private void CreateVirtualButtonsFromNative()
{
int virtualButtonDataArrayLength = QCARWrapper.Instance.ImageTargetGetNumVirtualButtons(this.mDataSet.DataSetPtr, base.Name);
if (virtualButtonDataArrayLength > 0)
{
IntPtr virtualButtonDataArray = Marshal.AllocHGlobal((int)(Marshal.SizeOf(typeof(QCARManagerImpl.VirtualButtonData)) * virtualButtonDataArrayLength));
IntPtr rectangleDataArray = Marshal.AllocHGlobal((int)(Marshal.SizeOf(typeof(RectangleData)) * virtualButtonDataArrayLength));
QCARWrapper.Instance.ImageTargetGetVirtualButtons(virtualButtonDataArray, rectangleDataArray, virtualButtonDataArrayLength, this.mDataSet.DataSetPtr, base.Name);
for (int i = 0; i < virtualButtonDataArrayLength; i++)
{
IntPtr ptr = new IntPtr(virtualButtonDataArray.ToInt32() + (i * Marshal.SizeOf(typeof(QCARManagerImpl.VirtualButtonData))));
QCARManagerImpl.VirtualButtonData data = (QCARManagerImpl.VirtualButtonData)Marshal.PtrToStructure(ptr, typeof(QCARManagerImpl.VirtualButtonData));
if (!this.mVirtualButtons.ContainsKey(data.id))
{
IntPtr ptr4 = new IntPtr(rectangleDataArray.ToInt32() + (i * Marshal.SizeOf(typeof(RectangleData))));
RectangleData area = (RectangleData)Marshal.PtrToStructure(ptr4, typeof(RectangleData));
int capacity = 0x80;
StringBuilder vbName = new StringBuilder(capacity);
if (QCARWrapper.Instance.ImageTargetGetVirtualButtonName(this.mDataSet.DataSetPtr, base.Name, i, vbName, capacity) == 0)
{
Debug.LogError("Failed to get virtual button name.");
}
else
{
VirtualButton button = new VirtualButtonImpl(vbName.ToString(), data.id, area, this, this.mDataSet);
this.mVirtualButtons.Add(data.id, button);
}
}
}
Marshal.FreeHGlobal(virtualButtonDataArray);
Marshal.FreeHGlobal(rectangleDataArray);
}
}
/// <summary>
/// Creates virtual buttons for this ImageTarget from native and stores them
/// </summary>
private void CreateVirtualButtonsFromNative()
{
// Allocate array for all Image Targets.
int numVirtualButtons = QCARWrapper.Instance.ImageTargetGetNumVirtualButtons(mDataSet.DataSetPtr, Name);
if (numVirtualButtons > 0)
{
IntPtr virtualButtonDataPtr =
Marshal.AllocHGlobal(Marshal.SizeOf(typeof(QCARManagerImpl.VirtualButtonData)) * numVirtualButtons);
IntPtr rectangleDataPtr =
Marshal.AllocHGlobal(Marshal.SizeOf(typeof(RectangleData)) * numVirtualButtons);
// Copy Virtual Button data from native.
QCARWrapper.Instance.ImageTargetGetVirtualButtons(virtualButtonDataPtr,
rectangleDataPtr,
numVirtualButtons,
mDataSet.DataSetPtr,
Name);
for (int i = 0; i < numVirtualButtons; ++i)
{
IntPtr vbPtr = new IntPtr(virtualButtonDataPtr.ToInt32() + i *
Marshal.SizeOf(typeof(QCARManagerImpl.VirtualButtonData)));
QCARManagerImpl.VirtualButtonData vbData = (QCARManagerImpl.VirtualButtonData)
Marshal.PtrToStructure(vbPtr, typeof(QCARManagerImpl.VirtualButtonData));
// Do not overwrite existing Virtual Buttons.
if (mVirtualButtons.ContainsKey(vbData.id))
{
continue;
}
IntPtr rectPtr = new IntPtr(rectangleDataPtr.ToInt32() + i *
Marshal.SizeOf(typeof(RectangleData)));
RectangleData rectData = (RectangleData)
Marshal.PtrToStructure(rectPtr, typeof(RectangleData));
// QCAR support names up to 64 characters in length, but here we allocate
// a slightly larger buffer:
int nameLength = 128;
System.Text.StringBuilder vbName = new System.Text.StringBuilder(nameLength);
if (QCARWrapper.Instance.ImageTargetGetVirtualButtonName(mDataSet.DataSetPtr, Name,
i, vbName, nameLength) == 0)
{
Debug.LogError("Failed to get virtual button name.");
continue;
}
VirtualButton virtualButton = new VirtualButtonImpl(vbName.ToString(), vbData.id, rectData, this, mDataSet);
mVirtualButtons.Add(vbData.id, virtualButton);
}
Marshal.FreeHGlobal(virtualButtonDataPtr);
Marshal.FreeHGlobal(rectangleDataPtr);
}
}
// Update Virtual Button states.
public void UpdateVirtualButtons(int numVirtualButtons, IntPtr virtualButtonPtr)
{
Dictionary <int, QCARManagerImpl.VirtualButtonData> vbResults = new Dictionary <int, QCARManagerImpl.VirtualButtonData>();
// create a dictionary of all results
for (int i = 0; i < numVirtualButtons; i++)
{
IntPtr vbPtr = new IntPtr(virtualButtonPtr.ToInt32() + i *
Marshal.SizeOf(typeof(QCARManagerImpl.VirtualButtonData)));
QCARManagerImpl.VirtualButtonData vbData = (QCARManagerImpl.VirtualButtonData)
Marshal.PtrToStructure(vbPtr, typeof(QCARManagerImpl.VirtualButtonData));
vbResults.Add(vbData.id, vbData);
}
List <VirtualButtonBehaviour> vbBehavioursToUpdate = new List <VirtualButtonBehaviour>();
// go over all trackable behaviours and find the virtual buttons to update
foreach (TrackableBehaviour trackableBehaviour in mTrackableBehaviours.Values)
{
ImageTargetBehaviour it = trackableBehaviour as ImageTargetBehaviour;
if (it != null && it.enabled)
{
foreach (VirtualButtonBehaviour virtualButtonBehaviour in it.GetVirtualButtonBehaviours())
{
if (virtualButtonBehaviour.enabled)
{
vbBehavioursToUpdate.Add(virtualButtonBehaviour);
}
}
}
}
// update the virtual buttons:
foreach (VirtualButtonBehaviour virtualButtonBehaviour in vbBehavioursToUpdate)
{
QCARManagerImpl.VirtualButtonData vbData;
if (vbResults.TryGetValue(virtualButtonBehaviour.VirtualButton.ID, out vbData))
{
virtualButtonBehaviour.OnTrackerUpdated(vbData.isPressed > 0);
}
else
{
virtualButtonBehaviour.OnTrackerUpdated(false);
}
}
}
internal void UpdateVirtualButtons(int numVirtualButtons, IntPtr virtualButtonPtr)
{
Dictionary <int, QCARManagerImpl.VirtualButtonData> dictionary = new Dictionary <int, QCARManagerImpl.VirtualButtonData>();
for (int i = 0; i < numVirtualButtons; i++)
{
IntPtr ptr = new IntPtr(virtualButtonPtr.ToInt32() + (i * Marshal.SizeOf(typeof(QCARManagerImpl.VirtualButtonData))));
QCARManagerImpl.VirtualButtonData data = (QCARManagerImpl.VirtualButtonData)Marshal.PtrToStructure(ptr, typeof(QCARManagerImpl.VirtualButtonData));
dictionary.Add(data.id, data);
}
List <VirtualButtonAbstractBehaviour> list = new List <VirtualButtonAbstractBehaviour>();
foreach (TrackableBehaviour behaviour in this.mTrackableBehaviours.Values)
{
ImageTargetAbstractBehaviour behaviour2 = behaviour as ImageTargetAbstractBehaviour;
if ((behaviour2 != null) && behaviour2.enabled)
{
foreach (VirtualButtonAbstractBehaviour behaviour3 in behaviour2.GetVirtualButtonBehaviours())
{
if (behaviour3.enabled)
{
list.Add(behaviour3);
}
}
}
}
foreach (VirtualButtonAbstractBehaviour behaviour4 in list)
{
QCARManagerImpl.VirtualButtonData data2;
if (dictionary.TryGetValue(behaviour4.VirtualButton.ID, out data2))
{
behaviour4.OnTrackerUpdated(data2.isPressed > 0);
}
else
{
behaviour4.OnTrackerUpdated(false);
}
}
}
