diff toolboxes/graph_visualisation/include/graphviz/color.h @ 0:e9a9cd732c1e tip

first hg version after svn

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/graph_visualisation/include/graphviz/color.h	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,57 @@
+/* $Id: color.h,v 1.7 2009/06/03 01:10:51 ellson Exp $ $Revision: 1.7 $ */
+/* vim:set shiftwidth=4 ts=8: */
+
+/**********************************************************
+*      This software is part of the graphviz package      *
+*                http://www.graphviz.org/                 *
+*                                                         *
+*            Copyright (c) 1994-2004 AT&T Corp.           *
+*                and is licensed under the                *
+*            Common Public License, Version 1.0           *
+*                      by AT&T Corp.                      *
+*                                                         *
+*        Information and Software Systems Research        *
+*              AT&T Research, Florham Park NJ             *
+**********************************************************/
+
+#ifndef GV_COLOR_H
+#define GV_COLOR_H
+
+/* #include "arith.h" */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct hsvrgbacolor_t {
+    char *name;
+    unsigned char h, s, v;
+    unsigned char r, g, b, a;
+} hsvrgbacolor_t;
+
+/* possible representations of color in gvcolor_t */
+typedef enum { HSVA_DOUBLE, RGBA_BYTE, RGBA_WORD, CMYK_BYTE,
+		RGBA_DOUBLE, COLOR_STRING, COLOR_INDEX } color_type_t;
+
+/* gvcolor_t can hold a color spec in a choice or representations */
+typedef struct color_s {
+    union {
+	double RGBA[4];
+	double HSVA[4];
+	unsigned char rgba[4];
+	unsigned char cmyk[4];
+	int rrggbbaa[4];
+	char *string;
+	int index;
+    } u;
+    color_type_t type;
+} gvcolor_t;
+
+#define COLOR_MALLOC_FAIL -1
+#define COLOR_UNKNOWN 1
+#define COLOR_OK 0
+
+#ifdef __cplusplus
+}
+#endif
+#endif