New upstream version 1.9.1+repackupstream/1.9.1+repack

1 files changed, 86 insertions, 0 deletions

diff --git a/spectro/xrga.h b/spectro/xrga.h
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--- /dev/null
+++ b/spectro/xrga.h
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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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