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