include/root/TEveShape.h

0001 // @(#)root/eve:$Id$
0002 // Author: Matevz Tadel, 2010
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_TEveShape
0013 #define ROOT_TEveShape
0014
0015 #include "TEveElement.h"
0016 #include "TEveVector.h"
0017
0018 #include "TAtt3D.h"
0019 #include "TAttBBox.h"
0020 #include "TColor.h"
0021 #include <vector>
0022
0023 class TEveShape : public TEveElementList,
0024                   public TAtt3D,
0025                   public TAttBBox
0026 {
0027    friend class TEveShapeEditor;
0028
0029 private:
0030    TEveShape(const TEveShape&) = delete;
0031    TEveShape& operator=(const TEveShape&) = delete;
0032
0033 public:
0034    typedef std::vector<TEveVector2>           vVector2_t;
0035    typedef std::vector<TEveVector2>::iterator vVector2_i;
0036
0037 protected:
0038    Color_t      fFillColor; // fill color of polygons
0039    Color_t      fLineColor; // outline color of polygons
0040    Float_t      fLineWidth; // outline width of polygons
0041
0042    Bool_t       fDrawFrame;      // draw frame
0043    Bool_t       fHighlightFrame; // highlight frame / all shape
0044    Bool_t       fMiniFrame;      // draw minimal frame
0045
0046 public:
0047    TEveShape(const char* n="TEveShape", const char* t="");
0048    ~TEveShape() override;
0049
0050    // Rendering parameters.
0051    void    SetMainColor(Color_t color) override;
0052
0053    virtual Color_t GetFillColor() const { return fFillColor; }
0054    virtual Color_t GetLineColor() const { return fLineColor; }
0055    virtual Float_t GetLineWidth() const { return fLineWidth;}
0056    virtual Bool_t  GetDrawFrame()      const { return fDrawFrame; }
0057    virtual Bool_t  GetHighlightFrame() const { return fHighlightFrame; }
0058    virtual Bool_t  GetMiniFrame()      const { return fMiniFrame; }
0059
0060    virtual void    SetFillColor(Color_t c)  { fFillColor = c; }
0061    virtual void    SetLineColor(Color_t c)  { fLineColor = c; }
0062    virtual void    SetLineWidth(Float_t lw) { fLineWidth = lw;}
0063    virtual void    SetDrawFrame(Bool_t f)      { fDrawFrame = f; }
0064    virtual void    SetHighlightFrame(Bool_t f) { fHighlightFrame = f; }
0065    virtual void    SetMiniFrame(Bool_t r)      { fMiniFrame = r; }
0066
0067    // ----------------------------------------------------------------
0068
0069    void CopyVizParams(const TEveElement* el) override;
0070    void WriteVizParams(std::ostream& out, const TString& var) override;
0071
0072    // ----------------------------------------------------------------
0073
0074    // Virtual from TObject
0075    void Paint(Option_t* option="") override;
0076
0077    // Abstract function from TAttBBox:
0078    // virtual void ComputeBBox();
0079
0080    // Abstract from TEveProjectable, overriden in TEveElementList:
0081    // virtual TClass* ProjectedClass(const TEveProjection* p) const;
0082
0083    // ----------------------------------------------------------------
0084
0085    static Int_t  FindConvexHull(const vVector2_t& pin, vVector2_t& pout, TEveElement* caller=nullptr);
0086
0087    static Bool_t IsBoxOrientationConsistentEv(const TEveVector box[8]);
0088    static Bool_t IsBoxOrientationConsistentFv(const Float_t    box[8][3]);
0089
0090    static void   CheckAndFixBoxOrientationEv(TEveVector box[8]);
0091    static void   CheckAndFixBoxOrientationFv(Float_t    box[8][3]);
0092
0093    ClassDefOverride(TEveShape, 0); // Abstract base-class for 2D/3D shapes.
0094 };
0095
0096 #endif