#include <ACG/GL/ColorTranslator.hh>

Public Member Functions
	ColorTranslator ()
	Default constructor.

	~ColorTranslator ()
	Destructor.

void	initialize ()

bool	initialized () const
	has it been initialized?

Vec4uc	index2color (const size_t _idx) const
	index -> color (one buffer)

size_t	color2index (const Vec4uc _rgba) const
	color -> index (one buffer)

size_t	max_index () const
	returns maximal convertible index

Private Attributes
bool	initialized_

GLint	red_bits_

GLint	green_bits_

GLint	blue_bits_

GLint	alpha_bits_

GLuint	red_mask_

GLuint	green_mask_

GLuint	blue_mask_

GLuint	alpha_mask_

GLuint	red_shift_

GLuint	green_shift_

GLuint	blue_shift_

GLuint	alpha_shift_

GLuint	red_round_

GLuint	green_round_

GLuint	blue_round_

GLuint	alpha_round_

Detailed Description

This class can be used to translate colors to integers. Use this e.g. for color index picking, i.e. drawing objects using a color corresponding to an unique index.

Definition at line 82 of file ColorTranslator.hh.

Member Function Documentation

void ACG::ColorTranslator::initialize ( )

init (takes current GL context to get the component sizes) Can't use constructor as we might not have a context at this point.

Definition at line 78 of file ColorTranslator.cc.

The documentation for this class was generated from the following files:

ACG/GL/ColorTranslator.hh
ACG/GL/ColorTranslator.cc

Public Member Functions

Private Attributes

Detailed Description

Member Function Documentation