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/****************************************************************************
* *
* OpenNI 1.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* OpenNI is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* OpenNI is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with OpenNI. If not, see <http://www.gnu.org/licenses/>. *
* *
****************************************************************************/
#include "RotatingDeviceExtension.h"
#include "SampleRotatingDevice.h"
//---------------------------------------------------------------------------
// Helper Function
//---------------------------------------------------------------------------
static SampleRotatingDevice* GetRotatingDevicePointer(XnNodeHandle hNode)
{
// take module handle
xn::ModuleProductionNode* pNode = (xn::ModuleProductionNode*)xnGetModuleNodeHandle(hNode);
// dynamic cast it to my type
SampleRotatingDevice* pThis = dynamic_cast<SampleRotatingDevice*>(pNode);
return pThis;
}
//---------------------------------------------------------------------------
// Exported Data
//---------------------------------------------------------------------------
SAMPLE_DEVICE_API XnProductionNodeType XN_NODE_TYPE_ROTATING_DEVICE;
//---------------------------------------------------------------------------
// Exported C Functions
//---------------------------------------------------------------------------
SAMPLE_DEVICE_API XnStatus xnPlayBeep(XnNodeHandle hNode)
{
SampleRotatingDevice* pThis = GetRotatingDevicePointer(hNode);
if (pThis == NULL)
{
return XN_STATUS_INVALID_OPERATION;
}
return pThis->PlayBeep();
}
SAMPLE_DEVICE_API XnStatus xnSetViewAngle(XnNodeHandle hNode, XnDouble dAngle)
{
SampleRotatingDevice* pThis = GetRotatingDevicePointer(hNode);
if (pThis == NULL)
{
return XN_STATUS_INVALID_OPERATION;
}
return pThis->SetViewAngle(dAngle);
}
SAMPLE_DEVICE_API XnDouble xnGetViewAngle(XnNodeHandle hNode)
{
SampleRotatingDevice* pThis = GetRotatingDevicePointer(hNode);
if (pThis == NULL)
{
return -1.0;
}
return pThis->GetViewAngle();
}
struct ViewAngleChangeCookie
{
XnStateChangedHandler pUserCallback;
void* pUserCookie;
XnNodeHandle hNode;
XnCallbackHandle hCallback;
};
static void XN_CALLBACK_TYPE ViewAngleChangedCallback(void* pCookie)
{
ViewAngleChangeCookie* pViewAngleCookie = (ViewAngleChangeCookie*)pCookie;
pViewAngleCookie->pUserCallback(pViewAngleCookie->hNode, pViewAngleCookie->pUserCookie);
}
SAMPLE_DEVICE_API XnStatus xnRegisterToViewAngleChange(XnNodeHandle hNode, XnStateChangedHandler handler, void* pCookie, XnCallbackHandle* phCallback)
{
XnStatus nRetVal = XN_STATUS_OK;
SampleRotatingDevice* pThis = GetRotatingDevicePointer(hNode);
if (pThis == NULL)
{
return XN_STATUS_INVALID_OPERATION;
}
ViewAngleChangeCookie* pViewAngleCookie = XN_NEW(ViewAngleChangeCookie);
pViewAngleCookie->pUserCallback = handler;
pViewAngleCookie->pUserCookie = pCookie;
pViewAngleCookie->hNode = hNode;
nRetVal = pThis->RegisterToViewAngleChange(ViewAngleChangedCallback, pViewAngleCookie, pViewAngleCookie->hCallback);
XN_IS_STATUS_OK(nRetVal);
*phCallback = pViewAngleCookie;
return (XN_STATUS_OK);
}
SAMPLE_DEVICE_API void xnUnregisterFromViewAngleChange(XnNodeHandle hNode, XnCallbackHandle hCallback)
{
SampleRotatingDevice* pThis = GetRotatingDevicePointer(hNode);
if (pThis == NULL)
{
return;
}
ViewAngleChangeCookie* pViewAngleCookie = (ViewAngleChangeCookie*)hCallback;
pThis->UnregisterFromViewAngleChange(pViewAngleCookie->hCallback);
XN_DELETE(pViewAngleCookie);
}
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