/*
 * This file and its contents are supplied under the terms of the
 * Common Development and Distribution License ("CDDL"), version 1.0.
 * You may only use this file in accordance with the terms of version
 * 1.0 of the CDDL.
 *
 * A full copy of the text of the CDDL should have accompanied this
 * source.  A copy of the CDDL is also available via the Internet at
 * http://www.illumos.org/license/CDDL.
 */

/*
 * Copyright 2018 Toomas Soome <tsoome@me.com>
 */

#ifndef _SYS_RGB_H
#define _SYS_RGB_H

#include <sys/types.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Number of "base" colors is 16, 8 dark and 8 bright/light.
 * Color map size for indexed colors is 256, to support VGA 256-color modes.
 */
#define NCOLORS         16
#define NCMAP           256

/*
 * Color data from bootloader.
 */
typedef struct rgb_color {
        uint8_t pos;
        uint8_t size;
} rgb_color_t;

typedef struct rgb {
        rgb_color_t red;
        rgb_color_t green;
        rgb_color_t blue;
} rgb_t;

extern rgb_t rgb_info;

typedef struct {
        uint8_t red[NCOLORS];
        uint8_t green[NCOLORS];
        uint8_t blue[NCOLORS];
} text_cmap_t;

extern const text_cmap_t cmap4_to_24;
/*
 * ANSI color to sun color translation.
 */

/* The pc color here is actually referring to standard 16 color VGA map. */
typedef enum pc_colors {
        pc_black        = 0,
        pc_blue         = 1,
        pc_green        = 2,
        pc_cyan         = 3,
        pc_red          = 4,
        pc_magenta      = 5,
        pc_brown        = 6,
        pc_white        = 7,
        pc_grey         = 8,
        pc_brt_blue     = 9,
        pc_brt_green    = 10,
        pc_brt_cyan     = 11,
        pc_brt_red      = 12,
        pc_brt_magenta  = 13,
        pc_yellow       = 14,
        pc_brt_white    = 15
} pc_colors_t;

typedef enum sun_colors {
        sun_brt_white   = 0,
        sun_black       = 1,
        sun_blue        = 2,
        sun_green       = 3,
        sun_cyan        = 4,
        sun_red         = 5,
        sun_magenta     = 6,
        sun_brown       = 7,
        sun_white       = 8,
        sun_grey        = 9,
        sun_brt_blue    = 10,
        sun_brt_green   = 11,
        sun_brt_cyan    = 12,
        sun_brt_red     = 13,
        sun_brt_magenta = 14,
        sun_yellow      = 15,
} sun_colors_t;

#define XLATE_NCOLORS   8
extern const uint8_t dim_xlate[XLATE_NCOLORS];
extern const uint8_t brt_xlate[XLATE_NCOLORS];
extern const uint8_t solaris_color_to_pc_color[NCOLORS];
extern const uint8_t pc_color_to_solaris_color[NCOLORS];

extern uint32_t rgb_to_color(const rgb_t *, uint32_t, uint32_t, uint32_t,
    uint32_t);
extern uint32_t rgb_color_map(const rgb_t *, uint8_t, uint8_t);

#ifdef __cplusplus
}
#endif

#endif /* _SYS_RGB_H */