for(k=i-(int)(lpKernel->Dimention/2);k<i+(int)(lpKernel->Dimention/2)+1;k++)
   {
    for(l=j-(int)(lpKernel->Dimention/2);l<j+(int)(lpKernel->Dimention/2)+1;l++)
    {
     if(k>=0 && l>=0 && k<lWidth && l<lHeight)
     {
      TR=*((unsigned char*)lpDIBBits+l*lLineBytes+k*3);
      R+=lpKernel->Element[k-i+(int)(lpKernel->Dimention/2)][l-j+(int)(lpKernel->Dimention/2)]*TR;
      TG=*((unsigned char*)lpDIBBits+l*lLineBytes+k*3+1);
      G+=lpKernel->Element[k-i+(int)(lpKernel->Dimention/2)][l-j+(int)(lpKernel->Dimention/2)]*TG;
      TB=*((unsigned char*)lpDIBBits+l*lLineBytes+k*3+2);
      B+=lpKernel->Element[k-i+(int)(lpKernel->Dimention/2)][l-j+(int)(lpKernel->Dimention/2)]*TB;

完全不知道TR，R，TG。。。这些变量干嘛的，知道是一个高斯模板，但不知道为什么算法是这样，都不知道什么意思