一个实现多点触摸的程序 用QT做的-A procedure for multi-touch to do with QT

用Qt进行面向对象软件的设计与开发 Q t 是目前L inux 下比较流行的面向对象的C+ + 类库。介绍了Q t 类库结构和具体应用, 并结 合“九五”大工程项目LAMO ST 望远镜的GU I 的开发作进一步的说明。-Using Qt object-oriented software design and development of Q t is the L inux under the popular object-oriented C++ class library. Q t

The QWSGLWindowSurface class provides the drawing area for top-level windows with Qt for Embedded Linux on EGL/OpenGL ES. It also provides the drawing area for \l{QGLWidget}s whether they are top-level windows or children of another QWidget for Linux

在qt的环境下写的一个可以实现数学中加法和圆面积运算(In the QT environment to write a can achieve mathematical addition and circle area calculation)