24位彩色，附带测试图片，初学者可自行设计CDib类。-24-bit color, with the test pictures, beginners can design their own category CDib.

CDib类，可以读取bmp图像并支持对他进行各种图像处理，能获取图像的各种信息，支持8位及24位位图-CDib class, you can read bmp image and support for various image processing, image can get a variety of information, support for 8-bit and 24-bit bitmap

VC6.0 不使用CDIB类打开图像保存图像。并对24位转8位，大津阈值二值化处理，伪彩图-Core is good