private void CreateMultiTargets()
{
int trackableDataArrayLength = QCARWrapper.Instance.DataSetGetNumTrackableType(TypeMapping.GetTypeID(typeof(MultiTarget)), this.mDataSetPtr);
if (trackableDataArrayLength > 0)
{
IntPtr trackableDataArray = Marshal.AllocHGlobal((int)(Marshal.SizeOf(typeof(SimpleTargetData)) * trackableDataArrayLength));
if (QCARWrapper.Instance.DataSetGetTrackablesOfType(TypeMapping.GetTypeID(typeof(MultiTarget)), trackableDataArray, trackableDataArrayLength, this.mDataSetPtr) == 0)
{
Debug.LogError("Could not create Multi Targets");
}
else
{
for (int i = 0; i < trackableDataArrayLength; i++)
{
IntPtr ptr = new IntPtr(trackableDataArray.ToInt32() + (i * Marshal.SizeOf(typeof(SimpleTargetData))));
SimpleTargetData data = (SimpleTargetData)Marshal.PtrToStructure(ptr, typeof(SimpleTargetData));
if (!this.mTrackablesDict.ContainsKey(data.id))
{
int capacity = 0x80;
StringBuilder trackableName = new StringBuilder(capacity);
QCARWrapper.Instance.DataSetGetTrackableName(this.mDataSetPtr, data.id, trackableName, capacity);
MultiTarget target = new MultiTargetImpl(trackableName.ToString(), data.id, this);
this.mTrackablesDict[data.id] = target;
}
}
Marshal.FreeHGlobal(trackableDataArray);
}
}
}
private void CreateMultiTargets()
{
// Allocate array for all Multi Targets.
int numMultiTargets = QCARWrapper.Instance.DataSetGetNumTrackableType(
(int)TrackableType.MULTI_TARGET,
mDataSetPtr);
if (numMultiTargets > 0)
{
IntPtr multiTargetDataPtr =
Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SimpleTargetData)) * numMultiTargets);
// Copy Multi Target properties from native.
if (QCARWrapper.Instance.DataSetGetTrackablesOfType((int)TrackableType.MULTI_TARGET,
multiTargetDataPtr, numMultiTargets,
mDataSetPtr) == 0)
{
Debug.LogError("Could not create Multi Targets");
return;
}
// Create Multi Target Behaviours.
for (int i = 0; i < numMultiTargets; ++i)
{
IntPtr trackablePtr = new IntPtr(multiTargetDataPtr.ToInt32() + i *
Marshal.SizeOf(typeof(SimpleTargetData)));
SimpleTargetData trackableData = (SimpleTargetData)
Marshal.PtrToStructure(trackablePtr, typeof(SimpleTargetData));
// Do not overwrite existing Trackables.
if (mTrackablesDict.ContainsKey(trackableData.id))
{
continue;
}
// QCAR support names up to 64 characters in length, but here we allocate
// a slightly larger buffer:
int nameLength = 128;
System.Text.StringBuilder trackableName = new System.Text.StringBuilder(nameLength);
QCARWrapper.Instance.DataSetGetTrackableName(mDataSetPtr, trackableData.id, trackableName, nameLength);
MultiTarget multiTarget = new MultiTargetImpl(trackableName.ToString(), trackableData.id);
// Add newly created Multi Target to dictionary.
mTrackablesDict[trackableData.id] = multiTarget;
}
Marshal.FreeHGlobal(multiTargetDataPtr);
}
}
private void CreateMultiTargets()
{
// Allocate array for all Multi Targets.
int numMultiTargets = QCARWrapper.Instance.DataSetGetNumTrackableType(
(int)TrackableType.MULTI_TARGET,
mDataSetPtr);
IntPtr multiTargetDataPtr =
Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SimpleTargetData)) * numMultiTargets);
// Copy Multi Target properties from native.
if (QCARWrapper.Instance.DataSetGetTrackablesOfType((int)TrackableType.MULTI_TARGET,
multiTargetDataPtr, numMultiTargets,
mDataSetPtr) == 0)
{
Debug.LogError("Could not create Multi Targets");
return;
}
// Create Multi Target Behaviours.
for (int i = 0; i < numMultiTargets; ++i)
{
IntPtr trackablePtr = new IntPtr(multiTargetDataPtr.ToInt32() + i *
Marshal.SizeOf(typeof(SimpleTargetData)));
SimpleTargetData trackableData = (SimpleTargetData)
Marshal.PtrToStructure(trackablePtr, typeof(SimpleTargetData));
// Do not overwrite existing Trackables.
if (mTrackablesDict.ContainsKey(trackableData.id))
{
continue;
}
// QCAR support names up to 64 characters in length, but here we allocate
// a slightly larger buffer:
int nameLength = 128;
System.Text.StringBuilder trackableName = new System.Text.StringBuilder(nameLength);
QCARWrapper.Instance.DataSetGetTrackableName(mDataSetPtr, trackableData.id, trackableName, nameLength);
MultiTarget multiTarget = new MultiTargetImpl(trackableName.ToString(), trackableData.id);
// Add newly created Multi Target to dictionary.
mTrackablesDict[trackableData.id] = multiTarget;
}
Marshal.FreeHGlobal(multiTargetDataPtr);
}
