Coverage Report

Created: 2025-06-10 07:24

/src/ghostpdl/psi/zfapi.c
Line
Count
Source (jump to first uncovered line)
1
/* Copyright (C) 2001-2025 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
46
{
94
46
    ref s;
95
46
    int code;
96
97
46
    if (r->error < 0)
98
0
        return;
99
46
    do {
100
46
      r->index++;
101
46
      code = array_get(r->memory, r->sfnts, r->index, &s);
102
46
        if (code < 0) {
103
2
            r->error = code;
104
2
            return;
105
2
        }
106
44
        if (!r_has_type(&s, t_string)) {
107
2
            r->error = gs_note_error(gs_error_typecheck);
108
2
            return;
109
2
        }
110
42
      r->p = s.value.const_bytes;
111
42
      r->length = r_size(&s) & ~(uint) 1; /* See Adobe Technical Note # 5012, section 4.2. */
112
42
    } while (r->length == 0);
113
42
    r->offset = 0;
114
42
}
115
116
static inline byte
117
sfnts_reader_rbyte_inline(sfnts_reader *r)
118
864
{
119
864
    if (r->offset >= r->length)
120
0
        sfnts_next_elem(r);
121
864
    return ((r->error < 0) ? 0 : r->p[r->offset++]);
122
864
}
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
64
#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
32
{
135
32
    ushort retval;
136
137
32
    retval = SFNTS_READER_RBYTE_TO_USHORT(r) << 8;
138
32
    retval += SFNTS_READER_RBYTE_TO_USHORT(r);
139
140
32
    return retval;
141
32
}
142
143
#undef SFNTS_READER_RBYTE_TO_USHORT
144
145
800
#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
200
{
150
200
    ulong retval;
151
200
    retval = SFNTS_READER_RBYTE_TO_ULONG(r) << 24;
152
200
    retval += SFNTS_READER_RBYTE_TO_ULONG(r) << 16;
153
200
    retval += SFNTS_READER_RBYTE_TO_ULONG(r) << 8;
154
200
    retval += SFNTS_READER_RBYTE_TO_ULONG(r);
155
200
    return retval;
156
200
}
157
158
#undef SFNTS_READER_RWORD_TO_LONG
159
160
static int
161
sfnts_reader_rstring(sfnts_reader *r, byte *v, int length)
162
64
{
163
64
    int rlength = length;
164
165
64
    if (length <= 0)
166
0
        return (0);
167
64
    while (r->error >= 0) {
168
64
        int l = min(length, r->length - r->offset);
169
170
64
        memcpy(v, r->p + r->offset, l);
171
64
        length -= l;
172
64
        r->offset += l;
173
64
        if (length <= 0)
174
64
            return (rlength);
175
0
        v += l;
176
0
        sfnts_next_elem(r);
177
0
    }
178
0
    return (rlength - length);
179
64
}
180
181
static void
182
sfnts_reader_seek(sfnts_reader *r, ulong pos)
183
4
{                               /* fixme : optimize */
184
4
    ulong skipped = 0;
185
186
4
    r->index = -1;
187
4
    sfnts_next_elem(r);
188
38
    while (skipped + r->length < pos && r->error >= 0) {
189
34
        skipped += r->length;
190
34
        sfnts_next_elem(r);
191
34
    }
192
4
    r->offset = pos - skipped;
193
4
}
194
195
static void
196
sfnts_reader_init(const gs_memory_t *mem, sfnts_reader *r, ref *pdr)
197
8
{
198
8
    r->memory = mem;
199
8
    r->rbyte = sfnts_reader_rbyte;
200
8
    r->rword = sfnts_reader_rword;
201
8
    r->rlong = sfnts_reader_rlong;
202
8
    r->rstring = sfnts_reader_rstring;
203
8
    r->seek = sfnts_reader_seek;
204
8
    r->index = -1;
205
8
    r->error = 0;
206
8
    if (r_type(pdr) != t_dictionary ||
207
8
        dict_find_string(pdr, "sfnts", &r->sfnts) <= 0)
208
0
        r->error = gs_error_undefined;
209
8
    sfnts_next_elem(r);
210
8
}
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
0
{
228
0
    if (w->buf + w->buf_size < w->p + 1)
229
0
        return;                 /* safety */
230
0
    w->p[0] = v;
231
0
    w->p++;
232
0
}
233
234
static void
235
sfnts_writer_wword(sfnts_writer *w, ushort v)
236
16
{
237
16
    if (w->buf + w->buf_size < w->p + 2)
238
0
        return;                 /* safety */
239
16
    w->p[0] = v / 256;
240
16
    w->p[1] = v % 256;
241
16
    w->p += 2;
242
16
}
243
244
static void
245
sfnts_writer_wlong(sfnts_writer *w, ulong v)
246
76
{
247
76
    if (w->buf + w->buf_size < w->p + 4)
248
0
        return;                 /* safety */
249
76
    w->p[0] = v >> 24;
250
76
    w->p[1] = (v >> 16) & 0xFF;
251
76
    w->p[2] = (v >> 8) & 0xFF;
252
76
    w->p[3] = v & 0xFF;
253
76
    w->p += 4;
254
76
}
255
256
static void
257
sfnts_writer_wstring(sfnts_writer *w, byte *v, int length)
258
24
{
259
24
    if (w->buf + w->buf_size < w->p + length)
260
0
        return;                 /* safety */
261
24
    memcpy(w->p, v, length);
262
24
    w->p += length;
263
24
}
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
100
{
278
100
    return (memcmp(tag, "glyf", 4) && memcmp(tag, "glyx", 4) && /* Presents in files created by AdobePS5.dll Version 5.1.2 */
279
100
            memcmp(tag, "loca", 4) && memcmp(tag, "locx", 4) && /* Presents in files created by AdobePS5.dll Version 5.1.2 */
280
100
            memcmp(tag, "cmap", 4));
281
100
}
282
283
static void
284
sfnt_copy_table(sfnts_reader *r, sfnts_writer *w, int length)
285
4
{
286
4
    byte buf[1024];
287
288
4
    while (length > 0 && r->error >= 0) {
289
0
        int l = min(length, sizeof(buf));
290
291
0
        (void)r->rstring(r, buf, l);
292
0
        w->wstring(w, buf, l);
293
0
        length -= l;
294
0
    }
295
4
}
296
297
static int
298
sfnts_copy_except_glyf(sfnts_reader *r, sfnts_writer *w)
299
8
{                               /* Note : TTC is not supported and probably is unuseful for Type 42. */
300
    /* This skips glyf, loca and cmap from copying. */
301
8
    struct
302
8
    {
303
8
        byte tag[4];
304
8
        ulong checkSum, offset, offset_new, length;
305
8
    } tables[40];
306
8
    const ushort alignment = 4; /* Not sure, maybe 2 */
307
8
    ulong version = r->rlong(r);
308
8
    ushort num_tables = r->rword(r);
309
8
    ushort i, num_tables_new = 0;
310
8
    ushort searchRange, entrySelector = 0, rangeShift, v;
311
8
    ulong size_new = 12;
312
313
8
    if (num_tables > countof(tables)) {
314
0
        r->error = gs_note_error(gs_error_invalidfont);
315
0
        return r->error;
316
0
    }
317
318
8
    r->rword(r);                /* searchRange */
319
8
    if (r->error < 0)
320
0
        return r->error;
321
322
8
    r->rword(r);                /* entrySelector */
323
8
    if (r->error < 0)
324
0
        return r->error;
325
326
8
    r->rword(r);                /* rangeShift */
327
8
    if (r->error < 0)
328
0
        return r->error;
329
330
72
    for (i = 0; i < num_tables && r->error >= 0; i++) {
331
64
        (void)r->rstring(r, tables[i].tag, 4);
332
64
        if (r->error < 0)
333
0
            continue;
334
64
        tables[i].checkSum = r->rlong(r);
335
64
        tables[i].offset = r->rlong(r);
336
64
        tables[i].length = r->rlong(r);
337
64
        tables[i].offset_new = size_new;
338
64
        if (sfnts_need_copy_table(tables[i].tag)) {
339
48
            num_tables_new++;
340
48
            size_new +=
341
48
                (tables[i].length + alignment - 1) / alignment * alignment;
342
48
        }
343
64
    }
344
8
    if (r->error < 0)
345
0
        return r->error;
346
8
    size_new += num_tables_new * 16;
347
8
    if (w == 0) {
348
4
        return size_new;
349
4
    }
350
4
    searchRange = v = num_tables_new * 16;
351
32
    for (i = 0; v; i++) {
352
28
        v >>= 1;
353
28
        searchRange |= v;
354
28
        entrySelector++;
355
28
    }
356
4
    searchRange -= searchRange >> 1;
357
4
    rangeShift = num_tables_new * 16 - searchRange;
358
359
4
    w->wlong(w, version);
360
4
    w->wword(w, num_tables_new);
361
4
    w->wword(w, searchRange);
362
4
    w->wword(w, entrySelector);
363
4
    w->wword(w, rangeShift);
364
36
    for (i = 0; i < num_tables; i++) {
365
32
        if (sfnts_need_copy_table(tables[i].tag)) {
366
24
            w->wstring(w, tables[i].tag, 4);
367
24
            w->wlong(w, tables[i].checkSum);
368
24
            w->wlong(w, tables[i].offset_new + num_tables_new * 16);
369
24
            w->wlong(w, tables[i].length);
370
24
        }
371
32
    }
372
8
    for (i = 0; i < num_tables && r->error >= 0; i++) {
373
4
        if (sfnts_need_copy_table(tables[i].tag)) {
374
4
            int k = tables[i].length;
375
376
4
            r->seek(r, tables[i].offset);
377
378
4
            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
4
            sfnt_copy_table(r, w, tables[i].length);
383
4
            for (; k & (alignment - 1); k++)
384
0
                w->wbyte(w, 0);
385
4
        }
386
4
    }
387
4
    if (r->error < 0)
388
4
        return r->error;
389
390
0
    return (size_new);
391
4
}
392
393
static int
394
true_type_size(const gs_memory_t *mem, ref *pdr, unsigned long int *length)
395
4
{
396
4
    sfnts_reader r;
397
398
4
    sfnts_reader_init(mem, &r, pdr);
399
4
    *length = sfnts_copy_except_glyf(&r, 0);
400
401
4
    return r.error;
402
4
}
403
404
static int
405
FAPI_FF_serialize_tt_font(gs_fapi_font *ff, void *buf, int buf_size)
406
4
{
407
4
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
408
4
    sfnts_reader r;
409
4
    sfnts_writer w = sfnts_writer_stub;
410
411
4
    w.buf_size = buf_size;
412
4
    w.buf = w.p = buf;
413
4
    sfnts_reader_init(ff->memory, &r, pdr);
414
4
    return sfnts_copy_except_glyf(&r, &w);
415
4
}
416
417
static inline ushort
418
float_to_ushort(float v)
419
66.8k
{
420
66.8k
    return ((ushort) (v * 16)); /* fixme : the scale may depend on renderer */
421
66.8k
}
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
128k
{
431
128k
    gs_font_type1 *pfont = (gs_font_type1 *) ff->client_font_data;
432
128k
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
433
128k
    int code = 0;
434
435
128k
    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
2.12k
        case gs_fapi_font_feature_FontType:
452
2.12k
            *ret = (pfont->FontType == 2 ? 2 : 1);
453
2.12k
            break;
454
16.9k
        case gs_fapi_font_feature_FontBBox:
455
16.9k
            switch (index) {
456
4.24k
                case 0:
457
4.24k
                    *ret = ((ushort) pfont->FontBBox.p.x);
458
4.24k
                    break;
459
4.24k
                case 1:
460
4.24k
                    *ret = ((ushort) pfont->FontBBox.p.y);
461
4.24k
                    break;
462
4.24k
                case 2:
463
4.24k
                    *ret = ((ushort) pfont->FontBBox.q.x);
464
4.24k
                    break;
465
4.24k
                case 3:
466
4.24k
                    *ret = ((ushort) pfont->FontBBox.q.y);
467
4.24k
                    break;
468
0
                default:
469
0
                    code = gs_note_error(gs_error_rangecheck);
470
16.9k
            }
471
16.9k
            break;
472
16.9k
        case gs_fapi_font_feature_BlueValues_count:
473
4.24k
            *ret = pfont->data.BlueValues.count;
474
4.24k
            break;
475
33.0k
        case gs_fapi_font_feature_BlueValues:
476
33.0k
            *ret =  (float_to_ushort(pfont->data.BlueValues.values[index]));
477
33.0k
            break;
478
4.24k
        case gs_fapi_font_feature_OtherBlues_count:
479
4.24k
            *ret = pfont->data.OtherBlues.count;
480
4.24k
            break;
481
0
        case gs_fapi_font_feature_OtherBlues:
482
0
            *ret = (float_to_ushort(pfont->data.OtherBlues.values[index]));
483
0
            break;
484
4.24k
        case gs_fapi_font_feature_FamilyBlues_count:
485
4.24k
            *ret = pfont->data.FamilyBlues.count;
486
4.24k
            break;
487
0
        case gs_fapi_font_feature_FamilyBlues:
488
0
            *ret = (float_to_ushort(pfont->data.FamilyBlues.values[index]));
489
0
            break;
490
4.24k
        case gs_fapi_font_feature_FamilyOtherBlues_count:
491
4.24k
            *ret = pfont->data.FamilyOtherBlues.count;
492
4.24k
            break;
493
0
        case gs_fapi_font_feature_FamilyOtherBlues:
494
0
            *ret = (float_to_ushort(pfont->data.FamilyOtherBlues.values[index]));
495
0
            break;
496
4.24k
        case gs_fapi_font_feature_BlueShift:
497
4.24k
            *ret = float_to_ushort(pfont->data.BlueShift);
498
4.24k
            break;
499
4.24k
        case gs_fapi_font_feature_BlueFuzz:
500
4.24k
            *ret = float_to_ushort(pfont->data.BlueShift);
501
4.24k
            break;
502
4.24k
        case gs_fapi_font_feature_StdHW:
503
4.24k
            *ret = (pfont->data.StdHW.count == 0 ? 0 : float_to_ushort(pfont->data.StdHW.values[0]));   /* UFST bug ? */
504
4.24k
            break;
505
4.24k
        case gs_fapi_font_feature_StdVW:
506
4.24k
            *ret = (pfont->data.StdVW.count == 0 ? 0 : float_to_ushort(pfont->data.StdVW.values[0]));   /* UFST bug ? */
507
4.24k
            break;
508
4.24k
        case gs_fapi_font_feature_StemSnapH_count:
509
4.24k
            *ret = pfont->data.StemSnapH.count;
510
4.24k
            break;
511
8.49k
        case gs_fapi_font_feature_StemSnapH:
512
8.49k
            *ret = float_to_ushort(pfont->data.StemSnapH.values[index]);
513
8.49k
            break;
514
4.24k
        case gs_fapi_font_feature_StemSnapV_count:
515
4.24k
            *ret = pfont->data.StemSnapV.count;
516
4.24k
            break;
517
8.34k
        case gs_fapi_font_feature_StemSnapV:
518
8.34k
            *ret = float_to_ushort(pfont->data.StemSnapV.values[index]);
519
8.34k
            break;
520
4.24k
        case gs_fapi_font_feature_ForceBold:
521
4.24k
            *ret = pfont->data.ForceBold;
522
4.24k
            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(pdr, "Private", &Private) <= 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
4.24k
        case gs_fapi_font_feature_Subrs_count:
549
4.24k
            {
550
4.24k
                ref *Private, *Subrs;
551
552
4.24k
                if (dict_find_string(pdr, "Private", &Private) <= 0) {
553
0
                    *ret = 0;
554
0
                    break;
555
0
                }
556
4.24k
                if (dict_find_string(Private, "Subrs", &Subrs) <= 0) {
557
0
                    *ret = 0;
558
0
                    break;
559
0
                }
560
4.24k
                *ret = r_size(Subrs);
561
4.24k
                break;
562
4.24k
            }
563
0
        case gs_fapi_font_feature_CharStrings_count:
564
0
            {
565
0
                ref *CharStrings;
566
567
0
                if (dict_find_string(pdr, "CharStrings", &CharStrings) <= 0)
568
0
                    *ret = 0;
569
0
                else
570
0
                    *ret = dict_maxlength(CharStrings);
571
0
                break;
572
4.24k
            }
573
            /* Multiple Master specific */
574
8.49k
        case gs_fapi_font_feature_DollarBlend:
575
8.49k
            {
576
8.49k
                ref *DBlend;
577
578
8.49k
                if (dict_find_string(pdr, "$Blend", &DBlend) <= 0)
579
8.49k
                    *ret = 0;
580
0
                else
581
0
                    *ret = 1;
582
8.49k
                break;
583
4.24k
            }
584
0
        case gs_fapi_font_feature_BlendAxisTypes_count:
585
0
            {
586
0
                ref *Info, *Axes;
587
588
0
                if (dict_find_string(pdr, "FontInfo", &Info) <= 0) {
589
0
                    *ret = 0;
590
0
                    break;
591
0
                }
592
0
                if (dict_find_string(Info, "BlendAxisTypes", &Axes) <= 0) {
593
0
                    *ret = 0;
594
0
                    break;
595
0
                }
596
0
                *ret = r_size(Axes);
597
0
                break;
598
0
            }
599
0
        case gs_fapi_font_feature_BlendFontInfo_count:
600
0
            {
601
0
                ref *Info, *FontInfo;
602
603
0
                if (dict_find_string(pdr, "Blend", &Info) <= 0) {
604
0
                    *ret = 0;
605
0
                    break;
606
0
                }
607
0
                if (dict_find_string(Info, "FontInfo", &FontInfo) <= 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(pdr, "Blend", &Info) <= 0) {
619
0
                    *ret = 0;
620
0
                    break;
621
0
                }
622
0
                if (dict_find_string(Info, "Private", &Private) <= 0) {
623
0
                    *ret = 0;
624
0
                    break;
625
0
                }
626
0
                *ret = dict_length(Private);
627
0
                break;
628
0
            }
629
0
        case gs_fapi_font_feature_WeightVector_count:
630
0
            {
631
0
                *ret = pfont->data.WeightVector.count;
632
0
                break;
633
0
            }
634
0
        case gs_fapi_font_feature_BlendDesignPositionsArrays_count:
635
0
            {
636
0
                ref *Info, *Array;
637
638
0
                if (dict_find_string(pdr, "FontInfo", &Info) <= 0) {
639
0
                    *ret = 0;
640
0
                    break;
641
0
                }
642
0
                if (dict_find_string(Info, "BlendDesignPositions", &Array) <= 0) {
643
0
                    *ret = 0;
644
0
                    break;
645
0
                }
646
0
                *ret = r_size(Array);
647
0
                break;
648
0
            }
649
0
        case gs_fapi_font_feature_BlendDesignMapArrays_count:
650
0
            {
651
0
                ref *Info, *Array;
652
653
0
                if (dict_find_string(pdr, "FontInfo", &Info) <= 0) {
654
0
                    *ret = 0;
655
0
                    break;
656
0
                }
657
0
                if (dict_find_string(Info, "BlendDesignMap", &Array) <= 0) {
658
0
                    *ret = 0;
659
0
                    break;
660
0
                }
661
0
                *ret = r_size(Array);
662
0
                break;
663
0
            }
664
0
        case gs_fapi_font_feature_BlendDesignMapSubArrays_count:
665
0
            {
666
0
                ref *Info, *Array, SubArray;
667
668
0
                if (dict_find_string(pdr, "FontInfo", &Info) <= 0) {
669
0
                    *ret = 0;
670
0
                    break;
671
0
                }
672
0
                if (dict_find_string(Info, "BlendDesignMap", &Array) <= 0) {
673
0
                    *ret = 0;
674
0
                    break;
675
0
                }
676
0
                if (array_get(ff->memory, Array, index, &SubArray) < 0) {
677
0
                    *ret = 0;
678
0
                    break;
679
0
                }
680
0
                *ret = r_size(&SubArray);
681
0
                break;
682
0
            }
683
0
        case gs_fapi_font_feature_DollarBlend_length:
684
0
            {
685
0
                ref *DBlend, Element, string;
686
0
                int i, length = 0;
687
0
                char Buffer[32];
688
689
0
                if (dict_find_string(pdr, "$Blend", &DBlend) <= 0) {
690
0
                    *ret = 0;
691
0
                    break;
692
0
                }
693
0
                for (i = 0; i < r_size(DBlend); i++) {
694
                    /* When reading the real proc, we add a space between each entry */
695
0
                    length++;
696
0
                    if (array_get(ff->memory, DBlend, i, &Element) < 0) {
697
0
                        length = 0;
698
0
                        break;
699
0
                    }
700
0
                    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
0
                        case t_real:
706
0
                            gs_snprintf(Buffer, sizeof(Buffer), "%f", Element.value.realval);
707
0
                            length += strlen(Buffer);
708
0
                            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
0
                        case t_operator:
714
0
                            {
715
0
                                op_def const *op;
716
717
0
                                op = op_index_def(r_size(&Element));
718
0
                                length += strlen(op->oname + 1);
719
0
                            }
720
0
                            break;
721
0
                        default:
722
0
                            break;
723
0
                    }
724
725
0
                    if (length > max_ushort) {
726
0
                        length = 0;
727
0
                        break;
728
0
                    }
729
0
                 }
730
0
                *ret = length;
731
0
                break;
732
0
            }
733
0
        case gs_fapi_font_feature_BlendFontBBox_length:
734
0
            {
735
0
                ref *Blend, *bfbbox, bfbbox0;
736
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
737
0
                    *ret = 0;
738
0
                    break;
739
0
                }
740
741
0
                if (dict_find_string(Blend, "FontBBox", &bfbbox) <= 0) {
742
0
                    *ret = 0;
743
0
                    break;
744
0
                }
745
0
                if (!r_has_type(bfbbox, t_array) || array_get(ff->memory, bfbbox, 0, &bfbbox0) < 0) {
746
0
                    *ret = 0;
747
0
                    break;
748
0
                }
749
0
                *ret = (ushort)r_size(&bfbbox0);
750
0
                break;
751
0
            }
752
0
        case gs_fapi_font_feature_BlendFontBBox:
753
0
            {
754
0
                ref *Blend, *bfbbox, subbfbbox, val;
755
0
                int aind, ind;
756
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
757
0
                    *ret = 0;
758
0
                    break;
759
0
                }
760
0
                if (dict_find_string(Blend, "FontBBox", &bfbbox) <= 0) {
761
0
                    *ret = 0;
762
0
                    break;
763
0
                }
764
0
                ind = index % 4;
765
0
                aind = (index - ind) /4;
766
0
                if (array_get(ff->memory, bfbbox, aind, &subbfbbox) < 0) {
767
0
                    *ret = 0;
768
0
                    break;
769
0
                }
770
0
                if (array_get(ff->memory, &subbfbbox, ind, &val) < 0) {
771
0
                    *ret = 0;
772
0
                    break;
773
0
                }
774
775
0
                *ret = (ushort)val.value.intval;
776
0
                break;
777
0
            }
778
0
        case gs_fapi_font_feature_BlendBlueValues_length:
779
0
            {
780
0
                ref *Priv, *Blend, *bbv;
781
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
782
0
                    *ret = 0;
783
0
                    break;
784
0
                }
785
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
786
0
                    *ret = 0;
787
0
                    break;
788
0
                }
789
0
                if (dict_find_string(Priv, "BlueValues", &bbv) <= 0) {
790
0
                    *ret = 0;
791
0
                    break;
792
0
                }
793
0
                *ret = (ushort)r_size(bbv);
794
0
                break;
795
0
            }
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(pdr, "Blend", &Blend) <= 0) {
801
0
                    *ret = 0;
802
0
                    break;
803
0
                }
804
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
805
0
                    *ret = 0;
806
0
                    break;
807
0
                }
808
0
                if (dict_find_string(Priv, "BlueValues", &bbv) <= 0) {
809
0
                    *ret = 0;
810
0
                    break;
811
0
                }
812
0
                if (array_get(ff->memory, bbv, index, &sub) < 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(pdr, "Blend", &Blend) <= 0) {
824
0
                    *ret = 0;
825
0
                    break;
826
0
                }
827
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
828
0
                    *ret = 0;
829
0
                    break;
830
0
                }
831
0
                if (dict_find_string(Priv, "BlueValues", &bbv) <= 0) {
832
0
                    *ret = 0;
833
0
                    break;
834
0
                }
835
836
0
                while (1) {
837
0
                    if ((code = array_get(ff->memory, bbv, aind++, &sub)) < 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(ff->memory, &sub, index, &r) < 0) {
850
0
                    *ret = 0;
851
0
                    break;
852
0
                }
853
854
0
                *ret = (ushort)r.value.intval;
855
0
                break;
856
0
            }
857
0
        case gs_fapi_font_feature_BlendOtherBlues_length:
858
0
            {
859
0
                ref *Priv, *Blend, *bob;
860
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
861
0
                    *ret = 0;
862
0
                    break;
863
0
                }
864
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
865
0
                    *ret = 0;
866
0
                    break;
867
0
                }
868
0
                if (dict_find_string(Priv, "OtherBlues", &bob) <= 0) {
869
0
                    *ret = 0;
870
0
                    break;
871
0
                }
872
0
                *ret = (ushort)r_size(bob);
873
0
                break;
874
0
            }
875
0
        case gs_fapi_font_feature_BlendOtherBlues_count:
876
0
            {
877
0
                ref *Priv, *Blend, *bob, sub;
878
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
879
0
                    *ret = 0;
880
0
                    break;
881
0
                }
882
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
883
0
                    *ret = 0;
884
0
                    break;
885
0
                }
886
0
                if (dict_find_string(Priv, "OtherBlues", &bob) <= 0) {
887
0
                    *ret = 0;
888
0
                    break;
889
0
                }
890
891
0
                 if (array_get(ff->memory, bob, index, &sub) < 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(pdr, "Blend", &Blend) <= 0) {
903
0
                    *ret = 0;
904
0
                    break;
905
0
                }
906
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
907
0
                    *ret = 0;
908
0
                    break;
909
0
                }
910
0
                if (dict_find_string(Priv, "OtherBlues", &bob) <= 0) {
911
0
                    *ret = 0;
912
0
                    break;
913
0
                }
914
915
0
                while (1) {
916
0
                    if ((code = array_get(ff->memory, bob, aind++, &sub)) < 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(ff->memory, &sub, index, &r) < 0) {
928
0
                    *ret = 0;
929
0
                    break;
930
0
                }
931
932
0
                *ret = (ushort)r.value.intval;
933
0
                break;
934
0
            }
935
0
        case gs_fapi_font_feature_BlendBlueScale_count:
936
0
            {
937
0
                ref *Priv, *Blend, *bbs;
938
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
939
0
                    *ret = 0;
940
0
                    break;
941
0
                }
942
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
943
0
                    *ret = 0;
944
0
                    break;
945
0
                }
946
0
                if (dict_find_string(Priv, "BlueScale", &bbs) <= 0) {
947
0
                    *ret = 0;
948
0
                    break;
949
0
                }
950
0
                *ret = (ushort)r_size(bbs);
951
0
                break;
952
0
            }
953
0
        case gs_fapi_font_feature_BlendBlueShift_count:
954
0
            {
955
0
                ref *Priv, *Blend, *bbs;
956
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
957
0
                    *ret = 0;
958
0
                    break;
959
0
                }
960
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
961
0
                    *ret = 0;
962
0
                    break;
963
0
                }
964
0
                if (dict_find_string(Priv, "BlueShift", &bbs) <= 0) {
965
0
                    *ret = 0;
966
0
                    break;
967
0
                }
968
0
                *ret = (ushort)r_size(bbs);
969
0
                break;
970
0
            }
971
0
        case gs_fapi_font_feature_BlendBlueShift:
972
0
            {
973
0
                ref *Priv, *Blend, *bbs, r;
974
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
975
0
                    *ret = 0;
976
0
                    break;
977
0
                }
978
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
979
0
                    *ret = 0;
980
0
                    break;
981
0
                }
982
0
                if (dict_find_string(Priv, "BlueShift", &bbs) <= 0) {
983
0
                    *ret = 0;
984
0
                    break;
985
0
                }
986
0
                if (array_get(ff->memory, bbs, index, &r) < 0) {
987
0
                    *ret = 0;
988
0
                    break;
989
0
                }
990
991
0
                *ret = (ushort)r.value.intval;
992
0
                break;
993
0
            }
994
0
        case gs_fapi_font_feature_BlendBlueFuzz_count:
995
0
            {
996
0
                ref *Priv, *Blend, *bbf;
997
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
998
0
                    *ret = 0;
999
0
                    break;
1000
0
                }
1001
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1002
0
                    *ret = 0;
1003
0
                    break;
1004
0
                }
1005
0
                if (dict_find_string(Priv, "BlueFuzz", &bbf) <= 0) {
1006
0
                    *ret = 0;
1007
0
                    break;
1008
0
                }
1009
0
                *ret = (ushort)r_size(bbf);
1010
0
                break;
1011
0
            }
1012
0
        case gs_fapi_font_feature_BlendBlueFuzz:
1013
0
            {
1014
0
                ref *Priv, *Blend, *bbf, r;
1015
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1016
0
                    *ret = 0;
1017
0
                    break;
1018
0
                }
1019
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1020
0
                    *ret = 0;
1021
0
                    break;
1022
0
                }
1023
0
                if (dict_find_string(Priv, "BlueFuzz", &bbf) <= 0) {
1024
0
                    *ret = 0;
1025
0
                    break;
1026
0
                }
1027
0
                if (array_get(ff->memory, bbf, index, &r) < 0) {
1028
0
                    *ret = 0;
1029
0
                    break;
1030
0
                }
1031
1032
0
                *ret = (ushort)r.value.intval;
1033
0
                break;
1034
0
            }
1035
0
        case gs_fapi_font_feature_BlendForceBold_count:
1036
0
            {
1037
0
                ref *Priv, *Blend, *bfb;
1038
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1039
0
                    *ret = 0;
1040
0
                    break;
1041
0
                }
1042
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1043
0
                    *ret = 0;
1044
0
                    break;
1045
0
                }
1046
0
                if (dict_find_string(Priv, "ForceBold", &bfb) <= 0) {
1047
0
                    *ret = 0;
1048
0
                    break;
1049
0
                }
1050
0
                *ret = (ushort)r_size(bfb);
1051
0
                break;
1052
0
            }
1053
0
        case gs_fapi_font_feature_BlendForceBold:
1054
0
            {
1055
0
                ref *Priv, *Blend, *bfb, r;
1056
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1057
0
                    *ret = 0;
1058
0
                    break;
1059
0
                }
1060
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1061
0
                    *ret = 0;
1062
0
                    break;
1063
0
                }
1064
0
                if (dict_find_string(Priv, "BlueFuzz", &bfb) <= 0) {
1065
0
                    *ret = 0;
1066
0
                    break;
1067
0
                }
1068
0
                if (array_get(ff->memory, bfb, index, &r) < 0) {
1069
0
                    *ret = 0;
1070
0
                    break;
1071
0
                }
1072
1073
0
                *ret = (ushort)r.value.boolval;
1074
0
            }
1075
0
        case gs_fapi_font_feature_BlendStdHW_length:
1076
0
            {
1077
0
                ref *Priv, *Blend, *stdhw;
1078
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1079
0
                    *ret = 0;
1080
0
                    break;
1081
0
                }
1082
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1083
0
                    *ret = 0;
1084
0
                    break;
1085
0
                }
1086
0
                if (dict_find_string(Priv, "StdHW", &stdhw) <= 0) {
1087
0
                    *ret = 0;
1088
0
                    break;
1089
0
                }
1090
0
                *ret = (ushort)r_size(stdhw);
1091
0
                break;
1092
0
            }
1093
0
        case gs_fapi_font_feature_BlendStdHW_count:
1094
0
            {
1095
0
                ref *Priv, *Blend, *stdhw, sub;
1096
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1097
0
                    *ret = 0;
1098
0
                    break;
1099
0
                }
1100
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1101
0
                    *ret = 0;
1102
0
                    break;
1103
0
                }
1104
0
                if (dict_find_string(Priv, "StdHW", &stdhw) <= 0) {
1105
0
                    *ret = 0;
1106
0
                    break;
1107
0
                }
1108
1109
0
                if (array_get(ff->memory, stdhw, index, &sub) < 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(pdr, "Blend", &Blend) <= 0) {
1121
0
                    *ret = 0;
1122
0
                    break;
1123
0
                }
1124
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1125
0
                    *ret = 0;
1126
0
                    break;
1127
0
                }
1128
0
                if (dict_find_string(Priv, "StdHW", &stdhw) <= 0) {
1129
0
                    *ret = 0;
1130
0
                    break;
1131
0
                }
1132
1133
0
                while (1) {
1134
0
                    if ((code = array_get(ff->memory, stdhw, aind++, &sub)) < 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(ff->memory, &sub, index, &r) < 0) {
1146
0
                    *ret = 0;
1147
0
                    break;
1148
0
                }
1149
1150
0
                *ret = (ushort)r.value.intval;
1151
0
                break;
1152
0
            }
1153
0
        case gs_fapi_font_feature_BlendStdVW_length:
1154
0
            {
1155
0
                ref *Priv, *Blend, *stdvw;
1156
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1157
0
                    *ret = 0;
1158
0
                    break;
1159
0
                }
1160
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1161
0
                    *ret = 0;
1162
0
                    break;
1163
0
                }
1164
0
                if (dict_find_string(Priv, "StdVW", &stdvw) <= 0) {
1165
0
                    *ret = 0;
1166
0
                    break;
1167
0
                }
1168
0
                *ret = (ushort)r_size(stdvw);
1169
0
                break;
1170
0
            }
1171
0
        case gs_fapi_font_feature_BlendStdVW_count:
1172
0
            {
1173
0
                ref *Priv, *Blend, *stdvw, sub;
1174
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1175
0
                    *ret = 0;
1176
0
                    break;
1177
0
                }
1178
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1179
0
                    *ret = 0;
1180
0
                    break;
1181
0
                }
1182
1183
0
                if (dict_find_string(Priv, "StdVW", &stdvw) <= 0) {
1184
0
                    *ret = 0;
1185
0
                    break;
1186
0
                }
1187
1188
0
                if (array_get(ff->memory, stdvw, index, &sub) < 0) {
1189
0
                    *ret = 0;
1190
0
                    break;
1191
0
                }
1192
0
                *ret = (ushort)r_size(&sub);
1193
0
                break;
1194
0
            }
1195
0
        case gs_fapi_font_feature_BlendStdVW:
1196
0
            {
1197
0
                ref *Priv, *Blend, *stdvw, sub, r;
1198
0
                int aind = 0;
1199
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1200
0
                    *ret = 0;
1201
0
                    break;
1202
0
                }
1203
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1204
0
                    *ret = 0;
1205
0
                    break;
1206
0
                }
1207
0
                if (dict_find_string(Priv, "StdVW", &stdvw) <= 0) {
1208
0
                    *ret = 0;
1209
0
                    break;
1210
0
                }
1211
1212
0
                while (1) {
1213
0
                    if ((code = array_get(ff->memory, stdvw, aind++, &sub)) < 0)
1214
0
                        break;
1215
0
                    if (index - (int)r_size(&sub) < 0) {
1216
0
                        break;
1217
0
                    }
1218
0
                    index -= r_size(&sub);
1219
0
                }
1220
0
                if (code < 0) {
1221
0
                    *ret = 0;
1222
0
                    break;
1223
0
                }
1224
0
                if (array_get(ff->memory, &sub, index, &r) < 0) {
1225
0
                    *ret = 0;
1226
0
                    break;
1227
0
                }
1228
1229
0
                *ret = (ushort)r.value.intval;
1230
0
                break;
1231
0
            }
1232
0
        case gs_fapi_font_feature_BlendStemSnapH_length:
1233
0
            {
1234
0
                ref *Priv, *Blend, *ssh;
1235
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1236
0
                    *ret = 0;
1237
0
                    break;
1238
0
                }
1239
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1240
0
                    *ret = 0;
1241
0
                    break;
1242
0
                }
1243
0
                if (dict_find_string(Priv, "StemSnapH", &ssh) <= 0) {
1244
0
                    *ret = 0;
1245
0
                    break;
1246
0
                }
1247
0
                *ret = (ushort)r_size(ssh);
1248
0
                break;
1249
0
            }
1250
0
        case gs_fapi_font_feature_BlendStemSnapH_count:
1251
0
            {
1252
0
                ref *Priv, *Blend, *bssh, sub;
1253
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1254
0
                    *ret = 0;
1255
0
                    break;
1256
0
                }
1257
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1258
0
                    *ret = 0;
1259
0
                    break;
1260
0
                }
1261
0
                if (dict_find_string(Priv, "StemSnapH", &bssh) <= 0) {
1262
0
                    *ret = 0;
1263
0
                    break;
1264
0
                }
1265
1266
0
                if (array_get(ff->memory, bssh, index, &sub) < 0) {
1267
0
                    *ret = 0;
1268
0
                    break;
1269
0
                }
1270
0
                *ret = (ushort)r_size(&sub);
1271
0
                break;
1272
0
            }
1273
0
        case gs_fapi_font_feature_BlendStemSnapH:
1274
0
            {
1275
0
                ref *Priv, *Blend, *bssh, sub, r;
1276
0
                int aind = 0;
1277
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1278
0
                    *ret = 0;
1279
0
                    break;
1280
0
                }
1281
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1282
0
                    *ret = 0;
1283
0
                    break;
1284
0
                }
1285
0
                if (dict_find_string(Priv, "StemSnapH", &bssh) <= 0) {
1286
0
                    *ret = 0;
1287
0
                    break;
1288
0
                }
1289
1290
0
                while (1) {
1291
0
                    if ((code = array_get(ff->memory, bssh, aind++, &sub)) < 0)
1292
0
                        break;
1293
0
                    if (index - (int)r_size(&sub) < 0) {
1294
0
                        break;
1295
0
                    }
1296
0
                    index -= r_size(&sub);
1297
0
                }
1298
0
                if (code < 0) {
1299
0
                    *ret = 0;
1300
0
                    break;
1301
0
                }
1302
0
                if (array_get(ff->memory, &sub, index, &r) < 0) {
1303
0
                    *ret = 0;
1304
0
                    break;
1305
0
                }
1306
1307
0
                *ret = (ushort)r.value.intval;
1308
0
                break;
1309
0
            }
1310
0
        case gs_fapi_font_feature_BlendStemSnapV_length:
1311
0
            {
1312
0
                ref *Priv, *Blend, *ssv;
1313
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1314
0
                    *ret = 0;
1315
0
                    break;
1316
0
                }
1317
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1318
0
                    *ret = 0;
1319
0
                    break;
1320
0
                }
1321
0
                if (dict_find_string(Priv, "StdHW", &ssv) <= 0) {
1322
0
                    *ret = 0;
1323
0
                    break;
1324
0
                }
1325
0
                *ret = (ushort)r_size(ssv);
1326
0
                break;
1327
0
            }
1328
0
        case gs_fapi_font_feature_BlendStemSnapV_count:
1329
0
            {
1330
0
                ref *Priv, *Blend, *bssv, sub;
1331
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1332
0
                    *ret = 0;
1333
0
                    break;
1334
0
                }
1335
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1336
0
                    *ret = 0;
1337
0
                    break;
1338
0
                }
1339
0
                if (dict_find_string(Priv, "StemSnapV", &bssv) <= 0) {
1340
0
                    *ret = 0;
1341
0
                    break;
1342
0
                }
1343
1344
0
                if (array_get(ff->memory, bssv, index, &sub) < 0) {
1345
0
                    *ret = 0;
1346
0
                    break;
1347
0
                }
1348
0
                *ret = (ushort)r_size(&sub);
1349
0
                break;
1350
0
            }
1351
0
        case gs_fapi_font_feature_BlendStemSnapV:
1352
0
            {
1353
0
                ref *Priv, *Blend, *bssv, sub, r;
1354
0
                int aind = 0;
1355
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1356
0
                    *ret = 0;
1357
0
                    break;
1358
0
                }
1359
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1360
0
                    *ret = 0;
1361
0
                    break;
1362
0
                }
1363
0
                if (dict_find_string(Priv, "StemSnapV", &bssv) <= 0) {
1364
0
                    *ret = 0;
1365
0
                    break;
1366
0
                }
1367
1368
0
                while (1) {
1369
0
                    if ((code = array_get(ff->memory, bssv, aind++, &sub)) < 0)
1370
0
                        break;
1371
0
                    if (index - (int)r_size(&sub) < 0) {
1372
0
                        break;
1373
0
                    }
1374
0
                    index -= r_size(&sub);
1375
0
                }
1376
0
                if (code < 0) {
1377
0
                    *ret = 0;
1378
0
                    break;
1379
0
                }
1380
0
                if (array_get(ff->memory, &sub, index, &r) < 0) {
1381
0
                    *ret = 0;
1382
0
                    break;
1383
0
                }
1384
1385
0
                *ret = (ushort)r.value.intval;
1386
0
                break;
1387
0
            }
1388
1389
            /* End MM specifics */
1390
128k
    }
1391
128k
    return code;
1392
128k
}
1393
1394
static int
1395
FAPI_FF_get_long(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index, unsigned long *ret)
1396
4.25k
{
1397
4.25k
    gs_font_type1 *pfont = (gs_font_type1 *) ff->client_font_data;
1398
4.25k
    int code = 0;
1399
1400
4.25k
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1401
1402
4.25k
    switch ((int)var_id) {
1403
0
        case gs_fapi_font_feature_UniqueID:
1404
0
            *ret = pfont->UID.id;
1405
0
            break;
1406
4.24k
        case gs_fapi_font_feature_BlueScale:
1407
4.24k
            *ret = (ulong) (pfont->data.BlueScale * 65536);
1408
4.24k
            break;
1409
0
        case gs_fapi_font_feature_Subrs_total_size:
1410
0
            {
1411
0
                ref *Private, *Subrs, v;
1412
0
                int lenIV = max(pfont->data.lenIV, 0), k;
1413
0
                ulong size = 0;
1414
0
                long i;
1415
0
                const char *name[2] = { "Subrs", "GlobalSubrs" };
1416
0
                if (dict_find_string(pdr, "Private", &Private) <= 0) {
1417
0
                    *ret = 0;
1418
0
                    break;
1419
0
                }
1420
0
                for (k = 0; k < 2; k++) {
1421
0
                    if (dict_find_string(Private, name[k], &Subrs) > 0)
1422
0
                        for (i = r_size(Subrs) - 1; i >= 0; i--) {
1423
0
                            array_get(pfont->memory, Subrs, i, &v);
1424
0
                            if (r_type(&v) == t_string) {
1425
0
                                size += r_size(&v) - (ff->need_decrypt ? 0 : lenIV);
1426
0
                            }
1427
0
                        }
1428
0
                }
1429
0
                *ret = size;
1430
0
            }
1431
0
            break;
1432
4
        case gs_fapi_font_feature_TT_size:
1433
4
            code = true_type_size(ff->memory, pdr, ret);
1434
4
            break;
1435
4.25k
    }
1436
4.25k
    return code;
1437
4.25k
}
1438
1439
static int
1440
FAPI_FF_get_float(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index, float *ret)
1441
25.4k
{
1442
25.4k
    gs_font_type1 *pfont1 = (gs_font_type1 *) ff->client_font_data;
1443
25.4k
    gs_font_base *pbfont = (gs_font_base *) ff->client_font_data2;
1444
25.4k
    ref *pdr = pfont_dict(pbfont);
1445
25.4k
    int code = 0;
1446
25.4k
    gs_fapi_server *I = pbfont->FAPI;
1447
1448
25.4k
    switch ((int)var_id) {
1449
25.4k
        case gs_fapi_font_feature_FontMatrix:
1450
25.4k
            {
1451
25.4k
                double FontMatrix_div;
1452
25.4k
                gs_matrix m, *mptr;
1453
1454
25.4k
                if (I && I->get_fontmatrix) {
1455
25.4k
                    FontMatrix_div = 1;
1456
25.4k
                    mptr = &m;
1457
25.4k
                    I->get_fontmatrix(I, mptr);
1458
25.4k
                }
1459
0
                else {
1460
0
                    FontMatrix_div =
1461
0
                        ((ff->is_cid
1462
0
                          && (!FAPI_ISCIDFONT(pbfont))) ? 1000 : 1);
1463
0
                    mptr = &(pbfont->base->FontMatrix);
1464
0
                }
1465
25.4k
                switch (index) {
1466
4.24k
                    case 0:
1467
4.24k
                    default:
1468
4.24k
                        *ret = (mptr->xx / FontMatrix_div);
1469
4.24k
                        break;
1470
4.24k
                    case 1:
1471
4.24k
                        *ret = (mptr->xy / FontMatrix_div);
1472
4.24k
                        break;
1473
4.24k
                    case 2:
1474
4.24k
                        *ret = (mptr->yx / FontMatrix_div);
1475
4.24k
                        break;
1476
4.24k
                    case 3:
1477
4.24k
                        *ret = (mptr->yy / FontMatrix_div);
1478
4.24k
                        break;
1479
4.24k
                    case 4:
1480
4.24k
                        *ret = (mptr->tx / FontMatrix_div);
1481
4.24k
                        break;
1482
4.24k
                    case 5:
1483
4.24k
                        *ret = (mptr->ty / FontMatrix_div);
1484
4.24k
                        break;
1485
25.4k
                }
1486
25.4k
                break;
1487
25.4k
            }
1488
1489
25.4k
        case gs_fapi_font_feature_WeightVector:
1490
0
            {
1491
0
                if (index < pfont1->data.WeightVector.count) {
1492
0
                    *ret = pfont1->data.WeightVector.values[index];
1493
0
                }
1494
0
                else {
1495
0
                    *ret = 0;
1496
0
                }
1497
0
            }
1498
0
            break;
1499
0
        case gs_fapi_font_feature_BlendDesignPositionsArrayValue:
1500
0
            {
1501
0
                ref *Info, *Array, SubArray, value;
1502
0
                int array_index = index / 8;
1503
1504
0
                index %= 8;
1505
0
                if (dict_find_string(pdr, "FontInfo", &Info) <= 0) {
1506
0
                    *ret = 0;
1507
0
                    break;
1508
0
                }
1509
0
                if (dict_find_string(Info, "BlendDesignPositions", &Array) <= 0) {
1510
0
                    *ret = 0;
1511
0
                    break;
1512
0
                }
1513
0
                if (array_get(ff->memory, Array, array_index, &SubArray) < 0) {
1514
0
                    *ret = 0;
1515
0
                    break;
1516
0
                }
1517
0
                if (array_get(ff->memory, &SubArray, index, &value) < 0)
1518
0
                    return 0;
1519
0
                if (!r_has_type(&value, t_integer)) {
1520
0
                    if (r_has_type(&value, t_real)) {
1521
0
                        *ret = value.value.realval;
1522
0
                    }
1523
0
                    else
1524
0
                        *ret = 0;
1525
0
                }
1526
0
                else
1527
0
                    *ret = ((float)value.value.intval);
1528
0
            }
1529
0
            break;
1530
0
        case gs_fapi_font_feature_BlendDesignMapArrayValue:
1531
0
            {
1532
0
                ref *Info, *Array, SubArray, SubSubArray, value;
1533
0
                int array_index = index / 64;
1534
1535
0
                index %= 8;
1536
0
                if (dict_find_string(pdr, "FontInfo", &Info) <= 0) {
1537
0
                    *ret = 0;
1538
0
                    break;
1539
0
                 }
1540
0
                if (dict_find_string(Info, "BlendDesignMap", &Array) <= 0) {
1541
0
                    *ret = 0;
1542
0
                    break;
1543
0
                }
1544
0
                if (array_get(ff->memory, Array, array_index, &SubArray) < 0) {
1545
0
                    *ret = 0;
1546
0
                    break;
1547
0
                }
1548
0
                if (array_get(ff->memory, &SubArray, index, &SubSubArray) < 0) {
1549
0
                    *ret = 0;
1550
0
                    break;
1551
0
                }
1552
0
                if (array_get(ff->memory, &SubSubArray, index, &value) < 0) {
1553
0
                    *ret = 0;
1554
0
                    break;
1555
0
                }
1556
0
                if (!r_has_type(&value, t_integer)) {
1557
0
                    if (r_has_type(&value, t_real)) {
1558
0
                        *ret = (value.value.realval);
1559
0
                    }
1560
0
                    else
1561
0
                        *ret = 0;
1562
0
                }
1563
0
                else
1564
0
                    *ret = ((float)value.value.intval);
1565
0
            }
1566
0
            break;
1567
0
        case gs_fapi_font_feature_BlendBlueScale:
1568
0
            {
1569
0
                ref *Priv, *Blend, *bbs, r;
1570
1571
0
                if (dict_find_string(pdr, "Blend", &Blend) <= 0) {
1572
0
                    *ret = 0;
1573
0
                    break;
1574
0
                }
1575
0
                if (dict_find_string(Blend, "Private", &Priv) <= 0) {
1576
0
                    *ret = 0;
1577
0
                    break;
1578
0
                }
1579
0
                if (dict_find_string(Priv, "BlueScale", &bbs) <= 0) {
1580
0
                    *ret = 0;
1581
0
                    break;
1582
0
                }
1583
0
                if (array_get(ff->memory, bbs, index, &r) < 0) {
1584
0
                    *ret = 0;
1585
0
                    break;
1586
0
                }
1587
0
               if (r_has_type(&r, t_real))
1588
0
                   *ret = r.value.realval;
1589
0
               else if (r_has_type(&r, t_integer))
1590
0
                   *ret = (float)r.value.intval;
1591
0
            }
1592
0
            break;
1593
25.4k
    }
1594
25.4k
    return code;
1595
25.4k
}
1596
1597
static int
1598
FAPI_FF_get_name(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index,
1599
                 char *Buffer, int len)
1600
0
{
1601
0
    ref name, string;
1602
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1603
0
    int code = 0;
1604
1605
0
    switch ((int)var_id) {
1606
0
        case gs_fapi_font_feature_BlendAxisTypes:
1607
0
            {
1608
0
                ref *Info, *Axes;
1609
1610
0
                if (dict_find_string(pdr, "FontInfo", &Info) <= 0) {
1611
0
                    code = gs_note_error(gs_error_undefined);
1612
0
                    break;
1613
0
                }
1614
0
                if (dict_find_string(Info, "BlendAxisTypes", &Axes) <= 0) {
1615
0
                    code = gs_note_error(gs_error_undefined);
1616
0
                    break;
1617
0
                }
1618
0
                if (!r_has_type(Axes, t_array)) {
1619
0
                    code = gs_note_error(gs_error_undefined);
1620
0
                    break;
1621
0
                }
1622
0
                if (array_get(ff->memory, Axes, index, &name) < 0) {
1623
0
                    code = gs_note_error(gs_error_undefined);
1624
0
                    break;
1625
0
                }
1626
0
            }
1627
0
    }
1628
0
    if (code >= 0) {
1629
0
        name_string_ref(ff->memory, &name, &string);
1630
0
        if (r_size(&string) < len) {
1631
0
            memcpy(Buffer, string.value.const_bytes, r_size(&string));
1632
0
            Buffer[r_size(&string)] = 0x00;
1633
0
        }
1634
0
        else {
1635
0
            code = gs_note_error(gs_error_unknownerror);
1636
0
        }
1637
0
    }
1638
0
    return code;
1639
0
}
1640
1641
/* NOTE: we checked the type of $Blend at definefont time, so we know it is a
1642
 * procedure and don't need to check it again here
1643
 */
1644
static int
1645
FAPI_FF_get_proc(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index,
1646
                 char *Buffer)
1647
0
{
1648
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1649
0
    char *ptr = Buffer;
1650
0
    int code = 0;
1651
1652
0
    if (!Buffer)
1653
0
        return_error(gs_error_unknownerror);
1654
1655
0
    switch ((int)var_id) {
1656
0
        case gs_fapi_font_feature_DollarBlend:
1657
0
            {
1658
0
                ref *DBlend, Element, string;
1659
0
                int i;
1660
0
                char Buf[32];
1661
1662
0
                if (dict_find_string(pdr, "$Blend", &DBlend) <= 0) {
1663
0
                    code = gs_note_error(gs_error_undefined);
1664
0
                    break;
1665
0
                }
1666
0
                for (i = 0; i < r_size(DBlend); i++) {
1667
0
                    *ptr++ = 0x20;
1668
0
                    if (array_get(ff->memory, DBlend, i, &Element) < 0) {
1669
0
                        code = gs_note_error(gs_error_undefined);
1670
0
                        break;
1671
0
                    }
1672
0
                    switch (r_btype(&Element)) {
1673
0
                        case t_name:
1674
0
                            name_string_ref(ff->memory, &Element, &string);
1675
1676
0
                            strncpy(ptr, (char *)string.value.const_bytes,
1677
0
                                    r_size(&string));
1678
0
                            ptr += r_size(&string);
1679
0
                            break;
1680
0
                        case t_real:
1681
0
                            gs_snprintf(Buf, sizeof(Buf), "%f", Element.value.realval);
1682
0
                            strcpy(ptr, Buf);
1683
0
                            ptr += strlen(Buf);
1684
0
                            break;
1685
0
                        case t_integer:
1686
0
                            gs_snprintf(Buf, sizeof(Buf), "%"PRIpsint, Element.value.intval);
1687
0
                            strcpy(ptr, Buf);
1688
0
                            ptr += strlen(Buf);
1689
0
                            break;
1690
0
                        case t_operator:
1691
0
                            {
1692
0
                                op_def const *op;
1693
1694
0
                                op = op_index_def(r_size(&Element));
1695
0
                                strcpy(ptr, op->oname + 1);
1696
0
                                ptr += strlen(op->oname + 1);
1697
0
                            }
1698
0
                            break;
1699
0
                        default:
1700
0
                            break;
1701
0
                    }
1702
0
                }
1703
0
            }
1704
0
    }
1705
0
    return code < 0 ? code : (ptr - Buffer);
1706
0
}
1707
1708
static inline void
1709
decode_bytes(byte *p, const byte *s, int l, int lenIV)
1710
10.7k
{
1711
10.7k
    ushort state = 4330;
1712
1713
129k
    for (; l; s++, l--) {
1714
119k
        uchar c = (*s ^ (state >> 8));
1715
1716
119k
        state = (*s + state) * crypt_c1 + crypt_c2;
1717
119k
        if (lenIV > 0)
1718
42.8k
            lenIV--;
1719
76.2k
        else {
1720
76.2k
            *p = c;
1721
76.2k
            p++;
1722
76.2k
        }
1723
119k
    }
1724
10.7k
}
1725
1726
static int
1727
get_type1_data(gs_fapi_font *ff, const ref *type1string,
1728
               byte *buf, int buf_length)
1729
31.9k
{
1730
31.9k
    gs_font_type1 *pfont = (gs_font_type1 *) ff->client_font_data;
1731
31.9k
    int lenIV = max(pfont->data.lenIV, 0);
1732
31.9k
    int length = r_size(type1string) - (ff->need_decrypt ? lenIV : 0);
1733
1734
31.9k
    if (buf != 0) {
1735
10.7k
        int l = min(length, buf_length);        /*safety */
1736
1737
10.7k
        if (ff->need_decrypt && pfont->data.lenIV >= 0)
1738
10.7k
            decode_bytes(buf, type1string->value.const_bytes, l + lenIV,
1739
10.7k
                         lenIV);
1740
0
        else
1741
0
            memcpy(buf, type1string->value.const_bytes, l);
1742
10.7k
    }
1743
31.9k
    return length;
1744
31.9k
}
1745
1746
static int
1747
FAPI_FF_get_gsubr(gs_fapi_font *ff, int index, byte *buf, int buf_length)
1748
0
{
1749
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1750
0
    ref *Private, *GlobalSubrs, subr;
1751
1752
0
    if (dict_find_string(pdr, "Private", &Private) <= 0)
1753
0
        return 0;
1754
0
    if (dict_find_string(Private, "GlobalSubrs", &GlobalSubrs) <= 0)
1755
0
        return 0;
1756
0
    if (array_get(ff->memory,
1757
0
                  GlobalSubrs, index, &subr) < 0 || r_type(&subr) != t_string)
1758
0
        return 0;
1759
0
    return (get_type1_data(ff, &subr, buf, buf_length));
1760
0
}
1761
1762
static int
1763
FAPI_FF_get_subr(gs_fapi_font *ff, int index, byte *buf, int buf_length)
1764
31.8k
{
1765
31.8k
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1766
31.8k
    ref *Private, *Subrs, subr;
1767
1768
31.8k
    if (dict_find_string(pdr, "Private", &Private) <= 0)
1769
0
        return 0;
1770
31.8k
    if (dict_find_string(Private, "Subrs", &Subrs) <= 0)
1771
0
        return 0;
1772
31.8k
    if (array_get(ff->memory, Subrs, index, &subr) < 0
1773
31.8k
        || r_type(&subr) != t_string)
1774
0
        return 0;
1775
31.8k
    return (get_type1_data(ff, &subr, buf, buf_length));
1776
31.8k
}
1777
1778
static int
1779
FAPI_FF_get_raw_subr(gs_fapi_font *ff, int index, byte *buf,
1780
                     int buf_length)
1781
0
{
1782
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1783
0
    ref *Private, *Subrs, subr;
1784
0
    int code = 0;
1785
1786
0
    do {
1787
0
        if (dict_find_string(pdr, "Private", &Private) <= 0) {
1788
0
            code = gs_note_error(gs_error_undefined);
1789
0
            break;
1790
0
        }
1791
0
        if (dict_find_string(Private, "Subrs", &Subrs) <= 0) {
1792
0
            code = gs_note_error(gs_error_undefined);
1793
0
            break;
1794
0
        }
1795
0
        if (array_get(ff->memory, Subrs, index, &subr) < 0) {
1796
0
            code = gs_note_error(gs_error_undefined);
1797
0
            break;
1798
0
        }
1799
0
        if (r_type(&subr) != t_string) {
1800
0
            code = gs_note_error(gs_error_undefined);
1801
0
            break;
1802
0
        }
1803
0
        if (buf && buf_length && buf_length >= r_size(&subr)) {
1804
0
            memcpy(buf, subr.value.const_bytes, r_size(&subr));
1805
0
        }
1806
0
    } while(0);
1807
1808
0
    return code < 0 ? code : r_size(&subr);
1809
0
}
1810
1811
/* FAPI_FF_get_charstring_name() and FAPI_FF_get_charstring()
1812
 *
1813
 * Generally we'd want to use the dictionary content
1814
 * enumeration API rather than dict_index_entry(), but
1815
 * the FAPI interface doesn't enforce sequential accessing
1816
 * of the indices.
1817
 * Setting up enumeration and enumerating through the entries
1818
 * until we reach the requested valid index is a performance
1819
 * hit we don't want to pay.
1820
 *
1821
 * Luckily, the checks we need for invalid CharString contents
1822
 * also handle empty "slots" in the dictionary.
1823
 */
1824
1825
static int
1826
FAPI_FF_get_charstring_name(gs_fapi_font *ff, int index, byte *buf,
1827
                            ushort buf_length)
1828
0
{
1829
0
    int code = 0;
1830
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1831
0
    ref *CharStrings, eltp[2], string;
1832
1833
0
    do {
1834
0
        if (dict_find_string(pdr, "CharStrings", &CharStrings) <= 0) {
1835
0
            code = gs_note_error(gs_error_undefined);
1836
0
            break;
1837
0
        }
1838
0
        if (dict_index_entry(CharStrings, index, eltp) < 0) {
1839
0
            code = gs_note_error(gs_error_undefined);
1840
0
            break;
1841
0
        }
1842
0
        if (r_type(&eltp[0]) != t_name) {
1843
0
            code = gs_note_error(gs_error_undefined);
1844
0
            break;
1845
0
        }
1846
0
        name_string_ref(ff->memory, &eltp[0], &string);
1847
0
        if (r_size(&string) <= buf_length) {
1848
0
            memcpy(buf, string.value.const_bytes, r_size(&string));
1849
0
            buf[r_size(&string)] = 0x00;
1850
0
        }
1851
0
    } while(0);
1852
0
    return code < 0 ? code : r_size(&string);
1853
0
}
1854
1855
static int
1856
FAPI_FF_get_charstring(gs_fapi_font *ff, int index, byte *buf,
1857
                       ushort buf_length)
1858
0
{
1859
0
    int code = 0;
1860
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1861
0
    ref *CharStrings, eltp[2];
1862
1863
0
    do {
1864
0
        if (dict_find_string(pdr, "CharStrings", &CharStrings) <= 0) {
1865
0
            code = gs_note_error(gs_error_undefined);
1866
0
            break;
1867
0
        }
1868
0
        if (dict_index_entry(CharStrings, index, eltp) < 0) {
1869
0
            code = gs_note_error(gs_error_undefined);
1870
0
            break;
1871
0
        }
1872
0
        if (r_type(&eltp[1]) != t_string) {
1873
0
            code = gs_note_error(gs_error_typecheck);
1874
0
            break;
1875
0
        }
1876
0
        if (buf && buf_length && buf_length >= r_size(&eltp[1])) {
1877
0
            memcpy(buf, eltp[1].value.const_bytes, r_size(&eltp[1]));
1878
0
        }
1879
0
    } while(0);
1880
1881
0
    return code < 0 ? code : r_size(&eltp[1]);
1882
0
}
1883
1884
static int
1885
sfnt_get_sfnt_length(ref *pdr, ulong *len)
1886
0
{
1887
0
    int code = 0;
1888
0
    ref *sfnts, sfnt_elem;
1889
0
    const gs_memory_t *mem = dict_mem(pdr->value.pdict);
1890
1891
0
    *len = 0;
1892
0
    if (r_type(pdr) != t_dictionary ||
1893
0
        dict_find_string(pdr, "sfnts", &sfnts) <= 0) {
1894
0
        code = gs_error_invalidfont;
1895
0
    }
1896
0
    else {
1897
0
        if (r_type(sfnts) != t_array && r_type(sfnts) != t_string) {
1898
0
            code = gs_error_invalidfont;
1899
0
        }
1900
0
        else {
1901
0
            if (r_type(sfnts) == t_string) {
1902
0
                *len = r_size(sfnts);
1903
0
            }
1904
0
            else {
1905
0
                int i;
1906
0
                for (i = 0; i < r_size(sfnts); i++) {
1907
0
                    code = array_get(mem, sfnts, i, &sfnt_elem);
1908
0
                    if (code < 0) break;
1909
0
                    *len += r_size(&sfnt_elem);
1910
0
                }
1911
0
            }
1912
0
        }
1913
0
    }
1914
0
    return code;
1915
0
}
1916
1917
static int
1918
sfnt_get_glyph_offset(ref *pdr, gs_font_type42 *pfont42, int index,
1919
                      ulong *offset0)
1920
0
{                               /* Note : TTC is not supported and probably is unuseful for Type 42. */
1921
0
    sfnts_reader r;
1922
0
    int glyf_elem_size = (pfont42->data.indexToLocFormat) ? 4 : 2;
1923
0
    ulong fullsize;
1924
1925
0
    if (index < pfont42->data.trueNumGlyphs) {
1926
0
        sfnts_reader_init(pfont42->memory, &r, pdr);
1927
0
        r.seek(&r, pfont42->data.loca + index * (ulong)glyf_elem_size);
1928
0
        *offset0 =
1929
0
            pfont42->data.glyf + (glyf_elem_size ==
1930
0
                              2 ? r.rword(&r) * 2 : r.rlong(&r));
1931
0
        r.error = sfnt_get_sfnt_length(pdr, &fullsize);
1932
0
        if (r.error < 0 || *offset0 > fullsize) {
1933
0
            r.error = gs_note_error(gs_error_invalidaccess);
1934
0
        }
1935
0
    }
1936
0
    else {
1937
0
        r.error = gs_note_error(gs_error_rangecheck);
1938
0
    }
1939
0
    return (r.error);
1940
0
}
1941
1942
static int
1943
ps_get_GlyphDirectory_data_ptr(gs_fapi_font *ff, int char_code,
1944
                               const byte **ptr)
1945
0
{
1946
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1947
0
    ref *GlyphDirectory, glyph0, *glyph = &glyph0, glyph_index;
1948
1949
0
    if (dict_find_string(pdr, "GlyphDirectory", &GlyphDirectory) > 0) {
1950
0
        if (((r_type(GlyphDirectory) == t_dictionary &&
1951
0
              (make_int(&glyph_index, char_code),
1952
0
               dict_find(GlyphDirectory, &glyph_index, &glyph) > 0)) ||
1953
0
             (r_type(GlyphDirectory) == t_array &&
1954
0
              array_get(ff->memory, GlyphDirectory, char_code, &glyph0) >= 0)
1955
0
            )
1956
0
            && r_type(glyph) == t_string) {
1957
0
            *ptr = glyph->value.const_bytes;
1958
0
            return (r_size(glyph));
1959
0
        }
1960
0
        else
1961
            /* We have a GlyphDirectory, but couldn't find the glyph. If we
1962
             * return -1 then we will attempt to use glyf and loca which
1963
             * will fail. Instead return 0, so we execute an 'empty' glyph.
1964
             */
1965
0
            return 0;
1966
0
    }
1967
0
    return -1;
1968
0
}
1969
1970
static int
1971
get_charstring(gs_fapi_font *ff, int char_code, ref **proc, ref *char_name)
1972
0
{
1973
0
    ref *CharStrings;
1974
0
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1975
1976
0
    if (ff->is_type1) {
1977
0
        if (ff->is_cid)
1978
0
            return -1;
1979
0
        if (dict_find_string(pdr, "CharStrings", &CharStrings) <= 0)
1980
0
            return -1;
1981
1982
0
        if (ff->char_data != NULL) {
1983
            /*
1984
             * Can't use char_code in this case because hooked Type 1 fonts
1985
             * with 'glyphshow' may render a character which has no
1986
             * Encoding entry.
1987
             */
1988
0
            if (name_ref
1989
0
                (ff->memory, ff->char_data, ff->char_data_len, char_name,
1990
0
                 -1) < 0)
1991
0
                return -1;
1992
0
        }
1993
0
        else {                  /* seac */
1994
0
            i_ctx_t *i_ctx_p = (i_ctx_t *) ff->client_ctx_p;
1995
0
            ref *StandardEncoding;
1996
1997
0
            if (dict_find_string
1998
0
                (systemdict, "StandardEncoding", &StandardEncoding) <= 0
1999
0
                || array_get(ff->memory, StandardEncoding, char_code,
2000
0
                             char_name) < 0) {
2001
0
                if (name_ref
2002
0
                    (ff->memory, (const byte *)".notdef", 7, char_name,
2003
0
                     -1) < 0)
2004
0
                    return -1;
2005
0
            }
2006
0
        }
2007
0
        if (dict_find(CharStrings, char_name, (ref **) proc) <= 0)
2008
0
            return -1;
2009
0
    }
2010
0
    return 0;
2011
0
}
2012
2013
static int
2014
FAPI_FF_get_glyph(gs_fapi_font *ff, gs_glyph char_code, byte *buf, int buf_length)
2015
122
{
2016
    /*
2017
     * We assume that renderer requests glyph data with multiple
2018
     * consecutive calls to this function.
2019
     *
2020
     * For a simple glyph it calls this function exactly twice: first
2021
     * with buf == NULL for requesting the necessary buffer length, and
2022
     * second with buf != NULL for requesting the data (the second call
2023
     * may be skipped if the renderer discontinues the rendering).
2024
     *
2025
     * For a composite glyph it calls this function 2 * (N + 1)
2026
     * times: 2 calls for the main glyph (same as above) followed with
2027
     * 2 * N calls for subglyphs, where N is less or equal to the number
2028
     * of subglyphs (N may be less if the renderer caches glyph data,
2029
     * or discontinues rendering on an exception).
2030
     */
2031
122
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
2032
2033
122
    int glyph_length;
2034
122
    i_ctx_t *i_ctx_p = (i_ctx_t *) ff->client_ctx_p;
2035
2036
122
    if (ff->is_type1) {
2037
122
        if (ff->is_cid) {
2038
0
            const gs_string *char_str = (const gs_string *)ff->char_data;
2039
0
            ref glyph;
2040
2041
0
            make_string(&glyph, avm_foreign | a_readonly, char_str->size,
2042
0
                        char_str->data);
2043
2044
0
            glyph_length = get_type1_data(ff, &glyph, buf, buf_length);
2045
0
        }
2046
122
        else {
2047
122
            ref *CharStrings, *CFFCharStrings, char_name, *glyph;
2048
2049
122
            if (ff->char_data != NULL) {
2050
                /*
2051
                 * Can't use char_code in this case because hooked Type 1 fonts
2052
                 * with 'glyphshow' may render a character which has no
2053
                 * Encoding entry.
2054
                 */
2055
122
                if (name_ref(ff->memory, ff->char_data,
2056
122
                             ff->char_data_len, &char_name, -1) < 0)
2057
0
                    return gs_fapi_glyph_invalid_format;
2058
122
                if (buf != NULL) {
2059
                    /*
2060
                     * Trigger the next call to the 'seac' case below.
2061
                     * Here we use the assumption about call sequence
2062
                     * being documented above.
2063
                     */
2064
91
                    ff->char_data = NULL;
2065
91
                }
2066
122
            }
2067
0
            else {              /* seac */
2068
0
                ref *StandardEncoding;
2069
2070
0
                if (dict_find_string
2071
0
                    (systemdict, "StandardEncoding", &StandardEncoding) <= 0
2072
0
                    || array_get(ff->memory, StandardEncoding, char_code,
2073
0
                                 &char_name) < 0)
2074
0
                    if (name_ref
2075
0
                        (ff->memory, (const byte *)".notdef", 7, &char_name, -1) < 0)
2076
0
                        return gs_fapi_glyph_invalid_format;
2077
0
            }
2078
122
            if (dict_find_string(pdr, "CharStrings", &CharStrings) <= 0)
2079
0
                return gs_fapi_glyph_invalid_format;
2080
2081
122
            if (dict_find(CharStrings, &char_name, &glyph) <= 0) {
2082
0
                if (name_ref
2083
0
                    (ff->memory, (const byte *)".notdef", 7, &char_name, -1) < 0) {
2084
0
                    return gs_fapi_glyph_invalid_format;
2085
0
                }
2086
0
                if (dict_find(CharStrings, &char_name, &glyph) <= 0) {
2087
0
                    return gs_fapi_glyph_invalid_format;
2088
0
                }
2089
0
            }
2090
122
            if (r_has_type(glyph, t_array) || r_has_type(glyph, t_mixedarray))
2091
0
                return gs_fapi_glyph_invalid_format;
2092
2093
122
            if (r_has_type(glyph, t_integer)
2094
122
                && dict_find_string(pdr, "CFFCharStrings", &CFFCharStrings) > 0) {
2095
0
                ref *g2;
2096
0
                if (dict_find(CFFCharStrings, glyph, &g2) <= 0) {
2097
0
                    ref nd;
2098
0
                    make_int(&nd, 0);
2099
0
                    if (dict_find(CFFCharStrings, &nd, &g2) <= 0) {
2100
0
                        return gs_fapi_glyph_invalid_format;
2101
0
                    }
2102
0
                }
2103
0
                glyph = g2;
2104
0
            }
2105
2106
122
            if (!r_has_type(glyph, t_string))
2107
0
                return 0;
2108
122
            glyph_length = get_type1_data(ff, glyph, buf, buf_length);
2109
122
        }
2110
122
    }
2111
0
    else {                      /* type 42 */
2112
0
        const byte *data_ptr;
2113
0
        int l = ff->get_glyphdirectory_data(ff, char_code, &data_ptr);
2114
0
        ref *render_notdef_ref;
2115
0
        bool render_notdef = true;
2116
2117
0
        if (dict_find_string(pdr, ".render_notdef", &render_notdef_ref) > 0
2118
0
            && r_has_type(render_notdef_ref, t_boolean)) {
2119
0
            render_notdef = render_notdef_ref->value.boolval;
2120
0
        }
2121
0
        else {
2122
0
            render_notdef = i_ctx_p->RenderTTNotdef;
2123
0
        }
2124
2125
        /* We should only render the TT notdef if we've been told to - logic lifted from zchar42.c */
2126
0
        if (!render_notdef
2127
0
            &&
2128
0
            ((ff->char_data_len == 7
2129
0
              && strncmp((const char *)ff->char_data, ".notdef", 7) == 0)
2130
0
             || (ff->char_data_len > 9
2131
0
                 && strncmp((const char *)ff->char_data, ".notdef~GS",
2132
0
                            10) == 0))) {
2133
0
            glyph_length = 0;
2134
0
        }
2135
0
        else {
2136
0
            if (l >= 0) {
2137
0
                int MetricsCount = gs_fapi_get_metrics_count(ff), mc =
2138
0
                    MetricsCount << 1;
2139
2140
0
                glyph_length = max((ushort) (l - mc), 0);       /* safety */
2141
0
                if (buf != 0 && glyph_length > 0)
2142
0
                    memcpy(buf, data_ptr + mc,
2143
0
                           min(glyph_length, buf_length) /* safety */ );
2144
0
            }
2145
0
            else {
2146
0
                gs_font_type42 *pfont42 = (gs_font_type42 *) ff->client_font_data;
2147
0
                ulong offset0, length_read;
2148
0
                int error = sfnt_get_glyph_offset(pdr, pfont42, char_code, &offset0);
2149
2150
0
                if (error < 0) {
2151
0
                    glyph_length = gs_fapi_glyph_invalid_index;
2152
0
                }
2153
0
                else if (pfont42->data.len_glyphs) {
2154
0
                    if (char_code <= pfont42->data.numGlyphs)
2155
0
                        glyph_length = pfont42->data.len_glyphs[char_code];
2156
0
                    else
2157
0
                        glyph_length = gs_fapi_glyph_invalid_index;
2158
0
                }
2159
0
                else {
2160
0
                    ulong noffs, endoffs;
2161
                    /* If we haven't got a len_glyphs array, try using the offset of the next glyph offset
2162
                     * to work out the length
2163
                     */
2164
0
                    error = sfnt_get_glyph_offset(pdr, pfont42, char_code + 1, &noffs);
2165
0
                    if (error == 0) {
2166
0
                        glyph_length = noffs - offset0;
2167
0
                        error = sfnt_get_sfnt_length(pdr, &endoffs);
2168
0
                        if (error < 0) {
2169
0
                            glyph_length = gs_fapi_glyph_invalid_index;
2170
0
                        }
2171
0
                        else {
2172
0
                            if (glyph_length + offset0 > endoffs) {
2173
0
                                glyph_length = gs_fapi_glyph_invalid_index;
2174
0
                            }
2175
0
                        }
2176
0
                    }
2177
0
                    else {
2178
                        /* And if we can't get the next glyph offset, use the end of the sfnt data
2179
                         * to work out the length.
2180
                         */
2181
0
                        error = sfnt_get_sfnt_length(pdr, &noffs);
2182
0
                        if (error < 0) {
2183
0
                            glyph_length = gs_fapi_glyph_invalid_index;
2184
0
                        }
2185
0
                        else {
2186
0
                            glyph_length = noffs - offset0;
2187
0
                        }
2188
0
                    }
2189
0
                }
2190
2191
0
                if (buf != 0 && !error) {
2192
0
                    sfnts_reader r;
2193
2194
0
                    sfnts_reader_init(pfont42->memory, &r, pdr);
2195
2196
0
                    r.seek(&r, offset0);
2197
0
                    length_read =
2198
0
                        r.rstring(&r, buf,
2199
0
                                  min(glyph_length,
2200
0
                                      buf_length) /* safety */ );
2201
0
                    if (r.error == 1) {
2202
0
                        glyph_length = gs_fapi_glyph_invalid_index;
2203
0
                    }
2204
                    /* r.error == 2 means a rangecheck, and probably means that the
2205
                     * font is broken, and the final glyph length is longer than the data available for it.
2206
                     * In which case we need to return the number of bytes read.
2207
                     */
2208
0
                    if (r.error == 2) {
2209
0
                        glyph_length = length_read;
2210
0
                    }
2211
0
                }
2212
0
            }
2213
0
        }
2214
0
    }
2215
122
    return glyph_length;
2216
122
}
2217
2218
static int
2219
ps_fapi_get_metrics(gs_fapi_font *ff, gs_string *char_name, gs_glyph cid, double *m, bool vertical)
2220
90
{
2221
90
    ref glyph;
2222
90
    int code;
2223
90
    gs_font_base *pbfont = ((gs_font_base *) ff->client_font_data2);
2224
2225
90
    if (char_name->data != NULL) {
2226
90
        make_string(&glyph, avm_foreign | a_readonly, char_name->size, char_name->data);
2227
90
    }
2228
0
    else {
2229
0
        make_int(&glyph, cid);
2230
0
    }
2231
2232
90
    if (vertical) {
2233
0
        code = zchar_get_metrics2(pbfont, &glyph, m);
2234
0
    }
2235
90
    else {
2236
90
        code = zchar_get_metrics(pbfont, &glyph, m);
2237
90
    }
2238
2239
90
    make_null(&glyph);
2240
2241
90
    return (code);
2242
90
}
2243
2244
2245
/* forward declaration for the ps_ff_stub assignment */
2246
static int ps_get_glyphname_or_cid(gs_text_enum_t *penum,
2247
                                   gs_font_base *pbfont,
2248
                                   gs_string *charstring, gs_string *name,
2249
                                   gs_glyph ccode, gs_string *enc_char_name,
2250
                                   char *font_file_path,
2251
                                   gs_fapi_char_ref *cr, bool bCID);
2252
2253
static int ps_fapi_set_cache(gs_text_enum_t *penum,
2254
                             const gs_font_base *pbfont,
2255
                             const gs_string *char_name, gs_glyph cid,
2256
                             const double pwidth[2], const gs_rect *pbbox,
2257
                             const double Metrics2_sbw_default[4],
2258
                             bool *imagenow);
2259
2260
static const gs_fapi_font ps_ff_stub = {
2261
    0,                          /* server_font_data */
2262
    0,                          /* need_decrypt */
2263
    NULL,                       /* const gs_memory_t */
2264
    0,                          /* font_file_path */
2265
    0,                          /* full_font_buf */
2266
    0,                          /* full_font_buf_len */
2267
    0,                          /* subfont */
2268
    false,                      /* is_type1 */
2269
    false,                      /* is_cid */
2270
    false,                      /* is_outline_font */
2271
    false,                      /* is_mtx_skipped */
2272
    false,                      /* is_vertical */
2273
    false,                      /* metrics_only */
2274
    {{-1, -1}},                 /* ttf_cmap_req */
2275
    {-1, -1},                   /* ttf_cmap_selected */
2276
    0,                          /* client_ctx_p */
2277
    0,                          /* client_font_data */
2278
    0,                          /* client_font_data2 */
2279
    0,                          /* char_data */
2280
    0,                          /* char_data_len */
2281
    0,                          /* embolden */
2282
    FAPI_FF_get_word,
2283
    FAPI_FF_get_long,
2284
    FAPI_FF_get_float,
2285
    FAPI_FF_get_name,
2286
    FAPI_FF_get_proc,
2287
    FAPI_FF_get_gsubr,
2288
    FAPI_FF_get_subr,
2289
    FAPI_FF_get_raw_subr,
2290
    FAPI_FF_get_glyph,
2291
    FAPI_FF_serialize_tt_font,
2292
    NULL,                       /* retrieve_tt_font */
2293
    FAPI_FF_get_charstring,
2294
    FAPI_FF_get_charstring_name,
2295
    ps_get_GlyphDirectory_data_ptr,
2296
    ps_get_glyphname_or_cid,
2297
    ps_fapi_get_metrics,
2298
    ps_fapi_set_cache
2299
};
2300
2301
static int
2302
FAPI_get_xlatmap(i_ctx_t *i_ctx_p, char **xlatmap)
2303
550
{
2304
550
    ref *pref;
2305
550
    int code;
2306
2307
550
    if ((code = dict_find_string(systemdict, ".xlatmap", &pref)) < 0)
2308
0
        return code;
2309
550
    if (code == 0)
2310
0
        return_error(gs_error_undefined);
2311
2312
550
    if (r_type(pref) != t_string)
2313
0
        return_error(gs_error_typecheck);
2314
550
    *xlatmap = (char *)pref->value.bytes;
2315
    /*  Note : this supposes that xlatmap doesn't move in virtual memory.
2316
       Garbager must not be called while plugin executes get_scaled_font, get_decodingID.
2317
       Fix some day with making copy of xlatmap in system memory.
2318
     */
2319
550
    return 0;
2320
550
}
2321
2322
static int
2323
renderer_retcode(gs_memory_t *mem, gs_fapi_server *I, gs_fapi_retcode rc)
2324
0
{
2325
0
    if (rc == 0)
2326
0
        return 0;
2327
0
    emprintf2(mem,
2328
0
              "Error: Font Renderer Plugin ( %s ) return code = %d\n",
2329
0
              I->ig.d->subtype, rc);
2330
0
    return rc < 0 ? rc : gs_error_invalidfont;
2331
0
}
2332
2333
/* <server name>/<null> object .FAPIavailable bool */
2334
static int
2335
zFAPIavailable(i_ctx_t *i_ctx_p)
2336
19.5k
{
2337
19.5k
    os_ptr op = osp;
2338
19.5k
    char *serv_name = NULL;
2339
19.5k
    ref name_ref;
2340
2341
19.5k
    check_op(1);
2342
19.5k
    if (r_has_type(op, t_name)) {
2343
9.78k
        name_string_ref(imemory, op, &name_ref);
2344
2345
9.78k
        serv_name =
2346
9.78k
            (char *) ref_to_string(&name_ref, imemory, "zFAPIavailable");
2347
9.78k
        if (!serv_name) {
2348
0
            return_error(gs_error_VMerror);
2349
0
        }
2350
9.78k
    }
2351
2352
19.5k
    make_bool(op, gs_fapi_available(imemory, serv_name));
2353
2354
19.5k
    if (serv_name) {
2355
9.78k
        gs_free_string(imemory, (byte *) serv_name,
2356
9.78k
                       strlen((char *)serv_name) + 1, "zFAPIavailable");
2357
9.78k
    }
2358
19.5k
    return (0);
2359
19.5k
}
2360
2361
static int
2362
ps_get_server_param(gs_fapi_server *I, const char *subtype, char **server_param, int *server_param_size)
2363
2364
2.12k
{
2365
2.12k
    ref *FAPIconfig, *options, *server_options;
2366
2.12k
    i_ctx_t *i_ctx_p = (i_ctx_t *) I->client_ctx_p;
2367
2368
2.12k
    if (dict_find_string(systemdict, ".FAPIconfig", &FAPIconfig) > 0
2369
2.12k
        && r_has_type(FAPIconfig, t_dictionary)) {
2370
2.12k
        if (dict_find_string(FAPIconfig, "ServerOptions", &options) > 0
2371
2.12k
            && r_has_type(options, t_dictionary)) {
2372
2.12k
            if (dict_find_string(options, (char *)subtype, &server_options) >
2373
2.12k
                0 && r_has_type(server_options, t_string)) {
2374
0
                *server_param = (char *) server_options->value.const_bytes;
2375
0
                *server_param_size = r_size(server_options);
2376
0
            }
2377
2.12k
        }
2378
2.12k
    }
2379
2.12k
    return 1;
2380
2.12k
}
2381
2382
static int
2383
FAPI_refine_font(i_ctx_t *i_ctx_p, os_ptr op, gs_font *pfont,
2384
                 int subfont, const char *font_file_path)
2385
2.12k
{
2386
2.12k
    ref *pdr = op;              /* font dict */
2387
2.12k
    const char *decodingID = NULL;
2388
2.12k
    char *xlatmap = NULL;
2389
2.12k
    gs_font_base *pbfont = (gs_font_base *)pfont;
2390
2.12k
    gs_fapi_server *I = pbfont->FAPI;
2391
2.12k
    ref *Decoding_old;
2392
2.12k
    int code;
2393
2394
2.12k
    if (font_file_path != NULL && pbfont->FAPI_font_data == NULL)
2395
0
        if ((code = FAPI_get_xlatmap(i_ctx_p, &xlatmap)) < 0)
2396
0
            return code;
2397
2398
2.12k
    gs_fapi_set_servers_client_data(imemory, NULL, i_ctx_p);
2399
2400
2.12k
    code =
2401
2.12k
        gs_fapi_prepare_font(pfont, I, subfont, font_file_path,
2402
2.12k
                             NULL, xlatmap, &decodingID);
2403
2.12k
    if (code < 0)
2404
0
        return code;
2405
2406
2.12k
    if (code > 0) {
2407
        /* save refined FontBBox back to PS world */
2408
0
        ref *v, mat[4], arr;
2409
0
        int attrs;
2410
2411
0
        if (dict_find_string(op, "FontBBox", &v) > 0) {
2412
0
            if (!r_has_type(v, t_array) && !r_has_type(v, t_shortarray)
2413
0
                && !r_has_type(v, t_mixedarray))
2414
0
                return_error(gs_error_invalidfont);
2415
0
            make_real(&mat[0], pbfont->FontBBox.p.x);
2416
0
            make_real(&mat[1], pbfont->FontBBox.p.y);
2417
0
            make_real(&mat[2], pbfont->FontBBox.q.x);
2418
0
            make_real(&mat[3], pbfont->FontBBox.q.y);
2419
0
            if (r_has_type(v, t_shortarray) || r_has_type(v, t_mixedarray)
2420
0
                || r_size(v) < 4) {
2421
                /* Create a new full blown array in case the values are reals */
2422
0
                code = ialloc_ref_array(&arr, a_all, 4, "array");
2423
0
                if (code < 0)
2424
0
                    return code;
2425
0
                v = &arr;
2426
0
                code = idict_put_string(op, "FontBBox", &arr);
2427
0
                if (code < 0)
2428
0
                    return code;
2429
0
                ref_assign_new(v->value.refs + 0, &mat[0]);
2430
0
                ref_assign_new(v->value.refs + 1, &mat[1]);
2431
0
                ref_assign_new(v->value.refs + 2, &mat[2]);
2432
0
                ref_assign_new(v->value.refs + 3, &mat[3]);
2433
0
            }
2434
0
            else {
2435
0
                ref_assign_old(v, v->value.refs + 0, &mat[0],
2436
0
                               "FAPI_refine_font_BBox");
2437
0
                ref_assign_old(v, v->value.refs + 1, &mat[1],
2438
0
                               "FAPI_refine_font_BBox");
2439
0
                ref_assign_old(v, v->value.refs + 2, &mat[2],
2440
0
                               "FAPI_refine_font_BBox");
2441
0
                ref_assign_old(v, v->value.refs + 3, &mat[3],
2442
0
                               "FAPI_refine_font_BBox");
2443
0
            }
2444
0
            attrs = v->tas.type_attrs;
2445
0
            r_clear_attrs(v, a_all);
2446
0
            r_set_attrs(v, attrs | a_execute);
2447
0
        }
2448
0
    }
2449
2450
    /* Assign a Decoding : */
2451
2.12k
    if (decodingID != 0 && *decodingID
2452
2.12k
        && dict_find_string(pdr, "Decoding", &Decoding_old) <= 0) {
2453
0
        ref Decoding;
2454
2455
0
        if (FAPI_ISCIDFONT(pbfont)) {
2456
0
            ref *CIDSystemInfo, *Ordering, SubstNWP;
2457
0
            byte buf[30];
2458
0
            int ordering_length, decodingID_length =
2459
0
                min(strlen(decodingID), sizeof(buf) - 2);
2460
2461
0
            if (dict_find_string(pdr, "CIDSystemInfo", &CIDSystemInfo) <= 0
2462
0
                || !r_has_type(CIDSystemInfo, t_dictionary))
2463
0
                return_error(gs_error_invalidfont);
2464
2465
0
            if (dict_find_string(CIDSystemInfo, "Ordering", &Ordering) <= 0
2466
0
                || !r_has_type(Ordering, t_string)) {
2467
0
                return_error(gs_error_invalidfont);
2468
0
            }
2469
2470
0
            ordering_length =
2471
0
                min(r_size(Ordering), sizeof(buf) - 2 - decodingID_length);
2472
0
            memcpy(buf, Ordering->value.const_bytes, ordering_length);
2473
0
            if ((code =
2474
0
                 name_ref(imemory, buf, ordering_length, &SubstNWP, 0)) < 0)
2475
0
                return code;
2476
0
            if ((code =
2477
0
                 dict_put_string(pdr, "SubstNWP", &SubstNWP, NULL)) < 0)
2478
0
                return code;
2479
0
            buf[ordering_length] = '.';
2480
0
            memcpy(buf + ordering_length + 1, decodingID, decodingID_length);
2481
0
            buf[decodingID_length + 1 + ordering_length] = 0;   /* Debug purpose only */
2482
0
            if ((code = name_ref(imemory, buf,
2483
0
                                 decodingID_length + 1 + ordering_length,
2484
0
                                 &Decoding, 0)) < 0)
2485
0
                return code;
2486
0
        }
2487
0
        else if ((code = name_ref(imemory, (const byte *)decodingID,
2488
0
                                  strlen(decodingID), &Decoding, 0)) < 0)
2489
0
            return code;
2490
0
        if ((code = dict_put_string(pdr, "Decoding", &Decoding, NULL)) < 0)
2491
0
            return code;
2492
0
    }
2493
2.12k
    return 0;
2494
2.12k
}
2495
2496
/*  <string|name> <font> <is_disk_font> .rebuildfontFAPI <string|name> <font> */
2497
/*  Rebuild a font for handling it with an external renderer.
2498
2499
    The font was built as a native GS font to allow easy access
2500
    to font features. Then zFAPIrebuildfont sets FAPI entry
2501
    into gx_font_base and replaces BuildGlyph and BuildChar
2502
    to enforce the FAPI handling.
2503
2504
    This operator must not be called with devices which embed fonts.
2505
2506
*/
2507
static int
2508
zFAPIrebuildfont(i_ctx_t *i_ctx_p)
2509
2.13k
{
2510
2.13k
    os_ptr op = osp;
2511
2.13k
    build_proc_refs build;
2512
2.13k
    gs_font *pfont;
2513
2.13k
    int code;
2514
2.13k
    gs_font_base *pbfont;
2515
2.13k
    ref *v;
2516
2.13k
    char *font_file_path = NULL;
2517
2.13k
    char FAPI_ID[20];
2518
2.13k
    const byte *pchars;
2519
2.13k
    uint len;
2520
2.13k
    font_data *pdata;
2521
2.13k
    gs_fapi_server *I;
2522
2.13k
    bool has_buildglyph;
2523
2.13k
    bool has_buildchar;
2524
2.13k
    int subfont;
2525
2526
2.13k
    check_op(3);
2527
2.12k
    code = font_param(op - 1, &pfont);
2528
2.12k
    if (code < 0)
2529
0
        return code;
2530
2531
2.12k
    pbfont = (gs_font_base *) pfont;
2532
2533
2.12k
    check_type(*op, t_boolean);
2534
    /* If someone has copied the font dictionary, we may still
2535
     * have the FAPI entry in the dict, but not have the FAPI
2536
     * server assigned in the font object.
2537
     */
2538
2.12k
    if (pbfont->FAPI == NULL) {
2539
1.57k
        if (dict_find_string(op - 1, "FAPI", &v) <= 0
2540
1.57k
            || !r_has_type(v, t_name))
2541
0
            return_error(gs_error_invalidfont);
2542
1.57k
        obj_string_data(imemory, v, &pchars, &len);
2543
1.57k
        len = min(len, sizeof(FAPI_ID) - 1);
2544
1.57k
        strncpy((char *)FAPI_ID, (const char *)pchars, len);
2545
1.57k
        FAPI_ID[len] = 0;
2546
2547
1.57k
        gs_fapi_set_servers_client_data(imemory, &ps_ff_stub, i_ctx_p);
2548
2549
1.57k
        code =
2550
1.57k
            gs_fapi_find_server(imemory, FAPI_ID,
2551
1.57k
                                (gs_fapi_server **) & (pbfont->FAPI), ps_get_server_param);
2552
1.57k
        if (!pbfont->FAPI || code < 0) {
2553
0
            return_error(gs_error_invalidfont);
2554
0
        }
2555
1.57k
    }
2556
2557
2.12k
    pdata = (font_data *) pfont->client_data;
2558
2.12k
    I = pbfont->FAPI;
2559
2560
2.12k
    if (dict_find_string((op - 1), "SubfontId", &v) > 0
2561
2.12k
        && r_has_type(v, t_integer))
2562
0
        subfont = v->value.intval;
2563
2.12k
    else
2564
2.12k
        subfont = 0;
2565
2566
2567
2.12k
    if (r_type(&(pdata->BuildGlyph)) != t_null) {
2568
2.12k
        has_buildglyph = true;
2569
2.12k
    }
2570
0
    else {
2571
0
        has_buildglyph = false;
2572
0
    }
2573
2574
2.12k
    if (r_type(&(pdata->BuildChar)) != t_null) {
2575
2.12k
        has_buildchar = true;
2576
2.12k
    }
2577
0
    else {
2578
0
        has_buildchar = false;
2579
0
    }
2580
2581
    /* This shouldn't happen, but just in case */
2582
2.12k
    if (has_buildglyph == false && has_buildchar == false) {
2583
0
        has_buildglyph = true;
2584
0
    }
2585
2586
2.12k
    if (dict_find_string(op - 1, "Path", &v) <= 0 || !r_has_type(v, t_string)) {
2587
2.12k
        v = NULL;
2588
2.12k
    }
2589
2590
2.12k
    if (pfont->FontType == ft_CID_encrypted && v == NULL) {
2591
0
        if ((code = build_proc_name_refs(imemory, &build, ".FAPIBuildGlyph9",
2592
0
                                         ".FAPIBuildGlyph9")) < 0) {
2593
0
            return code;
2594
0
        }
2595
0
    }
2596
2.12k
    else {
2597
2.12k
        if ((code = build_proc_name_refs(imemory, &build, ".FAPIBuildChar",
2598
2.12k
                                         ".FAPIBuildGlyph")) < 0) {
2599
0
            return code;
2600
0
        }
2601
2.12k
    }
2602
2603
2.12k
    if (!
2604
2.12k
        ((r_type(&(pdata->BuildChar)) != t_null
2605
2.12k
          && pdata->BuildChar.value.pname && build.BuildChar.value.pname
2606
2.12k
          && name_index(imemory, &pdata->BuildChar) == name_index(imemory,
2607
2.12k
                                                                  &build.
2608
2.12k
                                                                  BuildChar))
2609
2.12k
         || (r_type(&(pdata->BuildGlyph)) != t_null
2610
2.12k
             && pdata->BuildGlyph.value.pname && build.BuildGlyph.value.pname
2611
2.12k
             && name_index(imemory, &pdata->BuildGlyph) == name_index(imemory,
2612
2.12k
                                                                      &build.
2613
2.12k
                                                                      BuildGlyph))))
2614
2.12k
    {
2615
2616
2.12k
        if (has_buildchar == true) {
2617
2.12k
            ref_assign_new(&pdata->BuildChar, &build.BuildChar);
2618
2.12k
        }
2619
0
        else {
2620
0
            make_null(&pdata->BuildChar);
2621
0
        }
2622
2623
2.12k
        if (has_buildglyph == true) {
2624
2.12k
            ref_assign_new(&pdata->BuildGlyph, &build.BuildGlyph);
2625
2.12k
        }
2626
0
        else {
2627
0
            make_null(&pdata->BuildGlyph);
2628
0
        }
2629
2.12k
        if (v != NULL) {
2630
0
            font_file_path =
2631
0
                ref_to_string(v, imemory_global, "font file path");
2632
0
        }
2633
2634
2.12k
        code =
2635
2.12k
            FAPI_refine_font(i_ctx_p, op - 1, pfont, subfont,
2636
2.12k
                             font_file_path);
2637
2638
2.12k
        memcpy(&I->initial_FontMatrix, &pbfont->FontMatrix,
2639
2.12k
               sizeof(gs_matrix));
2640
2641
2.12k
        if (font_file_path != NULL) {
2642
0
            gs_free_string(imemory_global, (byte *) font_file_path,
2643
0
                           r_size(v) + 1, "font file path");
2644
0
        }
2645
2.12k
    }
2646
2.12k
    pop(1);
2647
2.12k
    return code;
2648
2.12k
}
2649
2650
static ulong
2651
array_find(const gs_memory_t *mem, ref *Encoding, ref *char_name)
2652
0
{
2653
0
    ulong n = r_size(Encoding), i;
2654
0
    ref v;
2655
2656
0
    for (i = 0; i < n; i++)
2657
0
        if (array_get(mem, Encoding, i, &v) < 0)
2658
0
            break;
2659
0
        else if (r_type(char_name) == r_type(&v)
2660
0
                 && char_name->value.const_pname == v.value.const_pname)
2661
0
            return i;
2662
0
    return 0;
2663
0
}
2664
2665
static int
2666
zfapi_finish_render(i_ctx_t *i_ctx_p)
2667
0
{
2668
0
    os_ptr op = osp;
2669
0
    gs_font *pfont;
2670
0
    int code = font_param(op - 1, &pfont);
2671
2672
0
    if (code == 0) {
2673
0
        gs_font_base *pbfont = (gs_font_base *) pfont;
2674
0
        gs_fapi_server *I = pbfont->FAPI;
2675
0
        gs_text_enum_t *penum = op_show_find(i_ctx_p);
2676
2677
0
        gs_fapi_set_servers_client_data(imemory, NULL, i_ctx_p);
2678
2679
0
        code = gs_fapi_finish_render(pfont, igs, penum, I);
2680
0
        pop(2);
2681
0
        I->release_char_data(I);
2682
0
    }
2683
0
    return code;
2684
0
}
2685
2686
static int
2687
ps_fapi_set_cache(gs_text_enum_t *penum, const gs_font_base *pbfont,
2688
                  const gs_string *char_name, gs_glyph cid,
2689
                  const double pwidth[2], const gs_rect *pbbox,
2690
                  const double Metrics2_sbw_default[4], bool *imagenow)
2691
90
{
2692
90
    i_ctx_t *i_ctx_p = (i_ctx_t *) pbfont->FAPI->client_ctx_p;
2693
90
    op_proc_t exec_cont = 0;    /* dummy - see below */
2694
90
    int code = 0;
2695
2696
90
    if (cid < GS_MIN_CID_GLYPH) {
2697
90
        ref cname;
2698
2699
90
        make_string(&cname, avm_foreign | a_readonly, char_name->size,
2700
90
                    char_name->data);
2701
90
        code =
2702
90
            zchar_set_cache(i_ctx_p, pbfont, &cname, NULL, pwidth, pbbox,
2703
90
                            zfapi_finish_render, &exec_cont,
2704
90
                            Metrics2_sbw_default);
2705
90
    }
2706
0
    else {
2707
0
        ref cidref;
2708
2709
0
        make_int(&cidref, (cid - GS_MIN_CID_GLYPH));
2710
0
        code = zchar_set_cache(i_ctx_p, pbfont, &cidref, NULL, pwidth, pbbox,
2711
0
                               zfapi_finish_render, &exec_cont,
2712
0
                               Metrics2_sbw_default);
2713
0
    }
2714
2715
90
    if (code >= 0 && exec_cont != NULL) {
2716
24
        *imagenow = true;
2717
24
    }
2718
66
    else {
2719
66
        *imagenow = false;
2720
66
    }
2721
    /* We ignore the value of exec_cont here, and leave it up to
2722
     * gs_fapi_do_char() to do the "right" thing based on the
2723
     * return value
2724
     */
2725
90
    return (code);
2726
90
}
2727
2728
2729
static const byte *
2730
find_substring(const byte *where, int length, const char *what)
2731
0
{
2732
0
    int l = strlen(what);
2733
0
    int n = length - l;
2734
0
    const byte *p = where;
2735
2736
0
    for (; n >= 0; n--, p++)
2737
0
        if (!memcmp(p, what, l))
2738
0
            return p;
2739
0
    return NULL;
2740
0
}
2741
2742
static int
2743
ps_get_glyphname_or_cid(gs_text_enum_t *penum,
2744
                        gs_font_base *pbfont, gs_string *charstring,
2745
                        gs_string *name, gs_glyph ccode,
2746
                        gs_string *enc_char_name, char *font_file_path,
2747
                        gs_fapi_char_ref *cr, bool bCID)
2748
90
{
2749
90
    ref *pdr = pfont_dict(pbfont);
2750
90
    int client_char_code = ccode;
2751
90
    ref char_name, cname_str;
2752
90
    int code = 0;
2753
90
    gs_fapi_server *I = pbfont->FAPI;
2754
90
    bool is_TT_from_type42 = (pbfont->FontType == ft_TrueType && font_file_path == NULL);
2755
90
    bool is_glyph_index = false;
2756
90
    bool is_embedded_type1 =
2757
90
        ((pbfont->FontType == ft_encrypted
2758
90
          || pbfont->FontType == ft_encrypted2) && font_file_path == NULL);
2759
90
    i_ctx_t *i_ctx_p = (i_ctx_t *) I->client_ctx_p;
2760
90
    bool unicode_cp = false;
2761
2762
    /* Obtain the character name : */
2763
90
    if (bCID) {
2764
0
        if (pbfont->FontType == ft_CID_TrueType && font_file_path) {
2765
0
            ref *pdr2, *fidr, *dummy;
2766
0
            pdr2 = pfont_dict(gs_rootfont(igs));
2767
0
            if (dict_find_string(pdr2, "FontInfo", &fidr) > 0 &&
2768
0
                dict_find_string(fidr, "GlyphNames2Unicode", &dummy) > 0)
2769
0
            {
2770
0
                unsigned char uc[4] = {0};
2771
0
                unsigned int cc = 0;
2772
0
                int i, l;
2773
0
                if (penum->text.operation & TEXT_FROM_SINGLE_CHAR) {
2774
0
                    cc = penum->text.data.d_char;
2775
0
                } else if (penum->text.operation & TEXT_FROM_SINGLE_GLYPH) {
2776
0
                    cc = penum->text.data.d_glyph - GS_MIN_CID_GLYPH;
2777
0
                }
2778
0
                else {
2779
0
                    byte *c = (byte *)&penum->text.data.bytes[penum->index - penum->bytes_decoded];
2780
0
                    for (i = 0; i < penum->bytes_decoded ; i++) {
2781
0
                      cc |= c[i] << ((penum->bytes_decoded - 1) - i) * 8;
2782
0
                    }
2783
0
                }
2784
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));
2785
0
                if (l > 0 && l < sizeof(uc)) {
2786
0
                    cc = 0;
2787
0
                    for (i = 0; i < l; i++) {
2788
0
                        cc |= uc[l - 1 - i] << (i * 8);
2789
0
                    }
2790
0
                    ccode = cc;
2791
0
                    unicode_cp = true;
2792
0
                }
2793
0
            }
2794
0
        }
2795
0
        client_char_code = ccode;
2796
0
        make_null(&char_name);
2797
0
        enc_char_name->data = NULL;
2798
0
        enc_char_name->size = 0;
2799
0
    }
2800
90
    else {
2801
90
        if (ccode != GS_NO_CHAR) {
2802
            /* Translate from PS encoding to char name : */
2803
90
            ref *Encoding;
2804
2805
90
            client_char_code = ccode;
2806
90
            if (dict_find_string(pdr, "Encoding", &Encoding) > 0 &&
2807
90
                (r_has_type(Encoding, t_array) ||
2808
90
                 r_has_type(Encoding, t_shortarray)
2809
90
                 || r_has_type(Encoding, t_mixedarray))) {
2810
90
                if (array_get(imemory, Encoding, client_char_code, &char_name)
2811
90
                    < 0)
2812
0
                    if ((code =
2813
0
                         name_ref(imemory, (const byte *)".notdef", 7,
2814
0
                                  &char_name, -1)) < 0)
2815
0
                        return code;
2816
90
            }
2817
0
            else {
2818
0
                return_error(gs_error_invalidfont);
2819
0
            }
2820
90
        }
2821
0
        else {
2822
0
            code =
2823
0
                names_ref(imemory->gs_lib_ctx->gs_name_table,
2824
0
                          (const byte *)name->data, name->size, &char_name,
2825
0
                          0);
2826
2827
0
        }
2828
        /* We need to store the name as we get it (from the Encoding array), in case it's
2829
         * had the name extended (with "~GS~xx"), we'll remove the extension before passing
2830
         * it to the renderer for a disk based font. But the metrics dictionary may have
2831
         * been constructed using the extended name....
2832
         */
2833
90
        if (!r_has_type(&char_name, t_name))
2834
0
            return_error(gs_error_invalidfont);
2835
90
        name_string_ref(imemory, &char_name, &cname_str);
2836
90
        enc_char_name->data = cname_str.value.bytes;
2837
90
        enc_char_name->size = r_size(&cname_str);
2838
90
    }
2839
2840
    /* Obtain the character code or glyph index : */
2841
90
    cr->char_codes_count = 1;
2842
90
    if (bCID) {
2843
0
        if (font_file_path != NULL) {
2844
0
            ref *Decoding, *TT_cmap = NULL, *SubstNWP;
2845
0
            ref src_type, dst_type;
2846
0
            uint c = 0;
2847
2848
0
            is_glyph_index = true;
2849
2850
0
            if (dict_find_string(pdr, "Decoding", &Decoding) <= 0
2851
0
                || !r_has_type(Decoding, t_dictionary))
2852
0
                return_error(gs_error_invalidfont);
2853
0
            if (dict_find_string(pdr, "SubstNWP", &SubstNWP) <= 0
2854
0
                || !r_has_type(SubstNWP, t_array))
2855
0
                return_error(gs_error_invalidfont);
2856
0
            if (dict_find_string(pdr, "TT_cmap", &TT_cmap) <= 0
2857
0
                || !r_has_type(TT_cmap, t_dictionary)) {
2858
0
                ref *DecodingArray, char_code, char_code1, ih;
2859
0
                int i = client_char_code % 256, n;
2860
2861
0
                make_int(&ih, client_char_code / 256);
2862
                /* Check the Decoding array for this block of CIDs */
2863
0
                if (dict_find(Decoding, &ih, &DecodingArray) <= 0
2864
0
                    || !r_has_type(DecodingArray, t_array)
2865
0
                    || array_get(imemory, DecodingArray, i, &char_code) < 0) {
2866
0
                    return_error(gs_error_invalidfont);
2867
0
                }
2868
2869
                /* Check the Decoding entry */
2870
0
                if (r_has_type(&char_code, t_integer)) {
2871
0
                    n = 1;
2872
0
                }
2873
0
                else if (r_has_type(&char_code, t_array)) {
2874
0
                    DecodingArray = &char_code;
2875
0
                    i = 0;
2876
0
                    n = r_size(DecodingArray);
2877
0
                }
2878
0
                else {
2879
0
                    return_error(gs_error_invalidfont);
2880
0
                }
2881
2882
0
                for (; n--; i++) {
2883
0
                    if (array_get(imemory, DecodingArray, i, &char_code1) < 0
2884
0
                        || !r_has_type(&char_code1, t_integer)) {
2885
0
                        return_error(gs_error_invalidfont);
2886
0
                    }
2887
2888
0
                    c = char_code1.value.intval;
2889
0
                    I->check_cmap_for_GID(I, &c);
2890
0
                    if (c != 0)
2891
0
                        break;
2892
0
                }
2893
0
            }
2894
0
            else {
2895
0
                ref *CIDSystemInfo;
2896
0
                ref *Ordering;
2897
0
                ref *fdict, *CMapDict, *CMapName, *WMode, CMapNameStr;
2898
0
                char *cmapnm = NULL;
2899
0
                int cmapnmlen = 0;
2900
0
                int wmode = 0;
2901
                /* leave off the -H or -V */
2902
0
                const char * const utfcmap = "Identity-UTF16";
2903
0
                int utfcmaplen = strlen(utfcmap);
2904
2905
0
                fdict = pfont_dict(gs_rootfont(igs));
2906
0
                code = dict_find_string(fdict, "CMap", &CMapDict);
2907
0
                if (code > 0 && r_has_type(CMapDict, t_dictionary)) {
2908
0
                    code = dict_find_string(CMapDict, "WMode", &WMode);
2909
0
                    if (code > 0 && r_has_type(WMode, t_integer)) {
2910
0
                        wmode = WMode->value.intval;
2911
0
                    }
2912
0
                    code = dict_find_string(CMapDict, "CMapName", &CMapName);
2913
0
                    if (code > 0 && r_has_type(CMapName, t_name)) {
2914
0
                        name_string_ref(imemory, CMapName, &CMapNameStr);
2915
0
                        cmapnm = (char *)CMapNameStr.value.bytes;
2916
0
                        cmapnmlen = r_size(&CMapNameStr);
2917
0
                    }
2918
0
                }
2919
                /* We only have to lookup the char code if we're *not* using an identity ordering
2920
                   with the exception of Identity-UTF16 which is a different beast altogether */
2921
0
                if (unicode_cp || (cmapnmlen > 0 && !strncmp(cmapnm, utfcmap, cmapnmlen > utfcmaplen ? utfcmaplen : cmapnmlen))
2922
0
                    || (dict_find_string(pdr, "CIDSystemInfo", &CIDSystemInfo) > 0
2923
0
                    && r_has_type(CIDSystemInfo, t_dictionary)
2924
0
                    && dict_find_string(CIDSystemInfo, "Ordering",
2925
0
                                        &Ordering) > 0
2926
0
                    && r_has_type(Ordering, t_string)
2927
0
                    && strncmp((const char *)Ordering->value.bytes,
2928
0
                               "Identity", 8) != 0)) {
2929
2930
0
                    if ((code =
2931
0
                         cid_to_TT_charcode(imemory, Decoding, TT_cmap,
2932
0
                                            SubstNWP, client_char_code, &c,
2933
0
                                            &src_type, &dst_type)) < 0) {
2934
0
                        return code;
2935
0
                    }
2936
0
                }
2937
0
                else {
2938
0
                    if (pbfont->FontType == ft_CID_TrueType) {
2939
0
                        c = ((gs_font_cid2 *)pbfont)->cidata.CIDMap_proc(((gs_font_cid2 *)pbfont),
2940
0
                                                  client_char_code + GS_MIN_CID_GLYPH);
2941
0
                    }
2942
0
                    else {
2943
0
                        c = client_char_code;
2944
0
                    }
2945
0
                }
2946
0
                if (pbfont->FontType == ft_CID_TrueType)
2947
0
                    c = ((gs_font_cid2 *)pbfont)->data.substitute_glyph_index_vertical((gs_font_type42 *)pbfont, c, wmode, ccode);
2948
0
            }
2949
0
            if (pbfont->FontType == ft_CID_TrueType && c == 0 && TT_cmap) {
2950
0
                ref cc32;
2951
0
                ref *gid;
2952
0
                make_int(&cc32, 32);
2953
0
                if (dict_find(TT_cmap, &cc32, &gid) > 0)
2954
0
                    c = gid->value.intval;
2955
0
            }
2956
0
            cr->char_codes[0] = c;
2957
            /* fixme : process the narrow/wide/proportional mapping type,
2958
               using src_type, dst_type. Should adjust the 'matrix' above.
2959
               Call get_font_proportional_feature for proper choice.
2960
             */
2961
0
        }
2962
0
        else {
2963
0
            ref *CIDMap;
2964
0
            byte *Map;
2965
0
            int c_code = client_char_code;
2966
0
            int gdb = 2;
2967
0
            int i;
2968
0
            ref *GDBytes = NULL;
2969
2970
0
            if ((dict_find_string(pdr, "GDBytes", &GDBytes) > 0)
2971
0
                && r_has_type(GDBytes, t_integer)) {
2972
0
                gdb = GDBytes->value.intval;
2973
0
            }
2974
2975
            /* The PDF Reference says that we should use a CIDToGIDMap, but the PDF
2976
             * interpreter converts this into a CIDMap (see pdf_font.ps, processCIDToGIDMap)
2977
             */
2978
0
            if (dict_find_string(pdr, "CIDMap", &CIDMap) > 0
2979
0
                && !r_has_type(CIDMap, t_name) && (r_has_type(CIDMap, t_array)
2980
0
                                                   || r_has_type(CIDMap,
2981
0
                                                                 t_string))) {
2982
2983
0
                if (r_has_type(CIDMap, t_array)) {
2984
2985
                    /* Too big for single string, so its an array of 2 strings */
2986
0
                    code = string_array_access_proc(pbfont->memory, CIDMap, 1,
2987
0
                                                    client_char_code * (ulong)gdb,
2988
0
                                                    gdb, NULL, NULL,
2989
0
                                                    (const byte **)&Map);
2990
0
                }
2991
0
                else {
2992
0
                    if (CIDMap->tas.rsize <= c_code * gdb) {
2993
0
                        c_code = 0;
2994
0
                    }
2995
0
                    Map = &CIDMap->value.bytes[c_code * gdb];
2996
0
                }
2997
0
                cr->char_codes[0] = 0;
2998
0
                is_glyph_index = true;
2999
0
                if (code >= 0) {
3000
0
                    for (i = 0; i < gdb; i++) {
3001
0
                        cr->char_codes[0] = (cr->char_codes[0] << 8) + Map[i];
3002
0
                    }
3003
0
                }
3004
0
                else {
3005
0
                    ref *cstr, *refcode;
3006
0
                    code = dict_find_string(pdr, "CharStrings", &cstr);
3007
0
                    if (code > 0) {
3008
0
                        code = dict_find_string(cstr, ".notdef", &refcode);
3009
0
                        if (code > 0) {
3010
0
                            cr->char_codes[0] = refcode->value.intval;
3011
0
                        }
3012
0
                    }
3013
0
                }
3014
0
            }
3015
0
            else
3016
0
                cr->char_codes[0] = client_char_code;
3017
0
        }
3018
0
    }
3019
90
    else if (is_TT_from_type42) {
3020
        /* This font must not use 'cmap', so compute glyph index from CharStrings : */
3021
0
        ref *CharStrings, *glyph_index, *cmaptab;
3022
3023
0
        if (dict_find_string(pdr, "TT_cmap", &cmaptab) > 0 &&
3024
0
           r_has_type(cmaptab, t_dictionary)) {
3025
0
           const char *nd = ".notdef";
3026
3027
0
           if (enc_char_name->size >= strlen(nd) &&
3028
0
               enc_char_name->data[0] == nd[0] &&
3029
0
               !memcmp(enc_char_name->data, nd, strlen(nd))) {
3030
0
               ref ccref, *gidref, boolref;
3031
0
               make_int(&ccref, ccode);
3032
0
               if (dict_find(cmaptab, &ccref, &gidref) > 0 &&
3033
0
                   r_has_type(gidref, t_integer) &&
3034
0
                   gidref->value.intval == 0) {
3035
0
                   make_bool(&boolref, true);
3036
0
               }
3037
0
               else {
3038
0
                   make_bool(&boolref, false);
3039
0
               }
3040
0
               dict_put_string(pdr, ".render_notdef", &boolref, NULL);
3041
0
           }
3042
0
        }
3043
3044
0
        if (dict_find_string(pdr, "CharStrings", &CharStrings) <= 0
3045
0
            || !r_has_type(CharStrings, t_dictionary))
3046
0
            return_error(gs_error_invalidfont);
3047
0
        if ((dict_find(CharStrings, &char_name, &glyph_index) <= 0)
3048
0
            || r_has_type(glyph_index, t_null)) {
3049
#ifdef DEBUG
3050
            ref *pvalue;
3051
3052
            if (gs_debug_c('1')
3053
                && (dict_find_string(systemdict, "QUIET", &pvalue)) > 0
3054
                && (r_has_type(pvalue, t_boolean)
3055
                    && pvalue->value.boolval == false)) {
3056
                char *glyphn;
3057
3058
                name_string_ref(imemory, &char_name, &char_name);
3059
3060
                glyphn =
3061
                    ref_to_string(&char_name, imemory,
3062
                                  "ps_get_glyphname_or_cid");
3063
                if (glyphn) {
3064
                    dmprintf2(imemory, " Substituting .notdef for %s in the font %s \n",
3065
                             glyphn, pbfont->font_name.chars);
3066
                    gs_free_string(imemory, (byte *) glyphn,
3067
                                   strlen(glyphn) + 1,
3068
                                   "ps_get_glyphname_or_cid");
3069
                }
3070
            }
3071
#endif
3072
3073
0
            cr->char_codes[0] = 0;      /* .notdef */
3074
0
            if ((code =
3075
0
                 name_ref(imemory, (const byte *)".notdef", 7, &char_name,
3076
0
                          -1)) < 0)
3077
0
                return code;
3078
0
        }
3079
0
        else if (r_has_type(glyph_index, t_integer)) {
3080
0
            cr->char_codes[0] = glyph_index->value.intval;
3081
0
        }
3082
0
        else {
3083
0
#if 1                           /* I can't find this ever being used, no idea what it's for..... */
3084
0
            os_ptr op = osp;
3085
3086
            /* Check execution stack has space for BuldChar proc and finish_render */
3087
0
            check_estack(2);
3088
            /* check space and duplicate the glyph index for BuildChar */
3089
0
            check_op(1);
3090
0
            push(1);
3091
0
            ref_assign_inline(op, op - 1);
3092
            /* Come back to fapi_finish_render after running the BuildChar */
3093
0
            push_op_estack(zfapi_finish_render);
3094
0
            ++esp;
3095
0
            ref_assign(esp, glyph_index);
3096
0
            return o_push_estack;
3097
#else
3098
            return (gs_error_invalidfont);
3099
#endif
3100
0
        }
3101
0
        is_glyph_index = true;
3102
0
    }
3103
90
    else if (is_embedded_type1) {
3104
        /*  Since the client passes charstring by callback using I->ff.char_data,
3105
           the client doesn't need to provide a good cr here.
3106
           Perhaps since UFST uses char codes as glyph cache keys (UFST 4.2 cannot use names),
3107
           we provide font char codes equal to document's char codes.
3108
           This trick assumes that Encoding can't point different glyphs
3109
           for same char code. The last should be true due to
3110
           PLRM3, "5.9.4 Subsetting and Incremental Definition of Glyphs".
3111
         */
3112
90
        if (ccode != GS_NO_CHAR) {
3113
90
            cr->char_codes[0] = client_char_code;
3114
90
        }
3115
0
        else {
3116
            /*
3117
             * Reverse Encoding here, because it can be an incremental one.
3118
             * Note that this can cause problems with UFST (see the comment above),
3119
             * if the encoding doesn't contain the glyph name rendered with glyphshow.
3120
             */
3121
0
            ref *Encoding;
3122
0
            ref glyph;
3123
3124
0
            if ((code = name_ref(pbfont->memory, name->data, name->size, &glyph, false)) < 0)
3125
0
                return code;
3126
3127
0
            if (dict_find_string(osp - 1, "Encoding", &Encoding) > 0) {
3128
0
                cr->char_codes[0] =
3129
0
                    (uint) array_find(imemory, Encoding, &glyph);
3130
0
            }
3131
0
            else
3132
0
                return_error(gs_error_invalidfont);
3133
0
        }
3134
90
    }
3135
0
    else {                      /* a non-embedded font, i.e. a disk font */
3136
0
        bool can_retrieve_char_by_name = false;
3137
0
        const byte *p;
3138
3139
0
        obj_string_data(imemory, &char_name, &cr->char_name,
3140
0
                        &cr->char_name_length);
3141
0
        p = find_substring(cr->char_name, cr->char_name_length,
3142
0
                           gx_extendeg_glyph_name_separator);
3143
0
        if (p != NULL) {
3144
0
            cr->char_name_length = p - cr->char_name;
3145
0
            if ((code = name_ref(pbfont->memory, cr->char_name,
3146
0
                             cr->char_name_length, &char_name, true)) < 0)
3147
0
                return code;
3148
0
        }
3149
0
        if ((code =
3150
0
             renderer_retcode(imemory, I,
3151
0
                              I->can_retrieve_char_by_name(I, &I->ff, cr,
3152
0
                                                           &can_retrieve_char_by_name)))
3153
0
            < 0)
3154
0
            return code;
3155
3156
0
        if (!can_retrieve_char_by_name) {
3157
            /* Translate from char name to encoding used with 3d party font technology : */
3158
0
            ref *Decoding, *char_code;
3159
3160
0
            if (dict_find_string(osp - 1, "Decoding", &Decoding) > 0
3161
0
                && r_has_type(Decoding, t_dictionary)) {
3162
0
                if (dict_find(Decoding, &char_name, &char_code) > 0) {
3163
0
                    code = 0;
3164
0
                    if (r_has_type(char_code, t_integer)) {
3165
0
                        int c_code;
3166
0
                        int_param(char_code, 0xFFFF, &c_code);
3167
0
                        cr->char_codes[0] = (gs_glyph)c_code;
3168
0
                    }
3169
0
                    else if (r_has_type(char_code, t_array)
3170
0
                             || r_has_type(char_code, t_shortarray)) {
3171
0
                        int i;
3172
0
                        ref v;
3173
3174
0
                        cr->char_codes_count = r_size(char_code);
3175
0
                        if (cr->char_codes_count > count_of(cr->char_codes))
3176
0
                            code = gs_note_error(gs_error_rangecheck);
3177
0
                        if (code >= 0) {
3178
0
                            for (i = 0; i < cr->char_codes_count; i++) {
3179
0
                                code = array_get(imemory, char_code, i, &v);
3180
0
                                if (code < 0)
3181
0
                                    break;
3182
0
                                if (!r_has_type(char_code, t_integer)) {
3183
0
                                    code = gs_note_error(gs_error_rangecheck);
3184
0
                                    break;
3185
0
                                }
3186
0
                                cr->char_codes[i] = v.value.intval;
3187
0
                            }
3188
0
                        }
3189
0
                    }
3190
0
                    else {
3191
0
                        code = gs_note_error(gs_error_rangecheck);
3192
0
                    }
3193
0
                    if (code < 0) {
3194
0
                        char buf[16];
3195
0
                        int l = cr->char_name_length;
3196
3197
0
                        if (l > sizeof(buf) - 1) {
3198
0
                            l = sizeof(buf) - 1;
3199
0
                        }
3200
0
                        memcpy(buf, cr->char_name, l);
3201
0
                        buf[l] = 0;
3202
0
                        emprintf1(imemory,
3203
0
                                  "Wrong decoding entry for the character '%s'.\n",
3204
0
                                  buf);
3205
0
                        return_error(gs_error_rangecheck);
3206
0
                    }
3207
0
                }
3208
0
            }
3209
0
        }
3210
0
    }
3211
3212
    /* Provide glyph data for renderer : */
3213
    /* Occasionally, char_name is already a glyph index to pass to the rendering engine
3214
     * so don't treat it as a name object.
3215
     * I believe this will only happen with a TTF/Type42, but checking the object type
3216
     * is cheap, and covers all font type eventualities.
3217
     */
3218
90
    if (!I->ff.is_cid && r_has_type(&char_name, t_name)) {
3219
90
        ref sname;
3220
3221
90
        name_string_ref(imemory, &char_name, &sname);
3222
90
        I->ff.char_data = sname.value.const_bytes;
3223
90
        I->ff.char_data_len = r_size(&sname);
3224
90
    }
3225
0
    else if (I->ff.is_type1) {
3226
0
        I->ff.char_data = charstring;
3227
0
    }
3228
3229
90
    cr->is_glyph_index = is_glyph_index;
3230
90
    cr->client_char_code = client_char_code;
3231
3232
90
    return (code);
3233
90
}
3234
3235
3236
static int
3237
FAPI_char(i_ctx_t *i_ctx_p, bool bBuildGlyph, ref *charstring)
3238
90
{                               /* Stack : <font> <code|name> --> - */
3239
90
    os_ptr op = osp;
3240
90
    ref *pdr = op - 1;
3241
90
    ref *v;
3242
90
    char *font_file_path = NULL;
3243
90
    gs_font *pfont;
3244
90
    int code;
3245
3246
90
    check_op(2);
3247
90
    code = font_param(osp - 1, &pfont);
3248
3249
90
    if (code == 0) {
3250
90
        gs_font_base *pbfont = (gs_font_base *) pfont;
3251
90
        bool bCID = (FAPI_ISCIDFONT(pbfont) || charstring != NULL);
3252
90
        int subfont;
3253
90
        gs_fapi_server *I = pbfont->FAPI;
3254
90
        gs_text_enum_t *penum = op_show_find(i_ctx_p);
3255
90
        gs_string char_string, *c_string_p = NULL;
3256
90
        gs_string char_name, *c_name_p = NULL;
3257
90
        gs_glyph cindex = GS_NO_CHAR;
3258
90
        ref gname;
3259
3260
90
        if (I == NULL)
3261
0
            return_error(gs_error_invalidfont);
3262
3263
        /* initialise the FAPI font, this includes language specific stuff */
3264
90
        I->ff = ps_ff_stub;
3265
3266
90
        I->client_ctx_p = i_ctx_p;
3267
3268
90
        if (bBuildGlyph && !bCID) {
3269
0
            if (r_type(op) != t_name) {
3270
0
                name_enter_string(imemory, ".notdef", op);
3271
0
            }
3272
0
            check_type(*op, t_name);
3273
3274
0
            name_string_ref(imemory, op, &gname);
3275
0
            c_name_p = &char_name;
3276
0
            c_name_p->data = gname.value.bytes;
3277
0
            c_name_p->size = r_size(&gname);
3278
3279
0
        }
3280
90
        else {
3281
90
            int chint;
3282
90
            if (bBuildGlyph && pbfont->FontType == ft_CID_TrueType
3283
90
                && r_has_type(op, t_name)) {
3284
0
                ref *chstrs, *chs;
3285
3286
                /* This logic is lifted from %Type11BuildGlyph in gs_cidfn.ps
3287
                 * Note we only have to deal with mistakenly being given a name object
3288
                 * here, the out of range CID is handled later
3289
                 */
3290
0
                if ((dict_find_string(op - 1, "CharStrings", &chstrs)) <= 0) {
3291
0
                    return_error(gs_error_undefined);
3292
0
                }
3293
3294
0
                if ((dict_find_string(chstrs, ".notdef", &chs)) <= 0) {
3295
0
                    return_error(gs_error_undefined);
3296
0
                }
3297
0
                ref_assign_inline(op, chs);
3298
0
            }
3299
3300
90
            make_null(&gname);
3301
90
            check_type(*op, t_integer);
3302
90
            int_param(op, 0xFFFF, (int *)&chint);
3303
90
            cindex = chint;
3304
90
        }
3305
3306
90
        if (dict_find_string(pdr, "SubfontId", &v) > 0
3307
90
            && r_has_type(v, t_integer))
3308
0
            subfont = v->value.intval;
3309
90
        else
3310
90
            subfont = 0;
3311
3312
90
        if (dict_find_string(osp - 1, "Path", &v) > 0
3313
90
            && r_has_type(v, t_string)) {
3314
0
            font_file_path = ref_to_string(v, imemory, "font file path");
3315
0
        }
3316
3317
90
        if (charstring) {
3318
0
            c_string_p = &char_string;
3319
0
            c_string_p->data = charstring->value.bytes;
3320
0
            c_string_p->size = r_size(charstring);
3321
0
        }
3322
3323
90
        code =
3324
90
            gs_fapi_do_char(pfont, igs, penum, font_file_path,
3325
90
                            bBuildGlyph, c_string_p, c_name_p, (gs_char)cindex, cindex,
3326
90
                            subfont);
3327
90
        if (font_file_path != NULL) {
3328
0
            gs_free_string(imemory, (byte *) font_file_path, r_size(v) + 1,
3329
0
                           "font file path");
3330
0
        }
3331
        /* This handles the situation where a charstring has been replaced with a PS procedure.
3332
         * against the rules, but not *that* rare.
3333
         * It's also something that GS does internally to simulate font styles.
3334
         */
3335
90
        if (code == gs_error_unregistered) {
3336
0
            os_ptr op = osp;
3337
0
            ref *proc = NULL, gname;
3338
3339
0
            if (I->ff.is_type1
3340
0
                && (get_charstring(&I->ff, cindex, &proc, &gname) >= 0)
3341
0
                && proc != NULL && (r_has_type(proc, t_array)
3342
0
                    || r_has_type(proc, t_mixedarray))) {
3343
0
                push(2);
3344
0
                ref_assign(op - 1, &gname);
3345
0
                ref_assign(op, proc);
3346
0
                return (zchar_exec_char_proc(i_ctx_p));
3347
0
            }
3348
0
            else {
3349
0
                return_error(gs_error_invalidfont);
3350
0
            }
3351
0
        }
3352
90
    }
3353
    /* We've already imaged teh glyph, pop the operands */
3354
90
    if (code == 0)
3355
24
        pop(2);
3356
90
    return code;
3357
90
}
3358
3359
static int
3360
zFAPIBuildGlyph9(i_ctx_t *i_ctx_p)
3361
0
{
3362
    /*  The alghorithm is taken from %Type9BuildGlyph - see gs_cidfn.ps .  */
3363
0
    os_ptr lop, op = osp;
3364
0
    int cid, code;
3365
0
    avm_space s = ialloc_space(idmemory);
3366
0
    ref font9 = *pfont_dict(gs_currentfont(igs));
3367
0
    ref *rFDArray, f;
3368
0
    int font_index;
3369
3370
0
    check_op(2);
3371
0
    check_type(op[0], t_integer);
3372
0
    check_type(op[-1], t_dictionary);
3373
0
    cid = op[0].value.intval;
3374
0
    push(2);
3375
0
    op[-1] = *pfont_dict(gs_currentfont(igs));
3376
0
    op[0] = op[-2];             /* <font0> <cid> <font9> <cid> */
3377
0
    ialloc_set_space(idmemory, (r_is_local(op - 3) ? avm_global : avm_local));  /* for ztype9mapcid */
3378
3379
    /* stack: <font0> <cid> <font9> <cid> */
3380
0
    if ((code = ztype9mapcid(i_ctx_p)) < 0)
3381
0
        return code;            /* <font0> <cid> <charstring> <font_index> */
3382
    /* fixme: what happens if the charstring is absent ?
3383
       Can FDArray contain 'null' (see %Type9BuildGlyph in gs_cidfn.ps)? */
3384
0
    font_index = op[0].value.intval;
3385
0
    if (dict_find_string(&font9, "FDArray", &rFDArray) <= 0
3386
0
        || r_type(rFDArray) != t_array)
3387
0
        return_error(gs_error_invalidfont);
3388
0
    if (array_get(imemory, rFDArray, font_index, &f) < 0
3389
0
        || r_type(&f) != t_dictionary)
3390
0
        return_error(gs_error_invalidfont);
3391
3392
0
    op[0] = op[-2];
3393
0
    op[-2] = op[-1];            /* Keep the charstring on ostack for the garbager. */
3394
0
    op[-1] = f;                 /* <font0> <charstring> <subfont> <cid> */
3395
0
    if ((code = FAPI_char(i_ctx_p, true, op - 2)) < 0)
3396
0
        return code;
3397
    /* stack: <font0> <charstring> */
3398
3399
0
    lop = osp;
3400
0
    if (code == 5) {
3401
0
        int i, ind = (lop - op);
3402
3403
0
        op = osp;
3404
3405
0
        for (i = ind; i >= 0; i--) {
3406
0
            op[-i - 2] = op[-i];
3407
0
        }
3408
0
        pop(2);
3409
0
    }
3410
0
    else if (code < 0) {        /* <font0> <dirty> <dirty> <dirty> */
3411
        /* Adjust ostack for the correct error handling : */
3412
0
        make_int(op - 2, cid);
3413
0
        pop(2);                 /* <font0> <cid> */
3414
0
    }
3415
0
    else if (code != 5) {       /* <font0> <dirty> */
3416
3417
3418
0
        pop(2);                 /* */
3419
        /*  Note that this releases the charstring, and it may be garbage-collected
3420
           before the interpreter calls fapi_finish_render. This requires the server
3421
           to keep glyph raster internally between calls to get_char_raster_metrics
3422
           and get_char_raster. Perhaps UFST cannot provide metrics without
3423
           building a raster, so this constraint actually goes from UFST.
3424
         */
3425
0
    }
3426
0
    ialloc_set_space(idmemory, s);
3427
0
    return code;
3428
0
}
3429
3430
/* <font> <code> .FAPIBuildChar - */
3431
static int
3432
zFAPIBuildChar(i_ctx_t *i_ctx_p)
3433
90
{
3434
90
    return FAPI_char(i_ctx_p, false, NULL);
3435
90
}
3436
3437
/* non-CID : <font> <code> .FAPIBuildGlyph - */
3438
/*     CID : <font> <name> .FAPIBuildGlyph - */
3439
static int
3440
zFAPIBuildGlyph(i_ctx_t *i_ctx_p)
3441
0
{
3442
0
    return FAPI_char(i_ctx_p, true, NULL);
3443
0
}
3444
3445
3446
/* <font_dict> .FAPIpassfont bool <font_dict> */
3447
/* must insert /FAPI to font dictionary */
3448
static int
3449
zFAPIpassfont(i_ctx_t *i_ctx_p)
3450
550
{
3451
550
    os_ptr op = osp;
3452
550
    gs_font *pfont;
3453
550
    int code;
3454
550
    char *font_file_path = NULL;
3455
550
    ref *v;
3456
550
    char *xlatmap = NULL;
3457
550
    char *fapi_request = NULL;
3458
550
    char *fapi_id = NULL;
3459
550
    ref reqstr;
3460
550
    int subfont;
3461
3462
550
    check_op(1);
3463
    /* Normally embedded fonts have no Path, but if a CID font is
3464
     * emulated with a TT font, and it is hooked with FAPI,
3465
     * the path presents and is neccessary to access the full font data.
3466
     */
3467
550
    check_type(*op, t_dictionary);
3468
3469
550
    code = font_param(osp, &pfont);
3470
550
    if (code < 0)
3471
0
        return code;
3472
3473
550
    if (dict_find_string(op, "SubfontId", &v) > 0
3474
550
        && r_has_type(v, t_integer))
3475
0
        subfont = v->value.intval;
3476
550
    else
3477
550
        subfont = 0;
3478
3479
550
    code = FAPI_get_xlatmap(i_ctx_p, &xlatmap); /* Useful for emulated fonts hooked with FAPI. */
3480
550
    if (code < 0)
3481
0
        return code;
3482
3483
    /* If the font dictionary contains a FAPIPlugInReq key, the the PS world wants us
3484
     * to try to use a specific FAPI plugin, so find it, and try it....
3485
     */
3486
550
    if (dict_find_string(op, "FAPIPlugInReq", &v) > 0 && r_type(v) == t_name) {
3487
3488
0
        name_string_ref(imemory, v, &reqstr);
3489
3490
0
        fapi_request = ref_to_string(&reqstr, imemory, "zFAPIpassfont");
3491
0
    }
3492
3493
550
    if (dict_find_string(op, "Path", &v) > 0 && r_has_type(v, t_string))
3494
0
        font_file_path = ref_to_string(v, imemory_global, "font file path");
3495
3496
550
    gs_fapi_set_servers_client_data(imemory, &ps_ff_stub, i_ctx_p);
3497
3498
550
    code =
3499
550
        gs_fapi_passfont(pfont, subfont, font_file_path, NULL, fapi_request, xlatmap,
3500
550
                         &fapi_id, NULL, ps_get_server_param);
3501
3502
550
    if (font_file_path != NULL)
3503
0
        gs_free_string(imemory_global, (byte *) font_file_path, r_size(v) + 1,
3504
550
                       "font file path");
3505
3506
550
    if (fapi_request != NULL)
3507
0
        gs_free_string(imemory, (byte *) fapi_request,
3508
550
                       strlen(fapi_request) + 1, "do_FAPIpassfont");
3509
550
    if (code < 0 && code != gs_error_invalidaccess)
3510
2
        return code;
3511
3512
548
    if (code >= 0 && fapi_id != NULL) {
3513
548
        ref FAPI_ID;
3514
3515
548
        if ((code =
3516
548
             name_ref(imemory, (const byte *)fapi_id,
3517
548
                      strlen(fapi_id), &FAPI_ID, false)) < 0)
3518
0
            return code;
3519
548
        if ((code = dict_put_string(op, "FAPI", &FAPI_ID, NULL)) < 0)
3520
0
            return code;        /* Insert FAPI entry to font dictionary. */
3521
548
    }
3522
548
    push(1);
3523
548
    make_bool(op, (fapi_id != NULL));
3524
548
    return 0;
3525
548
}
3526
3527
const op_def zfapi_op_defs[] = {
3528
    {"1.FAPIavailable", zFAPIavailable},
3529
    {"2.FAPIpassfont", zFAPIpassfont},
3530
    {"2.FAPIrebuildfont", zFAPIrebuildfont},
3531
    {"2.FAPIBuildChar", zFAPIBuildChar},
3532
    {"2.FAPIBuildGlyph", zFAPIBuildGlyph},
3533
    {"2.FAPIBuildGlyph9", zFAPIBuildGlyph9},
3534
    op_def_end(0)
3535
};