(files.Last()) + 1).ToString());
}).Invoke(), _grabbedFrame.Bitmap, System.Drawing.Imaging.ImageFormat.Jpeg);
OnCapture?.Invoke(this, _grabbedFrame.Bitmap);
}
};
try
{
_capt = new VideoCapture(0);
_capt.ImageGrabbed += (s, e) =>
{
if (_capt == null)
{
return;
}
if (_capt.Ptr == IntPtr.Zero)
{
return;
}
_capt.Retrieve(_frame, 0);
if (_frame.IsEmpty)
{
return;
}
if (_frame.Bitmap == null)
{
return;
}
//TryFindFace(_frame);
try
{
CvInvoke.PyrDown(_frame, _frame);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
Dispatcher.Invoke(() =>
{
imgPreview.Source = BitmapSourceConvert.ToBitmapSource(_frame);
});
};
_capt.FlipHorizontal = !_capt.FlipHorizontal;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Err", MessageBoxButton.OK, MessageBoxImage.Error);
}
//_capt.SetCaptureProperty(Emgu.CV.CvEnum.CapProp.Fps, 15); // Camera settings
SetHighResolution();
//_capt.Start();
new Task(async() =>
{
await Task.Delay(1100);
Dispatcher.Invoke(() =>
{
grdMainContainer.Children.RemoveAt(grdMainContainer.Children.Count - 1);
imgPreview.Visibility = Visibility.Visible;
cmdCapture.Visibility = Visibility.Visible;
});
}).Start();
}
