1 /* 2 * Copyright (c) 2009, 2014 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Ed Schouten under sponsorship from the 6 * FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/types.h> 31 #include <endian.h> 32 #include <sys/param.h> 33 #include <sys/queue.h> 34 35 #include <assert.h> 36 #include <err.h> 37 #include <stdint.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <stdbool.h> 41 #include <string.h> 42 #include <unistd.h> 43 #include "fnv_hash.h" 44 45 #define VFNT_MAPS 4 46 #define VFNT_MAP_NORMAL 0 47 #define VFNT_MAP_NORMAL_RH 1 48 #define VFNT_MAP_BOLD 2 49 #define VFNT_MAP_BOLD_RH 3 50 51 extern size_t lz4_compress(void *, void *, size_t, size_t, int); 52 53 static unsigned int width = 8, wbytes, height = 16; 54 55 struct bbox { 56 unsigned int width; /* pixels */ 57 unsigned int height; 58 int x; /* lower left corner x */ 59 int y; /* lower left corner y */ 60 }; 61 62 static struct bbox bbox; /* font bounding box */ 63 static int font_ascent; /* pixels above baseline */ 64 static int font_descent; /* pixels below baseline */ 65 static unsigned int default_char = 0xFFFD; 66 67 struct glyph { 68 TAILQ_ENTRY(glyph) g_list; 69 SLIST_ENTRY(glyph) g_hash; 70 uint8_t *g_data; 71 unsigned int g_index; 72 }; 73 74 #define FONTCVT_NHASH 4096 75 TAILQ_HEAD(glyph_list, glyph); 76 static SLIST_HEAD(, glyph) glyph_hash[FONTCVT_NHASH]; 77 static struct glyph_list glyphs[VFNT_MAPS] = { 78 TAILQ_HEAD_INITIALIZER(glyphs[0]), 79 TAILQ_HEAD_INITIALIZER(glyphs[1]), 80 TAILQ_HEAD_INITIALIZER(glyphs[2]), 81 TAILQ_HEAD_INITIALIZER(glyphs[3]), 82 }; 83 static unsigned int glyph_total, glyph_count[4], glyph_unique, glyph_dupe; 84 85 struct mapping { 86 TAILQ_ENTRY(mapping) m_list; 87 unsigned int m_char; 88 unsigned int m_length; 89 struct glyph *m_glyph; 90 }; 91 92 TAILQ_HEAD(mapping_list, mapping); 93 static struct mapping_list maps[VFNT_MAPS] = { 94 TAILQ_HEAD_INITIALIZER(maps[0]), 95 TAILQ_HEAD_INITIALIZER(maps[1]), 96 TAILQ_HEAD_INITIALIZER(maps[2]), 97 TAILQ_HEAD_INITIALIZER(maps[3]), 98 }; 99 static unsigned int mapping_total, map_count[4], map_folded_count[4], 100 mapping_unique, mapping_dupe; 101 102 enum output_format { 103 VT_FONT, /* default */ 104 VT_C_SOURCE, /* C source for built in fonts */ 105 VT_C_COMPRESSED /* C source with compressed font data */ 106 }; 107 108 struct whitelist { 109 uint32_t c; 110 uint32_t len; 111 }; 112 113 /* 114 * Compressed font glyph list. To be used with boot loader, we need to have 115 * ascii set and box drawing chars. 116 */ 117 static struct whitelist c_list[] = { 118 { .c = 0, .len = 0 }, /* deault char */ 119 { .c = 0x20, .len = 0x5f }, 120 { .c = 0x2500, .len = 0 }, /* single frame */ 121 { .c = 0x2502, .len = 0 }, 122 { .c = 0x250c, .len = 0 }, 123 { .c = 0x2510, .len = 0 }, 124 { .c = 0x2514, .len = 0 }, 125 { .c = 0x2518, .len = 0 }, 126 { .c = 0x2550, .len = 1 }, /* double frame */ 127 { .c = 0x2554, .len = 0 }, 128 { .c = 0x2557, .len = 0 }, 129 { .c = 0x255a, .len = 0 }, 130 { .c = 0x255d, .len = 0 }, 131 }; 132 133 /* 134 * Uncompressed source. For x86 we need cp437 so the vga text mode 135 * can program font into the vga card. 136 */ 137 static struct whitelist s_list[] = { 138 { .c = 0, .len = 0 }, /* deault char */ 139 { .c = 0x20, .len = 0x5f }, /* ascii set */ 140 { .c = 0xA0, .len = 0x5f }, /* latin 1 */ 141 { .c = 0x0192, .len = 0 }, 142 { .c = 0x0332, .len = 0 }, /* composing lower line */ 143 { .c = 0x0393, .len = 0 }, 144 { .c = 0x0398, .len = 0 }, 145 { .c = 0x03A3, .len = 0 }, 146 { .c = 0x03A6, .len = 0 }, 147 { .c = 0x03A9, .len = 0 }, 148 { .c = 0x03B1, .len = 1 }, 149 { .c = 0x03B4, .len = 0 }, 150 { .c = 0x03C0, .len = 0 }, 151 { .c = 0x03C3, .len = 0 }, 152 { .c = 0x03C4, .len = 0 }, 153 { .c = 0x207F, .len = 0 }, 154 { .c = 0x20A7, .len = 0 }, 155 { .c = 0x2205, .len = 0 }, 156 { .c = 0x220A, .len = 0 }, 157 { .c = 0x2219, .len = 1 }, 158 { .c = 0x221E, .len = 0 }, 159 { .c = 0x2229, .len = 0 }, 160 { .c = 0x2248, .len = 0 }, 161 { .c = 0x2261, .len = 0 }, 162 { .c = 0x2264, .len = 1 }, 163 { .c = 0x2310, .len = 0 }, 164 { .c = 0x2320, .len = 1 }, 165 { .c = 0x2500, .len = 0 }, 166 { .c = 0x2502, .len = 0 }, 167 { .c = 0x250C, .len = 0 }, 168 { .c = 0x2510, .len = 0 }, 169 { .c = 0x2514, .len = 0 }, 170 { .c = 0x2518, .len = 0 }, 171 { .c = 0x251C, .len = 0 }, 172 { .c = 0x2524, .len = 0 }, 173 { .c = 0x252C, .len = 0 }, 174 { .c = 0x2534, .len = 0 }, 175 { .c = 0x253C, .len = 0 }, 176 { .c = 0x2550, .len = 0x1c }, 177 { .c = 0x2580, .len = 0 }, 178 { .c = 0x2584, .len = 0 }, 179 { .c = 0x2588, .len = 0 }, 180 { .c = 0x258C, .len = 0 }, 181 { .c = 0x2590, .len = 3 }, 182 { .c = 0x25A0, .len = 0 }, 183 }; 184 185 bool filter = true; 186 enum output_format format = VT_FONT; 187 /* Type for write callback. */ 188 typedef size_t (*vt_write)(const void *, size_t, size_t, FILE *); 189 uint8_t *uncompressed; 190 191 static void 192 usage(void) 193 { 194 195 (void) fprintf(stderr, "usage:\tvtfontcvt " 196 "[-n] [-f font|source|compressed-source] [-w width] " 197 "[-h height]\n\t[-v] -o outfile normal.bdf [bold.bdf]\n"); 198 exit(1); 199 } 200 201 static void * 202 xmalloc(size_t size) 203 { 204 void *m; 205 206 if ((m = malloc(size)) == NULL) 207 errx(1, "memory allocation failure"); 208 return (m); 209 } 210 211 static int 212 add_mapping(struct glyph *gl, unsigned int c, unsigned int map_idx) 213 { 214 struct mapping *mp, *v; 215 struct mapping_list *ml; 216 217 mapping_total++; 218 219 mp = xmalloc(sizeof (*mp)); 220 mp->m_char = c; 221 mp->m_glyph = gl; 222 mp->m_length = 0; 223 224 ml = &maps[map_idx]; 225 if (TAILQ_LAST(ml, mapping_list) != NULL && 226 TAILQ_LAST(ml, mapping_list)->m_char >= c) { 227 TAILQ_FOREACH_REVERSE(v, ml, mapping_list, m_list) { 228 if (v->m_char < c) { 229 TAILQ_INSERT_AFTER(ml, v, mp, m_list); 230 break; 231 } else if (v->m_char == c) 232 errx(1, "Bad ordering at character %u", c); 233 } 234 } else 235 TAILQ_INSERT_TAIL(ml, mp, m_list); 236 237 map_count[map_idx]++; 238 mapping_unique++; 239 240 return (0); 241 } 242 243 static int 244 dedup_mapping(unsigned int map_idx) 245 { 246 struct mapping *tmp, *mp_bold, *mp_normal; 247 unsigned normal_map_idx = map_idx - VFNT_MAP_BOLD; 248 249 assert(map_idx == VFNT_MAP_BOLD || map_idx == VFNT_MAP_BOLD_RH); 250 mp_normal = TAILQ_FIRST(&maps[normal_map_idx]); 251 TAILQ_FOREACH_SAFE(mp_bold, &maps[map_idx], m_list, tmp) { 252 while (mp_normal->m_char < mp_bold->m_char) 253 mp_normal = TAILQ_NEXT(mp_normal, m_list); 254 if (mp_bold->m_char != mp_normal->m_char) 255 errx(1, "Character %u not in normal font!", 256 mp_bold->m_char); 257 if (mp_bold->m_glyph != mp_normal->m_glyph) 258 continue; 259 260 /* No mapping is needed if it's equal to the normal mapping. */ 261 TAILQ_REMOVE(&maps[map_idx], mp_bold, m_list); 262 free(mp_bold); 263 mapping_dupe++; 264 } 265 return (0); 266 } 267 268 static struct glyph * 269 add_glyph(const uint8_t *bytes, unsigned int map_idx, int fallback) 270 { 271 struct glyph *gl; 272 int hash; 273 274 glyph_total++; 275 glyph_count[map_idx]++; 276 277 hash = fnv_32_buf(bytes, wbytes * height, FNV1_32_INIT) % FONTCVT_NHASH; 278 SLIST_FOREACH(gl, &glyph_hash[hash], g_hash) { 279 if (memcmp(gl->g_data, bytes, wbytes * height) == 0) { 280 glyph_dupe++; 281 return (gl); 282 } 283 } 284 285 gl = xmalloc(sizeof (*gl)); 286 gl->g_data = xmalloc(wbytes * height); 287 memcpy(gl->g_data, bytes, wbytes * height); 288 if (fallback) 289 TAILQ_INSERT_HEAD(&glyphs[map_idx], gl, g_list); 290 else 291 TAILQ_INSERT_TAIL(&glyphs[map_idx], gl, g_list); 292 SLIST_INSERT_HEAD(&glyph_hash[hash], gl, g_hash); 293 294 glyph_unique++; 295 return (gl); 296 } 297 298 static bool 299 check_whitelist(unsigned c) 300 { 301 struct whitelist *w = NULL; 302 int i, n = 0; 303 304 if (filter == false) 305 return (true); 306 307 if (format == VT_C_SOURCE) { 308 w = s_list; 309 n = sizeof (s_list) / sizeof (s_list[0]); 310 } 311 if (format == VT_C_COMPRESSED) { 312 w = c_list; 313 n = sizeof (c_list) / sizeof (c_list[0]); 314 } 315 if (w == NULL) 316 return (true); 317 for (i = 0; i < n; i++) { 318 if (c >= w[i].c && c <= w[i].c + w[i].len) 319 return (true); 320 } 321 return (false); 322 } 323 324 static int 325 add_char(unsigned curchar, unsigned map_idx, uint8_t *bytes, uint8_t *bytes_r) 326 { 327 struct glyph *gl; 328 329 /* Prevent adding two glyphs for default_char */ 330 if (curchar == default_char) { 331 if (map_idx < VFNT_MAP_BOLD) 332 gl = add_glyph(bytes, 0, 1); 333 } else if (filter == false || curchar >= 0x20) { 334 gl = add_glyph(bytes, map_idx, 0); 335 if (add_mapping(gl, curchar, map_idx) != 0) 336 return (1); 337 if (bytes_r != NULL) { 338 gl = add_glyph(bytes_r, map_idx + 1, 0); 339 if (add_mapping(gl, curchar, 340 map_idx + 1) != 0) 341 return (1); 342 } 343 } 344 return (0); 345 } 346 347 348 static int 349 parse_bitmap_line(uint8_t *left, uint8_t *right, unsigned int line, 350 unsigned int dwidth) 351 { 352 uint8_t *p; 353 unsigned int i, subline; 354 355 if (dwidth != width && dwidth != width * 2) 356 errx(1, "Bitmap with unsupported width %u!", dwidth); 357 358 /* Move pixel data right to simplify splitting double characters. */ 359 line >>= (howmany(dwidth, 8) * 8) - dwidth; 360 361 for (i = dwidth / width; i > 0; i--) { 362 p = (i == 2) ? right : left; 363 364 subline = line & ((1 << width) - 1); 365 subline <<= (howmany(width, 8) * 8) - width; 366 367 if (wbytes == 1) { 368 *p = subline; 369 } else if (wbytes == 2) { 370 *p++ = subline >> 8; 371 *p = subline; 372 } else { 373 errx(1, "Unsupported wbytes %u!", wbytes); 374 } 375 376 line >>= width; 377 } 378 379 return (0); 380 } 381 382 static int 383 parse_bdf(FILE *fp, unsigned int map_idx) 384 { 385 char ln[BUFSIZ]; 386 uint8_t bytes[wbytes * height], bytes_r[wbytes * height]; 387 unsigned int curchar = 0, dwidth = 0, i, line; 388 389 memset(bytes, 0, sizeof (bytes)); 390 memset(bytes_r, 0, sizeof (bytes_r)); 391 392 while (fgets(ln, sizeof (ln), fp) != NULL) { 393 if (sscanf(ln, "ENCODING %u", &curchar) == 1) 394 continue; 395 396 if (sscanf(ln, "DWIDTH %u", &dwidth) == 1) 397 continue; 398 399 if (strncmp(ln, "BITMAP", 6) == 0) { 400 for (i = 0; i < height; i++) { 401 if (fgets(ln, sizeof (ln), fp) == NULL) 402 errx(1, "Unexpected EOF!"); 403 sscanf(ln, "%x", &line); 404 if (parse_bitmap_line(bytes + i * wbytes, 405 bytes_r + i * wbytes, line, dwidth) != 0) 406 return (1); 407 } 408 409 if (check_whitelist(curchar) == true) { 410 if (add_char(curchar, map_idx, bytes, 411 dwidth == width * 2 ? bytes_r : NULL) != 0) 412 return (1); 413 } 414 } 415 } 416 417 return (0); 418 } 419 420 static void 421 set_width(int w) 422 { 423 424 if (w <= 0 || w > 128) 425 errx(1, "invalid width %d", w); 426 width = w; 427 wbytes = howmany(width, 8); 428 } 429 430 static int 431 parse_hex(FILE *fp, unsigned int map_idx) 432 { 433 char ln[BUFSIZ], *p; 434 char fmt_str[8]; 435 uint8_t *bytes = NULL, *bytes_r = NULL; 436 unsigned curchar = 0, i, line, chars_per_row, dwidth; 437 int rv = 0; 438 439 while (fgets(ln, sizeof (ln), fp) != NULL) { 440 if (strncmp(ln, "# Height: ", 10) == 0) { 441 if (bytes != NULL) { 442 errx(1, "malformed input: Height tag after " 443 "font data"); 444 } 445 height = atoi(ln + 10); 446 } else if (strncmp(ln, "# Width: ", 9) == 0) { 447 if (bytes != NULL) { 448 errx(1, "malformed input: Width tag after " 449 "font data"); 450 } 451 set_width(atoi(ln + 9)); 452 } else if (sscanf(ln, "%6x:", &curchar)) { 453 if (bytes == NULL) { 454 bytes = xmalloc(wbytes * height); 455 bytes_r = xmalloc(wbytes * height); 456 } 457 /* ln is guaranteed to have a colon here. */ 458 p = strchr(ln, ':') + 1; 459 chars_per_row = strlen(p) / height; 460 dwidth = width; 461 if (chars_per_row / 2 > (width + 7) / 8) 462 dwidth *= 2; /* Double-width character. */ 463 snprintf(fmt_str, sizeof (fmt_str), "%%%ux", 464 chars_per_row); 465 466 for (i = 0; i < height; i++) { 467 sscanf(p, fmt_str, &line); 468 p += chars_per_row; 469 if (parse_bitmap_line(bytes + i * wbytes, 470 bytes_r + i * wbytes, line, dwidth) != 0) { 471 rv = 1; 472 goto out; 473 } 474 } 475 476 if (add_char(curchar, map_idx, bytes, 477 dwidth == width * 2 ? bytes_r : NULL) != 0) { 478 rv = 1; 479 goto out; 480 } 481 } 482 } 483 out: 484 free(bytes); 485 free(bytes_r); 486 return (rv); 487 } 488 489 /* Read BDF header and set the font data. */ 490 static int 491 parse_bdf_header(FILE *fp) 492 { 493 char ln[BUFSIZ]; 494 char spacing = '\0'; /* Should we assume C if not specified? */ 495 int ret; 496 497 while (fgets(ln, sizeof (ln), fp) != NULL) { 498 ret = sscanf(ln, "FONTBOUNDINGBOX %u %u %d %d", 499 &bbox.width, &bbox.height, &bbox.x, &bbox.y); 500 if (ret == 4) 501 continue; 502 ret = sscanf(ln, "FONT_ASCENT %u", &font_ascent); 503 if (ret == 1) 504 continue; 505 ret = sscanf(ln, "FONT_DESCENT %u", &font_descent); 506 if (ret == 1) 507 continue; 508 ret = sscanf(ln, "DEFAULT_CHAR %u", &default_char); 509 if (ret == 1) { 510 c_list[0].c = default_char; 511 s_list[0].c = default_char; 512 continue; 513 } 514 ret = sscanf(ln, "SPACING \"%c\"", &spacing); 515 if (ret == 1) 516 continue; 517 if (strncmp("ENDPROPERTIES", ln, 13) == 0) 518 break; 519 } 520 if (spacing != 'C') { 521 printf("Spacing '%c' is not supported\n", spacing); 522 return (1); 523 } 524 if (bbox.width == 0) 525 bbox.width = width; 526 set_width(bbox.width); 527 528 if (bbox.height == 0) 529 bbox.height = height; 530 height = bbox.height; 531 return (0); 532 } 533 534 static int 535 parse_file(const char *filename, unsigned int map_idx) 536 { 537 FILE *fp; 538 size_t len; 539 int rv; 540 541 fp = fopen(filename, "r"); 542 if (fp == NULL) { 543 perror(filename); 544 return (1); 545 } 546 len = strlen(filename); 547 if (len > 4 && strcasecmp(filename + len - 4, ".hex") == 0) { 548 rv = parse_hex(fp, map_idx); 549 } else { 550 if ((rv = parse_bdf_header(fp)) == 0) 551 rv = parse_bdf(fp, map_idx); 552 } 553 fclose(fp); 554 return (rv); 555 } 556 557 static void 558 number_glyphs(void) 559 { 560 struct glyph *gl; 561 unsigned int i, idx = 0; 562 563 for (i = 0; i < VFNT_MAPS; i++) 564 TAILQ_FOREACH(gl, &glyphs[i], g_list) 565 gl->g_index = idx++; 566 } 567 568 /* Note we only deal with byte stream here. */ 569 static size_t 570 write_glyph_source(const void *ptr, size_t size, size_t nitems, FILE *stream) 571 { 572 const uint8_t *data = ptr; 573 size_t i; 574 575 size *= nitems; 576 for (i = 0; i < size; i++) { 577 if ((i % wbytes) == 0) { 578 if (fprintf(stream, "\n") < 0) 579 return (0); 580 } 581 if (fprintf(stream, "0x%02x, ", data[i]) < 0) 582 return (0); 583 } 584 if (fprintf(stream, "\n") < 0) 585 nitems = 0; 586 587 return (nitems); 588 } 589 590 /* Write to buffer */ 591 static size_t 592 write_glyph_buf(const void *ptr, size_t size, size_t nitems, FILE *stream) 593 { 594 static size_t index = 0; 595 596 size *= nitems; 597 (void) memmove(uncompressed + index, ptr, size); 598 index += size; 599 600 return (nitems); 601 } 602 603 static int 604 write_glyphs(FILE *fp, vt_write cb) 605 { 606 struct glyph *gl; 607 unsigned int i; 608 609 for (i = 0; i < VFNT_MAPS; i++) { 610 TAILQ_FOREACH(gl, &glyphs[i], g_list) 611 if (cb(gl->g_data, wbytes * height, 1, fp) != 1) 612 return (1); 613 } 614 return (0); 615 } 616 617 static void 618 fold_mappings(unsigned int map_idx) 619 { 620 struct mapping_list *ml = &maps[map_idx]; 621 struct mapping *mn, *mp, *mbase; 622 623 mp = mbase = TAILQ_FIRST(ml); 624 for (mp = mbase = TAILQ_FIRST(ml); mp != NULL; mp = mn) { 625 mn = TAILQ_NEXT(mp, m_list); 626 if (mn != NULL && mn->m_char == mp->m_char + 1 && 627 mn->m_glyph->g_index == mp->m_glyph->g_index + 1) 628 continue; 629 mbase->m_length = mp->m_char - mbase->m_char + 1; 630 mbase = mp = mn; 631 map_folded_count[map_idx]++; 632 } 633 } 634 635 struct file_mapping { 636 uint32_t source; 637 uint16_t destination; 638 uint16_t length; 639 } __attribute__((packed)); 640 641 static int 642 write_mappings(FILE *fp, unsigned int map_idx) 643 { 644 struct mapping_list *ml = &maps[map_idx]; 645 struct mapping *mp; 646 struct file_mapping fm; 647 unsigned int i = 0, j = 0; 648 649 TAILQ_FOREACH(mp, ml, m_list) { 650 j++; 651 if (mp->m_length > 0) { 652 i += mp->m_length; 653 fm.source = htobe32(mp->m_char); 654 fm.destination = htobe16(mp->m_glyph->g_index); 655 fm.length = htobe16(mp->m_length - 1); 656 if (fwrite(&fm, sizeof (fm), 1, fp) != 1) 657 return (1); 658 } 659 } 660 assert(i == j); 661 return (0); 662 } 663 664 static int 665 write_source_mappings(FILE *fp, unsigned int map_idx) 666 { 667 struct mapping_list *ml = &maps[map_idx]; 668 struct mapping *mp; 669 unsigned int i = 0, j = 0; 670 671 TAILQ_FOREACH(mp, ml, m_list) { 672 j++; 673 if (mp->m_length > 0) { 674 i += mp->m_length; 675 if (fprintf(fp, "\t{ 0x%08x, 0x%04x, 0x%04x },\n", 676 mp->m_char, mp->m_glyph->g_index, 677 mp->m_length - 1) < 0) 678 return (1); 679 } 680 } 681 assert(i == j); 682 return (0); 683 } 684 685 struct file_header { 686 uint8_t magic[8]; 687 uint8_t width; 688 uint8_t height; 689 uint16_t pad; 690 uint32_t glyph_count; 691 uint32_t map_count[4]; 692 } __attribute__((packed)); 693 694 static int 695 write_fnt(const char *filename) 696 { 697 FILE *fp; 698 struct file_header fh = { 699 .magic = "VFNT0002", 700 }; 701 702 fp = fopen(filename, "wb"); 703 if (fp == NULL) { 704 perror(filename); 705 return (1); 706 } 707 708 fh.width = width; 709 fh.height = height; 710 fh.glyph_count = htobe32(glyph_unique); 711 fh.map_count[0] = htobe32(map_folded_count[0]); 712 fh.map_count[1] = htobe32(map_folded_count[1]); 713 fh.map_count[2] = htobe32(map_folded_count[2]); 714 fh.map_count[3] = htobe32(map_folded_count[3]); 715 if (fwrite(&fh, sizeof (fh), 1, fp) != 1) { 716 perror(filename); 717 fclose(fp); 718 return (1); 719 } 720 721 if (write_glyphs(fp, &fwrite) != 0 || 722 write_mappings(fp, VFNT_MAP_NORMAL) != 0 || 723 write_mappings(fp, 1) != 0 || 724 write_mappings(fp, VFNT_MAP_BOLD) != 0 || 725 write_mappings(fp, 3) != 0) { 726 perror(filename); 727 fclose(fp); 728 return (1); 729 } 730 731 fclose(fp); 732 return (0); 733 } 734 735 static int 736 write_fnt_source(bool lz4, const char *filename) 737 { 738 FILE *fp; 739 int rv = 1; 740 size_t uncompressed_size = wbytes * height * glyph_unique; 741 size_t compressed_size = uncompressed_size; 742 uint8_t *compressed = NULL; 743 744 fp = fopen(filename, "w"); 745 if (fp == NULL) { 746 perror(filename); 747 return (1); 748 } 749 750 if (lz4 == true) { 751 uncompressed = xmalloc(uncompressed_size); 752 compressed = xmalloc(uncompressed_size); 753 } 754 if (fprintf(fp, "/* Generated %ux%u console font source. */\n\n", 755 width, height) < 0) 756 goto done; 757 if (fprintf(fp, "#include <sys/types.h>\n") < 0) 758 goto done; 759 if (fprintf(fp, "#include <sys/param.h>\n") < 0) 760 goto done; 761 if (fprintf(fp, "#include <sys/font.h>\n\n") < 0) 762 goto done; 763 764 /* Write font bytes. */ 765 if (fprintf(fp, "static uint8_t FONTDATA_%ux%u[] = {\n", 766 width, height) < 0) 767 goto done; 768 if (lz4 == true) { 769 if (write_glyphs(fp, &write_glyph_buf) != 0) 770 goto done; 771 compressed_size = lz4_compress(uncompressed, compressed, 772 uncompressed_size, compressed_size, 0); 773 if (write_glyph_source(compressed, compressed_size, 1, fp) != 1) 774 goto done; 775 free(uncompressed); 776 free(compressed); 777 } else { 778 if (write_glyphs(fp, &write_glyph_source) != 0) 779 goto done; 780 } 781 if (fprintf(fp, "};\n\n") < 0) 782 goto done; 783 784 /* Write font maps. */ 785 if (!TAILQ_EMPTY(&maps[VFNT_MAP_NORMAL])) { 786 if (fprintf(fp, "static struct font_map " 787 "FONTMAP_NORMAL_%ux%u[] = {\n", width, height) < 0) 788 goto done; 789 if (write_source_mappings(fp, VFNT_MAP_NORMAL) != 0) 790 goto done; 791 if (fprintf(fp, "};\n\n") < 0) 792 goto done; 793 } 794 if (!TAILQ_EMPTY(&maps[VFNT_MAP_NORMAL_RH])) { 795 if (fprintf(fp, "static struct font_map " 796 "FONTMAP_NORMAL_RH_%ux%u[] = {\n", width, height) < 0) 797 goto done; 798 if (write_source_mappings(fp, VFNT_MAP_NORMAL_RH) != 0) 799 goto done; 800 if (fprintf(fp, "};\n\n") < 0) 801 goto done; 802 } 803 if (!TAILQ_EMPTY(&maps[VFNT_MAP_BOLD])) { 804 if (fprintf(fp, "static struct font_map " 805 "FONTMAP_BOLD_%ux%u[] = {\n", width, height) < 0) 806 goto done; 807 if (write_source_mappings(fp, VFNT_MAP_BOLD) != 0) 808 goto done; 809 if (fprintf(fp, "};\n\n") < 0) 810 goto done; 811 } 812 if (!TAILQ_EMPTY(&maps[VFNT_MAP_BOLD_RH])) { 813 if (fprintf(fp, "static struct font_map " 814 "FONTMAP_BOLD_RH_%ux%u[] = {\n", width, height) < 0) 815 goto done; 816 if (write_source_mappings(fp, VFNT_MAP_BOLD_RH) != 0) 817 goto done; 818 if (fprintf(fp, "};\n\n") < 0) 819 goto done; 820 } 821 822 /* Write struct font. */ 823 if (fprintf(fp, "struct font font_%ux%u = {\n", 824 width, height) < 0) 825 goto done; 826 if (fprintf(fp, "\t.vf_map\t= {\n") < 0) 827 goto done; 828 if (TAILQ_EMPTY(&maps[VFNT_MAP_NORMAL])) { 829 if (fprintf(fp, "\t\t\tNULL,\n") < 0) 830 goto done; 831 } else { 832 if (fprintf(fp, "\t\t\tFONTMAP_NORMAL_%ux%u,\n", 833 width, height) < 0) 834 goto done; 835 } 836 if (TAILQ_EMPTY(&maps[VFNT_MAP_NORMAL_RH])) { 837 if (fprintf(fp, "\t\t\tNULL,\n") < 0) 838 goto done; 839 } else { 840 if (fprintf(fp, "\t\t\tFONTMAP_NORMAL_RH_%ux%u,\n", 841 width, height) < 0) 842 goto done; 843 } 844 if (TAILQ_EMPTY(&maps[VFNT_MAP_BOLD])) { 845 if (fprintf(fp, "\t\t\tNULL,\n") < 0) 846 goto done; 847 } else { 848 if (fprintf(fp, "\t\t\tFONTMAP_BOLD_%ux%u,\n", 849 width, height) < 0) 850 goto done; 851 } 852 if (TAILQ_EMPTY(&maps[VFNT_MAP_BOLD_RH])) { 853 if (fprintf(fp, "\t\t\tNULL\n") < 0) 854 goto done; 855 } else { 856 if (fprintf(fp, "\t\t\tFONTMAP_BOLD_RH_%ux%u\n", 857 width, height) < 0) 858 goto done; 859 } 860 if (fprintf(fp, "\t\t},\n") < 0) 861 goto done; 862 if (lz4 == true) { 863 if (fprintf(fp, "\t.vf_bytes\t= NULL,\n") < 0) 864 goto done; 865 } else { 866 if (fprintf(fp, "\t.vf_bytes\t= FONTDATA_%ux%u,\n", 867 width, height) < 0) { 868 goto done; 869 } 870 } 871 if (fprintf(fp, "\t.vf_width\t= %u,\n", width) < 0) 872 goto done; 873 if (fprintf(fp, "\t.vf_height\t= %u,\n", height) < 0) 874 goto done; 875 if (fprintf(fp, "\t.vf_map_count\t= { %u, %u, %u, %u }\n", 876 map_folded_count[0], map_folded_count[1], map_folded_count[2], 877 map_folded_count[3]) < 0) { 878 goto done; 879 } 880 if (fprintf(fp, "};\n\n") < 0) 881 goto done; 882 883 /* Write bitmap data. */ 884 if (fprintf(fp, "bitmap_data_t font_data_%ux%u = {\n", 885 width, height) < 0) 886 goto done; 887 if (fprintf(fp, "\t.width\t= %u,\n", width) < 0) 888 goto done; 889 if (fprintf(fp, "\t.height\t= %u,\n", height) < 0) 890 goto done; 891 if (lz4 == true) { 892 if (fprintf(fp, "\t.compressed_size\t= %u,\n", 893 compressed_size) < 0) { 894 goto done; 895 } 896 if (fprintf(fp, "\t.uncompressed_size\t= %u,\n", 897 uncompressed_size) < 0) { 898 goto done; 899 } 900 if (fprintf(fp, "\t.compressed_data\t= FONTDATA_%ux%u,\n", 901 width, height) < 0) { 902 goto done; 903 } 904 } else { 905 if (fprintf(fp, "\t.compressed_size\t= 0,\n") < 0) 906 goto done; 907 if (fprintf(fp, "\t.uncompressed_size\t= %u,\n", 908 uncompressed_size) < 0) { 909 goto done; 910 } 911 if (fprintf(fp, "\t.compressed_data\t= NULL,\n") < 0) 912 goto done; 913 } 914 if (fprintf(fp, "\t.font = &font_%ux%u\n", width, height) < 0) 915 goto done; 916 if (fprintf(fp, "};\n") < 0) 917 goto done; 918 919 rv = 0; 920 done: 921 if (rv != 0) 922 perror(filename); 923 fclose(fp); 924 return (0); 925 } 926 927 static void 928 print_font_info(void) 929 { 930 printf( 931 "Statistics:\n" 932 "- glyph_total: %6u\n" 933 "- glyph_normal: %6u\n" 934 "- glyph_normal_right: %6u\n" 935 "- glyph_bold: %6u\n" 936 "- glyph_bold_right: %6u\n" 937 "- glyph_unique: %6u\n" 938 "- glyph_dupe: %6u\n" 939 "- mapping_total: %6u\n" 940 "- mapping_normal: %6u\n" 941 "- mapping_normal_folded: %6u\n" 942 "- mapping_normal_right: %6u\n" 943 "- mapping_normal_right_folded: %6u\n" 944 "- mapping_bold: %6u\n" 945 "- mapping_bold_folded: %6u\n" 946 "- mapping_bold_right: %6u\n" 947 "- mapping_bold_right_folded: %6u\n" 948 "- mapping_unique: %6u\n" 949 "- mapping_dupe: %6u\n", 950 glyph_total, 951 glyph_count[0], 952 glyph_count[1], 953 glyph_count[2], 954 glyph_count[3], 955 glyph_unique, glyph_dupe, 956 mapping_total, 957 map_count[0], map_folded_count[0], 958 map_count[1], map_folded_count[1], 959 map_count[2], map_folded_count[2], 960 map_count[3], map_folded_count[3], 961 mapping_unique, mapping_dupe); 962 } 963 964 int 965 main(int argc, char *argv[]) 966 { 967 int ch, val, verbose = 0, rv = 0; 968 char *outfile = NULL; 969 970 assert(sizeof (struct file_header) == 32); 971 assert(sizeof (struct file_mapping) == 8); 972 973 while ((ch = getopt(argc, argv, "nf:h:vw:o:")) != -1) { 974 switch (ch) { 975 case 'f': 976 if (strcmp(optarg, "font") == 0) 977 format = VT_FONT; 978 else if (strcmp(optarg, "source") == 0) 979 format = VT_C_SOURCE; 980 else if (strcmp(optarg, "compressed-source") == 0) 981 format = VT_C_COMPRESSED; 982 else 983 errx(1, "Invalid format: %s", optarg); 984 break; 985 case 'h': 986 val = atoi(optarg); 987 if (val <= 0 || val > 128) 988 errx(1, "Invalid height %d", val); 989 height = val; 990 break; 991 case 'n': 992 filter = false; 993 break; 994 case 'o': 995 outfile = optarg; 996 break; 997 case 'v': 998 verbose = 1; 999 break; 1000 case 'w': 1001 set_width(atoi(optarg)); 1002 break; 1003 case '?': 1004 default: 1005 usage(); 1006 } 1007 } 1008 argc -= optind; 1009 argv += optind; 1010 1011 if (outfile == NULL || argc < 1 || argc > 2) 1012 usage(); 1013 1014 wbytes = howmany(width, 8); 1015 1016 if (parse_file(argv[0], VFNT_MAP_NORMAL) != 0) 1017 return (1); 1018 argc--; 1019 argv++; 1020 if (argc == 1) { 1021 if (parse_file(argv[0], VFNT_MAP_BOLD) != 0) 1022 return (1); 1023 argc--; 1024 argv++; 1025 } 1026 number_glyphs(); 1027 dedup_mapping(VFNT_MAP_BOLD); 1028 dedup_mapping(VFNT_MAP_BOLD_RH); 1029 fold_mappings(0); 1030 fold_mappings(1); 1031 fold_mappings(2); 1032 fold_mappings(3); 1033 1034 switch (format) { 1035 case VT_FONT: 1036 rv = write_fnt(outfile); 1037 break; 1038 case VT_C_SOURCE: 1039 rv = write_fnt_source(false, outfile); 1040 break; 1041 case VT_C_COMPRESSED: 1042 rv = write_fnt_source(true, outfile); 1043 break; 1044 } 1045 1046 if (verbose) 1047 print_font_info(); 1048 1049 return (rv); 1050 } 1051