canvas.doc

QT 开发环境里面一个很重要的文件

/*!   \page canvas-example.html

  \ingroup examples
  \title Canvas Example

  This example shows a QCanvas and some \l{QCanvasItem}s in action.
  You can do a lot more with QCanvas than we show here, but the
  example provides a taste of what can be done.

  <hr>

  Header file:

  \include canvas/canvas.h

  <hr>

  Implementation:

  \include canvas/canvas.cpp

  <hr>

  Main:

  \include canvas/main.cpp
*/