能够根据输入的字符转换成PDF417格式的图像，并且能另存为bmp图片,According to the input characters can be converted into PDF417 format images, and can save as a bmp image

PDF417条码定位与检测，视频课程作业，很好的定位了条码而且将其旋转到正方向-PDF417 bar code location and detection, video course work, a good positioning of the bar code and will rotate to the positive direction of its