把文字信息转换为30*30点阵图形,默认保存到D:\1.txt,源码中包含位图转置/行列变换程序,用来适应led显示板的电路,修改程序代码可以让生成出来的位图文件适合自己的led电子广告牌-The text message is converted to 30* 30 bitmap graphics, the default save to D: \ 1.txt, the source code contains the bitmap transpose/ranks of the transformation process, led display board used to adapt the circuit, can modify the code generated from bitmap file for their own electronic billboards led