Coverage Report

Created: 2026-08-08 08:00

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/ghostpdl/psi/zfapi.c
Line
Count
Source
1
/* Copyright (C) 2001-2026 Artifex Software, Inc.
2
   All Rights Reserved.
3
4
   This software is provided AS-IS with no warranty, either express or
5
   implied.
6
7
   This software is distributed under license and may not be copied,
8
   modified or distributed except as expressly authorized under the terms
9
   of the license contained in the file LICENSE in this distribution.
10
11
   Refer to licensing information at http://www.artifex.com or contact
12
   Artifex Software, Inc.,  39 Mesa Street, Suite 108A, San Francisco,
13
   CA 94129, USA, for further information.
14
*/
15
16
17
/* Font API client */
18
19
#include "stdlib.h"             /* abs() */
20
21
#include "memory_.h"
22
#include "math_.h"
23
#include "stat_.h"              /* include before definition of esp macro, bug 691123 */
24
#include "string_.h"
25
#include "ghost.h"
26
#include "gp.h"
27
#include "oper.h"
28
#include "gxdevice.h"
29
#include "gxfont.h"
30
#include "gxfont1.h"
31
#include "gxchar.h"
32
#include "gzpath.h"
33
#include "gxpath.h"
34
#include "gxfcache.h"
35
#include "gxchrout.h"
36
#include "gximask.h"
37
#include "gscoord.h"
38
#include "gspaint.h"
39
#include "gsfont.h"
40
#include "gspath.h"
41
#include "bfont.h"
42
#include "dstack.h"
43
#include "estack.h"
44
#include "ichar.h"
45
#include "idict.h"
46
#include "iname.h"
47
#include "ifont.h"
48
#include "icid.h"
49
#include "igstate.h"
50
#include "icharout.h"
51
52
#include "ifapi.h"
53
#include "iplugin.h"
54
#include "store.h"
55
#include "gzstate.h"
56
/* #include "gdevpsf.h" */
57
#include "stream.h"             /* for files.h */
58
#include "gscrypt1.h"
59
#include "gxfcid.h"
60
#include "gsstype.h"
61
#include "gxchar.h"             /* for st_gs_show_enum */
62
#include "ipacked.h"            /* for packed_next */
63
#include "iddict.h"
64
#include "ifont42.h"            /* for string_array_access_proc */
65
#include "gdebug.h"
66
#include "gsimage.h"
67
#include "gxcldev.h"
68
#include "gxdevmem.h"
69
70
#include "gxfapi.h"
71
72
/* -------------------------------------------------------- */
73
74
typedef struct sfnts_reader_s sfnts_reader;
75
struct sfnts_reader_s
76
{
77
    ref *sfnts;
78
    const gs_memory_t *memory;
79
    const byte *p;
80
    long index;
81
    uint offset;
82
    uint length;
83
    int error;
84
         byte(*rbyte) (sfnts_reader *r);
85
         ushort(*rword) (sfnts_reader *r);
86
         ulong(*rlong) (sfnts_reader *r);
87
    int (*rstring) (sfnts_reader *r, byte *v, int length);
88
    void (*seek) (sfnts_reader *r, ulong pos);
89
};
90
91
static void
92
sfnts_next_elem(sfnts_reader *r)
93
402
{
94
402
    ref s;
95
402
    int code;
96
97
402
    if (r->error < 0)
98
0
        return;
99
402
    do {
100
402
      r->index++;
101
402
      code = array_get(r->memory, r->sfnts, r->index, &s);
102
402
        if (code < 0) {
103
20
            r->error = code;
104
20
            return;
105
20
        }
106
382
        if (!r_has_type(&s, t_string)) {
107
8
            r->error = gs_note_error(gs_error_typecheck);
108
8
            return;
109
8
        }
110
374
      r->p = s.value.const_bytes;
111
374
      r->length = r_size(&s) & ~(uint) 1; /* See Adobe Technical Note # 5012, section 4.2. */
112
374
    } while (r->length == 0);
113
374
    r->offset = 0;
114
374
}
115
116
static inline byte
117
sfnts_reader_rbyte_inline(sfnts_reader *r)
118
6.48k
{
119
6.48k
    if (r->offset >= r->length)
120
0
        sfnts_next_elem(r);
121
6.48k
    return ((r->error < 0) ? 0 : r->p[r->offset++]);
122
6.48k
}
123
124
static byte
125
sfnts_reader_rbyte(sfnts_reader *r)
126
0
{                               /* old compiler compatibility */
127
0
    return (sfnts_reader_rbyte_inline(r));
128
0
}
129
130
480
#define SFNTS_READER_RBYTE_TO_USHORT(r) ((ulong)sfnts_reader_rbyte_inline(r))
131
132
static ushort
133
sfnts_reader_rword(sfnts_reader *r)
134
240
{
135
240
    ushort retval;
136
137
240
    retval = SFNTS_READER_RBYTE_TO_USHORT(r) << 8;
138
240
    retval += SFNTS_READER_RBYTE_TO_USHORT(r);
139
140
240
    return retval;
141
240
}
142
143
#undef SFNTS_READER_RBYTE_TO_USHORT
144
145
6.00k
#define SFNTS_READER_RBYTE_TO_ULONG(r) ((ulong)sfnts_reader_rbyte_inline(r))
146
147
static ulong
148
sfnts_reader_rlong(sfnts_reader *r)
149
1.50k
{
150
1.50k
    ulong retval;
151
1.50k
    retval = SFNTS_READER_RBYTE_TO_ULONG(r) << 24;
152
1.50k
    retval += SFNTS_READER_RBYTE_TO_ULONG(r) << 16;
153
1.50k
    retval += SFNTS_READER_RBYTE_TO_ULONG(r) << 8;
154
1.50k
    retval += SFNTS_READER_RBYTE_TO_ULONG(r);
155
1.50k
    return retval;
156
1.50k
}
157
158
#undef SFNTS_READER_RWORD_TO_LONG
159
160
static int
161
sfnts_reader_rstring(sfnts_reader *r, byte *v, int length)
162
504
{
163
504
    int rlength = length;
164
165
504
    if (length <= 0)
166
0
        return (0);
167
528
    while (r->error >= 0) {
168
516
        int l = min(length, r->length - r->offset);
169
170
516
        memcpy(v, r->p + r->offset, l);
171
516
        length -= l;
172
516
        r->offset += l;
173
516
        if (length <= 0)
174
492
            return (rlength);
175
24
        v += l;
176
24
        sfnts_next_elem(r);
177
24
    }
178
12
    return (rlength - length);
179
504
}
180
181
static void
182
sfnts_reader_seek(sfnts_reader *r, ulong pos)
183
40
{                               /* fixme : optimize */
184
40
    ulong skipped = 0;
185
186
40
    r->index = -1;
187
40
    sfnts_next_elem(r);
188
318
    while (skipped + r->length < pos && r->error >= 0) {
189
278
        skipped += r->length;
190
278
        sfnts_next_elem(r);
191
278
    }
192
40
    r->offset = pos - skipped;
193
40
}
194
195
static void
196
sfnts_reader_init(const gs_memory_t *mem, sfnts_reader *r, ref *pdr)
197
60
{
198
60
    r->memory = mem;
199
60
    r->rbyte = sfnts_reader_rbyte;
200
60
    r->rword = sfnts_reader_rword;
201
60
    r->rlong = sfnts_reader_rlong;
202
60
    r->rstring = sfnts_reader_rstring;
203
60
    r->seek = sfnts_reader_seek;
204
60
    r->index = -1;
205
60
    r->error = 0;
206
60
    if (r_type(pdr) != t_dictionary ||
207
60
        dict_find_string(pdr, "sfnts", &r->sfnts) <= 0)
208
0
        r->error = gs_error_undefined;
209
60
    sfnts_next_elem(r);
210
60
}
211
212
/* -------------------------------------------------------- */
213
214
typedef struct sfnts_writer_s sfnts_writer;
215
struct sfnts_writer_s
216
{
217
    byte *buf, *p;
218
    int buf_size;
219
    void (*wbyte) (sfnts_writer *w, byte v);
220
    void (*wword) (sfnts_writer *w, ushort v);
221
    void (*wlong) (sfnts_writer *w, ulong v);
222
    void (*wstring) (sfnts_writer *w, byte *v, int length);
223
};
224
225
static void
226
sfnts_writer_wbyte(sfnts_writer *w, byte v)
227
4
{
228
4
    if (w->buf + w->buf_size < w->p + 1)
229
0
        return;                 /* safety */
230
4
    w->p[0] = v;
231
4
    w->p++;
232
4
}
233
234
static void
235
sfnts_writer_wword(sfnts_writer *w, ushort v)
236
120
{
237
120
    if (w->buf + w->buf_size < w->p + 2)
238
0
        return;                 /* safety */
239
120
    w->p[0] = v / 256;
240
120
    w->p[1] = v % 256;
241
120
    w->p += 2;
242
120
}
243
244
static void
245
sfnts_writer_wlong(sfnts_writer *w, ulong v)
246
570
{
247
570
    if (w->buf + w->buf_size < w->p + 4)
248
0
        return;                 /* safety */
249
570
    w->p[0] = v >> 24;
250
570
    w->p[1] = (v >> 16) & 0xFF;
251
570
    w->p[2] = (v >> 8) & 0xFF;
252
570
    w->p[3] = v & 0xFF;
253
570
    w->p += 4;
254
570
}
255
256
static void
257
sfnts_writer_wstring(sfnts_writer *w, byte *v, int length)
258
204
{
259
204
    if (w->buf + w->buf_size < w->p + length)
260
0
        return;                 /* safety */
261
204
    memcpy(w->p, v, length);
262
204
    w->p += length;
263
204
}
264
265
static const sfnts_writer sfnts_writer_stub = {
266
    0, 0, 0,
267
    sfnts_writer_wbyte,
268
    sfnts_writer_wword,
269
    sfnts_writer_wlong,
270
    sfnts_writer_wstring
271
};
272
273
/* -------------------------------------------------------- */
274
275
static inline bool
276
sfnts_need_copy_table(byte *tag)
277
764
{
278
764
    return (memcmp(tag, "glyf", 4) && memcmp(tag, "glyx", 4) && /* Presents in files created by AdobePS5.dll Version 5.1.2 */
279
672
            memcmp(tag, "loca", 4) && memcmp(tag, "locx", 4) && /* Presents in files created by AdobePS5.dll Version 5.1.2 */
280
580
            memcmp(tag, "cmap", 4));
281
764
}
282
283
static void
284
sfnt_copy_table(sfnts_reader *r, sfnts_writer *w, int length)
285
40
{
286
40
    byte buf[1024];
287
288
64
    while (length > 0 && r->error >= 0) {
289
24
        int l = min(length, sizeof(buf));
290
291
24
        (void)r->rstring(r, buf, l);
292
24
        w->wstring(w, buf, l);
293
24
        length -= l;
294
24
    }
295
40
}
296
297
static int
298
sfnts_copy_except_glyf(sfnts_reader *r, sfnts_writer *w)
299
60
{                               /* Note : TTC is not supported and probably is unuseful for Type 42. */
300
    /* This skips glyf, loca and cmap from copying. */
301
60
    struct
302
60
    {
303
60
        byte tag[4];
304
60
        ulong checkSum, offset, offset_new, length;
305
60
    } tables[40];
306
60
    const ushort alignment = 4; /* Not sure, maybe 2 */
307
60
    ulong version = r->rlong(r);
308
60
    ushort num_tables = r->rword(r);
309
60
    ushort i, num_tables_new = 0;
310
60
    ushort searchRange, entrySelector = 0, rangeShift, v;
311
60
    ulong size_new = 12;
312
313
60
    if (num_tables > countof(tables)) {
314
0
        r->error = gs_note_error(gs_error_invalidfont);
315
0
        return r->error;
316
0
    }
317
318
60
    r->rword(r);                /* searchRange */
319
60
    if (r->error < 0)
320
0
        return r->error;
321
322
60
    r->rword(r);                /* entrySelector */
323
60
    if (r->error < 0)
324
0
        return r->error;
325
326
60
    r->rword(r);                /* rangeShift */
327
60
    if (r->error < 0)
328
0
        return r->error;
329
330
540
    for (i = 0; i < num_tables && r->error >= 0; i++) {
331
480
        (void)r->rstring(r, tables[i].tag, 4);
332
480
        if (r->error < 0)
333
0
            continue;
334
480
        tables[i].checkSum = r->rlong(r);
335
480
        tables[i].offset = r->rlong(r);
336
480
        tables[i].length = r->rlong(r);
337
480
        tables[i].offset_new = size_new;
338
480
        if (sfnts_need_copy_table(tables[i].tag)) {
339
360
            num_tables_new++;
340
360
            size_new +=
341
360
                (tables[i].length + alignment - 1) / alignment * alignment;
342
360
        }
343
480
    }
344
60
    if (r->error < 0)
345
0
        return r->error;
346
60
    size_new += num_tables_new * 16;
347
60
    if (w == 0) {
348
30
        return size_new;
349
30
    }
350
30
    searchRange = v = num_tables_new * 16;
351
240
    for (i = 0; v; i++) {
352
210
        v >>= 1;
353
210
        searchRange |= v;
354
210
        entrySelector++;
355
210
    }
356
30
    searchRange -= searchRange >> 1;
357
30
    rangeShift = num_tables_new * 16 - searchRange;
358
359
30
    w->wlong(w, version);
360
30
    w->wword(w, num_tables_new);
361
30
    w->wword(w, searchRange);
362
30
    w->wword(w, entrySelector);
363
30
    w->wword(w, rangeShift);
364
270
    for (i = 0; i < num_tables; i++) {
365
240
        if (sfnts_need_copy_table(tables[i].tag)) {
366
180
            w->wstring(w, tables[i].tag, 4);
367
180
            w->wlong(w, tables[i].checkSum);
368
180
            w->wlong(w, tables[i].offset_new + num_tables_new * 16);
369
180
            w->wlong(w, tables[i].length);
370
180
        }
371
240
    }
372
74
    for (i = 0; i < num_tables && r->error >= 0; i++) {
373
44
        if (sfnts_need_copy_table(tables[i].tag)) {
374
40
            int k = tables[i].length;
375
376
40
            r->seek(r, tables[i].offset);
377
378
40
            if (w->p - w->buf != tables[i].offset_new + num_tables_new * 16) {
379
0
                r->error = gs_error_invalidfont;       /* the algorithm consistency check */
380
0
                continue;
381
0
            }
382
40
            sfnt_copy_table(r, w, tables[i].length);
383
44
            for (; k & (alignment - 1); k++)
384
4
                w->wbyte(w, 0);
385
40
        }
386
44
    }
387
30
    if (r->error < 0)
388
28
        return r->error;
389
390
2
    return (size_new);
391
30
}
392
393
static int
394
true_type_size(const gs_memory_t *mem, ref *pdr, unsigned long int *length)
395
30
{
396
30
    sfnts_reader r;
397
398
30
    sfnts_reader_init(mem, &r, pdr);
399
30
    *length = sfnts_copy_except_glyf(&r, 0);
400
401
30
    return r.error;
402
30
}
403
404
static int
405
FAPI_FF_serialize_tt_font(gs_fapi_font *ff, void *buf, int buf_size)
406
30
{
407
30
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
408
30
    sfnts_reader r;
409
30
    sfnts_writer w = sfnts_writer_stub;
410
411
30
    w.buf_size = buf_size;
412
30
    w.buf = w.p = buf;
413
30
    sfnts_reader_init(ff->memory, &r, pdr);
414
30
    return sfnts_copy_except_glyf(&r, &w);
415
30
}
416
417
static inline ushort
418
float_to_ushort(float v)
419
2.06M
{
420
2.06M
    return ((ushort) (v * 16)); /* fixme : the scale may depend on renderer */
421
2.06M
}
422
423
/* In general, we assumed that the entries we use below have been validated (at least for type)
424
 * at definefont time. This means validating each entry only once, rather than on every read
425
 * here. Better, for example, for BlendDesignMap which is an array, of arrays, of arrays of
426
 * numbers.
427
 */
428
static int
429
FAPI_FF_get_word(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index, unsigned short *ret)
430
3.97M
{
431
3.97M
    gs_font_type1 *pfont = (gs_font_type1 *) ff->client_font_data;
432
3.97M
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
433
3.97M
    int code = 0;
434
435
3.97M
    switch ((int)var_id) {
436
0
        case gs_fapi_font_feature_Weight:
437
0
            *ret = 0;           /* wrong */
438
0
            break;
439
0
        case gs_fapi_font_feature_ItalicAngle:
440
0
            *ret = 0;           /* wrong */
441
0
            break;
442
0
        case gs_fapi_font_feature_IsFixedPitch:
443
0
            *ret = 0;           /* wrong */
444
0
            break;
445
0
        case gs_fapi_font_feature_UnderLinePosition:
446
0
            *ret = 0;           /* wrong */
447
0
            break;
448
0
        case gs_fapi_font_feature_UnderlineThickness:
449
0
            *ret = 0;           /* wrong */
450
0
            break;
451
65.8k
        case gs_fapi_font_feature_FontType:
452
65.8k
            *ret = (pfont->FontType == 2 ? 2 : 1);
453
65.8k
            break;
454
526k
        case gs_fapi_font_feature_FontBBox:
455
526k
            switch (index) {
456
131k
                case 0:
457
131k
                    *ret = ((ushort) pfont->FontBBox.p.x);
458
131k
                    break;
459
131k
                case 1:
460
131k
                    *ret = ((ushort) pfont->FontBBox.p.y);
461
131k
                    break;
462
131k
                case 2:
463
131k
                    *ret = ((ushort) pfont->FontBBox.q.x);
464
131k
                    break;
465
131k
                case 3:
466
131k
                    *ret = ((ushort) pfont->FontBBox.q.y);
467
131k
                    break;
468
0
                default:
469
0
                    code = gs_note_error(gs_error_rangecheck);
470
526k
            }
471
526k
            break;
472
526k
        case gs_fapi_font_feature_BlueValues_count:
473
131k
            *ret = pfont->data.BlueValues.count;
474
131k
            break;
475
1.01M
        case gs_fapi_font_feature_BlueValues:
476
1.01M
            *ret =  (float_to_ushort(pfont->data.BlueValues.values[index]));
477
1.01M
            break;
478
131k
        case gs_fapi_font_feature_OtherBlues_count:
479
131k
            *ret = pfont->data.OtherBlues.count;
480
131k
            break;
481
0
        case gs_fapi_font_feature_OtherBlues:
482
0
            *ret = (float_to_ushort(pfont->data.OtherBlues.values[index]));
483
0
            break;
484
131k
        case gs_fapi_font_feature_FamilyBlues_count:
485
131k
            *ret = pfont->data.FamilyBlues.count;
486
131k
            break;
487
0
        case gs_fapi_font_feature_FamilyBlues:
488
0
            *ret = (float_to_ushort(pfont->data.FamilyBlues.values[index]));
489
0
            break;
490
131k
        case gs_fapi_font_feature_FamilyOtherBlues_count:
491
131k
            *ret = pfont->data.FamilyOtherBlues.count;
492
131k
            break;
493
0
        case gs_fapi_font_feature_FamilyOtherBlues:
494
0
            *ret = (float_to_ushort(pfont->data.FamilyOtherBlues.values[index]));
495
0
            break;
496
131k
        case gs_fapi_font_feature_BlueShift:
497
131k
            *ret = float_to_ushort(pfont->data.BlueShift);
498
131k
            break;
499
131k
        case gs_fapi_font_feature_BlueFuzz:
500
131k
            *ret = float_to_ushort(pfont->data.BlueShift);
501
131k
            break;
502
131k
        case gs_fapi_font_feature_StdHW:
503
131k
            *ret = (pfont->data.StdHW.count == 0 ? 0 : float_to_ushort(pfont->data.StdHW.values[0]));   /* UFST bug ? */
504
131k
            break;
505
131k
        case gs_fapi_font_feature_StdVW:
506
131k
            *ret = (pfont->data.StdVW.count == 0 ? 0 : float_to_ushort(pfont->data.StdVW.values[0]));   /* UFST bug ? */
507
131k
            break;
508
131k
        case gs_fapi_font_feature_StemSnapH_count:
509
131k
            *ret = pfont->data.StemSnapH.count;
510
131k
            break;
511
263k
        case gs_fapi_font_feature_StemSnapH:
512
263k
            *ret = float_to_ushort(pfont->data.StemSnapH.values[index]);
513
263k
            break;
514
131k
        case gs_fapi_font_feature_StemSnapV_count:
515
131k
            *ret = pfont->data.StemSnapV.count;
516
131k
            break;
517
260k
        case gs_fapi_font_feature_StemSnapV:
518
260k
            *ret = float_to_ushort(pfont->data.StemSnapV.values[index]);
519
260k
            break;
520
131k
        case gs_fapi_font_feature_ForceBold:
521
131k
            *ret = pfont->data.ForceBold;
522
131k
            break;
523
0
        case gs_fapi_font_feature_LanguageGroup:
524
0
            *ret = pfont->data.LanguageGroup;
525
0
            break;
526
0
        case gs_fapi_font_feature_lenIV:
527
0
            *ret = ff->need_decrypt ? 0 : pfont->data.lenIV;
528
0
            break;
529
0
        case gs_fapi_font_feature_GlobalSubrs_count:
530
0
            {
531
0
                ref *Private, *GlobalSubrs;
532
533
0
                if (pfont->FontType == ft_encrypted2) {
534
0
                    if (dict_find_string_with_type(pdr, "Private", &Private, t_dictionary) <= 0) {
535
0
                        *ret = 0;
536
0
                        break;
537
0
                    }
538
0
                    if (dict_find_string(Private, "GlobalSubrs", &GlobalSubrs) <= 0) {
539
0
                        *ret = 0;
540
0
                        break;
541
0
                    }
542
0
                    *ret = r_size(GlobalSubrs);
543
0
                    break;
544
0
                }
545
0
                *ret = 0;
546
0
                break;
547
0
            }
548
131k
        case gs_fapi_font_feature_Subrs_count:
549
131k
            {
550
131k
                ref *Private, *Subrs;
551
552
131k
                if (dict_find_string_with_type(pdr, "Private", &Private, t_dictionary) <= 0) {
553
0
                    *ret = 0;
554
0
                    break;
555
0
                }
556
131k
                if (dict_find_string_with_type(Private, "Subrs", &Subrs, t_array) <= 0) {
557
0
                    *ret = 0;
558
0
                    break;
559
0
                }
560
131k
                *ret = r_size(Subrs);
561
131k
                break;
562
131k
            }
563
0
        case gs_fapi_font_feature_CharStrings_count:
564
0
            {
565
0
                ref *CharStrings;
566
567
0
                if (dict_find_string_with_type(pdr, "CharStrings", &CharStrings, t_dictionary) <= 0)
568
0
                    *ret = 0;
569
0
                else
570
0
                    *ret = dict_maxlength(CharStrings);
571
0
                break;
572
131k
            }
573
            /* Multiple Master specific */
574
263k
        case gs_fapi_font_feature_DollarBlend:
575
263k
            {
576
263k
                ref *DBlend;
577
578
263k
                if (dict_find_string(pdr, "$Blend", &DBlend) <= 0)
579
263k
                    *ret = 0;
580
4
                else
581
4
                    *ret = 1;
582
263k
                break;
583
131k
            }
584
6
        case gs_fapi_font_feature_BlendAxisTypes_count:
585
6
            {
586
6
                ref *Info, *Axes;
587
588
6
                if (dict_find_string_with_type(pdr, "FontInfo", &Info, t_dictionary) <= 0) {
589
0
                    *ret = 0;
590
0
                    break;
591
0
                }
592
6
                if (dict_find_string_with_type(Info, "BlendAxisTypes", &Axes, t_array) <= 0) {
593
0
                    *ret = 0;
594
0
                    break;
595
0
                }
596
6
                *ret = r_size(Axes);
597
6
                break;
598
6
            }
599
0
        case gs_fapi_font_feature_BlendFontInfo_count:
600
0
            {
601
0
                ref *Info, *FontInfo;
602
603
0
                if (dict_find_string_with_type(pdr, "Blend", &Info, t_dictionary) <= 0) {
604
0
                    *ret = 0;
605
0
                    break;
606
0
                }
607
0
                if (dict_find_string_with_type(Info, "FontInfo", &FontInfo, t_dictionary) <= 0) {
608
0
                    *ret = 0;
609
0
                    break;
610
0
                }
611
0
                *ret = dict_length(FontInfo);
612
0
                break;
613
0
            }
614
0
        case gs_fapi_font_feature_BlendPrivate_count:
615
0
            {
616
0
                ref *Info, *Private;
617
618
0
                if (dict_find_string_with_type(pdr, "Blend", &Info, t_dictionary) <= 0) {
619
0
                    *ret = 0;
620
0
                    break;
621
0
                }
622
0
                if (dict_find_string_with_type(Info, "Private", &Private, t_dictionary) <= 0) {
623
0
                    *ret = 0;
624
0
                    break;
625
0
                }
626
0
                *ret = dict_length(Private);
627
0
                break;
628
0
            }
629
2
        case gs_fapi_font_feature_WeightVector_count:
630
2
            {
631
2
                *ret = pfont->data.WeightVector.count;
632
2
                break;
633
0
            }
634
4
        case gs_fapi_font_feature_BlendDesignPositionsArrays_count:
635
4
            {
636
4
                ref *Info, *Array;
637
638
4
                if (dict_find_string_with_type(pdr, "FontInfo", &Info, t_dictionary) <= 0) {
639
0
                    *ret = 0;
640
0
                    break;
641
0
                }
642
4
                if (dict_find_string_with_type(Info, "BlendDesignPositions", &Array, t_array) <= 0) {
643
0
                    *ret = 0;
644
0
                    break;
645
0
                }
646
4
                *ret = r_size(Array);
647
4
                break;
648
4
            }
649
4
        case gs_fapi_font_feature_BlendDesignMapArrays_count:
650
4
            {
651
4
                ref *Info, *Array;
652
653
4
                if (dict_find_string_with_type(pdr, "FontInfo", &Info, t_dictionary) <= 0) {
654
0
                    *ret = 0;
655
0
                    break;
656
0
                }
657
4
                if (dict_find_string_with_type(Info, "BlendDesignMap", &Array, t_array) <= 0) {
658
0
                    *ret = 0;
659
0
                    break;
660
0
                }
661
4
                *ret = r_size(Array);
662
4
                break;
663
4
            }
664
2
        case gs_fapi_font_feature_BlendDesignMapSubArrays_count:
665
2
            {
666
2
                ref *Info, *Array, SubArray;
667
668
2
                if (dict_find_string_with_type(pdr, "FontInfo", &Info, t_dictionary) <= 0) {
669
0
                    *ret = 0;
670
0
                    break;
671
0
                }
672
2
                if (dict_find_string_with_type(Info, "BlendDesignMap", &Array, t_array) <= 0) {
673
0
                    *ret = 0;
674
0
                    break;
675
0
                }
676
2
                if (array_get_with_type(ff->memory, Array, index, &SubArray, t_array) < 0) {
677
0
                    *ret = 0;
678
0
                    break;
679
0
                }
680
2
                *ret = r_size(&SubArray);
681
2
                break;
682
2
            }
683
2
        case gs_fapi_font_feature_DollarBlend_length:
684
2
            {
685
2
                ref *DBlend, Element, string;
686
2
                int i, length = 0;
687
2
                char Buffer[32];
688
689
2
                if (dict_find_string(pdr, "$Blend", &DBlend) <= 0) {
690
0
                    *ret = 0;
691
0
                    break;
692
0
                }
693
8
                for (i = 0; i < r_size(DBlend); i++) {
694
                    /* When reading the real proc, we add a space between each entry */
695
6
                    length++;
696
6
                    if (array_get(ff->memory, DBlend, i, &Element) < 0) {
697
0
                        length = 0;
698
0
                        break;
699
0
                    }
700
6
                    switch (r_btype(&Element)) {
701
0
                        case t_name:
702
0
                            name_string_ref(ff->memory, &Element, &string);
703
0
                            length += r_size(&string);
704
0
                            break;
705
2
                        case t_real:
706
2
                            gs_snprintf(Buffer, sizeof(Buffer), "%f", Element.value.realval);
707
2
                            length += strlen(Buffer);
708
2
                            break;
709
0
                        case t_integer:
710
0
                            gs_snprintf(Buffer, sizeof(Buffer), "%"PRIpsint, Element.value.intval);
711
0
                            length += strlen(Buffer);
712
0
                            break;
713
4
                        case t_operator:
714
4
                            {
715
4
                                op_def const *op;
716
717
4
                                op = op_index_def(r_size(&Element));
718
4
                                length += strlen(op->oname + 1);
719
4
                            }
720
4
                            break;
721
0
                        default:
722
0
                            break;
723
6
                    }
724
725
6
                    if (length > max_ushort) {
726
0
                        length = 0;
727
0
                        break;
728
0
                    }
729
6
                 }
730
2
                *ret = length;
731
2
                break;
732
2
            }
733
2
        case gs_fapi_font_feature_BlendFontBBox_length:
734
2
            {
735
2
                ref *Blend, *bfbbox, bfbbox0;
736
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
737
0
                    *ret = 0;
738
0
                    break;
739
0
                }
740
741
2
                if (dict_find_string_with_type(Blend, "FontBBox", &bfbbox, t_array) <= 0) {
742
0
                    *ret = 0;
743
0
                    break;
744
0
                }
745
2
                if (array_get_with_type(ff->memory, bfbbox, 0, &bfbbox0, t_array) < 0) {
746
0
                    *ret = 0;
747
0
                    break;
748
0
                }
749
2
                *ret = (ushort)r_size(&bfbbox0);
750
2
                break;
751
2
            }
752
16
        case gs_fapi_font_feature_BlendFontBBox:
753
16
            {
754
16
                ref *Blend, *bfbbox, subbfbbox, val;
755
16
                int aind, ind;
756
16
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
757
0
                    *ret = 0;
758
0
                    break;
759
0
                }
760
16
                if (dict_find_string_with_type(Blend, "FontBBox", &bfbbox, t_array) <= 0) {
761
0
                    *ret = 0;
762
0
                    break;
763
0
                }
764
16
                ind = index % 4;
765
16
                aind = (index - ind) /4;
766
16
                if (array_get_with_type(ff->memory, bfbbox, aind, &subbfbbox, t_array) < 0) {
767
0
                    *ret = 0;
768
0
                    break;
769
0
                }
770
16
                if (array_get_with_type(ff->memory, &subbfbbox, ind, &val, t_integer) < 0) {
771
0
                    *ret = 0;
772
0
                    break;
773
0
                }
774
775
16
                *ret = (ushort)val.value.intval;
776
16
                break;
777
16
            }
778
2
        case gs_fapi_font_feature_BlendBlueValues_length:
779
2
            {
780
2
                ref *Priv, *Blend, *bbv;
781
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
782
0
                    *ret = 0;
783
0
                    break;
784
0
                }
785
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
786
0
                    *ret = 0;
787
0
                    break;
788
0
                }
789
2
                if (dict_find_string_with_type(Priv, "BlueValues", &bbv, t_array) <= 0) {
790
2
                    *ret = 0;
791
2
                    break;
792
2
                }
793
0
                *ret = (ushort)r_size(bbv);
794
0
                break;
795
2
            }
796
0
        case gs_fapi_font_feature_BlendBlueValues_count:
797
0
            {
798
0
                ref *Priv, *Blend, *bbv, sub;
799
800
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
801
0
                    *ret = 0;
802
0
                    break;
803
0
                }
804
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
805
0
                    *ret = 0;
806
0
                    break;
807
0
                }
808
0
                if (dict_find_string_with_type(Priv, "BlueValues", &bbv, t_array) <= 0) {
809
0
                    *ret = 0;
810
0
                    break;
811
0
                }
812
0
                if (array_get_with_type(ff->memory, bbv, index, &sub, t_array) < 0) {
813
0
                    *ret = 0;
814
0
                    break;
815
0
                }
816
0
                *ret = (ushort)r_size(&sub);
817
0
                break;
818
0
            }
819
0
        case gs_fapi_font_feature_BlendBlueValues:
820
0
            {
821
0
                ref *Priv, *Blend, *bbv, sub, r;
822
0
                int aind = 0;
823
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
824
0
                    *ret = 0;
825
0
                    break;
826
0
                }
827
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
828
0
                    *ret = 0;
829
0
                    break;
830
0
                }
831
0
                if (dict_find_string_with_type(Priv, "BlueValues", &bbv, t_array) <= 0) {
832
0
                    *ret = 0;
833
0
                    break;
834
0
                }
835
836
0
                while (1) {
837
0
                    if ((code = array_get_with_type(ff->memory, bbv, aind++, &sub, t_array)) < 0) {
838
0
                        *ret = 0;
839
0
                        break;
840
0
                    }
841
0
                    if (index - (int)r_size(&sub) < 0) {
842
0
                        break;
843
0
                    }
844
0
                    index -= r_size(&sub);
845
0
                }
846
0
                if (code < 0)
847
0
                    break;
848
849
0
                if (array_get_with_type(ff->memory, &sub, index, &r, t_integer) < 0) {
850
0
                    *ret = 0;
851
0
                    break;
852
0
                }
853
854
0
                *ret = (ushort)r.value.intval;
855
0
                break;
856
0
            }
857
2
        case gs_fapi_font_feature_BlendOtherBlues_length:
858
2
            {
859
2
                ref *Priv, *Blend, *bob;
860
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
861
0
                    *ret = 0;
862
0
                    break;
863
0
                }
864
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
865
0
                    *ret = 0;
866
0
                    break;
867
0
                }
868
2
                if (dict_find_string_with_type(Priv, "OtherBlues", &bob, t_array) <= 0) {
869
2
                    *ret = 0;
870
2
                    break;
871
2
                }
872
0
                *ret = (ushort)r_size(bob);
873
0
                break;
874
2
            }
875
0
        case gs_fapi_font_feature_BlendOtherBlues_count:
876
0
            {
877
0
                ref *Priv, *Blend, *bob, sub;
878
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
879
0
                    *ret = 0;
880
0
                    break;
881
0
                }
882
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
883
0
                    *ret = 0;
884
0
                    break;
885
0
                }
886
0
                if (dict_find_string_with_type(Priv, "OtherBlues", &bob, t_array) <= 0) {
887
0
                    *ret = 0;
888
0
                    break;
889
0
                }
890
891
0
                 if (array_get_with_type(ff->memory, bob, index, &sub, t_array) < 0) {
892
0
                    *ret = 0;
893
0
                    break;
894
0
                }
895
0
                *ret = (ushort)r_size(&sub);
896
0
                break;
897
0
            }
898
0
        case gs_fapi_font_feature_BlendOtherBlues:
899
0
            {
900
0
                ref *Priv, *Blend, *bob, sub, r;
901
0
                int aind = 0;
902
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
903
0
                    *ret = 0;
904
0
                    break;
905
0
                }
906
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
907
0
                    *ret = 0;
908
0
                    break;
909
0
                }
910
0
                if (dict_find_string_with_type(Priv, "OtherBlues", &bob, t_array) <= 0) {
911
0
                    *ret = 0;
912
0
                    break;
913
0
                }
914
915
0
                while (1) {
916
0
                    if ((code = array_get_with_type(ff->memory, bob, aind++, &sub, t_array)) < 0)
917
0
                        break;
918
0
                    if (index - (int)r_size(&sub) < 0) {
919
0
                        break;
920
0
                    }
921
0
                    index -= r_size(&sub);
922
0
                }
923
0
                if (code < 0) {
924
0
                    *ret = 0;
925
0
                    break;
926
0
                }
927
0
                if (array_get_with_type(ff->memory, &sub, index, &r, t_integer) < 0) {
928
0
                    *ret = 0;
929
0
                    break;
930
0
                }
931
932
0
                *ret = (ushort)r.value.intval;
933
0
                break;
934
0
            }
935
2
        case gs_fapi_font_feature_BlendBlueScale_count:
936
2
            {
937
2
                ref *Priv, *Blend, *bbs;
938
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
939
0
                    *ret = 0;
940
0
                    break;
941
0
                }
942
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
943
0
                    *ret = 0;
944
0
                    break;
945
0
                }
946
2
                if (dict_find_string_with_type(Priv, "BlueScale", &bbs, t_array) <= 0) {
947
2
                    *ret = 0;
948
2
                    break;
949
2
                }
950
0
                *ret = (ushort)r_size(bbs);
951
0
                break;
952
2
            }
953
2
        case gs_fapi_font_feature_BlendBlueShift_count:
954
2
            {
955
2
                ref *Priv, *Blend, *bbs;
956
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
957
0
                    *ret = 0;
958
0
                    break;
959
0
                }
960
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
961
0
                    *ret = 0;
962
0
                    break;
963
0
                }
964
2
                if (dict_find_string_with_type(Priv, "BlueShift", &bbs, t_array) <= 0) {
965
2
                    *ret = 0;
966
2
                    break;
967
2
                }
968
0
                *ret = (ushort)r_size(bbs);
969
0
                break;
970
2
            }
971
0
        case gs_fapi_font_feature_BlendBlueShift:
972
0
            {
973
0
                ref *Priv, *Blend, *bbs, r;
974
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
975
0
                    *ret = 0;
976
0
                    break;
977
0
                }
978
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
979
0
                    *ret = 0;
980
0
                    break;
981
0
                }
982
0
                if (dict_find_string_with_type(Priv, "BlueShift", &bbs, t_array) <= 0) {
983
0
                    *ret = 0;
984
0
                    break;
985
0
                }
986
0
                if (array_get_with_type(ff->memory, bbs, index, &r, t_integer) < 0) {
987
0
                    *ret = 0;
988
0
                    break;
989
0
                }
990
991
0
                *ret = (ushort)r.value.intval;
992
0
                break;
993
0
            }
994
2
        case gs_fapi_font_feature_BlendBlueFuzz_count:
995
2
            {
996
2
                ref *Priv, *Blend, *bbf;
997
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
998
0
                    *ret = 0;
999
0
                    break;
1000
0
                }
1001
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1002
0
                    *ret = 0;
1003
0
                    break;
1004
0
                }
1005
2
                if (dict_find_string_with_type(Priv, "BlueFuzz", &bbf, t_array) <= 0) {
1006
2
                    *ret = 0;
1007
2
                    break;
1008
2
                }
1009
0
                *ret = (ushort)r_size(bbf);
1010
0
                break;
1011
2
            }
1012
0
        case gs_fapi_font_feature_BlendBlueFuzz:
1013
0
            {
1014
0
                ref *Priv, *Blend, *bbf, r;
1015
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1016
0
                    *ret = 0;
1017
0
                    break;
1018
0
                }
1019
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1020
0
                    *ret = 0;
1021
0
                    break;
1022
0
                }
1023
0
                if (dict_find_string_with_type(Priv, "BlueFuzz", &bbf, t_array) <= 0) {
1024
0
                    *ret = 0;
1025
0
                    break;
1026
0
                }
1027
0
                if (array_get_with_type(ff->memory, bbf, index, &r, t_integer) < 0) {
1028
0
                    *ret = 0;
1029
0
                    break;
1030
0
                }
1031
1032
0
                *ret = (ushort)r.value.intval;
1033
0
                break;
1034
0
            }
1035
2
        case gs_fapi_font_feature_BlendForceBold_count:
1036
2
            {
1037
2
                ref *Priv, *Blend, *bfb;
1038
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1039
0
                    *ret = 0;
1040
0
                    break;
1041
0
                }
1042
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1043
0
                    *ret = 0;
1044
0
                    break;
1045
0
                }
1046
2
                if (dict_find_string_with_type(Priv, "ForceBold", &bfb, t_array) <= 0) {
1047
2
                    *ret = 0;
1048
2
                    break;
1049
2
                }
1050
0
                *ret = (ushort)r_size(bfb);
1051
0
                break;
1052
2
            }
1053
0
        case gs_fapi_font_feature_BlendForceBold:
1054
0
            {
1055
0
                ref *Priv, *Blend, *bfb, r;
1056
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1057
0
                    *ret = 0;
1058
0
                    break;
1059
0
                }
1060
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1061
0
                    *ret = 0;
1062
0
                    break;
1063
0
                }
1064
0
                if (dict_find_string_with_type(Priv, "ForceBold", &bfb, t_array) <= 0) {
1065
0
                    *ret = 0;
1066
0
                    break;
1067
0
                }
1068
0
                if (array_get_with_type(ff->memory, bfb, index, &r, t_boolean) < 0) {
1069
0
                    *ret = 0;
1070
0
                    break;
1071
0
                }
1072
1073
0
                *ret = (ushort)r.value.boolval;
1074
0
            }
1075
2
        case gs_fapi_font_feature_BlendStdHW_length:
1076
2
            {
1077
2
                ref *Priv, *Blend, *stdhw;
1078
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1079
0
                    *ret = 0;
1080
0
                    break;
1081
0
                }
1082
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1083
0
                    *ret = 0;
1084
0
                    break;
1085
0
                }
1086
2
                if (dict_find_string_with_type(Priv, "StdHW", &stdhw, t_array) <= 0) {
1087
2
                    *ret = 0;
1088
2
                    break;
1089
2
                }
1090
0
                *ret = (ushort)r_size(stdhw);
1091
0
                break;
1092
2
            }
1093
0
        case gs_fapi_font_feature_BlendStdHW_count:
1094
0
            {
1095
0
                ref *Priv, *Blend, *stdhw, sub;
1096
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1097
0
                    *ret = 0;
1098
0
                    break;
1099
0
                }
1100
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1101
0
                    *ret = 0;
1102
0
                    break;
1103
0
                }
1104
0
                if (dict_find_string_with_type(Priv, "StdHW", &stdhw, t_array) <= 0) {
1105
0
                    *ret = 0;
1106
0
                    break;
1107
0
                }
1108
1109
0
                if (array_get_with_type(ff->memory, stdhw, index, &sub, t_array) < 0) {
1110
0
                    *ret = 0;
1111
0
                    break;
1112
0
                }
1113
0
                *ret = (ushort)r_size(&sub);
1114
0
                break;
1115
0
            }
1116
0
        case gs_fapi_font_feature_BlendStdHW:
1117
0
            {
1118
0
                ref *Priv, *Blend, *stdhw, sub, r;
1119
0
                int aind = 0;
1120
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1121
0
                    *ret = 0;
1122
0
                    break;
1123
0
                }
1124
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1125
0
                    *ret = 0;
1126
0
                    break;
1127
0
                }
1128
0
                if (dict_find_string_with_type(Priv, "StdHW", &stdhw, t_array) <= 0) {
1129
0
                    *ret = 0;
1130
0
                    break;
1131
0
                }
1132
1133
0
                while (1) {
1134
0
                    if ((code = array_get_with_type(ff->memory, stdhw, aind++, &sub, t_array)) < 0)
1135
0
                        break;
1136
0
                    if (index - (int)r_size(&sub) < 0) {
1137
0
                        break;
1138
0
                    }
1139
0
                    index -= r_size(&sub);
1140
0
                }
1141
0
                if (code < 0) {
1142
0
                    *ret = 0;
1143
0
                    break;
1144
0
                }
1145
0
                if (array_get_with_type(ff->memory, &sub, index, &r, t_integer) < 0) {
1146
0
                    *ret = 0;
1147
0
                    break;
1148
0
                }
1149
1150
0
                *ret = (ushort)r.value.intval;
1151
0
                break;
1152
0
            }
1153
2
        case gs_fapi_font_feature_BlendStdVW_length:
1154
2
            {
1155
2
                ref *Priv, *Blend, *stdvw;
1156
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1157
0
                    *ret = 0;
1158
0
                    break;
1159
0
                }
1160
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1161
0
                    *ret = 0;
1162
0
                    break;
1163
0
                }
1164
2
                if (dict_find_string_with_type(Priv, "StdVW", &stdvw, t_array) <= 0) {
1165
2
                    *ret = 0;
1166
2
                    break;
1167
2
                }
1168
0
                *ret = (ushort)r_size(stdvw);
1169
0
                break;
1170
2
            }
1171
0
        case gs_fapi_font_feature_BlendStdVW_count:
1172
0
            {
1173
0
                ref *Priv, *Blend, *stdvw, sub;
1174
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1175
0
                    *ret = 0;
1176
0
                    break;
1177
0
                }
1178
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1179
0
                    *ret = 0;
1180
0
                    break;
1181
0
                }
1182
0
                if (dict_find_string_with_type(Priv, "StdVW", &stdvw, t_array) <= 0) {
1183
0
                    *ret = 0;
1184
0
                    break;
1185
0
                }
1186
1187
0
                if (array_get_with_type(ff->memory, stdvw, index, &sub, t_array) < 0) {
1188
0
                    *ret = 0;
1189
0
                    break;
1190
0
                }
1191
0
                *ret = (ushort)r_size(&sub);
1192
0
                break;
1193
0
            }
1194
0
        case gs_fapi_font_feature_BlendStdVW:
1195
0
            {
1196
0
                ref *Priv, *Blend, *stdvw, sub, r;
1197
0
                int aind = 0;
1198
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1199
0
                    *ret = 0;
1200
0
                    break;
1201
0
                }
1202
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1203
0
                    *ret = 0;
1204
0
                    break;
1205
0
                }
1206
0
                if (dict_find_string_with_type(Priv, "StdVW", &stdvw, t_array) <= 0) {
1207
0
                    *ret = 0;
1208
0
                    break;
1209
0
                }
1210
1211
0
                while (1) {
1212
0
                    if ((code = array_get_with_type(ff->memory, stdvw, aind++, &sub, t_array)) < 0)
1213
0
                        break;
1214
0
                    if (index - (int)r_size(&sub) < 0) {
1215
0
                        break;
1216
0
                    }
1217
0
                    index -= r_size(&sub);
1218
0
                }
1219
0
                if (code < 0) {
1220
0
                    *ret = 0;
1221
0
                    break;
1222
0
                }
1223
0
                if (array_get_with_type(ff->memory, &sub, index, &r, t_integer) < 0) {
1224
0
                    *ret = 0;
1225
0
                    break;
1226
0
                }
1227
1228
0
                *ret = (ushort)r.value.intval;
1229
0
                break;
1230
0
            }
1231
2
        case gs_fapi_font_feature_BlendStemSnapH_length:
1232
2
            {
1233
2
                ref *Priv, *Blend, *ssh;
1234
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1235
0
                    *ret = 0;
1236
0
                    break;
1237
0
                }
1238
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1239
0
                    *ret = 0;
1240
0
                    break;
1241
0
                }
1242
2
                if (dict_find_string(Priv, "StemSnapH", &ssh) <= 0) {
1243
2
                    *ret = 0;
1244
2
                    break;
1245
2
                }
1246
0
                *ret = (ushort)r_size(ssh);
1247
0
                break;
1248
2
            }
1249
0
        case gs_fapi_font_feature_BlendStemSnapH_count:
1250
0
            {
1251
0
                ref *Priv, *Blend, *bssh, sub;
1252
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1253
0
                    *ret = 0;
1254
0
                    break;
1255
0
                }
1256
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1257
0
                    *ret = 0;
1258
0
                    break;
1259
0
                }
1260
0
                if (dict_find_string_with_type(Priv, "StemSnapH", &bssh, t_array) <= 0) {
1261
0
                    *ret = 0;
1262
0
                    break;
1263
0
                }
1264
1265
0
                if (array_get_with_type(ff->memory, bssh, index, &sub, t_array) < 0) {
1266
0
                    *ret = 0;
1267
0
                    break;
1268
0
                }
1269
0
                *ret = (ushort)r_size(&sub);
1270
0
                break;
1271
0
            }
1272
0
        case gs_fapi_font_feature_BlendStemSnapH:
1273
0
            {
1274
0
                ref *Priv, *Blend, *bssh, sub, r;
1275
0
                int aind = 0;
1276
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1277
0
                    *ret = 0;
1278
0
                    break;
1279
0
                }
1280
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1281
0
                    *ret = 0;
1282
0
                    break;
1283
0
                }
1284
0
                if (dict_find_string_with_type(Priv, "StemSnapH", &bssh, t_array) <= 0) {
1285
0
                    *ret = 0;
1286
0
                    break;
1287
0
                }
1288
1289
0
                while (1) {
1290
0
                    if ((code = array_get_with_type(ff->memory, bssh, aind++, &sub, t_array)) < 0)
1291
0
                        break;
1292
0
                    if (index - (int)r_size(&sub) < 0) {
1293
0
                        break;
1294
0
                    }
1295
0
                    index -= r_size(&sub);
1296
0
                }
1297
0
                if (code < 0) {
1298
0
                    *ret = 0;
1299
0
                    break;
1300
0
                }
1301
0
                if (array_get_with_type(ff->memory, &sub, index, &r, t_integer) < 0) {
1302
0
                    *ret = 0;
1303
0
                    break;
1304
0
                }
1305
1306
0
                *ret = (ushort)r.value.intval;
1307
0
                break;
1308
0
            }
1309
2
        case gs_fapi_font_feature_BlendStemSnapV_length:
1310
2
            {
1311
2
                ref *Priv, *Blend, *ssv;
1312
2
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1313
0
                    *ret = 0;
1314
0
                    break;
1315
0
                }
1316
2
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1317
0
                    *ret = 0;
1318
0
                    break;
1319
0
                }
1320
2
                if (dict_find_string_with_type(Priv, "StemSnapV", &ssv, t_array) <= 0) {
1321
2
                    *ret = 0;
1322
2
                    break;
1323
2
                }
1324
0
                *ret = (ushort)r_size(ssv);
1325
0
                break;
1326
2
            }
1327
0
        case gs_fapi_font_feature_BlendStemSnapV_count:
1328
0
            {
1329
0
                ref *Priv, *Blend, *bssv, sub;
1330
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1331
0
                    *ret = 0;
1332
0
                    break;
1333
0
                }
1334
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1335
0
                    *ret = 0;
1336
0
                    break;
1337
0
                }
1338
0
                if (dict_find_string_with_type(Priv, "StemSnapV", &bssv, t_array) <= 0) {
1339
0
                    *ret = 0;
1340
0
                    break;
1341
0
                }
1342
1343
0
                if (array_get_with_type(ff->memory, bssv, index, &sub, t_array) < 0) {
1344
0
                    *ret = 0;
1345
0
                    break;
1346
0
                }
1347
0
                *ret = (ushort)r_size(&sub);
1348
0
                break;
1349
0
            }
1350
0
        case gs_fapi_font_feature_BlendStemSnapV:
1351
0
            {
1352
0
                ref *Priv, *Blend, *bssv, sub, r;
1353
0
                int aind = 0;
1354
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1355
0
                    *ret = 0;
1356
0
                    break;
1357
0
                }
1358
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1359
0
                    *ret = 0;
1360
0
                    break;
1361
0
                }
1362
0
                if (dict_find_string_with_type(Priv, "StemSnapV", &bssv, t_array) <= 0) {
1363
0
                    *ret = 0;
1364
0
                    break;
1365
0
                }
1366
1367
0
                while (1) {
1368
0
                    if ((code = array_get_with_type(ff->memory, bssv, aind++, &sub, t_array)) < 0)
1369
0
                        break;
1370
0
                    if (index - (int)r_size(&sub) < 0) {
1371
0
                        break;
1372
0
                    }
1373
0
                    index -= r_size(&sub);
1374
0
                }
1375
0
                if (code < 0) {
1376
0
                    *ret = 0;
1377
0
                    break;
1378
0
                }
1379
0
                if (array_get_with_type(ff->memory, &sub, index, &r, t_array) < 0) {
1380
0
                    *ret = 0;
1381
0
                    break;
1382
0
                }
1383
1384
0
                *ret = (ushort)r.value.intval;
1385
0
                break;
1386
0
            }
1387
1388
            /* End MM specifics */
1389
3.97M
    }
1390
3.97M
    return code;
1391
3.97M
}
1392
1393
static int
1394
FAPI_FF_get_long(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index, unsigned long *ret)
1395
131k
{
1396
131k
    gs_font_type1 *pfont = (gs_font_type1 *) ff->client_font_data;
1397
131k
    int code = 0;
1398
1399
131k
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1400
1401
131k
    switch ((int)var_id) {
1402
0
        case gs_fapi_font_feature_UniqueID:
1403
0
            *ret = pfont->UID.id;
1404
0
            break;
1405
131k
        case gs_fapi_font_feature_BlueScale:
1406
131k
            *ret = (ulong) (pfont->data.BlueScale * 65536);
1407
131k
            break;
1408
0
        case gs_fapi_font_feature_Subrs_total_size:
1409
0
            {
1410
0
                ref *Private, *Subrs, v;
1411
0
                int lenIV = max(pfont->data.lenIV, 0), k;
1412
0
                ulong size = 0;
1413
0
                long i;
1414
0
                const char *name[2] = { "Subrs", "GlobalSubrs" };
1415
0
                if (dict_find_string_with_type(pdr, "Private", &Private, t_dictionary) <= 0) {
1416
0
                    *ret = 0;
1417
0
                    break;
1418
0
                }
1419
0
                for (k = 0; k < 2; k++) {
1420
0
                    if (dict_find_string_with_type(Private, name[k], &Subrs, t_array) > 0)
1421
0
                        for (i = r_size(Subrs) - 1; i >= 0; i--) {
1422
0
                            array_get(pfont->memory, Subrs, i, &v);
1423
0
                            if (r_type(&v) == t_string) {
1424
0
                                size += r_size(&v) - (ff->need_decrypt ? 0 : lenIV);
1425
0
                            }
1426
0
                        }
1427
0
                }
1428
0
                *ret = size;
1429
0
            }
1430
0
            break;
1431
30
        case gs_fapi_font_feature_TT_size:
1432
30
            code = true_type_size(ff->memory, pdr, ret);
1433
30
            break;
1434
131k
    }
1435
131k
    return code;
1436
131k
}
1437
1438
static int
1439
FAPI_FF_get_float(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index, float *ret)
1440
790k
{
1441
790k
    gs_font_type1 *pfont1 = (gs_font_type1 *) ff->client_font_data;
1442
790k
    gs_font_base *pbfont = (gs_font_base *) ff->client_font_data2;
1443
790k
    ref *pdr = pfont_dict(pbfont);
1444
790k
    int code = 0;
1445
790k
    gs_fapi_server *I = pbfont->FAPI;
1446
1447
790k
    switch ((int)var_id) {
1448
790k
        case gs_fapi_font_feature_FontMatrix:
1449
790k
            {
1450
790k
                double FontMatrix_div;
1451
790k
                gs_matrix m, *mptr;
1452
1453
790k
                if (I && I->get_fontmatrix) {
1454
790k
                    FontMatrix_div = 1;
1455
790k
                    mptr = &m;
1456
790k
                    I->get_fontmatrix(I, mptr);
1457
790k
                }
1458
0
                else {
1459
0
                    FontMatrix_div =
1460
0
                        ((ff->is_cid
1461
0
                          && (!FAPI_ISCIDFONT(pbfont))) ? 1000 : 1);
1462
0
                    mptr = &(pbfont->base->FontMatrix);
1463
0
                }
1464
790k
                switch (index) {
1465
131k
                    case 0:
1466
131k
                    default:
1467
131k
                        *ret = (mptr->xx / FontMatrix_div);
1468
131k
                        break;
1469
131k
                    case 1:
1470
131k
                        *ret = (mptr->xy / FontMatrix_div);
1471
131k
                        break;
1472
131k
                    case 2:
1473
131k
                        *ret = (mptr->yx / FontMatrix_div);
1474
131k
                        break;
1475
131k
                    case 3:
1476
131k
                        *ret = (mptr->yy / FontMatrix_div);
1477
131k
                        break;
1478
131k
                    case 4:
1479
131k
                        *ret = (mptr->tx / FontMatrix_div);
1480
131k
                        break;
1481
131k
                    case 5:
1482
131k
                        *ret = (mptr->ty / FontMatrix_div);
1483
131k
                        break;
1484
790k
                }
1485
790k
                break;
1486
790k
            }
1487
1488
790k
        case gs_fapi_font_feature_WeightVector:
1489
4
            {
1490
4
                if (index < pfont1->data.WeightVector.count) {
1491
4
                    *ret = pfont1->data.WeightVector.values[index];
1492
4
                }
1493
0
                else {
1494
0
                    *ret = 0;
1495
0
                }
1496
4
            }
1497
4
            break;
1498
12
        case gs_fapi_font_feature_BlendDesignPositionsArrayValue:
1499
12
            {
1500
12
                ref *Info, *Array, SubArray, value;
1501
12
                int array_index = index / 8;
1502
1503
12
                index %= 8;
1504
12
                if (dict_find_string_with_type(pdr, "FontInfo", &Info, t_dictionary) <= 0) {
1505
0
                    *ret = 0;
1506
0
                    break;
1507
0
                }
1508
12
                if (dict_find_string_with_type(Info, "BlendDesignPositions", &Array, t_array) <= 0) {
1509
0
                    *ret = 0;
1510
0
                    break;
1511
0
                }
1512
12
                if (array_get_with_type(ff->memory, Array, array_index, &SubArray, t_array) < 0) {
1513
4
                    *ret = 0;
1514
4
                    break;
1515
4
                }
1516
8
                if (array_get(ff->memory, &SubArray, index, &value) < 0)
1517
2
                    return 0;
1518
6
                if (!r_has_type(&value, t_integer)) {
1519
0
                    if (r_has_type(&value, t_real)) {
1520
0
                        *ret = value.value.realval;
1521
0
                    }
1522
0
                    else
1523
0
                        *ret = 0;
1524
0
                }
1525
6
                else
1526
6
                    *ret = ((float)value.value.intval);
1527
6
            }
1528
0
            break;
1529
0
        case gs_fapi_font_feature_BlendDesignMapArrayValue:
1530
0
            {
1531
0
                ref *Info, *Array, SubArray, SubSubArray, value;
1532
0
                int array_index = index / 64;
1533
1534
0
                index %= 8;
1535
0
                if (dict_find_string_with_type(pdr, "FontInfo", &Info, t_dictionary) <= 0) {
1536
0
                    *ret = 0;
1537
0
                    break;
1538
0
                 }
1539
0
                if (dict_find_string_with_type(Info, "BlendDesignMap", &Array, t_dictionary) <= 0) {
1540
0
                    *ret = 0;
1541
0
                    break;
1542
0
                }
1543
0
                if (array_get_with_type(ff->memory, Array, array_index, &SubArray, t_array) < 0) {
1544
0
                    *ret = 0;
1545
0
                    break;
1546
0
                }
1547
0
                if (array_get_with_type(ff->memory, &SubArray, index, &SubSubArray, t_array) < 0) {
1548
0
                    *ret = 0;
1549
0
                    break;
1550
0
                }
1551
0
                if (array_get(ff->memory, &SubSubArray, index, &value) < 0) {
1552
0
                    *ret = 0;
1553
0
                    break;
1554
0
                }
1555
0
                if (!r_has_type(&value, t_integer)) {
1556
0
                    if (r_has_type(&value, t_real)) {
1557
0
                        *ret = (value.value.realval);
1558
0
                    }
1559
0
                    else
1560
0
                        *ret = 0;
1561
0
                }
1562
0
                else
1563
0
                    *ret = ((float)value.value.intval);
1564
0
            }
1565
0
            break;
1566
0
        case gs_fapi_font_feature_BlendBlueScale:
1567
0
            {
1568
0
                ref *Priv, *Blend, *bbs, r;
1569
1570
0
                if (dict_find_string_with_type(pdr, "Blend", &Blend, t_dictionary) <= 0) {
1571
0
                    *ret = 0;
1572
0
                    break;
1573
0
                }
1574
0
                if (dict_find_string_with_type(Blend, "Private", &Priv, t_dictionary) <= 0) {
1575
0
                    *ret = 0;
1576
0
                    break;
1577
0
                }
1578
0
                if (dict_find_string_with_type(Priv, "BlueScale", &bbs, t_array) <= 0) {
1579
0
                    *ret = 0;
1580
0
                    break;
1581
0
                }
1582
0
                if (array_get(ff->memory, bbs, index, &r) < 0) {
1583
0
                    *ret = 0;
1584
0
                    break;
1585
0
                }
1586
0
               if (r_has_type(&r, t_real))
1587
0
                   *ret = r.value.realval;
1588
0
               else if (r_has_type(&r, t_integer))
1589
0
                   *ret = (float)r.value.intval;
1590
0
               else
1591
0
                   code = gs_note_error(gs_error_typecheck);
1592
0
            }
1593
0
            break;
1594
790k
    }
1595
790k
    return code;
1596
790k
}
1597
1598
static int
1599
FAPI_FF_get_name(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index,
1600
                 char *Buffer, int len)
1601
2
{
1602
2
    ref name, string;
1603
2
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1604
2
    int code = 0;
1605
1606
2
    switch ((int)var_id) {
1607
2
        case gs_fapi_font_feature_BlendAxisTypes:
1608
2
            {
1609
2
                ref *Info, *Axes;
1610
1611
2
                if (dict_find_string_with_type(pdr, "FontInfo", &Info, t_dictionary) <= 0) {
1612
0
                    code = gs_note_error(gs_error_undefined);
1613
0
                    break;
1614
0
                }
1615
2
                if (dict_find_string_with_type(Info, "BlendAxisTypes", &Axes, t_array) <= 0) {
1616
0
                    code = gs_note_error(gs_error_undefined);
1617
0
                    break;
1618
0
                }
1619
2
                if (array_get_with_type(ff->memory, Axes, index, &name, t_name) < 0) {
1620
0
                    code = gs_note_error(gs_error_undefined);
1621
0
                    break;
1622
0
                }
1623
2
            }
1624
2
    }
1625
2
    if (code >= 0) {
1626
2
        name_string_ref(ff->memory, &name, &string);
1627
2
        if (r_size(&string) < len) {
1628
2
            memcpy(Buffer, string.value.const_bytes, r_size(&string));
1629
2
            Buffer[r_size(&string)] = 0x00;
1630
2
        }
1631
0
        else {
1632
0
            code = gs_note_error(gs_error_unknownerror);
1633
0
        }
1634
2
    }
1635
2
    return code;
1636
2
}
1637
1638
/* NOTE: we checked the type of $Blend at definefont time, so we know it is a
1639
 * procedure and don't need to check it again here
1640
 */
1641
static int
1642
FAPI_FF_get_proc(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index,
1643
                 char *Buffer)
1644
2
{
1645
2
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1646
2
    char *ptr = Buffer;
1647
2
    int code = 0;
1648
1649
2
    if (!Buffer)
1650
1
        return_error(gs_error_unknownerror);
1651
1652
1
    switch ((int)var_id) {
1653
1
        case gs_fapi_font_feature_DollarBlend:
1654
1
            {
1655
1
                ref *DBlend, Element, string;
1656
1
                int i;
1657
1
                char Buf[32];
1658
1659
1
                if (dict_find_string(pdr, "$Blend", &DBlend) <= 0) {
1660
0
                    code = gs_note_error(gs_error_undefined);
1661
0
                    break;
1662
0
                }
1663
4
                for (i = 0; i < r_size(DBlend); i++) {
1664
3
                    *ptr++ = 0x20;
1665
3
                    if (array_get(ff->memory, DBlend, i, &Element) < 0) {
1666
0
                        code = gs_note_error(gs_error_undefined);
1667
0
                        break;
1668
0
                    }
1669
3
                    switch (r_btype(&Element)) {
1670
0
                        case t_name:
1671
0
                            name_string_ref(ff->memory, &Element, &string);
1672
1673
0
                            strncpy(ptr, (char *)string.value.const_bytes,
1674
0
                                    r_size(&string));
1675
0
                            ptr += r_size(&string);
1676
0
                            break;
1677
1
                        case t_real:
1678
1
                            gs_snprintf(Buf, sizeof(Buf), "%f", Element.value.realval);
1679
1
                            strcpy(ptr, Buf);
1680
1
                            ptr += strlen(Buf);
1681
1
                            break;
1682
0
                        case t_integer:
1683
0
                            gs_snprintf(Buf, sizeof(Buf), "%"PRIpsint, Element.value.intval);
1684
0
                            strcpy(ptr, Buf);
1685
0
                            ptr += strlen(Buf);
1686
0
                            break;
1687
2
                        case t_operator:
1688
2
                            {
1689
2
                                op_def const *op;
1690
1691
2
                                op = op_index_def(r_size(&Element));
1692
2
                                strcpy(ptr, op->oname + 1);
1693
2
                                ptr += strlen(op->oname + 1);
1694
2
                            }
1695
2
                            break;
1696
0
                        default:
1697
0
                            break;
1698
3
                    }
1699
3
                }
1700
1
            }
1701
1
    }
1702
1
    return code < 0 ? code : (ptr - Buffer);
1703
1
}
1704
1705
static inline void
1706
decode_bytes(byte *p, const byte *s, int l, int lenIV)
1707
1.59M
{
1708
1.59M
    ushort state = 4330;
1709
1710
150M
    for (; l; s++, l--) {
1711
148M
        uchar c = (*s ^ (state >> 8));
1712
1713
148M
        state = (*s + state) * crypt_c1 + crypt_c2;
1714
148M
        if (lenIV > 0)
1715
6.39M
            lenIV--;
1716
142M
        else {
1717
142M
            *p = c;
1718
142M
            p++;
1719
142M
        }
1720
148M
    }
1721
1.59M
}
1722
1723
static int
1724
get_type1_data(gs_fapi_font *ff, const ref *type1string,
1725
               byte *buf, int buf_length)
1726
2.26M
{
1727
2.26M
    gs_font_type1 *pfont = (gs_font_type1 *) ff->client_font_data;
1728
2.26M
    int lenIV = max(pfont->data.lenIV, 0);
1729
2.26M
    int length = r_size(type1string) - (ff->need_decrypt ? lenIV : 0);
1730
1731
2.26M
    if (buf != 0) {
1732
1.59M
        int l = min(length, buf_length);        /*safety */
1733
1734
1.59M
        if (ff->need_decrypt && pfont->data.lenIV >= 0)
1735
1.59M
            decode_bytes(buf, type1string->value.const_bytes, l + lenIV,
1736
1.59M
                         lenIV);
1737
0
        else
1738
0
            memcpy(buf, type1string->value.const_bytes, l);
1739
1.59M
    }
1740
2.26M
    return length;
1741
2.26M
}
1742
1743
static int
1744
FAPI_FF_get_gsubr(gs_fapi_font *ff, int index, byte *buf, int buf_length)
1745
0
{
1746
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1747
0
    ref *Private, *GlobalSubrs, subr;
1748
1749
0
    if (dict_find_string_with_type(pdr, "Private", &Private, t_dictionary) <= 0)
1750
0
        return 0;
1751
0
    if (dict_find_string_with_type(Private, "GlobalSubrs", &GlobalSubrs, t_array) <= 0)
1752
0
        return 0;
1753
0
    if (array_get_with_type(ff->memory,
1754
0
                  GlobalSubrs, index, &subr, t_string) < 0)
1755
0
        return 0;
1756
0
    return (get_type1_data(ff, &subr, buf, buf_length));
1757
0
}
1758
1759
static int
1760
FAPI_FF_get_subr(gs_fapi_font *ff, int index, byte *buf, int buf_length)
1761
988k
{
1762
988k
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1763
988k
    ref *Private, *Subrs, subr;
1764
1765
988k
    if (dict_find_string_with_type(pdr, "Private", &Private, t_dictionary) <= 0)
1766
0
        return 0;
1767
988k
    if (dict_find_string_with_type(Private, "Subrs", &Subrs, t_array) <= 0)
1768
0
        return 0;
1769
988k
    if (array_get_with_type(ff->memory, Subrs, index, &subr, t_string) < 0)
1770
0
        return 0;
1771
988k
    return (get_type1_data(ff, &subr, buf, buf_length));
1772
988k
}
1773
1774
static int
1775
FAPI_FF_get_raw_subr(gs_fapi_font *ff, int index, byte *buf,
1776
                     int buf_length)
1777
0
{
1778
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1779
0
    ref *Private, *Subrs, subr;
1780
0
    int code = 0;
1781
1782
0
    do {
1783
0
        if (dict_find_string_with_type(pdr, "Private", &Private, t_dictionary) <= 0) {
1784
0
            code = gs_note_error(gs_error_undefined);
1785
0
            break;
1786
0
        }
1787
0
        if (dict_find_string_with_type(Private, "Subrs", &Subrs, t_array) <= 0) {
1788
0
            code = gs_note_error(gs_error_undefined);
1789
0
            break;
1790
0
        }
1791
0
        if (array_get_with_type(ff->memory, Subrs, index, &subr, t_string) < 0) {
1792
0
            code = gs_note_error(gs_error_undefined);
1793
0
            break;
1794
0
        }
1795
0
        if (buf && buf_length && buf_length >= r_size(&subr)) {
1796
0
            memcpy(buf, subr.value.const_bytes, r_size(&subr));
1797
0
        }
1798
0
    } while(0);
1799
1800
0
    return code < 0 ? code : r_size(&subr);
1801
0
}
1802
1803
/* FAPI_FF_get_charstring_name() and FAPI_FF_get_charstring()
1804
 *
1805
 * Generally we'd want to use the dictionary content
1806
 * enumeration API rather than dict_index_entry(), but
1807
 * the FAPI interface doesn't enforce sequential accessing
1808
 * of the indices.
1809
 * Setting up enumeration and enumerating through the entries
1810
 * until we reach the requested valid index is a performance
1811
 * hit we don't want to pay.
1812
 *
1813
 * Luckily, the checks we need for invalid CharString contents
1814
 * also handle empty "slots" in the dictionary.
1815
 */
1816
1817
static int
1818
FAPI_FF_get_charstring_name(gs_fapi_font *ff, int index, byte *buf,
1819
                            ushort buf_length)
1820
0
{
1821
0
    int code = 0;
1822
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1823
0
    ref *CharStrings, eltp[2], string;
1824
1825
0
    do {
1826
0
        if (dict_find_string_with_type(pdr, "CharStrings", &CharStrings, t_dictionary) <= 0) {
1827
0
            code = gs_note_error(gs_error_undefined);
1828
0
            break;
1829
0
        }
1830
0
        if (dict_index_entry(CharStrings, index, eltp) < 0) {
1831
0
            code = gs_note_error(gs_error_undefined);
1832
0
            break;
1833
0
        }
1834
0
        if (r_type(&eltp[0]) != t_name) {
1835
0
            code = gs_note_error(gs_error_undefined);
1836
0
            break;
1837
0
        }
1838
0
        name_string_ref(ff->memory, &eltp[0], &string);
1839
0
        if (r_size(&string) <= buf_length) {
1840
0
            memcpy(buf, string.value.const_bytes, r_size(&string));
1841
0
            buf[r_size(&string)] = 0x00;
1842
0
        }
1843
0
    } while(0);
1844
0
    return code < 0 ? code : r_size(&string);
1845
0
}
1846
1847
static int
1848
FAPI_FF_get_charstring(gs_fapi_font *ff, int index, byte *buf,
1849
                       ushort buf_length)
1850
0
{
1851
0
    int code = 0;
1852
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1853
0
    ref *CharStrings, eltp[2];
1854
1855
0
    do {
1856
0
        if (dict_find_string_with_type(pdr, "CharStrings", &CharStrings, t_dictionary) <= 0) {
1857
0
            code = gs_note_error(gs_error_undefined);
1858
0
            break;
1859
0
        }
1860
0
        if (dict_index_entry(CharStrings, index, eltp) < 0) {
1861
0
            code = gs_note_error(gs_error_undefined);
1862
0
            break;
1863
0
        }
1864
0
        if (r_type(&eltp[1]) != t_string) {
1865
0
            code = gs_note_error(gs_error_typecheck);
1866
0
            break;
1867
0
        }
1868
0
        if (buf && buf_length && buf_length >= r_size(&eltp[1])) {
1869
0
            memcpy(buf, eltp[1].value.const_bytes, r_size(&eltp[1]));
1870
0
        }
1871
0
    } while(0);
1872
1873
0
    return code < 0 ? code : r_size(&eltp[1]);
1874
0
}
1875
1876
static int
1877
sfnt_get_sfnt_length(ref *pdr, ulong *len)
1878
0
{
1879
0
    int code = 0;
1880
0
    ref *sfnts, sfnt_elem;
1881
0
    const gs_memory_t *mem = dict_mem(pdr->value.pdict);
1882
1883
0
    *len = 0;
1884
0
    if (r_type(pdr) != t_dictionary ||
1885
0
        dict_find_string(pdr, "sfnts", &sfnts) <= 0) {
1886
0
        code = gs_error_invalidfont;
1887
0
    }
1888
0
    else {
1889
0
        if (r_type(sfnts) != t_array && r_type(sfnts) != t_string) {
1890
0
            code = gs_error_invalidfont;
1891
0
        }
1892
0
        else {
1893
0
            if (r_type(sfnts) == t_string) {
1894
0
                *len = r_size(sfnts);
1895
0
            }
1896
0
            else {
1897
0
                int i;
1898
0
                for (i = 0; i < r_size(sfnts); i++) {
1899
0
                    code = array_get(mem, sfnts, i, &sfnt_elem);
1900
0
                    if (code < 0) break;
1901
0
                    if (!r_has_type(&sfnt_elem, t_string)) {
1902
0
                        code = gs_note_error(gs_error_typecheck);
1903
0
                        break;
1904
0
                    }
1905
0
                    *len += r_size(&sfnt_elem);
1906
0
                }
1907
0
            }
1908
0
        }
1909
0
    }
1910
0
    return code;
1911
0
}
1912
1913
static int
1914
sfnt_get_glyph_offset(ref *pdr, gs_font_type42 *pfont42, int index,
1915
                      ulong *offset0)
1916
0
{                               /* Note : TTC is not supported and probably is unuseful for Type 42. */
1917
0
    sfnts_reader r;
1918
0
    int glyf_elem_size = (pfont42->data.indexToLocFormat) ? 4 : 2;
1919
0
    ulong fullsize;
1920
1921
0
    if (index < pfont42->data.trueNumGlyphs) {
1922
0
        sfnts_reader_init(pfont42->memory, &r, pdr);
1923
0
        r.seek(&r, pfont42->data.loca + index * (ulong)glyf_elem_size);
1924
0
        *offset0 =
1925
0
            pfont42->data.glyf + (glyf_elem_size ==
1926
0
                              2 ? r.rword(&r) * 2 : r.rlong(&r));
1927
0
        r.error = sfnt_get_sfnt_length(pdr, &fullsize);
1928
0
        if (r.error < 0 || *offset0 > fullsize) {
1929
0
            r.error = gs_note_error(gs_error_invalidaccess);
1930
0
        }
1931
0
    }
1932
0
    else {
1933
0
        r.error = gs_note_error(gs_error_rangecheck);
1934
0
    }
1935
0
    return (r.error);
1936
0
}
1937
1938
static int
1939
ps_get_GlyphDirectory_data_ptr(gs_fapi_font *ff, int char_code,
1940
                               const byte **ptr)
1941
0
{
1942
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1943
0
    ref *GlyphDirectory, glyph0, *glyph = &glyph0, glyph_index;
1944
1945
0
    if (dict_find_string(pdr, "GlyphDirectory", &GlyphDirectory) > 0) {
1946
0
        if (((r_type(GlyphDirectory) == t_dictionary &&
1947
0
              (make_int(&glyph_index, char_code),
1948
0
               dict_find(GlyphDirectory, &glyph_index, &glyph) > 0)) ||
1949
0
             (r_type(GlyphDirectory) == t_array &&
1950
0
              array_get(ff->memory, GlyphDirectory, char_code, &glyph0) >= 0)
1951
0
            )
1952
0
            && r_type(glyph) == t_string) {
1953
0
            *ptr = glyph->value.const_bytes;
1954
0
            return (r_size(glyph));
1955
0
        }
1956
0
        else
1957
            /* We have a GlyphDirectory, but couldn't find the glyph. If we
1958
             * return -1 then we will attempt to use glyf and loca which
1959
             * will fail. Instead return 0, so we execute an 'empty' glyph.
1960
             */
1961
0
            return 0;
1962
0
    }
1963
0
    return -1;
1964
0
}
1965
1966
static int
1967
get_charstring(gs_fapi_font *ff, int char_code, ref **proc, ref *char_name)
1968
0
{
1969
0
    ref *CharStrings;
1970
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1971
1972
0
    if (ff->is_type1) {
1973
0
        if (ff->is_cid)
1974
0
            return -1;
1975
0
        if (dict_find_string_with_type(pdr, "CharStrings", &CharStrings, t_dictionary) <= 0)
1976
0
            return -1;
1977
1978
0
        if (ff->char_data != NULL) {
1979
            /*
1980
             * Can't use char_code in this case because hooked Type 1 fonts
1981
             * with 'glyphshow' may render a character which has no
1982
             * Encoding entry.
1983
             */
1984
0
            if (name_ref
1985
0
                (ff->memory, ff->char_data, ff->char_data_len, char_name,
1986
0
                 -1) < 0)
1987
0
                return -1;
1988
0
        }
1989
0
        else {                  /* seac */
1990
0
            i_ctx_t *i_ctx_p = (i_ctx_t *) ff->client_ctx_p;
1991
0
            ref *StandardEncoding;
1992
1993
0
            if (dict_find_string
1994
0
                (systemdict, "StandardEncoding", &StandardEncoding) <= 0
1995
0
                || array_get(ff->memory, StandardEncoding, char_code,
1996
0
                             char_name) < 0) {
1997
0
                if (name_ref
1998
0
                    (ff->memory, (const byte *)".notdef", 7, char_name,
1999
0
                     -1) < 0)
2000
0
                    return -1;
2001
0
            }
2002
0
        }
2003
0
        if (dict_find(CharStrings, char_name, (ref **) proc) <= 0)
2004
0
            return -1;
2005
0
    }
2006
0
    return 0;
2007
0
}
2008
2009
static int
2010
FAPI_FF_get_glyph(gs_fapi_font *ff, gs_glyph char_code, byte *buf, int buf_length)
2011
1.27M
{
2012
    /*
2013
     * We assume that renderer requests glyph data with multiple
2014
     * consecutive calls to this function.
2015
     *
2016
     * For a simple glyph it calls this function exactly twice: first
2017
     * with buf == NULL for requesting the necessary buffer length, and
2018
     * second with buf != NULL for requesting the data (the second call
2019
     * may be skipped if the renderer discontinues the rendering).
2020
     *
2021
     * For a composite glyph it calls this function 2 * (N + 1)
2022
     * times: 2 calls for the main glyph (same as above) followed with
2023
     * 2 * N calls for subglyphs, where N is less or equal to the number
2024
     * of subglyphs (N may be less if the renderer caches glyph data,
2025
     * or discontinues rendering on an exception).
2026
     */
2027
1.27M
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
2028
2029
1.27M
    int glyph_length;
2030
1.27M
    i_ctx_t *i_ctx_p = (i_ctx_t *) ff->client_ctx_p;
2031
2032
1.27M
    if (ff->is_type1) {
2033
1.27M
        if (ff->is_cid) {
2034
0
            const gs_string *char_str = (const gs_string *)ff->char_data;
2035
0
            ref glyph;
2036
2037
0
            make_string(&glyph, avm_foreign | a_readonly, char_str->size,
2038
0
                        char_str->data);
2039
2040
0
            glyph_length = get_type1_data(ff, &glyph, buf, buf_length);
2041
0
        }
2042
1.27M
        else {
2043
1.27M
            ref *CharStrings, *CFFCharStrings, char_name, *glyph;
2044
2045
1.27M
            if (ff->char_data != NULL) {
2046
                /*
2047
                 * Can't use char_code in this case because hooked Type 1 fonts
2048
                 * with 'glyphshow' may render a character which has no
2049
                 * Encoding entry.
2050
                 */
2051
1.27M
                if (name_ref(ff->memory, ff->char_data,
2052
1.27M
                             ff->char_data_len, &char_name, -1) < 0)
2053
0
                    return gs_fapi_glyph_invalid_format;
2054
1.27M
                if (buf != NULL) {
2055
                    /*
2056
                     * Trigger the next call to the 'seac' case below.
2057
                     * Here we use the assumption about call sequence
2058
                     * being documented above.
2059
                     */
2060
1.27M
                    ff->char_data = NULL;
2061
1.27M
                }
2062
1.27M
            }
2063
0
            else {              /* seac */
2064
0
                ref *StandardEncoding;
2065
2066
0
                if (dict_find_string
2067
0
                    (systemdict, "StandardEncoding", &StandardEncoding) <= 0
2068
0
                    || array_get(ff->memory, StandardEncoding, char_code,
2069
0
                                 &char_name) < 0)
2070
0
                    if (name_ref
2071
0
                        (ff->memory, (const byte *)".notdef", 7, &char_name, -1) < 0)
2072
0
                        return gs_fapi_glyph_invalid_format;
2073
0
            }
2074
1.27M
            if (dict_find_string_with_type(pdr, "CharStrings", &CharStrings, t_dictionary) <= 0)
2075
0
                return gs_fapi_glyph_invalid_format;
2076
2077
1.27M
            if (dict_find(CharStrings, &char_name, &glyph) <= 0) {
2078
0
                if (name_ref
2079
0
                    (ff->memory, (const byte *)".notdef", 7, &char_name, -1) < 0) {
2080
0
                    return gs_fapi_glyph_invalid_format;
2081
0
                }
2082
0
                if (dict_find(CharStrings, &char_name, &glyph) <= 0) {
2083
0
                    return gs_fapi_glyph_invalid_format;
2084
0
                }
2085
0
            }
2086
1.27M
            if (r_has_type(glyph, t_array) || r_has_type(glyph, t_mixedarray))
2087
0
                return gs_fapi_glyph_invalid_format;
2088
2089
1.27M
            if (r_has_type(glyph, t_integer)
2090
0
                && dict_find_string_with_type(pdr, "CFFCharStrings", &CFFCharStrings, t_dictionary) > 0 && r_has_type(CFFCharStrings, t_dictionary)) {
2091
0
                ref *g2;
2092
0
                if (dict_find(CFFCharStrings, glyph, &g2) <= 0) {
2093
0
                    ref nd;
2094
0
                    make_int(&nd, 0);
2095
0
                    if (dict_find(CFFCharStrings, &nd, &g2) <= 0) {
2096
0
                        return gs_fapi_glyph_invalid_format;
2097
0
                    }
2098
0
                }
2099
0
                glyph = g2;
2100
0
            }
2101
2102
1.27M
            if (!r_has_type(glyph, t_string))
2103
0
                return 0;
2104
1.27M
            glyph_length = get_type1_data(ff, glyph, buf, buf_length);
2105
1.27M
        }
2106
1.27M
    }
2107
0
    else {                      /* type 42 */
2108
0
        const byte *data_ptr;
2109
0
        int l = ff->get_glyphdirectory_data(ff, char_code, &data_ptr);
2110
0
        ref *render_notdef_ref;
2111
0
        bool render_notdef = true;
2112
2113
0
        if (dict_find_string(pdr, ".render_notdef", &render_notdef_ref) > 0
2114
0
            && r_has_type(render_notdef_ref, t_boolean)) {
2115
0
            render_notdef = render_notdef_ref->value.boolval;
2116
0
        }
2117
0
        else {
2118
0
            render_notdef = i_ctx_p->RenderTTNotdef;
2119
0
        }
2120
2121
        /* We should only render the TT notdef if we've been told to - logic lifted from zchar42.c */
2122
0
        if (!render_notdef
2123
0
            &&
2124
0
            ((ff->char_data_len == 7
2125
0
              && strncmp((const char *)ff->char_data, ".notdef", 7) == 0)
2126
0
             || (ff->char_data_len > 9
2127
0
                 && strncmp((const char *)ff->char_data, ".notdef~GS",
2128
0
                            10) == 0))) {
2129
0
            glyph_length = 0;
2130
0
        }
2131
0
        else {
2132
0
            if (l >= 0) {
2133
0
                int MetricsCount = gs_fapi_get_metrics_count(ff), mc =
2134
0
                    MetricsCount << 1;
2135
2136
0
                glyph_length = max((l - mc), 0);
2137
0
                if (glyph_length > 65535) /* We want limit this to a short int value */
2138
0
                    glyph_length = 0;
2139
0
                if (buf != 0 && glyph_length > 0)
2140
0
                    memcpy(buf, data_ptr + mc,
2141
0
                           min(glyph_length, buf_length) /* safety */ );
2142
0
            }
2143
0
            else {
2144
0
                gs_font_type42 *pfont42 = (gs_font_type42 *) ff->client_font_data;
2145
0
                ulong offset0, length_read;
2146
0
                int error = sfnt_get_glyph_offset(pdr, pfont42, char_code, &offset0);
2147
2148
0
                if (error < 0) {
2149
0
                    glyph_length = gs_fapi_glyph_invalid_index;
2150
0
                }
2151
0
                else if (pfont42->data.len_glyphs) {
2152
0
                    if (char_code <= pfont42->data.numGlyphs)
2153
0
                        glyph_length = pfont42->data.len_glyphs[char_code];
2154
0
                    else
2155
0
                        glyph_length = gs_fapi_glyph_invalid_index;
2156
0
                }
2157
0
                else {
2158
0
                    ulong noffs, endoffs;
2159
                    /* If we haven't got a len_glyphs array, try using the offset of the next glyph offset
2160
                     * to work out the length
2161
                     */
2162
0
                    error = sfnt_get_glyph_offset(pdr, pfont42, char_code + 1, &noffs);
2163
0
                    if (error == 0) {
2164
0
                        glyph_length = noffs - offset0;
2165
0
                        error = sfnt_get_sfnt_length(pdr, &endoffs);
2166
0
                        if (error < 0) {
2167
0
                            glyph_length = gs_fapi_glyph_invalid_index;
2168
0
                        }
2169
0
                        else {
2170
0
                            if (glyph_length + offset0 > endoffs) {
2171
0
                                glyph_length = gs_fapi_glyph_invalid_index;
2172
0
                            }
2173
0
                        }
2174
0
                    }
2175
0
                    else {
2176
                        /* And if we can't get the next glyph offset, use the end of the sfnt data
2177
                         * to work out the length.
2178
                         */
2179
0
                        error = sfnt_get_sfnt_length(pdr, &noffs);
2180
0
                        if (error < 0) {
2181
0
                            glyph_length = gs_fapi_glyph_invalid_index;
2182
0
                        }
2183
0
                        else {
2184
0
                            glyph_length = noffs - offset0;
2185
0
                        }
2186
0
                    }
2187
0
                }
2188
2189
0
                if (buf != 0 && !error) {
2190
0
                    sfnts_reader r;
2191
2192
0
                    sfnts_reader_init(pfont42->memory, &r, pdr);
2193
2194
0
                    r.seek(&r, offset0);
2195
0
                    length_read =
2196
0
                        r.rstring(&r, buf,
2197
0
                                  min(glyph_length,
2198
0
                                      buf_length) /* safety */ );
2199
0
                    if (r.error == 1) {
2200
0
                        glyph_length = gs_fapi_glyph_invalid_index;
2201
0
                    }
2202
                    /* r.error == 2 means a rangecheck, and probably means that the
2203
                     * font is broken, and the final glyph length is longer than the data available for it.
2204
                     * In which case we need to return the number of bytes read.
2205
                     */
2206
0
                    if (r.error == 2) {
2207
0
                        glyph_length = length_read;
2208
0
                    }
2209
0
                }
2210
0
            }
2211
0
        }
2212
0
    }
2213
1.27M
    return glyph_length;
2214
1.27M
}
2215
2216
static int
2217
ps_fapi_get_metrics(gs_fapi_font *ff, gs_string *char_name, gs_glyph cid, double *m, bool vertical)
2218
1.26M
{
2219
1.26M
    ref glyph;
2220
1.26M
    int code;
2221
1.26M
    gs_font_base *pbfont = ((gs_font_base *) ff->client_font_data2);
2222
2223
1.26M
    if (char_name->data != NULL) {
2224
1.26M
        make_string(&glyph, avm_foreign | a_readonly, char_name->size, char_name->data);
2225
1.26M
    }
2226
0
    else {
2227
0
        make_int(&glyph, cid);
2228
0
    }
2229
2230
1.26M
    if (vertical) {
2231
0
        code = zchar_get_metrics2(pbfont, &glyph, m);
2232
0
    }
2233
1.26M
    else {
2234
1.26M
        code = zchar_get_metrics(pbfont, &glyph, m);
2235
1.26M
    }
2236
2237
1.26M
    make_null(&glyph);
2238
2239
1.26M
    return (code);
2240
1.26M
}
2241
2242
2243
/* forward declaration for the ps_ff_stub assignment */
2244
static int ps_get_glyphname_or_cid(gs_text_enum_t *penum,
2245
                                   gs_font_base *pbfont,
2246
                                   gs_string *charstring, gs_string *name,
2247
                                   gs_glyph ccode, gs_string *enc_char_name,
2248
                                   char *font_file_path,
2249
                                   gs_fapi_char_ref *cr, bool bCID);
2250
2251
static int ps_fapi_set_cache(gs_text_enum_t *penum,
2252
                             const gs_font_base *pbfont,
2253
                             const gs_string *char_name, gs_glyph cid,
2254
                             const double pwidth[2], const gs_rect *pbbox,
2255
                             const double Metrics2_sbw_default[4],
2256
                             bool *imagenow);
2257
2258
static const gs_fapi_font ps_ff_stub = {
2259
    0,                          /* server_font_data */
2260
    0,                          /* need_decrypt */
2261
    NULL,                       /* const gs_memory_t */
2262
    0,                          /* font_file_path */
2263
    0,                          /* full_font_buf */
2264
    0,                          /* full_font_buf_len */
2265
    0,                          /* subfont */
2266
    false,                      /* is_type1 */
2267
    false,                      /* is_cid */
2268
    false,                      /* is_outline_font */
2269
    false,                      /* is_mtx_skipped */
2270
    false,                      /* is_vertical */
2271
    false,                      /* metrics_only */
2272
    {{-1, -1}},                 /* ttf_cmap_req */
2273
    {-1, -1},                   /* ttf_cmap_selected */
2274
    0,                          /* client_ctx_p */
2275
    0,                          /* client_font_data */
2276
    0,                          /* client_font_data2 */
2277
    0,                          /* char_data */
2278
    0,                          /* char_data_len */
2279
    0,                          /* embolden */
2280
    FAPI_FF_get_word,
2281
    FAPI_FF_get_long,
2282
    FAPI_FF_get_float,
2283
    FAPI_FF_get_name,
2284
    FAPI_FF_get_proc,
2285
    FAPI_FF_get_gsubr,
2286
    FAPI_FF_get_subr,
2287
    FAPI_FF_get_raw_subr,
2288
    FAPI_FF_get_glyph,
2289
    FAPI_FF_serialize_tt_font,
2290
    NULL,                       /* retrieve_tt_font */
2291
    FAPI_FF_get_charstring,
2292
    FAPI_FF_get_charstring_name,
2293
    ps_get_GlyphDirectory_data_ptr,
2294
    ps_get_glyphname_or_cid,
2295
    ps_fapi_get_metrics,
2296
    ps_fapi_set_cache
2297
};
2298
2299
static int
2300
FAPI_get_xlatmap(i_ctx_t *i_ctx_p, char **xlatmap)
2301
9.93k
{
2302
9.93k
    ref *pref;
2303
9.93k
    int code;
2304
2305
9.93k
    if ((code = dict_find_string(systemdict, ".xlatmap", &pref)) < 0)
2306
0
        return code;
2307
9.93k
    if (code == 0)
2308
0
        return_error(gs_error_undefined);
2309
2310
9.93k
    if (r_type(pref) != t_string)
2311
0
        return_error(gs_error_typecheck);
2312
9.93k
    *xlatmap = (char *)pref->value.bytes;
2313
    /*  Note : this supposes that xlatmap doesn't move in virtual memory.
2314
       Garbager must not be called while plugin executes get_scaled_font, get_decodingID.
2315
       Fix some day with making copy of xlatmap in system memory.
2316
     */
2317
9.93k
    return 0;
2318
9.93k
}
2319
2320
static int
2321
renderer_retcode(gs_memory_t *mem, gs_fapi_server *I, gs_fapi_retcode rc)
2322
0
{
2323
0
    if (rc == 0)
2324
0
        return 0;
2325
0
    emprintf2(mem,
2326
0
              "Error: Font Renderer Plugin ( %s ) return code = %d\n",
2327
0
              I->ig.d->subtype, rc);
2328
0
    return rc < 0 ? rc : gs_error_invalidfont;
2329
0
}
2330
2331
/* <server name>/<null> object .FAPIavailable bool */
2332
static int
2333
zFAPIavailable(i_ctx_t *i_ctx_p)
2334
308k
{
2335
308k
    os_ptr op = osp;
2336
308k
    char *serv_name = NULL;
2337
308k
    ref name_ref;
2338
2339
308k
    check_op(1);
2340
308k
    if (r_has_type(op, t_name)) {
2341
154k
        name_string_ref(imemory, op, &name_ref);
2342
2343
154k
        serv_name =
2344
154k
            (char *) ref_to_string(&name_ref, imemory, "zFAPIavailable");
2345
154k
        if (!serv_name) {
2346
0
            return_error(gs_error_VMerror);
2347
0
        }
2348
154k
    }
2349
2350
308k
    make_bool(op, gs_fapi_available(imemory, serv_name));
2351
2352
308k
    if (serv_name) {
2353
154k
        gs_free_string(imemory, (byte *) serv_name,
2354
154k
                       strlen((char *)serv_name) + 1, "zFAPIavailable");
2355
154k
    }
2356
308k
    return (0);
2357
308k
}
2358
2359
static int
2360
ps_get_server_param(gs_fapi_server *I, const char *subtype, char **server_param, int *server_param_size)
2361
2362
65.9k
{
2363
65.9k
    ref *FAPIconfig, *options, *server_options;
2364
65.9k
    i_ctx_t *i_ctx_p = (i_ctx_t *) I->client_ctx_p;
2365
2366
65.9k
    if (dict_find_string(systemdict, ".FAPIconfig", &FAPIconfig) > 0
2367
65.9k
        && r_has_type(FAPIconfig, t_dictionary)) {
2368
65.9k
        if (dict_find_string(FAPIconfig, "ServerOptions", &options) > 0
2369
65.9k
            && r_has_type(options, t_dictionary)) {
2370
65.9k
            if (dict_find_string(options, (char *)subtype, &server_options) >
2371
65.9k
                0 && r_has_type(server_options, t_string)) {
2372
0
                *server_param = (char *) server_options->value.const_bytes;
2373
0
                *server_param_size = r_size(server_options);
2374
0
            }
2375
65.9k
        }
2376
65.9k
    }
2377
65.9k
    return 1;
2378
65.9k
}
2379
2380
static inline int
2381
base_font_param(const ref *pfdict, gs_font **ppfont)
2382
1.08M
{
2383
1.08M
    int code = font_param(pfdict, ppfont);
2384
1.08M
    if (code >= 0 && (*ppfont)->FontType == ft_composite) {
2385
0
        code = gs_note_error(gs_error_invalidfont);
2386
0
    }
2387
1.08M
    return code;
2388
1.08M
}
2389
2390
static int
2391
FAPI_refine_font(i_ctx_t *i_ctx_p, os_ptr op, gs_font *pfont,
2392
                 int subfont, const char *font_file_path)
2393
65.8k
{
2394
65.8k
    ref *pdr = op;              /* font dict */
2395
65.8k
    const char *decodingID = NULL;
2396
65.8k
    char *xlatmap = NULL;
2397
65.8k
    gs_font_base *pbfont = (gs_font_base *)pfont;
2398
65.8k
    gs_fapi_server *I = pbfont->FAPI;
2399
65.8k
    ref *Decoding_old;
2400
65.8k
    int code;
2401
2402
65.8k
    if (font_file_path != NULL && pbfont->FAPI_font_data == NULL)
2403
0
        if ((code = FAPI_get_xlatmap(i_ctx_p, &xlatmap)) < 0)
2404
0
            return code;
2405
2406
65.8k
    gs_fapi_set_servers_client_data(imemory, NULL, i_ctx_p);
2407
2408
65.8k
    code =
2409
65.8k
        gs_fapi_prepare_font(pfont, I, subfont, font_file_path,
2410
65.8k
                             NULL, xlatmap, &decodingID);
2411
65.8k
    if (code < 0)
2412
0
        return code;
2413
2414
65.8k
    if (code > 0) {
2415
        /* save refined FontBBox back to PS world */
2416
0
        ref *v, mat[4], arr;
2417
0
        int attrs;
2418
2419
0
        if (dict_find_string(op, "FontBBox", &v) > 0) {
2420
0
            if (!r_has_type(v, t_array) && !r_has_type(v, t_shortarray)
2421
0
                && !r_has_type(v, t_mixedarray))
2422
0
                return_error(gs_error_invalidfont);
2423
0
            make_real(&mat[0], pbfont->FontBBox.p.x);
2424
0
            make_real(&mat[1], pbfont->FontBBox.p.y);
2425
0
            make_real(&mat[2], pbfont->FontBBox.q.x);
2426
0
            make_real(&mat[3], pbfont->FontBBox.q.y);
2427
0
            if (r_has_type(v, t_shortarray) || r_has_type(v, t_mixedarray)
2428
0
                || r_size(v) < 4) {
2429
                /* Create a new full blown array in case the values are reals */
2430
0
                code = ialloc_ref_array(&arr, a_all, 4, "array");
2431
0
                if (code < 0)
2432
0
                    return code;
2433
0
                v = &arr;
2434
0
                code = idict_put_string(op, "FontBBox", &arr);
2435
0
                if (code < 0)
2436
0
                    return code;
2437
0
                ref_assign_new(v->value.refs + 0, &mat[0]);
2438
0
                ref_assign_new(v->value.refs + 1, &mat[1]);
2439
0
                ref_assign_new(v->value.refs + 2, &mat[2]);
2440
0
                ref_assign_new(v->value.refs + 3, &mat[3]);
2441
0
            }
2442
0
            else {
2443
0
                ref_assign_old(v, v->value.refs + 0, &mat[0],
2444
0
                               "FAPI_refine_font_BBox");
2445
0
                ref_assign_old(v, v->value.refs + 1, &mat[1],
2446
0
                               "FAPI_refine_font_BBox");
2447
0
                ref_assign_old(v, v->value.refs + 2, &mat[2],
2448
0
                               "FAPI_refine_font_BBox");
2449
0
                ref_assign_old(v, v->value.refs + 3, &mat[3],
2450
0
                               "FAPI_refine_font_BBox");
2451
0
            }
2452
0
            attrs = v->tas.type_attrs;
2453
0
            r_clear_attrs(v, a_all);
2454
0
            r_set_attrs(v, attrs | a_execute);
2455
0
        }
2456
0
    }
2457
2458
    /* Assign a Decoding : */
2459
65.8k
    if (decodingID != 0 && *decodingID
2460
0
        && dict_find_string(pdr, "Decoding", &Decoding_old) <= 0) {
2461
0
        ref Decoding;
2462
2463
0
        if (FAPI_ISCIDFONT(pbfont)) {
2464
0
            ref *CIDSystemInfo, *Ordering, SubstNWP;
2465
0
            byte buf[30];
2466
0
            int ordering_length, decodingID_length =
2467
0
                min(strlen(decodingID), sizeof(buf) - 2);
2468
2469
0
            if (dict_find_string(pdr, "CIDSystemInfo", &CIDSystemInfo) <= 0
2470
0
                || !r_has_type(CIDSystemInfo, t_dictionary))
2471
0
                return_error(gs_error_invalidfont);
2472
2473
0
            if (dict_find_string(CIDSystemInfo, "Ordering", &Ordering) <= 0
2474
0
                || !r_has_type(Ordering, t_string)) {
2475
0
                return_error(gs_error_invalidfont);
2476
0
            }
2477
2478
0
            ordering_length =
2479
0
                min(r_size(Ordering), sizeof(buf) - 2 - decodingID_length);
2480
0
            memcpy(buf, Ordering->value.const_bytes, ordering_length);
2481
0
            if ((code =
2482
0
                 name_ref(imemory, buf, ordering_length, &SubstNWP, 0)) < 0)
2483
0
                return code;
2484
0
            if ((code =
2485
0
                 dict_put_string(pdr, "SubstNWP", &SubstNWP, NULL)) < 0)
2486
0
                return code;
2487
0
            buf[ordering_length] = '.';
2488
0
            memcpy(buf + ordering_length + 1, decodingID, decodingID_length);
2489
0
            buf[decodingID_length + 1 + ordering_length] = 0;   /* Debug purpose only */
2490
0
            if ((code = name_ref(imemory, buf,
2491
0
                                 decodingID_length + 1 + ordering_length,
2492
0
                                 &Decoding, 0)) < 0)
2493
0
                return code;
2494
0
        }
2495
0
        else if ((code = name_ref(imemory, (const byte *)decodingID,
2496
0
                                  strlen(decodingID), &Decoding, 0)) < 0)
2497
0
            return code;
2498
0
        if ((code = dict_put_string(pdr, "Decoding", &Decoding, NULL)) < 0)
2499
0
            return code;
2500
0
    }
2501
65.8k
    return 0;
2502
65.8k
}
2503
2504
/*  <string|name> <font> <is_disk_font> .rebuildfontFAPI <string|name> <font> */
2505
/*  Rebuild a font for handling it with an external renderer.
2506
2507
    The font was built as a native GS font to allow easy access
2508
    to font features. Then zFAPIrebuildfont sets FAPI entry
2509
    into gx_font_base and replaces BuildGlyph and BuildChar
2510
    to enforce the FAPI handling.
2511
2512
    This operator must not be called with devices which embed fonts.
2513
2514
*/
2515
static int
2516
zFAPIrebuildfont(i_ctx_t *i_ctx_p)
2517
65.9k
{
2518
65.9k
    os_ptr op = osp;
2519
65.9k
    build_proc_refs build;
2520
65.9k
    gs_font *pfont;
2521
65.9k
    int code;
2522
65.9k
    gs_font_base *pbfont;
2523
65.9k
    ref *v;
2524
65.9k
    char *font_file_path = NULL;
2525
65.9k
    char FAPI_ID[20];
2526
65.9k
    const byte *pchars;
2527
65.9k
    uint len;
2528
65.9k
    font_data *pdata;
2529
65.9k
    gs_fapi_server *I;
2530
65.9k
    bool has_buildglyph;
2531
65.9k
    bool has_buildchar;
2532
65.9k
    int subfont;
2533
2534
65.9k
    check_op(3);
2535
65.9k
    code = base_font_param(op - 1, &pfont);
2536
65.9k
    if (code < 0)
2537
0
        return code;
2538
2539
65.9k
    pbfont = (gs_font_base *) pfont;
2540
2541
65.9k
    check_type(*op, t_boolean);
2542
    /* If someone has copied the font dictionary, we may still
2543
     * have the FAPI entry in the dict, but not have the FAPI
2544
     * server assigned in the font object.
2545
     */
2546
65.9k
    if (pbfont->FAPI == NULL) {
2547
55.9k
        if (dict_find_string(op - 1, "FAPI", &v) <= 0
2548
55.9k
            || !r_has_type(v, t_name))
2549
0
            return_error(gs_error_invalidfont);
2550
55.9k
        obj_string_data(imemory, v, &pchars, &len);
2551
55.9k
        len = min(len, sizeof(FAPI_ID) - 1);
2552
55.9k
        strncpy((char *)FAPI_ID, (const char *)pchars, len);
2553
55.9k
        FAPI_ID[len] = 0;
2554
2555
55.9k
        gs_fapi_set_servers_client_data(imemory, &ps_ff_stub, i_ctx_p);
2556
2557
55.9k
        code =
2558
55.9k
            gs_fapi_find_server(imemory, FAPI_ID,
2559
55.9k
                                (gs_fapi_server **) & (pbfont->FAPI), ps_get_server_param);
2560
55.9k
        if (!pbfont->FAPI || code < 0) {
2561
0
            return_error(gs_error_invalidfont);
2562
0
        }
2563
55.9k
    }
2564
2565
65.9k
    pdata = (font_data *) pfont->client_data;
2566
65.9k
    I = pbfont->FAPI;
2567
2568
65.9k
    if (dict_find_string((op - 1), "SubfontId", &v) > 0
2569
0
        && r_has_type(v, t_integer))
2570
0
        subfont = v->value.intval;
2571
65.9k
    else
2572
65.9k
        subfont = 0;
2573
2574
2575
65.9k
    if (r_type(&(pdata->BuildGlyph)) != t_null) {
2576
65.9k
        has_buildglyph = true;
2577
65.9k
    }
2578
0
    else {
2579
0
        has_buildglyph = false;
2580
0
    }
2581
2582
65.9k
    if (r_type(&(pdata->BuildChar)) != t_null) {
2583
65.9k
        has_buildchar = true;
2584
65.9k
    }
2585
1
    else {
2586
1
        has_buildchar = false;
2587
1
    }
2588
2589
    /* This shouldn't happen, but just in case */
2590
65.9k
    if (has_buildglyph == false && has_buildchar == false) {
2591
0
        has_buildglyph = true;
2592
0
    }
2593
2594
65.9k
    if (dict_find_string(op - 1, "Path", &v) <= 0 || !r_has_type(v, t_string)) {
2595
65.9k
        v = NULL;
2596
65.9k
    }
2597
2598
65.9k
    if (pfont->FontType == ft_CID_encrypted && v == NULL) {
2599
1
        if ((code = build_proc_name_refs(imemory, &build, ".FAPIBuildGlyph9",
2600
1
                                         ".FAPIBuildGlyph9")) < 0) {
2601
0
            return code;
2602
0
        }
2603
1
    }
2604
65.9k
    else {
2605
65.9k
        if ((code = build_proc_name_refs(imemory, &build, ".FAPIBuildChar",
2606
65.9k
                                         ".FAPIBuildGlyph")) < 0) {
2607
0
            return code;
2608
0
        }
2609
65.9k
    }
2610
2611
65.9k
    if (!
2612
65.9k
        ((r_type(&(pdata->BuildChar)) != t_null
2613
65.9k
          && pdata->BuildChar.value.pname && build.BuildChar.value.pname
2614
65.9k
          && name_index(imemory, &pdata->BuildChar) == name_index(imemory,
2615
65.9k
                                                                  &build.
2616
65.9k
                                                                  BuildChar))
2617
65.8k
         || (r_type(&(pdata->BuildGlyph)) != t_null
2618
65.8k
             && pdata->BuildGlyph.value.pname && build.BuildGlyph.value.pname
2619
65.8k
             && name_index(imemory, &pdata->BuildGlyph) == name_index(imemory,
2620
65.8k
                                                                      &build.
2621
65.8k
                                                                      BuildGlyph))))
2622
65.8k
    {
2623
2624
65.8k
        if (has_buildchar == true) {
2625
65.8k
            ref_assign_new(&pdata->BuildChar, &build.BuildChar);
2626
65.8k
        }
2627
1
        else {
2628
1
            make_null(&pdata->BuildChar);
2629
1
        }
2630
2631
65.8k
        if (has_buildglyph == true) {
2632
65.8k
            ref_assign_new(&pdata->BuildGlyph, &build.BuildGlyph);
2633
65.8k
        }
2634
0
        else {
2635
0
            make_null(&pdata->BuildGlyph);
2636
0
        }
2637
65.8k
        if (v != NULL) {
2638
0
            font_file_path =
2639
0
                ref_to_string(v, imemory_global, "font file path");
2640
0
        }
2641
2642
65.8k
        code =
2643
65.8k
            FAPI_refine_font(i_ctx_p, op - 1, pfont, subfont,
2644
65.8k
                             font_file_path);
2645
2646
65.8k
        memcpy(&I->initial_FontMatrix, &pbfont->FontMatrix,
2647
65.8k
               sizeof(gs_matrix));
2648
2649
65.8k
        if (font_file_path != NULL) {
2650
0
            gs_free_string(imemory_global, (byte *) font_file_path,
2651
0
                           r_size(v) + 1, "font file path");
2652
0
        }
2653
65.8k
    }
2654
65.9k
    pop(1);
2655
65.9k
    return code;
2656
65.9k
}
2657
2658
static ulong
2659
array_find(const gs_memory_t *mem, ref *Encoding, ref *char_name)
2660
0
{
2661
0
    ulong n = r_size(Encoding), i;
2662
0
    ref v;
2663
2664
0
    for (i = 0; i < n; i++)
2665
0
        if (array_get(mem, Encoding, i, &v) < 0)
2666
0
            break;
2667
0
        else if (r_type(char_name) == r_type(&v)
2668
0
                 && char_name->value.const_pname == v.value.const_pname)
2669
0
            return i;
2670
0
    return 0;
2671
0
}
2672
2673
static int
2674
zfapi_finish_render(i_ctx_t *i_ctx_p)
2675
0
{
2676
0
    os_ptr op = osp;
2677
0
    gs_font *pfont;
2678
0
    int code = base_font_param(op - 1, &pfont);
2679
2680
0
    if (code == 0) {
2681
0
        gs_font_base *pbfont = (gs_font_base *) pfont;
2682
0
        gs_fapi_server *I = pbfont->FAPI;
2683
0
        gs_text_enum_t *penum = op_show_find(i_ctx_p);
2684
2685
0
        gs_fapi_set_servers_client_data(imemory, NULL, i_ctx_p);
2686
2687
0
        code = gs_fapi_finish_render(pfont, igs, penum, I);
2688
0
        pop(2);
2689
0
        I->release_char_data(I);
2690
0
    }
2691
0
    return code;
2692
0
}
2693
2694
static int
2695
ps_fapi_set_cache(gs_text_enum_t *penum, const gs_font_base *pbfont,
2696
                  const gs_string *char_name, gs_glyph cid,
2697
                  const double pwidth[2], const gs_rect *pbbox,
2698
                  const double Metrics2_sbw_default[4], bool *imagenow)
2699
1.01M
{
2700
1.01M
    i_ctx_t *i_ctx_p = (i_ctx_t *) pbfont->FAPI->client_ctx_p;
2701
1.01M
    op_proc_t exec_cont = 0;    /* dummy - see below */
2702
1.01M
    int code = 0;
2703
2704
1.01M
    if (cid < GS_MIN_CID_GLYPH) {
2705
1.01M
        ref cname;
2706
2707
1.01M
        make_string(&cname, avm_foreign | a_readonly, char_name->size,
2708
1.01M
                    char_name->data);
2709
1.01M
        code =
2710
1.01M
            zchar_set_cache(i_ctx_p, pbfont, &cname, NULL, pwidth, pbbox,
2711
1.01M
                            zfapi_finish_render, &exec_cont,
2712
1.01M
                            Metrics2_sbw_default);
2713
1.01M
    }
2714
0
    else {
2715
0
        ref cidref;
2716
2717
0
        make_int(&cidref, (cid - GS_MIN_CID_GLYPH));
2718
0
        code = zchar_set_cache(i_ctx_p, pbfont, &cidref, NULL, pwidth, pbbox,
2719
0
                               zfapi_finish_render, &exec_cont,
2720
0
                               Metrics2_sbw_default);
2721
0
    }
2722
2723
1.01M
    if (code >= 0 && exec_cont != NULL) {
2724
1.00M
        *imagenow = true;
2725
1.00M
    }
2726
3.11k
    else {
2727
3.11k
        *imagenow = false;
2728
3.11k
    }
2729
    /* We ignore the value of exec_cont here, and leave it up to
2730
     * gs_fapi_do_char() to do the "right" thing based on the
2731
     * return value
2732
     */
2733
1.01M
    return (code);
2734
1.01M
}
2735
2736
2737
static const byte *
2738
find_substring(const byte *where, int length, const char *what)
2739
0
{
2740
0
    int l = strlen(what);
2741
0
    int n = length - l;
2742
0
    const byte *p = where;
2743
2744
0
    for (; n >= 0; n--, p++)
2745
0
        if (!memcmp(p, what, l))
2746
0
            return p;
2747
0
    return NULL;
2748
0
}
2749
2750
static int
2751
ps_get_glyphname_or_cid(gs_text_enum_t *penum,
2752
                        gs_font_base *pbfont, gs_string *charstring,
2753
                        gs_string *name, gs_glyph ccode,
2754
                        gs_string *enc_char_name, char *font_file_path,
2755
                        gs_fapi_char_ref *cr, bool bCID)
2756
1.26M
{
2757
1.26M
    ref *pdr = pfont_dict(pbfont);
2758
1.26M
    int client_char_code = ccode;
2759
1.26M
    ref char_name, cname_str;
2760
1.26M
    int code = 0;
2761
1.26M
    gs_fapi_server *I = pbfont->FAPI;
2762
1.26M
    bool is_TT_from_type42 = (pbfont->FontType == ft_TrueType && font_file_path == NULL);
2763
1.26M
    bool is_glyph_index = false;
2764
1.26M
    bool is_embedded_type1 =
2765
1.26M
        ((pbfont->FontType == ft_encrypted
2766
1.26M
          || pbfont->FontType == ft_encrypted2) && font_file_path == NULL);
2767
1.26M
    i_ctx_t *i_ctx_p = (i_ctx_t *) I->client_ctx_p;
2768
1.26M
    bool unicode_cp = false;
2769
2770
    /* Obtain the character name : */
2771
1.26M
    if (bCID) {
2772
0
        if (pbfont->FontType == ft_CID_TrueType && font_file_path) {
2773
0
            ref *pdr2, *fidr, *dummy;
2774
0
            pdr2 = pfont_dict(gs_rootfont(igs));
2775
0
            if (dict_find_string_with_type(pdr2, "FontInfo", &fidr, t_dictionary) > 0 &&
2776
0
                dict_find_string(fidr, "GlyphNames2Unicode", &dummy) > 0)
2777
0
            {
2778
0
                unsigned char uc[4] = {0};
2779
0
                unsigned int cc = 0;
2780
0
                int i, l;
2781
0
                if (penum->text.operation & TEXT_FROM_SINGLE_CHAR) {
2782
0
                    cc = penum->text.data.d_char;
2783
0
                } else if (penum->text.operation & TEXT_FROM_SINGLE_GLYPH) {
2784
0
                    cc = penum->text.data.d_glyph - GS_MIN_CID_GLYPH;
2785
0
                }
2786
0
                else {
2787
0
                    byte *c = (byte *)&penum->text.data.bytes[penum->index - penum->bytes_decoded];
2788
0
                    for (i = 0; i < penum->bytes_decoded ; i++) {
2789
0
                      cc |= c[i] << ((penum->bytes_decoded - 1) - i) * 8;
2790
0
                    }
2791
0
                }
2792
0
                l = ((gs_font_base *)gs_rootfont(igs))->procs.decode_glyph(gs_rootfont(igs), cc + GS_MIN_CID_GLYPH, ccode, (unsigned short *)uc, sizeof(uc));
2793
0
                if (l > 0 && l < sizeof(uc)) {
2794
0
                    cc = 0;
2795
0
                    for (i = 0; i < l; i++) {
2796
0
                        cc |= uc[l - 1 - i] << (i * 8);
2797
0
                    }
2798
0
                    ccode = cc;
2799
0
                    unicode_cp = true;
2800
0
                }
2801
0
            }
2802
0
        }
2803
0
        client_char_code = ccode;
2804
0
        make_null(&char_name);
2805
0
        enc_char_name->data = NULL;
2806
0
        enc_char_name->size = 0;
2807
0
    }
2808
1.26M
    else {
2809
1.26M
        if (ccode != GS_NO_CHAR) {
2810
            /* Translate from PS encoding to char name : */
2811
1.26M
            ref *Encoding;
2812
2813
1.26M
            client_char_code = ccode;
2814
1.26M
            if (dict_find_string(pdr, "Encoding", &Encoding) > 0 &&
2815
1.26M
                (r_has_type(Encoding, t_array) ||
2816
0
                 r_has_type(Encoding, t_shortarray)
2817
1.26M
                 || r_has_type(Encoding, t_mixedarray))) {
2818
1.26M
                if (array_get(imemory, Encoding, client_char_code, &char_name)
2819
1.26M
                    < 0)
2820
0
                    if ((code =
2821
0
                         name_ref(imemory, (const byte *)".notdef", 7,
2822
0
                                  &char_name, -1)) < 0)
2823
0
                        return code;
2824
1.26M
            }
2825
0
            else {
2826
0
                return_error(gs_error_invalidfont);
2827
0
            }
2828
1.26M
        }
2829
0
        else {
2830
0
            code =
2831
0
                names_ref(imemory->gs_lib_ctx->gs_name_table,
2832
0
                          (const byte *)name->data, name->size, &char_name,
2833
0
                          0);
2834
2835
0
        }
2836
        /* We need to store the name as we get it (from the Encoding array), in case it's
2837
         * had the name extended (with "~GS~xx"), we'll remove the extension before passing
2838
         * it to the renderer for a disk based font. But the metrics dictionary may have
2839
         * been constructed using the extended name....
2840
         */
2841
1.26M
        if (!r_has_type(&char_name, t_name))
2842
0
            return_error(gs_error_invalidfont);
2843
1.26M
        name_string_ref(imemory, &char_name, &cname_str);
2844
1.26M
        enc_char_name->data = cname_str.value.bytes;
2845
1.26M
        enc_char_name->size = r_size(&cname_str);
2846
1.26M
    }
2847
2848
    /* Obtain the character code or glyph index : */
2849
1.26M
    cr->char_codes_count = 1;
2850
1.26M
    if (bCID) {
2851
0
        if (font_file_path != NULL) {
2852
0
            ref *Decoding, *TT_cmap = NULL, *SubstNWP;
2853
0
            ref src_type, dst_type;
2854
0
            uint c = 0;
2855
2856
0
            is_glyph_index = true;
2857
2858
0
            if (dict_find_string(pdr, "Decoding", &Decoding) <= 0
2859
0
                || !r_has_type(Decoding, t_dictionary))
2860
0
                return_error(gs_error_invalidfont);
2861
0
            if (dict_find_string(pdr, "SubstNWP", &SubstNWP) <= 0
2862
0
                || !r_has_type(SubstNWP, t_array))
2863
0
                return_error(gs_error_invalidfont);
2864
0
            if (dict_find_string(pdr, "TT_cmap", &TT_cmap) <= 0
2865
0
                || !r_has_type(TT_cmap, t_dictionary)) {
2866
0
                ref *DecodingArray, char_code, char_code1, ih;
2867
0
                int i = client_char_code % 256, n;
2868
2869
0
                make_int(&ih, client_char_code / 256);
2870
                /* Check the Decoding array for this block of CIDs */
2871
0
                if (dict_find(Decoding, &ih, &DecodingArray) <= 0
2872
0
                    || !r_has_type(DecodingArray, t_array)
2873
0
                    || array_get(imemory, DecodingArray, i, &char_code) < 0) {
2874
0
                    return_error(gs_error_invalidfont);
2875
0
                }
2876
2877
                /* Check the Decoding entry */
2878
0
                if (r_has_type(&char_code, t_integer)) {
2879
0
                    n = 1;
2880
0
                }
2881
0
                else if (r_has_type(&char_code, t_array)) {
2882
0
                    DecodingArray = &char_code;
2883
0
                    i = 0;
2884
0
                    n = r_size(DecodingArray);
2885
0
                }
2886
0
                else {
2887
0
                    return_error(gs_error_invalidfont);
2888
0
                }
2889
2890
0
                for (; n--; i++) {
2891
0
                    if (array_get(imemory, DecodingArray, i, &char_code1) < 0
2892
0
                        || !r_has_type(&char_code1, t_integer)) {
2893
0
                        return_error(gs_error_invalidfont);
2894
0
                    }
2895
2896
0
                    c = char_code1.value.intval;
2897
0
                    I->check_cmap_for_GID(I, &c);
2898
0
                    if (c != 0)
2899
0
                        break;
2900
0
                }
2901
0
            }
2902
0
            else {
2903
0
                ref *CIDSystemInfo;
2904
0
                ref *Ordering;
2905
0
                ref *fdict, *CMapDict, *CMapName, *WMode, CMapNameStr;
2906
0
                char *cmapnm = NULL;
2907
0
                int cmapnmlen = 0;
2908
0
                int wmode = 0;
2909
                /* leave off the -H or -V */
2910
0
                const char * const utfcmap = "Identity-UTF16";
2911
0
                int utfcmaplen = strlen(utfcmap);
2912
2913
0
                fdict = pfont_dict(gs_rootfont(igs));
2914
0
                code = dict_find_string(fdict, "CMap", &CMapDict);
2915
0
                if (code > 0 && r_has_type(CMapDict, t_dictionary)) {
2916
0
                    code = dict_find_string(CMapDict, "WMode", &WMode);
2917
0
                    if (code > 0 && r_has_type(WMode, t_integer)) {
2918
0
                        wmode = WMode->value.intval;
2919
0
                    }
2920
0
                    code = dict_find_string(CMapDict, "CMapName", &CMapName);
2921
0
                    if (code > 0 && r_has_type(CMapName, t_name)) {
2922
0
                        name_string_ref(imemory, CMapName, &CMapNameStr);
2923
0
                        cmapnm = (char *)CMapNameStr.value.bytes;
2924
0
                        cmapnmlen = r_size(&CMapNameStr);
2925
0
                    }
2926
0
                }
2927
                /* We only have to lookup the char code if we're *not* using an identity ordering
2928
                   with the exception of Identity-UTF16 which is a different beast altogether */
2929
0
                if (unicode_cp || (cmapnmlen > 0 && !strncmp(cmapnm, utfcmap, cmapnmlen > utfcmaplen ? utfcmaplen : cmapnmlen))
2930
0
                    || (dict_find_string(pdr, "CIDSystemInfo", &CIDSystemInfo) > 0
2931
0
                    && r_has_type(CIDSystemInfo, t_dictionary)
2932
0
                    && dict_find_string(CIDSystemInfo, "Ordering",
2933
0
                                        &Ordering) > 0
2934
0
                    && r_has_type(Ordering, t_string)
2935
0
                    && strncmp((const char *)Ordering->value.bytes,
2936
0
                               "Identity", 8) != 0)) {
2937
2938
0
                    if ((code =
2939
0
                         cid_to_TT_charcode(imemory, Decoding, TT_cmap,
2940
0
                                            SubstNWP, client_char_code, &c,
2941
0
                                            &src_type, &dst_type)) < 0) {
2942
0
                        return code;
2943
0
                    }
2944
0
                }
2945
0
                else {
2946
0
                    if (pbfont->FontType == ft_CID_TrueType) {
2947
0
                        c = ((gs_font_cid2 *)pbfont)->cidata.CIDMap_proc(((gs_font_cid2 *)pbfont),
2948
0
                                                  client_char_code + GS_MIN_CID_GLYPH);
2949
0
                    }
2950
0
                    else {
2951
0
                        c = client_char_code;
2952
0
                    }
2953
0
                }
2954
0
                if (pbfont->FontType == ft_CID_TrueType)
2955
0
                    c = ((gs_font_cid2 *)pbfont)->data.substitute_glyph_index_vertical((gs_font_type42 *)pbfont, c, wmode, ccode);
2956
0
            }
2957
0
            if (pbfont->FontType == ft_CID_TrueType && c == 0 && TT_cmap) {
2958
0
                ref cc32;
2959
0
                ref *gid;
2960
0
                make_int(&cc32, 32);
2961
0
                if (dict_find(TT_cmap, &cc32, &gid) > 0) {
2962
0
                    if (!r_has_type(gid, t_integer))
2963
0
                        code = gs_note_error(gs_error_typecheck);
2964
0
                    else
2965
0
                        c = gid->value.intval;
2966
0
                }
2967
0
            }
2968
0
            cr->char_codes[0] = c;
2969
            /* fixme : process the narrow/wide/proportional mapping type,
2970
               using src_type, dst_type. Should adjust the 'matrix' above.
2971
               Call get_font_proportional_feature for proper choice.
2972
             */
2973
0
        }
2974
0
        else {
2975
0
            ref *CIDMap;
2976
0
            byte *Map;
2977
0
            int c_code = client_char_code;
2978
0
            int gdb = 2;
2979
0
            int i;
2980
0
            ref *GDBytes = NULL;
2981
2982
0
            if ((dict_find_string(pdr, "GDBytes", &GDBytes) > 0)
2983
0
                && r_has_type(GDBytes, t_integer)) {
2984
0
                gdb = GDBytes->value.intval;
2985
0
            }
2986
2987
            /* The PDF Reference says that we should use a CIDToGIDMap, but the PDF
2988
             * interpreter converts this into a CIDMap (see pdf_font.ps, processCIDToGIDMap)
2989
             */
2990
0
            if (dict_find_string(pdr, "CIDMap", &CIDMap) > 0
2991
0
                && !r_has_type(CIDMap, t_name) && (r_has_type(CIDMap, t_array)
2992
0
                                                   || r_has_type(CIDMap,
2993
0
                                                                 t_string))) {
2994
2995
0
                if (r_has_type(CIDMap, t_array)) {
2996
2997
                    /* Too big for single string, so its an array of 2 strings */
2998
0
                    code = string_array_access_proc(pbfont->memory, CIDMap, 1,
2999
0
                                                    client_char_code * (ulong)gdb,
3000
0
                                                    gdb, NULL, NULL,
3001
0
                                                    (const byte **)&Map);
3002
0
                }
3003
0
                else {
3004
0
                    if (CIDMap->tas.rsize <= c_code * gdb) {
3005
0
                        c_code = 0;
3006
0
                    }
3007
0
                    Map = &CIDMap->value.bytes[c_code * gdb];
3008
                    /* If we don't have enough bytes in CIDMap, ensure we can't enter the loop below setting cr->char_codes[0] */
3009
0
                    if (Map + gdb > CIDMap->value.bytes + CIDMap->tas.rsize)
3010
0
                        code = -1;
3011
0
                }
3012
0
                cr->char_codes[0] = 0;
3013
0
                is_glyph_index = true;
3014
0
                if (code >= 0) {
3015
0
                    for (i = 0; i < gdb; i++) {
3016
0
                        cr->char_codes[0] = (cr->char_codes[0] << 8) + Map[i];
3017
0
                    }
3018
0
                }
3019
0
                else {
3020
0
                    ref *cstr, *refcode;
3021
0
                    code = dict_find_string_with_type(pdr, "CharStrings", &cstr, t_dictionary);
3022
0
                    if (code > 0) {
3023
0
                        code = dict_find_string_with_type(cstr, ".notdef", &refcode, t_integer);
3024
0
                        if (code > 0) {
3025
0
                            cr->char_codes[0] = refcode->value.intval;
3026
0
                        }
3027
0
                    }
3028
0
                }
3029
0
            }
3030
0
            else
3031
0
                cr->char_codes[0] = client_char_code;
3032
0
        }
3033
0
    }
3034
1.26M
    else if (is_TT_from_type42) {
3035
        /* This font must not use 'cmap', so compute glyph index from CharStrings : */
3036
0
        ref *CharStrings, *glyph_index, *cmaptab;
3037
3038
0
        if (dict_find_string(pdr, "TT_cmap", &cmaptab) > 0 &&
3039
0
           r_has_type(cmaptab, t_dictionary)) {
3040
0
           const char *nd = ".notdef";
3041
3042
0
           if (enc_char_name->size >= strlen(nd) &&
3043
0
               enc_char_name->data[0] == nd[0] &&
3044
0
               !memcmp(enc_char_name->data, nd, strlen(nd))) {
3045
0
               ref ccref, *gidref, boolref;
3046
0
               make_int(&ccref, ccode);
3047
0
               if (dict_find(cmaptab, &ccref, &gidref) > 0 &&
3048
0
                   r_has_type(gidref, t_integer) &&
3049
0
                   gidref->value.intval == 0) {
3050
0
                   make_bool(&boolref, true);
3051
0
               }
3052
0
               else {
3053
0
                   make_bool(&boolref, false);
3054
0
               }
3055
0
               dict_put_string(pdr, ".render_notdef", &boolref, NULL);
3056
0
           }
3057
0
        }
3058
3059
0
        if (dict_find_string(pdr, "CharStrings", &CharStrings) <= 0
3060
0
            || !r_has_type(CharStrings, t_dictionary))
3061
0
            return_error(gs_error_invalidfont);
3062
0
        if ((dict_find(CharStrings, &char_name, &glyph_index) <= 0)
3063
0
            || r_has_type(glyph_index, t_null)) {
3064
#ifdef DEBUG
3065
            ref *pvalue;
3066
3067
            if (gs_debug_c('1')
3068
                && (dict_find_string(systemdict, "QUIET", &pvalue)) > 0
3069
                && (r_has_type(pvalue, t_boolean)
3070
                    && pvalue->value.boolval == false)) {
3071
                char *glyphn;
3072
3073
                name_string_ref(imemory, &char_name, &char_name);
3074
3075
                glyphn =
3076
                    ref_to_string(&char_name, imemory,
3077
                                  "ps_get_glyphname_or_cid");
3078
                if (glyphn) {
3079
                    dmprintf2(imemory, " Substituting .notdef for %s in the font %s \n",
3080
                             glyphn, pbfont->font_name.chars);
3081
                    gs_free_string(imemory, (byte *) glyphn,
3082
                                   strlen(glyphn) + 1,
3083
                                   "ps_get_glyphname_or_cid");
3084
                }
3085
            }
3086
#endif
3087
3088
0
            cr->char_codes[0] = 0;      /* .notdef */
3089
0
            if ((code =
3090
0
                 name_ref(imemory, (const byte *)".notdef", 7, &char_name,
3091
0
                          -1)) < 0)
3092
0
                return code;
3093
0
        }
3094
0
        else if (r_has_type(glyph_index, t_integer)) {
3095
0
            cr->char_codes[0] = glyph_index->value.intval;
3096
0
        }
3097
0
        else {
3098
0
#if 1                           /* I can't find this ever being used, no idea what it's for..... */
3099
0
            os_ptr op = osp;
3100
3101
            /* Check execution stack has space for BuldChar proc and finish_render */
3102
0
            check_estack(2);
3103
            /* check space and duplicate the glyph index for BuildChar */
3104
0
            check_op(1);
3105
0
            push(1);
3106
0
            ref_assign_inline(op, op - 1);
3107
            /* Come back to fapi_finish_render after running the BuildChar */
3108
0
            push_op_estack(zfapi_finish_render);
3109
0
            ++esp;
3110
0
            ref_assign(esp, glyph_index);
3111
0
            return o_push_estack;
3112
#else
3113
            return (gs_error_invalidfont);
3114
#endif
3115
0
        }
3116
0
        is_glyph_index = true;
3117
0
    }
3118
1.26M
    else if (is_embedded_type1) {
3119
        /*  Since the client passes charstring by callback using I->ff.char_data,
3120
           the client doesn't need to provide a good cr here.
3121
           Perhaps since UFST uses char codes as glyph cache keys (UFST 4.2 cannot use names),
3122
           we provide font char codes equal to document's char codes.
3123
           This trick assumes that Encoding can't point different glyphs
3124
           for same char code. The last should be true due to
3125
           PLRM3, "5.9.4 Subsetting and Incremental Definition of Glyphs".
3126
         */
3127
1.26M
        if (ccode != GS_NO_CHAR) {
3128
1.26M
            cr->char_codes[0] = client_char_code;
3129
1.26M
        }
3130
0
        else {
3131
            /*
3132
             * Reverse Encoding here, because it can be an incremental one.
3133
             * Note that this can cause problems with UFST (see the comment above),
3134
             * if the encoding doesn't contain the glyph name rendered with glyphshow.
3135
             */
3136
0
            ref *Encoding;
3137
0
            ref glyph;
3138
3139
0
            if ((code = name_ref(pbfont->memory, name->data, name->size, &glyph, false)) < 0)
3140
0
                return code;
3141
3142
0
            if (dict_find_string(osp - 1, "Encoding", &Encoding) > 0) {
3143
0
                cr->char_codes[0] =
3144
0
                    (uint) array_find(imemory, Encoding, &glyph);
3145
0
            }
3146
0
            else
3147
0
                return_error(gs_error_invalidfont);
3148
0
        }
3149
1.26M
    }
3150
0
    else {                      /* a non-embedded font, i.e. a disk font */
3151
0
        bool can_retrieve_char_by_name = false;
3152
0
        const byte *p;
3153
3154
0
        obj_string_data(imemory, &char_name, &cr->char_name,
3155
0
                        &cr->char_name_length);
3156
0
        p = find_substring(cr->char_name, cr->char_name_length,
3157
0
                           gx_extendeg_glyph_name_separator);
3158
0
        if (p != NULL) {
3159
0
            cr->char_name_length = p - cr->char_name;
3160
0
            if ((code = name_ref(pbfont->memory, cr->char_name,
3161
0
                             cr->char_name_length, &char_name, true)) < 0)
3162
0
                return code;
3163
0
        }
3164
0
        if ((code =
3165
0
             renderer_retcode(imemory, I,
3166
0
                              I->can_retrieve_char_by_name(I, &I->ff, cr,
3167
0
                                                           &can_retrieve_char_by_name)))
3168
0
            < 0)
3169
0
            return code;
3170
3171
0
        if (!can_retrieve_char_by_name) {
3172
            /* Translate from char name to encoding used with 3d party font technology : */
3173
0
            ref *Decoding, *char_code;
3174
3175
0
            if (dict_find_string(osp - 1, "Decoding", &Decoding) > 0
3176
0
                && r_has_type(Decoding, t_dictionary)) {
3177
0
                if (dict_find(Decoding, &char_name, &char_code) > 0) {
3178
0
                    code = 0;
3179
0
                    if (r_has_type(char_code, t_integer)) {
3180
0
                        int c_code;
3181
0
                        int_param(char_code, 0xFFFF, &c_code);
3182
0
                        cr->char_codes[0] = (gs_glyph)c_code;
3183
0
                    }
3184
0
                    else if (r_has_type(char_code, t_array)
3185
0
                             || r_has_type(char_code, t_shortarray)) {
3186
0
                        int i;
3187
0
                        ref v;
3188
3189
0
                        cr->char_codes_count = r_size(char_code);
3190
0
                        if (cr->char_codes_count > count_of(cr->char_codes))
3191
0
                            code = gs_note_error(gs_error_rangecheck);
3192
0
                        if (code >= 0) {
3193
0
                            for (i = 0; i < cr->char_codes_count; i++) {
3194
0
                                code = array_get(imemory, char_code, i, &v);
3195
0
                                if (code < 0)
3196
0
                                    break;
3197
0
                                if (!r_has_type(char_code, t_integer)) {
3198
0
                                    code = gs_note_error(gs_error_rangecheck);
3199
0
                                    break;
3200
0
                                }
3201
0
                                cr->char_codes[i] = v.value.intval;
3202
0
                            }
3203
0
                        }
3204
0
                    }
3205
0
                    else {
3206
0
                        code = gs_note_error(gs_error_rangecheck);
3207
0
                    }
3208
0
                    if (code < 0) {
3209
0
                        char buf[16];
3210
0
                        int l = cr->char_name_length;
3211
3212
0
                        if (l > sizeof(buf) - 1) {
3213
0
                            l = sizeof(buf) - 1;
3214
0
                        }
3215
0
                        memcpy(buf, cr->char_name, l);
3216
0
                        buf[l] = 0;
3217
0
                        emprintf1(imemory,
3218
0
                                  "Wrong decoding entry for the character '%s'.\n",
3219
0
                                  buf);
3220
0
                        return_error(gs_error_rangecheck);
3221
0
                    }
3222
0
                }
3223
0
            }
3224
0
        }
3225
0
    }
3226
3227
    /* Provide glyph data for renderer : */
3228
    /* Occasionally, char_name is already a glyph index to pass to the rendering engine
3229
     * so don't treat it as a name object.
3230
     * I believe this will only happen with a TTF/Type42, but checking the object type
3231
     * is cheap, and covers all font type eventualities.
3232
     */
3233
1.26M
    if (!I->ff.is_cid && r_has_type(&char_name, t_name)) {
3234
1.26M
        ref sname;
3235
3236
1.26M
        name_string_ref(imemory, &char_name, &sname);
3237
1.26M
        I->ff.char_data = sname.value.const_bytes;
3238
1.26M
        I->ff.char_data_len = r_size(&sname);
3239
1.26M
    }
3240
0
    else if (I->ff.is_type1) {
3241
0
        I->ff.char_data = charstring;
3242
0
    }
3243
3244
1.26M
    cr->is_glyph_index = is_glyph_index;
3245
1.26M
    cr->client_char_code = client_char_code;
3246
3247
1.26M
    return (code);
3248
1.26M
}
3249
3250
3251
static int
3252
FAPI_char(i_ctx_t *i_ctx_p, bool bBuildGlyph, ref *charstring)
3253
1.01M
{                               /* Stack : <font> <code|name> --> - */
3254
1.01M
    os_ptr op = osp;
3255
1.01M
    ref *pdr = op - 1;
3256
1.01M
    ref *v;
3257
1.01M
    char *font_file_path = NULL;
3258
1.01M
    gs_font *pfont;
3259
1.01M
    int code;
3260
3261
1.01M
    check_op(2);
3262
1.01M
    code = base_font_param(osp - 1, &pfont);
3263
3264
1.01M
    if (code == 0) {
3265
1.01M
        gs_font_base *pbfont = (gs_font_base *) pfont;
3266
1.01M
        bool bCID = (FAPI_ISCIDFONT(pbfont) || charstring != NULL);
3267
1.01M
        int subfont;
3268
1.01M
        gs_fapi_server *I = pbfont->FAPI;
3269
1.01M
        gs_text_enum_t *penum = op_show_find(i_ctx_p);
3270
1.01M
        gs_string char_string, *c_string_p = NULL;
3271
1.01M
        gs_string char_name, *c_name_p = NULL;
3272
1.01M
        gs_glyph cindex = GS_NO_CHAR;
3273
1.01M
        ref gname;
3274
3275
1.01M
        if (I == NULL)
3276
0
            return_error(gs_error_invalidfont);
3277
3278
        /* initialise the FAPI font, this includes language specific stuff */
3279
1.01M
        I->ff = ps_ff_stub;
3280
3281
1.01M
        I->client_ctx_p = i_ctx_p;
3282
3283
1.01M
        if (bBuildGlyph && !bCID) {
3284
0
            if (r_type(op) != t_name) {
3285
0
                name_enter_string(imemory, ".notdef", op);
3286
0
            }
3287
0
            check_type(*op, t_name);
3288
3289
0
            name_string_ref(imemory, op, &gname);
3290
0
            c_name_p = &char_name;
3291
0
            c_name_p->data = gname.value.bytes;
3292
0
            c_name_p->size = r_size(&gname);
3293
3294
0
        }
3295
1.01M
        else {
3296
1.01M
            int chint;
3297
1.01M
            if (bBuildGlyph && pbfont->FontType == ft_CID_TrueType
3298
0
                && r_has_type(op, t_name)) {
3299
0
                ref *chstrs, *chs;
3300
3301
                /* This logic is lifted from %Type11BuildGlyph in gs_cidfn.ps
3302
                 * Note we only have to deal with mistakenly being given a name object
3303
                 * here, the out of range CID is handled later
3304
                 */
3305
0
                if ((dict_find_string_with_type(op - 1, "CharStrings", &chstrs, t_dictionary)) <= 0) {
3306
0
                    return_error(gs_error_undefined);
3307
0
                }
3308
3309
0
                if ((dict_find_string(chstrs, ".notdef", &chs)) <= 0) {
3310
0
                    return_error(gs_error_undefined);
3311
0
                }
3312
0
                ref_assign_inline(op, chs);
3313
0
            }
3314
3315
1.01M
            make_null(&gname);
3316
1.01M
            check_type(*op, t_integer);
3317
1.01M
            int_param(op, 0xFFFF, (int *)&chint);
3318
1.01M
            cindex = chint;
3319
1.01M
        }
3320
3321
1.01M
        if (dict_find_string(pdr, "SubfontId", &v) > 0
3322
0
            && r_has_type(v, t_integer))
3323
0
            subfont = v->value.intval;
3324
1.01M
        else
3325
1.01M
            subfont = 0;
3326
3327
1.01M
        if (dict_find_string(osp - 1, "Path", &v) > 0
3328
0
            && r_has_type(v, t_string)) {
3329
0
            font_file_path = ref_to_string(v, imemory, "font file path");
3330
0
        }
3331
3332
1.01M
        if (charstring) {
3333
0
            c_string_p = &char_string;
3334
0
            c_string_p->data = charstring->value.bytes;
3335
0
            c_string_p->size = r_size(charstring);
3336
0
        }
3337
3338
1.01M
        code =
3339
1.01M
            gs_fapi_do_char(pfont, igs, penum, font_file_path,
3340
1.01M
                            bBuildGlyph, c_string_p, c_name_p, (gs_char)cindex, cindex,
3341
1.01M
                            subfont);
3342
1.01M
        if (font_file_path != NULL) {
3343
0
            gs_free_string(imemory, (byte *) font_file_path, r_size(v) + 1,
3344
0
                           "font file path");
3345
0
        }
3346
        /* This handles the situation where a charstring has been replaced with a PS procedure.
3347
         * against the rules, but not *that* rare.
3348
         * It's also something that GS does internally to simulate font styles.
3349
         */
3350
1.01M
        if (code == gs_error_unregistered) {
3351
0
            os_ptr op = osp;
3352
0
            ref *proc = NULL, gname;
3353
3354
0
            if (I->ff.is_type1
3355
0
                && (get_charstring(&I->ff, cindex, &proc, &gname) >= 0)
3356
0
                && proc != NULL && (r_has_type(proc, t_array)
3357
0
                    || r_has_type(proc, t_mixedarray))) {
3358
0
                push(2);
3359
0
                ref_assign(op - 1, &gname);
3360
0
                ref_assign(op, proc);
3361
0
                return (zchar_exec_char_proc(i_ctx_p));
3362
0
            }
3363
0
            else {
3364
0
                return_error(gs_error_invalidfont);
3365
0
            }
3366
0
        }
3367
1.01M
    }
3368
    /* We've already imaged teh glyph, pop the operands */
3369
1.01M
    if (code == 0)
3370
1.00M
        pop(2);
3371
1.01M
    return code;
3372
1.01M
}
3373
3374
static int
3375
zFAPIBuildGlyph9(i_ctx_t *i_ctx_p)
3376
0
{
3377
    /*  The alghorithm is taken from %Type9BuildGlyph - see gs_cidfn.ps .  */
3378
0
    os_ptr lop, op = osp;
3379
0
    int cid, code;
3380
0
    avm_space s = ialloc_space(idmemory);
3381
0
    ref font9 = *pfont_dict(gs_currentfont(igs));
3382
0
    ref *rFDArray, f;
3383
0
    int font_index;
3384
3385
0
    check_op(2);
3386
0
    check_type(op[0], t_integer);
3387
0
    check_type(op[-1], t_dictionary);
3388
0
    cid = op[0].value.intval;
3389
0
    push(2);
3390
0
    op[-1] = *pfont_dict(gs_currentfont(igs));
3391
0
    op[0] = op[-2];             /* <font0> <cid> <font9> <cid> */
3392
0
    ialloc_set_space(idmemory, (r_is_local(op - 3) ? avm_global : avm_local));  /* for ztype9mapcid */
3393
3394
    /* stack: <font0> <cid> <font9> <cid> */
3395
0
    if ((code = ztype9mapcid(i_ctx_p)) < 0)
3396
0
        return code;            /* <font0> <cid> <charstring> <font_index> */
3397
    /* fixme: what happens if the charstring is absent ?
3398
       Can FDArray contain 'null' (see %Type9BuildGlyph in gs_cidfn.ps)? */
3399
0
    font_index = op[0].value.intval;
3400
0
    if (dict_find_string(&font9, "FDArray", &rFDArray) <= 0
3401
0
        || r_type(rFDArray) != t_array)
3402
0
        return_error(gs_error_invalidfont);
3403
0
    if (array_get(imemory, rFDArray, font_index, &f) < 0
3404
0
        || r_type(&f) != t_dictionary)
3405
0
        return_error(gs_error_invalidfont);
3406
3407
0
    op[0] = op[-2];
3408
0
    op[-2] = op[-1];            /* Keep the charstring on ostack for the garbager. */
3409
0
    op[-1] = f;                 /* <font0> <charstring> <subfont> <cid> */
3410
0
    if ((code = FAPI_char(i_ctx_p, true, op - 2)) < 0)
3411
0
        return code;
3412
    /* stack: <font0> <charstring> */
3413
3414
0
    lop = osp;
3415
0
    if (code == 5) {
3416
0
        int i, ind = (lop - op);
3417
3418
0
        op = osp;
3419
3420
0
        for (i = ind; i >= 0; i--) {
3421
0
            op[-i - 2] = op[-i];
3422
0
        }
3423
0
        pop(2);
3424
0
    }
3425
0
    else if (code < 0) {        /* <font0> <dirty> <dirty> <dirty> */
3426
        /* Adjust ostack for the correct error handling : */
3427
0
        make_int(op - 2, cid);
3428
0
        pop(2);                 /* <font0> <cid> */
3429
0
    }
3430
0
    else if (code != 5) {       /* <font0> <dirty> */
3431
3432
3433
0
        pop(2);                 /* */
3434
        /*  Note that this releases the charstring, and it may be garbage-collected
3435
           before the interpreter calls fapi_finish_render. This requires the server
3436
           to keep glyph raster internally between calls to get_char_raster_metrics
3437
           and get_char_raster. Perhaps UFST cannot provide metrics without
3438
           building a raster, so this constraint actually goes from UFST.
3439
         */
3440
0
    }
3441
0
    ialloc_set_space(idmemory, s);
3442
0
    return code;
3443
0
}
3444
3445
/* <font> <code> .FAPIBuildChar - */
3446
static int
3447
zFAPIBuildChar(i_ctx_t *i_ctx_p)
3448
1.01M
{
3449
1.01M
    return FAPI_char(i_ctx_p, false, NULL);
3450
1.01M
}
3451
3452
/* non-CID : <font> <code> .FAPIBuildGlyph - */
3453
/*     CID : <font> <name> .FAPIBuildGlyph - */
3454
static int
3455
zFAPIBuildGlyph(i_ctx_t *i_ctx_p)
3456
6
{
3457
6
    return FAPI_char(i_ctx_p, true, NULL);
3458
6
}
3459
3460
3461
/* <font_dict> .FAPIpassfont bool <font_dict> */
3462
/* must insert /FAPI to font dictionary */
3463
static int
3464
zFAPIpassfont(i_ctx_t *i_ctx_p)
3465
9.93k
{
3466
9.93k
    os_ptr op = osp;
3467
9.93k
    gs_font *pfont;
3468
9.93k
    int code;
3469
9.93k
    char *font_file_path = NULL;
3470
9.93k
    ref *v;
3471
9.93k
    char *xlatmap = NULL;
3472
9.93k
    char *fapi_request = NULL;
3473
9.93k
    char *fapi_id = NULL;
3474
9.93k
    ref reqstr;
3475
9.93k
    int subfont;
3476
3477
9.93k
    check_op(1);
3478
    /* Normally embedded fonts have no Path, but if a CID font is
3479
     * emulated with a TT font, and it is hooked with FAPI,
3480
     * the path presents and is neccessary to access the full font data.
3481
     */
3482
9.93k
    check_type(*op, t_dictionary);
3483
3484
9.93k
    code = base_font_param(osp, &pfont);
3485
9.93k
    if (code < 0)
3486
0
        return code;
3487
3488
9.93k
    if (dict_find_string(op, "SubfontId", &v) > 0
3489
0
        && r_has_type(v, t_integer))
3490
0
        subfont = v->value.intval;
3491
9.93k
    else
3492
9.93k
        subfont = 0;
3493
3494
9.93k
    code = FAPI_get_xlatmap(i_ctx_p, &xlatmap); /* Useful for emulated fonts hooked with FAPI. */
3495
9.93k
    if (code < 0)
3496
0
        return code;
3497
3498
    /* If the font dictionary contains a FAPIPlugInReq key, the the PS world wants us
3499
     * to try to use a specific FAPI plugin, so find it, and try it....
3500
     */
3501
9.93k
    if (dict_find_string(op, "FAPIPlugInReq", &v) > 0 && r_type(v) == t_name) {
3502
3503
0
        name_string_ref(imemory, v, &reqstr);
3504
3505
0
        fapi_request = ref_to_string(&reqstr, imemory, "zFAPIpassfont");
3506
0
    }
3507
3508
9.93k
    if (dict_find_string(op, "Path", &v) > 0 && r_has_type(v, t_string))
3509
0
        font_file_path = ref_to_string(v, imemory_global, "font file path");
3510
3511
9.93k
    gs_fapi_set_servers_client_data(imemory, &ps_ff_stub, i_ctx_p);
3512
3513
9.93k
    code =
3514
9.93k
        gs_fapi_passfont(pfont, subfont, font_file_path, NULL, fapi_request, xlatmap,
3515
9.93k
                         &fapi_id, NULL, ps_get_server_param);
3516
3517
9.93k
    if (font_file_path != NULL)
3518
0
        gs_free_string(imemory_global, (byte *) font_file_path, r_size(v) + 1,
3519
9.93k
                       "font file path");
3520
3521
9.93k
    if (fapi_request != NULL)
3522
0
        gs_free_string(imemory, (byte *) fapi_request,
3523
9.93k
                       strlen(fapi_request) + 1, "do_FAPIpassfont");
3524
9.93k
    if (code < 0 && code != gs_error_invalidaccess)
3525
14
        return code;
3526
3527
9.92k
    if (code >= 0 && fapi_id != NULL) {
3528
9.92k
        ref FAPI_ID;
3529
3530
9.92k
        if ((code =
3531
9.92k
             name_ref(imemory, (const byte *)fapi_id,
3532
9.92k
                      strlen(fapi_id), &FAPI_ID, false)) < 0)
3533
0
            return code;
3534
9.92k
        if ((code = dict_put_string(op, "FAPI", &FAPI_ID, NULL)) < 0)
3535
0
            return code;        /* Insert FAPI entry to font dictionary. */
3536
9.92k
    }
3537
9.92k
    push(1);
3538
9.92k
    make_bool(op, (fapi_id != NULL));
3539
9.92k
    return 0;
3540
9.92k
}
3541
3542
const op_def zfapi_op_defs[] = {
3543
    {"1.FAPIavailable", zFAPIavailable},
3544
    {"2.FAPIpassfont", zFAPIpassfont},
3545
    {"2.FAPIrebuildfont", zFAPIrebuildfont},
3546
    {"2.FAPIBuildChar", zFAPIBuildChar},
3547
    {"2.FAPIBuildGlyph", zFAPIBuildGlyph},
3548
    {"2.FAPIBuildGlyph9", zFAPIBuildGlyph9},
3549
    op_def_end(0)
3550
};