OSG 添加快捷键(1)

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所属分类：GIS应用
  1. #include<osgViewer/Viewer>
  2. #include<osgDB/ReadFile>
  3. #include "../../ConsoleApplication1/ConsoleApplication1/Common.h"
  4. #include <osgGA/GUIEventAdapter>
  5. #include<osgViewer/ViewerEventHandlers>
  8. //#ifdef _DEBUG
  9. //#pragma comment(lib,"../Debug/Commond.lib")
  10. //#else
  11. //#pragma comment(lib,"../Release/Common.lib")
  12. //#endif // _DEBUG
  15. //模拟一个事件类
  16. class PrintName :public osgGA::GUIEventHandler
  17. {
  18. public:
  19.     //点击h之后弹出的字幕，告知用户使用快捷键k，触发某个功能
  20.     virtual void getUsage(osg::ApplicationUsage& usage) const
  21.     {
  22.         usage.addKeyboardMouseBinding("k", "call handler func");
  23.     }
  25.     //处理方法，返回true不向下传递；返回false向下传递
  26.     virtual bool handle(const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa)
  27.     {
  28.         //TODO 编写具体功能
  29.         return false;
  30.     }
  32.     //另外还有个设置快捷键的方法，表明按下此快捷键，则出发handler方法
  33. };
  36. int main(int argc, char *argv[])
  37. {
  38.     osg::ref_ptr<osgViewer::Viewer> viewer= new osgViewer::Viewer;
  39.     osg::ref_ptr<osg::Node> node = new osg::Node;
  41.     //读取模型
  42.     node = osgDB::readNodeFile("glider.osg");
  44.     //添加帮助事件
  45.     viewer->addEventHandler(new osgViewer::HelpHandler);//添加h快捷键，弹出快捷键功能说明字幕
  46.     viewer->addEventHandler(new osgViewer::ScreenCaptureHandler);//添加截屏快捷键 c
  47.     viewer->addEventHandler(new osgViewer::StatsHandler);//添加帧率显示快捷键 s
  48.     viewer->addEventHandler(new osgViewer::WindowSizeHandler);//添加窗口缩放快捷键 f
  49.     viewer->addEventHandler(new PrintName);//添加自定义快捷键 k
  51.     viewer->setSceneData(node.get());
  52.     return viewer->run();
  53. }

依赖库

  1. #pragma comment(lib,"osgd.lib")
  2. #pragma comment(lib,"osgDBd.lib")
  3. #pragma comment(lib,"osgViewerd.lib")
  4. #pragma comment(lib,"OpenThreadsd.lib")
  5. #pragma comment(lib,"osgGAd.lib")

 

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