// Updating bitmap in picture
private void MyUpdatePicture()
{
if (m_image.isValid())
{
m_lut.inmax = HScrollLutMax.Value;
m_lut.inmin = HScrollLutMin.Value;
Rectangle rc = new Rectangle(0, 0, m_image.width, m_image.height);
m_bitmap = new Bitmap(m_image.width, m_image.height);
SUBACQERR err = subacq.copydib(ref m_bitmap, m_image.bufframe, ref rc, m_lut.inmax, m_lut.inmin);
if (err == SUBACQERR.SUCCESS)
{
PicDisplay.Image = m_bitmap;
}
else
{
PicDisplay.Image = null;
MyShowStatus(String.Format("NG: SUBACQERR: 0x{0:X8}", (int)err));
}
}
else
{
PicDisplay.Image = null;
}
}
public static SUBACQERR copydib(ref Bitmap bitmap, DCAMBUF_FRAME src, ref Rectangle rect, int lutmax, int lutmin)
{
int w = rect.Width;
int h = rect.Height;
if (w > bitmap.Width)
{
w = bitmap.Width;
}
if (h > bitmap.Height)
{
h = bitmap.Height;
}
if (w > src.width)
{
w = src.width;
}
if (h > src.height)
{
h = src.height;
}
BitmapData dst = bitmap.LockBits(rect, ImageLockMode.ReadWrite, PixelFormat.Format32bppRgb);
SUBACQ_COPYDIB param = new SUBACQ_COPYDIB();
param.size = Marshal.SizeOf(typeof(SUBACQ_COPYDIB));
param.option = 0;
param.src = src.buf;
param.srcrowbytes = src.rowbytes;
param.srcpixeltype = src.type;
param.dst = dst.Scan0;
param.dstrowbytes = dst.Stride;
param.dstpixelformat = dst.PixelFormat;
param.width = w;
param.height = h;
param.left = rect.Left;
param.top = rect.Top;
param.lut = IntPtr.Zero;
param.lutmax = lutmax;
param.lutmin = lutmin;
// ---- call subacq4_copydib function in subacq4.dll ----
SUBACQERR err = subacqdll.copydib(ref param);
bitmap.UnlockBits(dst);
return(err);
}