482 lines
10 KiB
C
482 lines
10 KiB
C
/*-
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* Copyright (c) 1994 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: vidcontrol.c,v 1.2 1994/09/15 07:28:06 sos Exp $
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <machine/console.h>
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#include <sys/errno.h>
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#include "path.h"
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char legal_colors[16][16] = {
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"black", "blue", "green", "cyan",
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"red", "magenta", "brown", "white",
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"grey", "lightblue", "lightgreen", "lightcyan",
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"lightred", "lightmagenta", "yellow", "lightwhite"
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};
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int hex = 0;
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int number, verbose = 0;
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char letter;
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struct vid_info info;
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char *
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nextarg(int ac, char **av, int *indp, int oc)
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{
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if (*indp < ac)
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return(av[(*indp)++]);
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fprintf(stderr, "%s: option requires two arguments -- %c\n", av[0], oc);
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usage();
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exit(1);
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return("");
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}
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char *
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mkfullname(const char *s1, const char *s2, const char *s3)
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{
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static char *buf = NULL;
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static int bufl = 0;
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int f;
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f = strlen(s1) + strlen(s2) + strlen(s3) + 1;
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if (f > bufl)
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if (buf)
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buf = (char *)realloc(buf, f);
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else
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buf = (char *)malloc(f);
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if (!buf) {
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bufl = 0;
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return(NULL);
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}
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bufl = f;
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strcpy(buf, s1);
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strcat(buf, s2);
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strcat(buf, s3);
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return(buf);
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}
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void
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load_scrnmap(char *filename)
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{
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FILE *fd;
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int i, size;
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char *name;
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scrmap_t scrnmap;
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char *prefix[] = {"", "", SCRNMAP_PATH, SCRNMAP_PATH, NULL};
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char *postfix[] = {"", ".scm", "", ".scm"};
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for (i=0; prefix[i]; i++) {
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name = mkfullname(prefix[i], filename, postfix[i]);
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if (fd = fopen(name, "r"))
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break;
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}
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if (fd == NULL) {
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perror("screenmap file not found");
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return;
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}
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size = sizeof(scrnmap);
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if (decode(fd, &scrnmap) != size) {
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rewind(fd);
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if (fread(&scrnmap, 1, size, fd) != size) {
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fprintf(stderr, "bad scrnmap file\n");
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close(fd);
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return;
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}
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}
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if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
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perror("can't load screenmap");
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close(fd);
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}
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void
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load_default_scrnmap()
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{
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int i;
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scrmap_t scrnmap;
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for (i=0; i<256; i++)
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*((char*)&scrnmap + i) = i;
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if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
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perror("can't load default screenmap");
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}
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void
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print_scrnmap()
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{
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unsigned char map[256];
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int i;
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if (ioctl(0, GIO_SCRNMAP, &map) < 0) {
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perror("getting scrnmap");
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return;
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}
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for (i=0; i<sizeof(map); i++) {
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if (i > 0 && i % 16 == 0)
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fprintf(stdout, "\n");
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if (hex)
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fprintf(stdout, " %02x", map[i]);
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else
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fprintf(stdout, " %03d", map[i]);
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}
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fprintf(stdout, "\n");
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}
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void
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load_font(char *type, char *filename)
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{
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FILE *fd;
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int i, io, size;
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char *name, *fontmap;
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char *prefix[] = {"", "", FONT_PATH, FONT_PATH, NULL};
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char *postfix[] = {"", ".fnt", "", ".fnt"};
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for (i=0; prefix[i]; i++) {
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name = mkfullname(prefix[i], filename, postfix[i]);
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if (fd = fopen(name, "r"))
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break;
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}
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if (fd == NULL) {
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perror("font file not found");
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return;
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}
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if (!strcmp(type, "8x8")) {
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size = 8*256;
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io = PIO_FONT8x8;
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}
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else if (!strcmp(type, "8x14")) {
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size = 14*256;
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io = PIO_FONT8x14;
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}
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else if (!strcmp(type, "8x16")) {
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size = 16*256;
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io = PIO_FONT8x16;
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}
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else {
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perror("bad font size specification");
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close(fd);
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return;
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}
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fontmap = (char*) malloc(size);
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if (decode(fd, fontmap) != size) {
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rewind(fd);
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if (fread(fontmap, 1, size, fd) != size) {
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fprintf(stderr, "bad font file\n");
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close(fd);
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free(fontmap);
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return;
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}
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}
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if (ioctl(0, io, fontmap) < 0)
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perror("can't load font");
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close(fd);
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free(fontmap);
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}
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void
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set_screensaver_timeout(char *arg)
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{
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int nsec;
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if (!strcmp(arg, "off"))
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nsec = 0;
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else {
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nsec = atoi(arg);
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if ((*arg == '\0') || (nsec < 1)) {
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fprintf(stderr, "argument must be a positive number\n");
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return;
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}
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}
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if (ioctl(0, CONS_BLANKTIME, &nsec) == -1)
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perror("setting screensaver period");
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}
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void
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set_screensaver_type(char *type)
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{
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ssaver_t saver;
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int i, e;
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if (!strcmp(type, "help")) {
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i = 0;
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printf("available screen saver types:\n");
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do {
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saver.num = i;
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e = ioctl(0, CONS_GSAVER, &saver);
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i ++;
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if (e == 0)
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printf("\t%s\n", saver.name);
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} while (e == 0);
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if (e == -1 && errno != EIO)
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perror("getting screensaver info");
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} else {
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i = 0;
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do {
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saver.num = i;
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e = ioctl(0, CONS_GSAVER, &saver);
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i ++;
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if (e == 0 && !strcmp(type, saver.name)) {
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if (ioctl(0, CONS_SSAVER, &saver) == -1)
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perror("setting screensaver type");
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return;
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}
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} while (e == 0);
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if (e == -1 && errno != EIO)
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perror("getting screensaver info");
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else
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fprintf(stderr, "%s: No such screensaver\n", type);
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}
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}
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void
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set_cursor_values(char *size)
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{
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int start, end;
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int n;
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char *v1;
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start = strtol(size, &v1, 0);
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if ((start < 0) || (*v1 != '.'))
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goto badopt;
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size = ++v1;
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end = strtol(size, &v1, 0);
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if ((end < 0) || (*size == '\0') || (*v1 != '\0')) {
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badopt:
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fprintf(stderr,
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"argument to -c must be start.end\n");
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return;
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}
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if (verbose)
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fprintf(stderr, "setting cursor to %d.%d\n", start, end);
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fprintf(stdout, "[=%d;%dC", start, end);
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}
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int
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video_mode(int argc, char **argv, int *index)
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{
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int mode;
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if (*index < argc) {
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if (!strcmp(argv[*index], "VGA_40x25"))
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mode = SW_VGA_C40x25;
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else if (!strcmp(argv[*index], "VGA_80x25"))
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mode = SW_VGA_C80x25;
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else if (!strcmp(argv[*index], "VGA_80x50"))
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mode = SW_VGA_C80x50;
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else if (!strcmp(argv[*index], "VGA_320x200"))
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mode = SW_VGA_CG320;
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else if (!strcmp(argv[*index], "EGA_80x25"))
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mode = SW_ENH_C80x25;
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else if (!strcmp(argv[*index], "EGA_80x43"))
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mode = SW_ENH_C80x43;
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else
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return;
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if (ioctl(0, mode, NULL) < 0)
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perror("Cannot set videomode");
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(*index)++;
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}
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return;
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}
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int
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get_color_number(char *color)
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{
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int i;
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for (i=0; i<16; i++)
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if (!strcmp(color, legal_colors[i]))
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return i;
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return -1;
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}
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int
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set_normal_colors(int argc, char **argv, int *index)
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{
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int color;
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if (*index < argc && (color = get_color_number(argv[*index])) != -1) {
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(*index)++;
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fprintf(stderr, "[=%dF", color);
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if (*index < argc
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&& (color = get_color_number(argv[*index])) != -1
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&& color < 8) {
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(*index)++;
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fprintf(stderr, "[=%dG", color);
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}
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}
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}
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set_reverse_colors(int argc, char **argv, int *index)
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{
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int color;
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if ((color = get_color_number(argv[*(index)-1])) != -1) {
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fprintf(stderr, "[=%dH", color);
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if (*index < argc
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&& (color = get_color_number(argv[*index])) != -1
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&& color < 8) {
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(*index)++;
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fprintf(stderr, "[=%dI", color);
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}
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}
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}
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set_border_color(char *arg)
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{
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int color;
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if ((color = get_color_number(arg)) != -1) {
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fprintf(stderr, "[=%dA", color);
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}
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else
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usage();
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}
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test_frame()
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{
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int i;
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fprintf(stdout, "[=0G\n\n");
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for (i=0; i<8; i++) {
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fprintf(stdout, "[=15F[=0G %2d [=%dF%-16s"
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"[=15F[=0G %2d [=%dF%-16s "
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"[=15F %2d [=%dGBACKGROUND[=0G\n",
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i, i, legal_colors[i], i+8, i+8,
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legal_colors[i+8], i, i);
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}
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fprintf(stdout, "[=%dF[=%dG[=%dH[=%dI\n",
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info.mv_norm.fore, info.mv_norm.back,
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info.mv_rev.fore, info.mv_rev.back);
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}
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usage()
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{
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fprintf(stderr,
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"Usage: vidcontrol mode (available modes: VGA_40x25, VGA_80x25,\n"
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" VGA_80x50, VGA_320x200,\n"
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" EGA_80x25, EGA_80x43)\n"
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" show (show available colors)\n"
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" fgcol bgcol (set fore- & background colors)\n"
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" -r fgcol bgcol (set reverse fore- & background colors)\n"
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" -b color (set border color)\n"
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" -c n.m (set cursor start line n & end line m)\n"
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" -d (dump screenmap to stdout)\n"
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" -l filename (load srceenmap file filename)\n"
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" -L (load default screenmap)\n"
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" -f DxL filename (load font, D dots wide & L lines high)\n"
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" -s saver | help (set screensaver type or help for a list)\n"
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" -t N (set screensaver timeout in seconds)\n"
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" -x (use hex numbers for output)\n"
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);
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}
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void
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main(int argc, char **argv)
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{
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extern char *optarg;
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extern int optind;
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int opt;
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info.size = sizeof(info);
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if (ioctl(0, CONS_GETINFO, &info) < 0) {
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perror("Must be on a vty");
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exit(1);
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}
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while((opt = getopt(argc, argv, "b:c:df:l:Lr:s:t:vx")) != -1)
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switch(opt) {
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case 'c':
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set_cursor_values(optarg);
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break;
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case 'b':
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set_border_color(optarg);
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break;
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case 'd':
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print_scrnmap();
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break;
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case 'f':
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load_font(optarg,
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nextarg(argc, argv, &optind, 'f'));
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break;
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case 'l':
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load_scrnmap(optarg);
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break;
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case 'L':
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load_default_scrnmap();
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break;
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case 'r':
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set_reverse_colors(argc, argv, &optind);
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break;
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case 's':
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set_screensaver_type(optarg);
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break;
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case 't':
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set_screensaver_timeout(optarg);
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break;
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case 'v':
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verbose = 1;
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break;
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case 'x':
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hex = 1;
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break;
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default:
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usage();
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exit(1);
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}
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if (video_mode(argc, argv, &optind)) ;
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if (set_normal_colors(argc, argv, &optind)) ;
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if (optind < argc && !strcmp(argv[optind], "show")) {
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test_frame();
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optind++;
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}
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if ((optind != argc) || (argc == 1)) {
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usage();
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exit(1);
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}
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exit(0);
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}
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