library: libRGL
#include "TGLUtil.h"

TGLRect

class description - header file - source file
viewCVS header - viewCVS source

class TGLRect

Inheritance Inherited Members Includes Libraries

Function Members (Methods)

Display options:

public:

	TGLRect()
	TGLRect(const TGLRect&)
	TGLRect(Int_t x, Int_t y, UInt_t width, UInt_t height)
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'

void Set(Int_t x, Int_t y, UInt_t width, UInt_t height)

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void SetCorner(Int_t x, Int_t y)

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void Offset(Int_t dX, Int_t dY)

______________________________________________________________________________

void Expand(Int_t x, Int_t y)

______________________________________________________________________________
 Expand the rect to encompass point (x,y)

UInt_t Diagonal()

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UInt_t Longest()

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Double_t Aspect()

______________________________________________________________________________
 Return aspect ratio (width/height)

Double_t X()

{ return fVals[0]; }

Double_t & X()

{ return fVals[0]; }

Double_t Y()

{ return fVals[1]; }

Double_t & Y()

{ return fVals[1]; }

TGLRect()

UInt_t Width()

{ return fWidth; }

UInt_t & Width()

{ return fWidth; }

UInt_t Height()

{ return fHeight; }

UInt_t & Height()

{ return fHeight; }

Int_t CenterX()

{ return fX + fWidth/2; }

Int_t CenterY()

{ return fY + fHeight/2; }

Int_t Left()

{ return fX; }

Int_t Right()

{ return fX + fWidth; }

Int_t Top()

{ return fY; }

Int_t Bottom()

{ return fY + fHeight; }

TGLUtil& operator=(const TGLUtil& glu)

Author: Richard Maunder 25/05/2005
Last update: root/gl:$Name: $:$Id: TGLUtil.cxx,v 1.33 2006/12/13 09:33:29 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *

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