基于QT的电子画板的设计

摘要

电子画板以其方便性和快捷性越来越受到人们的青睐。基于Qt的电子画板是使用Qt编程开发的绘图软件，结合触摸屏的使用，构成的一款电子画板。它是一个能轻松完成手工绘图，并用计算机加工和修改的绘图帮手。除了能实现在计算机上进行任意线和规则图形的绘制，画笔加粗，颜色填充等简单制图功能外，还具有新建，图片编辑，保存功能。本文主要研究，Qt绘图软件图形界面的设计及编写，使用的操作系统为Linux，使用的Qt版本为Qt4。画板触摸屏采用四线电阻触摸屏。%Electronic drawing board get the favor of more and more people for its convenience and quick. Based on the QT electronic drawing board is a drawing software which use of QT programming, combined with the use of touch screen, constitutes a new electronic drawing board. It is a can easily finish manual drawing and computer processing and modified drawing helper. It can realize on simple drawing function which contain arbitrary line, fixed rules, graphic drawing, Brush overstriking and color filling in the computer, besides, it still have new, photo editing and save functions.The main subject of study, the Qt mapping software graphical interface design and the preparation of the operating system used for the Linux version of Qt Qt4. sketchpad touch screen using four wire resistance touch screen