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/// @file
/// @ingroup public_apis
/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Details at https://graphviz.org
*************************************************************************/
#pragma once
#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,
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];
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
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