将保存在文本文件中像素值（灰度值），转换成图像。采用QT开发，在vs2008下编译通过。-Will be saved in a text file in the pixel value (gray value), converted into images. Use of QT development, compiled by the vs2008.

能够实现最简单的功能，将一个txt中的文本读取出来，存储成jpg格式，适用与嵌入式系统中串口输出的局限性，可以及时转换-To achieve the most simple functions, the text will read a txt out of storage into a jpg format, suitable for embedded systems and the limitations of the serial output can be converted in ti