| File: | backend/dvi/mdvi-lib/dviread.c |
| Warning: | line 1036, column 6 Although the value stored to 'op' is used in the enclosing expression, the value is never actually read from 'op' |
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| 1 | /* |
| 2 | * Copyright (C) 2000, Matias Atria |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | */ |
| 18 | |
| 19 | #include <config.h> |
| 20 | #include <stdio.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <stdarg.h> |
| 23 | #include <string.h> |
| 24 | #include <math.h> |
| 25 | #include <errno(*__errno_location ()).h> |
| 26 | #include <unistd.h> |
| 27 | #include <fcntl.h> |
| 28 | |
| 29 | #include "mdvi.h" |
| 30 | #include "private.h" |
| 31 | #include "color.h" |
| 32 | |
| 33 | typedef int (*DviCommand) __PROTO((DviContext *, int))(DviContext *, int); |
| 34 | |
| 35 | #define DVICMDDEF(x)static int x (DviContext *, int) static int x __PROTO((DviContext *, int))(DviContext *, int) |
| 36 | |
| 37 | DVICMDDEF(set_char)static int set_char (DviContext *, int); |
| 38 | DVICMDDEF(set_rule)static int set_rule (DviContext *, int); |
| 39 | DVICMDDEF(no_op)static int no_op (DviContext *, int); |
| 40 | DVICMDDEF(push)static int push (DviContext *, int); |
| 41 | DVICMDDEF(pop)static int pop (DviContext *, int); |
| 42 | DVICMDDEF(move_right)static int move_right (DviContext *, int); |
| 43 | DVICMDDEF(move_down)static int move_down (DviContext *, int); |
| 44 | DVICMDDEF(move_w)static int move_w (DviContext *, int); |
| 45 | DVICMDDEF(move_x)static int move_x (DviContext *, int); |
| 46 | DVICMDDEF(move_y)static int move_y (DviContext *, int); |
| 47 | DVICMDDEF(move_z)static int move_z (DviContext *, int); |
| 48 | DVICMDDEF(sel_font)static int sel_font (DviContext *, int); |
| 49 | DVICMDDEF(sel_fontn)static int sel_fontn (DviContext *, int); |
| 50 | DVICMDDEF(special)static int special (DviContext *, int); |
| 51 | DVICMDDEF(def_font)static int def_font (DviContext *, int); |
| 52 | DVICMDDEF(undefined)static int undefined (DviContext *, int); |
| 53 | DVICMDDEF(unexpected)static int unexpected (DviContext *, int); |
| 54 | |
| 55 | static const DviCommand dvi_commands[] = { |
| 56 | set_char, set_char, set_char, set_char, |
| 57 | set_char, set_char, set_char, set_char, |
| 58 | set_char, set_char, set_char, set_char, |
| 59 | set_char, set_char, set_char, set_char, |
| 60 | set_char, set_char, set_char, set_char, |
| 61 | set_char, set_char, set_char, set_char, |
| 62 | set_char, set_char, set_char, set_char, |
| 63 | set_char, set_char, set_char, set_char, |
| 64 | set_char, set_char, set_char, set_char, |
| 65 | set_char, set_char, set_char, set_char, |
| 66 | set_char, set_char, set_char, set_char, |
| 67 | set_char, set_char, set_char, set_char, |
| 68 | set_char, set_char, set_char, set_char, |
| 69 | set_char, set_char, set_char, set_char, |
| 70 | set_char, set_char, set_char, set_char, |
| 71 | set_char, set_char, set_char, set_char, |
| 72 | set_char, set_char, set_char, set_char, |
| 73 | set_char, set_char, set_char, set_char, |
| 74 | set_char, set_char, set_char, set_char, |
| 75 | set_char, set_char, set_char, set_char, |
| 76 | set_char, set_char, set_char, set_char, |
| 77 | set_char, set_char, set_char, set_char, |
| 78 | set_char, set_char, set_char, set_char, |
| 79 | set_char, set_char, set_char, set_char, |
| 80 | set_char, set_char, set_char, set_char, |
| 81 | set_char, set_char, set_char, set_char, |
| 82 | set_char, set_char, set_char, set_char, |
| 83 | set_char, set_char, set_char, set_char, |
| 84 | set_char, set_char, set_char, set_char, |
| 85 | set_char, set_char, set_char, set_char, |
| 86 | set_char, set_char, set_char, set_char, |
| 87 | set_char, set_char, set_char, set_char, /* 0 - 127 */ |
| 88 | set_char, set_char, set_char, set_char, /* 128 - 131 */ |
| 89 | set_rule, /* 132 */ |
| 90 | set_char, set_char, set_char, set_char, /* 133 - 136 */ |
| 91 | set_rule, /* 137 */ |
| 92 | no_op, /* 138 */ |
| 93 | unexpected, /* 139 (BOP) */ |
| 94 | unexpected, /* 140 (EOP) */ |
| 95 | push, /* 141 */ |
| 96 | pop, /* 142 */ |
| 97 | move_right, move_right, move_right, move_right, /* 143 - 146 */ |
| 98 | move_w, move_w, move_w, move_w, move_w, /* 147 - 151 */ |
| 99 | move_x, move_x, move_x, move_x, move_x, /* 152 - 156 */ |
| 100 | move_down, move_down, move_down, move_down, /* 157 - 160 */ |
| 101 | move_y, move_y, move_y, move_y, move_y, /* 161 - 165 */ |
| 102 | move_z, move_z, move_z, move_z, move_z, /* 166 - 170 */ |
| 103 | sel_font, sel_font, sel_font, sel_font, |
| 104 | sel_font, sel_font, sel_font, sel_font, |
| 105 | sel_font, sel_font, sel_font, sel_font, |
| 106 | sel_font, sel_font, sel_font, sel_font, |
| 107 | sel_font, sel_font, sel_font, sel_font, |
| 108 | sel_font, sel_font, sel_font, sel_font, |
| 109 | sel_font, sel_font, sel_font, sel_font, |
| 110 | sel_font, sel_font, sel_font, sel_font, |
| 111 | sel_font, sel_font, sel_font, sel_font, |
| 112 | sel_font, sel_font, sel_font, sel_font, |
| 113 | sel_font, sel_font, sel_font, sel_font, |
| 114 | sel_font, sel_font, sel_font, sel_font, |
| 115 | sel_font, sel_font, sel_font, sel_font, |
| 116 | sel_font, sel_font, sel_font, sel_font, |
| 117 | sel_font, sel_font, sel_font, sel_font, |
| 118 | sel_font, sel_font, sel_font, sel_font, /* 171 - 234 */ |
| 119 | sel_fontn, sel_fontn, sel_fontn, sel_fontn, /* 235 - 238 */ |
| 120 | special, special, special, special, /* 239 - 242 */ |
| 121 | def_font, def_font, def_font, def_font, /* 243 - 246 */ |
| 122 | unexpected, /* 247 (PRE) */ |
| 123 | unexpected, /* 248 (POST) */ |
| 124 | unexpected, /* 249 (POST_POST) */ |
| 125 | undefined, undefined, undefined, |
| 126 | undefined, undefined, undefined /* 250 - 255 */ |
| 127 | }; |
| 128 | |
| 129 | #define DVI_BUFLEN4096 4096 |
| 130 | |
| 131 | static int mdvi_run_macro(DviContext *dvi, Uchar *macro, size_t len); |
| 132 | |
| 133 | static void dummy_draw_glyph(DviContext *dvi, DviFontChar *ch, int x, int y) |
| 134 | { |
| 135 | } |
| 136 | |
| 137 | static void dummy_draw_rule(DviContext *dvi, int x, int y, Uint w, Uint h, int f) |
| 138 | { |
| 139 | } |
| 140 | |
| 141 | static int dummy_alloc_colors(void *a, Ulong *b, int c, Ulong d, Ulong e, double f, int g) |
| 142 | { |
| 143 | return -1; |
| 144 | } |
| 145 | |
| 146 | static void *dummy_create_image(void *a, Uint b, Uint c, Uint d) |
| 147 | { |
| 148 | return NULL((void*)0); |
| 149 | } |
| 150 | |
| 151 | static void dummy_free_image(void *a) |
| 152 | { |
| 153 | } |
| 154 | |
| 155 | static void dummy_dev_destroy(void *a) |
| 156 | { |
| 157 | } |
| 158 | |
| 159 | static void dummy_dev_putpixel(void *a, int x, int y, Ulong c) |
| 160 | { |
| 161 | } |
| 162 | |
| 163 | static void dummy_dev_refresh(DviContext *a, void *b) |
| 164 | { |
| 165 | } |
| 166 | |
| 167 | static void dummy_dev_set_color(void *a, Ulong b, Ulong c) |
| 168 | { |
| 169 | } |
| 170 | |
| 171 | /* functions to report errors */ |
| 172 | static void dvierr(DviContext *dvi, const char *format, ...) |
| 173 | { |
| 174 | va_list ap; |
| 175 | |
| 176 | va_start(ap, format)__builtin_va_start(ap, format); |
| 177 | fprintf(stderrstderr, "%s[%d]: Error: ", |
| 178 | dvi->filename, dvi->currpage); |
| 179 | vfprintf(stderrstderr, format, ap); |
| 180 | va_end(ap)__builtin_va_end(ap); |
| 181 | } |
| 182 | |
| 183 | static void dviwarn(DviContext *dvi, const char *format, ...) |
| 184 | { |
| 185 | va_list ap; |
| 186 | |
| 187 | fprintf(stderrstderr, "%s[%d]: Warning: ", |
| 188 | dvi->filename, dvi->currpage); |
| 189 | va_start(ap, format)__builtin_va_start(ap, format); |
| 190 | vfprintf(stderrstderr, format, ap); |
| 191 | va_end(ap)__builtin_va_end(ap); |
| 192 | } |
| 193 | |
| 194 | #define NEEDBYTES(d,n)((d)->buffer.pos + (n) > (d)->buffer.length) \ |
| 195 | ((d)->buffer.pos + (n) > (d)->buffer.length) |
| 196 | |
| 197 | static int get_bytes(DviContext *dvi, size_t n) |
| 198 | { |
| 199 | /* |
| 200 | * caller wants to read `n' bytes from dvi->buffer + dvi->pos. |
| 201 | * Make sure there is enough data to satisfy the request |
| 202 | */ |
| 203 | if(NEEDBYTES(dvi, n)((dvi)->buffer.pos + (n) > (dvi)->buffer.length)) { |
| 204 | size_t required; |
| 205 | int newlen; |
| 206 | |
| 207 | if(dvi->buffer.frozen || dvi->in == NULL((void*)0) || feof(dvi->in)) { |
| 208 | /* this is EOF */ |
| 209 | dviwarn(dvi, _("unexpected EOF\n")gettext("unexpected EOF\n")); |
| 210 | return -1; |
| 211 | } |
| 212 | /* get more data */ |
| 213 | if(dvi->buffer.data == NULL((void*)0)) { |
| 214 | /* first allocation */ |
| 215 | dvi->buffer.size = Max(DVI_BUFLEN, n)(((4096) > (n)) ? (4096) : (n)); |
| 216 | dvi->buffer.data = (Uchar *)mdvi_malloc(dvi->buffer.size); |
| 217 | dvi->buffer.length = 0; |
| 218 | dvi->buffer.frozen = 0; |
| 219 | } else if(dvi->buffer.pos < dvi->buffer.length) { |
| 220 | /* move whatever we want to keep */ |
| 221 | dvi->buffer.length -= dvi->buffer.pos; |
| 222 | memmove(dvi->buffer.data, |
| 223 | dvi->buffer.data + dvi->buffer.pos, |
| 224 | dvi->buffer.length); |
| 225 | } else { |
| 226 | /* we can discard all the data in this buffer */ |
| 227 | dvi->buffer.length = 0; |
| 228 | } |
| 229 | |
| 230 | required = n - dvi->buffer.length; |
| 231 | if(required > dvi->buffer.size - dvi->buffer.length) { |
| 232 | /* need to allocate more memory */ |
| 233 | dvi->buffer.size = dvi->buffer.length + required + 128; |
| 234 | dvi->buffer.data = (Uchar *)xresize(dvi->buffer.data,(char *)mdvi_realloc((dvi->buffer.data), (dvi->buffer.size ) * sizeof(char)) |
| 235 | char, dvi->buffer.size)(char *)mdvi_realloc((dvi->buffer.data), (dvi->buffer.size ) * sizeof(char)); |
| 236 | } |
| 237 | /* now read into the buffer */ |
| 238 | newlen = fread(dvi->buffer.data + dvi->buffer.length, |
| 239 | 1, dvi->buffer.size - dvi->buffer.length, dvi->in); |
| 240 | if(newlen == -1) { |
| 241 | mdvi_error("%s: %s\n", dvi->filename, strerror(errno(*__errno_location ()))); |
| 242 | return -1; |
| 243 | } |
| 244 | dvi->buffer.length += newlen; |
| 245 | dvi->buffer.pos = 0; |
| 246 | } |
| 247 | return 0; |
| 248 | } |
| 249 | |
| 250 | /* only relative forward seeks are supported by this function */ |
| 251 | static int dskip(DviContext *dvi, long offset) |
| 252 | { |
| 253 | ASSERT(offset > 0)do { if(!(offset > 0)) mdvi_crash("%s:%d: Assertion %s failed\n" , "dviread.c", 253, "offset > 0"); } while(0); |
| 254 | |
| 255 | if(NEEDBYTES(dvi, offset)((dvi)->buffer.pos + (offset) > (dvi)->buffer.length ) && get_bytes(dvi, offset) == -1) |
| 256 | return -1; |
| 257 | dvi->buffer.pos += offset; |
| 258 | return 0; |
| 259 | } |
| 260 | |
| 261 | /* DVI I/O functions (note: here `n' must be <= 4) */ |
| 262 | static long dsgetn(DviContext *dvi, size_t n) |
| 263 | { |
| 264 | long val; |
| 265 | |
| 266 | if(NEEDBYTES(dvi, n)((dvi)->buffer.pos + (n) > (dvi)->buffer.length) && get_bytes(dvi, n) == -1) |
| 267 | return -1; |
| 268 | val = msgetn(dvi->buffer.data + dvi->buffer.pos, n); |
| 269 | dvi->buffer.pos += n; |
| 270 | return val; |
| 271 | } |
| 272 | |
| 273 | static int dread(DviContext *dvi, char *buffer, size_t len) |
| 274 | { |
| 275 | if(NEEDBYTES(dvi, len)((dvi)->buffer.pos + (len) > (dvi)->buffer.length) && get_bytes(dvi, len) == -1) |
| 276 | return -1; |
| 277 | memcpy(buffer, dvi->buffer.data + dvi->buffer.pos, len)bcopy ((dvi->buffer.data + dvi->buffer.pos), (buffer), ( len)); |
| 278 | dvi->buffer.pos += len; |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | static long dugetn(DviContext *dvi, size_t n) |
| 283 | { |
| 284 | long val; |
| 285 | |
| 286 | if(NEEDBYTES(dvi, n)((dvi)->buffer.pos + (n) > (dvi)->buffer.length) && get_bytes(dvi, n) == -1) |
| 287 | return -1; |
| 288 | val = mugetn(dvi->buffer.data + dvi->buffer.pos, n); |
| 289 | dvi->buffer.pos += n; |
| 290 | return val; |
| 291 | } |
| 292 | |
| 293 | static long dtell(DviContext *dvi) |
| 294 | { |
| 295 | return dvi->depth ? |
| 296 | dvi->buffer.pos : |
| 297 | ftell(dvi->in) - dvi->buffer.length + dvi->buffer.pos; |
| 298 | } |
| 299 | |
| 300 | static void dreset(DviContext *dvi) |
| 301 | { |
| 302 | if(!dvi->buffer.frozen && dvi->buffer.data) |
| 303 | mdvi_free(dvi->buffer.data); |
| 304 | dvi->buffer.data = NULL((void*)0); |
| 305 | dvi->buffer.size = 0; |
| 306 | dvi->buffer.length = 0; |
| 307 | dvi->buffer.pos = 0; |
| 308 | } |
| 309 | |
| 310 | #define dsget1(d)dsgetn((d), 1) dsgetn((d), 1) |
| 311 | #define dsget2(d)dsgetn((d), 2) dsgetn((d), 2) |
| 312 | #define dsget3(d)dsgetn((d), 3) dsgetn((d), 3) |
| 313 | #define dsget4(d)dsgetn((d), 4) dsgetn((d), 4) |
| 314 | #define duget1(d)dugetn((d), 1) dugetn((d), 1) |
| 315 | #define duget2(d)dugetn((d), 2) dugetn((d), 2) |
| 316 | #define duget3(d)dugetn((d), 3) dugetn((d), 3) |
| 317 | #define duget4(d)dugetn((d), 4) dugetn((d), 4) |
| 318 | |
| 319 | #ifndef NODEBUG |
| 320 | static void dviprint(DviContext *dvi, const char *command, int sub, const char *fmt, ...) |
| 321 | { |
| 322 | int i; |
| 323 | va_list ap; |
| 324 | |
| 325 | printf("%s: ", dvi->filename); |
| 326 | for(i = 0; i < dvi->depth; i++) |
| 327 | printf(" "); |
| 328 | printf("%4lu: %s", dtell(dvi), command); |
| 329 | if(sub >= 0) printf("%d", sub); |
| 330 | if(*fmt) printf(": "); |
| 331 | va_start(ap, fmt)__builtin_va_start(ap, fmt); |
| 332 | vprintf(fmt, ap); |
| 333 | va_end(ap)__builtin_va_end(ap); |
| 334 | } |
| 335 | #define SHOWCMD(x)if(_mdvi_debug_mask & (1 << 0)) do { dviprint x; } while (0) \ |
| 336 | if(_mdvi_debug_mask & DBG_OPCODE(1 << 0)) do { dviprint x; } while(0) |
| 337 | #else |
| 338 | #define SHOWCMD(x)if(_mdvi_debug_mask & (1 << 0)) do { dviprint x; } while (0) do { } while(0) |
| 339 | #endif |
| 340 | |
| 341 | int mdvi_find_tex_page(DviContext *dvi, int tex_page) |
| 342 | { |
| 343 | int i; |
| 344 | |
| 345 | for(i = 0; i < dvi->npages; i++) |
| 346 | if(dvi->pagemap[i][1] == tex_page) |
| 347 | return i; |
| 348 | return -1; |
| 349 | } |
| 350 | |
| 351 | /* page sorting functions */ |
| 352 | static int sort_up(const void *p1, const void *p2) |
| 353 | { |
| 354 | return ((long *)p1)[1] - ((long *)p2)[1]; |
| 355 | } |
| 356 | static int sort_down(const void *p1, const void *p2) |
| 357 | { |
| 358 | return ((long *)p2)[1] - ((long *)p1)[1]; |
| 359 | } |
| 360 | static int sort_random(const void *p1, const void *p2) |
| 361 | { |
| 362 | return (rand() % 1) ? -1 : 1; |
| 363 | } |
| 364 | static int sort_dvi_up(const void *p1, const void *p2) |
| 365 | { |
| 366 | return ((long *)p1)[0] - ((long *)p2)[0]; |
| 367 | } |
| 368 | static int sort_dvi_down(const void *p1, const void *p2) |
| 369 | { |
| 370 | return ((long *)p1)[0] - ((long *)p2)[0]; |
| 371 | } |
| 372 | |
| 373 | void mdvi_sort_pages(DviContext *dvi, DviPageSort type) |
| 374 | { |
| 375 | int (*sortfunc) __PROTO((const void *, const void *))(const void *, const void *); |
| 376 | |
| 377 | switch(type) { |
| 378 | case MDVI_PAGE_SORT_UP: |
| 379 | sortfunc = sort_up; |
| 380 | break; |
| 381 | case MDVI_PAGE_SORT_DOWN: |
| 382 | sortfunc = sort_down; |
| 383 | break; |
| 384 | case MDVI_PAGE_SORT_RANDOM: |
| 385 | sortfunc = sort_random; |
| 386 | break; |
| 387 | case MDVI_PAGE_SORT_DVI_UP: |
| 388 | sortfunc = sort_dvi_up; |
| 389 | break; |
| 390 | case MDVI_PAGE_SORT_DVI_DOWN: |
| 391 | sortfunc = sort_dvi_down; |
| 392 | break; |
| 393 | case MDVI_PAGE_SORT_NONE: |
| 394 | default: |
| 395 | sortfunc = NULL((void*)0); |
| 396 | break; |
| 397 | } |
| 398 | |
| 399 | if(sortfunc) |
| 400 | qsort(dvi->pagemap, dvi->npages, sizeof(PageNum), sortfunc); |
| 401 | } |
| 402 | |
| 403 | static DviFontRef *define_font(DviContext *dvi, int op) |
| 404 | { |
| 405 | Int32 arg; |
| 406 | Int32 scale; |
| 407 | Int32 dsize; |
| 408 | Int32 checksum; |
| 409 | int hdpi; |
| 410 | int vdpi; |
| 411 | int n; |
| 412 | char *name; |
| 413 | DviFontRef *ref; |
| 414 | |
| 415 | arg = dugetn(dvi, op - DVI_FNT_DEF1243 + 1); |
| 416 | checksum = duget4(dvi)dugetn((dvi), 4); |
| 417 | scale = duget4(dvi)dugetn((dvi), 4); |
| 418 | dsize = duget4(dvi)dugetn((dvi), 4); |
| 419 | hdpi = FROUND(dvi->params.mag * dvi->params.dpi * scale / dsize)(int)((dvi->params.mag * dvi->params.dpi * scale / dsize ) + 0.5); |
| 420 | vdpi = FROUND(dvi->params.mag * dvi->params.vdpi * scale / dsize)(int)((dvi->params.mag * dvi->params.vdpi * scale / dsize ) + 0.5); |
| 421 | n = duget1(dvi)dugetn((dvi), 1) + duget1(dvi)dugetn((dvi), 1); |
| 422 | name = mdvi_malloc(n + 1); |
| 423 | dread(dvi, name, n); |
| 424 | name[n] = 0; |
| 425 | DEBUG((DBG_FONTS, "requesting font %d = `%s' at %.1fpt (%dx%d dpi)\n",__debug ((1 << 1), "requesting font %d = `%s' at %.1fpt (%dx%d dpi)\n" , arg, name, (double)scale / (dvi->params.tfm_conv * 0x100000 ), hdpi, vdpi) |
| 426 | arg, name, (double)scale / (dvi->params.tfm_conv * 0x100000),__debug ((1 << 1), "requesting font %d = `%s' at %.1fpt (%dx%d dpi)\n" , arg, name, (double)scale / (dvi->params.tfm_conv * 0x100000 ), hdpi, vdpi) |
| 427 | hdpi, vdpi))__debug ((1 << 1), "requesting font %d = `%s' at %.1fpt (%dx%d dpi)\n" , arg, name, (double)scale / (dvi->params.tfm_conv * 0x100000 ), hdpi, vdpi); |
| 428 | ref = font_reference(&dvi->params, arg, name, checksum, hdpi, vdpi, scale); |
| 429 | if(ref == NULL((void*)0)) { |
| 430 | mdvi_error(_("could not load font `%s'\n")gettext("could not load font `%s'\n"), name); |
| 431 | mdvi_free(name); |
| 432 | return NULL((void*)0); |
| 433 | } |
| 434 | mdvi_free(name); |
| 435 | return ref; |
| 436 | } |
| 437 | |
| 438 | static char *opendvi(const char *name) |
| 439 | { |
| 440 | int len; |
| 441 | char *file; |
| 442 | |
| 443 | len = strlen(name); |
| 444 | /* if file ends with .dvi and it exists, that's it */ |
| 445 | if(len >= 4 && STREQ(name+len-4, ".dvi")(((name+len-4) != ((void*)0)) && ((".dvi") != ((void* )0)) && (strcmp (name+len-4, ".dvi") == 0))) { |
| 446 | DEBUG((DBG_DVI|DBG_FILES, "opendvi: Trying `%s'\n", name))__debug ((1 << 3)|(1 << 2), "opendvi: Trying `%s'\n" , name); |
| 447 | if(access(name, R_OK4) == 0) |
| 448 | return mdvi_strdup(name); |
| 449 | } |
| 450 | |
| 451 | /* try appending .dvi */ |
| 452 | file = mdvi_malloc(len + 5); |
| 453 | strcpy(file, name); |
| 454 | strcpy(file+len, ".dvi"); |
| 455 | DEBUG((DBG_DVI|DBG_FILES, "opendvi: Trying `%s'\n", file))__debug ((1 << 3)|(1 << 2), "opendvi: Trying `%s'\n" , file); |
| 456 | if(access(file, R_OK4) == 0) |
| 457 | return file; |
| 458 | /* try the given name */ |
| 459 | file[len] = 0; |
| 460 | DEBUG((DBG_DVI|DBG_FILES, "opendvi: Trying `%s'\n", file))__debug ((1 << 3)|(1 << 2), "opendvi: Trying `%s'\n" , file); |
| 461 | if(access(file, R_OK4) == 0) |
| 462 | return file; |
| 463 | mdvi_free(file); |
| 464 | return NULL((void*)0); |
| 465 | } |
| 466 | |
| 467 | int mdvi_reload(DviContext *dvi, DviParams *np) |
| 468 | { |
| 469 | DviContext *newdvi; |
| 470 | DviParams *pars; |
| 471 | |
| 472 | /* close our file */ |
| 473 | if(dvi->in) { |
| 474 | fclosekpse_fclose_trace(dvi->in); |
| 475 | dvi->in = NULL((void*)0); |
| 476 | } |
| 477 | |
| 478 | pars = np ? np : &dvi->params; |
| 479 | DEBUG((DBG_DVI, "%s: reloading\n", dvi->filename))__debug ((1 << 3), "%s: reloading\n", dvi->filename); |
| 480 | |
| 481 | /* load it again */ |
| 482 | newdvi = mdvi_init_context(pars, dvi->pagesel, dvi->filename); |
| 483 | if(newdvi == NULL((void*)0)) { |
| 484 | mdvi_warning(_("could not reload `%s'\n")gettext("could not reload `%s'\n"), dvi->filename); |
| 485 | return -1; |
| 486 | } |
| 487 | |
| 488 | /* drop all our font references */ |
| 489 | font_drop_chain(dvi->fonts); |
| 490 | /* destroy our font map */ |
| 491 | if(dvi->fontmap) |
| 492 | mdvi_free(dvi->fontmap); |
| 493 | dvi->currfont = NULL((void*)0); |
| 494 | |
| 495 | /* and use the ones we just loaded */ |
| 496 | dvi->fonts = newdvi->fonts; |
| 497 | dvi->fontmap = newdvi->fontmap; |
| 498 | dvi->nfonts = newdvi->nfonts; |
| 499 | |
| 500 | /* copy the new information */ |
| 501 | dvi->params = newdvi->params; |
| 502 | dvi->num = newdvi->num; |
| 503 | dvi->den = newdvi->den; |
| 504 | dvi->dvimag = newdvi->dvimag; |
| 505 | dvi->dviconv = newdvi->dviconv; |
| 506 | dvi->dvivconv = newdvi->dvivconv; |
| 507 | dvi->modtime = newdvi->modtime; |
| 508 | |
| 509 | if(dvi->fileid) mdvi_free(dvi->fileid); |
| 510 | dvi->fileid = newdvi->fileid; |
| 511 | |
| 512 | dvi->dvi_page_w = newdvi->dvi_page_w; |
| 513 | dvi->dvi_page_h = newdvi->dvi_page_h; |
| 514 | |
| 515 | mdvi_free(dvi->pagemap); |
| 516 | dvi->pagemap = newdvi->pagemap; |
| 517 | dvi->npages = newdvi->npages; |
| 518 | if(dvi->currpage > dvi->npages-1) |
| 519 | dvi->currpage = 0; |
| 520 | |
| 521 | mdvi_free(dvi->stack); |
| 522 | dvi->stack = newdvi->stack; |
| 523 | dvi->stacksize = newdvi->stacksize; |
| 524 | |
| 525 | /* remove fonts that are not being used anymore */ |
| 526 | font_free_unused(&dvi->device); |
| 527 | |
| 528 | mdvi_free(newdvi->filename); |
| 529 | mdvi_free(newdvi); |
| 530 | |
| 531 | DEBUG((DBG_DVI, "%s: reload successful\n", dvi->filename))__debug ((1 << 3), "%s: reload successful\n", dvi->filename ); |
| 532 | if(dvi->device.refresh) |
| 533 | dvi->device.refresh(dvi, dvi->device.device_data); |
| 534 | |
| 535 | return 0; |
| 536 | } |
| 537 | |
| 538 | /* function to change parameters ia DVI context |
| 539 | * The DVI context is modified ONLY if this function is successful */ |
| 540 | int mdvi_configure(DviContext *dvi, DviParamCode option, ...) |
| 541 | { |
| 542 | va_list ap; |
| 543 | int reset_all; |
| 544 | int reset_font; |
| 545 | DviParams np; |
| 546 | |
| 547 | va_start(ap, option)__builtin_va_start(ap, option); |
| 548 | |
| 549 | reset_font = 0; |
| 550 | reset_all = 0; |
| 551 | np = dvi->params; /* structure copy */ |
| 552 | while(option != MDVI_PARAM_LAST) { |
| 553 | switch(option) { |
| 554 | case MDVI_SET_DPI: |
| 555 | np.dpi = np.vdpi = va_arg(ap, Uint)__builtin_va_arg(ap, Uint); |
| 556 | reset_all = 1; |
| 557 | break; |
| 558 | case MDVI_SET_XDPI: |
| 559 | np.dpi = va_arg(ap, Uint)__builtin_va_arg(ap, Uint); |
| 560 | reset_all = 1; |
| 561 | break; |
| 562 | case MDVI_SET_YDPI: |
| 563 | np.vdpi = va_arg(ap, Uint)__builtin_va_arg(ap, Uint); |
| 564 | break; |
| 565 | case MDVI_SET_SHRINK: |
| 566 | np.hshrink = np.vshrink = va_arg(ap, Uint)__builtin_va_arg(ap, Uint); |
| 567 | reset_font = MDVI_FONTSEL_GREY(1 << 1)|MDVI_FONTSEL_BITMAP(1 << 0); |
| 568 | break; |
| 569 | case MDVI_SET_XSHRINK: |
| 570 | np.hshrink = va_arg(ap, Uint)__builtin_va_arg(ap, Uint); |
| 571 | reset_font = MDVI_FONTSEL_GREY(1 << 1)|MDVI_FONTSEL_BITMAP(1 << 0); |
| 572 | break; |
| 573 | case MDVI_SET_YSHRINK: |
| 574 | np.vshrink = va_arg(ap, Uint)__builtin_va_arg(ap, Uint); |
| 575 | reset_font = MDVI_FONTSEL_GREY(1 << 1)|MDVI_FONTSEL_BITMAP(1 << 0); |
| 576 | break; |
| 577 | case MDVI_SET_ORIENTATION: |
| 578 | np.orientation = va_arg(ap, DviOrientation)__builtin_va_arg(ap, DviOrientation); |
| 579 | reset_font = MDVI_FONTSEL_GLYPH(1 << 2); |
| 580 | break; |
| 581 | case MDVI_SET_GAMMA: |
| 582 | np.gamma = va_arg(ap, double)__builtin_va_arg(ap, double); |
| 583 | reset_font = MDVI_FONTSEL_GREY(1 << 1); |
| 584 | break; |
| 585 | case MDVI_SET_DENSITY: |
| 586 | np.density = va_arg(ap, Uint)__builtin_va_arg(ap, Uint); |
| 587 | reset_font = MDVI_FONTSEL_BITMAP(1 << 0); |
| 588 | break; |
| 589 | case MDVI_SET_MAGNIFICATION: |
| 590 | np.mag = va_arg(ap, double)__builtin_va_arg(ap, double); |
| 591 | reset_all = 1; |
| 592 | break; |
| 593 | case MDVI_SET_DRIFT: |
| 594 | np.hdrift = np.vdrift = va_arg(ap, int)__builtin_va_arg(ap, int); |
| 595 | break; |
| 596 | case MDVI_SET_HDRIFT: |
| 597 | np.hdrift = va_arg(ap, int)__builtin_va_arg(ap, int); |
| 598 | break; |
| 599 | case MDVI_SET_VDRIFT: |
| 600 | np.vdrift = va_arg(ap, int)__builtin_va_arg(ap, int); |
| 601 | break; |
| 602 | case MDVI_SET_FOREGROUND: |
| 603 | np.fg = va_arg(ap, Ulong)__builtin_va_arg(ap, Ulong); |
| 604 | reset_font = MDVI_FONTSEL_GREY(1 << 1); |
| 605 | break; |
| 606 | case MDVI_SET_BACKGROUND: |
| 607 | np.bg = va_arg(ap, Ulong)__builtin_va_arg(ap, Ulong); |
| 608 | reset_font = MDVI_FONTSEL_GREY(1 << 1); |
| 609 | break; |
| 610 | default: |
| 611 | break; |
| 612 | } |
| 613 | option = va_arg(ap, DviParamCode)__builtin_va_arg(ap, DviParamCode); |
| 614 | } |
| 615 | va_end(ap)__builtin_va_end(ap); |
| 616 | |
| 617 | /* check that all values make sense */ |
| 618 | if(np.dpi <= 0 || np.vdpi <= 0) |
| 619 | return -1; |
| 620 | if(np.mag <= 0.0) |
| 621 | return -1; |
| 622 | if(np.density < 0) |
| 623 | return -1; |
| 624 | if(np.hshrink < 1 || np.vshrink < 1) |
| 625 | return -1; |
| 626 | if(np.hdrift < 0 || np.vdrift < 0) |
| 627 | return -1; |
| 628 | if(np.fg == np.bg) |
| 629 | return -1; |
| 630 | |
| 631 | /* |
| 632 | * If the dpi or the magnification change, we basically have to reload |
| 633 | * the DVI file again from scratch. |
| 634 | */ |
| 635 | |
| 636 | if(reset_all) |
| 637 | return (mdvi_reload(dvi, &np) == 0); |
| 638 | |
| 639 | if(np.hshrink != dvi->params.hshrink) { |
| 640 | np.conv = dvi->dviconv; |
| 641 | if(np.hshrink) |
| 642 | np.conv /= np.hshrink; |
| 643 | } |
| 644 | if(np.vshrink != dvi->params.vshrink) { |
| 645 | np.vconv = dvi->dvivconv; |
| 646 | if(np.vshrink) |
| 647 | np.vconv /= np.vshrink; |
| 648 | } |
| 649 | |
| 650 | if(reset_font) { |
| 651 | font_reset_chain_glyphs(&dvi->device, dvi->fonts, reset_font); |
| 652 | } |
| 653 | dvi->params = np; |
| 654 | if((reset_font & MDVI_FONTSEL_GLYPH(1 << 2)) && dvi->device.refresh) { |
| 655 | dvi->device.refresh(dvi, dvi->device.device_data); |
| 656 | return 0; |
| 657 | } |
| 658 | |
| 659 | return 1; |
| 660 | } |
| 661 | /* |
| 662 | * Read the initial data from the DVI file. If something is wrong with the |
| 663 | * file, we just spit out an error message and refuse to load the file, |
| 664 | * without giving any details. This makes sense because DVI files are ok |
| 665 | * 99.99% of the time, and dvitype(1) can be used to check the other 0.01%. |
| 666 | */ |
| 667 | DviContext *mdvi_init_context(DviParams *par, DviPageSpec *spec, const char *file) |
| 668 | { |
| 669 | FILE *p; |
| 670 | Int32 arg; |
| 671 | int op; |
| 672 | long offset; |
| 673 | int n; |
| 674 | DviContext *dvi; |
| 675 | char *filename; |
| 676 | int pagecount; |
| 677 | |
| 678 | /* |
| 679 | * 1. Open the file and initialize the DVI context |
| 680 | */ |
| 681 | |
| 682 | filename = opendvi(file); |
| 683 | if(filename == NULL((void*)0)) { |
| 684 | perror(file); |
| 685 | return NULL((void*)0); |
| 686 | } |
| 687 | p = fopenkpse_fopen_trace(filename, "rb"); |
| 688 | if(p == NULL((void*)0)) { |
| 689 | perror(file); |
| 690 | mdvi_free(filename); |
| 691 | return NULL((void*)0); |
| 692 | } |
| 693 | dvi = xalloc(DviContext)(DviContext *)mdvi_malloc(sizeof(DviContext)); |
| 694 | memzero(dvi, sizeof(DviContext))memset((dvi), 0, (sizeof(DviContext))); |
| 695 | dvi->pagemap = NULL((void*)0); |
| 696 | dvi->filename = filename; |
| 697 | dvi->stack = NULL((void*)0); |
| 698 | dvi->modtime = get_mtime(fileno(p)); |
| 699 | dvi->buffer.data = NULL((void*)0); |
| 700 | dvi->pagesel = spec; |
| 701 | dvi->in = p; /* now we can use the dget*() functions */ |
| 702 | |
| 703 | /* |
| 704 | * 2. Read the preamble, extract scaling information, and |
| 705 | * setup the DVI parameters. |
| 706 | */ |
| 707 | |
| 708 | if(fuget1(p)((unsigned)getc(p)) != DVI_PRE247) |
| 709 | goto bad_dvi; |
| 710 | if((arg = fuget1(p)((unsigned)getc(p))) != DVI_ID2) { |
| 711 | mdvi_error(_("%s: unsupported DVI format (version %u)\n")gettext("%s: unsupported DVI format (version %u)\n"), |
| 712 | file, arg); |
| 713 | goto error; /* jump to the end of this routine, |
| 714 | * where we handle errors */ |
| 715 | } |
| 716 | /* get dimensions */ |
| 717 | dvi->num = fuget4(p)fugetn((p), 4); |
| 718 | dvi->den = fuget4(p)fugetn((p), 4); |
| 719 | dvi->dvimag = fuget4(p)fugetn((p), 4); |
| 720 | |
| 721 | /* check that these numbers make sense */ |
| 722 | if(!dvi->num || !dvi->den || !dvi->dvimag) |
| 723 | goto bad_dvi; |
| 724 | |
| 725 | dvi->params.mag = |
| 726 | (par->mag > 0 ? par->mag : (double)dvi->dvimag / 1000.0); |
| 727 | dvi->params.hdrift = par->hdrift; |
| 728 | dvi->params.vdrift = par->vdrift; |
| 729 | dvi->params.dpi = par->dpi ? par->dpi : MDVI_DPI600; |
| 730 | dvi->params.vdpi = par->vdpi ? par->vdpi : par->dpi; |
| 731 | dvi->params.hshrink = par->hshrink; |
| 732 | dvi->params.vshrink = par->vshrink; |
| 733 | dvi->params.density = par->density; |
| 734 | dvi->params.gamma = par->gamma; |
| 735 | dvi->params.conv = (double)dvi->num / dvi->den; |
| 736 | dvi->params.conv *= (dvi->params.dpi / 254000.0) * dvi->params.mag; |
| 737 | dvi->params.vconv = (double)dvi->num / dvi->den; |
| 738 | dvi->params.vconv *= (dvi->params.vdpi / 254000.0) * dvi->params.mag; |
| 739 | dvi->params.tfm_conv = (25400000.0 / dvi->num) * |
| 740 | ((double)dvi->den / 473628672) / 16.0; |
| 741 | dvi->params.flags = par->flags; |
| 742 | dvi->params.orientation = par->orientation; |
| 743 | dvi->params.fg = par->fg; |
| 744 | dvi->params.bg = par->bg; |
| 745 | |
| 746 | /* initialize colors */ |
| 747 | dvi->curr_fg = par->fg; |
| 748 | dvi->curr_bg = par->bg; |
| 749 | dvi->color_stack = NULL((void*)0); |
| 750 | dvi->color_top = 0; |
| 751 | dvi->color_size = 0; |
| 752 | |
| 753 | /* pixel conversion factors */ |
| 754 | dvi->dviconv = dvi->params.conv; |
| 755 | dvi->dvivconv = dvi->params.vconv; |
| 756 | if(dvi->params.hshrink) |
| 757 | dvi->params.conv /= dvi->params.hshrink; |
| 758 | if(dvi->params.vshrink) |
| 759 | dvi->params.vconv /= dvi->params.vshrink; |
| 760 | |
| 761 | /* get the comment from the preamble */ |
| 762 | n = fuget1(p)((unsigned)getc(p)); |
| 763 | dvi->fileid = mdvi_malloc(n + 1); |
| 764 | fread(dvi->fileid, 1, n, p); |
| 765 | dvi->fileid[n] = 0; |
| 766 | DEBUG((DBG_DVI, "%s: %s\n", filename, dvi->fileid))__debug ((1 << 3), "%s: %s\n", filename, dvi->fileid ); |
| 767 | |
| 768 | /* |
| 769 | * 3. Read postamble, extract page information (number of |
| 770 | * pages, dimensions) and stack depth. |
| 771 | */ |
| 772 | |
| 773 | /* jump to the end of the file */ |
| 774 | if(fseek(p, (long)-1, SEEK_END2) == -1) |
| 775 | goto error; |
| 776 | for(n = 0; (op = fuget1(p)((unsigned)getc(p))) == DVI_TRAILER223; n++) |
| 777 | if(fseek(p, (long)-2, SEEK_CUR1) < 0) |
| 778 | break; |
| 779 | if(op != arg || n < 4) |
| 780 | goto bad_dvi; |
| 781 | /* get the pointer to postamble */ |
| 782 | fseek(p, (long)-5, SEEK_CUR1); |
| 783 | arg = fuget4(p)fugetn((p), 4); |
| 784 | /* jump to it */ |
| 785 | fseek(p, (long)arg, SEEK_SET0); |
| 786 | if(fuget1(p)((unsigned)getc(p)) != DVI_POST248) |
| 787 | goto bad_dvi; |
| 788 | offset = fuget4(p)fugetn((p), 4); |
| 789 | if(dvi->num != fuget4(p)fugetn((p), 4) || dvi->den != fuget4(p)fugetn((p), 4) || |
| 790 | dvi->dvimag != fuget4(p)fugetn((p), 4)) |
| 791 | goto bad_dvi; |
| 792 | dvi->dvi_page_h = fuget4(p)fugetn((p), 4); |
| 793 | dvi->dvi_page_w = fuget4(p)fugetn((p), 4); |
| 794 | dvi->stacksize = fuget2(p)fugetn((p), 2); |
| 795 | dvi->npages = fuget2(p)fugetn((p), 2); |
| 796 | DEBUG((DBG_DVI, "%s: from postamble: stack depth %d, %d page%s\n",__debug ((1 << 3), "%s: from postamble: stack depth %d, %d page%s\n" , filename, dvi->stacksize, dvi->npages, dvi->npages > 1 ? "s" : "") |
| 797 | filename, dvi->stacksize, dvi->npages, dvi->npages > 1 ? "s" : ""))__debug ((1 << 3), "%s: from postamble: stack depth %d, %d page%s\n" , filename, dvi->stacksize, dvi->npages, dvi->npages > 1 ? "s" : ""); |
| 798 | |
| 799 | /* |
| 800 | * 4. Process font definitions. |
| 801 | */ |
| 802 | |
| 803 | /* process font definitions */ |
| 804 | dvi->nfonts = 0; |
| 805 | dvi->fontmap = NULL((void*)0); |
| 806 | /* |
| 807 | * CAREFUL: here we need to use the dvi->buffer, but it might leave the |
| 808 | * the file cursor in the wrong position after reading fonts (because of |
| 809 | * buffering). It's ok, though, because after the font definitions we read |
| 810 | * the page offsets, and we fseek() to the relevant part of the file with |
| 811 | * SEEK_SET. Nothing is read after the page offsets. |
| 812 | */ |
| 813 | while((op = duget1(dvi)dugetn((dvi), 1)) != DVI_POST_POST249) { |
| 814 | DviFontRef *ref; |
| 815 | |
| 816 | if(op == DVI_NOOP138) |
| 817 | continue; |
| 818 | else if(op < DVI_FNT_DEF1243 || op > DVI_FNT_DEF4246) |
| 819 | goto error; |
| 820 | ref = define_font(dvi, op); |
| 821 | if(ref == NULL((void*)0)) |
| 822 | goto error; |
| 823 | ref->next = dvi->fonts; |
| 824 | dvi->fonts = ref; |
| 825 | dvi->nfonts++; |
| 826 | } |
| 827 | /* we don't need the buffer anymore */ |
| 828 | dreset(dvi); |
| 829 | |
| 830 | if(op != DVI_POST_POST249) |
| 831 | goto bad_dvi; |
| 832 | font_finish_definitions(dvi); |
| 833 | DEBUG((DBG_DVI, "%s: %d font%s required by this job\n",__debug ((1 << 3), "%s: %d font%s required by this job\n" , filename, dvi->nfonts, dvi->nfonts > 1 ? "s" : "") |
| 834 | filename, dvi->nfonts, dvi->nfonts > 1 ? "s" : ""))__debug ((1 << 3), "%s: %d font%s required by this job\n" , filename, dvi->nfonts, dvi->nfonts > 1 ? "s" : ""); |
| 835 | dvi->findref = font_find_mapped; |
| 836 | |
| 837 | /* |
| 838 | * 5. Build the page map. |
| 839 | */ |
| 840 | |
| 841 | dvi->pagemap = xnalloc(PageNum, dvi->npages)(PageNum *)mdvi_calloc((dvi->npages), sizeof(PageNum)); |
| 842 | memzero(dvi->pagemap, sizeof(PageNum) * dvi->npages)memset((dvi->pagemap), 0, (sizeof(PageNum) * dvi->npages )); |
| 843 | |
| 844 | n = dvi->npages - 1; |
| 845 | pagecount = n; |
| 846 | while(offset != -1) { |
| 847 | int i; |
| 848 | PageNum page; |
| 849 | |
| 850 | fseek(p, offset, SEEK_SET0); |
| 851 | op = fuget1(p)((unsigned)getc(p)); |
| 852 | if(op != DVI_BOP139 || n < 0) |
| 853 | goto bad_dvi; |
| 854 | for(i = 1; i <= 10; i++) |
| 855 | page[i] = fsget4(p)fsgetn((p), 4); |
| 856 | page[0] = offset; |
| 857 | offset = fsget4(p)fsgetn((p), 4); |
| 858 | /* check if the page is selected */ |
| 859 | if(spec && mdvi_page_selected(spec, page, n) == 0) { |
| 860 | DEBUG((DBG_DVI, "Page %d (%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld) ignored by request\n",__debug ((1 << 3), "Page %d (%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld) ignored by request\n" , n, page[1], page[2], page[3], page[4], page[5], page[6], page [7], page[8], page[9], page[10]) |
| 861 | n, page[1], page[2], page[3], page[4], page[5],__debug ((1 << 3), "Page %d (%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld) ignored by request\n" , n, page[1], page[2], page[3], page[4], page[5], page[6], page [7], page[8], page[9], page[10]) |
| 862 | page[6], page[7], page[8], page[9], page[10]))__debug ((1 << 3), "Page %d (%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld.%ld) ignored by request\n" , n, page[1], page[2], page[3], page[4], page[5], page[6], page [7], page[8], page[9], page[10]); |
| 863 | } else { |
| 864 | memcpy(&dvi->pagemap[pagecount], page, sizeof(PageNum))bcopy ((page), (&dvi->pagemap[pagecount]), (sizeof(PageNum ))); |
| 865 | pagecount--; |
| 866 | } |
| 867 | n--; |
| 868 | } |
| 869 | pagecount++; |
| 870 | if(pagecount >= dvi->npages) { |
| 871 | mdvi_error(_("no pages selected\n")gettext("no pages selected\n")); |
| 872 | goto error; |
| 873 | } |
| 874 | if(pagecount) { |
| 875 | DEBUG((DBG_DVI, "%d of %d pages selected\n",__debug ((1 << 3), "%d of %d pages selected\n", dvi-> npages - pagecount, dvi->npages) |
| 876 | dvi->npages - pagecount, dvi->npages))__debug ((1 << 3), "%d of %d pages selected\n", dvi-> npages - pagecount, dvi->npages); |
| 877 | dvi->npages -= pagecount; |
| 878 | memmove(dvi->pagemap, &dvi->pagemap[pagecount], |
| 879 | dvi->npages * sizeof(PageNum)); |
| 880 | } |
| 881 | |
| 882 | /* |
| 883 | * 6. Setup stack, initialize device functions |
| 884 | */ |
| 885 | |
| 886 | dvi->curr_layer = 0; |
| 887 | dvi->stack = xnalloc(DviState, dvi->stacksize + 8)(DviState *)mdvi_calloc((dvi->stacksize + 8), sizeof(DviState )); |
| 888 | |
| 889 | dvi->device.draw_glyph = dummy_draw_glyph; |
| 890 | dvi->device.draw_rule = dummy_draw_rule; |
| 891 | dvi->device.alloc_colors = dummy_alloc_colors; |
| 892 | dvi->device.create_image = dummy_create_image; |
| 893 | dvi->device.free_image = dummy_free_image; |
| 894 | dvi->device.dev_destroy = dummy_dev_destroy; |
| 895 | dvi->device.put_pixel = dummy_dev_putpixel; |
| 896 | dvi->device.refresh = dummy_dev_refresh; |
| 897 | dvi->device.set_color = dummy_dev_set_color; |
| 898 | dvi->device.device_data = NULL((void*)0); |
| 899 | |
| 900 | DEBUG((DBG_DVI, "%s read successfully\n", filename))__debug ((1 << 3), "%s read successfully\n", filename); |
| 901 | return dvi; |
| 902 | |
| 903 | bad_dvi: |
| 904 | mdvi_error(_("%s: File corrupted, or not a DVI file\n")gettext("%s: File corrupted, or not a DVI file\n"), file); |
| 905 | error: |
| 906 | /* if we came from the font definitions, this will be non-trivial */ |
| 907 | dreset(dvi); |
| 908 | mdvi_destroy_context(dvi); |
| 909 | return NULL((void*)0); |
| 910 | } |
| 911 | |
| 912 | void mdvi_destroy_context(DviContext *dvi) |
| 913 | { |
| 914 | if(dvi->device.dev_destroy) |
| 915 | dvi->device.dev_destroy(dvi->device.device_data); |
| 916 | /* release all fonts */ |
| 917 | if(dvi->fonts) { |
| 918 | font_drop_chain(dvi->fonts); |
| 919 | font_free_unused(&dvi->device); |
| 920 | } |
| 921 | if(dvi->fontmap) |
| 922 | mdvi_free(dvi->fontmap); |
| 923 | if(dvi->filename) |
| 924 | mdvi_free(dvi->filename); |
| 925 | if(dvi->stack) |
| 926 | mdvi_free(dvi->stack); |
| 927 | if(dvi->pagemap) |
| 928 | mdvi_free(dvi->pagemap); |
| 929 | if(dvi->fileid) |
| 930 | mdvi_free(dvi->fileid); |
| 931 | if(dvi->in) |
| 932 | fclosekpse_fclose_trace(dvi->in); |
| 933 | if(dvi->buffer.data && !dvi->buffer.frozen) |
| 934 | mdvi_free(dvi->buffer.data); |
| 935 | if(dvi->color_stack) |
| 936 | mdvi_free(dvi->color_stack); |
| 937 | |
| 938 | mdvi_free(dvi); |
| 939 | } |
| 940 | |
| 941 | void mdvi_setpage(DviContext *dvi, int pageno) |
| 942 | { |
| 943 | if(pageno < 0) |
| 944 | pageno = 0; |
| 945 | if(pageno > dvi->npages-1) |
| 946 | pageno = dvi->npages - 1; |
| 947 | dvi->currpage = pageno; |
| 948 | } |
| 949 | |
| 950 | static int mdvi_run_macro(DviContext *dvi, Uchar *macro, size_t len) |
| 951 | { |
| 952 | DviFontRef *curr, *fonts; |
| 953 | DviBuffer saved_buffer; |
| 954 | FILE *saved_file; |
| 955 | int opcode; |
| 956 | int oldtop; |
| 957 | |
| 958 | dvi->depth++; |
| 959 | push(dvi, DVI_PUSH141); |
| 960 | dvi->pos.w = 0; |
| 961 | dvi->pos.x = 0; |
| 962 | dvi->pos.y = 0; |
| 963 | dvi->pos.z = 0; |
| 964 | |
| 965 | /* save our state */ |
| 966 | curr = dvi->currfont; |
| 967 | fonts = dvi->fonts; |
| 968 | saved_buffer = dvi->buffer; |
| 969 | saved_file = dvi->in; |
| 970 | dvi->currfont = curr->ref->subfonts; |
| 971 | dvi->fonts = curr->ref->subfonts; |
| 972 | dvi->buffer.data = macro; |
| 973 | dvi->buffer.pos = 0; |
| 974 | dvi->buffer.length = len; |
| 975 | dvi->buffer.frozen = 1; |
| 976 | dvi->in = NULL((void*)0); |
| 977 | oldtop = dvi->stacktop; |
| 978 | |
| 979 | /* execute commands */ |
| 980 | while((opcode = duget1(dvi)dugetn((dvi), 1)) != DVI_EOP140) { |
| 981 | if(dvi_commands[opcode](dvi, opcode) < 0) |
| 982 | break; |
| 983 | } |
| 984 | if(opcode != DVI_EOP140) |
| 985 | dviwarn(dvi, _("%s: vf macro had errors\n")gettext("%s: vf macro had errors\n"), |
| 986 | curr->ref->fontname); |
| 987 | if(dvi->stacktop != oldtop) |
| 988 | dviwarn(dvi, _("%s: stack not empty after vf macro\n")gettext("%s: stack not empty after vf macro\n"), |
| 989 | curr->ref->fontname); |
| 990 | |
| 991 | /* restore things */ |
| 992 | pop(dvi, DVI_POP142); |
| 993 | dvi->currfont = curr; |
| 994 | dvi->fonts = fonts; |
| 995 | dvi->buffer = saved_buffer; |
| 996 | dvi->in = saved_file; |
| 997 | dvi->depth--; |
| 998 | |
| 999 | return (opcode != DVI_EOP140 ? -1 : 0); |
| 1000 | } |
| 1001 | |
| 1002 | int mdvi_dopage(DviContext *dvi, int pageno) |
| 1003 | { |
| 1004 | int op; |
| 1005 | int ppi; |
| 1006 | int reloaded = 0; |
| 1007 | |
| 1008 | again: |
| 1009 | if(dvi->in == NULL((void*)0)) { |
| 1010 | /* try reopening the file */ |
| 1011 | dvi->in = fopenkpse_fopen_trace(dvi->filename, "rb"); |
| 1012 | if(dvi->in == NULL((void*)0)) { |
| 1013 | mdvi_warning(_("%s: could not reopen file (%s)\n")gettext("%s: could not reopen file (%s)\n"), |
| 1014 | dvi->filename, |
| 1015 | strerror(errno(*__errno_location ()))); |
| 1016 | return -1; |
| 1017 | } |
| 1018 | DEBUG((DBG_FILES, "reopen(%s) -> Ok\n", dvi->filename))__debug ((1 << 2), "reopen(%s) -> Ok\n", dvi->filename ); |
| 1019 | } |
| 1020 | |
| 1021 | /* check if we need to reload the file */ |
| 1022 | if(!reloaded && get_mtime(fileno(dvi->in)) > dvi->modtime) { |
| 1023 | mdvi_reload(dvi, &dvi->params); |
| 1024 | /* we have to reopen the file, again */ |
| 1025 | reloaded = 1; |
| 1026 | goto again; |
| 1027 | } |
| 1028 | |
| 1029 | if(pageno < 0 || pageno > dvi->npages-1) { |
| 1030 | mdvi_error(_("%s: page %d out of range\n")gettext("%s: page %d out of range\n"), |
| 1031 | dvi->filename, pageno); |
| 1032 | return -1; |
| 1033 | } |
| 1034 | |
| 1035 | fseek(dvi->in, (long)dvi->pagemap[pageno][0], SEEK_SET0); |
| 1036 | if((op = fuget1(dvi->in)((unsigned)getc(dvi->in))) != DVI_BOP139) { |
Although the value stored to 'op' is used in the enclosing expression, the value is never actually read from 'op' | |
| 1037 | mdvi_error(_("%s: bad offset at page %d\n")gettext("%s: bad offset at page %d\n"), |
| 1038 | dvi->filename, pageno+1); |
| 1039 | return -1; |
| 1040 | } |
| 1041 | |
| 1042 | /* skip bop */ |
| 1043 | fseek(dvi->in, (long)44, SEEK_CUR1); |
| 1044 | |
| 1045 | /* reset state */ |
| 1046 | dvi->currfont = NULL((void*)0); |
| 1047 | memzero(&dvi->pos, sizeof(DviState))memset((&dvi->pos), 0, (sizeof(DviState))); |
| 1048 | dvi->stacktop = 0; |
| 1049 | dvi->currpage = pageno; |
| 1050 | dvi->curr_layer = 0; |
| 1051 | |
| 1052 | if(dvi->buffer.data && !dvi->buffer.frozen) |
| 1053 | mdvi_free(dvi->buffer.data); |
| 1054 | |
| 1055 | /* reset our buffer */ |
| 1056 | dvi->buffer.data = NULL((void*)0); |
| 1057 | dvi->buffer.length = 0; |
| 1058 | dvi->buffer.pos = 0; |
| 1059 | dvi->buffer.frozen = 0; |
| 1060 | |
| 1061 | #if 0 /* make colors survive page breaks */ |
| 1062 | /* reset color stack */ |
| 1063 | mdvi_reset_color(dvi); |
| 1064 | #endif |
| 1065 | |
| 1066 | /* set max horizontal and vertical drift (from dvips) */ |
| 1067 | if(dvi->params.hdrift < 0) { |
| 1068 | ppi = dvi->params.dpi / dvi->params.hshrink; /* shrunk pixels per inch */ |
| 1069 | if(ppi < 600) |
| 1070 | dvi->params.hdrift = ppi / 100; |
| 1071 | else if(ppi < 1200) |
| 1072 | dvi->params.hdrift = ppi / 200; |
| 1073 | else |
| 1074 | dvi->params.hdrift = ppi / 400; |
| 1075 | } |
| 1076 | if(dvi->params.vdrift < 0) { |
| 1077 | ppi = dvi->params.vdpi / dvi->params.vshrink; /* shrunk pixels per inch */ |
| 1078 | if(ppi < 600) |
| 1079 | dvi->params.vdrift = ppi / 100; |
| 1080 | else if(ppi < 1200) |
| 1081 | dvi->params.vdrift = ppi / 200; |
| 1082 | else |
| 1083 | dvi->params.vdrift = ppi / 400; |
| 1084 | } |
| 1085 | |
| 1086 | dvi->params.thinsp = FROUND(0.025 * dvi->params.dpi / dvi->params.conv)(int)((0.025 * dvi->params.dpi / dvi->params.conv) + 0.5 ); |
| 1087 | dvi->params.vsmallsp = FROUND(0.025 * dvi->params.vdpi / dvi->params.vconv)(int)((0.025 * dvi->params.vdpi / dvi->params.vconv) + 0.5 ); |
| 1088 | |
| 1089 | /* execute all the commands in the page */ |
| 1090 | while((op = duget1(dvi)dugetn((dvi), 1)) != DVI_EOP140) { |
| 1091 | if(dvi_commands[op](dvi, op) < 0) |
| 1092 | break; |
| 1093 | } |
| 1094 | |
| 1095 | fflush(stdoutstdout); |
| 1096 | fflush(stderrstderr); |
| 1097 | if(op != DVI_EOP140) |
| 1098 | return -1; |
| 1099 | if(dvi->stacktop) |
| 1100 | dviwarn(dvi, _("stack not empty at end of page\n")gettext("stack not empty at end of page\n")); |
| 1101 | return 0; |
| 1102 | } |
| 1103 | |
| 1104 | static int inline move_vertical(DviContext *dvi, int amount) |
| 1105 | { |
| 1106 | int rvv; |
| 1107 | |
| 1108 | dvi->pos.v += amount; |
| 1109 | rvv = vpixel_round(dvi, dvi->pos.v)(int)((dvi)->params.vconv * (dvi->pos.v) + 0.5); |
| 1110 | if(!dvi->params.vdrift) |
| 1111 | return rvv; |
| 1112 | if(amount > dvi->params.vsmallsp || amount <= -dvi->params.vsmallsp) |
| 1113 | return rvv; |
| 1114 | else { |
| 1115 | int newvv; |
| 1116 | |
| 1117 | newvv = dvi->pos.vv + vpixel_round(dvi, amount)(int)((dvi)->params.vconv * (amount) + 0.5); |
| 1118 | if(rvv - newvv > dvi->params.vdrift) |
| 1119 | return rvv - dvi->params.vdrift; |
| 1120 | else if(newvv - rvv > dvi->params.vdrift) |
| 1121 | return rvv + dvi->params.vdrift; |
| 1122 | else |
| 1123 | return newvv; |
| 1124 | } |
| 1125 | } |
| 1126 | |
| 1127 | static int inline move_horizontal(DviContext *dvi, int amount) |
| 1128 | { |
| 1129 | int rhh; |
| 1130 | |
| 1131 | dvi->pos.h += amount; |
| 1132 | rhh = pixel_round(dvi, dvi->pos.h)(int)((dvi)->params.conv * (dvi->pos.h) + 0.5); |
| 1133 | if(!dvi->params.hdrift) |
| 1134 | return rhh; |
| 1135 | else if(amount > dvi->params.thinsp || amount <= -6 * dvi->params.thinsp) |
| 1136 | return rhh; |
| 1137 | else { |
| 1138 | int newhh; |
| 1139 | |
| 1140 | newhh = dvi->pos.hh + pixel_round(dvi, amount)(int)((dvi)->params.conv * (amount) + 0.5); |
| 1141 | if(rhh - newhh > dvi->params.hdrift) |
| 1142 | return rhh - dvi->params.hdrift; |
| 1143 | else if(newhh - rhh > dvi->params.hdrift) |
| 1144 | return rhh + dvi->params.hdrift; |
| 1145 | else |
| 1146 | return newhh; |
| 1147 | } |
| 1148 | } |
| 1149 | |
| 1150 | static void inline fix_after_horizontal(DviContext *dvi) |
| 1151 | { |
| 1152 | int rhh; |
| 1153 | |
| 1154 | rhh = pixel_round(dvi, dvi->pos.h)(int)((dvi)->params.conv * (dvi->pos.h) + 0.5); |
| 1155 | if(!dvi->params.hdrift) |
| 1156 | dvi->pos.hh = rhh; |
| 1157 | else if(rhh - dvi->pos.hh > dvi->params.hdrift) |
| 1158 | dvi->pos.hh = rhh - dvi->params.hdrift; |
| 1159 | else if(dvi->pos.hh - rhh > dvi->params.hdrift) |
| 1160 | dvi->pos.hh = rhh + dvi->params.hdrift; |
| 1161 | } |
| 1162 | |
| 1163 | /* commands */ |
| 1164 | |
| 1165 | #define DBGSUM(a,b,c)(a), (b) > 0 ? '+' : '-', (b) > 0 ? (b) : -(b), (c) \ |
| 1166 | (a), (b) > 0 ? '+' : '-', \ |
| 1167 | (b) > 0 ? (b) : -(b), (c) |
| 1168 | |
| 1169 | static void draw_shrink_rule (DviContext *dvi, int x, int y, Uint w, Uint h, int f) |
| 1170 | { |
| 1171 | Ulong fg, bg; |
| 1172 | |
| 1173 | fg = dvi->curr_fg; |
| 1174 | bg = dvi->curr_bg; |
| 1175 | |
| 1176 | mdvi_push_color (dvi, fg, bg); |
| 1177 | dvi->device.draw_rule(dvi, x, y, w, h, f); |
| 1178 | mdvi_pop_color (dvi); |
| 1179 | |
| 1180 | return; |
| 1181 | } |
| 1182 | |
| 1183 | /* |
| 1184 | * The only commands that actually draw something are: |
| 1185 | * set_char, set_rule |
| 1186 | */ |
| 1187 | |
| 1188 | static void draw_box(DviContext *dvi, DviFontChar *ch) |
| 1189 | { |
| 1190 | DviGlyph *glyph = NULL((void*)0); |
| 1191 | int x, y, w, h; |
| 1192 | |
| 1193 | if(!MDVI_GLYPH_UNSET(ch->shrunk.data)((ch->shrunk.data) == ((void*)0))) |
| 1194 | glyph = &ch->shrunk; |
| 1195 | else if(!MDVI_GLYPH_UNSET(ch->grey.data)((ch->grey.data) == ((void*)0))) |
| 1196 | glyph = &ch->grey; |
| 1197 | else if(!MDVI_GLYPH_UNSET(ch->glyph.data)((ch->glyph.data) == ((void*)0))) |
| 1198 | glyph = &ch->glyph; |
| 1199 | if(glyph == NULL((void*)0)) |
| 1200 | return; |
| 1201 | x = glyph->x; |
| 1202 | y = glyph->y; |
| 1203 | w = glyph->w; |
| 1204 | h = glyph->h; |
| 1205 | /* this is bad -- we have to undo the orientation */ |
| 1206 | switch(dvi->params.orientation) { |
| 1207 | case MDVI_ORIENT_TBLR: |
| 1208 | break; |
| 1209 | case MDVI_ORIENT_TBRL: |
| 1210 | x = w - x; |
| 1211 | break; |
| 1212 | case MDVI_ORIENT_BTLR: |
| 1213 | y = h - y; |
| 1214 | break; |
| 1215 | case MDVI_ORIENT_BTRL: |
| 1216 | x = w - x; |
| 1217 | y = h - y; |
| 1218 | break; |
| 1219 | case MDVI_ORIENT_RP90: |
| 1220 | SWAPINT(w, h)({ int _s = w; w = h; h = _s; }); |
| 1221 | SWAPINT(x, y)({ int _s = x; x = y; y = _s; }); |
| 1222 | x = w - x; |
| 1223 | break; |
| 1224 | case MDVI_ORIENT_RM90: |
| 1225 | SWAPINT(w, h)({ int _s = w; w = h; h = _s; }); |
| 1226 | SWAPINT(x, y)({ int _s = x; x = y; y = _s; }); |
| 1227 | y = h - y; |
| 1228 | break; |
| 1229 | case MDVI_ORIENT_IRP90: |
| 1230 | SWAPINT(w, h)({ int _s = w; w = h; h = _s; }); |
| 1231 | SWAPINT(x, y)({ int _s = x; x = y; y = _s; }); |
| 1232 | break; |
| 1233 | case MDVI_ORIENT_IRM90: |
| 1234 | SWAPINT(w, h)({ int _s = w; w = h; h = _s; }); |
| 1235 | SWAPINT(x, y)({ int _s = x; x = y; y = _s; }); |
| 1236 | x = w - x; |
| 1237 | y = h - y; |
| 1238 | break; |
| 1239 | } |
| 1240 | |
| 1241 | draw_shrink_rule(dvi, dvi->pos.hh - x, dvi->pos.vv - y, w, h, 1); |
| 1242 | } |
| 1243 | |
| 1244 | int set_char(DviContext *dvi, int opcode) |
| 1245 | { |
| 1246 | int num; |
| 1247 | int h; |
| 1248 | int hh; |
| 1249 | DviFontChar *ch; |
| 1250 | DviFont *font; |
| 1251 | |
| 1252 | if(opcode < 128) |
| 1253 | num = opcode; |
| 1254 | else |
| 1255 | num = dugetn(dvi, opcode - DVI_SET1128 + 1); |
| 1256 | if(dvi->currfont == NULL((void*)0)) { |
| 1257 | dvierr(dvi, _("no default font set yet\n")gettext("no default font set yet\n")); |
| 1258 | return -1; |
| 1259 | } |
| 1260 | font = dvi->currfont->ref; |
| 1261 | ch = font_get_glyph(dvi, font, num); |
| 1262 | if(ch == NULL((void*)0) || ch->missing) { |
| 1263 | /* try to display something anyway */ |
| 1264 | ch = FONTCHAR(font, num)(((num) < font->loc || (num) > font->hic || !(font )->chars) ? ((void*)0) : &font->chars[(num) - (font )->loc]); |
| 1265 | if(!glyph_present(ch)((ch) && (ch)->offset)) { |
| 1266 | dviwarn(dvi, |
| 1267 | _("requested character %d does not exist in `%s'\n")gettext("requested character %d does not exist in `%s'\n"), |
| 1268 | num, font->fontname); |
| 1269 | return 0; |
| 1270 | } |
| 1271 | draw_box(dvi, ch); |
| 1272 | } else if(dvi->curr_layer <= dvi->params.layer) { |
| 1273 | if(ISVIRTUAL(font)((font)->search.info->getglyph == ((void*)0))) |
| 1274 | mdvi_run_macro(dvi, (Uchar *)font->private + |
| 1275 | ch->offset, ch->width); |
| 1276 | else if(ch->width && ch->height) |
| 1277 | dvi->device.draw_glyph(dvi, ch, |
| 1278 | dvi->pos.hh, dvi->pos.vv); |
| 1279 | } |
| 1280 | if(opcode >= DVI_PUT1133 && opcode <= DVI_PUT4136) { |
| 1281 | SHOWCMD((dvi, "putchar", opcode - DVI_PUT1 + 1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "putchar", opcode - 133 + 1, "char %d (%s)\n", num, dvi-> currfont->ref->fontname); } while(0) |
| 1282 | "char %d (%s)\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "putchar", opcode - 133 + 1, "char %d (%s)\n", num, dvi-> currfont->ref->fontname); } while(0) |
| 1283 | num, dvi->currfont->ref->fontname))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "putchar", opcode - 133 + 1, "char %d (%s)\n", num, dvi-> currfont->ref->fontname); } while(0); |
| 1284 | } else { |
| 1285 | h = dvi->pos.h + ch->tfmwidth; |
| 1286 | hh = dvi->pos.hh + pixel_round(dvi, ch->tfmwidth)(int)((dvi)->params.conv * (ch->tfmwidth) + 0.5); |
| 1287 | SHOWCMD((dvi, "setchar", num, "(%d,%d) h:=%d%c%d=%d, hh:=%d (%s)\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "setchar", num, "(%d,%d) h:=%d%c%d=%d, hh:=%d (%s)\n", dvi-> pos.hh, dvi->pos.vv, (dvi->pos.h), (ch->tfmwidth) > 0 ? '+' : '-', (ch->tfmwidth) > 0 ? (ch->tfmwidth) : -(ch->tfmwidth), (h), hh, font->fontname); } while(0) |
| 1288 | dvi->pos.hh, dvi->pos.vv,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "setchar", num, "(%d,%d) h:=%d%c%d=%d, hh:=%d (%s)\n", dvi-> pos.hh, dvi->pos.vv, (dvi->pos.h), (ch->tfmwidth) > 0 ? '+' : '-', (ch->tfmwidth) > 0 ? (ch->tfmwidth) : -(ch->tfmwidth), (h), hh, font->fontname); } while(0) |
| 1289 | DBGSUM(dvi->pos.h, ch->tfmwidth, h), hh,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "setchar", num, "(%d,%d) h:=%d%c%d=%d, hh:=%d (%s)\n", dvi-> pos.hh, dvi->pos.vv, (dvi->pos.h), (ch->tfmwidth) > 0 ? '+' : '-', (ch->tfmwidth) > 0 ? (ch->tfmwidth) : -(ch->tfmwidth), (h), hh, font->fontname); } while(0) |
| 1290 | font->fontname))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "setchar", num, "(%d,%d) h:=%d%c%d=%d, hh:=%d (%s)\n", dvi-> pos.hh, dvi->pos.vv, (dvi->pos.h), (ch->tfmwidth) > 0 ? '+' : '-', (ch->tfmwidth) > 0 ? (ch->tfmwidth) : -(ch->tfmwidth), (h), hh, font->fontname); } while(0); |
| 1291 | dvi->pos.h = h; |
| 1292 | dvi->pos.hh = hh; |
| 1293 | fix_after_horizontal(dvi); |
| 1294 | } |
| 1295 | |
| 1296 | return 0; |
| 1297 | } |
| 1298 | |
| 1299 | int set_rule(DviContext *dvi, int opcode) |
| 1300 | { |
| 1301 | Int32 a, b; |
| 1302 | int h, w; |
| 1303 | |
| 1304 | a = dsget4(dvi)dsgetn((dvi), 4); |
| 1305 | b = dsget4(dvi)dsgetn((dvi), 4); w = rule_round(dvi, b)(int)((dvi)->params.conv * (b) + 0.99999); |
| 1306 | if(a > 0 && b > 0) { |
| 1307 | h = vrule_round(dvi, a)(int)((dvi)->params.vconv * (a) + 0.99999); |
| 1308 | SHOWCMD((dvi, opcode == DVI_SET_RULE ? "setrule" : "putrule", -1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, opcode == 132 ? "setrule" : "putrule", -1, "width %d, height %d (%dx%d pixels)\n" , b, a, w, h); } while(0) |
| 1309 | "width %d, height %d (%dx%d pixels)\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, opcode == 132 ? "setrule" : "putrule", -1, "width %d, height %d (%dx%d pixels)\n" , b, a, w, h); } while(0) |
| 1310 | b, a, w, h))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, opcode == 132 ? "setrule" : "putrule", -1, "width %d, height %d (%dx%d pixels)\n" , b, a, w, h); } while(0); |
| 1311 | /* the `draw' functions expect the origin to be at the top left |
| 1312 | * corner of the rule, not the bottom left, as in DVI files */ |
| 1313 | if(dvi->curr_layer <= dvi->params.layer) { |
| 1314 | draw_shrink_rule(dvi, |
| 1315 | dvi->pos.hh, dvi->pos.vv - h + 1, w, h, 1); |
| 1316 | } |
| 1317 | } else { |
| 1318 | SHOWCMD((dvi, opcode == DVI_SET_RULE ? "setrule" : "putrule", -1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, opcode == 132 ? "setrule" : "putrule", -1, "(moving left only, by %d)\n" , b); } while(0) |
| 1319 | "(moving left only, by %d)\n", b))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, opcode == 132 ? "setrule" : "putrule", -1, "(moving left only, by %d)\n" , b); } while(0); |
| 1320 | } |
| 1321 | |
| 1322 | if(opcode == DVI_SET_RULE132) { |
| 1323 | dvi->pos.h += b; |
| 1324 | dvi->pos.hh += w; |
| 1325 | fix_after_horizontal(dvi); |
| 1326 | } |
| 1327 | return 0; |
| 1328 | } |
| 1329 | |
| 1330 | int no_op(DviContext *dvi, int opcode) |
| 1331 | { |
| 1332 | SHOWCMD((dvi, "noop", -1, ""))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "noop", -1, ""); } while(0); |
| 1333 | return 0; |
| 1334 | } |
| 1335 | |
| 1336 | int push(DviContext *dvi, int opcode) |
| 1337 | { |
| 1338 | if(dvi->stacktop == dvi->stacksize) { |
| 1339 | if(!dvi->depth) |
| 1340 | dviwarn(dvi, _("enlarging stack\n")gettext("enlarging stack\n")); |
| 1341 | dvi->stacksize += 8; |
| 1342 | dvi->stack = xresize(dvi->stack,(DviState *)mdvi_realloc((dvi->stack), (dvi->stacksize) * sizeof(DviState)) |
| 1343 | DviState, dvi->stacksize)(DviState *)mdvi_realloc((dvi->stack), (dvi->stacksize) * sizeof(DviState)); |
| 1344 | } |
| 1345 | memcpy(&dvi->stack[dvi->stacktop], &dvi->pos, sizeof(DviState))bcopy ((&dvi->pos), (&dvi->stack[dvi->stacktop ]), (sizeof(DviState))); |
| 1346 | SHOWCMD((dvi, "push", -1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "push", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0) |
| 1347 | "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "push", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0) |
| 1348 | dvi->stacktop,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "push", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0) |
| 1349 | dvi->pos.h, dvi->pos.v, dvi->pos.w, dvi->pos.x,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "push", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0) |
| 1350 | dvi->pos.y, dvi->pos.z, dvi->pos.hh, dvi->pos.vv))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "push", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0); |
| 1351 | dvi->stacktop++; |
| 1352 | return 0; |
| 1353 | } |
| 1354 | |
| 1355 | int pop(DviContext *dvi, int opcode) |
| 1356 | { |
| 1357 | if(dvi->stacktop == 0) { |
| 1358 | dvierr(dvi, _("stack underflow\n")gettext("stack underflow\n")); |
| 1359 | return -1; |
| 1360 | } |
| 1361 | memcpy(&dvi->pos, &dvi->stack[dvi->stacktop-1], sizeof(DviState))bcopy ((&dvi->stack[dvi->stacktop-1]), (&dvi-> pos), (sizeof(DviState))); |
| 1362 | SHOWCMD((dvi, "pop", -1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "pop", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0) |
| 1363 | "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "pop", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0) |
| 1364 | dvi->stacktop,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "pop", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0) |
| 1365 | dvi->pos.h, dvi->pos.v, dvi->pos.w, dvi->pos.x,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "pop", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0) |
| 1366 | dvi->pos.y, dvi->pos.z, dvi->pos.hh, dvi->pos.vv))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "pop", -1, "level %d: (h=%d,v=%d,w=%d,x=%d,y=%d,z=%d,hh=%d,vv=%d)\n" , dvi->stacktop, dvi->pos.h, dvi->pos.v, dvi->pos .w, dvi->pos.x, dvi->pos.y, dvi->pos.z, dvi->pos. hh, dvi->pos.vv); } while(0); |
| 1367 | dvi->stacktop--; |
| 1368 | return 0; |
| 1369 | } |
| 1370 | |
| 1371 | int move_right(DviContext *dvi, int opcode) |
| 1372 | { |
| 1373 | Int32 arg; |
| 1374 | int h, hh; |
| 1375 | |
| 1376 | arg = dsgetn(dvi, opcode - DVI_RIGHT1143 + 1); |
| 1377 | h = dvi->pos.h; |
| 1378 | hh = move_horizontal(dvi, arg); |
| 1379 | SHOWCMD((dvi, "right", opcode - DVI_RIGHT1 + 1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "right", opcode - 143 + 1, "%d h:=%d%c%d=%d, hh:=%d\n", arg, (h), (arg) > 0 ? '+' : '-', (arg) > 0 ? (arg) : -(arg) , (dvi->pos.h), hh); } while(0) |
| 1380 | "%d h:=%d%c%d=%d, hh:=%d\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "right", opcode - 143 + 1, "%d h:=%d%c%d=%d, hh:=%d\n", arg, (h), (arg) > 0 ? '+' : '-', (arg) > 0 ? (arg) : -(arg) , (dvi->pos.h), hh); } while(0) |
| 1381 | arg, DBGSUM(h, arg, dvi->pos.h), hh))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "right", opcode - 143 + 1, "%d h:=%d%c%d=%d, hh:=%d\n", arg, (h), (arg) > 0 ? '+' : '-', (arg) > 0 ? (arg) : -(arg) , (dvi->pos.h), hh); } while(0); |
| 1382 | dvi->pos.hh = hh; |
| 1383 | return 0; |
| 1384 | } |
| 1385 | |
| 1386 | int move_down(DviContext *dvi, int opcode) |
| 1387 | { |
| 1388 | Int32 arg; |
| 1389 | int v, vv; |
| 1390 | |
| 1391 | arg = dsgetn(dvi, opcode - DVI_DOWN1157 + 1); |
| 1392 | v = dvi->pos.v; |
| 1393 | vv = move_vertical(dvi, arg); |
| 1394 | SHOWCMD((dvi, "down", opcode - DVI_DOWN1 + 1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "down", opcode - 157 + 1, "%d v:=%d%c%d=%d, vv:=%d\n", arg, ( v), (arg) > 0 ? '+' : '-', (arg) > 0 ? (arg) : -(arg), ( dvi->pos.v), vv); } while(0) |
| 1395 | "%d v:=%d%c%d=%d, vv:=%d\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "down", opcode - 157 + 1, "%d v:=%d%c%d=%d, vv:=%d\n", arg, ( v), (arg) > 0 ? '+' : '-', (arg) > 0 ? (arg) : -(arg), ( dvi->pos.v), vv); } while(0) |
| 1396 | arg, DBGSUM(v, arg, dvi->pos.v), vv))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "down", opcode - 157 + 1, "%d v:=%d%c%d=%d, vv:=%d\n", arg, ( v), (arg) > 0 ? '+' : '-', (arg) > 0 ? (arg) : -(arg), ( dvi->pos.v), vv); } while(0); |
| 1397 | dvi->pos.vv = vv; |
| 1398 | return 0; |
| 1399 | } |
| 1400 | |
| 1401 | int move_w(DviContext *dvi, int opcode) |
| 1402 | { |
| 1403 | int h, hh; |
| 1404 | |
| 1405 | if(opcode != DVI_W0147) |
| 1406 | dvi->pos.w = dsgetn(dvi, opcode - DVI_W0147); |
| 1407 | h = dvi->pos.h; |
| 1408 | hh = move_horizontal(dvi, dvi->pos.w); |
| 1409 | SHOWCMD((dvi, "w", opcode - DVI_W0,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "w", opcode - 147, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. w, (h), (dvi->pos.w) > 0 ? '+' : '-', (dvi->pos.w) > 0 ? (dvi->pos.w) : -(dvi->pos.w), (dvi->pos.h), hh) ; } while(0) |
| 1410 | "%d h:=%d%c%d=%d, hh:=%d\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "w", opcode - 147, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. w, (h), (dvi->pos.w) > 0 ? '+' : '-', (dvi->pos.w) > 0 ? (dvi->pos.w) : -(dvi->pos.w), (dvi->pos.h), hh) ; } while(0) |
| 1411 | dvi->pos.w, DBGSUM(h, dvi->pos.w, dvi->pos.h), hh))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "w", opcode - 147, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. w, (h), (dvi->pos.w) > 0 ? '+' : '-', (dvi->pos.w) > 0 ? (dvi->pos.w) : -(dvi->pos.w), (dvi->pos.h), hh) ; } while(0); |
| 1412 | dvi->pos.hh = hh; |
| 1413 | return 0; |
| 1414 | } |
| 1415 | |
| 1416 | int move_x(DviContext *dvi, int opcode) |
| 1417 | { |
| 1418 | int h, hh; |
| 1419 | |
| 1420 | if(opcode != DVI_X0152) |
| 1421 | dvi->pos.x = dsgetn(dvi, opcode - DVI_X0152); |
| 1422 | h = dvi->pos.h; |
| 1423 | hh = move_horizontal(dvi, dvi->pos.x); |
| 1424 | SHOWCMD((dvi, "x", opcode - DVI_X0,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "x", opcode - 152, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. x, (h), (dvi->pos.x) > 0 ? '+' : '-', (dvi->pos.x) > 0 ? (dvi->pos.x) : -(dvi->pos.x), (dvi->pos.h), hh) ; } while(0) |
| 1425 | "%d h:=%d%c%d=%d, hh:=%d\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "x", opcode - 152, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. x, (h), (dvi->pos.x) > 0 ? '+' : '-', (dvi->pos.x) > 0 ? (dvi->pos.x) : -(dvi->pos.x), (dvi->pos.h), hh) ; } while(0) |
| 1426 | dvi->pos.x, DBGSUM(h, dvi->pos.x, dvi->pos.h), hh))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "x", opcode - 152, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. x, (h), (dvi->pos.x) > 0 ? '+' : '-', (dvi->pos.x) > 0 ? (dvi->pos.x) : -(dvi->pos.x), (dvi->pos.h), hh) ; } while(0); |
| 1427 | dvi->pos.hh = hh; |
| 1428 | return 0; |
| 1429 | } |
| 1430 | |
| 1431 | int move_y(DviContext *dvi, int opcode) |
| 1432 | { |
| 1433 | int v, vv; |
| 1434 | |
| 1435 | if(opcode != DVI_Y0161) |
| 1436 | dvi->pos.y = dsgetn(dvi, opcode - DVI_Y0161); |
| 1437 | v = dvi->pos.v; |
| 1438 | vv = move_vertical(dvi, dvi->pos.y); |
| 1439 | SHOWCMD((dvi, "y", opcode - DVI_Y0,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "y", opcode - 161, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. y, (v), (dvi->pos.y) > 0 ? '+' : '-', (dvi->pos.y) > 0 ? (dvi->pos.y) : -(dvi->pos.y), (dvi->pos.v), vv) ; } while(0) |
| 1440 | "%d h:=%d%c%d=%d, hh:=%d\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "y", opcode - 161, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. y, (v), (dvi->pos.y) > 0 ? '+' : '-', (dvi->pos.y) > 0 ? (dvi->pos.y) : -(dvi->pos.y), (dvi->pos.v), vv) ; } while(0) |
| 1441 | dvi->pos.y, DBGSUM(v, dvi->pos.y, dvi->pos.v), vv))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "y", opcode - 161, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. y, (v), (dvi->pos.y) > 0 ? '+' : '-', (dvi->pos.y) > 0 ? (dvi->pos.y) : -(dvi->pos.y), (dvi->pos.v), vv) ; } while(0); |
| 1442 | dvi->pos.vv = vv; |
| 1443 | return 0; |
| 1444 | } |
| 1445 | |
| 1446 | int move_z(DviContext *dvi, int opcode) |
| 1447 | { |
| 1448 | int v, vv; |
| 1449 | |
| 1450 | if(opcode != DVI_Z0166) |
| 1451 | dvi->pos.z = dsgetn(dvi, opcode - DVI_Z0166); |
| 1452 | v = dvi->pos.v; |
| 1453 | vv = move_vertical(dvi, dvi->pos.z); |
| 1454 | SHOWCMD((dvi, "z", opcode - DVI_Z0,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "z", opcode - 166, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. z, (v), (dvi->pos.z) > 0 ? '+' : '-', (dvi->pos.z) > 0 ? (dvi->pos.z) : -(dvi->pos.z), (dvi->pos.v), vv) ; } while(0) |
| 1455 | "%d h:=%d%c%d=%d, hh:=%d\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "z", opcode - 166, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. z, (v), (dvi->pos.z) > 0 ? '+' : '-', (dvi->pos.z) > 0 ? (dvi->pos.z) : -(dvi->pos.z), (dvi->pos.v), vv) ; } while(0) |
| 1456 | dvi->pos.z, DBGSUM(v, dvi->pos.z, dvi->pos.v), vv))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "z", opcode - 166, "%d h:=%d%c%d=%d, hh:=%d\n", dvi->pos. z, (v), (dvi->pos.z) > 0 ? '+' : '-', (dvi->pos.z) > 0 ? (dvi->pos.z) : -(dvi->pos.z), (dvi->pos.v), vv) ; } while(0); |
| 1457 | dvi->pos.vv = vv; |
| 1458 | return 0; |
| 1459 | } |
| 1460 | |
| 1461 | int sel_font(DviContext *dvi, int opcode) |
| 1462 | { |
| 1463 | DviFontRef *ref; |
| 1464 | int ndx; |
| 1465 | |
| 1466 | ndx = opcode - DVI_FNT_NUM0171; |
| 1467 | if(dvi->depth) |
| 1468 | ref = font_find_flat(dvi, ndx); |
| 1469 | else |
| 1470 | ref = dvi->findref(dvi, ndx); |
| 1471 | if(ref == NULL((void*)0)) { |
| 1472 | dvierr(dvi, _("font %d is not defined\n")gettext("font %d is not defined\n"), |
| 1473 | opcode - DVI_FNT_NUM0171); |
| 1474 | return -1; |
| 1475 | } |
| 1476 | SHOWCMD((dvi, "fntnum", opcode - DVI_FNT_NUM0,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fntnum", opcode - 171, "current font is %s\n", ref->ref-> fontname); } while(0) |
| 1477 | "current font is %s\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fntnum", opcode - 171, "current font is %s\n", ref->ref-> fontname); } while(0) |
| 1478 | ref->ref->fontname))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fntnum", opcode - 171, "current font is %s\n", ref->ref-> fontname); } while(0); |
| 1479 | dvi->currfont = ref; |
| 1480 | return 0; |
| 1481 | } |
| 1482 | |
| 1483 | int sel_fontn(DviContext *dvi, int opcode) |
| 1484 | { |
| 1485 | Int32 arg; |
| 1486 | DviFontRef *ref; |
| 1487 | |
| 1488 | arg = dugetn(dvi, opcode - DVI_FNT1235 + 1); |
| 1489 | if(dvi->depth) |
| 1490 | ref = font_find_flat(dvi, arg); |
| 1491 | else |
| 1492 | ref = dvi->findref(dvi, arg); |
| 1493 | if(ref == NULL((void*)0)) { |
| 1494 | dvierr(dvi, _("font %d is not defined\n")gettext("font %d is not defined\n"), arg); |
| 1495 | return -1; |
| 1496 | } |
| 1497 | SHOWCMD((dvi, "fnt", opcode - DVI_FNT1 + 1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fnt", opcode - 235 + 1, "current font is %s (id %d)\n", ref ->ref->fontname, arg); } while(0) |
| 1498 | "current font is %s (id %d)\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fnt", opcode - 235 + 1, "current font is %s (id %d)\n", ref ->ref->fontname, arg); } while(0) |
| 1499 | ref->ref->fontname, arg))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fnt", opcode - 235 + 1, "current font is %s (id %d)\n", ref ->ref->fontname, arg); } while(0); |
| 1500 | dvi->currfont = ref; |
| 1501 | return 0; |
| 1502 | } |
| 1503 | |
| 1504 | int special(DviContext *dvi, int opcode) |
| 1505 | { |
| 1506 | char *s; |
| 1507 | Int32 arg; |
| 1508 | |
| 1509 | arg = dugetn(dvi, opcode - DVI_XXX1239 + 1); |
| 1510 | if (arg <= 0) { |
| 1511 | dvierr(dvi, _("malformed special length\n")gettext("malformed special length\n")); |
| 1512 | return -1; |
| 1513 | } |
| 1514 | s = mdvi_malloc(arg + 1); |
| 1515 | dread(dvi, s, arg); |
| 1516 | s[arg] = 0; |
| 1517 | mdvi_do_special(dvi, s); |
| 1518 | SHOWCMD((dvi, "XXXX", opcode - DVI_XXX1 + 1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "XXXX", opcode - 239 + 1, "[%s]", s); } while(0) |
| 1519 | "[%s]", s))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "XXXX", opcode - 239 + 1, "[%s]", s); } while(0); |
| 1520 | mdvi_free(s); |
| 1521 | return 0; |
| 1522 | } |
| 1523 | |
| 1524 | int def_font(DviContext *dvi, int opcode) |
| 1525 | { |
| 1526 | DviFontRef *ref; |
| 1527 | Int32 arg; |
| 1528 | |
| 1529 | arg = dugetn(dvi, opcode - DVI_FNT_DEF1243 + 1); |
| 1530 | if(dvi->depth) |
| 1531 | ref = font_find_flat(dvi, arg); |
| 1532 | else |
| 1533 | ref = dvi->findref(dvi, arg); |
| 1534 | /* skip the rest */ |
| 1535 | dskip(dvi, 12); |
| 1536 | dskip(dvi, duget1(dvi)dugetn((dvi), 1) + duget1(dvi)dugetn((dvi), 1)); |
| 1537 | if(ref == NULL((void*)0)) { |
| 1538 | dvierr(dvi, _("font %d is not defined in postamble\n")gettext("font %d is not defined in postamble\n"), arg); |
| 1539 | return -1; |
| 1540 | } |
| 1541 | SHOWCMD((dvi, "fntdef", opcode - DVI_FNT_DEF1 + 1,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fntdef", opcode - 243 + 1, "%d -> %s (%d links)\n", ref-> fontid, ref->ref->fontname, ref->ref->links); } while (0) |
| 1542 | "%d -> %s (%d links)\n",if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fntdef", opcode - 243 + 1, "%d -> %s (%d links)\n", ref-> fontid, ref->ref->fontname, ref->ref->links); } while (0) |
| 1543 | ref->fontid, ref->ref->fontname,if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fntdef", opcode - 243 + 1, "%d -> %s (%d links)\n", ref-> fontid, ref->ref->fontname, ref->ref->links); } while (0) |
| 1544 | ref->ref->links))if(_mdvi_debug_mask & (1 << 0)) do { dviprint (dvi, "fntdef", opcode - 243 + 1, "%d -> %s (%d links)\n", ref-> fontid, ref->ref->fontname, ref->ref->links); } while (0); |
| 1545 | return 0; |
| 1546 | } |
| 1547 | |
| 1548 | int unexpected(DviContext *dvi, int opcode) |
| 1549 | { |
| 1550 | dvierr(dvi, _("unexpected opcode %d\n")gettext("unexpected opcode %d\n"), opcode); |
| 1551 | return -1; |
| 1552 | } |
| 1553 | |
| 1554 | int undefined(DviContext *dvi, int opcode) |
| 1555 | { |
| 1556 | dvierr(dvi, _("undefined opcode %d\n")gettext("undefined opcode %d\n"), opcode); |
| 1557 | return -1; |
| 1558 | } |
| 1559 |