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/*-
* Copyright (c) 2013 The FreeBSD Foundation
* All rights reserved.
*
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <dev/vt/colors/vt_termcolors.h>
static struct {
unsigned char r; /* Red percentage value. */
unsigned char g; /* Green percentage value. */
unsigned char b; /* Blue percentage value. */
} color_def[16] = {
{0, 0, 0}, /* black */
{50, 0, 0}, /* dark red */
{0, 50, 0}, /* dark green */
{77, 63, 0}, /* dark yellow */
{20, 40, 64}, /* dark blue */
{50, 0, 50}, /* dark magenta */
{0, 50, 50}, /* dark cyan */
{75, 75, 75}, /* light gray */
{18, 20, 21}, /* dark gray */
{100, 0, 0}, /* light red */
{0, 100, 0}, /* light green */
{100, 100, 0}, /* light yellow */
{45, 62, 81}, /* light blue */
{100, 0, 100}, /* light magenta */
{0, 100, 100}, /* light cyan */
{100, 100, 100}, /* white */
};
/*
* Between console's palette and VGA's one:
* - blue and red are swapped (1 <-> 4)
* - yellow ad cyan are swapped (3 <-> 6)
*/
static const int cons_to_vga_colors[16] = {
0, 4, 2, 6, 1, 5, 3, 7,
0, 4, 2, 6, 1, 5, 3, 7
};
int
vt_generate_cons_palette(uint32_t *palette, int format, uint32_t rmax, int roffset,
uint32_t gmax, int goffset, uint32_t bmax, int boffset)
{
int i;
#define CF(_f, _i) ((_f ## max * color_def[(_i)]._f / 100) << _f ## offset)
for (i = 0; i < 16; i++) {
switch (format) {
case COLOR_FORMAT_VGA:
palette[i] = cons_to_vga_colors[i];
break;
case COLOR_FORMAT_RGB:
palette[i] = CF(r, i) | CF(g, i) | CF(b, i);
break;
default:
return (ENODEV);
}
}
#undef CF
return (0);
}
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