-
Notifications
You must be signed in to change notification settings - Fork 12
/
FaxModem.c++
815 lines (755 loc) · 19.6 KB
/
FaxModem.c++
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
/* $Id$ */
/*
* Copyright (c) 1990-1996 Sam Leffler
* Copyright (c) 1991-1996 Silicon Graphics, Inc.
* HylaFAX is a trademark of Silicon Graphics
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Sam Leffler and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Sam Leffler and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include <ctype.h>
#include <stdlib.h>
#include "ClassModem.h"
#include "FaxServer.h"
#include "FaxTrace.h"
#include "FaxFont.h"
#include "t.30.h"
#include "Sys.h"
#include "SystemLog.h"
FaxModem::FaxModem(FaxServer& s, const ModemConfig& c)
: ClassModem(s,c)
, server(s)
{
tagLineFont = NULL;
minsp = BR_2400;
curreq = NULL;
group3opts = 0;
imagefd = 0;
// fill order settings may be overwritten in derived class
recvFillOrder = (conf.recvFillOrder != 0)? conf.recvFillOrder : FILLORDER_LSB2MSB;
sendFillOrder = (conf.sendFillOrder != 0)? conf.sendFillOrder : FILLORDER_LSB2MSB;
rtcRev = TIFFGetBitRevTable(sendFillOrder != FILLORDER_LSB2MSB);
}
FaxModem::~FaxModem()
{
delete tagLineFont;
}
/*
* Default methods for modem driver interface.
*/
u_int FaxModem::getTagLineSlop() const { return tagLineSlop; }
/*
* Do setup work prior to placing the call.
*/
bool
FaxModem::sendSetup(FaxRequest& req, const Class2Params&, Status&)
{
minsp = fxmax((u_int) req.minbr, fxmax((u_int) conf.minSpeed, modemParams.getMinSpeed()));
pageNumber = 1;
pageNumberOfJob = req.npages + 1;
pageNumberCovered = pageNumberSkipped = 0;
if (conf.tagLineCoverNumString.length() )
pageNumberOfJob -= req.ncover;
if (! conf.countSkippedPages)
pageNumberOfJob -= req.nskip;
if (conf.useJobTagLine && req.desiredtl != 0)
setupTagLine(req, req.tagline);
else
setupTagLine(req, conf.tagLineFmt);
curreq = &req;
return (true);
}
/*
* Do work at the beginning of a send operation;
* after a call has been established.
*/
void
FaxModem::sendBegin()
{
if (conf.sendBeginCmd != "")
atCmd(conf.sendBeginCmd);
optFrames = 0;
}
void FaxModem::sendSetupPhaseB(const fxStr&, const fxStr&){}
void FaxModem::sendEnd() {}
bool
FaxModem::recvBegin(Status&)
{
optFrames = 0;
return (true);
}
bool
FaxModem::recvEOMBegin(Status&)
{
optFrames = 0;
return (true);
}
bool
FaxModem::pollBegin(const fxStr&, const fxStr&, const fxStr&, Status&)
{
optFrames = 0;
return (true);
}
/*
* Issue a command upon successful reception.
*/
void
FaxModem::recvSucceeded()
{
if (conf.recvSuccessCmd != "")
atCmd(conf.recvSuccessCmd, AT_OK);
}
static void
stripBlanks(fxStr& d, const fxStr& s)
{
d = s;
d.remove(0, d.skip(0,' ')); // strip leading white space
u_int pos = d.skipR(d.length(),' ');
d.remove(pos, d.length() - pos); // and trailing white space
}
void
FaxModem::recvTSI(const fxStr& s)
{
stripBlanks(tsi, s);
protoTrace("REMOTE TSI \"%s\"", (const char*) tsi);
optFrames |= 0x1;
}
void
FaxModem::recvCSI(const fxStr& s)
{
stripBlanks(tsi, s);
protoTrace("REMOTE CSI \"%s\"", (const char*) tsi);
optFrames |= 0x1;
}
bool
FaxModem::getRecvTSI(fxStr& s)
{
if (optFrames & 0x1) {
s = tsi;
return (true);
} else
return (false);
}
bool FaxModem::getSendCSI(fxStr& s) { return getRecvTSI(s); }
void
FaxModem::recvPWD(const fxStr& s)
{
stripBlanks(pwd, s);
protoTrace("REMOTE PWD \"%s\"", (const char*) pwd);
optFrames |= 0x2;
}
bool
FaxModem::getRecvPWD(fxStr& s)
{
if (optFrames & 0x2) {
s = pwd;
return (true);
} else
return (false);
}
void
FaxModem::recvSUB(const fxStr& s)
{
stripBlanks(sub, s);
protoTrace("REMOTE SUB \"%s\"", (const char*) sub);
optFrames |= 0x4;
}
bool
FaxModem::getRecvSUB(fxStr& s)
{
if (optFrames & 0x4) {
s = sub;
return (true);
} else
return (false);
}
void
FaxModem::recvNSF( const NSF& aNsf )
{
nsf = aNsf;
optFrames |= 0x8;
protoTrace("REMOTE NSF \"%s\"", (const char*) nsf.getHexNsf() );
protoTrace("NSF remote fax equipment: %s %s",
(const char*)nsf.getVendor(),
(const char*)nsf.getModel());
if( nsf.stationIdFound() )
protoTrace("NSF %sremote station ID: \"%s\"",
nsf.vendorFound()? "": "possible ",
nsf.getStationId());
}
bool
FaxModem::getSendNSF(NSF& aNsf)
{
if (optFrames & 0x8) {
aNsf = nsf;
return (true);
} else {
return (false);
}
}
void
FaxModem::recvDCS(const Class2Params& params)
{
protoTrace("REMOTE wants %s", params.bitRateName());
protoTrace("REMOTE wants %s", params.pageWidthName());
protoTrace("REMOTE wants %s", params.pageLengthName());
protoTrace("REMOTE wants %s", params.verticalResName());
protoTrace("REMOTE wants %s", params.dataFormatName());
if (params.ec != EC_DISABLE)
protoTrace("REMOTE wants %s", params.ecmName());
}
const Class2Params& FaxModem::getRecvParams() const { return params; }
/*
* Decode the post-page-handling string to get page
* chopping information for the current page. The
* page chop information is optional and always
* precedes the page-handling information, so at least
* 2+5+1 characters must be present. The format of the
* information is:
*
* xxZcccxM
*
* xx is the hex-encoded session parameters (see below),
* M is a post-page message, and cccc is an optional 4-digit
* hex encoding of the number of bytes to chop from the
* encoded page data. Note also that we only return the
* chop count if the negotiated session parameters permit
* us to send a variable-length page.
*/
u_int
FaxModem::decodePageChop(const fxStr& pph, const Class2Params& params)
{
if (params.ln == LN_INF && pph.length() >= 2+5+1 && pph[2] == 'Z') {
char buf[5];
buf[0] = pph[2+1];
buf[1] = pph[2+2];
buf[2] = pph[2+3];
buf[3] = pph[2+4];
buf[4] = '\0';
return ((u_int) strtoul(buf, NULL, 16));
} else
return (0);
}
/*
* Decode the post-page-handling string to get the next
* post-page message. The string is assumed to have 3
* characters per page of the form:
*
* xxM
*
* where xx is a 2-digit hex encoding of the session
* parameters required to send the page data and the M
* the post-page message to use between this page and
* the next page. See faxQueueApp::preparePageHandling
* for the construction of this string.
*/
bool
FaxModem::decodePPM(const fxStr& pph, u_int& ppm, Status& eresult)
{
const char* what;
if (pph.length() >= 3 && (pph[2] != 'Z' || pph.length() >= 2+5+1)) {
switch (pph[pph[2] == 'Z' ? 2+5 : 2+0]) {
case 'P': ppm = PPM_EOP; return (true);
case 'M': ppm = PPM_EOM; return (true);
case 'S': ppm = PPM_MPS; return (true);
case 'X': ppm = PPH_SKIP; return (true);
}
what = "unknown";
} else
what = "bad";
eresult = Status(303, "Internal botch; %s post-page handling string \"%s\"",
what, (const char*) pph);
return (false);
}
/*
* Modem capability (and related) query interfaces.
*/
u_int
FaxModem::getCapabilities() const
{
return modemParams.encodeCaps();
}
static u_int
bestBit(u_int bits, u_int top, u_int bot)
{
while (top > bot && (bits & BIT(top)) == 0)
top--;
return (top);
}
/*
* Return Class 2 code for best modem signalling rate.
*/
u_int
FaxModem::getBestSignallingRate() const
{
return bestBit(modemParams.br, BR_33600, BR_2400);
}
/*
* Compare the requested signalling rate against
* those the modem can do and return the appropriate
* Class 2 bit rate code.
*/
int
FaxModem::selectSignallingRate(int br) const
{
for (; br >= 0 && (modemParams.br & BIT(br)) == 0; br--)
;
return (br);
}
/*
* Compare the requested min scanline time
* to what the modem can do and return the
* lowest time the modem can do.
*/
int
FaxModem::selectScanlineTime(int st) const
{
for (; st < ST_40MS && (modemParams.st & BIT(st)) == 0; st++)
;
return (st);
}
/*
* Return the best min scanline time the modem
* is capable of supporting.
*/
u_int
FaxModem::getBestScanlineTime() const
{
u_int st;
for (st = ST_0MS; st < ST_40MS; st++)
if (modemParams.st & BIT(st))
break;
return st;
}
/*
* Return the best vres the modem supports.
*/
u_int
FaxModem::getVRes() const
{
/*
* We don't use bestBit() here because T.32 Table 21
* states that VR is to be reported as a bitmask
* of supported resolutions. So we already have it.
*/
return (modemParams.vr);
}
/*
* Return the best page width the modem supports.
*/
u_int
FaxModem::getBestPageWidth() const
{
// XXX NB: we don't use anything > WD_A3
return bestBit(modemParams.wd, WD_A3, WD_A4);
}
/*
* Return the best page length the modem supports.
*/
u_int
FaxModem::getBestPageLength() const
{
return bestBit(modemParams.ln, LN_INF, LN_A4);
}
/*
* Return the best data format the modem supports.
*/
u_int
FaxModem::getBestDataFormat() const
{
return bestBit(modemParams.df, DF_JBIG, DF_1DMH);
}
/*
* Return the best ECM functionality the modem supports.
*/
u_int
FaxModem::getBestECM() const
{
return bestBit(modemParams.ec, EC_ECLFULL, EC_DISABLE);
}
/*
* Return whether or not the modem supports 2DMR.
*/
bool
FaxModem::supports2D() const
{
return (modemParams.df & BIT(DF_2DMR)) != 0;
}
/*
* Return whether or not the modem supports 2DMMR.
*/
bool
FaxModem::supportsMMR() const
{
return (modemParams.df & BIT(DF_2DMMR)) != 0;
}
/*
* Return whether or not the modem supports JBIG.
*/
bool
FaxModem::supportsJBIG() const
{
return (modemParams.df & BIT(DF_JBIG)) != 0;
}
/*
* Return whether or not received EOLs are byte aligned.
*/
bool
FaxModem::supportsEOLPadding() const
{
return false;
}
/*
* Return whether or not the modem is capable of polling.
*/
bool
FaxModem::supportsPolling() const
{
return false;
}
/*
* Return whether or not the modem supports
* the optional Error Correction Mode (ECM).
*/
bool
FaxModem::supportsECM(u_int ec) const
{
if (ec)
return (modemParams.ec & BIT(ec)) != 0;
else // supports "any ecm"
return (modemParams.ec &~ BIT(EC_DISABLE)) != 0;
}
/*
* Return whether or not the modem supports the
* specified vertical resolution. Note that we're
* rather tolerant because of potential precision
* problems and general sloppiness on the part of
* applications writing TIFF files.
*
* Because R8 and R16 vertical resolutions are the same
* but differ by horizontal resolution, R16 is "coded"
* as "20" in order to support it.
*/
bool
FaxModem::supportsVRes(float res) const
{
if (3.0 <= res && res < 4.75)
return ((modemParams.vr & VR_NORMAL) || (modemParams.vr & VR_200X100)) != 0;
else if (5.9 <= res && res < 9.8)
return ((modemParams.vr & VR_FINE) || (modemParams.vr & VR_200X200)) != 0;
else if (9.8 <= res && res < 13)
return (modemParams.vr & VR_300X300) != 0;
else if (13 <= res && res < 19)
return ((modemParams.vr & VR_R8) || (modemParams.vr & VR_200X400)) != 0;
else if (res == 20)
return (modemParams.vr & VR_R16) != 0;
else
return false;
}
/*
* Return whether or not the modem supports the
* specified page width.
*/
bool
FaxModem::supportsPageWidth(u_int w, u_int r) const
{
switch (r) {
case VR_R16:
switch (w) {
case 3456: return (modemParams.wd & BIT(WD_A4)) != 0;
case 4096: return (modemParams.wd & BIT(WD_B4)) != 0;
case 4864: return (modemParams.wd & BIT(WD_A3)) != 0;
}
case VR_300X300:
switch (w) {
case 2592: return (modemParams.wd & BIT(WD_A4)) != 0;
case 3072: return (modemParams.wd & BIT(WD_B4)) != 0;
case 3648: return (modemParams.wd & BIT(WD_A3)) != 0;
}
case VR_NORMAL:
case VR_FINE:
case VR_R8:
case VR_200X100:
case VR_200X200:
case VR_200X400:
switch (w) {
case 1728: return (modemParams.wd & BIT(WD_A4)) != 0;
case 2048: return (modemParams.wd & BIT(WD_B4)) != 0;
case 2432: return (modemParams.wd & BIT(WD_A3)) != 0;
}
}
return false;
}
/*
* Return whether or not the modem supports the
* specified page length. As above for vertical
* resolution we're lenient in what we accept.
*/
bool
FaxModem::supportsPageLength(u_int l) const
{
// XXX probably need to be more forgiving with values
if (270 < l && l <= 330)
return (modemParams.ln & (BIT(LN_A4)|BIT(LN_INF))) != 0;
else if (330 < l && l <= 390)
return (modemParams.ln & (BIT(LN_B4)|BIT(LN_INF))) != 0;
else
return (modemParams.ln & BIT(LN_INF)) != 0;
}
/*
* Return modems best capabilities for setting up
* the initial T.30 DIS when receiving data.
*/
FaxParams
FaxModem::modemDIS() const
{
Class2Params tmp(modemParams);
tmp.update(true);
return tmp;
}
/*
* Tracing support.
*/
/*
* Trace a modem's capabilities.
*/
void
FaxModem::traceModemParams()
{
traceBitMask(modemParams.vr, Class2Params::verticalResNames);
traceBits(modemParams.br, Class2Params::bitRateNames);
traceBits(modemParams.wd, Class2Params::pageWidthNames);
traceBits(modemParams.ln, Class2Params::pageLengthNames);
u_int dataforms = modemParams.df + ((modemParams.jp & (BIT(JP_GREY) | BIT(JP_COLOR))) << 4);
traceBits(dataforms, Class2Params::dataFormatNames);
if (supportsECM())
traceBits(modemParams.ec, Class2Params::ecmNames);
if (modemParams.bf & BIT(BF_ENABLE))
modemSupports("binary file transfer");
traceBits(modemParams.st, Class2Params::scanlineTimeNames);
}
void
FaxModem::traceFCF(const char* dir, u_int fcf)
{
const char* fcfname;
switch (fcf & 0x7F) {
case 0x00:
fcfname = "NULL (more blocks, same page)";
break;
case FCF_DIS:
fcfname = "DIS (identification signal)";
break;
case FCF_DCS:
fcfname = "DCS (command signal)";
break;
case FCF_CSI:
fcfname = "CSI (called subscriber id)";
break;
case FCF_TSI:
fcfname = "TSI (sender id)";
break;
case FCF_CFR:
fcfname = "CFR (confirmation to receive)";
break;
case FCF_FTT:
fcfname = "FTT (failure to train)";
break;
case FCF_CRP:
fcfname = "CRP (command repeat)";
break;
case FCF_EOM:
fcfname = "EOM (more documents)";
break;
case FCF_MPS:
fcfname = "MPS (more pages, same document)";
break;
case FCF_EOR:
fcfname = "EOR (end of retransmission)";
break;
case FCF_EOP:
fcfname = "EOP (no more pages or documents)";
break;
case FCF_RR:
fcfname = "RR (receive ready)";
break;
case FCF_CTC:
fcfname = "CTC (continue to correct)";
break;
case FCF_PRI_EOM:
fcfname = "PRI-EOM (more documents after interrupt)";
break;
case FCF_PRI_MPS:
fcfname = "PRI-MPS (more pages after interrupt)";
break;
case FCF_PRI_EOP:
fcfname = "PRI-EOP (no more pages after interrupt)";
break;
case FCF_PPS:
fcfname = "PPS (partial page signal)";
break;
case FCF_DCN:
fcfname = "DCN (disconnect)";
break;
case FCF_CTR:
fcfname = "CTR (confirm continue to correct)";
break;
case FCF_NSF:
fcfname = "NSF (non-standard facilities)";
break;
case FCF_NSS:
fcfname = "NSS (non-standard setup)";
break;
case FCF_MCF:
fcfname = "MCF (message confirmation)";
break;
case FCF_RTN:
fcfname = "RTN (retrain negative)";
break;
case FCF_RTP:
fcfname = "RTP (retrain positive)";
break;
case FCF_PIN:
fcfname = "PIN (procedural interrupt negative)";
break;
case FCF_PIP:
fcfname = "PIP (procedural interrupt positive)";
break;
case FCF_RNR:
fcfname = "RNR (receive not ready)";
break;
case FCF_ERR:
fcfname = "ERR (confirm end of retransmisison)";
break;
case FCF_PPR:
fcfname = "PPR (partial page request)";
break;
case FCF_SUB:
fcfname = "SUB (subaddress)";
break;
case FCF_PWD:
fcfname = "PWD (password)";
break;
default:
protoTrace("unknown FCF 0x%X", fcf);
return;
}
protoTrace("%s %s", dir, (const char*) fcfname);
}
/*
* Modem i/o support.
*/
/*
* Miscellaneous server interfaces hooks.
*/
bool FaxModem::isFaxModem() const { return true; }
bool FaxModem::getHDLCTracing()
{ return (server.getSessionTracing() & FAXTRACE_HDLC) != 0; }
bool FaxModem::getECMTracing()
{ return (server.getSessionTracing() & FAXTRACE_ECM) != 0; }
FaxSendStatus
FaxModem::sendSetupParams(TIFF* tif, Class2Params& params,
FaxMachineInfo& info, Status& eresult)
{
return server.sendSetupParams(tif, params, info, eresult);
}
/*
* Record the file offset to the start of the data
* in the file. We write zero bytes to force the
* strip offset to be setup in case this is the first
* time the strip is being written.
*/
void
FaxModem::recvStartPage(TIFF* tif)
{
u_char null[1];
(void) TIFFWriteRawStrip(tif, 0, null, 0);
(void) TIFFGetField(tif, TIFFTAG_STRIPOFFSETS, &savedWriteOff);
(void) TIFFGetField(tif, TIFFTAG_STRIPBYTECOUNTS, &savedStripByteCounts);
pageStarted = true;
}
/*
* Reset the TIFF state for the current page so that
* subsequent data overwrites anything previously
* written. This is done by reseting the file offset
* and setting the strip's bytecount and offset to
* values they had at the start of the page. This
* scheme assumes that only page data is written to
* the file between the time recvSetupPage is called
* and recvResetPage is called.
*/
void
FaxModem::recvResetPage(TIFF* tif)
{
if (!pageStarted) return;
TIFFSetWriteOffset(tif, 0); // force library to reset state
TIFFSetField(tif, TIFFTAG_STRIPOFFSETS, savedWriteOff);
TIFFSetField(tif, TIFFTAG_STRIPBYTECOUNTS, savedStripByteCounts);
}
void
FaxModem::countPage(PageType pt)
{
pageNumber++;
pageNumberOfJob++;
if (pt == PAGE_COVER)
pageNumberCovered++;
if (pt == PAGE_SKIP)
pageNumberSkipped++;
}
int
FaxModem::getPageNumber()
{
return pageNumber;
}
void
FaxModem::notifyPageSent(TIFF* tif, PageType pt)
{
if (curreq)
server.notifyPageSent(*curreq, TIFFFileName(tif), pt);
}
#include "MemoryDecoder.h"
void
FaxModem::correctPhaseCData(u_char* buf, u_long& pBufSize,
u_int fillorder, const Class2Params& params, uint32& rows)
{
u_char* endOfData;
MemoryDecoder dec1(buf, params.pageWidth(), pBufSize, fillorder, params.is2D(), false);
dec1.fixFirstEOL();
/*
* We have to construct new decoder. See comments to cutExtraRTC().
*/
MemoryDecoder dec2(buf, params.pageWidth(), pBufSize, fillorder, params.is2D(), false);
endOfData = dec2.cutExtraRTC();
// we don't update rows because we don't decode the entire image
if( endOfData )
pBufSize = endOfData - buf;
}
u_char*
FaxModem::convertPhaseCData(u_char* buf, u_long& totdata, u_int fillorder,
const Class2Params& params, const Class2Params& newparams, uint32& rows)
{
MemoryDecoder dec(buf, params.pageWidth(), totdata, fillorder, params.is2D(), (params.df == DF_2DMMR));
u_char* data = dec.convertDataFormat(newparams);
totdata = dec.getCC();
rows = dec.getRows();
return (data);
}
bool FaxModem::isCountingSkippedPages () const
{
return conf.countSkippedPages;
}