library: libRGL
#include "TGLUtil.h"

TGLSelectionBuffer

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

class TGLSelectionBuffer

Inheritance Inherited Members Includes Libraries

Function Members (Methods)

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public:

	TGLSelectionBuffer()
virtual	~TGLSelectionBuffer()
static TClass*	Class()
const UChar_t*	GetPixelColor(Int_t px, Int_t py) const
virtual TClass*	IsA() const
void	ReadColorBuffer(Int_t width, Int_t height)
virtual void	ShowMembers(TMemberInspector& insp, char* parent)
virtual void	Streamer(TBuffer& b)
void	StreamerNVirtual(TBuffer& b)

private:

	TGLSelectionBuffer(const TGLSelectionBuffer&)
TGLSelectionBuffer&	operator=(const TGLSelectionBuffer&)

Data Members

private:

vector<UChar_t>	fBuffer
Int_t	fWidth
Int_t	fHeight

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.

TGLSelectionBuffer()

 TGLSelectionBuffer constructor.

~TGLSelectionBuffer()

 TGLSelectionBuffer destructor.

void ReadColorBuffer(Int_t w, Int_t h)

 Read color buffer.

const UChar_t * GetPixelColor(Int_t px, Int_t py)

 Get pixel color.

TGLUtil& operator=(const TGLUtil& glu)

TGLSelectionBuffer()

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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