A print program. Support a lot of the Fonts, align type(right,left,center,fill),...

代码说明：

改进版的打印程序。支持多种字体、对齐方式（左、右、居中、全充满）、左缩进、右缩进，此外，用户还可以调整显示百分比、宽度或页面选项、打印当前页、全部或所选范围等等。-A print program. Support a lot of the Fonts, align type(right,left,center,fill),left indent,right indent, and zoomin/zoomout, width, paper config, print current page/all the pages/ringe of the page.