Beispiel #1
0
// EXPORT FUNCTION:Init()
__declspec(dllexport) bool __stdcall OpenNIInit( HWND hWnd, bool EngFlag, LPDIRECT3DDEVICE9 lpDevice, WCHAR* f_path, CHAR* onifilename )
{
	TrackingF=false;
	for( int i = 0; i < 15; ++ i )
		TrCount[i] = 0;

	SetCurrentDirectoryW( f_path );

	if( nite::NiTE::initialize() == nite::STATUS_OK )
	{
		if( g_UserTracker.create() == nite::STATUS_OK )
		{
			nite::UserTrackerFrameRef mUserFrame;
			if( g_UserTracker.readFrame( &mUserFrame ) == nite::STATUS_OK )
			{
				openni::VideoFrameRef mDepthMap = mUserFrame.getDepthFrame();
				int x = mDepthMap.getWidth(),
					y = mDepthMap.getHeight();
				
				texWidth =  getClosestPowerOfTwo( x / 4 );
				texHeight = getClosestPowerOfTwo( y / 4 );
				
				if( FAILED( lpDevice->CreateTexture( texWidth, texHeight, 1, 0, D3DFMT_A8R8G8B8, D3DPOOL_MANAGED, &DepthTex, NULL ) ) )
				{
					MessageBox( hWnd, L"Cannot create depth texture", L"NiTE2", MB_OK );
					OpenNIClean();
					return false;
				}

				return true;
			}
			else
			{
				printError( hWnd, "UserTracker.readFrame" );
				MessageBox( hWnd, L"Cannot read user tracker frame", L"NiTE2", MB_OK );
				OpenNIClean();
				return false;
			}
		}
		else
		{
			printError( hWnd, "UserTracker.create" );
			MessageBox( hWnd, L"Cannot create user tracker", L"NiTE2", MB_OK );
			OpenNIClean();
			return false;
		}
	}
	else
	{
		printError( hWnd, "Init" );
		MessageBox( hWnd, L"Cannot initial NiTE", L"NiTE2", MB_OK );
		return false;
	}
}
Beispiel #2
0
GLuint initTexture(void** buf, int& width, int& height)
{
	GLuint texID = 0;
	glGenTextures(1,&texID);

	width = getClosestPowerOfTwo(width);
	height = getClosestPowerOfTwo(height); 
	*buf = new unsigned char[width*height*4];
	glBindTexture(GL_TEXTURE_2D,texID);

	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

	return texID;
}
Beispiel #3
0
void DrawDepthMap(const xn::DepthMetaData& dm)
{
	static bool bInitialized = false;	
	static GLuint depthTexID;
	static unsigned char* pDepthTexBuf;
	static int texWidth, texHeight;

	 float topLeftX;
	 float topLeftY;
	 float bottomRightY;
	 float bottomRightX;
	float texXpos;
	float texYpos;

	if(!bInitialized)
	{
		XnUInt16 nXRes = dm.XRes();
		XnUInt16 nYRes = dm.YRes();
		texWidth =  getClosestPowerOfTwo(nXRes);
		texHeight = getClosestPowerOfTwo(nYRes);

		depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;

		bInitialized = true;

		topLeftX = nXRes;
		topLeftY = 0;
		bottomRightY = nYRes;
		bottomRightX = 0;
		texXpos =(float)nXRes/texWidth;
		texYpos  =(float)nYRes/texHeight;

		memset(texcoords, 0, 8*sizeof(float));
		texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;

	}
	unsigned int nValue = 0;
	unsigned int nHistValue = 0;
	unsigned int nIndex = 0;
	unsigned int nX = 0;
	unsigned int nY = 0;
	unsigned int nNumberOfPoints = 0;
	XnUInt16 g_nXRes = dm.XRes();
	XnUInt16 g_nYRes = dm.YRes();

	unsigned char* pDestImage = pDepthTexBuf;

	const XnUInt16* pDepth = dm.Data();

	// Calculate the accumulative histogram
	memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
	for (nY=0; nY<g_nYRes; nY++)
	{
		for (nX=0; nX<g_nXRes; nX++)
		{
			nValue = *pDepth;

			if (nValue != 0)
			{
				g_pDepthHist[nValue]++;
				nNumberOfPoints++;
			}

			pDepth++;
		}
	}

	for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
	{
		g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
	}
	if (nNumberOfPoints)
	{
		for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
		{
			g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
		}
	}

	pDepth = dm.Data();
	{
		XnUInt32 nIndex = 0;
		// Prepare the texture map
		for (nY=0; nY<g_nYRes; nY++)
		{
			for (nX=0; nX < g_nXRes; nX++, nIndex++)
			{
				nValue = *pDepth;

				if (nValue != 0)
				{
					nHistValue = g_pDepthHist[nValue];

					pDestImage[0] = nHistValue; 
					pDestImage[1] = nHistValue;
					pDestImage[2] = nHistValue;
				}
				else
				{
					pDestImage[0] = 0;
					pDestImage[1] = 0;
					pDestImage[2] = 0;
				}

				pDepth++;
				pDestImage+=3;
			}

			pDestImage += (texWidth - g_nXRes) *3;
		}
	}
	glBindTexture(GL_TEXTURE_2D, depthTexID);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);

	// Display the OpenGL texture map
	glColor4f(0.5,0.5,0.5,1);

	glEnable(GL_TEXTURE_2D);
	DrawTexture(dm.XRes(),dm.YRes(),0,0);	
	glDisable(GL_TEXTURE_2D);
}
Beispiel #4
0
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
	static bool bInitialized = false;
	static GLuint depthTexID;
	static unsigned char* pDepthTexBuf;
	static int texWidth, texHeight;

	float topLeftX;
	float topLeftY;
	float bottomRightY;
	float bottomRightX;
	float texXpos;
	float texYpos;

	if(!bInitialized)
	{
		texWidth =  getClosestPowerOfTwo(dmd.XRes());
		texHeight = getClosestPowerOfTwo(dmd.YRes());

//		printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
		depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;

//		printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
		bInitialized = true;

		topLeftX = dmd.XRes();
		topLeftY = 0;
		bottomRightY = dmd.YRes();
		bottomRightX = 0;
		texXpos =(float)dmd.XRes()/texWidth;
		texYpos  =(float)dmd.YRes()/texHeight;

		memset(texcoords, 0, 8*sizeof(float));
		texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;
	}

	unsigned int nValue = 0;
	unsigned int nHistValue = 0;
	unsigned int nIndex = 0;
	unsigned int nX = 0;
	unsigned int nY = 0;
	unsigned int nNumberOfPoints = 0;
	XnUInt16 g_nXRes = dmd.XRes();
	XnUInt16 g_nYRes = dmd.YRes();

	unsigned char* pDestImage = pDepthTexBuf;

	const XnDepthPixel* pDepth = dmd.Data();
	const XnLabel* pLabels = smd.Data();

	// Calculate the accumulative histogram
	memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
	for (nY=0; nY<g_nYRes; nY++)
	{
		for (nX=0; nX<g_nXRes; nX++)
		{
			nValue = *pDepth;

			if (nValue != 0)
			{
				g_pDepthHist[nValue]++;
				nNumberOfPoints++;
			}

			pDepth++;
		}
	}

	for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
	{
		g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
	}
	if (nNumberOfPoints)
	{
		for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
		{
			g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
		}
	}

	pDepth = dmd.Data();
	if (g_bDrawPixels)
	{
		XnUInt32 nIndex = 0;
		// Prepare the texture map
		for (nY=0; nY<g_nYRes; nY++)
		{
			for (nX=0; nX < g_nXRes; nX++, nIndex++)
			{

				pDestImage[0] = 0;
				pDestImage[1] = 0;
				pDestImage[2] = 0;
				if (g_bDrawBackground || *pLabels != 0)
				{
					nValue = *pDepth;
					XnLabel label = *pLabels;
					XnUInt32 nColorID = label % nColors;
					if (label == 0)
					{
						nColorID = nColors;
					}

					if (nValue != 0)
					{
						nHistValue = g_pDepthHist[nValue];

						pDestImage[0] = nHistValue * Colors[nColorID][0];
						pDestImage[1] = nHistValue * Colors[nColorID][1];
						pDestImage[2] = nHistValue * Colors[nColorID][2];
					}
				}

				pDepth++;
				pLabels++;
				pDestImage+=3;
			}

			pDestImage += (texWidth - g_nXRes) *3;
		}
	}
	else
	{
		xnOSMemSet(pDepthTexBuf, 0, 3*2*g_nXRes*g_nYRes);
	}

	glBindTexture(GL_TEXTURE_2D, depthTexID);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);

	// Display the OpenGL texture map
	glColor4f(0.75,0.75,0.75,1);

	glEnable(GL_TEXTURE_2D);
	DrawTexture(dmd.XRes(),dmd.YRes(),0,0);
	glDisable(GL_TEXTURE_2D);

	char strLabel[50] = "";
	XnUserID aUsers[15];
	XnUInt16 nUsers = 15;
	g_UserGenerator.GetUsers(aUsers, nUsers);
	for (int i = 0; i < nUsers; ++i)
	{

		if (g_bPrintID)
		{
			XnPoint3D com;
			g_UserGenerator.GetCoM(aUsers[i], com);
			g_DepthGenerator.ConvertRealWorldToProjective(1, &com, &com);

			xnOSMemSet(strLabel, 0, sizeof(strLabel));
			if (!g_bPrintState)
			{
				// Tracking
				sprintf(strLabel, "%d", aUsers[i]);
			}
			else if (g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
			{
				// Tracking
				sprintf(strLabel, "%d - Tracking", aUsers[i]);
			}
			else if (g_UserGenerator.GetSkeletonCap().IsCalibrating(aUsers[i]))
			{
				// Calibrating
				sprintf(strLabel, "%d - Calibrating [%s]", aUsers[i], GetCalibrationErrorString(m_Errors[aUsers[i]].first));
			}
			else
			{
				// Nothing
				sprintf(strLabel, "%d - Looking for pose [%s]", aUsers[i], GetPoseErrorString(m_Errors[aUsers[i]].second));
			}


			glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);

			glRasterPos2i(com.X, com.Y);
			glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
		}

		//Draw skeleton
		if (g_bDrawSkeleton && g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
		{

			glBegin(GL_LINES);

			glColor4f(1-Colors[aUsers[i]%nColors][0], 1-Colors[aUsers[i]%nColors][1], 1-Colors[aUsers[i]%nColors][2], 1);
			DrawLimb(aUsers[i], XN_SKEL_HEAD, XN_SKEL_NECK);

			DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_LEFT_SHOULDER);
			DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_LEFT_ELBOW);
			DrawLimb(aUsers[i], XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_HAND);

			DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_RIGHT_SHOULDER);
			DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_RIGHT_ELBOW);
			DrawLimb(aUsers[i], XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_HAND);

			DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_TORSO);
			DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_TORSO);

			DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_LEFT_HIP);
			DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_LEFT_KNEE);
			DrawLimb(aUsers[i], XN_SKEL_LEFT_KNEE, XN_SKEL_LEFT_FOOT);

			DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_RIGHT_HIP);
			DrawLimb(aUsers[i], XN_SKEL_RIGHT_HIP, XN_SKEL_RIGHT_KNEE);
			DrawLimb(aUsers[i], XN_SKEL_RIGHT_KNEE, XN_SKEL_RIGHT_FOOT);

			DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_RIGHT_HIP);

			glEnd();

		}
	}
}
Beispiel #5
0
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd, XnUserID player)
{
	static bool bInitialized = false;	
	static GLuint depthTexID;
	static unsigned char* pDepthTexBuf;
	static int texWidth, texHeight;

	 float topLeftX;
	 float topLeftY;
	 float bottomRightY;
	 float bottomRightX;
	float texXpos;
	float texYpos;

	if(!bInitialized)
	{

		texWidth =  getClosestPowerOfTwo(dmd.XRes());
		texHeight = getClosestPowerOfTwo(dmd.YRes());

//		printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
		depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;

//		printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
		bInitialized = true;

		topLeftX = dmd.XRes();
		topLeftY = 0;
		bottomRightY = dmd.YRes();
		bottomRightX = 0;
		texXpos =(float)dmd.XRes()/texWidth;
		texYpos  =(float)dmd.YRes()/texHeight;

		memset(texcoords, 0, 8*sizeof(float));
		texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;

	}
	unsigned int nValue = 0;
	unsigned int nHistValue = 0;
	unsigned int nIndex = 0;
	unsigned int nX = 0;
	unsigned int nY = 0;
	unsigned int nNumberOfPoints = 0;
	XnUInt16 g_nXRes = dmd.XRes();
	XnUInt16 g_nYRes = dmd.YRes();

	unsigned char* pDestImage = pDepthTexBuf;

	const XnDepthPixel* pDepth = dmd.Data();
	const XnLabel* pLabels = smd.Data();

	// Calculate the accumulative histogram
	memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
	for (nY=0; nY<g_nYRes; nY++)
	{
		for (nX=0; nX<g_nXRes; nX++)
		{
			nValue = *pDepth;

			if (nValue != 0)
			{
				g_pDepthHist[nValue]++;
				nNumberOfPoints++;
			}

			pDepth++;
		}
	}

	for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
	{
		g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
	}
	if (nNumberOfPoints)
	{
		for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
		{
			g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
		}
	}

	pDepth = dmd.Data();
	{
		XnUInt32 nIndex = 0;
		// Prepare the texture map
		for (nY=0; nY<g_nYRes; nY++)
		{
			for (nX=0; nX < g_nXRes; nX++, nIndex++)
			{
				nValue = *pDepth;
				XnLabel label = *pLabels;
				XnUInt32 nColorID = label % nColors;
				if (label == 0)
				{
					nColorID = nColors;
				}

				if (nValue != 0)
				{
					nHistValue = g_pDepthHist[nValue];

					pDestImage[0] = nHistValue * Colors[nColorID][0]; 
					pDestImage[1] = nHistValue * Colors[nColorID][1];
					pDestImage[2] = nHistValue * Colors[nColorID][2];
				}
				else
				{
					pDestImage[0] = 0;
					pDestImage[1] = 0;
					pDestImage[2] = 0;
				}

				pDepth++;
				pLabels++;
				pDestImage+=3;
			}

			pDestImage += (texWidth - g_nXRes) *3;
		}
	}

	glBindTexture(GL_TEXTURE_2D, depthTexID);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);

	// Display the OpenGL texture map
	glColor4f(0.75,0.75,0.75,1);

	glEnable(GL_TEXTURE_2D);
	DrawTexture(dmd.XRes(),dmd.YRes(),0,0);	
	glDisable(GL_TEXTURE_2D);

	char strLabel[20] = "";
	XnUserID aUsers[15];
	XnUInt16 nUsers = 15;
	g_UserGenerator.GetUsers(aUsers, nUsers);
	for (int i = 0; i < nUsers; ++i)
	{
		XnPoint3D com;
		g_UserGenerator.GetCoM(aUsers[i], com);
		g_DepthGenerator.ConvertRealWorldToProjective(1, &com, &com);

		if (aUsers[i] == player)
			sprintf(strLabel, "%d (Player)", aUsers[i]);
		else
			sprintf(strLabel, "%d", aUsers[i]);

		glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);

		glRasterPos2i(com.X, com.Y);
		glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
	}

	// Draw skeleton of user
	if (player != 0)
	{
		glBegin(GL_LINES);
		glColor4f(1-Colors[player%nColors][0], 1-Colors[player%nColors][1], 1-Colors[player%nColors][2], 1);
    
    // gesture
    static int gesture = 0;
    static XnPoint3D previousLeftHandPt;
    XnPoint3D newLeftHandPt;
    newLeftHandPt = getJointPoint(player, XN_SKEL_LEFT_HAND);
    
    if(previousLeftHandPt.X > 0 && previousLeftHandPt.X < 640)
      if(previousLeftHandPt.X - newLeftHandPt.X > 60)
          gesture = 1;
      else if(previousLeftHandPt.X - newLeftHandPt.X < -60)
          gesture = 2;
      else if(previousLeftHandPt.Y - newLeftHandPt.Y > 60)
          gesture = 3;
      else if(previousLeftHandPt.Y - newLeftHandPt.Y < -60)
          gesture = 4;
      else
          gesture = 0;
    if(gesture != 0)
      printf("gesture: %d\n", gesture);

    previousLeftHandPt = newLeftHandPt;
		
    // head
    XnPoint3D pt = getJointPoint(player, XN_SKEL_HEAD);
    
    // save
    saveLocation(pt, newLeftHandPt, gesture);
    

    DrawLimb(player, XN_SKEL_HEAD, XN_SKEL_NECK);

		DrawLimb(player, XN_SKEL_NECK, XN_SKEL_LEFT_SHOULDER);
		DrawLimb(player, XN_SKEL_LEFT_SHOULDER, XN_SKEL_LEFT_ELBOW);
		DrawLimb(player, XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_HAND);

		DrawLimb(player, XN_SKEL_NECK, XN_SKEL_RIGHT_SHOULDER);
		DrawLimb(player, XN_SKEL_RIGHT_SHOULDER, XN_SKEL_RIGHT_ELBOW);
		DrawLimb(player, XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_HAND);

		DrawLimb(player, XN_SKEL_LEFT_SHOULDER, XN_SKEL_TORSO);
		DrawLimb(player, XN_SKEL_RIGHT_SHOULDER, XN_SKEL_TORSO);

		DrawLimb(player, XN_SKEL_TORSO, XN_SKEL_LEFT_HIP);
		DrawLimb(player, XN_SKEL_LEFT_HIP, XN_SKEL_LEFT_KNEE);
		DrawLimb(player, XN_SKEL_LEFT_KNEE, XN_SKEL_LEFT_FOOT);

		DrawLimb(player, XN_SKEL_TORSO, XN_SKEL_RIGHT_HIP);
		DrawLimb(player, XN_SKEL_RIGHT_HIP, XN_SKEL_RIGHT_KNEE);
		DrawLimb(player, XN_SKEL_RIGHT_KNEE, XN_SKEL_RIGHT_FOOT);
		glEnd();
	}
}
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
	static bool bInitialized = false;
	static GLuint depthTexID;
	static unsigned char* pDepthTexBuf;
	static int texWidth, texHeight;

	 float topLeftX;
	 float topLeftY;
	 float bottomRightY;
	 float bottomRightX;
	float texXpos;
	float texYpos;

	if(!bInitialized)
	{

		texWidth =  getClosestPowerOfTwo(dmd.XRes());
		texHeight = getClosestPowerOfTwo(dmd.YRes());

//		printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
		depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;

//		printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
		bInitialized = true;

		topLeftX = dmd.XRes();
		topLeftY = 0;
		bottomRightY = dmd.YRes();
		bottomRightX = 0;
		texXpos =(float)dmd.XRes()/texWidth;
		texYpos  =(float)dmd.YRes()/texHeight;

		memset(texcoords, 0, 8*sizeof(float));
		texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;

	}
	unsigned int nValue = 0;
	unsigned int nHistValue = 0;
	unsigned int nIndex = 0;
	unsigned int nX = 0;
	unsigned int nY = 0;
	unsigned int nNumberOfPoints = 0;
	XnUInt16 g_nXRes = dmd.XRes();
	XnUInt16 g_nYRes = dmd.YRes();

	unsigned char* pDestImage = pDepthTexBuf;

	const XnDepthPixel* pDepth = dmd.Data();
	const XnLabel* pLabels = smd.Data();

	// Calculate the accumulative histogram
	memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
	for (nY=0; nY<g_nYRes; nY++)
	{
		for (nX=0; nX<g_nXRes; nX++)
		{
			nValue = *pDepth;

			if (nValue != 0)
			{
				g_pDepthHist[nValue]++;
				nNumberOfPoints++;
			}

			pDepth++;
		}
	}

	for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
	{
		g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
	}
	if (nNumberOfPoints)
	{
		for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
		{
			g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
		}
	}

	XnPoint3D coms[20];
	XnUInt32 labels[20] = {0};
	for (int i = 0; i < 20; ++i)
	{
		coms[i] = xnCreatePoint3D(0,0,0);
	}

	pDepth = dmd.Data();
	{
		XnUInt32 nIndex = 0;
		// Prepare the texture map
		for (nY=0; nY<g_nYRes; nY++)
		{
			for (nX=0; nX < g_nXRes; nX++, nIndex++)
			{
				nValue = *pDepth;
				XnLabel label = *pLabels;
				XnUInt32 nColorID = label % nColors;
				if (label == 0)
				{
					nColorID = nColors;
				}

				if (nValue != 0)
				{
					nHistValue = g_pDepthHist[nValue];

					pDestImage[0] = nHistValue * Colors[nColorID][0];
					pDestImage[1] = nHistValue * Colors[nColorID][1];
					pDestImage[2] = nHistValue * Colors[nColorID][2];

					if (label < 20 && label > 0)
					{
						coms[label].X += nX;
						coms[label].Y += nY;
						coms[label].Z += *pDepth;
						labels[label]++;
					}
				}
				else
				{
					pDestImage[0] = 0;
					pDestImage[1] = 0;
					pDestImage[2] = 0;
				}

				pDepth++;
				pLabels++;
				pDestImage+=3;
			}

			pDestImage += (texWidth - g_nXRes) *3;
		}
	}

	glBindTexture(GL_TEXTURE_2D, depthTexID);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);

	// Display the OpenGL texture map
	glColor4f(0.75,0.75,0.75,1);

	glEnable(GL_TEXTURE_2D);
	DrawTexture(dmd.XRes(),dmd.YRes(),0,0);
	glDisable(GL_TEXTURE_2D);
#ifdef USE_GLUT
	char strLabel[3] = "";
	for (int i = 0; i < 20; ++i)
	{
		if (labels[i] == 0)
			continue;
		coms[i].X /= labels[i];
		coms[i].Y /= labels[i];
		coms[i].Z /= labels[i];

		sprintf(strLabel, "%d", i);

		glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);

		glRasterPos2i(coms[i].X, coms[i].Y);
		glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
	}
#endif
}
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
	static bool bInitialized = false;	
	static GLuint depthTexID;
	static unsigned char* pDepthTexBuf;
	static int texWidth, texHeight;

	float topLeftX;
	float topLeftY;
	float bottomRightY;
	float bottomRightX;
	float texXpos;
	float texYpos;

	/*
	if not initialized
	set parameters and reserve memory space
	*/
	if(!bInitialized)
	{
		texWidth =  getClosestPowerOfTwo(dmd.XRes());
		texHeight = getClosestPowerOfTwo(dmd.YRes());

//		printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
		depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;

//		printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
		bInitialized = true;

		topLeftX = dmd.XRes();
		topLeftY = 0;
		bottomRightY = dmd.YRes();
		bottomRightX = 0;
		texXpos =(float)dmd.XRes()/texWidth;
		texYpos  =(float)dmd.YRes()/texHeight;

		memset(texcoords, 0, 8*sizeof(float));
		texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;
	}

	unsigned int nValue = 0;
	unsigned int nHistValue = 0;
	unsigned int nIndex = 0;
	unsigned int nX = 0;
	unsigned int nY = 0;
	unsigned int nNumberOfPoints = 0;
	XnUInt16 g_nXRes = dmd.XRes();
	XnUInt16 g_nYRes = dmd.YRes();

	unsigned char* pDestImage = pDepthTexBuf;

	const XnDepthPixel* pDepth = dmd.Data();
	const XnLabel* pLabels = smd.Data();

	// get the depth resolution
	static unsigned int nZRes = dmd.ZRes();
	static float* pDepthHist = (float*)malloc(nZRes* sizeof(float));

	// Calculate the accumulative histogram
	memset(pDepthHist, 0, nZRes*sizeof(float));

	// count the number of pixels of every possible depth value
	for (nY=0; nY<g_nYRes; nY++)
	{
		for (nX=0; nX<g_nXRes; nX++)
		{
			nValue = *pDepth;

			if (nValue != 0)
			{
				pDepthHist[nValue]++;
				nNumberOfPoints++;
			}

			pDepth++;
		}
	}

	for (nIndex=1; nIndex<nZRes; nIndex++)
	{
		pDepthHist[nIndex] += pDepthHist[nIndex-1];
	}

	// calculate percentage for every depth value
	// the larger the value is, the darker the pixel should be 
	if (nNumberOfPoints)
	{
		for (nIndex=1; nIndex<nZRes; nIndex++)
		{
			pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (pDepthHist[nIndex] / nNumberOfPoints)));
		}
	}

	pDepth = dmd.Data();
	if (g_bDrawPixels)
	{
		XnUInt32 nIndex = 0;
		// Prepare the texture map
		for (nY=0; nY<g_nYRes; nY++)
		{
			for (nX=0; nX < g_nXRes; nX++, nIndex++)
			{

				pDestImage[0] = 0;
				pDestImage[1] = 0;
				pDestImage[2] = 0;
				if (g_bDrawBackground || *pLabels != 0)
				{
					nValue = *pDepth;
					XnLabel label = *pLabels;
					XnUInt32 nColorID = label % nColors;
					if (label == 0)
					{
						nColorID = nColors;
					}

					if (nValue != 0)
					{
						nHistValue = pDepthHist[nValue];

						pDestImage[0] = nHistValue * Colors[nColorID][0]; 
						pDestImage[1] = nHistValue * Colors[nColorID][1];
						pDestImage[2] = nHistValue * Colors[nColorID][2];
					}
				}

				pDepth++;
				pLabels++;
				pDestImage+=3;
			}

			pDestImage += (texWidth - g_nXRes) *3;
		}
	}
	else
	{
		xnOSMemSet(pDepthTexBuf, 0, 3*2*g_nXRes*g_nYRes);
	}

	glBindTexture(GL_TEXTURE_2D, depthTexID);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);

	// Display the OpenGL texture map
	glColor4f(0.75,0.75,0.75,1);

	glEnable(GL_TEXTURE_2D);
	DrawTexture(dmd.XRes(),dmd.YRes(),0,0);	
	glDisable(GL_TEXTURE_2D);

	char strLabel[50] = "";
	XnUserID aUsers[15];
	XnUInt16 nUsers = 15;
	g_UserGenerator.GetUsers(aUsers, nUsers);
	for (int i = 0; i < nUsers; ++i)
	{
#ifndef USE_GLES
		if (g_bPrintID)
		{
			XnPoint3D com;
			g_UserGenerator.GetCoM(aUsers[i], com);
			g_DepthGenerator.ConvertRealWorldToProjective(1, &com, &com);

			XnUInt32 nDummy = 0;

			xnOSMemSet(strLabel, 0, sizeof(strLabel));
			if (!g_bPrintState)
			{
				// Tracking
				xnOSStrFormat(strLabel, sizeof(strLabel), &nDummy, "%d", aUsers[i]);
			}
			else if (g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
			{
				// Tracking
				xnOSStrFormat(strLabel, sizeof(strLabel), &nDummy, "%d - Tracking", aUsers[i]);
			}
			else if (g_UserGenerator.GetSkeletonCap().IsCalibrating(aUsers[i]))
			{
				// Calibrating
				xnOSStrFormat(strLabel, sizeof(strLabel), &nDummy, "%d - Calibrating [%s]", aUsers[i], GetCalibrationErrorString(m_Errors[aUsers[i]].first));
			}
			else
			{
				// Nothing
				xnOSStrFormat(strLabel, sizeof(strLabel), &nDummy, "%d - Looking for pose [%s]", aUsers[i], GetPoseErrorString(m_Errors[aUsers[i]].second));
			}


			glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);

			glRasterPos2i(com.X, com.Y);
			glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
		}
#endif
		if (g_bDrawSkeleton && g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
		{
			glColor4f(1-Colors[aUsers[i]%nColors][0], 1-Colors[aUsers[i]%nColors][1], 1-Colors[aUsers[i]%nColors][2], 1);

			// Draw Joints
			if (g_bMarkJoints)
			{
				// Try to draw all joints
				DrawJoint(aUsers[i], XN_SKEL_HEAD);
				DrawJoint(aUsers[i], XN_SKEL_NECK);
				DrawJoint(aUsers[i], XN_SKEL_TORSO);
				DrawJoint(aUsers[i], XN_SKEL_WAIST);

				DrawJoint(aUsers[i], XN_SKEL_LEFT_COLLAR);
				DrawJoint(aUsers[i], XN_SKEL_LEFT_SHOULDER);
				DrawJoint(aUsers[i], XN_SKEL_LEFT_ELBOW);
				DrawJoint(aUsers[i], XN_SKEL_LEFT_WRIST);
				DrawJoint(aUsers[i], XN_SKEL_LEFT_HAND);
				DrawJoint(aUsers[i], XN_SKEL_LEFT_FINGERTIP);

				DrawJoint(aUsers[i], XN_SKEL_RIGHT_COLLAR);
				DrawJoint(aUsers[i], XN_SKEL_RIGHT_SHOULDER);
				DrawJoint(aUsers[i], XN_SKEL_RIGHT_ELBOW);
				DrawJoint(aUsers[i], XN_SKEL_RIGHT_WRIST);
				DrawJoint(aUsers[i], XN_SKEL_RIGHT_HAND);
				DrawJoint(aUsers[i], XN_SKEL_RIGHT_FINGERTIP);

				DrawJoint(aUsers[i], XN_SKEL_LEFT_HIP);
				DrawJoint(aUsers[i], XN_SKEL_LEFT_KNEE);
				DrawJoint(aUsers[i], XN_SKEL_LEFT_ANKLE);
				DrawJoint(aUsers[i], XN_SKEL_LEFT_FOOT);

				DrawJoint(aUsers[i], XN_SKEL_RIGHT_HIP);
				DrawJoint(aUsers[i], XN_SKEL_RIGHT_KNEE);
				DrawJoint(aUsers[i], XN_SKEL_RIGHT_ANKLE);
				DrawJoint(aUsers[i], XN_SKEL_RIGHT_FOOT);
			}

#ifndef USE_GLES
			glBegin(GL_LINES);
#endif

			// Draw Limbs
			DrawLimb(aUsers[i], XN_SKEL_HEAD, XN_SKEL_NECK);

			DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_LEFT_SHOULDER);
			DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_LEFT_ELBOW);
			if (!DrawLimb(aUsers[i], XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_WRIST))
			{
				DrawLimb(aUsers[i], XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_HAND);
			}
			else
			{
				DrawLimb(aUsers[i], XN_SKEL_LEFT_WRIST, XN_SKEL_LEFT_HAND);
				DrawLimb(aUsers[i], XN_SKEL_LEFT_HAND, XN_SKEL_LEFT_FINGERTIP);
			}


			DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_RIGHT_SHOULDER);
			DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_RIGHT_ELBOW);
			if (!DrawLimb(aUsers[i], XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_WRIST))
			{
				DrawLimb(aUsers[i], XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_HAND);
			}
			else
			{
				DrawLimb(aUsers[i], XN_SKEL_RIGHT_WRIST, XN_SKEL_RIGHT_HAND);
				DrawLimb(aUsers[i], XN_SKEL_RIGHT_HAND, XN_SKEL_RIGHT_FINGERTIP);
			}

			DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_TORSO);
			DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_TORSO);

			DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_LEFT_HIP);
			DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_LEFT_KNEE);
			DrawLimb(aUsers[i], XN_SKEL_LEFT_KNEE, XN_SKEL_LEFT_FOOT);

			DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_RIGHT_HIP);
			DrawLimb(aUsers[i], XN_SKEL_RIGHT_HIP, XN_SKEL_RIGHT_KNEE);
			DrawLimb(aUsers[i], XN_SKEL_RIGHT_KNEE, XN_SKEL_RIGHT_FOOT);

			DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_RIGHT_HIP);
#ifndef USE_GLES
			glEnd();
#endif
		}
	}

	if (g_bPrintFrameID)
	{
		static XnChar strFrameID[80];
		xnOSMemSet(strFrameID, 0, 80);
		XnUInt32 nDummy = 0;
		xnOSStrFormat(strFrameID, sizeof(strFrameID), &nDummy, "%d", dmd.FrameID());

		glColor4f(1, 0, 0, 1);

		glRasterPos2i(10, 10);

		glPrintString(GLUT_BITMAP_HELVETICA_18, strFrameID);
	}
}
void SimKinect::DrawDepthMapWithUsers(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
	static bool bInitialized = false;	
	//image used in opencv;
  
  static unsigned char* pDepthTexBuf;
	static int texWidth, texHeight;

	float topLeftX;
	float topLeftY;
	float bottomRightY;
	float bottomRightX;
	float texXpos;
	float texYpos;

	if(!bInitialized)
	{
		texWidth =  getClosestPowerOfTwo(dmd.XRes());
		texHeight = getClosestPowerOfTwo(dmd.YRes());
    pDepthTexBuf = (unsigned char*)malloc(dmd.XRes()*dmd.YRes()*3*sizeof(unsigned char));
//		printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
		bInitialized = true;

		topLeftX = dmd.XRes();
		topLeftY = 0;
		bottomRightY = dmd.YRes();
		bottomRightX = 0;
		texXpos =(float)dmd.XRes()/texWidth;
		texYpos  =(float)dmd.YRes()/texHeight;
	}
  
	unsigned int nValue = 0;
  unsigned int nHistValue = 0;
	unsigned int nIndex = 0;
	unsigned int nX = 0;
	unsigned int nY = 0;
	unsigned int nNumberOfPoints = 0;
	XnUInt16 nXRes = dmd.XRes();
	XnUInt16 nYRes = dmd.YRes();

	unsigned char* pDestImage = pDepthTexBuf;

	const XnDepthPixel* pDepth = dmd.Data();
	const XnLabel* pLabels = smd.Data();
  int* p_depth_map = depth_map;
  //Calculate the accumulative histogram
	memset(pDepthHist, 0, MAX_DEPTH*sizeof(float));
	for (nY=0; nY<nYRes; nY++)
	{
		for (nX=0; nX<nXRes; nX++)
		{
			nValue = *pDepth;
      *p_depth_map++ = nValue;
			if (nValue != 0)
			{
				pDepthHist[nValue]++;
				nNumberOfPoints++;
			}

			pDepth++;
		}
	}
  
	for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
	{
		pDepthHist[nIndex] += pDepthHist[nIndex-1];
	}
	if (nNumberOfPoints)
	{
		for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
		{
			pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (pDepthHist[nIndex] / nNumberOfPoints)));
		}
	}
  pDepth = dmd.Data();
  
	if (bDrawPixels)
	{
		
		// Prepare the texture map
		for (nY=0; nY<nYRes; nY++)
		{
			for (nX=0; nX < nXRes; nX++)
			{

				pDestImage[0] = 0;
				pDestImage[1] = 0;
				pDestImage[2] = 0;
				if (bDrawBackground || *pLabels != 0)
				{
					nValue = *pDepth;
					XnLabel label = *pLabels;
					XnUInt32 nColorID = label % nColors;
					if (label == 0)
					{
						nColorID = nColors;
					}

					if (nValue != 0)
					{
						nHistValue = pDepthHist[nValue];

						pDestImage[0] = nHistValue * Colors[nColorID][0]; 
						pDestImage[1] = nHistValue * Colors[nColorID][1];
						pDestImage[2] = nHistValue * Colors[nColorID][2];
					}
				}

				pDepth++;
				pLabels++;
				pDestImage+=3;
			}
		}
	}
	else
	{
		xnOSMemSet(pDepthTexBuf, 0, 3*nXRes*nYRes);
	}
  
  //Draw depth image
  unsigned char* pix_ptr = pDepthTexBuf;
  
  for ( int i=0 ; i<video_size_height ; i++ ) {
    unsigned char* row_pointer = depth_frame+i*video_size_width*3;
    for ( int j=0 ; j<video_size_width*3; j+=3 ) {
      row_pointer[j] = *pix_ptr++;
      row_pointer[j+1]=*pix_ptr++;
      row_pointer[j+2]=*pix_ptr++;
    }
  }
}
Beispiel #9
0
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
    static bool bInitialized = false;
    static GLuint depthTexID;
    static unsigned char* pDepthTexBuf;
    static int texWidth, texHeight;

    float topLeftX;
    float topLeftY;
    float bottomRightY;
    float bottomRightX;
    float texXpos;
    float texYpos;

    if(!bInitialized)
    {

        texWidth =  getClosestPowerOfTwo(dmd.XRes());
        texHeight = getClosestPowerOfTwo(dmd.YRes());

//		printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
        depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;

//		printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
        bInitialized = true;

        topLeftX = dmd.XRes();
        topLeftY = 0;
        bottomRightY = dmd.YRes();
        bottomRightX = 0;
        texXpos =(float)dmd.XRes()/texWidth;
        texYpos  =(float)dmd.YRes()/texHeight;

        memset(texcoords, 0, 8*sizeof(float));
        texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;

    }
    unsigned int nValue = 0;
    unsigned int nHistValue = 0;
    unsigned int nIndex = 0;
    unsigned int nX = 0;
    unsigned int nY = 0;
    unsigned int nNumberOfPoints = 0;
    XnUInt16 g_nXRes = dmd.XRes();
    XnUInt16 g_nYRes = dmd.YRes();

    unsigned char* pDestImage = pDepthTexBuf;

    const XnDepthPixel* pDepth = dmd.Data();
    const XnLabel* pLabels = smd.Data();

    // Calculate the accumulative histogram
    memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
    for (nY=0; nY<g_nYRes; nY++)
    {
        for (nX=0; nX<g_nXRes; nX++)
        {
            nValue = *pDepth;

            if (nValue != 0)
            {
                g_pDepthHist[nValue]++;
                nNumberOfPoints++;
            }

            pDepth++;
        }
    }

    for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
    {
        g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
    }
    if (nNumberOfPoints)
    {
        for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
        {
            g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
        }
    }

    pDepth = dmd.Data();
    if (g_bDrawPixels)
    {
        XnUInt32 nIndex = 0;
        // Prepare the texture map
        for (nY=0; nY<g_nYRes; nY++)
        {
            for (nX=0; nX < g_nXRes; nX++, nIndex++)
            {

                pDestImage[0] = 0;
                pDestImage[1] = 0;
                pDestImage[2] = 0;
                if (g_bDrawBackground || *pLabels != 0)
                {
                    nValue = *pDepth;
                    XnLabel label = *pLabels;
                    XnUInt32 nColorID = label % nColors;
                    if (label == 0)
                    {
                        nColorID = nColors;
                    }

                    if (nValue != 0)
                    {
                        nHistValue = g_pDepthHist[nValue];

                        pDestImage[0] = nHistValue * Colors[nColorID][0];
                        pDestImage[1] = nHistValue * Colors[nColorID][1];
                        pDestImage[2] = nHistValue * Colors[nColorID][2];
                    }
                }

                pDepth++;
                pLabels++;
                pDestImage+=3;
            }

            pDestImage += (texWidth - g_nXRes) *3;
        }
    }
    else
    {
        xnOSMemSet(pDepthTexBuf, 0, 3*2*g_nXRes*g_nYRes);
    }

    glBindTexture(GL_TEXTURE_2D, depthTexID);
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);

    // Display the OpenGL texture map
    glColor4f(0.75,0.75,0.75,1);

    glEnable(GL_TEXTURE_2D);
    DrawTexture(dmd.XRes(),dmd.YRes(),0,0);
    glDisable(GL_TEXTURE_2D);

    char strLabel[50] = "";
    XnUserID aUsers[15];
    XnUInt16 nUsers = 15;
    g_UserGenerator.GetUsers(aUsers, nUsers);
    for (int i = 0; i < nUsers; ++i)
    {
#ifndef USE_GLES
        if (g_bPrintID)
        {
            XnPoint3D com;
            g_UserGenerator.GetCoM(aUsers[i], com);
            g_DepthGenerator.ConvertRealWorldToProjective(1, &com, &com);

            xnOSMemSet(strLabel, 0, sizeof(strLabel));
            if (!g_bPrintState)
            {
                // Tracking
                sprintf(strLabel, "%d", aUsers[i]);
            }
            else if (g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
            {
                // Tracking
                sprintf(strLabel, "%d - Tracking", aUsers[i]);
            }
            else if (g_UserGenerator.GetSkeletonCap().IsCalibrating(aUsers[i]))
            {
                // Calibrating
                sprintf(strLabel, "%d - Calibrating [%s]", aUsers[i], GetCalibrationErrorString(m_Errors[aUsers[i]].first));
            }
            else
            {
                // Nothing
                sprintf(strLabel, "%d - Looking for pose [%s]", aUsers[i], GetPoseErrorString(m_Errors[aUsers[i]].second));
            }


            glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);

            glRasterPos2i(com.X, com.Y);
            glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
        }
#endif
        if (g_bDrawSkeleton && g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
        {
#ifndef USE_GLES
            glBegin(GL_LINES);
#endif
            glColor4f(1-Colors[aUsers[i]%nColors][0], 1-Colors[aUsers[i]%nColors][1], 1-Colors[aUsers[i]%nColors][2], 1);
            DrawLimb(aUsers[i], XN_SKEL_HEAD, XN_SKEL_NECK);

            DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_LEFT_SHOULDER);
            DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_LEFT_ELBOW);
            DrawLimb(aUsers[i], XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_HAND);

            DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_RIGHT_SHOULDER);
            DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_RIGHT_ELBOW);
            DrawLimb(aUsers[i], XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_HAND);

            DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_TORSO);
            DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_TORSO);

            DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_LEFT_HIP);
            DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_LEFT_KNEE);
            DrawLimb(aUsers[i], XN_SKEL_LEFT_KNEE, XN_SKEL_LEFT_FOOT);

            DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_RIGHT_HIP);
            DrawLimb(aUsers[i], XN_SKEL_RIGHT_HIP, XN_SKEL_RIGHT_KNEE);
            DrawLimb(aUsers[i], XN_SKEL_RIGHT_KNEE, XN_SKEL_RIGHT_FOOT);

            DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_RIGHT_HIP);


            //---------------- get skeleton data ----------------------

            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_HEAD, head);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_NECK, neck);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_TORSO, torso);

            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_LEFT_SHOULDER, leftShoulder);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_LEFT_ELBOW, leftElbow);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_LEFT_HAND, leftHand);

            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_RIGHT_SHOULDER, rightShoulder);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_RIGHT_ELBOW, rightElbow);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_RIGHT_HAND, rightHand);

            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_LEFT_HIP, leftHip);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_LEFT_KNEE, leftKnee);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_LEFT_FOOT, leftFoot);

            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_RIGHT_HIP, rightHip);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_RIGHT_KNEE, rightKnee);
            g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
                    XN_SKEL_RIGHT_FOOT, rightFoot);

            //-------------- store frame data in frameData ------------
            char headX[30], headY[30], headZ[30], headC[30];
            strcpy(frameData, "");
            char space[2] = " ";

            sprintf(headX, "%f", head.position.X);
            sprintf(headY, "%f", head.position.Y);
            sprintf(headZ, "%f", head.position.Z);
            sprintf(headC, "%f", head.fConfidence);

            strcat(frameData, headX);
            strcat(frameData, space);
            strcat(frameData, headY);
            strcat(frameData, space);
            strcat(frameData, headZ);
            strcat(frameData, space);
            strcat(frameData, headC);
            strcat(frameData, space);

            //std::cout << "Frame data: " << frameData << std::endl;
            std::cout << "frameData to be sent: " << frameData << std::endl;
            HandleConnection(frameData);



            ////------- print to console -------
            //xnOSGetTimeStamp(&nNow);
            //nNow /= 1000;
            //std::cout << "-------------time: " << nNow << "---------------\n"
            //	<< "User " << aUsers[i] <<std::endl
            //	<< "	Head: " << head.position.X << " "
            //	<< head.position.Y << " " << head.position.Z
            //	<< head.fConfidence << std::endl;


#ifndef USE_GLES
            glEnd();
#endif
        }
    }
}
void Gestures::DrawDepthMap( const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd )
{
	static bool bInitialized = false;
	static GLuint depthTexID;
	static unsigned char* pDepthTexBuf;
	static int texWidth, texHeight;

	float topLeftX;
	float topLeftY;
	float bottomRightY;
	float bottomRightX;
	float texXpos;
	float texYpos;

	if( !bInitialized )
	{
		texWidth = getClosestPowerOfTwo( 1280 );
		texHeight = getClosestPowerOfTwo( dmd.YRes() );

		//		printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
		depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;

		//		printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
		bInitialized = true;

		topLeftX = dmd.XRes();
		topLeftY = 0;
		bottomRightY = dmd.YRes();
		bottomRightX = 0;
		texXpos =(float)dmd.XRes()/texWidth;
		texYpos  =(float)dmd.YRes()/texHeight;

		memset(m_texcoords, 0, 8*sizeof(float));
		m_texcoords[0] = texXpos, m_texcoords[1] = texYpos, m_texcoords[2] = texXpos, m_texcoords[7] = texYpos;

	}
	unsigned int nValue = 0;
	unsigned int nHistValue = 0;
	unsigned int nIndex = 0;
	unsigned int nX = 0;
	unsigned int nY = 0;
	unsigned int nNumberOfPoints = 0;
	XnUInt16 g_nXRes = dmd.XRes();
	XnUInt16 g_nYRes = dmd.YRes();

	unsigned char* pDestImage = pDepthTexBuf;

	const XnDepthPixel* pDepth = dmd.Data();
	const XnLabel* pLabels = smd.Data();

	//Calculate the accumulative histogram
	memset(m_pDepthHist, 0, MAX_DEPTH*sizeof(float));
	for (nY=0; nY<g_nYRes; nY++)
	{
		for (nX=0; nX<g_nXRes; nX++)
		{
			nValue = *pDepth;

			if (nValue != 0)
			{
				m_pDepthHist[nValue]++;
				nNumberOfPoints++;
			}

			pDepth++;
		}
	}

	for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
	{
		m_pDepthHist[nIndex] += m_pDepthHist[nIndex-1];
	}
	if (nNumberOfPoints)
	{
		for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
		{
			m_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (m_pDepthHist[nIndex] / nNumberOfPoints)));
		}
	}

	pDepth = dmd.Data();
	if (m_bDrawPixels)
	{
		XnUInt32 nIndex = 0;
		// Prepare the texture map
		for (nY=0; nY<g_nYRes; nY++)
		{
			for (nX=0; nX < g_nXRes; nX++, nIndex++)
			{

				pDestImage[0] = 0;
				pDestImage[1] = 0;
				pDestImage[2] = 0;
				if (m_bDrawBackground || *pLabels != 0)
				{
					nValue = *pDepth;
					XnLabel label = *pLabels;
					XnUInt32 nColorID = label % m_nColors;
					if (label == 0)
					{
						nColorID = m_nColors;
					}

					if (nValue != 0)
					{
						nHistValue = m_pDepthHist[nValue];

						pDestImage[0] = nHistValue * Colors[nColorID][0]; 
						pDestImage[1] = nHistValue * Colors[nColorID][1];
						pDestImage[2] = nHistValue * Colors[nColorID][2];
					}
				}

				pDepth++;
				pLabels++;
				pDestImage+=3;
			}

			pDestImage += (texWidth - g_nXRes) *3;
		}
	}
	else
	{
		xnOSMemSet(pDepthTexBuf, 0, 3*2*g_nXRes*g_nYRes);
	}

	glBindTexture(GL_TEXTURE_2D, depthTexID);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);

	// Display the OpenGL texture map
	glColor4f(0.75,0.75,0.75,1);

	glEnable(GL_TEXTURE_2D);
	DrawTexture(dmd.XRes(),dmd.YRes(),0,0);	
	glDisable(GL_TEXTURE_2D);


}