Ejemplo n.º 1
0
        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);
            }
        }
Ejemplo n.º 2
0
        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;
            }
        }
Ejemplo n.º 3
0
        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);
            }
        }