private void WaitForImage()
{
ExposureStatus.BeginInvoke(new Action(() => ExposureStatus.Text = "Waiting For Image"));
while (!AtikPInvoke.ArtemisImageReady(handle))
{
if (stopProcessing)
{
stopProcessing = false;
return;
}
Thread.Sleep(100);
}
int x = 0, y = 0, w = 0, h = 0, binX = 0, binY = 0;
AtikPInvoke.ArtemisGetImageData(handle, ref x, ref y,
ref w, ref h,
ref binX, ref binY);
// Create memory to copy pixels into
byte[] pix = new byte[w * h * 2];
var intPtr = AtikPInvoke.ArtemisImageBuffer(handle);
ExposureStatus.BeginInvoke(new Action(() => ExposureStatus.Text = "Converting"));
Marshal.Copy(intPtr, pix, 0, w * h * 2);
// create enough space for a 24 bit per pixel bitmap of the image
byte[] bmpBytes = new byte[w * h * 3];
for (int i = 0, j = 0; i < w * h; ++i, j += 2)
{
if (stopProcessing)
{
stopProcessing = false;
return;
}
var val = pix[j];
// we have a mono image so we place the same value into each bitmap byte
bmpBytes[i] = val;
bmpBytes[++i] = val;
bmpBytes[++i] = val;
}
var pic = new Bitmap(w, h);
var rect = new Rectangle(0, 0, w, h);
var picData = pic.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
Marshal.Copy(bmpBytes, 0, picData.Scan0, w * 3 * h);
pic.UnlockBits(picData);
PictureBox.BeginInvoke(new Action(() => PictureBox.Image = pic));
ExposureStatus.BeginInvoke(new Action(() => ExposureStatus.Text = "Idle"));
StartExposureButton.BeginInvoke(new Action(() => StartExposureButton.Enabled = true));
StopExposure.BeginInvoke(new Action(() => StopExposure.Enabled = false));
}
private static extern ASI_ERROR_CODE ASIGetExpStatus(int iCameraID, out ExposureStatus pExpStatus);
