Code to convert an pgm image to matrix matlab

将image文件转为HEX码，输出一个自定义结构体的头文件，可用来转换yuv格式的点阵字库图片，获取yuv点阵字库的结构体，叠加到osd显示-The image file into HEX code and outputs a header file of the self-defined structure that can be used to convert yuv format dot-matrix font picture for yuv dot matrix character st