1 files changed, 68 insertions, 0 deletions
diff --git a/gamut/gammap.h b/gamut/gammap.h
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+#ifndef GAMMAP_H
+#define GAMMAP_H
+
+/* 
+ * Argyll Gamut Mapping Library
+ *
+ * Author:  Graeme W. Gill
+ * Date:    1/10/2000
+ * Version: 2.00
+ *
+ * Copyright 2000 - 2006 Graeme W. Gill
+ * All rights reserved.
+ *
+ * This material is licenced under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3 :-
+ * see the License.txt file for licencing details.
+ */
+
+
+/* Gamut mapping object */
+struct _gammap {
+
+/* Private: */
+	int dbg;			/* NZ to turn on debug messages */
+						/* neutral axis alignment transform applied to source: */
+	double grot[3][4];	/* Incoming grey axis rotation matrix */
+	double igrot[3][4];	/* Inverse of above */
+	rspl *grey;			/* Forward L map */
+	rspl *igrey;		/* Inverse L map */
+						/* Source to destination gamut map applied */
+						/* to transformed source: */
+	rspl *map;			/* Rotated, L mapped Lab -> Lab gamut map */
+	double imin[3], imax[3];	/* Input range limits of map */
+
+/* Public: */
+
+	/* Methods */
+	void (*del)(struct _gammap *s);			/* Free ourselves */
+	void (*domap)(struct _gammap *s, double *out, double *in);	/* Do the mapping */
+
+}; typedef struct _gammap gammap;
+
+/* Method of black point adaptation */
+typedef enum {
+	gmm_BPadpt    = 0,		/* Adapt source black point to destination */
+	gmm_noBPadpt  = 1,		/* Don't adapt black point to destination */ 
+	gmm_bendBP    = 2,		/* Don't adapt black point, bend it to dest. at end */  
+	gmm_clipBP    = 3		/* Don't adapt black point, clip it to dest. at end */  
+} gmm_BPmap;
+
+/* Creator */
+gammap *new_gammap(
+	int verb,			/* Verbose flag */
+	gamut *sc_gam,		/* Source colorspace gamut */
+	gamut *s_gam,		/* Source image gamut (NULL if none) */
+	gamut *d_gam,		/* Destination colorspace gamut */
+	icxGMappingIntent *gmi, /* Gamut mapping specification */
+	int src_kbp,		/* Use K only black point as src gamut black point */
+	int dst_kbp,		/* Use K only black point as dst gamut black point */
+	int dst_cmymap,		/* masks C = 1, M = 2, Y = 4 to force 100% cusp map */
+	int rel_oride,		/* 0 = normal, 1 = override min relative, 2 = max relative */
+	int    mapres,		/* Gamut map resolution, typically 9 - 33 */
+	double *mn,			/* If not NULL, set minimum mapping input range */
+	double *mx,			/* for rspl grid */
+	char *diagname		/* If non-NULL, write a gamut mapping diagnostic WRL */
+);
+
+
+#endif /* GAMMAP_H */