代码实现bmp图像的各种现实效果，包括：向上、下、左、右扫描，垂直平分、水平平分扫描，向上、下、左、右、垂直平分、水平平分移动，垂直平分、水平平分交叉移动，垂直、水平栅格，垂直、水平百叶窗，马赛克，渐隐\渐显等功能。vc++数字图像处理不错的代码，值得一看！-Bmp image code various realistic effects, including: up, down, left and right scan, the vertical split, split level scan