87 lines
1.3 KiB
C
87 lines
1.3 KiB
C
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#ifndef XRGA_H
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#define XRGA_H
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/*
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* This file contains resources to translate colors to/from
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* X-Rites XRGA calibration standard. This only applies to
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* reflective measurements from historical Gretag-Macbeth & X-Rite
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* instruments, and current X-Rite instruments.
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*/
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/*
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* Author: Graeme W. Gill
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* Date: 9/2/2016
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* Version: 1.00
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*
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* Copyright 2016 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 GENERAL PUBLIC LICENSE Version 2 or later :-
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* see the License2.txt file for licencing details.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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xcalstd_nonpol = 0, /* Unpolarized */
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xcalstd_pol = 1 /* Polarized */
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} xcalpol;
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/* Apply a conversion from one calibration standard to another to an xspect. */
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void xspec_convert_xrga(xspect *dst, xspect *srcp, xcalpol pol, xcalstd dsp, xcalstd ssp);
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/* Apply a conversion from one calibration standard to another to an array of ipatch's */
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void ipatch_convert_xrga(ipatch *vals, int nvals,
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xcalpol pol, xcalstd dsp, xcalstd ssp, int clamp);
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/* Macro returns true if a conversion is needed */
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#define XCALSTD_NEEDED(ssp, dsp) \
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((ssp) != xcalstd_native && (dsp) != xcalstd_native && (dsp) != (ssp))
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#ifdef __cplusplus
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}
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#endif
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#endif /* XRGA_H */
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