1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
|
/* Copyright (C) 2001-2021 Artifex Software, Inc.
All Rights Reserved.
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied,
modified or distributed except as expressly authorized under the terms
of the license contained in the file LICENSE in this distribution.
Refer to licensing information at http://www.artifex.com or contact
Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
CA 94945, U.S.A., +1(415)492-9861, for further information.
*/
/* Command list document- and page-level code. */
#include "memory_.h"
#include "string_.h"
#include "gx.h"
#include "gp.h"
#include "gpcheck.h"
#include "gserrors.h"
#include "gxdevice.h"
#include "gxdevmem.h" /* must precede gxcldev.h */
#include "gxcldev.h"
#include "gxclpath.h"
#include "gsparams.h"
#include "gxdcolor.h"
#include "gscms.h"
#include "gsicc_manage.h"
#include "gsicc_cache.h"
#include "gxdevsop.h"
#include "gxobj.h"
#include "valgrind.h"
extern dev_proc_open_device(pattern_clist_open_device);
/* GC information */
/* Where is the GC information for the common objects that are
shared between the reader and writer. I see pointers in
there, but they don't seem to be GC. This is why I have
put the icc_table and the link cache in the reader and the
writer rather than the common. fixme: Also, if icc_cache_cl is not
included in the writer, 64bit builds will seg fault */
extern_st(st_gs_gstate);
static
ENUM_PTRS_WITH(device_clist_enum_ptrs, gx_device_clist *cdev)
if (index < st_device_forward_max_ptrs) {
gs_ptr_type_t ret = ENUM_USING_PREFIX(st_device_forward, st_device_max_ptrs);
return (ret ? ret : ENUM_OBJ(0));
}
index -= st_device_forward_max_ptrs;
/* RJW: We do not enumerate icc_cache_cl or icc_cache_list as they
* are allocated in non gc space */
if (CLIST_IS_WRITER(cdev)) {
switch (index) {
case 0: return ENUM_OBJ((cdev->writer.image_enum_id != gs_no_id ?
cdev->writer.clip_path : 0));
case 1: return ENUM_OBJ((cdev->writer.image_enum_id != gs_no_id ?
cdev->writer.color_space.space : 0));
case 2: return ENUM_OBJ(cdev->writer.pinst);
case 3: return ENUM_OBJ(cdev->writer.cropping_stack);
case 4: return ENUM_OBJ(cdev->writer.icc_table);
default:
return ENUM_USING(st_gs_gstate, &cdev->writer.gs_gstate,
sizeof(gs_gstate), index - 5);
}
}
else {
/* 041207
* clist is reader.
* We don't expect this code to be exercised at this time as the reader
* runs under gdev_prn_output_page which is an atomic function of the
* interpreter. We do this as this situation may change in the future.
*/
if (index == 0)
return ENUM_OBJ(cdev->reader.offset_map);
else if (index == 1)
return ENUM_OBJ(cdev->reader.icc_table);
else if (index == 2)
return ENUM_OBJ(cdev->reader.color_usage_array);
else
return 0;
}
ENUM_PTRS_END
static
RELOC_PTRS_WITH(device_clist_reloc_ptrs, gx_device_clist *cdev)
{
RELOC_PREFIX(st_device_forward);
if (CLIST_IS_WRITER(cdev)) {
if (cdev->writer.image_enum_id != gs_no_id) {
RELOC_VAR(cdev->writer.clip_path);
RELOC_VAR(cdev->writer.color_space.space);
}
RELOC_VAR(cdev->writer.pinst);
RELOC_VAR(cdev->writer.cropping_stack);
RELOC_VAR(cdev->writer.icc_table);
RELOC_USING(st_gs_gstate, &cdev->writer.gs_gstate,
sizeof(gs_gstate));
} else {
/* 041207
* clist is reader.
* See note above in ENUM_PTRS_WITH section.
*/
RELOC_VAR(cdev->reader.offset_map);
RELOC_VAR(cdev->reader.icc_table);
RELOC_VAR(cdev->reader.color_usage_array);
}
} RELOC_PTRS_END
public_st_device_clist();
private_st_clist_writer_cropping_buffer();
private_st_clist_icctable_entry();
private_st_clist_icctable();
/* Forward declarations of driver procedures */
dev_proc_open_device(clist_open);
dev_proc_output_page(clist_output_page);
dev_proc_close_device(clist_close);
/* Driver procedures defined in other files are declared in gxcldev.h. */
/* Other forward declarations */
static int clist_put_current_params(gx_device_clist_writer *cldev);
void
clist_initialize_device_procs(gx_device *dev)
{
set_dev_proc(dev, open_device, clist_open);
set_dev_proc(dev, get_initial_matrix, gx_forward_get_initial_matrix);
set_dev_proc(dev, sync_output, gx_default_sync_output);
set_dev_proc(dev, output_page, clist_output_page);
set_dev_proc(dev, close_device, clist_close);
set_dev_proc(dev, map_rgb_color, gx_forward_map_rgb_color);
set_dev_proc(dev, map_color_rgb, gx_forward_map_color_rgb);
set_dev_proc(dev, fill_rectangle, clist_fill_rectangle);
set_dev_proc(dev, copy_mono, clist_copy_mono);
set_dev_proc(dev, copy_color, clist_copy_color);
set_dev_proc(dev, get_params, gx_forward_get_params);
set_dev_proc(dev, put_params, gx_forward_put_params);
set_dev_proc(dev, map_cmyk_color, gx_forward_map_cmyk_color);
set_dev_proc(dev, get_page_device, gx_forward_get_page_device);
set_dev_proc(dev, get_alpha_bits, gx_forward_get_alpha_bits);
set_dev_proc(dev, copy_alpha, clist_copy_alpha);
set_dev_proc(dev, fill_path, clist_fill_path);
set_dev_proc(dev, stroke_path, clist_stroke_path);
set_dev_proc(dev, fill_mask, clist_fill_mask);
set_dev_proc(dev, fill_trapezoid, clist_fill_trapezoid);
set_dev_proc(dev, fill_parallelogram, clist_fill_parallelogram);
set_dev_proc(dev, fill_triangle, clist_fill_triangle);
set_dev_proc(dev, strip_tile_rectangle, clist_strip_tile_rectangle);
set_dev_proc(dev, get_clipping_box, gx_forward_get_clipping_box);
set_dev_proc(dev, begin_typed_image, clist_begin_typed_image);
set_dev_proc(dev, get_bits_rectangle, clist_get_bits_rectangle);
set_dev_proc(dev, composite, clist_composite);
set_dev_proc(dev, get_hardware_params, gx_forward_get_hardware_params);
set_dev_proc(dev, get_color_mapping_procs, gx_forward_get_color_mapping_procs);
set_dev_proc(dev, get_color_comp_index, gx_forward_get_color_comp_index);
set_dev_proc(dev, encode_color, gx_forward_encode_color);
set_dev_proc(dev, decode_color, gx_forward_decode_color);
set_dev_proc(dev, fill_rectangle_hl_color, clist_fill_rectangle_hl_color);
set_dev_proc(dev, fill_linear_color_trapezoid, clist_fill_linear_color_trapezoid);
set_dev_proc(dev, fill_linear_color_triangle, clist_fill_linear_color_triangle);
set_dev_proc(dev, update_spot_equivalent_colors, gx_forward_update_spot_equivalent_colors);
set_dev_proc(dev, ret_devn_params, gx_forward_ret_devn_params);
set_dev_proc(dev, fillpage, clist_fillpage);
set_dev_proc(dev, dev_spec_op, clist_dev_spec_op);
set_dev_proc(dev, copy_planes, clist_copy_planes);
set_dev_proc(dev, strip_copy_rop2, clist_strip_copy_rop2);
set_dev_proc(dev, strip_tile_rect_devn, clist_strip_tile_rect_devn);
set_dev_proc(dev, copy_alpha_hl_color, clist_copy_alpha_hl_color);
set_dev_proc(dev, process_page, clist_process_page);
set_dev_proc(dev, fill_stroke_path, clist_fill_stroke_path);
}
/*------------------- Choose the implementation -----------------------
For choosing the clist i/o implementation by makefile options
we define global variables, which are initialized with
file/memory io procs when they are included into the build.
*/
const clist_io_procs_t *clist_io_procs_file_global = NULL;
const clist_io_procs_t *clist_io_procs_memory_global = NULL;
void
clist_init_io_procs(gx_device_clist *pclist_dev, bool in_memory)
{
#ifdef PACIFY_VALGRIND
VALGRIND_HG_DISABLE_CHECKING(&clist_io_procs_file_global, sizeof(clist_io_procs_file_global));
VALGRIND_HG_DISABLE_CHECKING(&clist_io_procs_memory_global, sizeof(clist_io_procs_memory_global));
#endif
/* if clist_io_procs_file_global is NULL, then BAND_LIST_STORAGE=memory */
/* was specified in the build, and "file" is not available */
if (in_memory || clist_io_procs_file_global == NULL)
pclist_dev->common.page_info.io_procs = clist_io_procs_memory_global;
else
pclist_dev->common.page_info.io_procs = clist_io_procs_file_global;
}
/* ------ Define the command set and syntax ------ */
/*
* The buffer area (data, data_size) holds a bitmap cache when both writing
* and reading. The rest of the space is used for the command buffer and
* band state bookkeeping when writing, and for the rendering buffer (image
* device) when reading. For the moment, we divide the space up
* arbitrarily, except that we allocate less space for the bitmap cache if
* the device doesn't need halftoning.
*
* All the routines for allocating tables in the buffer are idempotent, so
* they can be used to check whether a given-size buffer is large enough.
*/
/*
* Calculate the desired size for the tile cache.
*/
static uint
clist_tile_cache_size(const gx_device * target, uint data_size)
{
uint bits_size =
(data_size / 5) & -align_cached_bits_mod; /* arbitrary */
if (!gx_device_must_halftone(target)) { /* No halftones -- cache holds only Patterns & characters. */
bits_size -= bits_size >> 2;
}
#define min_bits_size 1024
if (bits_size < min_bits_size)
bits_size = min_bits_size;
#undef min_bits_size
return bits_size;
}
/*
* Initialize the allocation for the tile cache. Sets: tile_hash_mask,
* tile_max_count, tile_table, chunk (structure), bits (structure).
*/
static int
clist_init_tile_cache(gx_device * dev, byte * init_data, ulong data_size)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
byte *data = init_data;
uint bits_size = data_size;
/*
* Partition the bits area between the hash table and the actual
* bitmaps. The per-bitmap overhead is about 24 bytes; if the
* average character size is 10 points, its bitmap takes about 24 +
* 0.5 * 10/72 * xdpi * 10/72 * ydpi / 8 bytes (the 0.5 being a
* fudge factor to account for characters being narrower than they
* are tall), which gives us a guideline for the size of the hash
* table.
*/
uint avg_char_size =
(uint)(dev->HWResolution[0] * dev->HWResolution[1] *
(0.5 * 10 / 72 * 10 / 72 / 8)) + 24;
uint hc = bits_size / avg_char_size;
uint hsize;
while ((hc + 1) & hc)
hc |= hc >> 1; /* make mask (power of 2 - 1) */
if (hc < 0xff)
hc = 0xff; /* make allowance for halftone tiles */
else if (hc > 0xfff)
hc = 0xfff; /* cmd_op_set_tile_index has 12-bit operand */
/* Make sure the tables will fit. */
while (hc >= 3 && (hsize = (hc + 1) * sizeof(tile_hash)) >= bits_size)
hc >>= 1;
if (hc < 3)
return_error(gs_error_rangecheck);
cdev->tile_hash_mask = hc;
cdev->tile_max_count = hc - (hc >> 2);
cdev->tile_table = (tile_hash *) data;
data += hsize;
bits_size -= hsize;
gx_bits_cache_chunk_init(cdev->cache_chunk, data, bits_size);
gx_bits_cache_init(&cdev->bits, cdev->cache_chunk);
return 0;
}
/*
* Initialize the allocation for the bands. Requires: target. Sets:
* page_band_height (=page_info.band_params.BandHeight), nbands.
*/
static int
clist_init_bands(gx_device * dev, gx_device_memory *bdev, uint data_size,
int band_width, int band_height)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
int nbands;
ulong space;
if (dev_proc(dev, open_device) == pattern_clist_open_device) {
/* We don't need bands really. */
cdev->page_band_height = dev->height;
cdev->nbands = 1;
return 0;
}
if (gdev_mem_data_size(bdev, band_width, band_height, &space) < 0 ||
space > data_size)
return_error(gs_error_rangecheck);
cdev->page_band_height = band_height;
nbands = (cdev->target->height + band_height - 1) / band_height;
cdev->nbands = nbands;
#ifdef DEBUG
if (gs_debug_c('l') | gs_debug_c(':'))
dmlprintf4(dev->memory, "[:]width=%d, band_width=%d, band_height=%d, nbands=%d\n",
bdev->width, band_width, band_height, nbands);
#endif
return 0;
}
/* Minimum BufferSpace needed when writing the clist */
/* This is an exported function because it is used to set up render threads */
size_t
clist_minimum_buffer(int nbands) {
/* Leave enough room after states for commands that write a reasonable
* amount of data. The cmd_largest_size and the data_bits_size should be
* enough to buffer command operands. The data_bits_size is the level
* at which commands should expect to split data across buffers. If this
* extra space is a little large, it doesn't really hurt.
*/
return (nbands * (ulong) sizeof(gx_clist_state) +
sizeof(cmd_prefix) +
cmd_largest_size +
data_bits_size);
}
/*
* Initialize the allocation for the band states, which are used only
* when writing. Requires: nbands. Sets: states, cbuf, cend, band_range_list.
*/
static int
clist_init_states(gx_device * dev, byte * init_data, uint data_size)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
ulong state_size = cdev->nbands * (ulong) sizeof(gx_clist_state);
/* Align to the natural boundary for ARM processors, bug 689600 */
intptr_t alignment = (-(intptr_t)init_data) & (sizeof(init_data) - 1);
if (clist_minimum_buffer(cdev->nbands) > data_size)
return_error(gs_error_rangecheck);
/* The end buffer position is not affected by alignment */
cdev->cend = init_data + data_size;
init_data += alignment;
cdev->states = (gx_clist_state *) init_data;
cdev->band_range_list = (cmd_list *)(init_data + state_size);
cdev->cbuf = init_data + state_size + sizeof(cmd_list);
return 0;
}
/*
* Initialize all the data allocations. Requires: target. Sets:
* page_tile_cache_size, page_info.band_params.BandWidth,
* page_info.band_params.BandBufferSpace, + see above.
*/
static int
clist_init_data(gx_device * dev, byte * init_data, uint data_size)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
gx_device *target = cdev->target;
/* BandWidth can't be smaller than target device width */
const int band_width =
cdev->page_info.band_params.BandWidth = max(target->width, cdev->band_params.BandWidth);
int band_height = cdev->band_params.BandHeight;
bool page_uses_transparency = cdev->page_uses_transparency;
const uint band_space =
cdev->page_info.band_params.BandBufferSpace =
(cdev->band_params.BandBufferSpace ?
cdev->band_params.BandBufferSpace : data_size);
byte *data = init_data;
uint size = band_space;
uint bits_size;
gx_device_memory bdev;
gx_device *pbdev = (gx_device *)&bdev;
int code;
int align = 1 << (target->log2_align_mod > log2_align_bitmap_mod ? target->log2_align_mod : log2_align_bitmap_mod);
align = align < obj_align_mod ? obj_align_mod : align;
/* the clist writer has its own color info that depends upon the
transparency group color space (if transparency exists). The data that is
used in the clist writing. Here it is initialized with
the target device color info. The values will be pushed and popped
in a stack if we have changing color spaces in the transparency groups. */
cdev->clist_color_info.depth = dev->color_info.depth;
cdev->clist_color_info.polarity = dev->color_info.polarity;
cdev->clist_color_info.num_components = dev->color_info.num_components;
cdev->graphics_type_tag = target->graphics_type_tag; /* initialize to same as target */
/* Call create_buf_device to get the memory planarity set up. */
code = cdev->buf_procs.create_buf_device(&pbdev, target, 0, NULL, NULL, NULL);
if (code < 0)
return code;
/* HACK - if the buffer device can't do copy_alpha, disallow */
/* copy_alpha in the commmand list device as well. */
if (dev_proc(pbdev, copy_alpha) == gx_no_copy_alpha)
cdev->disable_mask |= clist_disable_copy_alpha;
if (dev_proc(cdev, open_device) == pattern_clist_open_device) {
bits_size = data_size / 2;
cdev->page_line_ptrs_offset = 0;
} else {
if (band_height) {
/*
* The band height is fixed, so the band buffer requirement
* is completely determined.
*/
ulong band_data_size;
int adjusted;
adjusted = (dev_proc(dev, dev_spec_op)(dev, gxdso_adjust_bandheight, NULL, band_height));
if (adjusted > 0)
band_height = adjusted;
if (gdev_mem_data_size(&bdev, band_width, band_height, &band_data_size) < 0 ||
band_data_size >= band_space) {
if (pbdev->finalize)
pbdev->finalize(pbdev);
return_error(gs_error_rangecheck);
}
/* If the tile_cache_size is specified, use it */
if (cdev->space_params.band.tile_cache_size == 0) {
bits_size = min(band_space - band_data_size, data_size >> 1);
} else {
bits_size = cdev->space_params.band.tile_cache_size;
}
/* The top of the tile_cache is the bottom of the imagable band buffer,
* which needs to be appropriately aligned. Because the band height is
* fixed, we must round *down* the size of the cache to a appropriate
* value. See clist_render_thread() and clist_rasterize_lines()
* for where the value is used.
*/
bits_size = ROUND_DOWN(bits_size, align);
} else {
int adjusted;
/*
* Choose the largest band height that will fit in the
* rendering-time buffer.
*/
bits_size = clist_tile_cache_size(target, band_space);
bits_size = min(bits_size, data_size >> 1);
/* The top of the tile_cache is the bottom of the imagable band buffer,
* which needs to be appropriately aligned. Because the band height is
* fixed, here we round up the size of the cache, since the band height
* is variable, and it should only be a few bytes. See clist_render_thread()
* and clist_rasterize_lines() for where the value is used.
*/
bits_size = ROUND_UP(bits_size, align);
band_height = gdev_mem_max_height(&bdev, band_width,
band_space - bits_size, page_uses_transparency);
if (band_height == 0) {
if (pbdev->finalize)
pbdev->finalize(pbdev);
return_error(gs_error_rangecheck);
}
adjusted = (dev_proc(dev, dev_spec_op)(dev, gxdso_adjust_bandheight, NULL, band_height));
if (adjusted > 0)
band_height = adjusted;
}
/* The above calculated bits_size's include space for line ptrs. What is
* the offset for the line_ptrs within the buffer? */
if (gdev_mem_bits_size(&bdev, band_width, band_height, &cdev->page_line_ptrs_offset) < 0)
return_error(gs_error_VMerror);
}
cdev->pdf14_trans_group_level = -1; /* to prevent any initial op except PUSH_DEVICE */
cdev->ins_count = 0;
code = clist_init_tile_cache(dev, data, bits_size);
if (code < 0) {
if (pbdev->finalize)
pbdev->finalize(pbdev);
return code;
}
cdev->page_tile_cache_size = bits_size;
data += bits_size;
size -= bits_size;
code = clist_init_bands(dev, &bdev, size, band_width, band_height);
if (code < 0) {
if (pbdev->finalize)
pbdev->finalize(pbdev);
return code;
}
if (pbdev->finalize)
pbdev->finalize(pbdev);
return clist_init_states(dev, data, data_size - bits_size);
}
/*
* Reset the device state (for writing). This routine requires only
* data, data_size, and target to be set, and is idempotent.
*/
static int
clist_reset(gx_device * dev)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
int code = clist_init_data(dev, cdev->data, cdev->data_size);
int nbands;
if (code < 0)
return (cdev->permanent_error = code);
/* Now initialize the rest of the state. */
cdev->permanent_error = 0;
nbands = cdev->nbands;
cdev->ymin = cdev->ymax = -1; /* render_init not done yet */
memset(cdev->tile_table, 0, (cdev->tile_hash_mask + 1) *
sizeof(*cdev->tile_table));
cdev->cnext = cdev->cbuf;
cdev->ccl = 0;
cdev->band_range_list->head = cdev->band_range_list->tail = 0;
cdev->band_range_min = 0;
cdev->band_range_max = nbands - 1;
{
int band;
gx_clist_state *states = cdev->states;
for (band = 0; band < nbands; band++, states++) {
static const gx_clist_state cls_initial = { cls_initial_values };
*states = cls_initial;
}
}
/*
* Round up the size of the per-tile band mask so that the bits,
* which follow it, stay aligned.
*/
cdev->tile_band_mask_size =
((nbands + (align_bitmap_mod * 8 - 1)) >> 3) &
~(align_bitmap_mod - 1);
/*
* Initialize the all-band parameters to impossible values,
* to force them to be written the first time they are used.
*/
memset(&cdev->tile_params, 0, sizeof(cdev->tile_params));
cdev->tile_depth = 0;
cdev->tile_known_min = nbands;
cdev->tile_known_max = -1;
GS_STATE_INIT_VALUES_CLIST((&cdev->gs_gstate));
cdev->clip_path = NULL;
cdev->clip_path_id = gs_no_id;
cdev->color_space.byte1 = 0;
cdev->color_space.id = gs_no_id;
cdev->color_space.space = 0;
{
int i;
for (i = 0; i < countof(cdev->transfer_ids); ++i)
cdev->transfer_ids[i] = gs_no_id;
}
cdev->black_generation_id = gs_no_id;
cdev->undercolor_removal_id = gs_no_id;
cdev->device_halftone_id = gs_no_id;
cdev->image_enum_id = gs_no_id;
cdev->cropping_min = cdev->save_cropping_min = 0;
cdev->cropping_max = cdev->save_cropping_max = cdev->height;
cdev->cropping_saved = false;
cdev->cropping_stack = NULL;
cdev->cropping_level = 0;
cdev->mask_id_count = cdev->mask_id = cdev->temp_mask_id = 0;
cdev->icc_table = NULL;
cdev->op_fill_active = false;
cdev->op_stroke_active = false;
return 0;
}
/*
* Initialize the device state (for writing). This routine requires only
* data, data_size, and target to be set, and is idempotent.
*/
static int
clist_init(gx_device * dev)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
int code = clist_reset(dev);
if (code >= 0) {
cdev->image_enum_id = gs_no_id;
cdev->ignore_lo_mem_warnings = 0;
}
return code;
}
/* Write out the current parameters that must be at the head of each page */
/* if async rendering is in effect */
static int
clist_emit_page_header(gx_device *dev)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
int code = 0;
if ((cdev->disable_mask & clist_disable_pass_thru_params)) {
code = clist_put_current_params(cdev);
cdev->permanent_error = (code < 0 ? code : 0);
}
return code;
}
/* Reset parameters for the beginning of a page. */
static void
clist_reset_page(gx_device_clist_writer *cwdev)
{
cwdev->page_bfile_end_pos = 0;
}
/* Open the device's bandfiles */
static int
clist_open_output_file(gx_device *dev)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
char fmode[4];
int code;
if (cdev->do_not_open_or_close_bandfiles)
return 0; /* external bandfile open/close managed externally */
cdev->page_cfile = 0; /* in case of failure */
cdev->page_bfile = 0; /* ditto */
code = clist_init(dev);
if (code < 0)
return code;
snprintf(fmode, sizeof(fmode), "w+%s", gp_fmode_binary_suffix);
cdev->page_cfname[0] = 0; /* create a new file */
cdev->page_bfname[0] = 0; /* ditto */
clist_reset_page(cdev);
if ((code = cdev->page_info.io_procs->fopen(cdev->page_cfname, fmode, &cdev->page_cfile,
cdev->bandlist_memory, cdev->bandlist_memory,
true)) < 0 ||
(code = cdev->page_info.io_procs->fopen(cdev->page_bfname, fmode, &cdev->page_bfile,
cdev->bandlist_memory, cdev->bandlist_memory,
false)) < 0
) {
clist_close_output_file(dev);
cdev->permanent_error = code;
}
return code;
}
/* Close, and free the contents of, the temporary files of a page. */
/* Note that this does not deallocate the buffer. */
int
clist_close_page_info(gx_band_page_info_t *ppi)
{
if (ppi->cfile != NULL) {
ppi->io_procs->fclose(ppi->cfile, ppi->cfname, true);
ppi->cfile = NULL;
ppi->cfname[0] = 0; /* prevent re-use in case this is a fake path */
}
if (ppi->bfile != NULL) {
ppi->io_procs->fclose(ppi->bfile, ppi->bfname, true);
ppi->bfile = NULL;
ppi->bfname[0] = 0; /* prevent re-use in case this is a fake path */
}
return 0;
}
/* Close the device by freeing the temporary files. */
/* Note that this does not deallocate the buffer. */
int
clist_close_output_file(gx_device *dev)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
return clist_close_page_info(&cdev->page_info);
}
/* Open the device by initializing the device state and opening the */
/* scratch files. */
int
clist_open(gx_device *dev)
{
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
bool save_is_open = dev->is_open;
int code;
cdev->permanent_error = 0;
cdev->is_open = false;
cdev->cache_chunk = (gx_bits_cache_chunk *)gs_alloc_bytes(cdev->memory->non_gc_memory, sizeof(gx_bits_cache_chunk), "alloc tile cache for clist");
if (!cdev->cache_chunk)
return_error(gs_error_VMerror);
memset(cdev->cache_chunk, 0x00, sizeof(gx_bits_cache_chunk));
code = clist_init(dev);
if (code < 0)
goto errxit;
cdev->icc_cache_list_len = 0;
cdev->icc_cache_list = NULL;
code = clist_open_output_file(dev);
if ( code >= 0)
code = clist_emit_page_header(dev);
if (code >= 0) {
dev->is_open = save_is_open;
return code; /* success */
}
/* fall through to clean up and return error code */
errxit:
/* prevent leak */
gs_free_object(cdev->memory->non_gc_memory, cdev->cache_chunk, "free tile cache for clist");
cdev->cache_chunk = NULL;
return code;
}
int
clist_close(gx_device *dev)
{
int i;
gx_device_clist_writer * const cdev =
&((gx_device_clist *)dev)->writer;
/* I'd like to free the cache chunk in here, but we can't, because the pattern clist
* device gets closed, but not discarded, later it gets run. So we have to free the memory
* in *2* places, once in gdev_prn_tear_down() for regular clists, and once in
* gx_pattern_cache_free_entry() for pattern clists....
*/
for(i = 0; i < cdev->icc_cache_list_len; i++) {
rc_decrement(cdev->icc_cache_list[i], "clist_close");
}
cdev->icc_cache_list_len = 0;
gs_free_object(cdev->memory->thread_safe_memory, cdev->icc_cache_list, "clist_close");
cdev->icc_cache_list = NULL;
/* So despite the comment above, it seems necessary to free the cache_chunk here,
* if the device is not being retained. The code in gx_pattern_cache_free_entry() doesn't
* actually free it, in at least some cases.
* TODO: Is it sufficient to only free it here, and not in the places mentioned above?
*/
if (!cdev->retained) {
gs_free_object(cdev->memory->non_gc_memory, cdev->cache_chunk,
"clist_close(cache_chunk)");
cdev->cache_chunk = NULL;
}
if (cdev->do_not_open_or_close_bandfiles)
return 0;
if (dev_proc(cdev, open_device) == pattern_clist_open_device) {
gs_free_object(cdev->bandlist_memory, cdev->data, "clist_close");
cdev->data = NULL;
}
return clist_close_output_file(dev);
}
/* The output_page procedure should never be called! */
int
clist_output_page(gx_device * dev, int num_copies, int flush)
{
return_error(gs_error_Fatal);
}
/* Reset (or prepare to append to) the command list after printing a page. */
int
clist_finish_page(gx_device *dev, bool flush)
{
gx_device_clist_writer *const cdev = &((gx_device_clist *)dev)->writer;
int code;
/* If this is a reader clist, which is about to be reset to a writer,
* free any color_usage array used by same.
* since we have been rendering, shut down threads
* Also free the icc_table at this time and the icc_cache
*/
if (!CLIST_IS_WRITER((gx_device_clist *)dev)) {
gx_device_clist_reader * const crdev = &((gx_device_clist *)dev)->reader;
clist_teardown_render_threads(dev);
gs_free_object(cdev->memory, crdev->color_usage_array, "clist_color_usage_array");
crdev->color_usage_array = NULL;
/* Free the icc table associated with this device.
The threads that may have pointed to this were destroyed in
the above call to clist_teardown_render_threads. Since they
all maintained a copy of the cache and the table there should not
be any issues. */
clist_free_icc_table(crdev->icc_table, crdev->memory);
crdev->icc_table = NULL;
}
if (flush) {
if (cdev->page_cfile != 0) {
code = cdev->page_info.io_procs->rewind(cdev->page_cfile, true, cdev->page_cfname);
if (code < 0) return code;
}
if (cdev->page_bfile != 0) {
code = cdev->page_info.io_procs->rewind(cdev->page_bfile, true, cdev->page_bfname);
if (code < 0) return code;
}
cdev->page_info.bfile_end_pos = 0;
clist_reset_page(cdev);
} else {
if (cdev->page_cfile != 0)
cdev->page_info.io_procs->fseek(cdev->page_cfile, 0L, SEEK_END, cdev->page_cfname);
if (cdev->page_bfile != 0)
cdev->page_info.io_procs->fseek(cdev->page_bfile, 0L, SEEK_END, cdev->page_bfname);
}
code = clist_init(dev); /* reinitialize */
if (code >= 0)
code = clist_emit_page_header(dev);
return code;
}
/* ------ Writing ------ */
/* End a page by flushing the buffer and terminating the command list. */
int /* ret 0 all-ok, -ve error code, or +1 ok w/low-mem warning */
clist_end_page(gx_device_clist_writer * cldev)
{
int code;
cmd_block cb;
int ecode = 0;
code = cmd_write_buffer(cldev, cmd_opv_end_page);
if (code >= 0)
ecode |= code;
else
ecode = code;
/* If we have ICC profiles present in the cfile save the table now,
along with the ICC profiles. Table is stored in band maxband + 1. */
if ( cldev->icc_table != NULL ) {
/* Save the table */
code = clist_icc_writetable(cldev);
/* Free the table */
clist_free_icc_table(cldev->icc_table, cldev->memory);
cldev->icc_table = NULL;
}
if (code >= 0) {
code = clist_write_color_usage_array(cldev);
if (code >= 0) {
ecode |= code;
/*
* Write the terminating entry in the block file.
* Note that because of copypage, there may be many such entries.
*/
memset(&cb, 0, sizeof(cb)); /* Zero the block, including any padding */
cb.band_min = cb.band_max = cmd_band_end;
cb.pos = (cldev->page_cfile == 0 ? 0 : cldev->page_info.io_procs->ftell(cldev->page_cfile));
code = cldev->page_info.io_procs->fwrite_chars(&cb, sizeof(cb), cldev->page_bfile);
if (code > 0)
code = 0;
}
}
if (code >= 0) {
ecode |= code;
cldev->page_bfile_end_pos = cldev->page_info.io_procs->ftell(cldev->page_bfile);
} else
ecode = code;
/* Reset warning margin to 0 to release reserve memory if mem files */
if (cldev->page_bfile != 0)
cldev->page_info.io_procs->set_memory_warning(cldev->page_bfile, 0);
if (cldev->page_cfile != 0)
cldev->page_info.io_procs->set_memory_warning(cldev->page_cfile, 0);
#ifdef DEBUG
if (gs_debug_c('l') | gs_debug_c(':')) {
if (cb.pos <= 0xFFFFFFFF)
dmlprintf2(cldev->memory, "[:]clist_end_page at cfile=%lu, bfile=%lu\n",
(unsigned long)cb.pos, (unsigned long)cldev->page_bfile_end_pos);
else
dmlprintf3(cldev->memory, "[:]clist_end_page at cfile=%lu%0lu, bfile=%lu\n",
(unsigned long) (cb.pos >> 32), (unsigned long) (cb.pos & 0xFFFFFFFF),
(unsigned long)cldev->page_bfile_end_pos);
}
#endif
if (cldev->page_uses_transparency && gs_debug[':']) {
/* count how many bands were skipped */
int skip_count = 0;
int band;
for (band=0; band < cldev->nbands - 1; band++) {
if (cldev->states[band].color_usage.trans_bbox.p.y >
cldev->states[band].color_usage.trans_bbox.q.y)
skip_count++;
}
dprintf2("%d bands skipped out of %d\n", skip_count, cldev->nbands);
}
return ecode;
}
gx_color_usage_bits
gx_color_index2usage(gx_device *dev, gx_color_index color)
{
gx_color_usage_bits bits = 0;
uchar i;
if (dev->color_info.polarity == GX_CINFO_POLARITY_ADDITIVE)
color = color ^ ~0; /* white is 0 */
for (i = 0; i < dev->color_info.num_components; i++) {
if (color & dev->color_info.comp_mask[i])
bits |= (1<<i);
}
return bits;
}
/* Write the target device's current parameter list */
static int /* ret 0 all ok, -ve error */
clist_put_current_params(gx_device_clist_writer *cldev)
{
gx_device *target = cldev->target;
gs_c_param_list param_list;
int code;
/*
* If a put_params call fails, the device will be left in a closed
* state, but higher-level code won't notice this fact. We flag this by
* setting permanent_error, which prevents writing to the command list.
*/
if (cldev->permanent_error)
return cldev->permanent_error;
gs_c_param_list_write(¶m_list, cldev->memory);
code = (*dev_proc(target, get_params))
(target, (gs_param_list *)¶m_list);
if (code >= 0) {
gs_c_param_list_read(¶m_list);
code = cmd_put_params( cldev, (gs_param_list *)¶m_list );
}
gs_c_param_list_release(¶m_list);
return code;
}
/* ---------------- Driver interface ---------------- */
/* ICC table operations. See gxclist.h for details */
/* This checks the table for a hash code entry */
bool
clist_icc_searchtable(gx_device_clist_writer *cdev, int64_t hashcode)
{
clist_icctable_t *icc_table = cdev->icc_table;
clist_icctable_entry_t *curr_entry;
if (icc_table == NULL)
return(false); /* No entry */
curr_entry = icc_table->head;
while(curr_entry != NULL) {
if (curr_entry->serial_data.hashcode == hashcode){
return(true);
}
curr_entry = curr_entry->next;
}
return(false); /* No entry */
}
static void
clist_free_icc_table_contents(clist_icctable_t *icc_table)
{
int number_entries;
clist_icctable_entry_t *curr_entry, *next_entry;
int k;
number_entries = icc_table->tablesize;
curr_entry = icc_table->head;
for (k = 0; k < number_entries; k++) {
next_entry = curr_entry->next;
gsicc_adjust_profile_rc(curr_entry->icc_profile, -1, "clist_free_icc_table");
gs_free_object(icc_table->memory, curr_entry, "clist_free_icc_table");
curr_entry = next_entry;
}
}
void
clist_icc_table_finalize(const gs_memory_t *memory, void * vptr)
{
clist_icctable_t *icc_table = (clist_icctable_t *)vptr;
clist_free_icc_table_contents(icc_table);
}
/* Free the table */
int
clist_free_icc_table(clist_icctable_t *icc_table, gs_memory_t *memory)
{
if (icc_table == NULL)
return(0);
gs_free_object(icc_table->memory, icc_table, "clist_free_icc_table");
return(0);
}
/* This serializes the ICC table and writes it out for maxband+1 */
int
clist_icc_writetable(gx_device_clist_writer *cldev)
{
unsigned char *pbuf, *buf;
clist_icctable_t *icc_table = cldev->icc_table;
int number_entries = icc_table->tablesize;
clist_icctable_entry_t *curr_entry;
int size_data;
int k;
bool rend_is_valid;
/* First we need to write out the ICC profiles themselves and update
in the table where they will be stored and their size. Set the
rend cond valid flag prior to writing */
curr_entry = icc_table->head;
for ( k = 0; k < number_entries; k++ ){
rend_is_valid = curr_entry->icc_profile->rend_is_valid;
curr_entry->icc_profile->rend_is_valid = curr_entry->render_is_valid;
curr_entry->serial_data.file_position = clist_icc_addprofile(cldev, curr_entry->icc_profile, &size_data);
curr_entry->icc_profile->rend_is_valid = rend_is_valid;
curr_entry->serial_data.size = size_data;
gsicc_adjust_profile_rc(curr_entry->icc_profile, -1, "clist_icc_writetable");
curr_entry->icc_profile = NULL;
curr_entry = curr_entry->next;
}
/* Now serialize the table data */
size_data = number_entries*sizeof(clist_icc_serial_entry_t) + sizeof(number_entries);
buf = gs_alloc_bytes(cldev->memory, size_data, "clist_icc_writetable");
if (buf == NULL)
return gs_rethrow(-1, "insufficient memory for icc table buffer");
pbuf = buf;
memcpy(pbuf, &number_entries, sizeof(number_entries));
pbuf += sizeof(number_entries);
curr_entry = icc_table->head;
for (k = 0; k < number_entries; k++) {
memcpy(pbuf, &(curr_entry->serial_data), sizeof(clist_icc_serial_entry_t));
pbuf += sizeof(clist_icc_serial_entry_t);
curr_entry = curr_entry->next;
}
/* Now go ahead and save the table data */
cmd_write_pseudo_band(cldev, buf, size_data, ICC_TABLE_OFFSET);
gs_free_object(cldev->memory, buf, "clist_icc_writetable");
return(0);
}
/* This write the actual data out to the cfile */
int64_t
clist_icc_addprofile(gx_device_clist_writer *cldev, cmm_profile_t *iccprofile, int *size)
{
clist_file_ptr cfile = cldev->page_cfile;
int64_t fileposit;
#if defined(DEBUG) || defined(PACIFY_VALGRIND)
gsicc_serialized_profile_t profile_data = { 0 };
#else
gsicc_serialized_profile_t profile_data;
#endif
int count1, count2;
/* Get the current position */
fileposit = cldev->page_info.io_procs->ftell(cfile);
/* Get the serialized header */
gsicc_profile_serialize(&profile_data, iccprofile);
/* Write the header */
if_debug1m('l', cldev->memory, "[l]writing icc profile in cfile at pos %"PRId64"\n",fileposit);
count1 = cldev->page_info.io_procs->fwrite_chars(&profile_data, GSICC_SERIALIZED_SIZE, cfile);
/* Now write the profile */
count2 = cldev->page_info.io_procs->fwrite_chars(iccprofile->buffer, iccprofile->buffer_size, cfile);
/* Return where we wrote this in the cfile */
*size = count1 + count2;
return(fileposit);
}
/* This add a new entry into the table */
int
clist_icc_addentry(gx_device_clist_writer *cdev, int64_t hashcode_in, cmm_profile_t *icc_profile)
{
clist_icctable_t *icc_table = cdev->icc_table;
clist_icctable_entry_t *entry, *curr_entry;
int k;
int64_t hashcode;
gs_memory_t *stable_mem = cdev->memory->stable_memory;
/* If the hash code is not valid then compute it now */
if (icc_profile->hash_is_valid == false) {
gsicc_get_icc_buff_hash(icc_profile->buffer, &hashcode,
icc_profile->buffer_size);
icc_profile->hashcode = hashcode;
icc_profile->hash_is_valid = true;
} else {
hashcode = hashcode_in;
}
if ( icc_table == NULL ) {
entry = (clist_icctable_entry_t *) gs_alloc_struct(stable_mem,
clist_icctable_entry_t, &st_clist_icctable_entry,
"clist_icc_addentry");
if (entry == NULL)
return gs_rethrow(-1, "insufficient memory to allocate entry in icc table");
#ifdef PACIFY_VALGRIND
/* Avoid uninitialised padding upsetting valgrind when it's written
* into the clist. */
memset(entry, 0, sizeof(*entry));
#endif
entry->next = NULL;
entry->serial_data.hashcode = hashcode;
entry->serial_data.size = -1;
entry->serial_data.file_position = -1;
entry->icc_profile = icc_profile;
entry->render_is_valid = icc_profile->rend_is_valid;
gsicc_adjust_profile_rc(icc_profile, 1, "clist_icc_addentry");
icc_table = gs_alloc_struct(stable_mem, clist_icctable_t,
&st_clist_icctable, "clist_icc_addentry");
if (icc_table == NULL)
return gs_rethrow(-1, "insufficient memory to allocate icc table");
icc_table->tablesize = 1;
icc_table->head = entry;
icc_table->final = entry;
icc_table->memory = stable_mem;
/* For now, we are just going to put the icc_table itself
at band_range_max + 1. The ICC profiles are written
in the cfile at the current stored file position*/
cdev->icc_table = icc_table;
} else {
/* First check if we already have this entry */
curr_entry = icc_table->head;
for (k = 0; k < icc_table->tablesize; k++) {
if (curr_entry->serial_data.hashcode == hashcode)
return 0; /* A hit */
curr_entry = curr_entry->next;
}
/* Add a new ICC profile */
entry =
(clist_icctable_entry_t *) gs_alloc_struct(icc_table->memory,
clist_icctable_entry_t,
&st_clist_icctable_entry,
"clist_icc_addentry");
if (entry == NULL)
return gs_rethrow(-1, "insufficient memory to allocate entry in icc table");
#ifdef PACIFY_VALGRIND
/* Avoid uninitialised padding upsetting valgrind when it's written
* into the clist. */
memset(entry, 0, sizeof(*entry));
#endif
entry->next = NULL;
entry->serial_data.hashcode = hashcode;
entry->serial_data.size = -1;
entry->serial_data.file_position = -1;
entry->icc_profile = icc_profile;
entry->render_is_valid = icc_profile->rend_is_valid;
gsicc_adjust_profile_rc(icc_profile, 1, "clist_icc_addentry");
icc_table->final->next = entry;
icc_table->final = entry;
icc_table->tablesize++;
}
return(0);
}
/* This writes out the color_usage_array for maxband+1 */
int
clist_write_color_usage_array(gx_device_clist_writer *cldev)
{
gx_color_usage_t *color_usage_array;
int i, size_data = cldev->nbands * sizeof(gx_color_usage_t);
/* Now serialize the table data */
color_usage_array = (gx_color_usage_t *)gs_alloc_bytes(cldev->memory, size_data,
"clist_write_color_usage_array");
if (color_usage_array == NULL)
return gs_rethrow(-1, "insufficient memory for color_usage_array");
for (i = 0; i < cldev->nbands; i++) {
memcpy(&(color_usage_array[i]), &(cldev->states[i].color_usage), sizeof(gx_color_usage_t));
}
/* Now go ahead and save the table data */
cmd_write_pseudo_band(cldev, (unsigned char *)color_usage_array,
size_data, COLOR_USAGE_OFFSET);
gs_free_object(cldev->memory, color_usage_array, "clist_write_color_usage_array");
return(0);
}
/* This writes out the spot equivalent cmyk values for the page.
These are used for overprint simulation. Read back by the
pdf14 device during the put_image operation */
int
clist_write_op_equiv_cmyk_colors(gx_device_clist_writer *cldev,
equivalent_cmyk_color_params *op_equiv_cmyk)
{
return cmd_write_pseudo_band(cldev, (unsigned char *)op_equiv_cmyk,
sizeof(equivalent_cmyk_color_params), SPOT_EQUIV_COLORS);
}
/* Compute color_usage over a Y range while writing clist */
/* Sets color_usage fields and range_start. */
/* Returns range end (max dev->height) */
/* NOT expected to be used. */
int
clist_writer_color_usage(gx_device_clist_writer *cldev, int y, int height,
gx_color_usage_t *color_usage, int *range_start)
{
gx_color_usage_bits or = 0;
bool slow_rop = false;
int i, band_height = cldev->page_band_height;
int start = y / band_height, end = (y + height) / band_height;
for (i = start; i < end; ++i) {
or |= cldev->states[i].color_usage.or;
slow_rop |= cldev->states[i].color_usage.slow_rop;
}
color_usage->or = or;
color_usage->slow_rop = slow_rop;
*range_start = start * band_height;
return min(end * band_height, cldev->height) - *range_start;
}
int
clist_writer_push_no_cropping(gx_device_clist_writer *cdev)
{
clist_writer_cropping_buffer_t *buf = gs_alloc_struct(cdev->memory,
clist_writer_cropping_buffer_t,
&st_clist_writer_cropping_buffer, "clist_writer_transparency_push");
if (buf == NULL)
return_error(gs_error_VMerror);
if_debug4m('v', cdev->memory, "[v]push cropping[%d], min=%d, max=%d, buf="PRI_INTPTR"\n",
cdev->cropping_level, cdev->cropping_min, cdev->cropping_max, (intptr_t)buf);
buf->next = cdev->cropping_stack;
cdev->cropping_stack = buf;
buf->cropping_min = cdev->cropping_min;
buf->cropping_max = cdev->cropping_max;
buf->mask_id = cdev->mask_id;
buf->temp_mask_id = cdev->temp_mask_id;
cdev->cropping_level++;
return 0;
}
int
clist_writer_push_cropping(gx_device_clist_writer *cdev, int ry, int rheight)
{
int code = clist_writer_push_no_cropping(cdev);
if (code < 0)
return 0;
cdev->cropping_min = max(cdev->cropping_min, ry);
cdev->cropping_max = min(cdev->cropping_max, ry + rheight);
return 0;
}
int
clist_writer_pop_cropping(gx_device_clist_writer *cdev)
{
clist_writer_cropping_buffer_t *buf = cdev->cropping_stack;
if (buf == NULL)
return_error(gs_error_unregistered); /*Must not happen. */
cdev->cropping_min = buf->cropping_min;
cdev->cropping_max = buf->cropping_max;
cdev->mask_id = buf->mask_id;
cdev->temp_mask_id = buf->temp_mask_id;
cdev->cropping_stack = buf->next;
cdev->cropping_level--;
if_debug4m('v', cdev->memory, "[v]pop cropping[%d] min=%d, max=%d, buf="PRI_INTPTR"\n",
cdev->cropping_level, cdev->cropping_min, cdev->cropping_max, (intptr_t)buf);
gs_free_object(cdev->memory, buf, "clist_writer_transparency_pop");
return 0;
}
int
clist_writer_check_empty_cropping_stack(gx_device_clist_writer *cdev)
{
if (cdev->cropping_stack != NULL) {
if_debug1m('v', cdev->memory, "[v]Error: left %d cropping(s)\n", cdev->cropping_level);
return_error(gs_error_unregistered); /* Must not happen */
}
return 0;
}
/* Retrieve total size for cfile and bfile. */
int clist_data_size(const gx_device_clist *cdev, int select)
{
const gx_band_page_info_t *pinfo = &cdev->common.page_info;
clist_file_ptr pfile = (!select ? pinfo->bfile : pinfo->cfile);
const char *fname = (!select ? pinfo->bfname : pinfo->cfname);
int code, size;
code = pinfo->io_procs->fseek(pfile, 0, SEEK_END, fname);
if (code < 0)
return_error(gs_error_unregistered); /* Must not happen. */
code = pinfo->io_procs->ftell(pfile);
if (code < 0)
return_error(gs_error_unregistered); /* Must not happen. */
size = code;
return size;
}
/* Get command list data. */
int
clist_get_data(const gx_device_clist *cdev, int select, int64_t offset, byte *buf, int length)
{
const gx_band_page_info_t *pinfo = &cdev->common.page_info;
clist_file_ptr pfile = (!select ? pinfo->bfile : pinfo->cfile);
const char *fname = (!select ? pinfo->bfname : pinfo->cfname);
int code;
code = pinfo->io_procs->fseek(pfile, offset, SEEK_SET, fname);
if (code < 0)
return_error(gs_error_unregistered); /* Must not happen. */
/* This assumes that fread_chars doesn't return prematurely
when the buffer is not fully filled and the end of stream is not reached. */
return pinfo->io_procs->fread_chars(buf, length, pfile);
}
/* Put command list data. */
int
clist_put_data(const gx_device_clist *cdev, int select, int64_t offset, const byte *buf, int length)
{
const gx_band_page_info_t *pinfo = &cdev->common.page_info;
clist_file_ptr pfile = (!select ? pinfo->bfile : pinfo->cfile);
int64_t code;
code = pinfo->io_procs->ftell(pfile);
if (code < 0)
return_error(gs_error_unregistered); /* Must not happen. */
if (code != offset) {
/* Assuming a consecutive writing only. */
return_error(gs_error_unregistered); /* Must not happen. */
}
/* This assumes that fwrite_chars doesn't return prematurely
when the buffer is not fully written, except with an error. */
return pinfo->io_procs->fwrite_chars(buf, length, pfile);
}
gx_device_clist *
clist_make_accum_device(gs_memory_t *mem, gx_device *target, const char *dname, void *base, int space,
gx_device_buf_procs_t *buf_procs, gx_band_params_t *band_params,
bool use_memory_clist, bool uses_transparency,
gs_pattern1_instance_t *pinst)
{
gx_device_clist *cdev = gs_alloc_struct(mem->stable_memory, gx_device_clist,
&st_device_clist, "clist_make_accum_device");
gx_device_clist_writer *cwdev = (gx_device_clist_writer *)cdev;
if (cdev == 0)
return 0;
memset(cdev, 0, sizeof(*cdev));
cwdev->params_size = sizeof(gx_device_clist);
cwdev->initialize_device_procs = clist_initialize_device_procs;
cwdev->dname = dname;
cwdev->memory = mem->stable_memory;
cwdev->stype = &st_device_clist;
cwdev->stype_is_dynamic = false;
rc_init(cwdev, mem->stable_memory, 1);
cwdev->retained = true;
cwdev->is_open = false;
cwdev->color_info = target->color_info;
cwdev->pinst = pinst;
cwdev->cached_colors = target->cached_colors;
if (pinst != NULL) {
cwdev->width = pinst->size.x;
cwdev->height = pinst->size.y;
cwdev->band_params.BandHeight = pinst->size.y;
} else {
cwdev->width = target->width;
cwdev->height = target->height;
}
cwdev->LeadingEdge = target->LeadingEdge;
cwdev->is_planar = target->is_planar;
cwdev->HWResolution[0] = target->HWResolution[0];
cwdev->HWResolution[1] = target->HWResolution[1];
cwdev->icc_cache_cl = NULL;
cwdev->icc_table = NULL;
cwdev->UseCIEColor = target->UseCIEColor;
cwdev->LockSafetyParams = true;
cwdev->initialize_device_procs((gx_device *)cwdev);
gx_device_fill_in_procs((gx_device *)cwdev);
gx_device_copy_color_params((gx_device *)cwdev, target);
rc_assign(cwdev->target, target, "clist_make_accum_device");
clist_init_io_procs(cdev, use_memory_clist);
cwdev->data = base;
cwdev->data_size = space;
memcpy (&(cwdev->buf_procs), buf_procs, sizeof(gx_device_buf_procs_t));
cwdev->page_uses_transparency = uses_transparency;
cwdev->band_params.BandWidth = cwdev->width;
cwdev->band_params.BandBufferSpace = 0;
cwdev->do_not_open_or_close_bandfiles = false;
cwdev->bandlist_memory = mem->non_gc_memory;
set_dev_proc(cwdev, get_clipping_box, gx_default_get_clipping_box);
set_dev_proc(cwdev, get_profile, gx_forward_get_profile);
set_dev_proc(cwdev, set_graphics_type_tag, gx_forward_set_graphics_type_tag);
cwdev->graphics_type_tag = target->graphics_type_tag; /* initialize to same as target */
cwdev->interpolate_control = target->interpolate_control; /* initialize to same as target */
/* to be set by caller: cwdev->finalize = finalize; */
/* Fields left zeroed :
int max_fill_band;
dev_proc_dev_spec_op(orig_spec_op);
float MediaSize[2];
float ImagingBBox[4];
bool ImagingBBox_set;
float Margins[2];
float HWMargins[4];
long PageCount;
long ShowpageCount;
int NumCopies;
bool NumCopies_set;
bool IgnoreNumCopies;
int disable_mask;
gx_page_device_procs page_procs;
*/
return cdev;
}
/* GC information */
#define DEVICE_MUTATED_TO_CLIST(pdev) \
(((gx_device_clist_mutatable *)(pdev))->buffer_space != 0)
static
ENUM_PTRS_WITH(device_clist_mutatable_enum_ptrs, gx_device_clist_mutatable *pdev)
if (DEVICE_MUTATED_TO_CLIST(pdev))
ENUM_PREFIX(st_device_clist, 0);
else
ENUM_PREFIX(st_device_forward, 0);
break;
ENUM_PTRS_END
static
RELOC_PTRS_WITH(device_clist_mutatable_reloc_ptrs, gx_device_clist_mutatable *pdev)
{
if (DEVICE_MUTATED_TO_CLIST(pdev))
RELOC_PREFIX(st_device_clist);
else
RELOC_PREFIX(st_device_forward);
} RELOC_PTRS_END
public_st_device_clist_mutatable();
int
clist_mutate_to_clist(gx_device_clist_mutatable *pdev,
gs_memory_t *buffer_memory,
byte **the_memory,
const gdev_space_params *space_params,
bool bufferSpace_is_exact,
const gx_device_buf_procs_t *buf_procs,
dev_proc_dev_spec_op(dev_spec_op),
uint min_buffer_space)
{
gx_device *target = (gx_device *)pdev;
uint space;
int code;
gx_device_clist *const pclist_dev = (gx_device_clist *)pdev;
gx_device_clist_common * const pcldev = &pclist_dev->common;
bool reallocate = the_memory != NULL && *the_memory != NULL;
byte *base;
bool save_is_open = pdev->is_open; /* Save around temporary failure in open_c loop */
while (target->parent != NULL) {
target = target->parent;
gx_update_from_subclass(target);
}
/* Try to allocate based simply on param-requested buffer size */
#ifdef DEBUGGING_HACKS
#define BACKTRACE(first_arg)\
BEGIN\
ulong *fp_ = (ulong *)&first_arg - 2;\
for (; fp_ && (fp_[1] & 0xff000000) == 0x08000000; fp_ = (ulong *)*fp_)\
dmprintf2(buffer_memory, " fp="PRI_INTPTR" ip=0x%lx\n", (intptr_t)fp_, fp_[1]);\
END
dmputs(buffer_memory, "alloc buffer:\n");
BACKTRACE(pdev);
#endif /*DEBUGGING_HACKS*/
for ( space = space_params->BufferSpace; ; ) {
base = (reallocate ?
(byte *)gs_resize_object(buffer_memory, *the_memory, space,
"cmd list buffer") :
gs_alloc_bytes(buffer_memory, space,
"cmd list buffer"));
if (base != NULL)
break; /* Allocation worked! Stop trying. */
if (bufferSpace_is_exact) {
/* We wanted a specific size. Accept no substitutes. */
break;
}
/* Let's try again for half the size. */
if (space == min_buffer_space)
break; /* We already failed at the minimum size. */
space >>= 1;
if (space < min_buffer_space)
space = min_buffer_space;
}
if (base == NULL)
return_error(gs_error_VMerror);
/* Try opening the command list, to see if we allocated */
/* enough buffer space. */
open_c:
if (the_memory)
*the_memory = base;
pdev->buf = base;
pdev->buffer_space = space;
pclist_dev->common.orig_spec_op = dev_spec_op;
clist_init_io_procs(pclist_dev, pdev->BLS_force_memory);
clist_init_params(pclist_dev, base, space, target,
*buf_procs,
space_params->band,
false, /* do_not_open_or_close_bandfiles */
(pdev->bandlist_memory == 0 ? pdev->memory->non_gc_memory:
pdev->bandlist_memory),
pdev->clist_disable_mask,
pdev->page_uses_transparency,
pdev->page_uses_overprint);
code = clist_open( (gx_device *)pcldev );
if (code < 0) {
/* If there wasn't enough room, and we haven't */
/* already shrunk the buffer, try enlarging it. */
if ( code == gs_error_rangecheck &&
space >= space_params->BufferSpace &&
!bufferSpace_is_exact
) {
space += space / 8;
if (reallocate) {
base = gs_resize_object(buffer_memory,
*the_memory, space,
"cmd list buf(retry open)");
} else {
gs_free_object(buffer_memory, base,
"cmd list buf(retry open)");
base = gs_alloc_bytes(buffer_memory, space,
"cmd list buf(retry open)");
if (the_memory != NULL)
*the_memory = base;
}
if (base != NULL) {
pdev->is_open = save_is_open; /* allow for success when we loop */
goto open_c;
}
}
/* Failure. */
if (!reallocate) {
gs_free_object(buffer_memory, base, "cmd list buf");
pdev->buffer_space = 0;
if (the_memory != NULL)
*the_memory = NULL;
pdev->buf = NULL;
}
}
return code;
}
|