public void Add(ImageFuture pendingImage)
{
lock (_locker)
{
_pending.Add(pendingImage);
}
}
private void handleImageCompletion(ref LEAP_IMAGE_COMPLETE_EVENT imageMsg)
{
LEAP_IMAGE_PROPERTIES props;
StructMarshal <LEAP_IMAGE_PROPERTIES> .PtrToStruct(imageMsg.properties, out props);
ImageFuture pendingImage = _pendingImageRequestList.FindAndRemove(imageMsg.token);
if (pendingImage == null)
{
return;
}
//Update distortion data, if changed
if ((_currentDistortionData.Version != imageMsg.matrix_version) || !_currentDistortionData.IsValid)
{
_currentDistortionData = new DistortionData();
_currentDistortionData.Version = imageMsg.matrix_version;
_currentDistortionData.Width = LeapC.DistortionSize; //fixed value for now
_currentDistortionData.Height = LeapC.DistortionSize; //fixed value for now
if (_currentDistortionData.Data == null || _currentDistortionData.Data.Length != (2 * _currentDistortionData.Width * _currentDistortionData.Height * 2))
{
_currentDistortionData.Data = new float[(int)(2 * _currentDistortionData.Width * _currentDistortionData.Height * 2)]; //2 float values per map point
}
LEAP_DISTORTION_MATRIX matrix;
StructMarshal <LEAP_DISTORTION_MATRIX> .PtrToStruct(imageMsg.distortionMatrix, out matrix);
Array.Copy(matrix.matrix_data, _currentDistortionData.Data, matrix.matrix_data.Length);
if (LeapDistortionChange != null)
{
LeapDistortionChange.DispatchOnContext <DistortionEventArgs>(this, EventContext, new DistortionEventArgs(_currentDistortionData));
}
}
pendingImage.imageData.CompleteImageData(props.type,
props.format,
props.bpp,
props.width,
props.height,
imageMsg.info.timestamp,
imageMsg.info.frame_id,
props.x_offset,
props.y_offset,
props.x_scale,
props.y_scale,
_currentDistortionData,
LeapC.DistortionSize,
imageMsg.matrix_version);
Image completedImage = pendingImage.imageObject;
if (LeapImageReady != null)
{
LeapImageReady.DispatchOnContext <ImageEventArgs>(this, EventContext, new ImageEventArgs(completedImage));
}
}
private void handleFailedImageRequest(ref LEAP_IMAGE_FRAME_REQUEST_ERROR_EVENT failed_image_evt)
{
if (_leapConnection == IntPtr.Zero)
{
return;
}
ImageFuture pendingImage = _pendingImageRequestList.FindAndRemove(failed_image_evt.token);
if (pendingImage != null)
{
pendingImage.imageData.CheckIn();
ImageRequestFailedEventArgs errorEventArgs = new ImageRequestFailedEventArgs(failed_image_evt.description.frame_id, pendingImage.imageObject.Type);
switch (failed_image_evt.error)
{
case eLeapImageRequestError.eLeapImageRequestError_InsufficientBuffer:
errorEventArgs.message = "The buffer specified for the request was too small.";
errorEventArgs.reason = Image.RequestFailureReason.Insufficient_Buffer;
if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Default && _standardImageBufferSize < failed_image_evt.required_buffer_len)
{
_standardImageBufferSize = failed_image_evt.required_buffer_len;
}
else if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Raw && _standardRawBufferSize < failed_image_evt.required_buffer_len)
{
_standardRawBufferSize = failed_image_evt.required_buffer_len;
}
break;
case eLeapImageRequestError.eLeapImageRequestError_Unavailable:
errorEventArgs.message = "The image was request too late and is no longer available.";
errorEventArgs.reason = Image.RequestFailureReason.Image_Unavailable;
break;
case eLeapImageRequestError.eLeapImageRequestError_ImagesDisabled:
errorEventArgs.message = "Images are disabled by the current configuration settings.";
errorEventArgs.reason = Image.RequestFailureReason.Images_Disabled;
break;
default:
errorEventArgs.message = "The image request failed for an undetermined reason.";
errorEventArgs.reason = Image.RequestFailureReason.Unknown_Error;
break;
}
errorEventArgs.requiredBufferSize = (long)failed_image_evt.required_buffer_len;
this.LeapImageRequestFailed.Dispatch <ImageRequestFailedEventArgs> (this, errorEventArgs);
}
_pendingImageRequestList.purgeOld(_leapConnection);
}
public ImageFuture FindAndRemove(LEAP_IMAGE_FRAME_REQUEST_TOKEN token)
{
lock (_locker){
for (int i = 0; i < _pending.Count; i++)
{
ImageFuture ir = _pending[i];
if (ir.Token.requestID == token.requestID)
{
_pending.RemoveAt(i);
return(ir);
}
}
}
return(null);
}
public int purgeOld(IntPtr connection)
{
Int64 now = LeapC.GetNow();
int purgeCount = 0;
lock (_locker){
for (int i = _pending.Count - 1; i >= 0; i--)
{
ImageFuture ir = _pending[i];
if ((now - ir.Timestamp) > pendingTimeLimit)
{
_pending.RemoveAt(i);
LeapC.CancelImageFrameRequest(connection, ir.Token);
purgeCount++;
}
}
}
return(purgeCount);
}
public void Add(ImageFuture pendingImage)
{
lock(_locker){
_pending.Add(pendingImage);
}
}