-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathImage_Renderer.cc
2984 lines (2778 loc) · 77.8 KB
/
Image_Renderer.cc
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
/* Image_Renderer
HiROC CVS ID: $Id: Image_Renderer.cc,v 1.58 2013/05/22 23:27:23 guym Exp $
Copyright (C) 2010-2011 Arizona Board of Regents on behalf of the
Planetary Image Research Laboratory, Lunar and Planetary Laboratory at
the University of Arizona.
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License, version 2.1,
as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*******************************************************************************/
#include "Image_Renderer.hh"
#include "Plastic_Image.hh"
#include "Plastic_QImage.hh"
#include "JP2_Image.hh"
#include "HiView_Utilities.hh"
// UA::HiRISE::JP2_Reader.
#include "JP2.hh"
using UA::HiRISE::JP2;
#include "JP2_Reader.hh"
using UA::HiRISE::JP2_Reader;
#include "JP2_Exception.hh"
using UA::HiRISE::JP2_Exception;
#include <QFileInfo>
#include <cmath>
#include <stdexcept>
using std::exception;
#include <cassert>
#if defined (DEBUG_SECTION)
/*******************************************************************************
DEBUG_SECTION controls
DEBUG_SECTION report selection options.
Define any of the following options to obtain the desired debug reports:
*/
#define DEBUG_OFF 0
#define DEBUG_ALL -1
#define DEBUG_CONSTRUCTORS (1 << 0)
#define DEBUG_ACCESSORS (1 << 1)
#define DEBUG_SLOTS (1 << 2)
#define DEBUG_SIGNALS (1 << 3)
#define DEBUG_STATUS (1 << 4)
#define DEBUG_STATUS_NOTICE (1 << 5)
#define DEBUG_RENDER (1 << 6)
#define DEBUG_NOTIFY (1 << 7)
#define DEBUG_NOTIFY_VISIBLE (1 << 8)
#define DEBUG_LOAD_IMAGE (1 << 9)
#define DEBUG_CLONE_IMAGE (1 << 10)
#define DEBUG_QUEUE (1 << 11)
#define DEBUG_DELETE_TILES (1 << 12)
#define DEBUG_HELPERS (1 << 13)
#define DEBUG_PROMPT (1 << 14)
#define DEBUG_OVERVIEW (1 << 15)
#define DEBUG_LOCATION (1 << 16)
#define DEBUG_IMAGE_ACCOUNTING (DEBUG_CLONE_IMAGE | \
DEBUG_DELETE_TILES)
#define DEBUG_TILE_MARKINGS (1 << 20)
#define TILE_MARKINGS_COLOR Qt::green
#define TILE_MARKINGS_ANTE_Y 12
#define TILE_MARKINGS_CANCELED_COLOR Qt::yellow
#define TILE_MARKINGS_CANCELED_Y 24
#define TILE_MARKINGS_POST_Y 48
#define DEBUG_DEFAULT DEBUG_ALL
#if (DEBUG_SECTION+0) == 0
#undef DEBUG_SECTION
#define DEBUG_SECTION DEBUG_OFF
#else
#include <QThread>
#include <iostream>
using std::clog;
using std::cin;
#include <iomanip>
using std::endl;
using std::boolalpha;
using std::flush;
using std::dec;
#if ((DEBUG_SECTION) & (DEBUG_CLONE_IMAGE | DEBUG_QUEUE | DEBUG_DELETE_TILES))
#include <QList>
#endif
#endif
#endif // DEBUG_SECTION
namespace UA
{
namespace HiRISE
{
/*==============================================================================
Constants
*/
const char* const
Image_Renderer::ID =
"UA::HiRISE::Image_Renderer ($Revision: 1.58 $ $Date: 2013/05/22 23:27:23 $)";
const int
Image_Renderer::DO_NOT_WAIT = 0,
Image_Renderer::WAIT_UNTIL_DONE = (1 << 0),
Image_Renderer::DELETE_WHEN_DONE = (1 << 1),
Image_Renderer::FORCE_CANCEL = (1 << 2);
const QPoint
Image_Renderer::LOW_PRIORITY_RENDERING;
const bool
Image_Renderer::CANCELABLE = true;
/*==============================================================================
Class data
*/
QMutex
Image_Renderer::Rendering_Lock;
/*------------------------------------------------------------------------------
Defaults
*/
#ifndef DEFAULT_MIN_SOURCE_IMAGE_AREA
#define DEFAULT_MIN_SOURCE_IMAGE_AREA (1 << 20)
#endif
#ifndef DEFAULT_MAX_SOURCE_IMAGE_AREA
#define DEFAULT_MAX_SOURCE_IMAGE_AREA (2 << 20)
#endif
unsigned long
Image_Renderer::Default_Min_Source_Image_Area
= DEFAULT_MIN_SOURCE_IMAGE_AREA,
Image_Renderer::Default_Max_Source_Image_Area
= DEFAULT_MAX_SOURCE_IMAGE_AREA;
#ifndef DEFAULT_WAIT_SECONDS
#define DEFAULT_WAIT_SECONDS 20
#endif
int
Image_Renderer::Wait_Seconds = DEFAULT_WAIT_SECONDS;
#ifndef DOXYGEN_PROCESSING
/*------------------------------------------------------------------------------
Image rendering monitor.
*/
/** Rendering Process Monitor
<b>N.B.</b>: The rendering monitor must be {@link
add_rendering_monitor(Plastic_Image::Rendering_Monitor*) registered
with a Plastic_Image to receive its rendering notices. It should be
(@link remove_rendering_monitor(Plastic_Image::Rendering_Monitor*)
removed} when notices are no longer to be received and forwarded.
A Image_Renderer_Rendering_Monitor object registered with a
Plastic_Image recieves notices at increments during image rendering.
The notice specifies the status of the rendering process, a status
message, and the image region that was rendered in the rendering
increment just completed.
*/
class Image_Renderer_Rendering_Monitor
: public Plastic_Image::Rendering_Monitor
{
private:
Image_Renderer
*Owner;
public:
Image_Renderer_Rendering_Monitor
(
Image_Renderer* owner = NULL
)
{Owner = owner;}
bool
notification
(
#if ((DEBUG_SECTION) & (DEBUG_RENDER | \
DEBUG_NOTIFY | \
DEBUG_NOTIFY_VISIBLE | \
DEBUG_LOCATION))
Plastic_Image& image,
#else
Plastic_Image&,
#endif
Plastic_Image::Rendering_Monitor::Status status,
const QString& message,
const QRect& tile_region
)
{
#if ((DEBUG_SECTION) & (DEBUG_RENDER | \
DEBUG_NOTIFY | \
DEBUG_NOTIFY_VISIBLE | \
DEBUG_LOCATION))
void*
thread_ID = (void*)QThread::currentThreadId ();
QString
pathname (object_pathname (Owner));
#if ((DEBUG_SECTION) & DEBUG_NOTIFY_VISIBLE)
if (Owner->Active_Tile->is_high_priority ())
#endif
clog << "++> Image_Renderer::Image_Renderer_Rendering_Monitor::notification "
<< thread_ID << endl
<< " status " << status << " \"" << message << '"' << endl
<< " Owner Image_Renderer @ " << (void*)Owner << ' ' << pathname << endl
<< " image @ " << (void*)&image << " - " << image.source_name () << endl
<< " tile_region = " << tile_region << endl
<< " Active_Tile " << *(Owner->Active_Tile) << endl;
#endif
if (Owner)
{
// >>> SIGNAL <<<
Owner->send_status_notice (message);
if (! Owner->Active_Tile->Tile_Region.isEmpty () && // Visible in display?
(status & Plastic_Image::Rendering_Monitor::RENDERED_DATA_MASK))
{
// >>> SIGNAL <<<
Owner->send_rendered
(Owner->Active_Tile->Tile_Coordinate, tile_region);
#if ((DEBUG_SECTION) & (DEBUG_RENDER | \
DEBUG_NOTIFY | \
DEBUG_NOTIFY_VISIBLE | \
DEBUG_LOCATION))
clog << " notification sent rendered signal" << endl;
#if ((DEBUG_SECTION) & DEBUG_NOTIFY_VISIBLE)
if (Owner->Active_Tile->is_high_priority ())
{
#endif
#if ((DEBUG_SECTION) & DEBUG_PROMPT)
char
input[4];
clog << "vis. tile " << Owner->Active_Tile->Tile_Coordinate
<< " region " << tile_region << " > ";
cin.getline (input, 2);
if (input[0] == 'q')
exit (7);
#endif
#if ((DEBUG_SECTION) & DEBUG_NOTIFY_VISIBLE)
}
#endif
#endif
}
}
#if ((DEBUG_SECTION) & (DEBUG_RENDER | \
DEBUG_NOTIFY | \
DEBUG_NOTIFY_VISIBLE | \
DEBUG_LOCATION))
clog << "<++ Image_Renderer::Image_Renderer_Rendering_Monitor::notification "
<< thread_ID << ": true" << endl;
#endif
return true;
}
}; // Image_Renderer_Rendering_Monitor
#endif
// Signal emitter proxies for the rendering_montitor:
void
Image_Renderer::send_status_notice
(
const QString& message
)
{
#if ((DEBUG_SECTION) & (DEBUG_NOTIFY | DEBUG_SIGNALS | DEBUG_STATUS_NOTICE))
void*
thread_ID = (void*)QThread::currentThreadId ();
LOCKED_LOGGING ((
clog << " Image_Renderer::Image_Renderer_Rendering_Monitor::notification "
<< thread_ID << ": emit status_notice \"" << message << '"' << endl));
#endif
// >>> SIGNAL <<<
emit status_notice (message);
}
void
Image_Renderer::send_rendered
(
const QPoint& tile_coordinate,
const QRect& tile_region
)
{
#if ((DEBUG_SECTION) & (DEBUG_NOTIFY | DEBUG_SIGNALS))
void*
thread_ID = (void*)QThread::currentThreadId ();
LOCKED_LOGGING ((
clog << " Image_Renderer::Image_Renderer_Rendering_Monitor::notification "
<< thread_ID << ": emit rendered -" << endl
<< " tile_coordinate = " << tile_coordinate << endl
<< " tile_region = " << tile_region << endl));
#endif
// >>> SIGNAL <<<
emit rendered (tile_coordinate, tile_region);
}
/*------------------------------------------------------------------------------
Accounting
*/
#if defined (DEBUG_SECTION) && DEBUG_SECTION != 0
namespace
{
void
print_queue
(
const Image_Renderer::Tile_Queue& queue
)
{
clog << " " << queue.size () << " queue entries";
if (queue.size ())
{
clog << " -" << endl
<< " -------------------------------------" << endl;
for (int index = 0;
index < queue.size ();
index++)
clog << " " << index << ": " << *queue[index] << endl;
clog << " -------------------------------------" << endl;
}
else
clog << endl;
}
}
void
Image_Renderer::print_render_queue () const
{
QString
pathname (object_pathname (this));
bool
locked = Queue_Lock.tryLock ();
LOCK_LOG;
if (Active_Tile)
clog << " Image_Renderer::Active_Tile -" << endl
<< " " << *Active_Tile << endl;
clog << " Image_Renderer::Render_Queue" << endl
<< " in " << pathname << endl;
print_queue (Render_Queue);
UNLOCK_LOG;
if (locked)
Queue_Lock.unlock ();
}
void
Image_Renderer::print_delete_queue () const
{
QString
pathname (object_pathname (this));
bool
locked = Queue_Lock.tryLock ();
LOCK_LOG;
clog << " Image_Renderer::Delete_Queue" << endl
<< " in " << pathname << endl;
print_queue (Delete_Queue);
UNLOCK_LOG;
if (locked)
Queue_Lock.unlock ();
}
#else
void
Image_Renderer::print_render_queue () const
{}
void
Image_Renderer::print_delete_queue () const
{}
#endif
#if defined (DEBUG_SECTION) && DEBUG_SECTION != 0
namespace
{
QList<Plastic_Image*>
Image_Accounting;
}
void
Image_Renderer::image_accounting ()
{
clog << " " << Image_Accounting.size () << " extant Plastic_Images";
if (Image_Accounting.size ())
{
clog << " -" << endl
<< " -------------------------------------" << endl;
for (int
index = 0;
index < Image_Accounting.size ();
index++)
{
if (Image_Accounting[index] == Source_Image)
clog << "SSS ";
else
if (Image_Accounting[index] == Reference_Image)
clog << "RRR ";
else
clog << " ";
clog << index << ": " << *Image_Accounting[index] << endl;
}
clog << " -------------------------------------" << endl;
}
else
clog << endl;
}
#else
void
Image_Renderer::image_accounting ()
{}
#endif
/*==============================================================================
Constructors
*/
Image_Renderer::Image_Renderer
(
QObject* parent
)
:
QObject (parent),
Suspended (true),
Runnable (false),
Finish (false),
Immediate_Mode (false),
Source_Image (new Plastic_QImage ()),
Max_Source_Image_Area (Default_Max_Source_Image_Area),
Reference_Image (Source_Image->clone (QSize (0, 0))),
Active_Tile (NULL),
Cancel (false),
Image_Rendering_Monitor (new Image_Renderer_Rendering_Monitor (this))
{
setObjectName ("Image_Renderer");
#if ((DEBUG_SECTION) & (DEBUG_CONSTRUCTORS | DEBUG_IMAGE_ACCOUNTING))
LOCKED_LOGGING ((
clog << ">-< Image_Renderer @ " << (void*)this
<< ": " << object_pathname (this) << endl
<< " initial Source_Image " << *Source_Image << endl
<< " initial Reference_Image " << *Reference_Image << endl));
#endif
#if defined (DEBUG_SECTION) && DEBUG_SECTION != 0
if (Reference_Image)
Image_Accounting.append (Reference_Image);
#endif
}
Image_Renderer::~Image_Renderer()
{
#if defined (DEBUG_SECTION) && DEBUG_SECTION != 0
QString
pathname (object_pathname (this));
#endif
#if ((DEBUG_SECTION) & (DEBUG_CONSTRUCTORS | DEBUG_IMAGE_ACCOUNTING))
LOCKED_LOGGING ((
clog << ">>> ~Image_Renderer @ " << (void*)this
<< ": " << pathname << endl));
#endif
/* >>> WARNING <<< This Image_Renderer is destroyed AFTER any derived
classes. This creates complications for the order in which finish
operations are done. It is assumed that derived class destructors
will call this base class finish method. After the base class is
destroyed it may not be possible to call the virtual finish method,
and the local finish method will call the virtual start_rendering
method. So, to avoid this snafu the finish mehtod is only called if
it has not yet been called (Finish is not set). This has the
additional benefit of avoiding a potential redundant finish.
*/
if (! Finish)
finish ();
if (Reference_Image)
{
#if ((DEBUG_SECTION) & (DEBUG_CONSTRUCTORS | DEBUG_IMAGE_ACCOUNTING))
LOCKED_LOGGING ((
clog << " delete the Reference_Image -" << endl
<< " " << *Reference_Image << endl));
#endif
delete Reference_Image;
#if defined (DEBUG_SECTION) && DEBUG_SECTION != 0
if (! Image_Accounting.removeAll (Reference_Image))
{
LOCKED_LOGGING ((
clog << "!!! Reference_Image not accounted for" << endl
<< " in " << pathname << endl));
}
#endif
}
if (Image_Rendering_Monitor)
delete Image_Rendering_Monitor;
#if ((DEBUG_SECTION) & (DEBUG_CONSTRUCTORS | DEBUG_IMAGE_ACCOUNTING))
print_render_queue ();
print_delete_queue ();
LOCK_LOG;
image_accounting ();
clog << " in " << pathname << endl
<< "<<< ~Image_Renderer @ " << (void*)this << endl;
UNLOCK_LOG;
#endif
}
/*==============================================================================
Accessors
*/
const Image_Renderer::Shared_Image
Image_Renderer::source_image () const
{
QMutexLocker
queue_lock (&Queue_Lock);
return Source_Image;
}
Plastic_Image*
Image_Renderer::reference_image () const
{
QMutexLocker
queue_lock (&Queue_Lock);
return Reference_Image;
}
void
Image_Renderer::immediate_mode
(
bool enable
)
{
#if ((DEBUG_SECTION) & DEBUG_ACCESSORS)
LOCKED_LOGGING ((
clog << ">-< Image_Renderer::immediate_mode "
<< (void*)QThread::currentThreadId ()
<< ": " << boolalpha << enable << endl));
#endif
QMutexLocker
mode_lock (&Mode_Lock);
Immediate_Mode = enable;
}
bool
Image_Renderer::immediate_mode () const
{
#if ((DEBUG_SECTION) & DEBUG_ACCESSORS)
void*
thread_ID = (void*)QThread::currentThreadId ();
LOCKED_LOGGING ((
clog << ">>> Image_Renderer::immediate_mode " << thread_ID << endl));
#endif
QMutexLocker
mode_lock (&Mode_Lock);
bool
immediate_mode = Immediate_Mode;
#if ((DEBUG_SECTION) & DEBUG_ACCESSORS)
LOCKED_LOGGING ((
clog << "<<< Image_Renderer::immediate_mode " << thread_ID
<< ": " << boolalpha << immediate_mode << endl));
#endif
return immediate_mode;
}
/*==============================================================================
Queue management
*/
void
Image_Renderer::queue
(
Plastic_Image* image,
const QPoint& tile_coordinate,
const QRect& tile_region,
bool cancelable
)
{
if (! image)
return;
Image_Tile
*image_tile =
new Image_Tile (image, tile_coordinate, tile_region, cancelable);
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
void*
thread_ID = (void*)QThread::currentThreadId ();
QString
pathname (object_pathname (this));
LOCKED_LOGGING ((
clog << ">>> Image_Renderer::queue " << thread_ID << ": image -" << endl
<< " " << *image << endl
<< " " << *image_tile << endl
<< " lock Queue_Lock" << endl
<< " in " << pathname << endl));
#endif
Queue_Lock.lock ();
int
index = find_tile (image, Render_Queue);
if (index < 0)
{
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " Image_Renderer::queue " << thread_ID
<< ": adding new tile" << endl
<< " in " << pathname << endl));
#endif
add_tile (image_tile);
}
else
{
// The image is already in the queue.
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " Image_Renderer::queue " << thread_ID
<< ": already in Render_Queue[" << index << "] -" << endl
<< " " << *Render_Queue[index] << endl
<< " in " << pathname << endl));
#endif
if (image_tile->status () == Render_Queue[index]->status () &&
image_tile->area () == Render_Queue[index]->area ())
{
// No priority change; replace the current entry.
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " Image_Renderer::queue " << thread_ID
<< ": replace Render_Queue[" << index << "] -" << endl
<< " " << *Render_Queue[index] << endl
<< " in " << pathname << endl));
#endif
// Delete the existing tile.
Render_Queue[index]->Delete_Image_When_Done = false;
delete Render_Queue[index];
// Replace the queue entry with the new tile.
Render_Queue[index] = image_tile;
}
else
{
// Change of priority; remove current entry and add new tile.
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " Image_Renderer::queue " << thread_ID
<< ": remove and delete Render_Queue[" << index << "] -" << endl
<< " " << *Render_Queue[index] << endl
<< " in " << pathname << endl));
#endif
// Delete the existing tile.
Render_Queue[index]->Delete_Image_When_Done = false;
delete Render_Queue.takeAt (index);
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " Image_Renderer::queue " << thread_ID
<< ": add new tile" << endl
<< " in " << pathname << endl));
#endif
add_tile (image_tile);
}
}
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCK_LOG;
clog << " Image_Renderer::queue " << thread_ID << endl
<< " in " << pathname << endl;
if (Active_Tile)
clog << " Active_Tile -" << endl
<< " " << *Active_Tile << endl;
clog << " Render_Queue -" << endl;
print_queue (Render_Queue);
clog << " Image_Renderer::queue " << thread_ID
<< ": unlock Queue_Lock" << endl
<< " in " << pathname << endl;
UNLOCK_LOG;
#endif
Queue_Lock.unlock ();
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " in " << pathname << endl
<< "<<< Image_Renderer::queue " << thread_ID << endl));
#endif
}
bool
Image_Renderer::is_queued
(
Plastic_Image* image
) const
{
QMutexLocker
queue_lock (&Queue_Lock);
bool
queued;
if (image)
queued = find_tile (image, Render_Queue) >= 0;
else
queued = Render_Queue.count () != 0;
return queued;
}
int
Image_Renderer::rendering_status () const
{
QMutexLocker
queue_lock (&Queue_Lock);
int
priority_status = 0;
if (Active_Tile)
priority_status = Active_Tile->status ();
else
if (! Render_Queue.isEmpty ())
priority_status = Render_Queue.first ()->status ();
return priority_status;
}
bool
Image_Renderer::is_rendering
(
Plastic_Image* image
) const
{
QMutexLocker
queue_lock (&Queue_Lock);
bool
rendering;
if (image)
rendering =
Active_Tile &&
Active_Tile->Image == image;
else
rendering = Active_Tile != NULL;
return rendering;
}
bool
Image_Renderer::will_delete
(
Plastic_Image* image
) const
{
QMutexLocker
queue_lock (&Queue_Lock);
return find_tile (image, Delete_Queue) >= 0;
}
bool
Image_Renderer::cancel
(
Plastic_Image* image,
int cancel_options
)
{
if (! image)
return false;
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
void*
thread_ID = (void*)QThread::currentThreadId ();
LOCK_LOG;
clog << ">>> Image_Renderer::cancel " << thread_ID << ": image -" << endl
<< " " << *image << endl
<< " cancel_options = " << cancel_options
<< " - " << cancel_options_descriptions (cancel_options) << endl
<< " lock Queue_Lock" << endl;
UNLOCK_LOG;
#endif
Queue_Lock.lock ();
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
QString
pathname (object_pathname (this));
LOCK_LOG;
clog << " Image_Renderer::cancel " << thread_ID << endl
<< " in " << pathname << endl;
if (Active_Tile)
clog << " Active_Tile -" << endl
<< " " << *Active_Tile << endl;
clog << " Render_Queue -" << endl;
print_queue (Render_Queue);
UNLOCK_LOG;
#endif
bool
canceled = true;
if (Active_Tile &&
Active_Tile->Image == image)
{
// Cancel rendering of the active tile.
#if ((DEBUG_SECTION) & (DEBUG_SLOTS | DEBUG_QUEUE))
LOCKED_LOGGING ((
clog << " Image_Renderer::cancel " << thread_ID
<< ": abort" << endl));
#endif
canceled = abort (cancel_options);
}
int
index = Render_Queue.size ();
while (index--)
{
if (Render_Queue[index]->Image == image)
{
if (cancel_options & DELETE_WHEN_DONE)
// Mark the tile image for deletion when the tile is destroyed.
Render_Queue[index]->Delete_Image_When_Done = true;
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " Image_Renderer::cancel " << thread_ID
<< ": queue for deletion Render_Queue[" << index << "] -"
<< endl
<< " " << *Render_Queue[index] << endl));
#endif
delete_tile (Render_Queue.takeAt (index));
}
}
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCK_LOG;
clog << " Image_Renderer::cancel " << thread_ID << endl;
if (Active_Tile)
clog << " Active_Tile -" << endl
<< " " << *Active_Tile << endl;
clog << " Render_Queue after canceling image @ "
<< (void*)image << " -" << endl;
print_queue (Render_Queue);
clog << " Image_Renderer::cancel " << thread_ID
<< ": unlock Queue_Lock" << endl;
UNLOCK_LOG;
#endif
Queue_Lock.unlock ();
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << "<<< Image_Renderer::cancel " << thread_ID
<< ": " << boolalpha << canceled << endl));
#endif
return canceled;
}
bool
Image_Renderer::cancel
(
int cancel_options
)
{
#if ((DEBUG_SECTION) & (DEBUG_SLOTS | DEBUG_QUEUE))
void*
thread_ID = (void*)QThread::currentThreadId ();
LOCK_LOG;
clog << ">>> Image_Renderer::cancel " << thread_ID
<< ": " << cancel_options
<< " - " << cancel_options_descriptions (cancel_options) << endl
<< " lock Queue_Lock" << endl;
UNLOCK_LOG;
#endif
Queue_Lock.lock ();
bool
done = clear (cancel_options);
#if ((DEBUG_SECTION) & (DEBUG_SLOTS | DEBUG_QUEUE))
LOCKED_LOGGING ((
clog << " Image_Renderer::cancel " << thread_ID
<< ": unlock Queue_Lock" << endl));
#endif
Queue_Lock.unlock ();
#if ((DEBUG_SECTION) & (DEBUG_SLOTS | DEBUG_QUEUE))
LOCKED_LOGGING ((
clog << "<<< Image_Renderer::cancel " << thread_ID
<< ": " << boolalpha << done << endl));
#endif
return done;
}
bool
Image_Renderer::reset
(
int cancel_options
)
{
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
void*
thread_ID = (void*)QThread::currentThreadId ();
QString
pathname (object_pathname (this)),
description (cancel_options_descriptions (cancel_options));
LOCKED_LOGGING ((
clog << ">>> Image_Renderer::reset " << thread_ID
<< ": " << cancel_options << " - " << description << endl
<< " in " << pathname << endl
<< " lock Queue_Lock" << endl));
#endif
Queue_Lock.lock ();
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " Image_Renderer::reset " << thread_ID << ": stop rendering" << endl
<< " in " << pathname << endl));
#endif
stop_rendering ();
bool
done = clear (cancel_options);
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " Image_Renderer::reset " << thread_ID
<< ": unlock Queue_Lock" << endl
<< " in " << pathname << endl));
#endif
Queue_Lock.unlock ();
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " in " << pathname << endl
<< "<<< Image_Renderer::reset " << thread_ID
<< ": " << boolalpha << done << endl));
#endif
return done;
}
int
Image_Renderer::find_tile
(
Plastic_Image* image,
const Tile_Queue& queue
)
{
int
index = queue.size ();
while (index)
if (queue[--index]->Image == image)
return index;
return -1;
}
void
Image_Renderer::add_tile
(
Image_Tile* image_tile
)
{
// >>> CAUTION: The Queue_Lock is expected to be locked.
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
void*
thread_ID = (void*)QThread::currentThreadId ();
QString
pathname (object_pathname (this));
LOCK_LOG;
clog << ">>> Image_Renderer::add_tile " << thread_ID
<< ": " << *image_tile << endl
<< " in " << pathname << endl;
if (Active_Tile)
clog << " Active_Tile -" << endl
<< " " << *Active_Tile << endl;
clog << " Render_Queue -" << endl;
print_queue (Render_Queue);
UNLOCK_LOG;
#endif
// Safety check for the image in the Delete_Queue.
int
index = find_tile (image_tile->Image, Delete_Queue);
if (index >= 0)
{
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << "!!! remove image of tile to add from the Delete_Queue -" << endl
<< " " << *Delete_Queue[index] << endl));
#endif
// Retain the Delete_Image_When_Done if set in either tile.
image_tile->Delete_Image_When_Done
|= Delete_Queue[index]->Delete_Image_When_Done;
// Remove the tile from the Delete_Queue.
Delete_Queue[index]->Delete_Image_When_Done = false;
delete Delete_Queue.takeAt (index);
}
// Safety check for the image in the Active_Tile.
if (Active_Tile &&
Active_Tile->Image == image_tile->Image)
{
#if ((DEBUG_SECTION) & DEBUG_QUEUE)
LOCKED_LOGGING ((
clog << " add tile with image of Active_Tile -" << endl