void SendData(object obj)
{
var token = (CancellationToken)obj;
var dummyCenterOfGravity = new Vector {
X = 0f, Y = 0f
};
var boundingBox = new Rectangle
{
Bottom = BottomLimit,
Left = LeftLimit,
Top = BottomLimit + BoundingBoxSize,
Right = LeftLimit + BoundingBoxSize
};
_currentDirection = MovementDirected.Up;
double gpsAltitiude = 0.0;
while (token.IsCancellationRequested == false)
{
SendBoundingBoxData(boundingBox, dummyCenterOfGravity);
SendGpsData(ref gpsAltitiude);
SendNonStandardData();
Thread.Sleep(_timeBetweenMetadata);
}
}
private void MoveBoundingBox(Rectangle boundingBox)
{
switch (_currentDirection)
{
case MovementDirected.Up:
boundingBox.Top += StepSize;
boundingBox.Bottom += StepSize;
if (boundingBox.Top >= TopLimit)
{
_currentDirection = MovementDirected.Right;
}
break;
case MovementDirected.Right:
boundingBox.Right += StepSize;
boundingBox.Left += StepSize;
if (boundingBox.Right >= RightLimit)
{
_currentDirection = MovementDirected.Down;
}
break;
case MovementDirected.Down:
boundingBox.Top -= StepSize;
boundingBox.Bottom -= StepSize;
if (boundingBox.Bottom <= BottomLimit)
{
_currentDirection = MovementDirected.Left;
}
break;
case MovementDirected.Left:
boundingBox.Right -= StepSize;
boundingBox.Left -= StepSize;
if (boundingBox.Left <= LeftLimit)
{
_currentDirection = MovementDirected.Up;
}
break;
}
}
void SendData(object obj)
{
var token = (CancellationToken)obj;
var dummyCenterOfGravity = new Vector {
X = 0f, Y = 0f
};
var boundingBox = new Rectangle
{
Bottom = BottomLimit,
Left = LeftLimit,
Top = BottomLimit + BoundingBoxSize,
Right = LeftLimit + BoundingBoxSize,
LineColor = Colors[0],
FillColor = Colors[Colors.Count / 2],
LineDisplayPixelThickness = 1
};
var description = new DisplayText
{
Value = Texts[0],
FontFamily = FontFamilys[0],
IsBold = false,
IsItalic = false,
Color = Colors[0],
Size = MinTextSize,
CenterX = 0,
CenterY = 0
};
const int staticObjectId = 2;
var staticObject = new OnvifObject(staticObjectId)
{
Appearance = new Appearance
{
Shape = new Shape
{
BoundingBox = new Rectangle
{
Bottom = -BoundingBoxSize / 2,
Left = -BoundingBoxSize / 2,
Top = BoundingBoxSize / 2,
Right = BoundingBoxSize / 2
}
},
Description = new DisplayText
{
Value = "This is just text"
}
}
};
_currentDirection = MovementDirected.Up;
while (token.IsCancellationRequested == false)
{
const int objectId = 1;
var metadata = new MetadataStream
{
VideoAnalyticsItems =
{
new VideoAnalytics
{
Frames =
{
new Frame(DateTime.UtcNow)
{
Objects =
{
new OnvifObject(objectId)
{
Appearance = new Appearance
{
Shape = new Shape
{
BoundingBox = boundingBox,
CenterOfGravity = dummyCenterOfGravity
},
Description = description
}
},
staticObject
}
}
}
}
}
};
var result = _metadataProviderChannel.QueueMetadata(metadata, DateTime.UtcNow);
if (result == false)
{
Trace.WriteLine(string.Format("{0}: Failed to write to channel", DateTime.UtcNow));
}
else
{
MoveBoundingBox(boundingBox);
UpdateLineColor(boundingBox);
UpdateFillColor(boundingBox);
UpdateLineThickness(boundingBox);
UpdateTextValue(description);
UpdateFontFamily(description);
UpdateTextDecoration(description);
UpdateTextColor(description);
UpdateTextSize(description);
UpdateTextPosition(description, boundingBox);
Invoke((MethodInvoker)(() =>
{
textMetadata.Text = _metadataSerializer.WriteMetadataXml(metadata);
textBoxTime.Text = DateTime.Now.ToString("HH.mm.ss:fff");
}));
}
Thread.Sleep(_timeBetweenMetadata);
}
}