public Bitmap ExportBitMap()
{
if (!Connected)
{
return(null);
}
var t = new _FTRSCAN_IMAGE_SIZE();
ftrScanGetImageSize(device, out t);
byte[] arr = new byte[t.nImageSize];
ftrScanGetImage(device, 4, arr);
var b = new Bitmap(t.nWidth, t.nHeight);
for (int x = 0; x < t.nWidth; x++)
{
for (int y = 0; y < t.nHeight; y++)
{
int a = 255 - arr[y * t.nWidth + x];
b.SetPixel(x, y, Color.FromArgb(a, a, a));
}
}
return(b);
}
public ImageResult GetFingerprint()
{
try
{
if (!Connected)
{
onInfo?.Invoke(MSGAPI3);
return(null);
}
onInfo?.Invoke(MSGAPI8);
var t = new _FTRSCAN_IMAGE_SIZE();
ftrScanGetImageSize(device, out t);
byte[] arr = new byte[t.nImageSize];
ftrScanGetImage(device, dose, arr);
int cx = crop ? 40 : 0;
int cy = crop ? 60 : 0;
int Width = crop ? t.nWidth - 80 : t.nWidth;
int Height = crop ? t.nHeight - 80 : t.nHeight;
int i = 0;
// Em Crop: 320-80 x 480-80 = > 96000 bytes
var ir = new ImageResult()
{
Data = new byte[Width * Height],
Image = new Bitmap(Width, Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb)
};
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
byte a = (byte)(0xFF - arr[((y + cy) * t.nWidth) + (x + cx)]);
// a = (byte)x; // teste Gray Scale
ir.Data[i] = a;
ir.Image.SetPixel(x, y, Color.FromArgb(a, a, a));
i++;
}
}
return(ir);
}
catch (Exception ex)
{
onError?.Invoke(ex);
return(null);
}
}
public Bitmap ExportBitMap()
{
if (!Connected)
return null;
var t = new _FTRSCAN_IMAGE_SIZE();
ftrScanGetImageSize(device, out t);
byte[] arr = new byte[t.nImageSize];
ftrScanGetImage(device, 4, arr);
var b = new Bitmap(t.nWidth, t.nHeight);
for (int x = 0; x < t.nWidth; x++)
for (int y = 0; y < t.nHeight; y++)
{
int a = 255 - arr[y * t.nWidth + x];
b.SetPixel(x, y, Color.FromArgb(a, a, a));
}
return b;
}
static extern bool ftrScanGetImageSize(IntPtr ftrHandle, out _FTRSCAN_IMAGE_SIZE pImageSize);
static extern bool ftrScanGetImageSize(IntPtr ftrHandle, out _FTRSCAN_IMAGE_SIZE pImageSize);
