public void ReceiveProc(long pData, int lWidth, int lHeight, int lBitCount, int lSize, int bTopDown)
{
if (!_owner.IsDisposed && !_owner.Disposing)
{
try
{
if (_width != lWidth || _height != lHeight || _bitCount != lBitCount || _topDown != bTopDown)
{
if (_image != null)
{
_image.Dispose();
}
_image = new RasterImage(RasterMemoryFlags.Conventional,
lWidth,
lHeight,
lBitCount,
RasterByteOrder.Bgr,
bTopDown == 1 ? RasterViewPerspective.TopLeft : RasterViewPerspective.BottomLeft,
null,
null,
lSize);
_width = lWidth;
_height = lHeight;
_bitCount = lBitCount;
_topDown = bTopDown;
}
_image.Access();
_image.SetRow(0, new IntPtr(pData), lSize);
_image.Release();
Form1 form = _owner as Form1;
if (form != null)
{
GuideRect = CreditCardScanner.GetGuideFrame(_owner.ClientRectangle.Width, _owner.ClientRectangle.Height, form.CaptureCtrl.Width, form.CaptureCtrl.Height);
_owner.Invalidate();
}
if (!_isRecognized && _threading == false)
{
byte[] data = new byte[lSize];
System.Runtime.InteropServices.Marshal.Copy(new IntPtr(pData), data, 0, lSize);
Task processFrame = Task.Factory.StartNew(() => ProcessFrame(data, lWidth, lHeight, bTopDown, lBitCount));
}
if (_isRecognized == true)
{
MessageBox.Show(_recognizedCardNumber);
_recognizedCardNumber = "";
_isRecognized = false;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
public Callback(Control owner)
{
_owner = owner;
_scanner = new CreditCardScanner();
}