54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
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/* Reference floating point interpolator constructed out of rspl's */
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/* This provides imdi functionality in floating point */
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/*
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* Copyright 2000 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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#include "../rspl/rspl.h"
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/* ------------------------------------------------ */
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typedef struct {
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int id, od; /* Input and output dimensions */
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int inres; /* Desired input table resolution */
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int clutres; /* Desired clut table resolution */
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int outres; /* Desired output table resolution */
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rspl *in[MXDI];
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rspl *clut;
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rspl *out[MXDO];
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void (*input_curves) (void *cntx, double *out_vals, double *in_vals);
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void (*md_table) (void *cntx, double *out_vals, double *in_vals);
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void (*output_curves)(void *cntx, double *out_vals, double *in_vals);
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void *cntx; /* Context to callbacks */
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int chan; /* Current callback channel */
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} refi;
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refi *new_refi(
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int id, /* Number of input dimensions */
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int od, /* Number of output dimensions */
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int inres, /* Desired input table resolution */
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int clutres, /* Desired clut table resolution */
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int outres, /* Desired output table resolution */
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/* Callbacks to lookup the table values */
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void (*input_curves) (void *cntx, double *out_vals, double *in_vals),
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void (*md_table) (void *cntx, double *out_vals, double *in_vals),
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void (*output_curves)(void *cntx, double *out_vals, double *in_vals),
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void *cntx /* Context to callbacks */
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);
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void refi_free(refi *r);
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/* Component interpolations */
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void refi_input(void *cntx, double *out_vals, double *in_vals);
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void refi_clut(void *cntx, double *out_vals, double *in_vals);
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void refi_output(void *cntx, double *out_vals, double *in_vals);
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