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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
// must be first
#include <canvas/debug.hxx>
#include <tools/diagnose_ex.h>
#include <canvas/verbosetrace.hxx>
#include <osl/diagnose.hxx>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/awt/FontWeight.hpp>
#include <comphelper/anytostring.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <vcl/metaact.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/wrkwin.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <rtl/math.hxx>
#include <com/sun/star/drawing/TextAnimationKind.hpp>
#include <vcl/svapp.hxx>
#include <vcl/window.hxx>
#include <tools/stream.hxx>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include <comphelper/scopeguard.hxx>
#include <canvas/canvastools.hxx>
#include <cmath>
#include <algorithm>
#include <functional>
#include <limits>
#include "drawshapesubsetting.hxx"
#include "drawshape.hxx"
#include "eventqueue.hxx"
#include "wakeupevent.hxx"
#include "subsettableshapemanager.hxx"
#include "intrinsicanimationactivity.hxx"
#include "slideshowexceptions.hxx"
#include "tools.hxx"
#include "gdimtftools.hxx"
#include "drawinglayeranimation.hxx"
#include <boost/bind.hpp>
#include <math.h>
using namespace ::com::sun::star;
namespace slideshow
{
namespace internal
{
// Private methods
GDIMetaFileSharedPtr DrawShape::forceScrollTextMetaFile()
{
if ((mnCurrMtfLoadFlags & MTF_LOAD_SCROLL_TEXT_MTF) != MTF_LOAD_SCROLL_TEXT_MTF)
{
// reload with added flags:
mpCurrMtf.reset( new GDIMetaFile );
mnCurrMtfLoadFlags |= MTF_LOAD_SCROLL_TEXT_MTF;
getMetaFile(
uno::Reference<lang::XComponent>(mxShape, uno::UNO_QUERY),
mxPage, *mpCurrMtf, mnCurrMtfLoadFlags,
mxComponentContext );
// TODO(F1): Currently, the scroll metafile will
// never contain any verbose text comments. Thus,
// can only display the full mtf content, no
// subsets.
maSubsetting.reset( mpCurrMtf );
// adapt maBounds. the requested scroll text metafile
// will typically have dimension different from the
// actual shape
::basegfx::B2DRectangle aScrollRect, aPaintRect;
ENSURE_OR_THROW( getRectanglesFromScrollMtf( aScrollRect,
aPaintRect,
mpCurrMtf ),
"DrawShape::forceScrollTextMetaFile(): Could "
"not extract scroll anim rectangles from mtf" );
// take the larger one of the two rectangles (that
// should be the bound rect of the retrieved
// metafile)
if( aScrollRect.isInside( aPaintRect ) )
maBounds = aScrollRect;
else
maBounds = aPaintRect;
}
return mpCurrMtf;
}
void DrawShape::updateStateIds() const
{
// Update the states, we've just redrawn or created a new
// attribute layer.
if( mpAttributeLayer )
{
mnAttributeTransformationState = mpAttributeLayer->getTransformationState();
mnAttributeClipState = mpAttributeLayer->getClipState();
mnAttributeAlphaState = mpAttributeLayer->getAlphaState();
mnAttributePositionState = mpAttributeLayer->getPositionState();
mnAttributeContentState = mpAttributeLayer->getContentState();
mnAttributeVisibilityState = mpAttributeLayer->getVisibilityState();
}
}
ViewShape::RenderArgs DrawShape::getViewRenderArgs() const
{
return ViewShape::RenderArgs(
maBounds,
getUpdateArea(),
getBounds(),
getActualUnitShapeBounds(),
mpAttributeLayer,
maSubsetting.getActiveSubsets(),
mnPriority);
}
bool DrawShape::implRender( int nUpdateFlags ) const
{
SAL_INFO( "slideshow", "::presentation::internal::DrawShape::implRender()" );
SAL_INFO( "slideshow", "::presentation::internal::DrawShape: 0x" << std::hex << this );
// will perform the update now, clear update-enforcing
// flags
mbForceUpdate = false;
mbAttributeLayerRevoked = false;
ENSURE_OR_RETURN_FALSE( !maViewShapes.empty(),
"DrawShape::implRender(): render called on DrawShape without views" );
if( maBounds.isEmpty() )
{
// zero-sized shapes are effectively invisible,
// thus, we save us the rendering...
return true;
}
// redraw all view shapes, by calling their update() method
if( ::std::count_if( maViewShapes.begin(),
maViewShapes.end(),
::boost::bind<bool>(
::boost::mem_fn( &ViewShape::update ), // though _theoretically_,
// bind should eat this even
// with _1 being a shared_ptr,
// it does _not_ for MSVC without
// the extra mem_fn. WTF.
_1,
::boost::cref( mpCurrMtf ),
::boost::cref(
getViewRenderArgs() ),
nUpdateFlags,
isVisible() ) )
!= static_cast<ViewShapeVector::difference_type>(maViewShapes.size()) )
{
// at least one of the ViewShape::update() calls did return
// false - update failed on at least one ViewLayer
return false;
}
// successfully redrawn - update state IDs to detect next changes
updateStateIds();
return true;
}
int DrawShape::getUpdateFlags() const
{
// default: update nothing, unless ShapeAttributeStack
// tells us below, or if the attribute layer was revoked
int nUpdateFlags(ViewShape::NONE);
// possibly the whole shape content changed
if( mbAttributeLayerRevoked )
nUpdateFlags = ViewShape::CONTENT;
// determine what has to be updated
// do we have an attribute layer?
if( mpAttributeLayer )
{
// Prevent nUpdateFlags to be modified when the shape is not
// visible, except when it just was hidden.
if (mpAttributeLayer->getVisibility()
|| mpAttributeLayer->getVisibilityState() != mnAttributeVisibilityState )
{
if (mpAttributeLayer->getVisibilityState() != mnAttributeVisibilityState )
{
// Change of the visibility state is mapped to
// content change because when the visibility
// changes then usually a sprite is shown or hidden
// and the background under has to be painted once.
nUpdateFlags |= ViewShape::CONTENT;
}
// TODO(P1): This can be done without conditional branching.
// See HAKMEM.
if( mpAttributeLayer->getPositionState() != mnAttributePositionState )
{
nUpdateFlags |= ViewShape::POSITION;
}
if( mpAttributeLayer->getAlphaState() != mnAttributeAlphaState )
{
nUpdateFlags |= ViewShape::ALPHA;
}
if( mpAttributeLayer->getClipState() != mnAttributeClipState )
{
nUpdateFlags |= ViewShape::CLIP;
}
if( mpAttributeLayer->getTransformationState() != mnAttributeTransformationState )
{
nUpdateFlags |= ViewShape::TRANSFORMATION;
}
if( mpAttributeLayer->getContentState() != mnAttributeContentState )
{
nUpdateFlags |= ViewShape::CONTENT;
}
}
}
return nUpdateFlags;
}
::basegfx::B2DRectangle DrawShape::getActualUnitShapeBounds() const
{
ENSURE_OR_THROW( !maViewShapes.empty(),
"DrawShape::getActualUnitShapeBounds(): called on DrawShape without views" );
const VectorOfDocTreeNodes& rSubsets(
maSubsetting.getActiveSubsets() );
const ::basegfx::B2DRectangle aDefaultBounds( 0.0,0.0,1.0,1.0 );
// perform the cheapest check first
if( rSubsets.empty() )
{
// if subset contains the whole shape, no need to call
// the somewhat expensive bound calculation, since as
// long as the subset is empty, this branch will be
// taken.
return aDefaultBounds;
}
else
{
OSL_ENSURE( rSubsets.size() != 1 ||
!rSubsets.front().isEmpty(),
"DrawShape::getActualUnitShapeBounds() expects a "
"_non-empty_ subset vector for a subsetted shape!" );
// are the cached bounds still valid?
if( !maCurrentShapeUnitBounds )
{
// no, (re)generate them
// =====================
// setup cached values to defaults (might fail to
// retrieve true bounds below)
maCurrentShapeUnitBounds.reset( aDefaultBounds );
// TODO(P2): the subset of the master shape (that from
// which the subsets are subtracted) changes
// relatively often (every time a subset shape is
// added or removed). Maybe we should exclude it here,
// always assuming full bounds?
::cppcanvas::CanvasSharedPtr pDestinationCanvas(
maViewShapes.front()->getViewLayer()->getCanvas() );
// TODO(Q2): Although this _is_ currently
// view-agnostic, it might not stay like
// that. Maybe this method should again be moved
// to the ViewShape
::cppcanvas::RendererSharedPtr pRenderer(
maViewShapes.front()->getRenderer(
pDestinationCanvas, mpCurrMtf, mpAttributeLayer ) );
// If we cannot not prefetch, be defensive and assume
// full shape size
if( pRenderer )
{
// temporarily, switch total transformation to identity
// (need the bounds in the [0,1]x[0,1] unit coordinate
// system.
::basegfx::B2DHomMatrix aEmptyTransformation;
::basegfx::B2DHomMatrix aOldTransform( pDestinationCanvas->getTransformation() );
pDestinationCanvas->setTransformation( aEmptyTransformation );
pRenderer->setTransformation( aEmptyTransformation );
// restore old transformation when leaving the scope
const ::comphelper::ScopeGuard aGuard(
boost::bind( &::cppcanvas::Canvas::setTransformation,
pDestinationCanvas, aOldTransform ) );
// retrieve bounds for subset of whole metafile
::basegfx::B2DRange aTotalBounds;
// cannot use ::boost::bind, ::basegfx::B2DRange::expand()
// is overloaded.
VectorOfDocTreeNodes::const_iterator aCurr( rSubsets.begin() );
const VectorOfDocTreeNodes::const_iterator aEnd( rSubsets.end() );
while( aCurr != aEnd )
{
aTotalBounds.expand( pRenderer->getSubsetArea(
aCurr->getStartIndex(),
aCurr->getEndIndex() ) );
++aCurr;
}
OSL_ENSURE( aTotalBounds.getMinX() >= -0.1 &&
aTotalBounds.getMinY() >= -0.1 &&
aTotalBounds.getMaxX() <= 1.1 &&
aTotalBounds.getMaxY() <= 1.1,
"DrawShape::getActualUnitShapeBounds(): bounds noticeably larger than original shape - clipping!" );
// really make sure no shape appears larger than its
// original bounds (there _are_ some pathologic cases,
// especially when imported from PPT, that have
// e.g. obscenely large polygon bounds)
aTotalBounds.intersect(
::basegfx::B2DRange( 0.0, 0.0,
1.0, 1.0 ));
maCurrentShapeUnitBounds.reset( aTotalBounds );
}
}
return *maCurrentShapeUnitBounds;
}
}
DrawShape::DrawShape( const uno::Reference< drawing::XShape >& xShape,
const uno::Reference< drawing::XDrawPage >& xContainingPage,
double nPrio,
bool bForeignSource,
const SlideShowContext& rContext ) :
mxShape( xShape ),
mxPage( xContainingPage ),
maAnimationFrames(), // empty, we don't have no intrinsic animation
mnCurrFrame(0),
mpCurrMtf(),
mnCurrMtfLoadFlags( bForeignSource
? MTF_LOAD_FOREIGN_SOURCE : MTF_LOAD_NONE ),
maCurrentShapeUnitBounds(),
mnPriority( nPrio ), // TODO(F1): When ZOrder someday becomes usable: make this ( getAPIShapePrio( xShape ) ),
maBounds( getAPIShapeBounds( xShape ) ),
mpAttributeLayer(),
mpIntrinsicAnimationActivity(),
mnAttributeTransformationState(0),
mnAttributeClipState(0),
mnAttributeAlphaState(0),
mnAttributePositionState(0),
mnAttributeContentState(0),
mnAttributeVisibilityState(0),
maViewShapes(),
mxComponentContext( rContext.mxComponentContext ),
maHyperlinkIndices(),
maHyperlinkRegions(),
maSubsetting(),
mnIsAnimatedCount(0),
mnAnimationLoopCount(0),
meCycleMode(CYCLE_LOOP),
mbIsVisible( true ),
mbForceUpdate( false ),
mbAttributeLayerRevoked( false ),
mbDrawingLayerAnim( false )
{
ENSURE_OR_THROW( mxShape.is(), "DrawShape::DrawShape(): Invalid XShape" );
ENSURE_OR_THROW( mxPage.is(), "DrawShape::DrawShape(): Invalid containing page" );
// check for drawing layer animations:
drawing::TextAnimationKind eKind = drawing::TextAnimationKind_NONE;
uno::Reference<beans::XPropertySet> xPropSet( mxShape,
uno::UNO_QUERY );
if( xPropSet.is() )
getPropertyValue( eKind, xPropSet,
"TextAnimationKind" );
mbDrawingLayerAnim = (eKind != drawing::TextAnimationKind_NONE);
// must NOT be called from within initializer list, uses
// state from mnCurrMtfLoadFlags!
mpCurrMtf.reset( new GDIMetaFile );
getMetaFile(
uno::Reference<lang::XComponent>(xShape, uno::UNO_QUERY),
xContainingPage, *mpCurrMtf, mnCurrMtfLoadFlags,
mxComponentContext );
ENSURE_OR_THROW( mpCurrMtf,
"DrawShape::DrawShape(): Invalid metafile" );
maSubsetting.reset( mpCurrMtf );
prepareHyperlinkIndices();
}
DrawShape::DrawShape( const uno::Reference< drawing::XShape >& xShape,
const uno::Reference< drawing::XDrawPage >& xContainingPage,
double nPrio,
const Graphic& rGraphic,
const SlideShowContext& rContext ) :
mxShape( xShape ),
mxPage( xContainingPage ),
maAnimationFrames(),
mnCurrFrame(0),
mpCurrMtf(),
mnCurrMtfLoadFlags( MTF_LOAD_NONE ),
maCurrentShapeUnitBounds(),
mnPriority( nPrio ), // TODO(F1): When ZOrder someday becomes usable: make this ( getAPIShapePrio( xShape ) ),
maBounds( getAPIShapeBounds( xShape ) ),
mpAttributeLayer(),
mpIntrinsicAnimationActivity(),
mnAttributeTransformationState(0),
mnAttributeClipState(0),
mnAttributeAlphaState(0),
mnAttributePositionState(0),
mnAttributeContentState(0),
mnAttributeVisibilityState(0),
maViewShapes(),
mxComponentContext( rContext.mxComponentContext ),
maHyperlinkIndices(),
maHyperlinkRegions(),
maSubsetting(),
mnIsAnimatedCount(0),
mnAnimationLoopCount(0),
meCycleMode(CYCLE_LOOP),
mbIsVisible( true ),
mbForceUpdate( false ),
mbAttributeLayerRevoked( false ),
mbDrawingLayerAnim( false )
{
ENSURE_OR_THROW( rGraphic.IsAnimated(),
"DrawShape::DrawShape(): Graphic is no animation" );
getAnimationFromGraphic( maAnimationFrames,
mnAnimationLoopCount,
meCycleMode,
rGraphic );
ENSURE_OR_THROW( !maAnimationFrames.empty() &&
maAnimationFrames.front().mpMtf,
"DrawShape::DrawShape(): " );
mpCurrMtf = maAnimationFrames.front().mpMtf;
ENSURE_OR_THROW( mxShape.is(), "DrawShape::DrawShape(): Invalid XShape" );
ENSURE_OR_THROW( mxPage.is(), "DrawShape::DrawShape(): Invalid containing page" );
ENSURE_OR_THROW( mpCurrMtf, "DrawShape::DrawShape(): Invalid metafile" );
}
DrawShape::DrawShape( const DrawShape& rSrc,
const DocTreeNode& rTreeNode,
double nPrio ) :
mxShape( rSrc.mxShape ),
mxPage( rSrc.mxPage ),
maAnimationFrames(), // don't copy animations for subsets,
// only the current frame!
mnCurrFrame(0),
mpCurrMtf( rSrc.mpCurrMtf ),
mnCurrMtfLoadFlags( rSrc.mnCurrMtfLoadFlags ),
maCurrentShapeUnitBounds(),
mnPriority( nPrio ),
maBounds( rSrc.maBounds ),
mpAttributeLayer(),
mpIntrinsicAnimationActivity(),
mnAttributeTransformationState(0),
mnAttributeClipState(0),
mnAttributeAlphaState(0),
mnAttributePositionState(0),
mnAttributeContentState(0),
mnAttributeVisibilityState(0),
maViewShapes(),
mxComponentContext( rSrc.mxComponentContext ),
maHyperlinkIndices(),
maHyperlinkRegions(),
maSubsetting( rTreeNode, mpCurrMtf ),
mnIsAnimatedCount(0),
mnAnimationLoopCount(0),
meCycleMode(CYCLE_LOOP),
mbIsVisible( rSrc.mbIsVisible ),
mbForceUpdate( false ),
mbAttributeLayerRevoked( false ),
mbDrawingLayerAnim( false )
{
ENSURE_OR_THROW( mxShape.is(), "DrawShape::DrawShape(): Invalid XShape" );
ENSURE_OR_THROW( mpCurrMtf, "DrawShape::DrawShape(): Invalid metafile" );
// xxx todo: currently not implemented for subsetted shapes;
// would mean modifying set of hyperlink regions when
// subsetting text portions. N.B.: there's already an
// issue for this #i72828#
}
// Public methods
DrawShapeSharedPtr DrawShape::create(
const uno::Reference< drawing::XShape >& xShape,
const uno::Reference< drawing::XDrawPage >& xContainingPage,
double nPrio,
bool bForeignSource,
const SlideShowContext& rContext )
{
DrawShapeSharedPtr pShape( new DrawShape(xShape,
xContainingPage,
nPrio,
bForeignSource,
rContext) );
if( pShape->hasIntrinsicAnimation() )
{
OSL_ASSERT( pShape->maAnimationFrames.empty() );
if( pShape->getNumberOfTreeNodes(
DocTreeNode::NODETYPE_LOGICAL_PARAGRAPH) > 0 )
{
pShape->mpIntrinsicAnimationActivity =
createDrawingLayerAnimActivity(
rContext,
pShape);
}
}
if( pShape->hasHyperlinks() )
rContext.mpSubsettableShapeManager->addHyperlinkArea( pShape );
return pShape;
}
DrawShapeSharedPtr DrawShape::create(
const uno::Reference< drawing::XShape >& xShape,
const uno::Reference< drawing::XDrawPage >& xContainingPage,
double nPrio,
const Graphic& rGraphic,
const SlideShowContext& rContext )
{
DrawShapeSharedPtr pShape( new DrawShape(xShape,
xContainingPage,
nPrio,
rGraphic,
rContext) );
if( pShape->hasIntrinsicAnimation() )
{
OSL_ASSERT( !pShape->maAnimationFrames.empty() );
std::vector<double> aTimeout;
std::transform(
pShape->maAnimationFrames.begin(),
pShape->maAnimationFrames.end(),
std::back_insert_iterator< std::vector<double> >( aTimeout ),
boost::mem_fn(&MtfAnimationFrame::getDuration) );
WakeupEventSharedPtr pWakeupEvent(
new WakeupEvent( rContext.mrEventQueue.getTimer(),
rContext.mrActivitiesQueue ) );
ActivitySharedPtr pActivity =
createIntrinsicAnimationActivity(
rContext,
pShape,
pWakeupEvent,
aTimeout,
pShape->mnAnimationLoopCount,
pShape->meCycleMode);
pWakeupEvent->setActivity( pActivity );
pShape->mpIntrinsicAnimationActivity = pActivity;
}
OSL_ENSURE( !pShape->hasHyperlinks(),
"DrawShape::create(): graphic-only shapes must not have hyperlinks!" );
return pShape;
}
DrawShape::~DrawShape()
{
try
{
// dispose intrinsic animation activity, else, it will
// linger forever
ActivitySharedPtr pActivity( mpIntrinsicAnimationActivity.lock() );
if( pActivity )
pActivity->dispose();
}
catch (uno::Exception &)
{
SAL_WARN( "slideshow", "" << comphelper::anyToString(cppu::getCaughtException() ) );
}
}
uno::Reference< drawing::XShape > DrawShape::getXShape() const
{
return mxShape;
}
void DrawShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer,
bool bRedrawLayer )
{
ViewShapeVector::iterator aEnd( maViewShapes.end() );
// already added?
if( ::std::find_if( maViewShapes.begin(),
aEnd,
::boost::bind<bool>(
::std::equal_to< ViewLayerSharedPtr >(),
::boost::bind( &ViewShape::getViewLayer,
_1 ),
::boost::cref( rNewLayer ) ) ) != aEnd )
{
// yes, nothing to do
return;
}
ViewShapeSharedPtr pNewShape( new ViewShape( rNewLayer ) );
maViewShapes.push_back( pNewShape );
// pass on animation state
if( mnIsAnimatedCount )
{
for( int i=0; i<mnIsAnimatedCount; ++i )
pNewShape->enterAnimationMode();
}
// render the Shape on the newly added ViewLayer
if( bRedrawLayer )
{
pNewShape->update( mpCurrMtf,
getViewRenderArgs(),
ViewShape::FORCE,
isVisible() );
}
}
bool DrawShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
{
const ViewShapeVector::iterator aEnd( maViewShapes.end() );
OSL_ENSURE( ::std::count_if(maViewShapes.begin(),
aEnd,
::boost::bind<bool>(
::std::equal_to< ViewLayerSharedPtr >(),
::boost::bind( &ViewShape::getViewLayer,
_1 ),
::boost::cref( rLayer ) ) ) < 2,
"DrawShape::removeViewLayer(): Duplicate ViewLayer entries!" );
ViewShapeVector::iterator aIter;
if( (aIter=::std::remove_if( maViewShapes.begin(),
aEnd,
::boost::bind<bool>(
::std::equal_to< ViewLayerSharedPtr >(),
::boost::bind( &ViewShape::getViewLayer,
_1 ),
::boost::cref( rLayer ) ) )) == aEnd )
{
// view layer seemingly was not added, failed
return false;
}
// actually erase from container
maViewShapes.erase( aIter, aEnd );
return true;
}
bool DrawShape::clearAllViewLayers()
{
maViewShapes.clear();
return true;
}
bool DrawShape::update() const
{
if( mbForceUpdate )
{
return render();
}
else
{
return implRender( getUpdateFlags() );
}
}
bool DrawShape::render() const
{
// force redraw. Have to also pass on the update flags,
// because e.g. content update (regeneration of the
// metafile renderer) is normally not performed. A simple
// ViewShape::FORCE would only paint the metafile in its
// old state.
return implRender( ViewShape::FORCE | getUpdateFlags() );
}
bool DrawShape::isContentChanged() const
{
return mbForceUpdate ?
true :
getUpdateFlags() != ViewShape::NONE;
}
::basegfx::B2DRectangle DrawShape::getBounds() const
{
// little optimization: for non-modified shapes, we don't
// create an ShapeAttributeStack, and therefore also don't
// have to check it.
return getShapePosSize( maBounds,
mpAttributeLayer );
}
::basegfx::B2DRectangle DrawShape::getDomBounds() const
{
return maBounds;
}
namespace
{
/** Functor expanding AA border for each passed ViewShape
Could not use ::boost::bind here, since
B2DRange::expand is overloaded (which yields one or
the other template type deduction ambiguous)
*/
class Expander
{
public:
Expander( ::basegfx::B2DSize& rBounds ) :
mrBounds( rBounds )
{
}
void operator()( const ViewShapeSharedPtr& rShape ) const
{
const ::basegfx::B2DSize& rShapeBorder( rShape->getAntialiasingBorder() );
mrBounds.setX(
::std::max(
rShapeBorder.getX(),
mrBounds.getX() ) );
mrBounds.setY(
::std::max(
rShapeBorder.getY(),
mrBounds.getY() ) );
}
private:
::basegfx::B2DSize& mrBounds;
};
}
::basegfx::B2DRectangle DrawShape::getUpdateArea() const
{
::basegfx::B2DRectangle aBounds;
// an already empty shape bound need no further
// treatment. In fact, any changes applied below would
// actually remove the special empty state, thus, don't
// change!
if( !maBounds.isEmpty() )
{
basegfx::B2DRectangle aUnitBounds(0.0,0.0,1.0,1.0);
if( !maViewShapes.empty() )
aUnitBounds = getActualUnitShapeBounds();
if( !aUnitBounds.isEmpty() )
{
if( mpAttributeLayer )
{
// calc actual shape area (in user coordinate
// space) from the transformation as given by the
// shape attribute layer
aBounds = getShapeUpdateArea( aUnitBounds,
getShapeTransformation( getBounds(),
mpAttributeLayer ),
mpAttributeLayer );
}
else
{
// no attribute layer, thus, the true shape bounds
// can be directly derived from the XShape bound
// attribute
aBounds = getShapeUpdateArea( aUnitBounds,
maBounds );
}
if( !maViewShapes.empty() )
{
// determine border needed for antialiasing the shape
::basegfx::B2DSize aAABorder(0.0,0.0);
// for every view, get AA border and 'expand' aAABorder
// appropriately.
::std::for_each( maViewShapes.begin(),
maViewShapes.end(),
Expander( aAABorder ) );
// add calculated AA border to aBounds
aBounds = ::basegfx::B2DRectangle( aBounds.getMinX() - aAABorder.getX(),
aBounds.getMinY() - aAABorder.getY(),
aBounds.getMaxX() + aAABorder.getX(),
aBounds.getMaxY() + aAABorder.getY() );
}
}
}
return aBounds;
}
bool DrawShape::isVisible() const
{
bool bIsVisible( mbIsVisible );
if( mpAttributeLayer )
{
// check whether visibility and alpha are not default
// (mpAttributeLayer->isVisibilityValid() returns true
// then): bVisible becomes true, if shape visibility
// is on and alpha is not 0.0 (fully transparent)
if( mpAttributeLayer->isVisibilityValid() )
bIsVisible = mpAttributeLayer->getVisibility();
// only touch bIsVisible, if the shape is still
// visible - if getVisibility already made us
// invisible, no alpha value will make us appear
// again.
if( bIsVisible && mpAttributeLayer->isAlphaValid() )
bIsVisible = !::basegfx::fTools::equalZero( mpAttributeLayer->getAlpha() );
}
return bIsVisible;
}
double DrawShape::getPriority() const
{
return mnPriority;
}
bool DrawShape::isBackgroundDetached() const
{
return mnIsAnimatedCount > 0;
}
bool DrawShape::hasIntrinsicAnimation() const
{
return (!maAnimationFrames.empty() || mbDrawingLayerAnim);
}
bool DrawShape::setIntrinsicAnimationFrame( ::std::size_t nCurrFrame )
{
ENSURE_OR_RETURN_FALSE( nCurrFrame < maAnimationFrames.size(),
"DrawShape::setIntrinsicAnimationFrame(): frame index out of bounds" );
if( mnCurrFrame != nCurrFrame )
{
mnCurrFrame = nCurrFrame;
mpCurrMtf = maAnimationFrames[ mnCurrFrame ].mpMtf;
mbForceUpdate = true;
}
return true;
}
// hyperlink support
void DrawShape::prepareHyperlinkIndices() const
{
if ( !maHyperlinkIndices.empty())
{
maHyperlinkIndices.clear();
maHyperlinkRegions.clear();
}
sal_Int32 nIndex = 0;
for ( MetaAction * pCurrAct = mpCurrMtf->FirstAction();
pCurrAct != 0; pCurrAct = mpCurrMtf->NextAction() )
{
if (pCurrAct->GetType() == META_COMMENT_ACTION) {
MetaCommentAction * pAct =
static_cast<MetaCommentAction *>(pCurrAct);
// skip comment if not a special XTEXT comment
if (pAct->GetComment().equalsIgnoreAsciiCase("FIELD_SEQ_BEGIN") &&
// e.g. date field doesn't have data!
// currently assuming that only url field, this is
// somehow fragile! xxx todo if possible
pAct->GetData() != 0 &&
pAct->GetDataSize() > 0)
{
if (!maHyperlinkIndices.empty() &&
maHyperlinkIndices.back().second == -1) {
SAL_WARN( "slideshow", "### pending FIELD_SEQ_END!" );
maHyperlinkIndices.pop_back();
maHyperlinkRegions.pop_back();
}
maHyperlinkIndices.push_back(
HyperlinkIndexPair( nIndex + 1,
-1 /* to be filled below */ ) );
maHyperlinkRegions.push_back(
HyperlinkRegion(
basegfx::B2DRectangle(),
OUString(
reinterpret_cast<sal_Unicode const*>(
pAct->GetData()),
pAct->GetDataSize() / sizeof(sal_Unicode) )
) );
}
else if (pAct->GetComment().equalsIgnoreAsciiCase("FIELD_SEQ_END") &&
// pending end is expected:
!maHyperlinkIndices.empty() &&
maHyperlinkIndices.back().second == -1)
{
maHyperlinkIndices.back().second = nIndex;
}
++nIndex;
}
else
nIndex += getNextActionOffset(pCurrAct);
}
if (!maHyperlinkIndices.empty() &&
maHyperlinkIndices.back().second == -1) {
SAL_WARN( "slideshow", "### pending FIELD_SEQ_END!" );
maHyperlinkIndices.pop_back();
maHyperlinkRegions.pop_back();
}
OSL_ASSERT( maHyperlinkIndices.size() == maHyperlinkRegions.size());
}
bool DrawShape::hasHyperlinks() const
{
return ! maHyperlinkRegions.empty();
}
HyperlinkArea::HyperlinkRegions DrawShape::getHyperlinkRegions() const
{
OSL_ASSERT( !maViewShapes.empty() );
if( !isVisible() )
return HyperlinkArea::HyperlinkRegions();
// late init, determine regions:
if( !maHyperlinkRegions.empty() &&
!maViewShapes.empty() &&
// region already inited?
maHyperlinkRegions.front().first.getWidth() == 0 &&
maHyperlinkRegions.front().first.getHeight() == 0 &&
maHyperlinkRegions.size() == maHyperlinkIndices.size() )
{
// TODO(Q2): Although this _is_ currently
// view-agnostic, it might not stay like that.
ViewShapeSharedPtr const& pViewShape = maViewShapes.front();
cppcanvas::CanvasSharedPtr const pCanvas(
pViewShape->getViewLayer()->getCanvas() );
// reuse Renderer of first view shape:
cppcanvas::RendererSharedPtr const pRenderer(
pViewShape->getRenderer(
pCanvas, mpCurrMtf, mpAttributeLayer ) );
OSL_ASSERT( pRenderer );
if (pRenderer)
{
basegfx::B2DHomMatrix const aOldTransform(
pCanvas->getTransformation() );
basegfx::B2DHomMatrix aTransform;
pCanvas->setTransformation( aTransform /* empty */ );
comphelper::ScopeGuard const resetOldTransformation(
boost::bind( &cppcanvas::Canvas::setTransformation,
pCanvas.get(),
boost::cref(aOldTransform) ));
aTransform.scale( maBounds.getWidth(),
maBounds.getHeight() );
pRenderer->setTransformation( aTransform );
pRenderer->setClip();
for( std::size_t pos = maHyperlinkRegions.size(); pos--; )
{
// get region:
HyperlinkIndexPair const& rIndices = maHyperlinkIndices[pos];
basegfx::B2DRectangle const region(
pRenderer->getSubsetArea( rIndices.first,
rIndices.second ));
maHyperlinkRegions[pos].first = region;
}
}
}
// shift shape-relative hyperlink regions to
// slide-absolute position
HyperlinkRegions aTranslatedRegions;
const basegfx::B2DPoint& rOffset(getBounds().getMinimum());
HyperlinkRegions::const_iterator aIter( maHyperlinkRegions.begin() );
HyperlinkRegions::const_iterator const aEnd ( maHyperlinkRegions.end() );
while( aIter != aEnd )
{
basegfx::B2DRange const& relRegion( aIter->first );
aTranslatedRegions.push_back(
std::make_pair(
basegfx::B2DRange(
relRegion.getMinimum() + rOffset,
relRegion.getMaximum() + rOffset),
aIter->second) );
++aIter;
}
return aTranslatedRegions;
}
double DrawShape::getHyperlinkPriority() const
{
return getPriority();
}
// AnimatableShape methods
void DrawShape::enterAnimationMode()
{
OSL_ENSURE( !maViewShapes.empty(),
"DrawShape::enterAnimationMode(): called on DrawShape without views" );
if( mnIsAnimatedCount == 0 )
{
// notify all ViewShapes, by calling their enterAnimationMode method.
// We're now entering animation mode
::std::for_each( maViewShapes.begin(),
maViewShapes.end(),
::boost::mem_fn( &ViewShape::enterAnimationMode ) );
}
++mnIsAnimatedCount;
}
void DrawShape::leaveAnimationMode()
{
OSL_ENSURE( !maViewShapes.empty(),
"DrawShape::leaveAnimationMode(): called on DrawShape without views" );
--mnIsAnimatedCount;
if( mnIsAnimatedCount == 0 )
{
// notify all ViewShapes, by calling their leaveAnimationMode method.
// we're now leaving animation mode
::std::for_each( maViewShapes.begin(),
maViewShapes.end(),
::boost::mem_fn( &ViewShape::leaveAnimationMode ) );
}
}
// AttributableShape methods
ShapeAttributeLayerSharedPtr DrawShape::createAttributeLayer()
{
// create new layer, with last as its new child
mpAttributeLayer.reset( new ShapeAttributeLayer( mpAttributeLayer ) );
// Update the local state ids to reflect those of the new layer.
updateStateIds();
return mpAttributeLayer;
}
bool DrawShape::revokeAttributeLayer( const ShapeAttributeLayerSharedPtr& rLayer )
{
if( !mpAttributeLayer )
return false; // no layers
if( mpAttributeLayer == rLayer )
{
// it's the toplevel layer
mpAttributeLayer = mpAttributeLayer->getChildLayer();
// force content redraw, all state variables have
// possibly changed
mbAttributeLayerRevoked = true;
return true;
}
else
{
// pass on to the layer, to try its children
return mpAttributeLayer->revokeChildLayer( rLayer );
}
}
ShapeAttributeLayerSharedPtr DrawShape::getTopmostAttributeLayer() const
{
return mpAttributeLayer;
}
void DrawShape::setVisibility( bool bVisible )
{
if( mbIsVisible != bVisible )
{
mbIsVisible = bVisible;
mbForceUpdate = true;
}
}
const DocTreeNodeSupplier& DrawShape::getTreeNodeSupplier() const
{
return *this;
}
DocTreeNodeSupplier& DrawShape::getTreeNodeSupplier()
{
return *this;
}
DocTreeNode DrawShape::getSubsetNode() const
{
// forward to delegate
return maSubsetting.getSubsetNode();
}
AttributableShapeSharedPtr DrawShape::getSubset( const DocTreeNode& rTreeNode ) const
{
// forward to delegate
return maSubsetting.getSubsetShape( rTreeNode );
}
bool DrawShape::createSubset( AttributableShapeSharedPtr& o_rSubset,
const DocTreeNode& rTreeNode )
{
// subset shape already created for this DocTreeNode?
AttributableShapeSharedPtr pSubset( maSubsetting.getSubsetShape( rTreeNode ) );
// when true, this method has created a new subset
// DrawShape
bool bNewlyCreated( false );
if( pSubset )
{
o_rSubset = pSubset;
// reusing existing subset
}
else
{
// not yet created, init entry
o_rSubset.reset( new DrawShape( *this,
rTreeNode,
// TODO(Q3): That's a
// hack. We assume
// that start and end
// index will always
// be less than 65535
mnPriority +
rTreeNode.getStartIndex()/double(SAL_MAX_INT16) ));
bNewlyCreated = true; // subset newly created
}
// always register shape at DrawShapeSubsetting, to keep
// refcount up-to-date
maSubsetting.addSubsetShape( o_rSubset );
// flush bounds cache
maCurrentShapeUnitBounds.reset();
return bNewlyCreated;
}
bool DrawShape::revokeSubset( const AttributableShapeSharedPtr& rShape )
{
// flush bounds cache
maCurrentShapeUnitBounds.reset();
// forward to delegate
if( maSubsetting.revokeSubsetShape( rShape ) )
{
// force redraw, our content has possibly changed (as
// one of the subsets now display within our shape
// again).
mbForceUpdate = true;
// #i47428# TEMP FIX: synchronize visibility of subset
// with parent.
// TODO(F3): Remove here, and implement
// TEXT_ONLY/BACKGROUND_ONLY with the proverbial
// additional level of indirection: create a
// persistent subset, containing all text/only the
// background respectively. From _that_ object,
// generate the temporary character subset shapes.
const ShapeAttributeLayerSharedPtr& rAttrLayer(
rShape->getTopmostAttributeLayer() );
if( rAttrLayer &&
rAttrLayer->isVisibilityValid() &&
rAttrLayer->getVisibility() != isVisible() )
{
const bool bVisibility( rAttrLayer->getVisibility() );
// visibilities differ - adjust ours, then
if( mpAttributeLayer )
mpAttributeLayer->setVisibility( bVisibility );
else
mbIsVisible = bVisibility;
}
// END TEMP FIX
return true;
}
return false;
}
sal_Int32 DrawShape::getNumberOfTreeNodes( DocTreeNode::NodeType eNodeType ) const // throw ShapeLoadFailedException
{
return maSubsetting.getNumberOfTreeNodes( eNodeType );
}
DocTreeNode DrawShape::getTreeNode( sal_Int32 nNodeIndex,
DocTreeNode::NodeType eNodeType ) const // throw ShapeLoadFailedException
{
if ( hasHyperlinks())
{
prepareHyperlinkIndices();
}
return maSubsetting.getTreeNode( nNodeIndex, eNodeType );
}
sal_Int32 DrawShape::getNumberOfSubsetTreeNodes ( const DocTreeNode& rParentNode,
DocTreeNode::NodeType eNodeType ) const // throw ShapeLoadFailedException
{
return maSubsetting.getNumberOfSubsetTreeNodes( rParentNode, eNodeType );
}
DocTreeNode DrawShape::getSubsetTreeNode( const DocTreeNode& rParentNode,
sal_Int32 nNodeIndex,
DocTreeNode::NodeType eNodeType ) const // throw ShapeLoadFailedException
{
return maSubsetting.getSubsetTreeNode( rParentNode, nNodeIndex, eNodeType );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
