Coverage Report

Created: 2025-06-10 06:58

/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
79
{
94
79
    ref s;
95
79
    int code;
96
97
79
    if (r->error < 0)
98
0
        return;
99
79
    do {
100
79
      r->index++;
101
79
      code = array_get(r->memory, r->sfnts, r->index, &s);
102
79
        if (code < 0) {
103
4
            r->error = code;
104
4
            return;
105
4
        }
106
75
        if (!r_has_type(&s, t_string)) {
107
0
            r->error = gs_note_error(gs_error_typecheck);
108
0
            return;
109
0
        }
110
75
      r->p = s.value.const_bytes;
111
75
      r->length = r_size(&s) & ~(uint) 1; /* See Adobe Technical Note # 5012, section 4.2. */
112
75
    } while (r->length == 0);
113
75
    r->offset = 0;
114
75
}
115
116
static inline byte
117
sfnts_reader_rbyte_inline(sfnts_reader *r)
118
1.08k
{
119
1.08k
    if (r->offset >= r->length)
120
0
        sfnts_next_elem(r);
121
1.08k
    return ((r->error < 0) ? 0 : r->p[r->offset++]);
122
1.08k
}
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
80
#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
40
{
135
40
    ushort retval;
136
137
40
    retval = SFNTS_READER_RBYTE_TO_USHORT(r) << 8;
138
40
    retval += SFNTS_READER_RBYTE_TO_USHORT(r);
139
140
40
    return retval;
141
40
}
142
143
#undef SFNTS_READER_RBYTE_TO_USHORT
144
145
1.00k
#define SFNTS_READER_RBYTE_TO_ULONG(r) ((ulong)sfnts_reader_rbyte_inline(r))
146
147
static ulong
148
sfnts_reader_rlong(sfnts_reader *r)
149
250
{
150
250
    ulong retval;
151
250
    retval = SFNTS_READER_RBYTE_TO_ULONG(r) << 24;
152
250
    retval += SFNTS_READER_RBYTE_TO_ULONG(r) << 16;
153
250
    retval += SFNTS_READER_RBYTE_TO_ULONG(r) << 8;
154
250
    retval += SFNTS_READER_RBYTE_TO_ULONG(r);
155
250
    return retval;
156
250
}
157
158
#undef SFNTS_READER_RWORD_TO_LONG
159
160
static int
161
sfnts_reader_rstring(sfnts_reader *r, byte *v, int length)
162
90
{
163
90
    int rlength = length;
164
165
90
    if (length <= 0)
166
0
        return (0);
167
102
    while (r->error >= 0) {
168
98
        int l = min(length, r->length - r->offset);
169
170
98
        memcpy(v, r->p + r->offset, l);
171
98
        length -= l;
172
98
        r->offset += l;
173
98
        if (length <= 0)
174
86
            return (rlength);
175
12
        v += l;
176
12
        sfnts_next_elem(r);
177
12
    }
178
4
    return (rlength - length);
179
90
}
180
181
static void
182
sfnts_reader_seek(sfnts_reader *r, ulong pos)
183
10
{                               /* fixme : optimize */
184
10
    ulong skipped = 0;
185
186
10
    r->index = -1;
187
10
    sfnts_next_elem(r);
188
57
    while (skipped + r->length < pos && r->error >= 0) {
189
47
        skipped += r->length;
190
47
        sfnts_next_elem(r);
191
47
    }
192
10
    r->offset = pos - skipped;
193
10
}
194
195
static void
196
sfnts_reader_init(const gs_memory_t *mem, sfnts_reader *r, ref *pdr)
197
10
{
198
10
    r->memory = mem;
199
10
    r->rbyte = sfnts_reader_rbyte;
200
10
    r->rword = sfnts_reader_rword;
201
10
    r->rlong = sfnts_reader_rlong;
202
10
    r->rstring = sfnts_reader_rstring;
203
10
    r->seek = sfnts_reader_seek;
204
10
    r->index = -1;
205
10
    r->error = 0;
206
10
    if (r_type(pdr) != t_dictionary ||
207
10
        dict_find_string(pdr, "sfnts", &r->sfnts) <= 0)
208
0
        r->error = gs_error_undefined;
209
10
    sfnts_next_elem(r);
210
10
}
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
2
{
228
2
    if (w->buf + w->buf_size < w->p + 1)
229
0
        return;                 /* safety */
230
2
    w->p[0] = v;
231
2
    w->p++;
232
2
}
233
234
static void
235
sfnts_writer_wword(sfnts_writer *w, ushort v)
236
20
{
237
20
    if (w->buf + w->buf_size < w->p + 2)
238
0
        return;                 /* safety */
239
20
    w->p[0] = v / 256;
240
20
    w->p[1] = v % 256;
241
20
    w->p += 2;
242
20
}
243
244
static void
245
sfnts_writer_wlong(sfnts_writer *w, ulong v)
246
95
{
247
95
    if (w->buf + w->buf_size < w->p + 4)
248
0
        return;                 /* safety */
249
95
    w->p[0] = v >> 24;
250
95
    w->p[1] = (v >> 16) & 0xFF;
251
95
    w->p[2] = (v >> 8) & 0xFF;
252
95
    w->p[3] = v & 0xFF;
253
95
    w->p += 4;
254
95
}
255
256
static void
257
sfnts_writer_wstring(sfnts_writer *w, byte *v, int length)
258
40
{
259
40
    if (w->buf + w->buf_size < w->p + length)
260
0
        return;                 /* safety */
261
40
    memcpy(w->p, v, length);
262
40
    w->p += length;
263
40
}
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
132
{
278
132
    return (memcmp(tag, "glyf", 4) && memcmp(tag, "glyx", 4) && /* Presents in files created by AdobePS5.dll Version 5.1.2 */
279
132
            memcmp(tag, "loca", 4) && memcmp(tag, "locx", 4) && /* Presents in files created by AdobePS5.dll Version 5.1.2 */
280
132
            memcmp(tag, "cmap", 4));
281
132
}
282
283
static void
284
sfnt_copy_table(sfnts_reader *r, sfnts_writer *w, int length)
285
10
{
286
10
    byte buf[1024];
287
288
20
    while (length > 0 && r->error >= 0) {
289
10
        int l = min(length, sizeof(buf));
290
291
10
        (void)r->rstring(r, buf, l);
292
10
        w->wstring(w, buf, l);
293
10
        length -= l;
294
10
    }
295
10
}
296
297
static int
298
sfnts_copy_except_glyf(sfnts_reader *r, sfnts_writer *w)
299
10
{                               /* Note : TTC is not supported and probably is unuseful for Type 42. */
300
    /* This skips glyf, loca and cmap from copying. */
301
10
    struct
302
10
    {
303
10
        byte tag[4];
304
10
        ulong checkSum, offset, offset_new, length;
305
10
    } tables[40];
306
10
    const ushort alignment = 4; /* Not sure, maybe 2 */
307
10
    ulong version = r->rlong(r);
308
10
    ushort num_tables = r->rword(r);
309
10
    ushort i, num_tables_new = 0;
310
10
    ushort searchRange, entrySelector = 0, rangeShift, v;
311
10
    ulong size_new = 12;
312
313
10
    if (num_tables > countof(tables)) {
314
0
        r->error = gs_note_error(gs_error_invalidfont);
315
0
        return r->error;
316
0
    }
317
318
10
    r->rword(r);                /* searchRange */
319
10
    if (r->error < 0)
320
0
        return r->error;
321
322
10
    r->rword(r);                /* entrySelector */
323
10
    if (r->error < 0)
324
0
        return r->error;
325
326
10
    r->rword(r);                /* rangeShift */
327
10
    if (r->error < 0)
328
0
        return r->error;
329
330
90
    for (i = 0; i < num_tables && r->error >= 0; i++) {
331
80
        (void)r->rstring(r, tables[i].tag, 4);
332
80
        if (r->error < 0)
333
0
            continue;
334
80
        tables[i].checkSum = r->rlong(r);
335
80
        tables[i].offset = r->rlong(r);
336
80
        tables[i].length = r->rlong(r);
337
80
        tables[i].offset_new = size_new;
338
80
        if (sfnts_need_copy_table(tables[i].tag)) {
339
60
            num_tables_new++;
340
60
            size_new +=
341
60
                (tables[i].length + alignment - 1) / alignment * alignment;
342
60
        }
343
80
    }
344
10
    if (r->error < 0)
345
0
        return r->error;
346
10
    size_new += num_tables_new * 16;
347
10
    if (w == 0) {
348
5
        return size_new;
349
5
    }
350
5
    searchRange = v = num_tables_new * 16;
351
40
    for (i = 0; v; i++) {
352
35
        v >>= 1;
353
35
        searchRange |= v;
354
35
        entrySelector++;
355
35
    }
356
5
    searchRange -= searchRange >> 1;
357
5
    rangeShift = num_tables_new * 16 - searchRange;
358
359
5
    w->wlong(w, version);
360
5
    w->wword(w, num_tables_new);
361
5
    w->wword(w, searchRange);
362
5
    w->wword(w, entrySelector);
363
5
    w->wword(w, rangeShift);
364
45
    for (i = 0; i < num_tables; i++) {
365
40
        if (sfnts_need_copy_table(tables[i].tag)) {
366
30
            w->wstring(w, tables[i].tag, 4);
367
30
            w->wlong(w, tables[i].checkSum);
368
30
            w->wlong(w, tables[i].offset_new + num_tables_new * 16);
369
30
            w->wlong(w, tables[i].length);
370
30
        }
371
40
    }
372
17
    for (i = 0; i < num_tables && r->error >= 0; i++) {
373
12
        if (sfnts_need_copy_table(tables[i].tag)) {
374
10
            int k = tables[i].length;
375
376
10
            r->seek(r, tables[i].offset);
377
378
10
            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
10
            sfnt_copy_table(r, w, tables[i].length);
383
12
            for (; k & (alignment - 1); k++)
384
2
                w->wbyte(w, 0);
385
10
        }
386
12
    }
387
5
    if (r->error < 0)
388
4
        return r->error;
389
390
1
    return (size_new);
391
5
}
392
393
static int
394
true_type_size(const gs_memory_t *mem, ref *pdr, unsigned long int *length)
395
5
{
396
5
    sfnts_reader r;
397
398
5
    sfnts_reader_init(mem, &r, pdr);
399
5
    *length = sfnts_copy_except_glyf(&r, 0);
400
401
5
    return r.error;
402
5
}
403
404
static int
405
FAPI_FF_serialize_tt_font(gs_fapi_font *ff, void *buf, int buf_size)
406
5
{
407
5
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
408
5
    sfnts_reader r;
409
5
    sfnts_writer w = sfnts_writer_stub;
410
411
5
    w.buf_size = buf_size;
412
5
    w.buf = w.p = buf;
413
5
    sfnts_reader_init(ff->memory, &r, pdr);
414
5
    return sfnts_copy_except_glyf(&r, &w);
415
5
}
416
417
static inline ushort
418
float_to_ushort(float v)
419
532k
{
420
532k
    return ((ushort) (v * 16)); /* fixme : the scale may depend on renderer */
421
532k
}
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
1.01M
{
431
1.01M
    gs_font_type1 *pfont = (gs_font_type1 *) ff->client_font_data;
432
1.01M
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
433
1.01M
    int code = 0;
434
435
1.01M
    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
16.6k
        case gs_fapi_font_feature_FontType:
452
16.6k
            *ret = (pfont->FontType == 2 ? 2 : 1);
453
16.6k
            break;
454
133k
        case gs_fapi_font_feature_FontBBox:
455
133k
            switch (index) {
456
33.3k
                case 0:
457
33.3k
                    *ret = ((ushort) pfont->FontBBox.p.x);
458
33.3k
                    break;
459
33.3k
                case 1:
460
33.3k
                    *ret = ((ushort) pfont->FontBBox.p.y);
461
33.3k
                    break;
462
33.3k
                case 2:
463
33.3k
                    *ret = ((ushort) pfont->FontBBox.q.x);
464
33.3k
                    break;
465
33.3k
                case 3:
466
33.3k
                    *ret = ((ushort) pfont->FontBBox.q.y);
467
33.3k
                    break;
468
0
                default:
469
0
                    code = gs_note_error(gs_error_rangecheck);
470
133k
            }
471
133k
            break;
472
133k
        case gs_fapi_font_feature_BlueValues_count:
473
33.3k
            *ret = pfont->data.BlueValues.count;
474
33.3k
            break;
475
265k
        case gs_fapi_font_feature_BlueValues:
476
265k
            *ret =  (float_to_ushort(pfont->data.BlueValues.values[index]));
477
265k
            break;
478
33.3k
        case gs_fapi_font_feature_OtherBlues_count:
479
33.3k
            *ret = pfont->data.OtherBlues.count;
480
33.3k
            break;
481
0
        case gs_fapi_font_feature_OtherBlues:
482
0
            *ret = (float_to_ushort(pfont->data.OtherBlues.values[index]));
483
0
            break;
484
33.3k
        case gs_fapi_font_feature_FamilyBlues_count:
485
33.3k
            *ret = pfont->data.FamilyBlues.count;
486
33.3k
            break;
487
0
        case gs_fapi_font_feature_FamilyBlues:
488
0
            *ret = (float_to_ushort(pfont->data.FamilyBlues.values[index]));
489
0
            break;
490
33.3k
        case gs_fapi_font_feature_FamilyOtherBlues_count:
491
33.3k
            *ret = pfont->data.FamilyOtherBlues.count;
492
33.3k
            break;
493
0
        case gs_fapi_font_feature_FamilyOtherBlues:
494
0
            *ret = (float_to_ushort(pfont->data.FamilyOtherBlues.values[index]));
495
0
            break;
496
33.3k
        case gs_fapi_font_feature_BlueShift:
497
33.3k
            *ret = float_to_ushort(pfont->data.BlueShift);
498
33.3k
            break;
499
33.3k
        case gs_fapi_font_feature_BlueFuzz:
500
33.3k
            *ret = float_to_ushort(pfont->data.BlueShift);
501
33.3k
            break;
502
33.3k
        case gs_fapi_font_feature_StdHW:
503
33.3k
            *ret = (pfont->data.StdHW.count == 0 ? 0 : float_to_ushort(pfont->data.StdHW.values[0]));   /* UFST bug ? */
504
33.3k
            break;
505
33.3k
        case gs_fapi_font_feature_StdVW:
506
33.3k
            *ret = (pfont->data.StdVW.count == 0 ? 0 : float_to_ushort(pfont->data.StdVW.values[0]));   /* UFST bug ? */
507
33.3k
            break;
508
33.3k
        case gs_fapi_font_feature_StemSnapH_count:
509
33.3k
            *ret = pfont->data.StemSnapH.count;
510
33.3k
            break;
511
66.6k
        case gs_fapi_font_feature_StemSnapH:
512
66.6k
            *ret = float_to_ushort(pfont->data.StemSnapH.values[index]);
513
66.6k
            break;
514
33.3k
        case gs_fapi_font_feature_StemSnapV_count:
515
33.3k
            *ret = pfont->data.StemSnapV.count;
516
33.3k
            break;
517
66.5k
        case gs_fapi_font_feature_StemSnapV:
518
66.5k
            *ret = float_to_ushort(pfont->data.StemSnapV.values[index]);
519
66.5k
            break;
520
33.3k
        case gs_fapi_font_feature_ForceBold:
521
33.3k
            *ret = pfont->data.ForceBold;
522
33.3k
            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
33.3k
        case gs_fapi_font_feature_Subrs_count:
549
33.3k
            {
550
33.3k
                ref *Private, *Subrs;
551
552
33.3k
                if (dict_find_string(pdr, "Private", &Private) <= 0) {
553
0
                    *ret = 0;
554
0
                    break;
555
0
                }
556
33.3k
                if (dict_find_string(Private, "Subrs", &Subrs) <= 0) {
557
0
                    *ret = 0;
558
0
                    break;
559
0
                }
560
33.3k
                *ret = r_size(Subrs);
561
33.3k
                break;
562
33.3k
            }
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
33.3k
            }
573
            /* Multiple Master specific */
574
66.6k
        case gs_fapi_font_feature_DollarBlend:
575
66.6k
            {
576
66.6k
                ref *DBlend;
577
578
66.6k
                if (dict_find_string(pdr, "$Blend", &DBlend) <= 0)
579
66.6k
                    *ret = 0;
580
0
                else
581
0
                    *ret = 1;
582
66.6k
                break;
583
33.3k
            }
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
1.01M
    }
1391
1.01M
    return code;
1392
1.01M
}
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
33.3k
{
1397
33.3k
    gs_font_type1 *pfont = (gs_font_type1 *) ff->client_font_data;
1398
33.3k
    int code = 0;
1399
1400
33.3k
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1401
1402
33.3k
    switch ((int)var_id) {
1403
0
        case gs_fapi_font_feature_UniqueID:
1404
0
            *ret = pfont->UID.id;
1405
0
            break;
1406
33.3k
        case gs_fapi_font_feature_BlueScale:
1407
33.3k
            *ret = (ulong) (pfont->data.BlueScale * 65536);
1408
33.3k
            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
5
        case gs_fapi_font_feature_TT_size:
1433
5
            code = true_type_size(ff->memory, pdr, ret);
1434
5
            break;
1435
33.3k
    }
1436
33.3k
    return code;
1437
33.3k
}
1438
1439
static int
1440
FAPI_FF_get_float(gs_fapi_font *ff, gs_fapi_font_feature var_id, int index, float *ret)
1441
199k
{
1442
199k
    gs_font_type1 *pfont1 = (gs_font_type1 *) ff->client_font_data;
1443
199k
    gs_font_base *pbfont = (gs_font_base *) ff->client_font_data2;
1444
199k
    ref *pdr = pfont_dict(pbfont);
1445
199k
    int code = 0;
1446
199k
    gs_fapi_server *I = pbfont->FAPI;
1447
1448
199k
    switch ((int)var_id) {
1449
199k
        case gs_fapi_font_feature_FontMatrix:
1450
199k
            {
1451
199k
                double FontMatrix_div;
1452
199k
                gs_matrix m, *mptr;
1453
1454
199k
                if (I && I->get_fontmatrix) {
1455
199k
                    FontMatrix_div = 1;
1456
199k
                    mptr = &m;
1457
199k
                    I->get_fontmatrix(I, mptr);
1458
199k
                }
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
199k
                switch (index) {
1466
33.3k
                    case 0:
1467
33.3k
                    default:
1468
33.3k
                        *ret = (mptr->xx / FontMatrix_div);
1469
33.3k
                        break;
1470
33.3k
                    case 1:
1471
33.3k
                        *ret = (mptr->xy / FontMatrix_div);
1472
33.3k
                        break;
1473
33.3k
                    case 2:
1474
33.3k
                        *ret = (mptr->yx / FontMatrix_div);
1475
33.3k
                        break;
1476
33.3k
                    case 3:
1477
33.3k
                        *ret = (mptr->yy / FontMatrix_div);
1478
33.3k
                        break;
1479
33.3k
                    case 4:
1480
33.3k
                        *ret = (mptr->tx / FontMatrix_div);
1481
33.3k
                        break;
1482
33.3k
                    case 5:
1483
33.3k
                        *ret = (mptr->ty / FontMatrix_div);
1484
33.3k
                        break;
1485
199k
                }
1486
199k
                break;
1487
199k
            }
1488
1489
199k
        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
199k
    }
1594
199k
    return code;
1595
199k
}
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
83.6k
{
1711
83.6k
    ushort state = 4330;
1712
1713
957k
    for (; l; s++, l--) {
1714
873k
        uchar c = (*s ^ (state >> 8));
1715
1716
873k
        state = (*s + state) * crypt_c1 + crypt_c2;
1717
873k
        if (lenIV > 0)
1718
334k
            lenIV--;
1719
539k
        else {
1720
539k
            *p = c;
1721
539k
            p++;
1722
539k
        }
1723
873k
    }
1724
83.6k
}
1725
1726
static int
1727
get_type1_data(gs_fapi_font *ff, const ref *type1string,
1728
               byte *buf, int buf_length)
1729
250k
{
1730
250k
    gs_font_type1 *pfont = (gs_font_type1 *) ff->client_font_data;
1731
250k
    int lenIV = max(pfont->data.lenIV, 0);
1732
250k
    int length = r_size(type1string) - (ff->need_decrypt ? lenIV : 0);
1733
1734
250k
    if (buf != 0) {
1735
83.6k
        int l = min(length, buf_length);        /*safety */
1736
1737
83.6k
        if (ff->need_decrypt && pfont->data.lenIV >= 0)
1738
83.6k
            decode_bytes(buf, type1string->value.const_bytes, l + lenIV,
1739
83.6k
                         lenIV);
1740
0
        else
1741
0
            memcpy(buf, type1string->value.const_bytes, l);
1742
83.6k
    }
1743
250k
    return length;
1744
250k
}
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
249k
{
1765
249k
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
1766
249k
    ref *Private, *Subrs, subr;
1767
1768
249k
    if (dict_find_string(pdr, "Private", &Private) <= 0)
1769
0
        return 0;
1770
249k
    if (dict_find_string(Private, "Subrs", &Subrs) <= 0)
1771
0
        return 0;
1772
249k
    if (array_get(ff->memory, Subrs, index, &subr) < 0
1773
249k
        || r_type(&subr) != t_string)
1774
0
        return 0;
1775
249k
    return (get_type1_data(ff, &subr, buf, buf_length));
1776
249k
}
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
343
{
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
343
    ref *pdr = pfont_dict(((gs_font_base *) ff->client_font_data2));
2032
2033
343
    int glyph_length;
2034
343
    i_ctx_t *i_ctx_p = (i_ctx_t *) ff->client_ctx_p;
2035
2036
343
    if (ff->is_type1) {
2037
343
        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
343
        else {
2047
343
            ref *CharStrings, *CFFCharStrings, char_name, *glyph;
2048
2049
343
            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
343
                if (name_ref(ff->memory, ff->char_data,
2056
343
                             ff->char_data_len, &char_name, -1) < 0)
2057
0
                    return gs_fapi_glyph_invalid_format;
2058
343
                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
310
                    ff->char_data = NULL;
2065
310
                }
2066
343
            }
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
343
            if (dict_find_string(pdr, "CharStrings", &CharStrings) <= 0)
2079
0
                return gs_fapi_glyph_invalid_format;
2080
2081
343
            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
343
            if (r_has_type(glyph, t_array) || r_has_type(glyph, t_mixedarray))
2091
0
                return gs_fapi_glyph_invalid_format;
2092
2093
343
            if (r_has_type(glyph, t_integer)
2094
343
                && 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
343
            if (!r_has_type(glyph, t_string))
2107
0
                return 0;
2108
343
            glyph_length = get_type1_data(ff, glyph, buf, buf_length);
2109
343
        }
2110
343
    }
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
343
    return glyph_length;
2216
343
}
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
304
{
2221
304
    ref glyph;
2222
304
    int code;
2223
304
    gs_font_base *pbfont = ((gs_font_base *) ff->client_font_data2);
2224
2225
304
    if (char_name->data != NULL) {
2226
304
        make_string(&glyph, avm_foreign | a_readonly, char_name->size, char_name->data);
2227
304
    }
2228
0
    else {
2229
0
        make_int(&glyph, cid);
2230
0
    }
2231
2232
304
    if (vertical) {
2233
0
        code = zchar_get_metrics2(pbfont, &glyph, m);
2234
0
    }
2235
304
    else {
2236
304
        code = zchar_get_metrics(pbfont, &glyph, m);
2237
304
    }
2238
2239
304
    make_null(&glyph);
2240
2241
304
    return (code);
2242
304
}
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
998
{
2304
998
    ref *pref;
2305
998
    int code;
2306
2307
998
    if ((code = dict_find_string(systemdict, ".xlatmap", &pref)) < 0)
2308
0
        return code;
2309
998
    if (code == 0)
2310
0
        return_error(gs_error_undefined);
2311
2312
998
    if (r_type(pref) != t_string)
2313
0
        return_error(gs_error_typecheck);
2314
998
    *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
998
    return 0;
2320
998
}
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
20.6k
{
2337
20.6k
    os_ptr op = osp;
2338
20.6k
    char *serv_name = NULL;
2339
20.6k
    ref name_ref;
2340
2341
20.6k
    check_op(1);
2342
20.6k
    if (r_has_type(op, t_name)) {
2343
10.3k
        name_string_ref(imemory, op, &name_ref);
2344
2345
10.3k
        serv_name =
2346
10.3k
            (char *) ref_to_string(&name_ref, imemory, "zFAPIavailable");
2347
10.3k
        if (!serv_name) {
2348
0
            return_error(gs_error_VMerror);
2349
0
        }
2350
10.3k
    }
2351
2352
20.6k
    make_bool(op, gs_fapi_available(imemory, serv_name));
2353
2354
20.6k
    if (serv_name) {
2355
10.3k
        gs_free_string(imemory, (byte *) serv_name,
2356
10.3k
                       strlen((char *)serv_name) + 1, "zFAPIavailable");
2357
10.3k
    }
2358
20.6k
    return (0);
2359
20.6k
}
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
16.6k
{
2365
16.6k
    ref *FAPIconfig, *options, *server_options;
2366
16.6k
    i_ctx_t *i_ctx_p = (i_ctx_t *) I->client_ctx_p;
2367
2368
16.6k
    if (dict_find_string(systemdict, ".FAPIconfig", &FAPIconfig) > 0
2369
16.6k
        && r_has_type(FAPIconfig, t_dictionary)) {
2370
16.6k
        if (dict_find_string(FAPIconfig, "ServerOptions", &options) > 0
2371
16.6k
            && r_has_type(options, t_dictionary)) {
2372
16.6k
            if (dict_find_string(options, (char *)subtype, &server_options) >
2373
16.6k
                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
16.6k
        }
2378
16.6k
    }
2379
16.6k
    return 1;
2380
16.6k
}
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
16.6k
{
2386
16.6k
    ref *pdr = op;              /* font dict */
2387
16.6k
    const char *decodingID = NULL;
2388
16.6k
    char *xlatmap = NULL;
2389
16.6k
    gs_font_base *pbfont = (gs_font_base *)pfont;
2390
16.6k
    gs_fapi_server *I = pbfont->FAPI;
2391
16.6k
    ref *Decoding_old;
2392
16.6k
    int code;
2393
2394
16.6k
    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
16.6k
    gs_fapi_set_servers_client_data(imemory, NULL, i_ctx_p);
2399
2400
16.6k
    code =
2401
16.6k
        gs_fapi_prepare_font(pfont, I, subfont, font_file_path,
2402
16.6k
                             NULL, xlatmap, &decodingID);
2403
16.6k
    if (code < 0)
2404
0
        return code;
2405
2406
16.6k
    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
16.6k
    if (decodingID != 0 && *decodingID
2452
16.6k
        && 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
16.6k
    return 0;
2494
16.6k
}
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
16.6k
{
2510
16.6k
    os_ptr op = osp;
2511
16.6k
    build_proc_refs build;
2512
16.6k
    gs_font *pfont;
2513
16.6k
    int code;
2514
16.6k
    gs_font_base *pbfont;
2515
16.6k
    ref *v;
2516
16.6k
    char *font_file_path = NULL;
2517
16.6k
    char FAPI_ID[20];
2518
16.6k
    const byte *pchars;
2519
16.6k
    uint len;
2520
16.6k
    font_data *pdata;
2521
16.6k
    gs_fapi_server *I;
2522
16.6k
    bool has_buildglyph;
2523
16.6k
    bool has_buildchar;
2524
16.6k
    int subfont;
2525
2526
16.6k
    check_op(3);
2527
16.6k
    code = font_param(op - 1, &pfont);
2528
16.6k
    if (code < 0)
2529
0
        return code;
2530
2531
16.6k
    pbfont = (gs_font_base *) pfont;
2532
2533
16.6k
    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
16.6k
    if (pbfont->FAPI == NULL) {
2539
15.6k
        if (dict_find_string(op - 1, "FAPI", &v) <= 0
2540
15.6k
            || !r_has_type(v, t_name))
2541
0
            return_error(gs_error_invalidfont);
2542
15.6k
        obj_string_data(imemory, v, &pchars, &len);
2543
15.6k
        len = min(len, sizeof(FAPI_ID) - 1);
2544
15.6k
        strncpy((char *)FAPI_ID, (const char *)pchars, len);
2545
15.6k
        FAPI_ID[len] = 0;
2546
2547
15.6k
        gs_fapi_set_servers_client_data(imemory, &ps_ff_stub, i_ctx_p);
2548
2549
15.6k
        code =
2550
15.6k
            gs_fapi_find_server(imemory, FAPI_ID,
2551
15.6k
                                (gs_fapi_server **) & (pbfont->FAPI), ps_get_server_param);
2552
15.6k
        if (!pbfont->FAPI || code < 0) {
2553
0
            return_error(gs_error_invalidfont);
2554
0
        }
2555
15.6k
    }
2556
2557
16.6k
    pdata = (font_data *) pfont->client_data;
2558
16.6k
    I = pbfont->FAPI;
2559
2560
16.6k
    if (dict_find_string((op - 1), "SubfontId", &v) > 0
2561
16.6k
        && r_has_type(v, t_integer))
2562
0
        subfont = v->value.intval;
2563
16.6k
    else
2564
16.6k
        subfont = 0;
2565
2566
2567
16.6k
    if (r_type(&(pdata->BuildGlyph)) != t_null) {
2568
16.6k
        has_buildglyph = true;
2569
16.6k
    }
2570
0
    else {
2571
0
        has_buildglyph = false;
2572
0
    }
2573
2574
16.6k
    if (r_type(&(pdata->BuildChar)) != t_null) {
2575
16.6k
        has_buildchar = true;
2576
16.6k
    }
2577
0
    else {
2578
0
        has_buildchar = false;
2579
0
    }
2580
2581
    /* This shouldn't happen, but just in case */
2582
16.6k
    if (has_buildglyph == false && has_buildchar == false) {
2583
0
        has_buildglyph = true;
2584
0
    }
2585
2586
16.6k
    if (dict_find_string(op - 1, "Path", &v) <= 0 || !r_has_type(v, t_string)) {
2587
16.6k
        v = NULL;
2588
16.6k
    }
2589
2590
16.6k
    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
16.6k
    else {
2597
16.6k
        if ((code = build_proc_name_refs(imemory, &build, ".FAPIBuildChar",
2598
16.6k
                                         ".FAPIBuildGlyph")) < 0) {
2599
0
            return code;
2600
0
        }
2601
16.6k
    }
2602
2603
16.6k
    if (!
2604
16.6k
        ((r_type(&(pdata->BuildChar)) != t_null
2605
16.6k
          && pdata->BuildChar.value.pname && build.BuildChar.value.pname
2606
16.6k
          && name_index(imemory, &pdata->BuildChar) == name_index(imemory,
2607
16.6k
                                                                  &build.
2608
16.6k
                                                                  BuildChar))
2609
16.6k
         || (r_type(&(pdata->BuildGlyph)) != t_null
2610
16.6k
             && pdata->BuildGlyph.value.pname && build.BuildGlyph.value.pname
2611
16.6k
             && name_index(imemory, &pdata->BuildGlyph) == name_index(imemory,
2612
16.6k
                                                                      &build.
2613
16.6k
                                                                      BuildGlyph))))
2614
16.6k
    {
2615
2616
16.6k
        if (has_buildchar == true) {
2617
16.6k
            ref_assign_new(&pdata->BuildChar, &build.BuildChar);
2618
16.6k
        }
2619
0
        else {
2620
0
            make_null(&pdata->BuildChar);
2621
0
        }
2622
2623
16.6k
        if (has_buildglyph == true) {
2624
16.6k
            ref_assign_new(&pdata->BuildGlyph, &build.BuildGlyph);
2625
16.6k
        }
2626
0
        else {
2627
0
            make_null(&pdata->BuildGlyph);
2628
0
        }
2629
16.6k
        if (v != NULL) {
2630
0
            font_file_path =
2631
0
                ref_to_string(v, imemory_global, "font file path");
2632
0
        }
2633
2634
16.6k
        code =
2635
16.6k
            FAPI_refine_font(i_ctx_p, op - 1, pfont, subfont,
2636
16.6k
                             font_file_path);
2637
2638
16.6k
        memcpy(&I->initial_FontMatrix, &pbfont->FontMatrix,
2639
16.6k
               sizeof(gs_matrix));
2640
2641
16.6k
        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
16.6k
    }
2646
16.6k
    pop(1);
2647
16.6k
    return code;
2648
16.6k
}
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
304
{
2692
304
    i_ctx_t *i_ctx_p = (i_ctx_t *) pbfont->FAPI->client_ctx_p;
2693
304
    op_proc_t exec_cont = 0;    /* dummy - see below */
2694
304
    int code = 0;
2695
2696
304
    if (cid < GS_MIN_CID_GLYPH) {
2697
304
        ref cname;
2698
2699
304
        make_string(&cname, avm_foreign | a_readonly, char_name->size,
2700
304
                    char_name->data);
2701
304
        code =
2702
304
            zchar_set_cache(i_ctx_p, pbfont, &cname, NULL, pwidth, pbbox,
2703
304
                            zfapi_finish_render, &exec_cont,
2704
304
                            Metrics2_sbw_default);
2705
304
    }
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
304
    if (code >= 0 && exec_cont != NULL) {
2716
13
        *imagenow = true;
2717
13
    }
2718
291
    else {
2719
291
        *imagenow = false;
2720
291
    }
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
304
    return (code);
2726
304
}
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
304
{
2749
304
    ref *pdr = pfont_dict(pbfont);
2750
304
    int client_char_code = ccode;
2751
304
    ref char_name, cname_str;
2752
304
    int code = 0;
2753
304
    gs_fapi_server *I = pbfont->FAPI;
2754
304
    bool is_TT_from_type42 = (pbfont->FontType == ft_TrueType && font_file_path == NULL);
2755
304
    bool is_glyph_index = false;
2756
304
    bool is_embedded_type1 =
2757
304
        ((pbfont->FontType == ft_encrypted
2758
304
          || pbfont->FontType == ft_encrypted2) && font_file_path == NULL);
2759
304
    i_ctx_t *i_ctx_p = (i_ctx_t *) I->client_ctx_p;
2760
304
    bool unicode_cp = false;
2761
2762
    /* Obtain the character name : */
2763
304
    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
304
    else {
2801
304
        if (ccode != GS_NO_CHAR) {
2802
            /* Translate from PS encoding to char name : */
2803
304
            ref *Encoding;
2804
2805
304
            client_char_code = ccode;
2806
304
            if (dict_find_string(pdr, "Encoding", &Encoding) > 0 &&
2807
304
                (r_has_type(Encoding, t_array) ||
2808
304
                 r_has_type(Encoding, t_shortarray)
2809
304
                 || r_has_type(Encoding, t_mixedarray))) {
2810
304
                if (array_get(imemory, Encoding, client_char_code, &char_name)
2811
304
                    < 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
304
            }
2817
0
            else {
2818
0
                return_error(gs_error_invalidfont);
2819
0
            }
2820
304
        }
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
304
        if (!r_has_type(&char_name, t_name))
2834
0
            return_error(gs_error_invalidfont);
2835
304
        name_string_ref(imemory, &char_name, &cname_str);
2836
304
        enc_char_name->data = cname_str.value.bytes;
2837
304
        enc_char_name->size = r_size(&cname_str);
2838
304
    }
2839
2840
    /* Obtain the character code or glyph index : */
2841
304
    cr->char_codes_count = 1;
2842
304
    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
304
    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
304
    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
304
        if (ccode != GS_NO_CHAR) {
3113
304
            cr->char_codes[0] = client_char_code;
3114
304
        }
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
304
    }
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
304
    if (!I->ff.is_cid && r_has_type(&char_name, t_name)) {
3219
304
        ref sname;
3220
3221
304
        name_string_ref(imemory, &char_name, &sname);
3222
304
        I->ff.char_data = sname.value.const_bytes;
3223
304
        I->ff.char_data_len = r_size(&sname);
3224
304
    }
3225
0
    else if (I->ff.is_type1) {
3226
0
        I->ff.char_data = charstring;
3227
0
    }
3228
3229
304
    cr->is_glyph_index = is_glyph_index;
3230
304
    cr->client_char_code = client_char_code;
3231
3232
304
    return (code);
3233
304
}
3234
3235
3236
static int
3237
FAPI_char(i_ctx_t *i_ctx_p, bool bBuildGlyph, ref *charstring)
3238
306
{                               /* Stack : <font> <code|name> --> - */
3239
306
    os_ptr op = osp;
3240
306
    ref *pdr = op - 1;
3241
306
    ref *v;
3242
306
    char *font_file_path = NULL;
3243
306
    gs_font *pfont;
3244
306
    int code;
3245
3246
306
    check_op(2);
3247
305
    code = font_param(osp - 1, &pfont);
3248
3249
305
    if (code == 0) {
3250
304
        gs_font_base *pbfont = (gs_font_base *) pfont;
3251
304
        bool bCID = (FAPI_ISCIDFONT(pbfont) || charstring != NULL);
3252
304
        int subfont;
3253
304
        gs_fapi_server *I = pbfont->FAPI;
3254
304
        gs_text_enum_t *penum = op_show_find(i_ctx_p);
3255
304
        gs_string char_string, *c_string_p = NULL;
3256
304
        gs_string char_name, *c_name_p = NULL;
3257
304
        gs_glyph cindex = GS_NO_CHAR;
3258
304
        ref gname;
3259
3260
304
        if (I == NULL)
3261
0
            return_error(gs_error_invalidfont);
3262
3263
        /* initialise the FAPI font, this includes language specific stuff */
3264
304
        I->ff = ps_ff_stub;
3265
3266
304
        I->client_ctx_p = i_ctx_p;
3267
3268
304
        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
304
        else {
3281
304
            int chint;
3282
304
            if (bBuildGlyph && pbfont->FontType == ft_CID_TrueType
3283
304
                && 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
304
            make_null(&gname);
3301
304
            check_type(*op, t_integer);
3302
304
            int_param(op, 0xFFFF, (int *)&chint);
3303
304
            cindex = chint;
3304
304
        }
3305
3306
304
        if (dict_find_string(pdr, "SubfontId", &v) > 0
3307
304
            && r_has_type(v, t_integer))
3308
0
            subfont = v->value.intval;
3309
304
        else
3310
304
            subfont = 0;
3311
3312
304
        if (dict_find_string(osp - 1, "Path", &v) > 0
3313
304
            && r_has_type(v, t_string)) {
3314
0
            font_file_path = ref_to_string(v, imemory, "font file path");
3315
0
        }
3316
3317
304
        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
304
        code =
3324
304
            gs_fapi_do_char(pfont, igs, penum, font_file_path,
3325
304
                            bBuildGlyph, c_string_p, c_name_p, (gs_char)cindex, cindex,
3326
304
                            subfont);
3327
304
        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
304
        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
304
    }
3353
    /* We've already imaged teh glyph, pop the operands */
3354
305
    if (code == 0)
3355
13
        pop(2);
3356
305
    return code;
3357
305
}
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
305
{
3434
305
    return FAPI_char(i_ctx_p, false, NULL);
3435
305
}
3436
3437
/* non-CID : <font> <code> .FAPIBuildGlyph - */
3438
/*     CID : <font> <name> .FAPIBuildGlyph - */
3439
static int
3440
zFAPIBuildGlyph(i_ctx_t *i_ctx_p)
3441
1
{
3442
1
    return FAPI_char(i_ctx_p, true, NULL);
3443
1
}
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
998
{
3451
998
    os_ptr op = osp;
3452
998
    gs_font *pfont;
3453
998
    int code;
3454
998
    char *font_file_path = NULL;
3455
998
    ref *v;
3456
998
    char *xlatmap = NULL;
3457
998
    char *fapi_request = NULL;
3458
998
    char *fapi_id = NULL;
3459
998
    ref reqstr;
3460
998
    int subfont;
3461
3462
998
    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
998
    check_type(*op, t_dictionary);
3468
3469
998
    code = font_param(osp, &pfont);
3470
998
    if (code < 0)
3471
0
        return code;
3472
3473
998
    if (dict_find_string(op, "SubfontId", &v) > 0
3474
998
        && r_has_type(v, t_integer))
3475
0
        subfont = v->value.intval;
3476
998
    else
3477
998
        subfont = 0;
3478
3479
998
    code = FAPI_get_xlatmap(i_ctx_p, &xlatmap); /* Useful for emulated fonts hooked with FAPI. */
3480
998
    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
998
    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
998
    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
998
    gs_fapi_set_servers_client_data(imemory, &ps_ff_stub, i_ctx_p);
3497
3498
998
    code =
3499
998
        gs_fapi_passfont(pfont, subfont, font_file_path, NULL, fapi_request, xlatmap,
3500
998
                         &fapi_id, NULL, ps_get_server_param);
3501
3502
998
    if (font_file_path != NULL)
3503
0
        gs_free_string(imemory_global, (byte *) font_file_path, r_size(v) + 1,
3504
998
                       "font file path");
3505
3506
998
    if (fapi_request != NULL)
3507
0
        gs_free_string(imemory, (byte *) fapi_request,
3508
998
                       strlen(fapi_request) + 1, "do_FAPIpassfont");
3509
998
    if (code < 0 && code != gs_error_invalidaccess)
3510
2
        return code;
3511
3512
996
    if (code >= 0 && fapi_id != NULL) {
3513
996
        ref FAPI_ID;
3514
3515
996
        if ((code =
3516
996
             name_ref(imemory, (const byte *)fapi_id,
3517
996
                      strlen(fapi_id), &FAPI_ID, false)) < 0)
3518
0
            return code;
3519
996
        if ((code = dict_put_string(op, "FAPI", &FAPI_ID, NULL)) < 0)
3520
0
            return code;        /* Insert FAPI entry to font dictionary. */
3521
996
    }
3522
996
    push(1);
3523
996
    make_bool(op, (fapi_id != NULL));
3524
996
    return 0;
3525
996
}
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
};