/*************************************************************************
   LoadData:加载数据，（一般都是在训练时会用到）
   输入：
   const string &strFile：文件名（带路径的）
   输出：
   vector<string> &_vsImageFilenames：图片名称（带路径，保证能找到哦）
   vector< vector<Rect> > &_vvRect：矩形区域大小
   备注：（文件中一行的格式）
  文件名称          矩形区域个数     x      y       width    height    x      y       width    height

  data/1.bmp              2                 10   20        100      120     50   60        100      120

   **************************************************************************/

void CommonFun::LoadData(const string &strFile, vector<string> &_vsImageFilenames, vector< vector<Rect> > &_vvRect)

{
    ifstream f;
    f.open(strFile.c_str());
   
    string s, str;
    int nIndex = 0;
    Rect r;
    int nIndexRect = 0;
    while(!f.eof())
    {     
        getline(f,s);       
        if(!s.empty())
        {  
            //printf("s=%s\n", s.c_str());
            stringstream ss(str);
            ss << s;
            vector<Rect> vRect;
            nIndex = 0;
            nIndexRect = 0;
            while(getline(ss, str, ' '))
            {
                //printf("str=%s\n", str.c_str());
                if (0 == nIndex)
                {
                   _vsImageFilenames.push_back(str);
                }
                else if (1 == nIndex)
                {
                   //检测框的个数
                }
                else if (2 == nIndex%4)
                {
                   r.x = atoi(str.c_str());
                   nIndexRect++;              
                }
                else if (3 == nIndex%4)
                {
                   r.y = atoi(str.c_str());
                   nIndexRect++;              
                }
                else if (0 == nIndex%4)
                {
                   r.width = atoi(str.c_str());
                   nIndexRect++;              
                }
                else if (1 == nIndex%4)
                {
                   r.height = atoi(str.c_str());
                   nIndexRect++;   
                   if (4 == nIndexRect)
                   {                
                      nIndexRect = 0; 
                      vRect.push_back(r);          
                   }         
                }
                nIndex++;
             } //while(getline(ss, str, ' '))

             _vvRect.push_back(vRect);
        }//if(!s.empty())
    }//while(!f.eof())
   
#if 0
    for (int i=0; i<_vsImageFilenames.size(); i++)  
    {
       printf("index=%d, name=%s\n", i+1, _vsImageFilenames[i].c_str());
    }

    for (int i=0; i<_vvRect.size(); i++)  
    {
        for (int j=0; j<_vvRect[i].size(); j++)  
        {  
           r = _vvRect[i][j];
           printf("index=%d, rect index=%d, (%d,%d,%d,%d)\n", i+1, j+1, r.x, r.y, r.width, r.height);
        }        
    }
#endif
}