private void CameraView_PictureReceived(FrameHandlerEventArgs e)
{
if (e.Image != null)
{
OnPageClosing(e.Image.Clone());
}
}
private void LeadCamera_FrameReceived(FrameHandlerEventArgs e)
{
if (e.Image == null)
{
return;
}
if (leadCamera.Camera.FocusMode != FocusMode.Continuous)
{
leadCamera.Camera.FocusMode = FocusMode.Continuous;
}
if (firstFrame)
{
#if __ANDROID__
if (Android.OS.Build.Manufacturer == "samsung")
{
leadCamera.Camera.Focus();
}
#endif // #if __ANDROID__
firstFrame = false;
}
try
{
if (!_hold)
{
_autoCapture.CheckStability(e.Image);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
if (_hold && _checkStability)
{
_checkStability = false;
bool holdStable = _autoCapture.CheckHoldStability(e.Image);
if (!holdStable)
{
_captureWatch.Stop();
_captureWatch = null;
_hold = false;
_autoCapture.Reset();
Device.BeginInvokeOnMainThread(() =>
{
UpdateCardDetectionStatus();
});
}
else if (holdStable && _captureWatch.ElapsedMilliseconds > 2000)
{
leadCamera.FrameReceived -= LeadCamera_FrameReceived;
_captureImage = true;
leadCamera.Camera.FocusMode = FocusMode.Auto;
leadCamera.FocusCompleted += leadCamera_FocusCompleted;
leadCamera.Camera.Focus();
}
}
e.Image.Dispose();
if (_autoCapture.IsStable)
{
if (CurrentOperation == CameraOperationType.BackImage)
{
leadCamera.FrameReceived -= LeadCamera_FrameReceived;
_captureImage = true;
leadCamera.Camera.FocusMode = FocusMode.Auto;
leadCamera.FocusCompleted += leadCamera_FocusCompleted;
leadCamera.Camera.Focus();
return;
}
if (_captureWatch == null)
{
_captureWatch = Stopwatch.StartNew();
_autoCapture.Reset();
_hold = true;
_checkHoldTimer = new Timer();
_checkHoldTimer.Interval = 600;
_checkHoldTimer.Elapsed += _checkHoldTimer_Elapsed;
_checkHoldTimer.Enabled = true;
_checkHoldTimer.AutoReset = true;
Device.BeginInvokeOnMainThread(() =>
{
autoCaptureLabel.Text = "Please Hold On";
autoCaptureLabel.TextColor = Color.Yellow;
});
}
}
}
private void handleFrames(object sender, FrameHandlerEventArgs e)
{
_previewRenderer.RenderFrame(_videoManager.GetLatestPreviewFrame());
_processedRenderer.RenderFrame(_videoManager.GetLatestProcessedFrame());
}
