include/root/TEveLine.h

0001 // @(#)root/eve:$Id$
0002 // Authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
0003
0004 /*************************************************************************
0005  * Copyright (C) 1995-2007, Rene Brun and Fons Rademakers.               *
0006  * All rights reserved.                                                  *
0007  *                                                                       *
0008  * For the licensing terms see $ROOTSYS/LICENSE.                         *
0009  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
0010  *************************************************************************/
0011
0012 #ifndef ROOT_TEveLine
0013 #define ROOT_TEveLine
0014
0015 #include "TEvePointSet.h"
0016 #include "TEveVector.h"
0017
0018 #include "TAttLine.h"
0019
0020 //------------------------------------------------------------------------------
0021 // TEveLine
0022 //------------------------------------------------------------------------------
0023
0024 class TEveLine : public TEvePointSet,
0025                  public TAttLine
0026 {
0027    friend class TEveLineEditor;
0028    friend class TEveLineGL;
0029
0030 private:
0031    TEveLine(const TEveLine&);            // Not implemented
0032    TEveLine& operator=(const TEveLine&); // Not implemented
0033
0034 protected:
0035    Bool_t  fRnrLine;
0036    Bool_t  fRnrPoints;
0037    Bool_t  fSmooth;
0038
0039    static Bool_t fgDefaultSmooth;
0040
0041 public:
0042    TEveLine(Int_t n_points=0, ETreeVarType_e tv_type=kTVT_XYZ);
0043    TEveLine(const char* name, Int_t n_points=0, ETreeVarType_e tv_type=kTVT_XYZ);
0044    ~TEveLine() override {}
0045
0046    void SetMarkerColor(Color_t col) override;
0047
0048    void SetLineColor(Color_t col) override   { SetMainColor(col); }
0049    void SetLineStyle(Style_t lstyle) override;
0050    void SetLineWidth(Width_t lwidth) override;
0051
0052    Bool_t GetRnrLine() const     { return fRnrLine;   }
0053    Bool_t GetRnrPoints() const   { return fRnrPoints; }
0054    Bool_t GetSmooth() const      { return fSmooth;    }
0055    void   SetRnrLine(Bool_t r);
0056    void   SetRnrPoints(Bool_t r);
0057    void   SetSmooth(Bool_t r);
0058
0059    void    ReduceSegmentLengths(Float_t max);
0060    Float_t CalculateLineLength() const;
0061
0062    TEveVector GetLineStart() const;
0063    TEveVector GetLineEnd()   const;
0064
0065    const TGPicture* GetListTreeIcon(Bool_t open=kFALSE) override;
0066
0067    void CopyVizParams(const TEveElement* el) override;
0068    void WriteVizParams(std::ostream& out, const TString& var) override;
0069
0070    TClass* ProjectedClass(const TEveProjection* p) const override;
0071
0072    static Bool_t GetDefaultSmooth();
0073    static void   SetDefaultSmooth(Bool_t r);
0074
0075    ClassDefOverride(TEveLine, 0); // An arbitrary polyline with fixed line and marker attributes.
0076 };
0077
0078
0079 //------------------------------------------------------------------------------
0080 // TEveLineProjected
0081 //------------------------------------------------------------------------------
0082
0083 class TEveLineProjected : public TEveLine,
0084                           public TEveProjected
0085 {
0086 private:
0087    TEveLineProjected(const TEveLineProjected&);            // Not implemented
0088    TEveLineProjected& operator=(const TEveLineProjected&); // Not implemented
0089
0090 protected:
0091    void SetDepthLocal(Float_t d) override;
0092
0093 public:
0094    TEveLineProjected();
0095    ~TEveLineProjected() override {}
0096
0097    void SetProjection(TEveProjectionManager* mng, TEveProjectable* model) override;
0098    void UpdateProjection() override;
0099    TEveElement* GetProjectedAsElement() override { return this; }
0100
0101    ClassDefOverride(TEveLineProjected, 0); // Projected replica of a TEveLine.
0102 };
0103
0104 #endif