FreeBSD/Linux Kernel Cross Reference
sys/dev/vt/colors/vt_termcolors.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2013 The FreeBSD Foundation
      *
      * This software was developed by Aleksandr Rybalko under sponsorship from the
      * FreeBSD Foundation.
      *
      * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    struct fb_info;
    
    enum vt_color_format {
            COLOR_FORMAT_BW = 0,
            COLOR_FORMAT_GRAY,
            COLOR_FORMAT_VGA,               /* Color Index. */
            COLOR_FORMAT_RGB,
            COLOR_FORMAT_ARGB,
            COLOR_FORMAT_CMYK,
            COLOR_FORMAT_HSL,
            COLOR_FORMAT_YUV,
            COLOR_FORMAT_YCbCr,
            COLOR_FORMAT_YPbPr,
    
            COLOR_FORMAT_MAX = 15,
    };
    
    #define NCOLORS 16
    
    /*
     * Between console's palette and VGA's one:
     *   - blue and red are swapped (1 <-> 4)
     *   - yellow and cyan are swapped (3 <-> 6)
     */
    static const int cons_to_vga_colors[NCOLORS] = {
            0,  4,  2,  6,  1,  5,  3,  7,
            8, 12, 10, 14,  9, 13, 11, 15
    };
    
    /* Helper to fill color map and set RGB offsets used by driver */
    int vt_config_cons_colors(struct fb_info *info, int format, uint32_t rmax,
        int roffset, uint32_t gmax, int goffset, uint32_t bmax, int boffset);

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