指纹BMP图像查看器，特点是可以按相同的当前放缩率和左上角位置查看多枚指纹图象，方便于观察指纹图像处理前后的局部变化等。-Fingerprint BMP image viewer, can be characterized by the same current zoom rate and position the upper left corner to view more than fingerprint images, to facilitate observation of the fi