| File: | backend/dvi/mdvi-lib/dviread.c |
| Warning: | line 1091, column 6 Out of bound memory access (accessed memory precedes memory block) |
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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
| |||
| 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) { | |||
| 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 |