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