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author | jkh <jkh@FreeBSD.org> | 1995-02-05 13:49:25 +0000 |
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committer | jkh <jkh@FreeBSD.org> | 1995-02-05 13:49:25 +0000 |
commit | 839ad527396286b846e58e11836f9091ceccc6d9 (patch) | |
tree | 50f3988ee320fe96b2fce23c40e51b297dbe8754 /usr.sbin/pcvt/loadfont/loadfont.c | |
parent | 8e4f208589200093617b1a41bc21915a81e2751b (diff) | |
download | FreeBSD-src-839ad527396286b846e58e11836f9091ceccc6d9.zip FreeBSD-src-839ad527396286b846e58e11836f9091ceccc6d9.tar.gz |
PCVT userland utilities.
Submitted by: hm
Diffstat (limited to 'usr.sbin/pcvt/loadfont/loadfont.c')
-rw-r--r-- | usr.sbin/pcvt/loadfont/loadfont.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/usr.sbin/pcvt/loadfont/loadfont.c b/usr.sbin/pcvt/loadfont/loadfont.c new file mode 100644 index 0000000..0dfb054 --- /dev/null +++ b/usr.sbin/pcvt/loadfont/loadfont.c @@ -0,0 +1,317 @@ +/* + * Copyright (c) 1992,1993,1994 Hellmuth Michaelis and Brian Dunford-Shore + * + * All rights reserved. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by + * Hellmuth Michaelis and Brian Dunford-Shore + * 4. The name authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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. + * + */ + +static char *id = + "@(#)loadfont.c, 3.20, Last Edit-Date: [Tue Dec 20 14:52:58 1994]"; + +/*---------------------------------------------------------------------------* + * + * load a font into vga character font memory + * + * -hm removing explicit HGC support (same as MDA ..) + * -hm new pcvt_ioctl.h SIZ_xxROWS + * + *---------------------------------------------------------------------------*/ + +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <machine/pcvt_ioctl.h> + +#define FONT8X8 2048 /* filesize for 8x8 font */ +#define HEIGHT8X8 8 /* 8 scan lines char cell height */ +#define SSCAN8X8 143 /* 400 scan lines on screen - 256 - 1 */ +#define SROWS8X8 50 /* 50 character lines on screen */ + +#define FONT8X10 2560 /* filesize for 8x10 font */ +#define HEIGHT8X10 10 /* 10 scan lines char cell height */ +#define SSCAN8X10 143 /* 400 scan lines on screen - 256 - 1 */ +#define SROWS8X10 40 /* 50 character lines on screen */ + +#define FONT8X14 3584 /* filesize for 8x14 font */ +#define HEIGHT8X14 14 /* 14 scan lines char cell height */ +#define SSCAN8X14 135 /* 392 scan lines on screen - 256 - 1 */ +#define SROWS8X14 28 /* 28 character lines on screen */ + +#define FONT8X16 4096 /* filesize for 8x16 font */ +#define HEIGHT8X16 16 /* 16 scan lines char cell height */ +#define SSCAN8X16 143 /* 400 scan lines on screen - 256 - 1 */ +#define SROWS8X16 25 /* 25 character lines on screen */ + +struct screeninfo screeninfo; + +main(argc,argv) +int argc; +char *argv[]; +{ + extern int optind; + extern int opterr; + extern char *optarg; + + FILE *in; + struct stat sbuf, *sbp; + unsigned char *fonttab; + int ret; + int chr_height; + int scr_scan; + int scr_rows; + int c; + int chr_set = -1; + char *filename; + int fflag = -1; + int info = -1; + + while( (c = getopt(argc, argv, "c:f:i")) != EOF) + { + switch(c) + { + case 'c': + chr_set = atoi(optarg); + break; + + case 'f': + filename = optarg; + fflag = 1; + break; + + case 'i': + info = 1; + break; + + case '?': + default: + usage(); + break; + } + } + + if(chr_set == -1 || fflag == -1) + info = 1; + + if(info == 1) + { + int i; + + if(ioctl(0, VGAGETSCREEN, &screeninfo) == -1) + { + perror("ioctl VGAGETSCREEN failed"); + exit(1); + } + + switch(screeninfo.adaptor_type) + { + case UNKNOWN_ADAPTOR: + case MDA_ADAPTOR: + case CGA_ADAPTOR: + printf("Adaptor does not support Downloadable Fonts!\n"); + break; + case EGA_ADAPTOR: + printheader(); + for(i = 0;i < 4;i++) + { + printvgafontattr(i); + } + break; + case VGA_ADAPTOR: + printheader(); + for(i = 0;i < 8;i++) + { + printvgafontattr(i); + } + } + printf("\n"); + exit(0); + } + + if(chr_set < 0 || chr_set > 7) + usage(); + + sbp = &sbuf; + + if((in = fopen(filename, "r")) == NULL) + { + char buffer[80]; + sprintf(buffer, "cannot open file %s for reading", filename); + perror(buffer); + exit(1); + } + + if((fstat(fileno(in), sbp)) != 0) + { + char buffer[80]; + sprintf(buffer, "cannot fstat file %s", filename); + perror(buffer); + exit(1); + } + + switch(sbp->st_size) + { + case FONT8X8: + chr_height = HEIGHT8X8; + scr_scan = SSCAN8X8; + scr_rows = SIZ_50ROWS; + break; + + case FONT8X10: + chr_height = HEIGHT8X10; + scr_scan = SSCAN8X10; + scr_rows = SIZ_40ROWS; + break; + + case FONT8X14: + chr_height = HEIGHT8X14; + scr_scan = SSCAN8X14; + scr_rows = SIZ_28ROWS; + break; + + case FONT8X16: + chr_height = HEIGHT8X16; + scr_scan = SSCAN8X16; + scr_rows = SIZ_25ROWS; + break; + + default: + fprintf(stderr,"error, file %s is no valid font file, size=%d\n",argv[1],sbp->st_size); + exit(1); + } + + if((fonttab = (unsigned char *)malloc((size_t)sbp->st_size)) == NULL) + { + fprintf(stderr,"error, malloc failed\n"); + exit(1); + } + + if((ret = fread(fonttab, sizeof(*fonttab), sbp->st_size, in)) != sbp->st_size) + { + fprintf(stderr,"error reading file %s, size = %d, read = is no valid font file, size=%d\n",argv[1],sbp->st_size, ret); + exit(1); + } + + loadfont(chr_set, chr_height, fonttab); + setfont(chr_set, 1, chr_height - 1, scr_scan, scr_rows); + + exit(0); +} + +setfont(charset, fontloaded, charscan, scrscan, scrrow) +int charset, fontloaded, charscan, scrscan, scrrow; +{ + struct vgafontattr vfattr; + + vfattr.character_set = charset; + vfattr.font_loaded = fontloaded; + vfattr.character_scanlines = charscan; + vfattr.screen_scanlines = scrscan; + vfattr.screen_size = scrrow; + + if(ioctl(1, VGASETFONTATTR, &vfattr) == -1) + { + perror("loadfont - ioctl VGASETFONTATTR failed, error"); + exit(1); + } +} + +loadfont(fontset,charscanlines,font_table) +int fontset; +int charscanlines; +unsigned char *font_table; +{ + int i, j; + struct vgaloadchar vlc; + + vlc.character_set = fontset; + vlc.character_scanlines = charscanlines; + + for(i = 0; i < 256; i++) + { + vlc.character = i; + for (j = 0; j < charscanlines; j++) + { + vlc.char_table[j] = font_table[j]; + } + font_table += charscanlines; + if(ioctl(1, VGALOADCHAR, &vlc) == -1) + { + perror("loadfont - ioctl VGALOADCHAR failed, error"); + exit(1); + } + } +} + +printvgafontattr(charset) +int charset; +{ + struct vgafontattr vfattr; + static int sizetab[] = { 25, 28, 35, 40, 43, 50 }; + + vfattr.character_set = charset; + + if(ioctl(1, VGAGETFONTATTR, &vfattr) == -1) + { + perror("loadfont - ioctl VGAGETFONTATTR failed, error"); + exit(1); + } + printf(" %d ",charset); + if(vfattr.font_loaded) + { + + printf("Loaded "); + printf(" %2.2d ", sizetab[vfattr.screen_size]); + printf(" %2.2d ", + (((int)vfattr.character_scanlines) & 0x1f) + 1); + printf(" %3.3d", + ((int)vfattr.screen_scanlines+0x101)); + } + else + { + printf("Empty"); + } + printf("\n"); +} + +printheader() +{ + printf("\nEGA/VGA Charactersets Status Info:\n\n"); + printf("Set Status Lines CharScanLines ScreenScanLines\n"); + printf("--- ------ ----- ------------- ---------------\n"); +} + +usage() +{ + fprintf(stderr,"\nloadfont - load font into ega/vga font ram for pcvt video driver\n"); + fprintf(stderr,"usage: loadfont -c<cset> -f<filename> -i\n"); + fprintf(stderr," -c <cset> characterset to load (ega 0..3, vga 0..7)\n"); + fprintf(stderr," -f <name> filename containing binary font data\n"); + fprintf(stderr," -i print status and types of loaded fonts (default)\n"); + exit(1); +} |