1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886
|
/* Copyright (C) 2001-2022 Artifex Software, Inc.
All Rights Reserved.
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied,
modified or distributed except as expressly authorized under the terms
of the license contained in the file LICENSE in this distribution.
Refer to licensing information at http://www.artifex.com or contact
Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
CA 94945, U.S.A., +1(415)492-9861, for further information.
*/
/*
Functions to serialize a type 1 font as PostScript code that can then be
passed to FreeType via the FAPI FreeType bridge.
Started by Graham Asher, 26th July 2002.
*/
#include <stdio.h>
#include "wrfont.h"
#include "write_t1.h"
/*
Public structures and functions in this file are prefixed with FF_ because they are part of
the FAPI FreeType implementation.
*/
static int
write_word_entry(gs_fapi_font * a_fapi_font, WRF_output * a_output,
const char *a_name, int a_index, int a_divisor)
{
short x;
int code;
WRF_wbyte(a_fapi_font->memory, a_output, '/');
WRF_wstring(a_fapi_font->memory, a_output, a_name);
WRF_wbyte(a_fapi_font->memory, a_output, ' ');
/* Get the value and convert it from unsigned to signed by assigning it to a short. */
code = a_fapi_font->get_word(a_fapi_font, a_index, 0, (unsigned short *)&x);
if (code < 0)
return code;
/* Divide by the divisor to bring it back to font units. */
x = (short)(x / a_divisor);
WRF_wint(a_fapi_font->memory, a_output, x);
WRF_wstring(a_fapi_font->memory, a_output, " def\n");
return 0;
}
static int
write_array_entry_with_count(gs_fapi_font * a_fapi_font,
WRF_output * a_output, const char *a_name,
int a_index, int a_count, int a_divisor)
{
int i, code;;
if (a_count <= 0)
return 0;
WRF_wbyte(a_fapi_font->memory, a_output, '/');
WRF_wstring(a_fapi_font->memory, a_output, a_name);
WRF_wstring(a_fapi_font->memory, a_output, " [");
for (i = 0; i < a_count; i++) {
/* Get the value and convert it from unsigned to signed by assigning it to a short. */
short x;
code = a_fapi_font->get_word(a_fapi_font, a_index, i, (unsigned short *)&x);
if (code < 0)
return code;
/* Divide by the divisor to bring it back to font units. */
x = (short)(x / a_divisor);
WRF_wint(a_fapi_font->memory, a_output, x);
WRF_wbyte(a_fapi_font->memory, a_output, (byte) (i == a_count - 1 ? ']' : ' '));
}
WRF_wstring(a_fapi_font->memory, a_output, " def\n");
return 0;
}
static int
write_array_entry(gs_fapi_font * a_fapi_font, WRF_output * a_output,
const char *a_name, int a_index, int a_divisor)
{
/* NOTE that the feature index must be preceded by the count index for this to work. */
unsigned short count;
int code = a_fapi_font->get_word(a_fapi_font, a_index - 1, 0, &count);
if (code < 0)
return code;
return write_array_entry_with_count(a_fapi_font, a_output, a_name, a_index,
count, a_divisor);
}
static int
write_subrs(gs_fapi_font * a_fapi_font, WRF_output * a_output, int raw)
{
int i;
unsigned short count;
int code = a_fapi_font->get_word(a_fapi_font, gs_fapi_font_feature_Subrs_count,
0, &count);
if (code < 0)
return code;
if (count > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/Subrs ");
WRF_wint(a_fapi_font->memory, a_output, count);
WRF_wstring(a_fapi_font->memory, a_output, " array\n");
for (i = 0; i < count; i++) {
int length;
int buffer_size;
if (raw)
length = a_fapi_font->get_raw_subr(a_fapi_font, i, 0, 0);
else
length = a_fapi_font->get_subr(a_fapi_font, i, 0, 0);
if (length < 0)
return length;
WRF_wstring(a_fapi_font->memory, a_output, "dup ");
WRF_wint(a_fapi_font->memory, a_output, i);
WRF_wbyte(a_fapi_font->memory, a_output, ' ');
WRF_wint(a_fapi_font->memory, a_output, length);
WRF_wstring(a_fapi_font->memory, a_output, " RD ");
/* Get the subroutine into the buffer and encrypt it in place. */
buffer_size = a_output->m_limit - a_output->m_count;
if (buffer_size >= length) {
int l2;
if (raw)
l2 = a_fapi_font->get_raw_subr(a_fapi_font, i, a_output->m_pos,
(ushort) length);
else
l2 = a_fapi_font->get_subr(a_fapi_font, i, a_output->m_pos,
(ushort) length);
if (l2 < 0)
return l2;
WRF_wtext(a_fapi_font->memory, a_output, a_output->m_pos, length);
} else
a_output->m_count += length;
WRF_wstring(a_fapi_font->memory, a_output, " NP\n");
}
WRF_wstring(a_fapi_font->memory, a_output, "ND\n");
}
return 0;
}
static int
write_charstrings(gs_fapi_font * a_fapi_font, WRF_output * a_output)
{
int length;
int buffer_size;
int i;
unsigned short count;
int code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_CharStrings_count,
0, &count);
char NameBuf[256];
if (code < 0)
return code;
if (count > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "2 index /CharStrings ");
WRF_wint(a_fapi_font->memory, a_output, count);
WRF_wstring(a_fapi_font->memory, a_output, " dict dup begin\n");
for (i = 0; i < count; i++) {
length =
a_fapi_font->get_charstring_name(a_fapi_font, i,
(byte *) & NameBuf, 256);
if (length < 0)
return length;
if (length > 0) {
length = a_fapi_font->get_charstring(a_fapi_font, i, 0, 0);
if (length < 0)
return length;
WRF_wbyte(a_fapi_font->memory, a_output, '/');
WRF_wstring(a_fapi_font->memory, a_output, (const char *)&NameBuf);
WRF_wbyte(a_fapi_font->memory, a_output, ' ');
WRF_wint(a_fapi_font->memory, a_output, length);
WRF_wstring(a_fapi_font->memory, a_output, " RD ");
/* Get the CharString into the buffer and encrypt it in place. */
buffer_size = a_output->m_limit - a_output->m_count;
if (buffer_size >= length) {
int l2;
l2 = a_fapi_font->get_charstring(a_fapi_font, i, a_output->m_pos,
(ushort) length);
if (l2 < 0)
return l2;
WRF_wtext(a_fapi_font->memory, a_output, a_output->m_pos, length);
} else
a_output->m_count += length;
WRF_wstring(a_fapi_font->memory, a_output, " ND\n");
}
}
WRF_wstring(a_fapi_font->memory, a_output, " end");
}
return 0;
}
static bool
is_MM_font(gs_fapi_font * a_fapi_font)
{
unsigned short db;
int code = a_fapi_font->get_word(a_fapi_font, gs_fapi_font_feature_DollarBlend, 0, &db);
if (code >= 0 && db == 1)
return true;
return false;
}
static int
write_private_blend_dictionary(gs_fapi_font * a_fapi_font, WRF_output * a_output)
{
short x, x1, x2, i, j, acc;
int code;
if (is_MM_font(a_fapi_font)) {
WRF_wstring(a_fapi_font->memory, a_output, "3 index /Blend get /Private get begin\n");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendBlueValues_length, 0, (unsigned short *)&x);
if (code < 0)
return code;
if (x > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/BlueValues [");
acc = 0;
for (i = 0; i < x; i++) {
WRF_wstring(a_fapi_font->memory, a_output, " [");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendBlueValues_count, i, (unsigned short *)&x1);
if (code < 0)
return code;
for (j = 0; j < x1; j++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendBlueValues, acc++, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x2);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]");
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendOtherBlues_length, 0, (unsigned short *)&x);
if (code < 0)
return code;
if (x > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/OtherBlues [");
acc = 0;
for (i = 0; i < x; i++) {
WRF_wstring(a_fapi_font->memory, a_output, " [");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendOtherBlues_count, i, (unsigned short *)&x1);
if (code < 0)
return code;
for (j = 0; j < x1; j++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendOtherBlues, acc++, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x2);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]");
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendBlueScale_count, 0, (unsigned short *)&x);
if (code < 0)
return 0;
if (x > 0) {
float v;
WRF_wstring(a_fapi_font->memory, a_output, "/BlueScale [");
for (i =0; i < x; i++) {
code = a_fapi_font->get_float(a_fapi_font,
gs_fapi_font_feature_BlendBlueScale, i, &v);
if (code < 0)
return code;
WRF_wfloat(a_fapi_font->memory, a_output, v);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendBlueShift_count, 0, (unsigned short *)&x);
if (code < 0)
return code;
if (x > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/BlueShift [");
for (i =0; i < x; i++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendBlueShift, i, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x2);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendBlueFuzz_count, 0, (unsigned short *)&x);
if (code < 0)
return code;
if (x > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/BlueFuzz [");
for (i =0; i < x; i++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendBlueFuzz, i, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x2);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendForceBold_count, 0, (unsigned short *)&x);
if (code < 0)
return code;
if (x > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/ForceBold [");
for (i =0; i < x; i++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendForceBold, i, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wstring(a_fapi_font->memory, a_output, x2 ? "/true" : "/false");
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStdHW_length, 0, (unsigned short *)&x);
if (code < 0)
return code;
if (x > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/StdHW [");
acc = 0;
for (i = 0; i < x; i++) {
WRF_wstring(a_fapi_font->memory, a_output, " [");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStdHW_count, i, (unsigned short *)&x1);
if (code < 0)
return code;
for (j = 0; j < x1; j++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStdHW, acc++, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x2);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]");
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStdVW_length, 0, (unsigned short *)&x);
if (code < 0)
return code;
if (x > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/StdVW [");
acc = 0;
for (i = 0; i < x; i++) {
WRF_wstring(a_fapi_font->memory, a_output, " [");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStdVW_count, i, (unsigned short *)&x1);
if (code < 0)
return code;
for (j = 0; j < x1; j++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStdVW, acc++, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x2);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]");
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStemSnapH_length, 0, (unsigned short *)&x);
if (code < 0)
return code;
if (x > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/StemSnapH [");
acc = 0;
for (i = 0; i < x; i++) {
WRF_wstring(a_fapi_font->memory, a_output, " [");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStemSnapH_count, i, (unsigned short *)&x1);
if (code < 0)
return code;
for (j = 0; j < x1; j++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStemSnapH, acc++, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x2);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]");
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStemSnapV_length, 0, (unsigned short *)&x);
if (code < 0)
return code;
if (x > 0) {
WRF_wstring(a_fapi_font->memory, a_output, "/StemSnapV [");
acc = 0;
for (i = 0; i < x; i++) {
WRF_wstring(a_fapi_font->memory, a_output, " [");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStemSnapV_count, i, (unsigned short *)&x1);
if (code < 0)
return code;
for (j = 0; j < x1; j++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendStemSnapV, acc++, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x2);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, " ]");
}
WRF_wstring(a_fapi_font->memory, a_output, " ]\n");
}
WRF_wstring(a_fapi_font->memory, a_output, "end\n");
}
return 0;
}
static int
write_private_dictionary(gs_fapi_font * a_fapi_font, WRF_output * a_output,
int Write_CharStrings)
{
int code;
unsigned long ulval;
a_output->m_encrypt = true;
/* Write 4 bytes that must encrypt to at least one character that cannot be a valid hexadecimal character. */
WRF_wstring(a_fapi_font->memory, a_output, "XXXX");
/*+ to do: correct size of dictionary from 8. */
WRF_wstring(a_fapi_font->memory, a_output, "dup /Private 8 dict dup begin\n");
WRF_wstring(a_fapi_font->memory, a_output, "/MinFeature {16 16} def\n");
WRF_wstring(a_fapi_font->memory, a_output, "/password 5839 def\n");
if (Write_CharStrings) {
code = write_word_entry(a_fapi_font, a_output, "lenIV", gs_fapi_font_feature_lenIV, 1);
if (code < 0)
return code;
}
else {
WRF_wstring(a_fapi_font->memory, a_output, "/lenIV -1 def\n"); /* indicate that /subrs are not encoded. */
}
code = write_word_entry(a_fapi_font, a_output, "BlueFuzz", gs_fapi_font_feature_BlueFuzz, 16);
if (code < 0)
return code;
WRF_wstring(a_fapi_font->memory, a_output, "/BlueScale ");
code = a_fapi_font->get_long(a_fapi_font,gs_fapi_font_feature_BlueScale, 0, &ulval);
if (code < 0)
return code;
WRF_wfloat(a_fapi_font->memory, a_output, (float)ulval/65536.0);
WRF_wstring(a_fapi_font->memory, a_output, " def\n");
code = write_word_entry(a_fapi_font, a_output, "BlueShift", gs_fapi_font_feature_BlueShift, 16);
if (code < 0)
return code;
code = write_array_entry(a_fapi_font, a_output, "BlueValues",
gs_fapi_font_feature_BlueValues, 16);
if (code < 0)
return code;
code = write_array_entry(a_fapi_font, a_output, "OtherBlues",
gs_fapi_font_feature_OtherBlues, 16);
if (code < 0)
return code;
code = write_array_entry(a_fapi_font, a_output, "FamilyBlues",
gs_fapi_font_feature_FamilyBlues, 16);
if (code < 0)
return code;
code = write_array_entry(a_fapi_font, a_output, "FamilyOtherBlues",
gs_fapi_font_feature_FamilyOtherBlues, 16);
if (code < 0)
return code;
code = write_word_entry(a_fapi_font, a_output, "ForceBold", gs_fapi_font_feature_ForceBold, 1);
if (code < 0)
return code;
code = write_array_entry_with_count(a_fapi_font, a_output, "StdHW",
gs_fapi_font_feature_StdHW, 1, 16);
if (code < 0)
return code;
code = write_array_entry_with_count(a_fapi_font, a_output, "StdVW",
gs_fapi_font_feature_StdVW, 1, 16);
if (code < 0)
return code;
code = write_array_entry(a_fapi_font, a_output, "StemSnapH",
gs_fapi_font_feature_StemSnapH, 16);
if (code < 0)
return code;
code = write_array_entry(a_fapi_font, a_output, "StemSnapV",
gs_fapi_font_feature_StemSnapV, 16);
if (code < 0)
return code;
code = write_private_blend_dictionary(a_fapi_font, a_output);
if (code < 0)
return code;
if (Write_CharStrings)
code = write_subrs(a_fapi_font, a_output, 1);
else
code = write_subrs(a_fapi_font, a_output, 0);
if (code < 0)
return code;
if (Write_CharStrings)
code = write_charstrings(a_fapi_font, a_output);
return code;
}
static int
write_main_dictionary(gs_fapi_font * a_fapi_font, WRF_output * a_output, int Write_CharStrings)
{
int i, code;
float fval;
WRF_wstring(a_fapi_font->memory, a_output, "5 dict begin\n");
WRF_wstring(a_fapi_font->memory, a_output, "/FontType 1 def\n");
WRF_wstring(a_fapi_font->memory, a_output, "/FontMatrix [");
for (i = 0; i < 6; i++) {
code = a_fapi_font->get_float(a_fapi_font, gs_fapi_font_feature_FontMatrix, i, &fval);
if (code < 0)
return code;
WRF_wfloat(a_fapi_font->memory, a_output, fval);
WRF_wbyte(a_fapi_font->memory, a_output, (byte) (i == 5 ? ']' : ' '));
}
WRF_wbyte(a_fapi_font->memory, a_output, '\n');
/* For now, specify standard encoding - I think GS will pass glyph indices so doesn't matter. */
WRF_wstring(a_fapi_font->memory, a_output, "/Encoding StandardEncoding def\n");
WRF_wstring(a_fapi_font->memory, a_output, "/FontBBox {");
for (i = 0; i < 4; i++) {
short x;
code = a_fapi_font->get_word(a_fapi_font, gs_fapi_font_feature_FontBBox,
i, (unsigned short *)&x);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x);
WRF_wbyte(a_fapi_font->memory, a_output, (byte) (i == 3 ? '}' : ' '));
}
WRF_wbyte(a_fapi_font->memory, a_output, '\n');
if (is_MM_font(a_fapi_font)) {
short x, x2;
unsigned short ux;
float x1;
uint i, j, entries;
char Buffer[255];
entries = 0;
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendAxisTypes_count,
0, (unsigned short *)&x);
if (code < 0)
return code;
if (x)
entries++;
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendDesignPositionsArrays_count,
0, (unsigned short *)&x);
if (code < 0)
return code;
if (x)
entries++;
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendDesignMapArrays_count,
0, (unsigned short *)&x);
if (code < 0)
return code;
if (x)
entries++;
gs_snprintf(Buffer, sizeof(Buffer), "/FontInfo %d dict dup begin\n", entries);
WRF_wstring(a_fapi_font->memory, a_output, Buffer);
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendAxisTypes_count,
0, (unsigned short *)&x);
if (code < 0)
return code;
if (x) {
WRF_wstring(a_fapi_font->memory, a_output, "/BlendAxisTypes [");
for (i = 0; i < x; i++) {
WRF_wstring(a_fapi_font->memory, a_output, " /");
code = a_fapi_font->get_name(a_fapi_font,
gs_fapi_font_feature_BlendAxisTypes, i,
(char *)&Buffer, 255);
if (code < 0)
return code;
WRF_wstring(a_fapi_font->memory, a_output, Buffer);
}
WRF_wstring(a_fapi_font->memory, a_output, "] def\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendDesignPositionsArrays_count,
0, (unsigned short *)&x);
if (code < 0)
return code;
if (x) {
WRF_wstring(a_fapi_font->memory, a_output, "/BlendDesignPositions [");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendAxisTypes_count,
0, (unsigned short *)&x2);
if (code < 0)
return code;
for (i = 0; i < x; i++) {
WRF_wstring(a_fapi_font->memory, a_output, "[");
for (j = 0; j < x2; j++) {
code = a_fapi_font->get_float(a_fapi_font,
gs_fapi_font_feature_BlendDesignPositionsArrayValue,
i * 8 + j, &x1);
if (code < 0)
return code;
gs_snprintf(Buffer, sizeof(Buffer), "%f ", x1);
WRF_wstring(a_fapi_font->memory, a_output, Buffer);
}
WRF_wstring(a_fapi_font->memory, a_output, "]");
}
WRF_wstring(a_fapi_font->memory, a_output, "] def\n");
}
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendDesignMapArrays_count,
0, (unsigned short *)&x);
if (code < 0)
return code;
if (x) {
WRF_wstring(a_fapi_font->memory, a_output, "/BlendDesignMap [");
for (i = 0; i < x; i++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendDesignMapSubArrays_count,
i, (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wstring(a_fapi_font->memory, a_output, "[");
for (j = 0; j < x2; j++) {
WRF_wstring(a_fapi_font->memory, a_output, "[");
code = a_fapi_font->get_float(a_fapi_font,
gs_fapi_font_feature_BlendDesignPositionsArrayValue,
i * 64 + j * 64, &x1);
if (code < 0)
return code;
gs_snprintf(Buffer, sizeof(Buffer), "%f ", x1);
WRF_wstring(a_fapi_font->memory, a_output, Buffer);
code = a_fapi_font->get_float(a_fapi_font,
gs_fapi_font_feature_BlendDesignPositionsArrayValue,
i * 64 + j * 64 + 1, &x1);
if (code < 0)
return code;
gs_snprintf(Buffer, sizeof(Buffer), "%f ", x1);
WRF_wstring(a_fapi_font->memory, a_output, Buffer);
WRF_wstring(a_fapi_font->memory, a_output, "]");
}
WRF_wstring(a_fapi_font->memory, a_output, "]");
}
WRF_wstring(a_fapi_font->memory, a_output, "] def\n");
}
WRF_wstring(a_fapi_font->memory, a_output, "end readonly def\n");
/* Previously we tried to write $Blend twice - the "real" one from the font,
* and the boiler plate one below.
* For now, I assume there was a good reason for including the second, but it may
* be because the "get_proc" method below was missing the code to handle PS name
* objects.
*/
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_DollarBlend_length,
0, &ux);
if (code < 0)
return code;
if (ux > 0) {
int len;
WRF_wstring(a_fapi_font->memory, a_output, "/$Blend {");
if (a_output->m_count)
a_output->m_count += ux;
len = a_fapi_font->get_proc(a_fapi_font,
gs_fapi_font_feature_DollarBlend, 0,
(char *)a_output->m_pos);
if (a_output->m_pos)
a_output->m_pos += len;
WRF_wstring(a_fapi_font->memory, a_output, "} def\n");
} else {
WRF_wstring(a_fapi_font->memory, a_output,
"/$Blend {0.1 mul exch 0.45 mul add exch 0.17 mul add add} def\n");
}
WRF_wstring(a_fapi_font->memory, a_output, "/WeightVector [");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_WeightVector_count, 0, (unsigned short *)&x);
if (code < 0)
return code;
for (i = 0; i < x; i++) {
code = a_fapi_font->get_float(a_fapi_font,
gs_fapi_font_feature_WeightVector, i, &x1);
if (code < 0)
return code;
gs_snprintf(Buffer, sizeof(Buffer), "%f ", x1);
WRF_wstring(a_fapi_font->memory, a_output, Buffer);
}
WRF_wstring(a_fapi_font->memory, a_output, "] def\n");
WRF_wstring(a_fapi_font->memory, a_output, "/Blend 3 dict dup begin\n");
WRF_wstring(a_fapi_font->memory, a_output, "/FontBBox {");
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendFontBBox_length , 0, (unsigned short *)&x);
if (code < 0)
return code;
for (i = 0; i < x; i++) {
int j;
WRF_wstring(a_fapi_font->memory, a_output, " {");
for (j = 0; j < 4; j++) {
code = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_BlendFontBBox,
j + (i * 4), (unsigned short *)&x2);
if (code < 0)
return code;
WRF_wint(a_fapi_font->memory, a_output, x2);
WRF_wbyte(a_fapi_font->memory, a_output, (byte)' ');
}
WRF_wstring(a_fapi_font->memory, a_output, "}");
}
WRF_wstring(a_fapi_font->memory, a_output, " } def\n");
WRF_wstring(a_fapi_font->memory, a_output, "/Private 14 dict def\n");
WRF_wstring(a_fapi_font->memory, a_output, "end def\n");
#undef TEMP_BUF_LEN
}
WRF_wstring(a_fapi_font->memory, a_output, "currentdict end\ncurrentfile eexec\n");
return write_private_dictionary(a_fapi_font, a_output, Write_CharStrings);
}
/**
Write a Type 1 font in textual format and return its length in bytes.
If a_buffer_size is less than the total length, only a_buffer_size bytes are written, but the total
length is returned correctly.
The PostScript is non-standard. The main dictionary contains no /Charstrings dictionary. This
is supplied to FreeType using the incremental interface, There is also no /PaintType entry. This is required
by PostScript but FreeType doesn't use it.
*/
long
gs_fapi_serialize_type1_font(gs_fapi_font * a_fapi_font,
unsigned char *a_buffer, long a_buffer_size)
{
int code;
WRF_output output;
WRF_init(&output, a_buffer, a_buffer_size);
/* Leading comment identifying a Type 1 font. */
WRF_wstring(a_fapi_font->memory, &output, "%!PS-AdobeFont-1\n");
code = write_main_dictionary(a_fapi_font, &output, 0);
if (code < 0)
return (long)code;
#if 0
{
extern FILE *stdout;
if (a_buffer && a_buffer_size >= output.m_count) {
fwrite(a_buffer, 1, output.m_count, stdout);
}
}
#endif
return output.m_count;
}
long
gs_fapi_serialize_type1_font_complete(gs_fapi_font * a_fapi_font,
unsigned char *a_buffer,
long a_buffer_size)
{
int code;
WRF_output output;
WRF_init(&output, a_buffer, a_buffer_size);
/* Leading comment identifying a Type 1 font. */
WRF_wstring(a_fapi_font->memory, &output, "%!PS-AdobeFont-1\n");
code = write_main_dictionary(a_fapi_font, &output, 1);
if (code < 0)
return (long)code;
return output.m_count;
}
|