summaryrefslogtreecommitdiff
path: root/Build/source/texk/dvipsk/dvips.h
blob: 276efbe0380128b6f78353f42b4d8e695d12b9be (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
/*   $Id$
 *   Copyright 1986-2020 Tomas Rokicki.
 *   This is dvips, a freely redistributable PostScript driver
 *   for dvi files. You may freely use, modify and/or distribute this
 *   program or any portion thereof.
 */

/*   This file is the header for dvips's global data structures. */

#define CREATIONDATE

#define MAX_CODE 0x110000
#define MAX_2BYTES_CODE 0x10000
#define VF_MEM_UNIT 0x10000
#define CD_IDX(i)  ((i>=MAX_2BYTES_CODE ? MAX_2BYTES_CODE : i))

#define BANNER \
"This is dvips(k) 2020.1 Copyright 2020 Radical Eye Software"
#define BANNER2 "(www.radicaleye.com)"
#ifdef KPATHSEA
#include "config.h"
#include "debug.h"
#endif
/*   Please don't turn debugging off! */
#ifndef DEBUG
#define DEBUG
#endif

#ifndef KPATHSEA
#include <stdio.h>
#if defined(SYSV) || defined(VMS) || defined(__THINK__) || defined(MSDOS) || defined(OS2) || defined(ATARIST) || defined(WIN32)
#include <string.h>
#else
#include <strings.h>
#endif
#endif
#if defined(lint) && defined(sun)
extern char *sprintf();
#endif
#include "paths.h"
#include "debug.h"
#ifdef VMS
#include "[.vms]vms.h"
#endif /* VMS */
#include <stdlib.h>
/*
 *   Is your malloc big?
 */
#if defined(MSDOS) && !defined(__EMX__) && !defined(DJGPP)
#define SMALLMALLOC
#endif
#if defined(OS2) && defined(_MSC_VER)
#define SMALLMALLOC
#endif
/*
 *   Constants, used to increase or decrease the capacity of this program.
 *
 *   Strings are now more dynamically allocated, so STRINGSIZE is not the
 *   strict limit it once was.  However, it still sets the maximum size
 *   of a string that can be handled in specials, so it should not be
 *   set too small.
 */
#define STRINGSIZE (200000) /* maximum total chars in strings in program */
#define RASTERCHUNK (8192)  /* size of chunk of raster */
#define MINCHUNK (240)      /* minimum size char to get own raster */
#define STACKSIZE (500)     /* maximum stack size for dvi files */
#define MAXFRAME (50)       /* maximum depth of virtual font recursion */
#define MAXFONTHD (1024)    /* number of unique names of included fonts */
#define STDOUTSIZE (75)     /* width of a standard output line */
#define DOWNLOADEDPSSIZE (1000)  /* max number of downloaded fonts to check */
/*
 *   Other constants, which define printer-dependent stuff.
 */
#define SWMEM (180000)      /* available virtual memory in PostScript printer */
#define DPI (actualdpi)     /* dots per inch */
#define VDPI (vactualdpi)   /* dots per inch */
#define RES_TOLERANCE(dpi) ((int)(1+dpi/500))
                            /* error in file name resolution versus desired */
#define FONTCOST (298)      /* overhead cost of each sw font */
#define PSFONTCOST (1100)   /* overhead cost for PostScript fonts */
#define PSCHARCOST (20)     /* overhead cost for PostScript font chars */
#define DNFONTCOST (35000)  /* overhead cost for downloaded PS font */
#define CHARCOST (15)       /* overhead cost for each character */
#define OVERCOST (30000)    /* cost of overhead */
#define DICTITEMCOST (20)   /* cost per key, value in dictionary */
#define NAMECOST (40)       /* overhead cost of each new name */
/*
 *   Type declarations.  integer must be a 32-bit signed; shalfword must
 *   be a sixteen-bit signed; halfword must be a sixteen-bit unsigned;
 *   quarterword must be an eight-bit unsigned.
 */
#if (defined(MSDOS) && !defined(DJGPP)) || (defined(OS2) && defined(_MSC_VER)) || defined(ATARIST)
typedef long integer;
typedef unsigned long uinteger;
#else
typedef int integer;
typedef unsigned int uinteger;
#endif
#ifndef KPATHSEA
typedef char boolean;
#endif
typedef double real;
typedef short shalfword;
typedef unsigned short halfword;
typedef unsigned char quarterword;
#ifdef WIN32
#define Boolean boolean
#else
#ifndef __THINK__
typedef short Boolean;
#endif
#endif
/*
 *   If the machine has a default integer size of 16 bits, and 32-bit
 *   integers must be manipulated with %ld, set the macro SHORTINT.
 */
#ifdef XENIX
#define SHORTINT
#else
#undef SHORTINT
#endif
#if defined(MSDOS) && !defined(__EMX__) && !defined(DJGPP) || defined(ATARIST)
#define SHORTINT
#endif
#if defined(OS2) && defined(_MSC_VER)
#define SHORTINT
#endif

/*
 *   This is the structure definition for resident fonts.  We use
 *   a small and simple hash table to handle these.  We don't need
 *   a big hash table.
 */
#define RESHASHPRIME (73)
struct resfont {
   struct resfont *next;
   char *Keyname, *PSname, *TeXname, *Fontfile, *Vectfile;
   char *specialinstructions;
   char *downloadheader; /* possibly multiple files */
   quarterword sent;
};

/*
 *   A chardesc describes an individual character.  Before the fonts are
 *   downloaded, the flags indicate that the character has already been used
 *   with the following meanings:
 */
typedef struct tcd {
   integer TFMwidth;
   quarterword *packptr;
   shalfword pixelwidth;
   quarterword flags, flags2;
} chardesctype;
#define EXISTS (1)
#define PREVPAGE (2)
#define THISPAGE (4)
#define TOOBIG (8) /* not used at the moment */
#define REPACKED (16)
#define BIGCHAR (32)
#define STATUSFLAGS (EXISTS|REPACKED|BIGCHAR)
/*
 *   The new field flags2 above is now an immutable field (once a font is
 *   loaded); for now it only indicates whether a character EXISTS or not.
 *   This fixes a problem with -G.
 */
/*
 *   A fontdesc describes a font.  The name, area, and scalename are located in
 *   the string pool. The nextsize pointer is used to link fonts that are used
 *   in included psfiles and differ only in scaledsize.  Such fonts also have
 *   a non-NULL scalename that gives the scaledsize as found in the included
 *   file.  The psflag indicates that the font has been used in an included
 *   psfile.  It can be 0, PREVPAGE, THISPAGE, or EXISTS.
 */
typedef struct tfd {
   integer checksum, scaledsize, designsize, thinspace, dir;
   halfword dpi, loadeddpi;
   halfword alreadyscaled;
   halfword psname;
   halfword loaded;
   quarterword psflag;
   quarterword codewidth;
   integer maxchars;
   integer llx, lly, urx, ury ;
   char *name, *area;
   struct resfont *resfont;
   struct tft *localfonts;
   struct tfd *next;
   struct tfd *nextsize;
   char *scalename;
   chardesctype *chardesc;
   int iswide, kind;
} fontdesctype;

#define VF_TEX   (1)
#define VF_OMEGA (2)
#define VF_PTEX  (3)

/*  A fontmap associates a fontdesc with a font number.
 */
typedef struct tft {
   integer fontnum;
   fontdesctype *desc;
   struct tft *next;
} fontmaptype;

/*   Virtual fonts require a `macro' capability that is implemented by
 *   using a stack of `frames'.
 */
typedef struct {
   quarterword *curp, *curl;
   fontdesctype *curf;
   fontmaptype *ff;
} frametype;

/*
 *   The next type holds the font usage information in a 256-bit table;
 *   there's a 1 for each character that was used in a section.
 */
typedef struct {
   fontdesctype *fd;
   halfword psfused;
   halfword bitmap[16];
} charusetype;

/*   Next we want to record the relevant data for a section.  A section is
 *   a largest portion of the document whose font usage does not overflow
 *   the capacity of the printer.  (If a single page does overflow the
 *   capacity all by itself, it is made into its own section and a warning
 *   message is printed; the page is still printed.)
 *
 *   The sections are in a linked list, built during the prescan phase and
 *   processed in proper order (so that pages stack correctly on output) during
 *   the second phase.
 */
typedef struct t {
   integer bos;
   struct t *next;
   halfword numpages;
} sectiontype;

/*
 *   Sections are actually represented not by sectiontype but by a more
 *   complex data structure of variable size, having the following layout:
 *      sectiontype sect;
 *      charusetype charuse[numfonts];
 *      fontdesctype *sentinel = NULL;
 *   (Here numfonts is the number of bitmap fonts currently defined.)
 *    Since we can't declare this or take a sizeof it, we build it and
 *   manipulate it ourselves (see the end of the prescan routine).
 */
/*
 *   This is how we build up headers and other lists.
 */
struct header_list {
   struct header_list *next;
   const char *Hname;
   char *precode;
   char *postcode;
   char *name;
};
/*
 *   Some machines define putlong in their library.
 *   We get around this here.
 */
#define putlong was_putlong
/*
 *   Information on available paper sizes is stored here.
 */
struct papsiz {
   struct papsiz *next;
   integer xsize, ysize;
   const char *name;
   const char *specdat;
};
#ifdef MVSXA /* IBM: MVS/XA */
/* this is where we fix problems with conflicts for truncation
   of long names (we might only do this if LONGNAME not set but ...) */
#   define pprescanpages pprscnpgs  /* confict with pprescan */
#   define flushDashedPath flshDshdPth  /* conflict with flushDash */
#   define PageList PgList  /* re-definition conflict with pagelist  */
/* adding ascii2ebcdic conversion table to extern */
    extern char ascii2ebcdic[];
#endif  /* IBM: MVS/XA */
#ifdef VMCMS /* IBM: VM/CMS */
/* this is where we fix problems with conflicts for truncation
   of long names (we might only do this if LONGNAME not set but ...) */
#   define pprescanpages pprscnpgs  /* confict with pprescan */
#   define flushDashedPath flshDshdPth  /* conflict with flushDash */
/* adding ascii2ebcdic conversion table to extern */
    extern char ascii2ebcdic[];
/* redefining fopen for VMCMS, see DVIPSCMS.C */
    extern FILE *cmsfopen();
#   ifdef fopen
#      undef fopen
#   endif
#   define fopen cmsfopen
#define downloadpspk dnldpspk
#endif  /* IBM: VM/CMS */
/*
 *   Remove namespace conflict with standard library on Macintosh
 */
#ifdef __THINK__
#define newstring newpoolstring
#endif

#ifndef VOID
#define VOID void
#endif

#define USE_PCLOSE (801)
#define USE_FCLOSE (802)

/* output Unicode string on console in windows */
#if defined(KPATHSEA) && defined(WIN32)
#undef  perror
#define fprintf_str  win32_fprintf
#define fputs_str    win32_fputs
#define putc_str     win32_putc
#define perror       win32_perror
#else
#define fprintf_str  fprintf
#define fputs_str    fputs
#define putc_str     putc
#endif

/* Things that KPATHSEA knows, and are useful even without it. */
#if !defined(KPATHSEA)

#if defined(MSDOS) || defined(OS2) || defined(WIN32)
#define FOPEN_ABIN_MODE "ab"
#define FOPEN_RBIN_MODE "rb"
#else
#define FOPEN_ABIN_MODE "a"
#define FOPEN_RBIN_MODE "r"
#endif

#if (defined MSDOS || defined OS2 || defined WIN32)
#define WRITEBIN "wb"
#else
#ifdef VMCMS
#define WRITEBIN "wb, lrecl=1024, recfm=f"
#else
#define WRITEBIN "w"
#endif
#endif

#if defined(WIN32)
#define STDC_HEADERS
#include <io.h>
#include <fcntl.h>
#define O_BINARY _O_BINARY
#define register
#define SET_BINARY(fd) (void)_setmode((fd), _O_BINARY)
#else /* !WIN32 */
#define SET_BINARY(fd) (void)0
#endif

#if defined(DEVICESEP)
#define IS_DEVICE_SEP(c) ((c) == DEVICESEP)
#else
#define IS_DEVICE_SEP(c) 0
#endif
#define STREQ(s1, s2) (((s1) != NULL) && ((s2) != NULL) && !strcmp((s1), (s2)))

#if defined(MSDOS) || defined(OS2) || defined(WIN32)
#define NAME_BEGINS_WITH_DEVICE(name) (*(name) && IS_DEVICE_SEP((name)[1]))
#define IS_DIR_SEP(c) ((c) == '/' || (c) == '\\')
#define FILESTRCASEEQ(s1, s2) (strcasecmp (s1, s2) == 0)
#else
#define NAME_BEGINS_WITH_DEVICE(name) 0
#define IS_DIR_SEP(c) ((c) == DIRSEP)
#define FILESTRCASEEQ STREQ
#endif

#define TOLOWER(c) tolower(c)
#define ISALNUM(c) isalnum(c)
#define ISXDIGIT(c) (isascii (c) && isxdigit(c))

#endif