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);
}
}
private VirtualButton CreateNewVirtualButtonInNative(string name, RectangleData rectangleData)
{
if (this.ImageTargetType != ImageTargetType.PREDEFINED)
{
Debug.LogError("DataSet.RegisterVirtualButton: virtual button '" + name + "' cannot be registered for a user defined target.");
return(null);
}
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(RectangleData)));
Marshal.StructureToPtr(rectangleData, ptr, false);
bool flag = QCARWrapper.Instance.ImageTargetCreateVirtualButton(this.mDataSet.DataSetPtr, base.Name, name, ptr) != 0;
VirtualButton button = null;
if (!flag)
{
return(button);
}
int key = QCARWrapper.Instance.VirtualButtonGetId(this.mDataSet.DataSetPtr, base.Name, name);
if (!this.mVirtualButtons.ContainsKey(key))
{
button = new VirtualButtonImpl(name, key, rectangleData, this, this.mDataSet);
this.mVirtualButtons.Add(key, button);
return(button);
}
return(this.mVirtualButtons[key]);
}
/// <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);
}
}
// Registers a Virtual Button at native code.
private VirtualButton CreateNewVirtualButtonInNative(string name, VirtualButton.RectangleData rectangleData)
{
// virtual buttons cannot be registered for user defined targets:
if (ImageTargetType != ImageTargetType.PREDEFINED)
{
Debug.LogError("DataSet.RegisterVirtualButton: virtual button '" + name +
"' cannot be registered for a user defined target.");
return(null);
}
IntPtr rectPtr = Marshal.AllocHGlobal(
Marshal.SizeOf(typeof(VirtualButton.RectangleData)));
Marshal.StructureToPtr(rectangleData, rectPtr, false);
bool registerWorked =
(QCARWrapper.Instance.ImageTargetCreateVirtualButton(mDataSet.DataSetPtr, Name,
name, rectPtr) != 0);
VirtualButton vb = null;
if (registerWorked)
{
int id = QCARWrapper.Instance.VirtualButtonGetId(mDataSet.DataSetPtr, Name,
name);
// Check we don't have an entry for this id:
if (!mVirtualButtons.ContainsKey(id))
{
// Add:
vb = new VirtualButtonImpl(name, id, rectangleData, this, mDataSet);
mVirtualButtons.Add(id, vb);
}
else
{
vb = mVirtualButtons[id];
}
}
return(vb);
}
/// <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);
IntPtr virtualButtonDataPtr =
Marshal.AllocHGlobal(Marshal.SizeOf(typeof(QCARManagerImpl.VirtualButtonData)) * numVirtualButtons);
IntPtr rectangleDataPtr =
Marshal.AllocHGlobal(Marshal.SizeOf(typeof(VirtualButton.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(VirtualButton.RectangleData)));
VirtualButton.RectangleData rectData = (VirtualButton.RectangleData)
Marshal.PtrToStructure(rectPtr, typeof(VirtualButton.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);
}
// Registers a Virtual Button at native code.
private VirtualButton CreateNewVirtualButtonInNative(string name, VirtualButton.RectangleData rectangleData)
{
// virtual buttons cannot be registered for user defined targets:
if (ImageTargetType != ImageTargetType.PREDEFINED)
{
Debug.LogError("DataSet.RegisterVirtualButton: virtual button '" + name +
"' cannot be registered for a user defined target.");
return null;
}
IntPtr rectPtr = Marshal.AllocHGlobal(
Marshal.SizeOf(typeof(VirtualButton.RectangleData)));
Marshal.StructureToPtr(rectangleData, rectPtr, false);
bool registerWorked =
(QCARWrapper.Instance.ImageTargetCreateVirtualButton(mDataSet.DataSetPtr, Name,
name, rectPtr) != 0);
VirtualButton vb = null;
if (registerWorked)
{
int id = QCARWrapper.Instance.VirtualButtonGetId(mDataSet.DataSetPtr, Name,
name);
// Check we don't have an entry for this id:
if (!mVirtualButtons.ContainsKey(id))
{
// Add:
vb = new VirtualButtonImpl(name, id, rectangleData, this, mDataSet);
mVirtualButtons.Add(id, vb);
}
else
{
vb = mVirtualButtons[id];
}
}
return vb;
}
