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#ifndef PRAND_H
/*
* Argyll Color Correction System
*
* Perceptual space random test point class
*
* Author: Graeme W. Gill
* Date: 12/9/2004
*
* Copyright 2004 Graeme W. Gill
* All rights reserved.
*
* This material is licenced under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3 :-
* see the License.txt file for licencing details.
*/
/* A sample point node */
struct _prnode {
int fx; /* nz if point is fixed */
double p[MXTD]; /* Device coordinate position */
double v[MXTD]; /* Subjective value (Labk) */
}; typedef struct _prnode prnode;
/* Main object */
struct _prand {
/* private: */
int di; /* Point dimensionality */
double ilimit; /* Ink limit - limit on sum of p[] */
int fnp; /* Number of existing fixed points in list */
int tinp; /* target number of total points in list, including fixed points */
int np; /* Number of points currently in list */
prnode *n; /* tinp list of points */
/* Perceptual function handed in */
void (*percept)(void *od, double *out, double *in);
void *od; /* Opaque data for perceptual point */
/* Unbounded perceptual model */
double *pmod;
int pmod_init; /* It's been initialised */
/* Other info */
int rix; /* Next read index */
/* public: */
/* Initialise, ready to read out all the points */
void (*reset)(struct _prand *s);
/* Read the next set of non-fixed points values */
/* return non-zero when no more points */
int (*read)(struct _prand *s, double *d, double *p);
/* Destroy ourselves */
void (*del)(struct _prand *s);
}; typedef struct _prand prand;
/* Constructor */
extern prand *new_prand(int di, double ilimit, int npoints,
fxpos *fxlist, int fxno, int quasi,
void (*percept)(void *od, double *out, double *in), void *od);
#define PRAND_H
#endif /* PRAND_H */
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