// ----------------------------------------------------------------------
// color_conv.h
// 21.02.2005, Jens Ahrensfeld
// ----------------------------------------------------------------------
#ifndef	COLOR_CONV_H
#define	COLOR_CONV_H

#include "colortypes.h"

// ----------------------------------------------------------------------
#define	K_XYZ						1.0

#define	OBS_TYPE_2DEG				2
#define	OBS_TYPE_10DEG				10
#define	ILLU_TYPE_A					1
#define	ILLU_TYPE_C					2
#define	ILLU_TYPE_D50				3
#define	ILLU_TYPE_D55				4
#define	ILLU_TYPE_D65				5
#define	ILLU_TYPE_D75				6
#define	ILLU_TYPE_F2				7
#define	ILLU_TYPE_F7				8
#define	ILLU_TYPE_F11				9
#define	ILLU_TYPE_INCANDESCENT		10
#define	ILLU_TYPE_DAYLIGHT			11
#define	ILLU_TYPE_FLUORESCENT		12

// ----------------------------------------------------------------------
void rgb2hsv(color_vector_t *pRGB, color_vector_t *pHSV, int len);
void hsv2rgb(color_vector_t *pHSV, color_vector_t *pRGB, int len);
void rgb2hsl(color_vector_t *pRGB, color_vector_t *pHSL, int len);
void hsl2rgb(color_vector_t *pHSL, color_vector_t *pRGB, int len);
void rgb2xyz(double **ppRGB, double **ppXYZ, int len);
void xyz2rgb(double **ppXYZ, double **ppRGB, int len);
void xyz2lab(double **ppXYZ, double **ppLAB, double *pRef, int len);
void lab2xyz(double **ppLAB, double **ppXYZ, double *pRef, int len);
void rgb2rgb(double **ppSrc, double **ppDst, int len);
void tristimulus(double *pRef, unsigned illuminant_type, unsigned observer_type);

// ----------------------------------------------------------------------
#endif // COLOR_CONV_H