vc++开发的位图处理程序，可将彩色图转为灰色图，课进行灰度比例化，灰度线性化、灰度线性截断、灰度取反等操作-vc++ Development bitmap processing, can be color map into gray map, the proportion of lessons were gray, gray linearization, linear cut gray, gray-scale operations such as taking anti-