public void ProcessImage(IVideoCapture captureDevice, byte[] imagePtr)
{
if (captureDevice.Format != ImageFormat.B8G8R8A8_32)
throw new MarkerException("Only ImageFormat.B8G8R8A8_32 format is acceptable for NyARToolkitTracker");
// initialize the detector right before the image processing
if (!started)
{
multiDetector = new MarkerDetector(param, codes.ToArray(), pattSizes.ToArray(),
codes.Count, raster.getBufferType());
multiDetector.setContinueMode(continuousMode);
started = true;
}
raster.SetBuffer(imagePtr);
UpdateMarkerTransforms();
}
/// <summary>
/// Associates a marker with an identifier so that the identifier can be used to find this
/// marker after processing the image.
/// </summary>
/// <param name="markerConfigs">A set of parameters that identifies a maker. (e.g., for
/// ARTag, this parameter would be the marker array name or marker ID)</param>
/// <returns>An identifier for this marker object</returns>
public Object AssociateMarker(params Object[] markerConfigs)
{
// make sure we are initialized
if (!initialized)
throw new MarkerException("ARToolkitTracker is not initialized. Call InitTracker(...)");
if (!(markerConfigs.Length == 2 || markerConfigs.Length == 5))
throw new MarkerException(GetAssocMarkerUsage());
MarkerInfo markerInfo = new MarkerInfo();
if (markerConfigs.Length == 2)
{
string arrayName = "";
ComputationMethod method = ComputationMethod.Average;
try
{
arrayName = (String)markerConfigs[0];
method = (ComputationMethod)markerConfigs[1];
}
catch (Exception)
{
throw new MarkerException(GetAssocMarkerUsage());
}
ParseArray(arrayName, ref markerInfo);
markerInfo.Method = method;
}
else
{
int pattWidth = 0, pattHeight = 0;
float pattSize = 0, conf = 0;
String pattName = "";
try
{
pattName = (String)markerConfigs[0];
pattWidth = (int)markerConfigs[1];
pattHeight = (int)markerConfigs[2];
pattSize = (float)markerConfigs[3];
conf = (float)markerConfigs[4];
}
catch (Exception)
{
throw new MarkerException(GetAssocMarkerUsage());
}
NyARCode code = new NyARCode(pattWidth, pattHeight);
code.loadARPatt(new System.IO.StreamReader(TitleContainer.OpenStream(pattName)));
codes.Add(code);
pattSizes.Add(pattSize);
PatternInfo info = new PatternInfo();
info.ConfidenceThreshold = conf;
int id = codes.Count - 1;
markerInfo.PatternInfos.Add(id, info);
markerInfo.RelativeTransforms.Add(id, Matrix.Identity);
markerInfo.Method = ComputationMethod.Average;
markerInfoMap.Add(id, markerInfo);
}
markerInfoList.Add(markerInfo);
// reinitialize the multi marker detector if the programmer adds new marker node
// after the initialization phase
if (started)
{
multiDetector = new MarkerDetector(param, codes.ToArray(), pattSizes.ToArray(),
codes.Count, raster.getBufferType());
multiDetector.setContinueMode(continuousMode);
}
return markerInfo;
}
