public override void Show(object value)
{
if (value != null)
{
if (value is TailAngleData <double> )
{
TailAngleData <double> newValue = (TailAngleData <double>)value;
if (newValue.Image != null)
{
tailPoints = newValue.Points;
imageSize = newValue.Image.Size;
base.Show(newValue.Image);
}
}
else if (value is TailAngleData <double[]> )
{
TailAngleData <double[]> newValue = (TailAngleData <double[]>)value;
if (newValue.Image != null)
{
tailPoints = newValue.Points;
imageSize = newValue.Image.Size;
base.Show(newValue.Image);
}
}
}
else
{
if (tailPoints.Length != 0)
{
tailPoints = new Point2f[0];
}
}
}
void RenderRegion(Point[] region, PrimitiveType mode, Color color, Size imageSize)
{
GL.Color4(color);
GL.Begin(mode);
for (int i = 0; i < region.Length; i++)
{
GL.Vertex2(DrawingHelper.NormalizePoint(region[i], imageSize));
}
GL.End();
}
public static Vector2 NormalizePoint(Point2f point, OpenCV.Net.Size imageSize)
{
return(new Vector2((point.X * 2f / imageSize.Width) - 1, -((point.Y * 2f / imageSize.Height) - 1)));
}
public static Vector2 NormalizePointForTailAngle(Point2f point, double angle, OpenCV.Net.Size imageSize)
{
return(new Vector2(((point.X + (float)Math.Cos(angle) * 10f) * 2f / imageSize.Width) - 1, -(((point.Y + (float)Math.Sin(angle) * 10f) * 2f / imageSize.Height) - 1)));
}
public uEyeCapture()
{
source = Observable.Create <uEyeDataFrame>(observer =>
{
var deviceId = DeviceId;
var camera = new Camera();
try
{
var statusRet = deviceId.HasValue ? camera.Init(deviceId.Value | (int)DeviceEnumeration.UseDeviceID) : camera.Init();
HandleResult(statusRet);
if (!string.IsNullOrEmpty(ConfigFile))
{
statusRet = camera.Parameter.Load(ConfigFile);
HandleResult(statusRet);
}
statusRet = camera.Memory.Allocate();
HandleResult(statusRet);
Int32 s32MemID;
statusRet = camera.Memory.GetActive(out s32MemID);
HandleResult(statusRet);
int frameWidth;
statusRet = camera.Memory.GetWidth(s32MemID, out frameWidth);
HandleResult(statusRet);
int frameHeight;
statusRet = camera.Memory.GetHeight(s32MemID, out frameHeight);
HandleResult(statusRet);
int s32Bpp;
statusRet = camera.Memory.GetBitsPerPixel(s32MemID, out s32Bpp);
HandleResult(statusRet);
ColorMode colorMode;
statusRet = camera.PixelFormat.Get(out colorMode);
HandleResult(statusRet);
var frameSize = new OpenCV.Net.Size(frameWidth, frameHeight);
var depth = GetImageDepth(colorMode);
var channels = s32Bpp / (int)depth;
statusRet = camera.Memory.Allocate();
HandleResult(statusRet);
camera.EventFrame += (sender, e) =>
{
Int32 activeMemID;
camera.Memory.GetActive(out activeMemID);
IntPtr imageBuffer;
camera.Memory.ToIntPtr(activeMemID, out imageBuffer);
ImageInfo imageInfo;
camera.Information.GetImageInfo(activeMemID, out imageInfo);
using (var output = new IplImage(frameSize, depth, channels, imageBuffer))
{
observer.OnNext(new uEyeDataFrame(output.Clone(), imageInfo));
}
};
statusRet = camera.Acquisition.Capture();
HandleResult(statusRet);
}
catch
{
camera.Exit();
throw;
}
return(() =>
{
camera.Acquisition.Stop();
camera.Exit();
});
})
.PublishReconnectable()
.RefCount();
}