具备一般画图软件所没有的画图功能。方便的文字输入功能并且可以设置字体和文本的颜色、多步的撤销重做功能、从BASE64编码存取图片。希望对需要的朋友有所帮助。-Have generally not drawing software drawing functions. Convenient text input function and can set the font and text color, multi-step withdrawal of redo functionality, acc