public void GetValues(IntPtr cameraMetadataHandle,
ARCameraMetadataTag tag, List <ARCameraMetadataValue> resultList)
{
IntPtr ndkMetadataHandle = IntPtr.Zero;
NDKAPI.HwArImageMetadata_getNdkCameraMetadata(m_ndkSession.SessionHandle,
cameraMetadataHandle, ref ndkMetadataHandle);
resultList.Clear();
NdkCameraMetadata entry = new NdkCameraMetadata();
NdkCameraStatus status = NDKAPI.ACameraMetadata_getConstEntry(ndkMetadataHandle, tag, ref entry);
if (status != NdkCameraStatus.Ok)
{
ARDebug.LogError("ACameraMetadata_getConstEntry error with native camera error code: {0}",
status);
return;
}
for (int i = 0; i < entry.Count; i++)
{
switch (entry.Type)
{
case NdkCameraMetadataType.Byte:
sbyte byteValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <sbyte>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(byteValue));
break;
case NdkCameraMetadataType.Int32:
int intValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <int>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(intValue));
break;
case NdkCameraMetadataType.Float:
float floatValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <float>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(floatValue));
break;
case NdkCameraMetadataType.Int64:
long longValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <long>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(longValue));
break;
case NdkCameraMetadataType.Double:
double doubleValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <double>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(doubleValue));
break;
case NdkCameraMetadataType.Rational:
ARCameraMetadataRational rationalValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <
ARCameraMetadataRational>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(rationalValue));
break;
default:
return;
}
}
}
public void HitTestArea(float[] inPoints, List <ARHitResult> hitResultList)
{
hitResultList.Clear();
if (inPoints == null || inPoints.Length == 0)
{
ARDebug.LogError("HitTestArea inPoints is empty");
return;
}
float[] tmpIn = new float[inPoints.Length];
inPoints.CopyTo(tmpIn, 0);
GCHandle unmanagedInUVHandle = GCHandle.Alloc(tmpIn, GCHandleType.Pinned);
IntPtr hitResultListHandle = m_ndkSession.HitResultAdapter.CreateList();
NDKARStatus status = NDKAPI.HwArFrame_hitTestArea(m_ndkSession.SessionHandle, m_ndkSession.FrameHandle,
unmanagedInUVHandle.AddrOfPinnedObject(), tmpIn.Length, hitResultListHandle);
unmanagedInUVHandle.Free();
if (status != NDKARStatus.HWAR_SUCCESS)
{
ARDebug.LogError("HitTestArea status is error:{}", status);
return;
}
int cntOfResult = m_ndkSession.HitResultAdapter.GetListSize(hitResultListHandle);
ARDebug.LogInfo("HitTestArea hit result count{0}", cntOfResult);
for (int i = 0; i < cntOfResult; i++)
{
//todo refactor the following code when arplaneHitResult is removed
IntPtr hitResultHandle = m_ndkSession.HitResultAdapter.AcquireListItem(hitResultListHandle, i);
IntPtr trackableHandle = m_ndkSession.HitResultAdapter.GetTrackbaleHandle(hitResultHandle);
ARDebug.LogInfo("HitTestArea hittype! {0}", m_ndkSession.TrackableAdapter.GetType(trackableHandle), i);
switch (m_ndkSession.TrackableAdapter.GetType(trackableHandle))
{
case NDKARTrackableType.Plane:
hitResultList.Add(new ARPlaneHitResult(hitResultHandle, m_ndkSession));
break;
case NDKARTrackableType.Point:
hitResultList.Add(new ARPointCloudHitResult(hitResultHandle, m_ndkSession, ARFrame.AcquirePointCloud()));
break;
case NDKARTrackableType.Invalid:
break;
case (NDKARTrackableType)0x41520105:
break;
default:
hitResultList.Add(new ARHitResult(hitResultHandle, m_ndkSession));
break;
}
}
m_ndkSession.HitResultAdapter.DestroyList(hitResultListHandle);
}
public ARWorldMappingState GetMappingState()
{
int ret = (int)ARWorldMappingState.NOT_AVAILABLE;
NDKAPI.HwArFrame_getMappingState(m_ndkSession.SessionHandle, m_ndkSession.FrameHandle, ref ret);
ARDebug.LogError("NDK world map status " + ret);
if (!ValueLegalityChecker.CheckInt("GetMappingState", ret,
AdapterConstants.Enum_ARWorldMappingState_MinIntValue,
AdapterConstants.Enum_ARWorldMappingState_MaxIntValue))
{
return(ARWorldMappingState.NOT_AVAILABLE);
}
return((ARWorldMappingState)ret);
}
public void GetAllCameraMetadataTags(IntPtr cameraMetadataHandle, List <ARCameraMetadataTag> resultList)
{
IntPtr metadataHandle = IntPtr.Zero;
NDKAPI.HwArImageMetadata_getNdkCameraMetadata(m_ndkSession.SessionHandle,
cameraMetadataHandle, ref metadataHandle);
IntPtr tagsHandle = IntPtr.Zero;
int tagsCount = 0;
NdkCameraStatus status = NDKAPI.ACameraMetadata_getAllTags(metadataHandle, ref tagsCount, ref tagsHandle);
if (status != NdkCameraStatus.Ok)
{
ARDebug.LogError("ACameraMetadata_getAllTags error with native camera error code: {0}",
status);
return;
}
for (int i = 0; i < tagsCount; i++)
{
resultList.Add((ARCameraMetadataTag)MarshalingHelper.GetValueOfUnmanagedArrayElement <int>(tagsHandle, i));
}
}
