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-rw-r--r--usr.sbin/pcvt/loadfont/loadfont.c317
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
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+++ 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);
+}
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