xref: /netbsd-src/usr.sbin/wsfontload/wsfontload.c (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /* $NetBSD: wsfontload.c,v 1.10 2005/03/16 01:34:11 xtraeme Exp $ */
2 
3 /*
4  * Copyright (c) 1999
5  *	Matthias Drochner.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed for the NetBSD Project
18  *	by Matthias Drochner.
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34 
35 #include <stdio.h>
36 #include <fcntl.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40 #include <sys/types.h>
41 #include <sys/ioctl.h>
42 #include <err.h>
43 #include <malloc.h>
44 
45 #include <dev/wscons/wsconsio.h>
46 
47 #define DEFDEV		"/dev/wsfont"
48 #define DEFWIDTH	8
49 #define DEFHEIGHT	16
50 #define DEFENC		WSDISPLAY_FONTENC_ISO
51 #define DEFBITORDER	WSDISPLAY_FONTORDER_L2R
52 #define DEFBYTEORDER	WSDISPLAY_FONTORDER_L2R
53 
54 static void usage(void);
55 static int getencoding(char *);
56 static const char *rgetencoding(int);
57 static const char *rgetfontorder(int);
58 
59 static struct {
60 	const char *name;
61 	int val;
62 } fontorders[] = {
63 	{ "known", WSDISPLAY_FONTORDER_KNOWN},
64 	{ "l2r", WSDISPLAY_FONTORDER_L2R},
65 	{ "r2l", WSDISPLAY_FONTORDER_R2L},
66 };
67 
68 static struct {
69 	const char *name;
70 	int val;
71 } encodings[] = {
72 	{"iso", WSDISPLAY_FONTENC_ISO},
73 	{"ibm", WSDISPLAY_FONTENC_IBM},
74 	{"pcvt", WSDISPLAY_FONTENC_PCVT},
75 	{"iso7", WSDISPLAY_FONTENC_ISO7},
76 	{"iso2", WSDISPLAY_FONTENC_ISO2},
77 };
78 
79 static void
80 usage(void)
81 {
82 
83 	(void)fprintf(stderr,
84 		"usage: %s [-f wsdev] [-w width] [-h height] [-e encoding]"
85 		" [-N name] [-b] [-B] [fontfile]\n",
86 		      getprogname());
87 	exit(1);
88 }
89 
90 /*
91  * map given fontorder to it's string representation
92  */
93 static const char *
94 rgetfontorder(int fontorder)
95 {
96 	int i;
97 
98 	for (i = 0; i < sizeof(fontorders) / sizeof(fontorders[0]); i++)
99 		if (fontorders[i].val == fontorder)
100 			return (fontorders[i].name);
101 
102 	return "unknown";
103 }
104 
105 /*
106  * map given encoding to it's string representation
107  */
108 static const char *
109 rgetencoding(int enc)
110 {
111 	int i;
112 
113 	for (i = 0; i < sizeof(encodings) / sizeof(encodings[0]); i++)
114 		if (encodings[i].val == enc)
115 			return (encodings[i].name);
116 
117 	return "unknown";
118 }
119 
120 /*
121  * map given encoding string to integer value
122  */
123 static int
124 getencoding(char *name)
125 {
126 	int i;
127 
128 	for (i = 0; i < sizeof(encodings) / sizeof(encodings[0]); i++)
129 		if (!strcmp(name, encodings[i].name))
130 			return (encodings[i].val);
131 
132 	if (sscanf(name, "%d", &i) != 1)
133 		errx(1, "invalid encoding");
134 	return (i);
135 }
136 
137 int
138 main(int argc, char **argv)
139 {
140 	const char *wsdev;
141 	struct wsdisplay_font f;
142 	int c, res, wsfd, ffd, verbose = 0;
143 	size_t len;
144 	void *buf;
145 
146 	wsdev = DEFDEV;
147 	f.fontwidth = DEFWIDTH;
148 	f.fontheight = DEFHEIGHT;
149 	f.firstchar = 0;
150 	f.numchars = 256;
151 	f.stride = 0;
152 	f.encoding = DEFENC;
153 	f.name = 0;
154 	f.bitorder = DEFBITORDER;
155 	f.byteorder = DEFBYTEORDER;
156 
157 	while ((c = getopt(argc, argv, "f:w:h:e:N:bB:v")) != -1) {
158 		switch (c) {
159 		case 'f':
160 			wsdev = optarg;
161 			break;
162 		case 'w':
163 			if (sscanf(optarg, "%d", &f.fontwidth) != 1)
164 				errx(1, "invalid font width");
165 			break;
166 		case 'h':
167 			if (sscanf(optarg, "%d", &f.fontheight) != 1)
168 				errx(1, "invalid font height");
169 			break;
170 		case 'e':
171 			f.encoding = getencoding(optarg);
172 			break;
173 		case 'N':
174 			f.name = optarg;
175 			break;
176 		case 'b':
177 			f.bitorder = WSDISPLAY_FONTORDER_R2L;
178 			break;
179 		case 'B':
180 			f.byteorder = WSDISPLAY_FONTORDER_R2L;
181 			break;
182 		case 'v':
183 			verbose = 1;
184 			break;
185 		case '?':
186 		default:
187 			usage();
188 			break;
189 		}
190 	}
191 	argc -= optind;
192 	argv += optind;
193 
194 	if (argc > 1)
195 		usage();
196 
197 	wsfd = open(wsdev, O_RDWR, 0);
198 	if (wsfd < 0)
199 		err(2, "open ws-device %s", wsdev);
200 
201 	if (argc > 0) {
202 		ffd = open(argv[0], O_RDONLY, 0);
203 		if (ffd < 0)
204 			err(4, "open font %s", argv[0]);
205 		if (!f.name)
206 			f.name = argv[0];
207 	} else
208 		ffd = 0;
209 
210 	if (!f.stride)
211 		f.stride = (f.fontwidth + 7) / 8;
212 	len = f.fontheight * f.numchars * f.stride;
213 	if (!len)
214 		errx(1, "invalid font size");
215 
216 	buf = malloc(len);
217 	if (!buf)
218 		errx(1, "malloc");
219 	res = read(ffd, buf, len);
220 	if (res < 0)
221 		err(4, "read font");
222 	if (res != len)
223 		errx(4, "short read");
224 
225 	f.data = buf;
226 
227 	if (verbose) {
228 		printf("name:       %s\n", f.name);
229 		printf("firstchar:  %d\n", f.firstchar);
230 		printf("numchars:   %d\n", f.numchars);
231 		printf("encoding:   %s (%d)\n",
232 			rgetencoding(f.encoding), f.encoding);
233 		printf("fontwidth:  %d\n", f.fontwidth);
234 		printf("fontheight: %d\n", f.fontheight);
235 		printf("stride:     %d\n", f.stride);
236 		printf("bitorder:   %s (%d)\n",
237 			rgetfontorder(f.bitorder), f.bitorder);
238 		printf("byteorder:  %s (%d)\n",
239 			rgetfontorder(f.byteorder), f.byteorder);
240 	}
241 
242 	res = ioctl(wsfd, WSDISPLAYIO_LDFONT, &f);
243 	if (res < 0)
244 		err(3, "WSDISPLAYIO_LDFONT");
245 
246 	return (0);
247 }
248