private void StartCapturing(IntPtr handle, CancellationToken ct)
{
var stop = false;
while (!stop && !ct.IsCancellationRequested)
{
try
{
var capture = CaptureWindow(handle);
OnImageCaptured?.Invoke(capture);
}
catch (Exception e)
{
Console.WriteLine($"Capturing error: {e.Message}. Stopping capture and trying to find window again.");
stop = true;
}
}
}
private void ImageCaptured(Bitmap bitmap)
{
DateTime dtCap = DateTime.Now;
// Always save the bitmap
lock ( _bitmapLock )
{
_bitmap = bitmap;
}
// FPS affects the callbacks only
if (_fpslimit != -1)
{
if (_dtLastCap != DateTime.MinValue)
{
double milliseconds = ((dtCap.Ticks - _dtLastCap.Ticks) / TimeSpan.TicksPerMillisecond) * 1.15;
if (milliseconds + _timeBehind >= _timeBetweenFrames)
{
_timeBehind = (milliseconds - _timeBetweenFrames);
if (_timeBehind < 0.0)
{
_timeBehind = 0.0;
}
}
else
{
_timeBehind = 0.0;
return; // ignore the frame
}
}
}
if (OnImageCaptured != null)
{
var fps = ( int )(1 / dtCap.Subtract(_dtLastCap).TotalSeconds);
OnImageCaptured.Invoke(this, new CameraEventArgs(bitmap, fps));
}
_dtLastCap = dtCap;
}
public void TakeCameraImage()
{
Dexter.WithContext(_context)
.WithPermissions(Manifest.Permission.Camera, Manifest.Permission.WriteExternalStorage)
.WithListener(new MultiplePermissionsListener((permissions, token) =>
{
token.ContinuePermissionRequest();
}, (report) =>
{
if (report.AreAllPermissionsGranted())
{
fileName = GenerateRandomString(6) + ".jpg";
Intent takePictureIntent = new Intent(MediaStore.ActionImageCapture);
takePictureIntent.PutExtra(MediaStore.ExtraOutput, GetCacheImagePath(fileName));
if (takePictureIntent.ResolveActivity(_context.PackageManager) != null)
{
OnImageCaptured?.Invoke(this, new ImageSelectedEventArgs {
imageIntent = takePictureIntent, fileName = fileName
});
}
}
})).Check();
}
