Files
tmux/image-ascii.c

41 lines
1.4 KiB
C

/* $OpenBSD$ */
/*
* Copyright (c) 2026 Michael Grant <mgrant@grant.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <string.h>
#include "tmux.h"
void
image_get_text_cell(__unused struct tty *tty, struct image *im, u_int x,
u_int y, const struct grid_cell *gc, struct grid_cell *out,
__unused const struct tty_style_ctx *style_ctx)
{
static const char ramp[] = " .:-=+*#%@";
const struct image_cell *cell;
u_int level = 0;
memcpy(out, gc, sizeof *out);
cell = image_get_cell(im, x, y);
if (cell != NULL)
level = cell->whole.brightness * (sizeof ramp - 2) / 255;
utf8_set(&out->data, ramp[level]);
out->flags &= ~GRID_FLAG_IMAGE;
}