Method DrawLabels

Samples/NiUserSelection/SceneDrawer.cpp:167–220

#define MAX_USER_LABEL_LEN 50
#define MAX_ID_LABEL_LEN 120
void SceneDrawer::DrawLabels(XnUserID nUserId)
{
#ifndef USE_GLES
    char strUserLabel[MAX_USER_LABEL_LEN] = "";
    char strOutputLabel[MAX_ID_LABEL_LEN] = "";
    XnFloat color[3];

    XnPoint3D com;
    xnOSMemSet(strOutputLabel, 0, sizeof(strOutputLabel));
    XnStatus res=m_pUserTrackerObj->GetUserColor(nUserId,color);
    XnFloat userExitPose=m_pUserTrackerObj->GetExitPoseState(nUserId)*100.0f;
    if(res!=XN_STATUS_OK)
        return; // bad user!
    xnOSMemSet(strUserLabel, 0, sizeof(strUserLabel));
    res=m_pUserTrackerObj->GetUserStringPos(nUserId,com,strUserLabel,MAX_USER_LABEL_LEN-1);
    if(res!=XN_STATUS_OK)
        return; // bad user!

    if (!g_bPrintState)
    {
        if(userExitPose>0)
        {
            sprintf(strOutputLabel, "%d - Exit wait %3.0f%% done.", nUserId,userExitPose);
        }
        else
        {
            sprintf(strOutputLabel, "%d", nUserId);
        }
        
    }
    else 
    {
        if(userExitPose>0)
        {
            sprintf(strOutputLabel, "%d - %s - Exit wait %3.0f%% done.", nUserId,strUserLabel,userExitPose);
        }
        else
        {
            sprintf(strOutputLabel, "%d - %s", nUserId,strUserLabel);
        }
        
    }

    glColor4f(1-color[0], 1-color[1], 1-color[2], 1);

    glRasterPos2i(com.X, com.Y);
    int len = (int)strlen(strOutputLabel);

    for(int c=0; c<len; c++)
    {
        glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,strOutputLabel[c]);
    }
#endif
}


#define drawOneLine(x1,y1,x2,y2)  \