public static Bitmap CaptureScreen(VideoFeedControl vfc)
{
if (!vfc.IsDisposed)
{
try
{
var cnt = vfc.browser;
var screen = Screen.FromPoint(cnt.Location);
Point location = cnt.PointToScreen(cnt.Location);
var bm = new Bitmap(cnt.ClientSize.Width + 500, cnt.ClientSize.Height + 150);
var g = Graphics.FromImage(bm);
g.CopyFromScreen(location.X + 130, location.Y + 40, 0, 0, bm.Size);
return(bm);
}
catch
{
return(null);
}
}
return(null);
}
public Vehicle(Rectangle rct, int id, VideoFeedControl vfc)
{
this.rct = rct;
this.id = id;
this.isc = vfc;
AddToList(this);
CreatePath(this);
}
public Bitmap DetectVehicle(Bitmap img, VideoFeedControl vfc)
{
if (!vfc.IsDisposed)
{
Graphics g = Graphics.FromImage(img);
if (vfc.road.Width > 0 && vfc.road.Height > 0)
{
VhlList(vfc);
Image <Bgr, byte> grayImage = new Image <Bgr, byte>(img);
Rectangle[] rcts = clsfr.DetectMultiScale(grayImage, 1.05, 3);
int i = 0;
foreach (var rct in rcts)
{
var car = new Vehicle(rct, i, vfc);
var speed = GetSpeed(vfc, car);
Pen pen;
if (CompareSpeed(speed, vfc))
{
pen = new Pen(Color.Blue, 2);
}
else
{
pen = new Pen(Color.Red, 2);
}
g.DrawRectangle(pen, rct);
SpeedDisplay(g, pen.Color, speed, car);
if (!CompareSpeed(speed, vfc))
{
var path = SaveBm(img, vfc.vs.name + "_перевищення_швидкості");
Log.AddToLog("На трансляції під назвою " + vfc.vs.name +
"було виявлено правопорушення;\r\nПравопорушення збереженно за адресою: " + path + ";");
}
i++;
}
TrackVehicle(g, vfc, Color.Blue);
}
else
{
g.DrawString("Виділіть на записі дорогу ", new Font(FontFamily.GenericSansSerif, 17, FontStyle.Regular), new SolidBrush(Color.Blue), 3, 3);
}
return(img);
}
return(null);
}
private bool CompareSpeed(float?speed, VideoFeedControl vfc)
{
if (vfc.vs.max_speed != null && speed != null)
{
if (speed > vfc.vs.max_speed)
{
return(false);
}
}
return(true);
}
private float?GetSpeed(VideoFeedControl vfc, Vehicle vehicle)
{
if (vfc.vs.road_size != null)
{
var time = DateTime.Now - vfc.start;
return(SpeedEst.Estimate(vfc.road, (float)vfc.vs.road_size, vehicle, (float)time.TotalMilliseconds));
}
else
{
return(null);
}
}
private void VhlList(VideoFeedControl vfc)
{
if (vfc.vehicles == null)
{
vfc.vehicles = new List <List <Vehicle> >();
vfc.vehicles.Add(new List <Vehicle>());
}
else
{
vfc.vehicles.Add(new List <Vehicle>());
}
}
private void BuildPanel2()
{
this.splitContainer1.Panel2.Controls.Clear();
if (vsList != null)
{
foreach (var stream in vsList)
{
var feed = new VideoFeedControl(stream, this);
if (!feed.IsDisposed) this.splitContainer1.Panel2.Controls.Add(feed);
}
}
}
private void hjbjbToolStripMenuItem_Click(object sender, EventArgs e)
{
var vs = new VideoStream(this);
var nvs = new NewVideoStream(vs);
this.panel2Width = splitContainer1.Panel2.Width;
if (nvs.DialogResult == DialogResult.Yes)
{
var feed = new VideoFeedControl(vs, this);
if (!feed.IsDisposed) this.splitContainer1.Panel2.Controls.Add(feed);
BuildPanel2();
Log.AddToLog("Створено трансляцію під назвою " + vs.name + ";");
}
}
private void TrackVehicle(Graphics g, VideoFeedControl vfc, Color color)
{
if (vfc.vehicles != null)
{
var vhls = vfc.vehicles[vfc.vehicles.Count - 1];
foreach (var vhl in vhls)
{
var pen = new Pen(color, 2);
if (vhl.path.Count >= 1)
{
for (int i = 1; i < vhl.path.Count; i++)
{
g.DrawLine(pen, vhl.path[i - 1], vhl.path[i]);
}
}
}
}
}
private void прмпрToolStripMenuItem_Click(object sender, EventArgs e)
{
var vs = new VideoStream(this);
this.panel2Width = splitContainer1.Panel2.Width;
vs.url = "https://youtu.be/wqctLW0Hb_0";
vs.name = "Завантажена дорога";
vs.road_size = (float?)0.2;
vs.max_speed = 60;
vs.AddToList();
var feed = new VideoFeedControl(vs, this);
if (!feed.IsDisposed) this.splitContainer1.Panel2.Controls.Add(feed);
BuildPanel2();
Log.AddToLog("Створено трансляцію під назвою " + vs.name + ";");
}
public async void Begin(VideoFeedControl vfc)
{
IVideoFeedControl isc = vfc;
isc.bgn = true;
int i = 0;
while (isc.bgn)
{
vfc.start = DateTime.Now;
var bm = CaptureScreen(vfc);
isc.bm = bm;
var fnd = new FindVehicle();
fnd.DisplayImage(vfc, bm);
await Task.Delay(20);
i++;
}
}
public void DisplayImage(VideoFeedControl vfc, Bitmap bm)
{
DetectVehicle(bm, vfc);
vfc.pictureBox1.Image = bm;
}
