library: libRGL
#include "TGLUtil.h"

TGLRect

class description - header file - source file - inheritance tree (.pdf)

class TGLRect

Inheritance Chart:

TGLRect


    public:

                      TGLRect()
                      TGLRect(Int_t x, Int_t y, UInt_t width, UInt_t height)
                      TGLRect(const TGLRect&)
              virtual ~TGLRect()
             Double_t Aspect() const
                Int_t Bottom() const
                Int_t CenterX() const
                Int_t CenterY() const
       static TClass* Class()
               UInt_t Diagonal() const
                 void Expand(Int_t x, Int_t y)
               UInt_t Height() const
              UInt_t& Height()
      virtual TClass* IsA() const
                Int_t Left() const
               UInt_t Longest() const
                 void Offset(Int_t dX, Int_t dY)
             TGLRect& operator=(const TGLRect&)
             EOverlap Overlap(const TGLRect& other) const
                Int_t Right() const
                 void Set(Int_t x, Int_t y, UInt_t width, UInt_t height)
                 void SetCorner(Int_t x, Int_t y)
         virtual void ShowMembers(TMemberInspector& insp, char* parent)
         virtual void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)
                Int_t Top() const
               UInt_t Width() const
              UInt_t& Width()
                Int_t X() const
               Int_t& X()
                Int_t Y() const
               Int_t& Y()

Data Members

    private:

       Int_t fX       
       Int_t fY       ! Corner
      UInt_t fWidth   
      UInt_t fHeight  ! Positive width/height

Class Description

                                                                      
 TGLVertex3                                                           
                                                                      
 3 component (x/y/z) vertex class                                     
                                                                      
 This is part of collection of simple utility classes for GL only in  
 TGLUtil.h/cxx. These provide const and non-const accessors Arr() &   
 CArr() to a GL compatible internal field - so can be used directly   
 with OpenGL C API calls - which TVector3 etc cannot (easily).        
 They are not intended to be fully featured just provide minimum      
 required.

TGLRect()

 Construct empty rect object, corner (0,0), width/height 0

TGLRect(Int_t x, Int_t y, UInt_t width, UInt_t height)

 Construct rect object, corner (x,y), dimensions 'width', 'height'

~TGLRect()

 Destroy rect object

EOverlap Overlap(const TGLRect & other)

 Return overlap result (kInside, kOutside, kPartial) of this
 rect with 'other'

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void Set(Double_t x, Double_t y, Double_t z)

Double_t X()

Double_t & X()

Double_t Y()

Double_t & Y()

TGLRect()

void SetCorner(Int_t x, Int_t y)

void Offset(Int_t dX, Int_t dY)

void Expand(Int_t x, Int_t y)

UInt_t Width()

UInt_t & Width()

UInt_t Height()

UInt_t & Height()

Int_t CenterX()

Int_t CenterY()

Int_t Left()

Int_t Right()

Int_t Top()

Int_t Bottom()

UInt_t Diagonal()

UInt_t Longest()

Double_t Aspect()

Author: Richard Maunder 25/05/2005
Last update: root/gl:$Name: $:$Id: TGLUtil.cxx,v 1.27 2006/06/13 15:43:39 couet Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *

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