1 /* $NetBSD: wsfontload.c,v 1.16 2011/06/08 12:49:45 wiz 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #include <stdio.h> 30 #include <fcntl.h> 31 #include <stdlib.h> 32 #include <string.h> 33 #include <unistd.h> 34 #include <sys/types.h> 35 #include <sys/ioctl.h> 36 #include <err.h> 37 #include <malloc.h> 38 39 #include <dev/wscons/wsconsio.h> 40 41 #define DEFDEV "/dev/wsfont" 42 #define DEFWIDTH 8 43 #define DEFHEIGHT 16 44 #define DEFENC WSDISPLAY_FONTENC_ISO 45 #define DEFBITORDER WSDISPLAY_FONTORDER_L2R 46 #define DEFBYTEORDER WSDISPLAY_FONTORDER_L2R 47 48 static void usage(void); 49 static int getencoding(char *); 50 static const char *rgetencoding(int); 51 static const char *rgetfontorder(int); 52 53 static struct { 54 const char *name; 55 int val; 56 } fontorders[] = { 57 { "known", WSDISPLAY_FONTORDER_KNOWN}, 58 { "l2r", WSDISPLAY_FONTORDER_L2R}, 59 { "r2l", WSDISPLAY_FONTORDER_R2L}, 60 }; 61 62 static struct { 63 const char *name; 64 int val; 65 } encodings[] = { 66 {"iso", WSDISPLAY_FONTENC_ISO}, 67 {"ibm", WSDISPLAY_FONTENC_IBM}, 68 {"pcvt", WSDISPLAY_FONTENC_PCVT}, 69 {"iso7", WSDISPLAY_FONTENC_ISO7}, 70 {"iso2", WSDISPLAY_FONTENC_ISO2}, 71 {"koi8r", WSDISPLAY_FONTENC_KOI8_R}, 72 }; 73 74 static void 75 usage(void) 76 { 77 78 (void)fprintf(stderr, 79 "usage: %s [-Bbv] [-e encoding] [-f wsdev] [-h height]" 80 " [-N name] [-w width] [fontfile]\n", 81 getprogname()); 82 exit(1); 83 } 84 85 /* 86 * map given fontorder to its string representation 87 */ 88 static const char * 89 rgetfontorder(int fontorder) 90 { 91 size_t i; 92 93 for (i = 0; i < sizeof(fontorders) / sizeof(fontorders[0]); i++) 94 if (fontorders[i].val == fontorder) 95 return (fontorders[i].name); 96 97 return "unknown"; 98 } 99 100 /* 101 * map given encoding to its string representation 102 */ 103 static const char * 104 rgetencoding(int enc) 105 { 106 size_t i; 107 108 for (i = 0; i < sizeof(encodings) / sizeof(encodings[0]); i++) 109 if (encodings[i].val == enc) 110 return (encodings[i].name); 111 112 return "unknown"; 113 } 114 115 /* 116 * map given encoding string to integer value 117 */ 118 static int 119 getencoding(char *name) 120 { 121 size_t i; 122 int j; 123 124 for (i = 0; i < sizeof(encodings) / sizeof(encodings[0]); i++) 125 if (!strcmp(name, encodings[i].name)) 126 return (encodings[i].val); 127 128 if (sscanf(name, "%d", &j) != 1) 129 errx(1, "invalid encoding"); 130 return (j); 131 } 132 133 int 134 main(int argc, char **argv) 135 { 136 const char *wsdev; 137 struct wsdisplay_font f; 138 int c, res, wsfd, ffd, verbose = 0; 139 size_t len; 140 void *buf; 141 142 wsdev = DEFDEV; 143 f.fontwidth = DEFWIDTH; 144 f.fontheight = DEFHEIGHT; 145 f.firstchar = 0; 146 f.numchars = 256; 147 f.stride = 0; 148 f.encoding = DEFENC; 149 f.name = 0; 150 f.bitorder = DEFBITORDER; 151 f.byteorder = DEFBYTEORDER; 152 153 while ((c = getopt(argc, argv, "f:w:h:e:N:bBv")) != -1) { 154 switch (c) { 155 case 'f': 156 wsdev = optarg; 157 break; 158 case 'w': 159 if (sscanf(optarg, "%d", &f.fontwidth) != 1) 160 errx(1, "invalid font width"); 161 break; 162 case 'h': 163 if (sscanf(optarg, "%d", &f.fontheight) != 1) 164 errx(1, "invalid font height"); 165 break; 166 case 'e': 167 f.encoding = getencoding(optarg); 168 break; 169 case 'N': 170 f.name = optarg; 171 break; 172 case 'b': 173 f.bitorder = WSDISPLAY_FONTORDER_R2L; 174 break; 175 case 'B': 176 f.byteorder = WSDISPLAY_FONTORDER_R2L; 177 break; 178 case 'v': 179 verbose = 1; 180 break; 181 case '?': 182 default: 183 usage(); 184 break; 185 } 186 } 187 argc -= optind; 188 argv += optind; 189 190 if (argc > 1) 191 usage(); 192 193 wsfd = open(wsdev, O_RDWR, 0); 194 if (wsfd < 0) 195 err(2, "open ws-device %s", wsdev); 196 197 if (argc > 0) { 198 ffd = open(argv[0], O_RDONLY, 0); 199 if (ffd < 0) 200 err(4, "open font %s", argv[0]); 201 if (!f.name) 202 f.name = argv[0]; 203 } else 204 ffd = 0; 205 206 if (!f.stride) 207 f.stride = (f.fontwidth + 7) / 8; 208 len = f.fontheight * f.numchars * f.stride; 209 if (!len) 210 errx(1, "invalid font size"); 211 212 buf = malloc(len); 213 if (!buf) 214 errx(1, "malloc"); 215 res = read(ffd, buf, len); 216 if (res < 0) 217 err(4, "read font"); 218 if ((size_t)res != len) 219 errx(4, "short read"); 220 221 f.data = buf; 222 223 if (verbose) { 224 printf("name: %s\n", f.name); 225 printf("firstchar: %d\n", f.firstchar); 226 printf("numchars: %d\n", f.numchars); 227 printf("encoding: %s (%d)\n", 228 rgetencoding(f.encoding), f.encoding); 229 printf("fontwidth: %d\n", f.fontwidth); 230 printf("fontheight: %d\n", f.fontheight); 231 printf("stride: %d\n", f.stride); 232 printf("bitorder: %s (%d)\n", 233 rgetfontorder(f.bitorder), f.bitorder); 234 printf("byteorder: %s (%d)\n", 235 rgetfontorder(f.byteorder), f.byteorder); 236 } 237 238 res = ioctl(wsfd, WSDISPLAYIO_LDFONT, &f); 239 if (res < 0) 240 err(3, "WSDISPLAYIO_LDFONT"); 241 242 return (0); 243 } 244