private void tmrRefrashFrame_Tick(object sender, EventArgs e)
{
try
{
this.tmrRefrashFrame.Stop();
ImageSize();
SendMessage(m_CapHwnd, WM_CAP_GT_FRAME, 0, 0);
SendMessage(m_CapHwnd, WM_CAP_COPY, 0, 0);
OpenClipboard(m_CapHwnd);
IntPtr img = GetClipboardData(2);
CloseClipboard();
//System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(m_Width, m_Height);
//using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp))
//{
// g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
// g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Low;
// g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighSpeed;
// g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed;
// g.DrawImage(Image.FromHbitmap(img), 0, 0, m_Width, m_Height);
//}
//ImgWebCam.Image = bmp;
IDataObject tempObj = Clipboard.GetDataObject();
Image tempImg = (System.Drawing.Bitmap)tempObj.GetData(DataFormats.Bitmap);
ImgWebCam.Image = tempImg;
ImgWebCam.Refresh();
Application.DoEvents();
if (!bStopped)
{
this.tmrRefrashFrame.Start();
}
else
{
string sysDir = "";
sysDir = AppDomain.CurrentDomain.BaseDirectory;
tempImg.Save(sysDir + "\\image\\pigeonimage.png", ImageFormat.Png);
this.tmrRefrashFrame.Start();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void tmrRefrashFrame_Tick(object sender, EventArgs e)
{
try
{
this.tmrRefrashFrame.Stop();
ImageSize();
SendMessage(m_CapHwnd, WM_CAP_GT_FRAME, 0, 0);
SendMessage(m_CapHwnd, WM_CAP_COPY, 0, 0);
OpenClipboard(m_CapHwnd);
IntPtr img = GetClipboardData(2);
CloseClipboard();
//System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(m_Width, m_Height);
//using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp))
//{
// g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
// g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Low;
// g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighSpeed;
// g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed;
// g.DrawImage(Image.FromHbitmap(img), 0, 0, m_Width, m_Height);
//}
//ImgWebCam.Image = bmp;
IDataObject tempObj = Clipboard.GetDataObject();
Image tempImg = (System.Drawing.Bitmap)tempObj.GetData(DataFormats.Bitmap);
ImgWebCam.Image = tempImg;
using (Emgu.CV.Image <Bgr, byte> orignalFrame = new Image <Bgr, byte>((Bitmap)ImgWebCam.Image))
{
//convert image into gray
Image <Bgr, byte> image = orignalFrame.Resize(ImgWebCam.Size.Width, ImgWebCam.Size.Height, 0);
Image <Gray, byte> frame = image.Convert <Gray, byte>();
//Perform absdiff only if it's the second frame else store it in the global first frame
if (this.previousFrame != null)
{
//convert the previous frame to gray
Image <Gray, byte> previousFrameGray = previousFrame.Convert <Gray, byte>();
previousFrameGray = previousFrameGray.Resize(ImgWebCam.Size.Width, ImgWebCam.Size.Height, 0);
Image <Gray, byte> BgDifference = new Image <Gray, byte>(ImgWebCam.Width, ImgWebCam.Height);
CvInvoke.AbsDiff(previousFrameGray, frame, BgDifference);
//assign the current frame to previousFrame
this.previousFrame = new Image <Bgr, byte>((Bitmap)ImgWebCam.Image);
ImgWebCam.Image = BgDifference.ToBitmap();
//ImgWebCam.Image = image.ToBitmap();
}
else
{
this.previousFrame = new Image <Bgr, byte>((Bitmap)ImgWebCam.Image);
this.previousFrame = this.previousFrame.Resize(ImgWebCam.Size.Width, ImgWebCam.Size.Height, 0);
}
}
ImgWebCam.Refresh();
Application.DoEvents();
if (!bStopped)
{
this.tmrRefrashFrame.Start();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
