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/* 文件名：lib.h*/
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#ifndef XJ_OSG_VIEW_H
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#define XJ_OSG_VIEW_H
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#include "XJObject.h"
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#include "XJPoint2D.h"
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#include "ViewExport.h"
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#include "ViewCommon.h"
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#include "OSGDef.h"
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#include <string>
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#include <vector>
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#include <map>
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class CRenderingThread;
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class CXJPlane;
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class CXJ2DLine;
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class CXJ2DGeomCircle;
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struct pickPoint2D;
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struct pickPoint3D;
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typedef unsigned int UINT;
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////////////////////////////////////////////////////////////////////////////////////////////////
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//选择模式
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enum eOsgPickMode
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{
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OSG_PICK_OBJECT = 0, //选择对象
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OSG_PICK_POINT = 1 //选择点
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};
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class XJOSGVIEWEXPORT CXJOSGView
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{
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public:
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CXJOSGView(void* hWnd, int index);
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virtual ~CXJOSGView();
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//初始化场景视图
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void InitOSG(const std::string& bkgFile);
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//开启渲染线程
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void StartRenderingThread();
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//前序更新
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void PreFrameUpdate();
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//后续更新
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void PostFrameUpdate();
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//申请场景的重绘
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void RequestRedraw();
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//设置渲染的最大帧数
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void SetRunMaxFrameRate(double frameRate) {m_runMaxFrameRate = frameRate;}
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double GetRunMaxFrameRate() {return m_runMaxFrameRate;}
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//释放场景视图内存
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int TerminateOSG();
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//渲染视图
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static void Render(void* ptr);
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//根据传入的对象指针，来创建并更新视图对象，默认为更新对象的所有属性
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int UpdateObjectView(CXJObject* obj, EOSGUpdateType updateType = UPDATE_ALL);
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//添加UI模块中的操作事件， 都是派生自CXJMouseOperator类
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void ActivateEventOperator(void* pEventOp);
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void DeactiveEventOperator();
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//显示文字轮廓
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int UpdatePolyLineOnScreen(std::vector<std::vector<Point3D>>& polyline, Point3D curPoint);
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//擦出文字轮廓
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void ClearPolyLineOnScreen();
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//设置投影视图（左、右视图等三视图）
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void SetProjView(XJViewType viewType);
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//设置投影视图（不缩放视图）
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void SetProjViewNoZoom(XJViewType viewType);
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//自适应视图
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void ZoomView();
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//移动视图
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void SetViewPos(double px, double py, double scale);
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//获取视图位置
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void GetViewPos(Point2D& pt, double& scale);
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//设置相机投影方式（正交投影，或者透视投影）
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void StartOrthoProjection();
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void StartPerspectProjection();
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//获得选中对象的omkey容器
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const std::vector<int>& GetSelOmKeyList();
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/*******拾取视图对象接口*******/
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//选中的对象的个数
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int NbSelected();
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//返回选中的对象的omkey
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int SelectedObjOmKey(int index);
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//返回拾取得到的网格交点,如果拾取成功，返回值为true
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int PickedPoint(Point3D& interPt);
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int PickedPoint(Point3D& interPt, Point3D& interNormal);
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int PickedDir(Point3D& dir);
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int PickedPoint2D(pickPoint2D& pp);
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int PickedPoint3D(pickPoint3D& pp);
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/****拾取视图对象操作*****/
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//选择视图中的对象，默认形参为高亮
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//返回值为对象的OMKey
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int PickObject(int x, int y, bool hightlight = true, bool reverseY = false);
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int PickedObject();
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//点orgPoint被拖动到屏幕(corX,corY)坐标时的空间坐标
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void DragPoint(const Point3D& orgPoint, int corX, int corY, Point3D& pt);
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//拾取2维平面上的点
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int Pick2DPoint(int x, int y, Point3D& pnt);
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//设置视图对象拾取模式
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void SetPickMode(int pickModel);
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//根据拾取获得的osgKey来获得对于的对象的omkey
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int GetOmKeyByOsgKey(int osgKey);
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/**************在OSG视图上显示模型*****************************************/
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//在屏幕上绘制多段线，不受相机操作器的旋转变化
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int DrawPolylineOnWindow(std::vector<Point3D>& polyline);
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int DrawPolylineOnMFCWindow(std::vector<Point3D>& polyline, int state=0);
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//清除屏幕上绘制的多段线
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int ClearPolylineOnWindow();
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//在场景中绘制多段线，受相机操作器的旋转变化
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int DrawPolylineOnSceneGraph(std::vector<Point3D>& polyline);
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int ClearPolylineOnSceneGraph();
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//在屏幕上绘制圆，指定圆心位置和半径，不受相机操作器的旋转变化
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int DrawCircleOnWindow(int x, int y, float circleRad = 1.0);
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//清除屏幕上绘制的圆
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int ClearCircleOnWindow();
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/***************在OSG视图上显示模型****************************************/
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/****视图操作器功能接口****/
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//判断osg是否拥有操作器事件
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bool HasOperatorHandler();
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//去处所有的操作事件
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void OnNoSelectEvent();
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//取消动态拾取对象的高亮加粗显示
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void UnlightDynamicDetectedObject();
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//使用相机平移操作器
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void OnCameraPan();
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//使用相机旋转操作器
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void OnCameraOrbit();
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//使用轨迹球操作器
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void OnCameraTrackball();
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//使用持续旋转轨迹球操作器
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void OnCameraContinuousOrbit();
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//使用固定轴来进行旋转
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void OnCameraVerticalAxisOrbit();
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//清空显示的标记
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void ClearMarkUp();
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//高亮对象
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void HilightObject(int omkey);
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void UnHilightObject(int omkey);
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//选中指定key的显示对象，将其高亮
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int SelectObject(int omkey);
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//不高亮显示选择列表中的对象
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void DeSelectSelList();
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//将选中列表中的所有对象设为隐藏
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void InvisibleSelList(bool visible);
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//将选中列表中的所有对象设为透明
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void TransparentSelList(bool transparent);
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//将选中列表中的所有对象设为线框显示
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void WireframeSelList(bool wireframe);
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void SetPolygonOffsets(CXJObject* pobj, float aFactor, float aUnits);
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//设置操作器是否可用
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void SetViewManipulatorEnable(bool enable);
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/*******模型拖动操作器*******/
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//对象三维拖动器
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void TranslateAxisDragger(CXJObject *obj);
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//对象一维方向拖动器
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void TranslateDirDragger(std::vector<CXJObject*> objList, Point3D dir);
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//对象一维方向拖动并旋转
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void TranslateDirAndRotateDragger(std::vector<CXJObject*> objList, Point3D dir);
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//对象固定方向旋转拖动器
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void RotateDirDragger( CXJObject *obj,Point3D dir );
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void SetTranslationDraggerStep(double step);
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//对象的轨迹球拖动器
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void TrackBallDragger(CXJObject *obj);
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void SetRotationDraggerStep(double step);
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//对象的屏幕方向的拖动
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void Translate2DDragger(CXJObject *obj);
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//对象的屏幕方向的旋转
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void TrackBall2DDragger(CXJObject* obj);
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//对象按照给定坐标系方向来拖动
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void TranslateLocalCordDragger(CXJObject* obj, const Point3D& localCorX, const Point3D& localCorY, const Point3D& localCorZ);
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//对象按照给定坐标系方向来旋转
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void TrackBallLocalCordDragger(CXJObject* obj, const Point3D& localCorX, const Point3D& localCorY, const Point3D& localCorZ);
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void TransformObjectOnce(CXJObject* obj, Point3D originPt, Point3D oriVec, Point3D destVec);
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//清除拖动操作器
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void ClearDraggerObject();
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//判断视图中是否已经存在拖动器
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bool IsExistDragger();
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//根据给定的参数来移动显示对象
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void TranslateObject(CXJObject *obj, float x, float y, float z );
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//根据给定的参数来旋转显示对象
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void RotateObject(CXJObject* obj, Point3D basePt,Point3D dir,float angle);
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//重设对象的显示位置
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void ResetObjectViewPos(CXJObject* obj);
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//获得显示对象拖动量
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void GetObjectTranslation(CXJObject *obj, float &x, float &y, float &z);
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void GetObjectRotation(CXJObject *obj, float &x, float &y, float &z,float &ang);
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//获取屏幕上任一点在近平面上位置，及屏幕长度对应近平面上长度
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void TranslatePointW2NP(Point3D& p, double& r);
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void TranslatePointW2NFP(Point3D& p, Point3D& N, Point3D& F);
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//将法矢转化为旋转轴和角度值
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void ConvertDirToAngleAxis(const Point3D& dir, Point3D& rotAxis, double& angle);
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bool MakeRotationByAxes(const Point3D& xdir, const Point3D& ydir, const Point3D& zdir,
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Point3D& rotateAxis, double& angle, const char* priorityOrder = "ZXY");
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//删除临时创建的多个偏移平面
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void DeleteTempOffsetPlane();
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void DeleteTempPattern2D();
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/***********创建临时显示对象*************/
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//显示选择的高亮点
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void ShowSelPt(Point3D &pt);
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//清除选中的高亮点
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void ClearSelPt();
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//创建样条线的临时显示点对象
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int CreateTempObject(CXJObject* obj);
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//清空样条线上的高亮插值点
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int DeleteTempObject();
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void DeleteTempObject(const CXJObject* pobj);
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//显示点集
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void ShowPointSet(const vector<Point3D>& pts);
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//清空点集
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void ClearPointSet();
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//显示直线集
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void ShowLineSet(const vector<Point3D>& pts);
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//清除直线集
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void ClearLineSet();
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//将空间点转化为屏幕上的坐标点
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void ProjectObjectToWindow(const Point3D& pt, int& x, int& y );
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/*****************相机操作****************************/
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//获得相机的位置，目标点位置和相机朝向
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void GetCameraLookAt(Point3D& eye, Point3D& target, Point3D& up) const;
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//获得相机朝向和向上方向
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void GetCameraLookAt(Point3D& CameraNormal,Point3D& CameraUp) const;
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Point3D GetCameraNormal() const;
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Point3D GetCameraUp() const ;
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//设置相机的位置，目标点位置和相机朝向
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void SetCameraLookAt(Point3D a_normal,Point3D a_up);
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void SetCameraLookAt(const Point3D& eye, const Point3D& target, const Point3D& up);
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//设置背景图片的存储路径
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void SetBackGroudBmpPath(const std::string& path);
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void SetBackGroudColor(int r, int g, int b, float a);
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//使用osg来获得平面与网格的交点
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int GetPlaneMeshIntersection(CXJObject* pobj, double plnDir[3],double plnPoint[3], std::vector<std::vector<Point3D>>& pnts,int& PolygonNum );
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//删除所有的osg对象
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void DeleteAllOSGObjects();
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//设置分割后的模型显示在前端
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void setModelShowInFront(CXJObject* pobj);
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//设置视图三个角上的Text， displayPos为显示文字位置,alignment表示文字对齐方式
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void setHUDText(wchar_t* str, HUDTextWinPos displayPos = WINDOW_LEFT_TOP_POS, AlignmentType alighment = BASE_LINE_ALIGNMENT);
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//设置text的属性值，包括大小，颜色，字体等
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void setHUDTextProperties(float textSize, COLORREF textColor, std::string& font);
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//获得直线与显示对象的交点
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int GetIntersectPt(CXJObject* pobj, const Point3D& start, Point3D& lineDir, Point3D& intersectPt);
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//用于自定义图片来设置视图背景
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bool setPictureOnBackGround(const std::string& picPath);
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//设置默认背景图片
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void setDefaultBackGround();
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//进行osg中的事件操作
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void runEventHandle();
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void* GetOSGInternal();
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void DrawImage(std::string path);
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void TakeObjectPicture(const std::vector<CXJObject*>& objList, std::string path,
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Point3D eye,
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Point3D dir,
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Point3D up,
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double rad,
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int w=500, int h=500);
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void EnablePickZValue(CXJObject* pobj, bool bEnable = true);
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void EnableOpDrawPolygon(bool bEnable = true);
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void GetOpDrawPolygon(std::vector<Point2D>& polygen);
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void EnableAntiAliasing(bool bEnable);
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//显示联动鼠标
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void ShowMouse(int px, int py);
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void GetMousePos(int& px, int& py);
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private:
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void * m_osgInternal;
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void * m_hWnd;
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int m_osgIndex;
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double m_runMaxFrameRate;
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CRenderingThread* m_ThreadHandle;
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};
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#endif |