Coverage Report

Created: 2025-06-10 07:27

/src/ghostpdl/pdf/pdf_font11.c
Line
Count
Source (jump to first uncovered line)
1
/* Copyright (C) 2020-2025 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
/* code for CIDFontType2/Type 9 font handling */
17
/* CIDFonts with Truetype outlines */
18
19
#include "pdf_int.h"
20
#include "pdf_font.h"
21
#include "pdf_font0.h"
22
#include "pdf_fontTT.h"
23
#include "pdf_font_types.h"
24
#include "pdf_stack.h"
25
#include "pdf_file.h"
26
#include "pdf_dict.h"
27
#include "pdf_array.h"
28
#include "pdf_deref.h"
29
#include "gxfont42.h"
30
#include "gxfcid.h"
31
#include "gsutil.h"        /* For gs_next_ids() */
32
33
static int pdfi_cidtype2_string_proc(gs_font_type42 * pfont, ulong offset, uint length,
34
                  const byte ** pdata)
35
27.5M
{
36
27.5M
    pdf_cidfont_type2 *ttfont = (pdf_cidfont_type2 *)pfont->client_data;
37
27.5M
    int code = 0;
38
39
27.5M
    if (offset + length > ttfont->sfnt->length) {
40
239k
        *pdata = NULL;
41
239k
        code = gs_note_error(gs_error_invalidfont);
42
239k
    }
43
27.2M
    else {
44
27.2M
        *pdata = ttfont->sfnt->data + offset;
45
27.2M
    }
46
27.5M
    return code;
47
27.5M
}
48
49
static int pdfi_cidtype2_CIDMap_proc(gs_font_cid2 *pfont, gs_glyph glyph)
50
0
{
51
0
    pdf_cidfont_type2 *pdffont11 = (pdf_cidfont_type2 *)pfont->client_data;
52
0
    uint gid = glyph - GS_MIN_CID_GLYPH;
53
0
    int code = 0;
54
55
0
    if (pdffont11->substitute == true) {
56
0
        unsigned int ucc = 0;
57
0
        int code = pfont->procs.decode_glyph((gs_font *)pfont, glyph, -1, NULL, 0);
58
0
        if (code == 2) {
59
0
            uchar sccode[2] = {0};
60
0
            (void)pfont->procs.decode_glyph((gs_font *)pfont, glyph, -1, (ushort *)&sccode, 2);
61
0
            ucc = (sccode[0] << 8) + sccode[1];
62
0
        }
63
0
        else if (code == 4) {
64
0
            uchar iccode[4] = {0};
65
0
            (void)pfont->procs.decode_glyph((gs_font *)pfont, glyph, -1, (ushort *)&iccode, 2);
66
0
            ucc = (iccode[0] << 24) + (iccode[1] << 16) + (iccode[2] << 8) + iccode[3];
67
68
0
        }
69
0
        if (code == 2 || code == 4) {
70
0
            code = pdfi_fapi_check_cmap_for_GID((gs_font *)pfont, (unsigned int)ucc, &gid);
71
0
            if (code < 0 || gid == 0)
72
0
                gid = glyph - GS_MIN_CID_GLYPH;
73
0
        }
74
0
    }
75
76
0
    if (code == 0 && pdffont11->cidtogidmap != NULL && pdffont11->cidtogidmap->length > (gid << 1) + 1) {
77
0
       gid = pdffont11->cidtogidmap->data[gid << 1] << 8 | pdffont11->cidtogidmap->data[(gid << 1) + 1];
78
0
    }
79
80
0
    return (int)gid;
81
0
}
82
83
static uint pdfi_cidtype2_get_glyph_index(gs_font_type42 *pfont, gs_glyph glyph)
84
0
{
85
0
    pdf_cidfont_type2 *pdffont11 = (pdf_cidfont_type2 *)pfont->client_data;
86
0
    uint gid = glyph - GS_MIN_CID_GLYPH;
87
0
    int code = 0;
88
89
0
    if (glyph < GS_MIN_CID_GLYPH) {
90
0
        gid = 0;
91
0
    }
92
0
    else {
93
0
        if (glyph < GS_MIN_GLYPH_INDEX) {
94
0
            if (pdffont11->substitute == true) {
95
0
                unsigned int ucc = 0;
96
0
                code = pfont->procs.decode_glyph((gs_font *)pfont, glyph, -1, NULL, 0);
97
0
                if (code == 2) {
98
0
                    uchar sccode[2] = {0};
99
0
                    (void)pfont->procs.decode_glyph((gs_font *)pfont, glyph, -1, (ushort *)&sccode, 2);
100
0
                    ucc = (sccode[0] << 8) + sccode[1];
101
0
                }
102
0
                else if (code == 4) {
103
0
                    uchar iccode[4] = {0};
104
0
                    (void)pfont->procs.decode_glyph((gs_font *)pfont, glyph, -1, (ushort *)&iccode, 2);
105
0
                    ucc = (iccode[0] << 24) + (iccode[1] << 16) + (iccode[2] << 8) + iccode[3];
106
107
0
                }
108
0
                if (code == 2 || code == 4) {
109
0
                    code = pdfi_fapi_check_cmap_for_GID((gs_font *)pfont, (unsigned int)ucc, &gid);
110
0
                    if (code < 0 || gid == 0)
111
0
                        gid = glyph - GS_MIN_CID_GLYPH;
112
0
                }
113
0
            }
114
115
0
            if (code == 0 && pdffont11->cidtogidmap != NULL && pdffont11->cidtogidmap->length > (gid << 1) + 1) {
116
0
               gid = pdffont11->cidtogidmap->data[gid << 1] << 8 | pdffont11->cidtogidmap->data[(gid << 1) + 1];
117
0
            }
118
0
        }
119
0
    }
120
121
0
    return gid;
122
0
}
123
124
static int
125
pdfi_cidtype2_glyph_info(gs_font *font, gs_glyph glyph, const gs_matrix *pmat,
126
                     int members, gs_glyph_info_t *info)
127
0
{
128
0
    int code;
129
0
    pdf_cidfont_type2 *pdffont11 = (pdf_cidfont_type2 *)font->client_data;
130
0
    int submembers = members & ~(GLYPH_INFO_WIDTHS | GLYPH_INFO_VVECTOR0 | GLYPH_INFO_VVECTOR1 | GLYPH_INFO_CDEVPROC);
131
132
    /* Call with the values we should get below removed from the "members" request */
133
0
    code = (*pdffont11->orig_glyph_info)(font, glyph, pmat, submembers, info);
134
135
0
    if (code >= 0 && (members & GLYPH_INFO_WIDTHS) != 0
136
0
      && glyph > GS_MIN_CID_GLYPH
137
0
      && glyph < GS_MIN_GLYPH_INDEX) {
138
0
        double widths[6] = {0};
139
0
        code = pdfi_get_cidfont_glyph_metrics(font, (glyph - GS_MIN_CID_GLYPH), widths, true);
140
0
        if (code < 0) {
141
             /* If we couldn't get values back from W/W2, give up, and fill everything in from glyph_info */
142
0
             code = (*pdffont11->orig_glyph_info)(font, glyph, pmat, members, info);
143
0
        }
144
0
        else {
145
0
            if (pmat == NULL) {
146
0
                info->width[0].x = widths[GLYPH_W0_WIDTH_INDEX] / 1000.0;
147
0
                info->width[0].y = widths[GLYPH_W0_HEIGHT_INDEX] / 1000.0;
148
0
            }
149
0
            else {
150
0
                code = gs_point_transform(widths[GLYPH_W0_WIDTH_INDEX] / 1000.0, widths[GLYPH_W0_HEIGHT_INDEX] / 1000.0, pmat, &info->width[0]);
151
0
                if (code < 0)
152
0
                    return code;
153
0
            }
154
0
            info->members |= GLYPH_INFO_WIDTH0;
155
156
0
            if ((members & GLYPH_INFO_WIDTH1) != 0
157
0
                && (widths[GLYPH_W1_WIDTH_INDEX] != 0
158
0
                || widths[GLYPH_W1_HEIGHT_INDEX] != 0)) {
159
0
                if (pmat == NULL) {
160
0
                    info->width[1].x = widths[GLYPH_W1_WIDTH_INDEX] / 1000.0;
161
0
                    info->width[1].y = widths[GLYPH_W1_HEIGHT_INDEX] / 1000.0;
162
0
                }
163
0
                else {
164
0
                    code = gs_point_transform(widths[GLYPH_W1_WIDTH_INDEX] / 1000.0, widths[GLYPH_W1_HEIGHT_INDEX] / 1000.0, pmat, &info->width[1]);
165
0
                    if (code < 0)
166
0
                        return code;
167
0
                }
168
0
                info->members |= GLYPH_INFO_WIDTH1;
169
0
            }
170
0
            if ((members & GLYPH_INFO_VVECTOR1) != 0) {
171
0
                if (pmat == NULL) {
172
0
                    info->v.x = widths[GLYPH_W1_V_X_INDEX] / 1000.0;
173
0
                    info->v.y = widths[GLYPH_W1_V_Y_INDEX] / 1000.0;
174
0
                }
175
0
                else {
176
0
                    code = gs_point_transform(widths[GLYPH_W1_V_X_INDEX] / 1000.0, widths[GLYPH_W1_V_Y_INDEX] / 1000.0, pmat, &info->v);
177
0
                    if (code < 0)
178
0
                        return code;
179
0
                }
180
0
                info->members |= GLYPH_INFO_VVECTOR1;
181
0
            }
182
0
        }
183
0
    }
184
185
0
    return code;
186
0
}
187
188
static int
189
pdfi_cidtype2_enumerate_glyph(gs_font *font, int *pindex,
190
                         gs_glyph_space_t glyph_space, gs_glyph *pglyph)
191
0
{
192
0
    int code = 0;
193
0
    gs_font_cid2 *cid2 = (gs_font_cid2 *)font;
194
0
    pdf_cidfont_type2 *pdffont11 = (pdf_cidfont_type2 *)font->client_data;
195
0
    *pglyph = 0;
196
197
0
    if (*pindex <= 0)
198
0
        *pindex = 0;
199
200
0
    if (pdffont11->cidtogidmap != NULL && pdffont11->cidtogidmap->length > 0) {
201
0
        do {
202
0
            *pglyph = pdffont11->cidtogidmap->data[(*pindex) << 1] << 8 | pdffont11->cidtogidmap->data[((*pindex) << 1) + 1];
203
0
            (*pindex)++;
204
0
            if (*pglyph == 0 && *pindex == 1) /* notdef - special case */
205
0
                break;
206
0
        } while (*pglyph == 0 && ((*pindex) << 1) < pdffont11->cidtogidmap->length);
207
208
0
        if (((*pindex) << 1) >= pdffont11->cidtogidmap->length) {
209
0
            *pindex = 0;
210
0
        }
211
0
        else {
212
0
            if (*pglyph != 0 || (*pglyph == 0 && *pindex == 1)) {
213
0
                if (glyph_space == GLYPH_SPACE_INDEX) {
214
0
                    *pglyph += GS_MIN_GLYPH_INDEX;
215
0
                }
216
0
                else {
217
0
                    *pglyph = (*pindex) + GS_MIN_CID_GLYPH;
218
0
                }
219
0
            }
220
0
        }
221
0
    }
222
0
    else {
223
0
        if (*pindex < cid2->cidata.common.CIDCount) {
224
0
           if (glyph_space == GLYPH_SPACE_INDEX) {
225
0
               *pglyph = *pindex + GS_MIN_GLYPH_INDEX;
226
0
           }
227
0
           else {
228
0
               *pglyph = (*pindex) + GS_MIN_CID_GLYPH;
229
0
           }
230
0
        }
231
0
        else {
232
0
            *pindex = 0;
233
0
        }
234
0
    }
235
236
0
    return code;
237
0
}
238
239
static void pdfi_set_cidtype2_custom_procs(pdf_cidfont_type2 *pdfttfont)
240
1.08k
{
241
1.08k
    gs_font_type42 *pfont = (gs_font_type42 *)pdfttfont->pfont;
242
1.08k
    pdfttfont->default_font_info = pfont->procs.font_info;
243
1.08k
    pfont->procs.font_info = pdfi_default_font_info;
244
1.08k
}
245
246
static int
247
pdfi_alloc_cidtype2_font(pdf_context *ctx, pdf_cidfont_type2 **font, bool is_cid)
248
1.25k
{
249
1.25k
    pdf_cidfont_type2 *ttfont = NULL;
250
1.25k
    gs_font_cid2 *pfont = NULL;
251
252
1.25k
    ttfont = (pdf_cidfont_type2 *)gs_alloc_bytes(ctx->memory, sizeof(pdf_cidfont_type2), "pdfi (cidtype2 pdf_font)");
253
1.25k
    if (ttfont == NULL)
254
0
        return_error(gs_error_VMerror);
255
256
1.25k
    memset(ttfont, 0x00, sizeof(pdf_cidfont_type2));
257
1.25k
    ttfont->type = PDF_FONT;
258
1.25k
    ttfont->ctx = ctx;
259
1.25k
    ttfont->pdfi_font_type = e_pdf_cidfont_type2;
260
261
#if REFCNT_DEBUG
262
    ttfont->UID = ctx->UID++;
263
    outprintf(ctx->memory, "Allocated object of type %c with UID %"PRIi64"\n", ttfont->type, ttfont->UID);
264
#endif
265
266
1.25k
    pdfi_countup(ttfont);
267
268
1.25k
    pfont = (gs_font_cid2 *)gs_alloc_struct(ctx->memory, gs_font_cid2, &st_gs_font_cid2,
269
1.25k
                            "pdfi (cidtype2 pfont)");
270
1.25k
    if (pfont == NULL) {
271
0
        pdfi_countdown(ttfont);
272
0
        return_error(gs_error_VMerror);
273
0
    }
274
1.25k
    memset(pfont, 0x00, sizeof(gs_font_cid2));
275
276
1.25k
    ttfont->pfont = (gs_font_base *)pfont;
277
278
1.25k
    gs_make_identity(&pfont->orig_FontMatrix);
279
1.25k
    gs_make_identity(&pfont->FontMatrix);
280
1.25k
    pfont->next = pfont->prev = 0;
281
1.25k
    pfont->memory = ctx->memory;
282
1.25k
    pfont->dir = ctx->font_dir;
283
1.25k
    pfont->is_resource = false;
284
1.25k
    gs_notify_init(&pfont->notify_list, ctx->memory);
285
1.25k
    pfont->base = (gs_font *) ttfont->pfont;
286
1.25k
    pfont->client_data = ttfont;
287
1.25k
    pfont->WMode = 0;
288
1.25k
    pfont->PaintType = 0;
289
1.25k
    pfont->StrokeWidth = 0;
290
1.25k
    pfont->is_cached = 0;
291
1.25k
    pfont->FAPI = NULL;
292
1.25k
    pfont->FAPI_font_data = NULL;
293
1.25k
    pfont->procs.init_fstack = gs_default_init_fstack;
294
1.25k
    pfont->procs.next_char_glyph = gs_default_next_char_glyph;
295
1.25k
    pfont->FontType = ft_CID_TrueType;
296
1.25k
    pfont->ExactSize = fbit_use_outlines;
297
1.25k
    pfont->InBetweenSize = fbit_use_outlines;
298
1.25k
    pfont->TransformedChar = fbit_use_outlines;
299
    /* We may want to do something clever with an XUID here */
300
1.25k
    pfont->id = gs_next_ids(ctx->memory, 1);
301
1.25k
    uid_set_UniqueID(&pfont->UID, pfont->id);
302
    /* The buildchar proc will be filled in by FAPI -
303
       we won't worry about working without FAPI */
304
1.25k
    pfont->procs.encode_char = pdfi_encode_char;
305
1.25k
    pfont->data.string_proc = pdfi_cidtype2_string_proc;
306
1.25k
    pfont->procs.glyph_name = ctx->get_glyph_name;
307
1.25k
    pfont->procs.decode_glyph = pdfi_cidfont_decode_glyph;
308
1.25k
    pfont->procs.define_font = gs_no_define_font;
309
1.25k
    pfont->procs.make_font = gs_no_make_font;
310
311
1.25k
    ttfont->default_font_info = gs_default_font_info;
312
1.25k
    pfont->procs.font_info = pdfi_default_font_info;
313
314
1.25k
    pfont->procs.glyph_info = gs_default_glyph_info;
315
1.25k
    pfont->procs.glyph_outline = gs_no_glyph_outline;
316
1.25k
    pfont->procs.build_char = NULL;
317
1.25k
    pfont->procs.same_font = gs_default_same_font;
318
1.25k
    pfont->procs.enumerate_glyph = gs_no_enumerate_glyph;
319
320
1.25k
    pfont->encoding_index = ENCODING_INDEX_UNKNOWN;
321
1.25k
    pfont->nearest_encoding_index = ENCODING_INDEX_UNKNOWN;
322
323
1.25k
    cid_system_info_set_null(&pfont->cidata.common.CIDSystemInfo);
324
1.25k
    pfont->cidata.common.CIDCount = 0; /* set later */
325
1.25k
    pfont->cidata.common.GDBytes = 2; /* not used */
326
1.25k
    pfont->cidata.MetricsCount = 0;
327
1.25k
    pfont->cidata.CIDMap_proc = pdfi_cidtype2_CIDMap_proc;
328
329
1.25k
    pfont->client_data = (void *)ttfont;
330
331
1.25k
    *font = ttfont;
332
1.25k
    return 0;
333
1.25k
}
334
335
int pdfi_read_cidtype2_font(pdf_context *ctx, pdf_dict *font_dict, pdf_dict *stream_dict, pdf_dict *page_dict, byte *buf, int64_t buflen, int findex, pdf_font **ppfont)
336
1.60k
{
337
1.60k
    pdf_cidfont_type2 *font;
338
1.60k
    int code = 0;
339
1.60k
    pdf_obj *fontdesc = NULL;
340
1.60k
    pdf_obj *obj = NULL;
341
1.60k
    gs_font_cid2 *cid2;
342
343
1.60k
    if (ppfont == NULL)
344
0
        return_error(gs_error_invalidaccess);
345
346
1.60k
    *ppfont = NULL;
347
348
1.60k
    code = pdfi_dict_knownget_type(ctx, font_dict, "FontDescriptor", PDF_DICT, &fontdesc);
349
1.60k
    if (code <= 0) {
350
        /* We own the buffer now, so we must free it on error */
351
343
        gs_free_object(ctx->memory, buf, "pdfi_read_cidtype2_font");
352
343
        return_error(gs_error_invalidfont);
353
343
    }
354
355
1.25k
    if ((code = pdfi_alloc_cidtype2_font(ctx, &font, false)) < 0) {
356
        /* We own the buffer now, so we must free it on error */
357
0
        gs_free_object(ctx->memory, buf, "pdfi_read_cidtype2_font");
358
0
        pdfi_countdown(fontdesc);
359
0
        return code;
360
0
    }
361
1.25k
    font->PDF_font = font_dict;
362
1.25k
    pdfi_countup(font_dict);
363
1.25k
    font->object_num = font_dict->object_num;
364
1.25k
    font->generation_num = font_dict->generation_num;
365
1.25k
    font->indirect_num = font_dict->indirect_num;
366
1.25k
    font->indirect_gen = font_dict->indirect_gen;
367
368
1.25k
    font->FontDescriptor = (pdf_dict *)fontdesc;
369
1.25k
    fontdesc = NULL;
370
371
1.25k
    code = pdfi_object_alloc(ctx, PDF_BUFFER, 0, (pdf_obj **)&font->sfnt);
372
1.25k
    if (code < 0) {
373
0
        goto error;
374
0
    }
375
1.25k
    pdfi_countup(font->sfnt);
376
1.25k
    code = pdfi_buffer_set_data((pdf_obj *)font->sfnt, buf, buflen);
377
1.25k
    if (code < 0) {
378
0
        goto error;
379
0
    }
380
1.25k
    buf = NULL;
381
382
    /* Strictly speaking BaseFont is required, but we can continue without one */
383
1.25k
    code = pdfi_dict_knownget_type(ctx, font_dict, "BaseFont", PDF_NAME, (pdf_obj **)&obj);
384
1.25k
    if (code > 0) {
385
1.24k
        pdf_name *nobj = (pdf_name *)obj;
386
1.24k
        int nlen = nobj->length > gs_font_name_max ? gs_font_name_max : nobj->length;
387
388
1.24k
        memcpy(font->pfont->key_name.chars, nobj->data, nlen);
389
1.24k
        font->pfont->key_name.chars[nlen] = 0;
390
1.24k
        font->pfont->key_name.size = nlen;
391
1.24k
        memcpy(font->pfont->font_name.chars, nobj->data, nlen);
392
1.24k
        font->pfont->font_name.chars[nlen] = 0;
393
1.24k
        font->pfont->font_name.size = nlen;
394
1.24k
        pdfi_countdown(obj);
395
1.24k
        obj = NULL;
396
1.24k
    }
397
398
1.25k
    code = pdfi_dict_knownget_number(ctx, font_dict, "DW", &font->DW);
399
1.25k
    if (code <= 0) {
400
239
        font->DW = 1000;
401
239
    }
402
403
1.25k
    code = pdfi_dict_knownget_type(ctx, font_dict, "DW2", PDF_ARRAY, (pdf_obj **)&obj);
404
1.25k
    if (code > 0) {
405
7
        font->DW2 = (pdf_array *)obj;
406
7
        obj = NULL;
407
7
    }
408
1.25k
    else {
409
1.25k
        font->DW2 = NULL;
410
1.25k
    }
411
1.25k
    code = pdfi_dict_knownget_type(ctx, font_dict, "W", PDF_ARRAY, (pdf_obj **)&obj);
412
1.25k
    if (code > 0) {
413
1.08k
        font->W = (pdf_array *)obj;
414
1.08k
        obj = NULL;
415
1.08k
    }
416
170
    else {
417
170
        font->W = NULL;
418
170
    }
419
1.25k
    code = pdfi_dict_knownget_type(ctx, font_dict, "W2", PDF_ARRAY, (pdf_obj **)&obj);
420
1.25k
    if (code > 0) {
421
0
        font->W2 = (pdf_array *)obj;
422
0
        obj = NULL;
423
0
    }
424
1.25k
    else {
425
1.25k
        font->W2 = NULL;
426
1.25k
    }
427
428
1.25k
    code = pdfi_dict_knownget(ctx, font_dict, "CIDToGIDMap", (pdf_obj **)&obj);
429
1.25k
    if (code > 0) {
430
        /* CIDToGIDMap can only be a stream or a name, and if it's a name
431
           it's only permitted to be "/Identity", so ignore it
432
         */
433
820
        if (pdfi_type_of(obj) == PDF_STREAM) {
434
199
            byte *d;
435
199
            int64_t sz = 0;
436
437
199
            code = pdfi_object_alloc(ctx, PDF_BUFFER, 0, (pdf_obj **)&font->cidtogidmap);
438
199
            if (code < 0) {
439
0
                goto error;
440
0
            }
441
199
            pdfi_countup(font->cidtogidmap);
442
199
            code = pdfi_stream_to_buffer(ctx, (pdf_stream *)obj, &d, &sz);
443
199
            if (code < 0) {
444
0
                goto error;
445
0
            }
446
199
            code = pdfi_buffer_set_data((pdf_obj *)font->cidtogidmap, d, (int32_t)sz);
447
199
            if (code < 0) {
448
0
                goto error;
449
0
            }
450
199
        }
451
820
        pdfi_countdown(obj);
452
820
        obj = NULL;
453
820
    }
454
455
1.25k
    cid2 = (gs_font_cid2 *)font->pfont;
456
457
1.25k
    code = pdfi_dict_knownget_type(ctx, font_dict, "CIDSystemInfo", PDF_DICT, (pdf_obj **)&obj);
458
1.25k
    if (code <= 0) {
459
32
        cid2->cidata.common.CIDSystemInfo.Registry.data = NULL;
460
32
        cid2->cidata.common.CIDSystemInfo.Registry.size = 0;
461
32
        cid2->cidata.common.CIDSystemInfo.Ordering.data = NULL;
462
32
        cid2->cidata.common.CIDSystemInfo.Ordering.size = 0;
463
32
    }
464
1.22k
    else {
465
1.22k
        pdf_num *suppl = NULL;
466
467
1.22k
        code = pdfi_dict_knownget_type(ctx, (pdf_dict *)obj, "Registry", PDF_STRING, (pdf_obj **)&font->registry);
468
1.22k
        if (code <= 0) {
469
2
            cid2->cidata.common.CIDSystemInfo.Registry.data = NULL;
470
2
            cid2->cidata.common.CIDSystemInfo.Registry.size = 0;
471
2
        }
472
1.22k
        else {
473
1.22k
            cid2->cidata.common.CIDSystemInfo.Registry.data = font->registry->data;
474
1.22k
            cid2->cidata.common.CIDSystemInfo.Registry.size = font->registry->length;
475
1.22k
        }
476
1.22k
        code = pdfi_dict_knownget_type(ctx, (pdf_dict *)obj, "Ordering", PDF_STRING, (pdf_obj **)&font->ordering);
477
1.22k
        if (code <= 0) {
478
2
            cid2->cidata.common.CIDSystemInfo.Ordering.data = NULL;
479
2
            cid2->cidata.common.CIDSystemInfo.Ordering.size = 0;
480
2
        }
481
1.22k
        else {
482
1.22k
            cid2->cidata.common.CIDSystemInfo.Ordering.data = font->ordering->data;
483
1.22k
            cid2->cidata.common.CIDSystemInfo.Ordering.size = font->ordering->length;
484
1.22k
        }
485
1.22k
        code = pdfi_dict_knownget_type(ctx, (pdf_dict *)obj, "Supplement", PDF_INT, (pdf_obj **)&suppl);
486
1.22k
        if (code <= 0) {
487
7
            cid2->cidata.common.CIDSystemInfo.Supplement = font->supplement = 0;
488
7
        }
489
1.21k
        else {
490
1.21k
            cid2->cidata.common.CIDSystemInfo.Supplement = font->supplement = suppl->value.i;
491
1.21k
        }
492
1.22k
        pdfi_countdown(suppl);
493
1.22k
    }
494
1.25k
    pdfi_countdown(obj);
495
1.25k
    obj = NULL;
496
497
498
1.25k
    code = gs_type42_font_init((gs_font_type42 *)font->pfont, findex);
499
1.25k
    if (code < 0) {
500
176
        goto error;
501
176
    }
502
1.08k
    pdfi_set_cidtype2_custom_procs(font);
503
504
1.08k
    if (uid_is_XUID(&font->pfont->UID))
505
1.08k
        uid_free(&font->pfont->UID, font->pfont->memory, "pdfi_read_type1_font");
506
1.08k
    uid_set_invalid(&font->pfont->UID);
507
1.08k
    font->pfont->id = gs_next_ids(ctx->memory, 1);
508
509
1.08k
    code = pdfi_font_generate_pseudo_XUID(ctx, font_dict, font->pfont);
510
1.08k
    if (code < 0)
511
0
        goto error;
512
513
514
1.08k
    font->orig_glyph_info = font->pfont->procs.glyph_info;
515
1.08k
    font->pfont->procs.glyph_info = pdfi_cidtype2_glyph_info;
516
1.08k
    font->pfont->procs.enumerate_glyph = pdfi_cidtype2_enumerate_glyph;
517
518
1.08k
    if (font->cidtogidmap != NULL) {
519
173
        gs_font_cid2 *cid2 = (gs_font_cid2 *)font->pfont;
520
173
        if (cid2->data.numGlyphs > font->cidtogidmap->length >> 1)
521
33
            cid2->cidata.common.CIDCount = cid2->data.numGlyphs;
522
140
        else {
523
140
            cid2->cidata.common.CIDCount = font->cidtogidmap->length >> 1;
524
140
        }
525
173
        cid2->cidata.common.MaxCID = cid2->cidata.common.CIDCount;
526
173
    }
527
908
    else {
528
908
        gs_font_cid2 *cid2 = (gs_font_cid2 *)font->pfont;
529
908
        cid2->cidata.common.CIDCount = cid2->data.numGlyphs;
530
908
        cid2->cidata.common.MaxCID = cid2->cidata.common.CIDCount;
531
908
    }
532
1.08k
    cid2->data.substitute_glyph_index_vertical = gs_type42_substitute_glyph_index_vertical;
533
1.08k
    cid2->cidata.orig_procs.get_outline = cid2->data.get_outline;
534
1.08k
    cid2->data.get_glyph_index = pdfi_cidtype2_get_glyph_index;
535
536
1.08k
    pdfi_font_set_orig_fonttype(ctx, (pdf_font *)font);
537
1.08k
    code = gs_definefont(ctx->font_dir, (gs_font *)font->pfont);
538
1.08k
    if (code < 0) {
539
0
        goto error;
540
0
    }
541
542
1.08k
    code = pdfi_fapi_passfont((pdf_font *)font, findex, NULL, NULL, font->sfnt->data, font->sfnt->length);
543
1.08k
    if (code < 0) {
544
35
        goto error;
545
35
    }
546
547
    /* object_num can be zero if the dictionary was defined inline */
548
1.04k
    if (font->object_num != 0) {
549
990
        (void)replace_cache_entry(ctx, (pdf_obj *)font);
550
990
    }
551
552
1.04k
    *ppfont = (pdf_font *)font;
553
1.04k
    return code;
554
211
error:
555
211
    pdfi_countdown(obj);
556
211
    obj = NULL;
557
211
    if (pdfi_dict_get(ctx, font_dict, ".Path", &obj) >= 0)
558
0
    {
559
0
        char fname[gp_file_name_sizeof + 1];
560
0
        pdf_string *fobj = (pdf_string *)obj;
561
562
0
        memcpy(fname, fobj->data, fobj->length > gp_file_name_sizeof ? gp_file_name_sizeof : fobj->length);
563
0
        fname[fobj->length > gp_file_name_sizeof ? gp_file_name_sizeof : fobj->length] = '\0';
564
565
0
        (void)pdfi_set_error_var(ctx, code, NULL, E_PDF_BADSTREAM, "pdfi_read_cidtype2_font", "Error reading CIDType2/TrueType font file %s\n", fname);
566
0
    }
567
211
    else {
568
211
        (void)pdfi_set_error_var(ctx, code, NULL, E_PDF_BADSTREAM, "pdfi_read_cidtype2_font", "Error reading embedded CIDType2/TrueType font object %u\n", font_dict->object_num);
569
211
    }
570
571
211
    pdfi_countdown(obj);
572
211
    pdfi_countdown(font);
573
211
    return code;
574
1.08k
}
575
576
int pdfi_free_font_cidtype2(pdf_obj *font)
577
1.25k
{
578
1.25k
    pdf_cidfont_type2 *pdfcidf = (pdf_cidfont_type2 *)font;
579
1.25k
    gs_font_cid2 *pfont = (gs_font_cid2 *)pdfcidf->pfont;
580
1.25k
    gs_free_object(OBJ_MEMORY(pdfcidf), pfont, "pdfi_free_font_cidtype2(pfont)");
581
582
1.25k
    pdfi_countdown(pdfcidf->cidtogidmap);
583
584
1.25k
    pdfi_countdown(pdfcidf->sfnt);
585
1.25k
    pdfi_countdown(pdfcidf->PDF_font);
586
1.25k
    pdfi_countdown(pdfcidf->BaseFont);
587
1.25k
    pdfi_countdown(pdfcidf->FontDescriptor);
588
1.25k
    pdfi_countdown(pdfcidf->W);
589
1.25k
    pdfi_countdown(pdfcidf->DW2);
590
1.25k
    pdfi_countdown(pdfcidf->W2);
591
1.25k
    pdfi_countdown(pdfcidf->registry);
592
1.25k
    pdfi_countdown(pdfcidf->ordering);
593
1.25k
    pdfi_countdown(pdfcidf->filename);
594
1.25k
    pdfi_countdown(pdfcidf->copyright);
595
1.25k
    pdfi_countdown(pdfcidf->notice);
596
1.25k
    pdfi_countdown(pdfcidf->fullname);
597
1.25k
    pdfi_countdown(pdfcidf->familyname);
598
599
1.25k
    gs_free_object(OBJ_MEMORY(pdfcidf), pdfcidf, "pdfi_free_font_cidtype2(pdfcidf)");
600
1.25k
return 0;
601
602
0
    return 0;
603
1.25k
}