69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
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#ifndef IFARP_H
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/*
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* Argyll Color Correction System
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*
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* Incremental far point class
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*
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* Author: Graeme W. Gill
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* Date: 6/11/2002
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*
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* Copyright 2002 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 _ifpnode {
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int fx; /* nz if point is fixed (existing) */
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double p[MXTD]; /* Device coordinate position */
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double v[MXTD]; /* Subjective value (Labnnn..) */
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unsigned int touch; /* nn: Per value touch count */
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}; typedef struct _ifpnode ifpnode;
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/* Main simplex latice object */
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struct _ifarp {
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/* private: */
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int di; /* Point dimensionality */
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double uilimit; /* (linearized) ink limit - limit on sum of p[] */
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int inp; /* Intended number of points in list */
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int np; /* Number of point nodes in list */
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ifpnode *nodes; /* Current array of nodes */
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int rix; /* Next read index */
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/* Perceptual function */
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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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/* nn support */
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ifpnode **sax[MXTD]; /* Sorted axis pointers, one for each direction */
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unsigned int tbase; /* Touch base value for this pass */
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unsigned int ttarget; /* Touch target value for this pass */
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/* public: */
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/* Initialise, ready to read out all the points */
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void (*reset)(struct _ifarp *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 _ifarp *s, double *d, double *p);
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/* Destroy ourselves */
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void (*del)(struct _ifarp *s);
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}; typedef struct _ifarp ifarp;
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/* Constructor */
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extern ifarp *new_ifarp(int verb, int di, double uilimit,
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int npoints, fxpos *fxlist, int fxno,
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void (*percept)(void *od, double *out, double *in), void *od
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);
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#define IFARP_H
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#endif /* IFARP_H */
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