ACG::ColorTranslator Class Reference

#include <OpenFlipper/libs_required/ACG/GL/ColorTranslator.hh>

Public Member Functions
	ColorTranslator ()
	Default constructor.
	~ColorTranslator ()
	Destructor.
void	initialize (ACG::GLState *)
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 75 of file ColorTranslator.hh.

Member Function Documentation

initialize()

void ACG::ColorTranslator::initialize

(

ACG::GLState *

_state

)

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 69 of file ColorTranslator.cc.

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

• OpenFlipper/libs_required/ACG/GL/ColorTranslator.hh
• OpenFlipper/libs_required/ACG/GL/ColorTranslator.cc