summaryrefslogtreecommitdiff
path: root/sw/source/core/graphic/ndgrf.cxx
blob: 83e8a33a3527c879be351f2f36e62266a467f855 (plain)
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
/* -*- 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 .
 */

#include <sal/config.h>

#include <string_view>

#include <hintids.hxx>
#include <tools/helpers.hxx>
#include <tools/urlobj.hxx>
#include <tools/fract.hxx>
#include <tools/UnitConversion.hxx>
#include <svl/fstathelper.hxx>
#include <vcl/imap.hxx>
#include <sfx2/docfile.hxx>
#include <sfx2/linkmgr.hxx>
#include <editeng/boxitem.hxx>
#include <sot/formats.hxx>
#include <fmtfsize.hxx>
#include <fmturl.hxx>
#include <frmfmt.hxx>
#include <doc.hxx>
#include <IDocumentLinksAdministration.hxx>
#include <IDocumentLayoutAccess.hxx>
#include <frmatr.hxx>
#include <grfatr.hxx>
#include <swtypes.hxx>
#include <ndgrf.hxx>
#include <fmtcol.hxx>
#include <hints.hxx>
#include <swbaslnk.hxx>
#include <pagefrm.hxx>

#include <rtl/ustring.hxx>
#include <o3tl/deleter.hxx>
#include <retrieveinputstreamconsumer.hxx>
#include <drawinglayer/processor2d/objectinfoextractor2d.hxx>
#include <drawinglayer/primitive2d/objectinfoprimitive2d.hxx>

using namespace com::sun::star;

SwGrfNode::SwGrfNode(
        const SwNodeIndex & rWhere,
        const OUString& rGrfName,
        const OUString& rFltName,
        const Graphic* pGraphic,
        SwGrfFormatColl *pGrfColl,
        SwAttrSet const * pAutoAttr ) :
    SwNoTextNode( rWhere, SwNodeType::Grf, pGrfColl, pAutoAttr ),
    maGrfObj(),
    mbInBaseLinkSwapIn(true),
    // #i73788#
    mbLinkedInputStreamReady( false ),
    mbIsStreamReadOnly( false )
{
    mbInSwapIn = mbChangeTwipSize =
        mbFrameInPaint = mbScaleImageMap = false;

    ReRead(rGrfName, rFltName, pGraphic, false);
}

SwGrfNode::SwGrfNode( const SwNodeIndex & rWhere,
                      const GraphicObject& rGrfObj,
                      SwGrfFormatColl *pGrfColl,
                      SwAttrSet const * pAutoAttr ) :
    SwNoTextNode( rWhere, SwNodeType::Grf, pGrfColl, pAutoAttr ),
    maGrfObj(rGrfObj),
    mbInBaseLinkSwapIn(true),
    // #i73788#
    mbLinkedInputStreamReady( false ),
    mbIsStreamReadOnly( false )
{
    mbInSwapIn = mbChangeTwipSize  =
        mbFrameInPaint = mbScaleImageMap = false;
}

/** Create new SW/G reader.
 *
 * Use this ctor if you want to read a linked graphic.
 *
 * @note Does not read/open the image itself!
 */
SwGrfNode::SwGrfNode( const SwNodeIndex & rWhere,
                      const OUString& rGrfName,
                      const OUString& rFltName,
                      SwGrfFormatColl *pGrfColl,
                      SwAttrSet const * pAutoAttr ) :
    SwNoTextNode( rWhere, SwNodeType::Grf, pGrfColl, pAutoAttr ),
    maGrfObj(),
    mbInBaseLinkSwapIn(true),
    // #i73788#
    mbLinkedInputStreamReady( false ),
    mbIsStreamReadOnly( false )
{
    Graphic aGrf; aGrf.SetDefaultType();
    maGrfObj.SetGraphic( aGrf );

    mbInSwapIn = mbChangeTwipSize =
        mbFrameInPaint = mbScaleImageMap = false;

    InsertLink( rGrfName, rFltName );
    if( IsLinkedFile() )
    {
        INetURLObject aUrl( rGrfName );
        if( INetProtocol::File == aUrl.GetProtocol() &&
            FStatHelper::IsDocument( aUrl.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ))
        {
            // file exists, so create connection without an update
            static_cast<SwBaseLink*>( mxLink.get() )->Connect();
        }
    }
}

bool SwGrfNode::ReRead(
    const OUString& rGrfName, const OUString& rFltName,
    const Graphic* pGraphic,
    bool bNewGrf )
{
    bool bReadGrf = false;
    bool bSetTwipSize = true;
    mpReplacementGraphic.reset();

    OSL_ENSURE( pGraphic || !rGrfName.isEmpty(),
            "GraphicNode without a name, Graphic or GraphicObject" );

    OUString sURLLink;
    if (pGraphic)
    {
        Graphic aGraphic(*pGraphic);

        sURLLink = aGraphic.getOriginURL();
        if (sURLLink.isEmpty() && !rGrfName.isEmpty())
        {
            sURLLink = rGrfName;
            aGraphic.setOriginURL(sURLLink);
        }
    }
    else
    {
        sURLLink = rGrfName;
    }

    // with name
    if( mxLink.is() )
    {
        OSL_ENSURE( !mbInSwapIn, "ReRead: I am still in SwapIn" );

        if( !sURLLink.isEmpty() )
        {
            // Note: if there is DDE in the FltName, then it is a DDE-linked graphic
            OUString sCmd( sURLLink );
            if( !rFltName.isEmpty() )
            {
                sfx2::SvBaseLinkObjectType nNewType;
                if( rFltName == "DDE" )
                    nNewType = sfx2::SvBaseLinkObjectType::ClientDde;
                else
                {
                    sfx2::MakeLnkName( sCmd, nullptr, sURLLink, std::u16string_view(), &rFltName );
                    nNewType = sfx2::SvBaseLinkObjectType::ClientGraphic;
                }

                if( nNewType != mxLink->GetObjType() )
                {
                    mxLink->Disconnect();
                    static_cast<SwBaseLink*>( mxLink.get() )->SetObjType( nNewType );
                }
            }

            mxLink->SetLinkSourceName( sCmd );
        }
        else // no name anymore, so remove link
        {
            GetDoc().getIDocumentLinksAdministration().GetLinkManager().Remove( mxLink.get() );
            mxLink.clear();
        }

        if( pGraphic )
        {
            maGrfObj.SetGraphic( *pGraphic );
            onGraphicChanged();
            bReadGrf = true;
        }
        else
        {
            // reset data of the old graphic so that the correct placeholder is
            // shown in case the new link could not be loaded
            Graphic aGrf; aGrf.SetDefaultType();
            maGrfObj.SetGraphic( aGrf );

            if( mxLink.is() )
            {
                if( getLayoutFrame( GetDoc().getIDocumentLayoutAccess().GetCurrentLayout() ) )
                {
                    CallSwClientNotify(sw::GrfRereadAndInCacheHint());
                }
                else if ( bNewGrf )
                {
                    //TODO refLink->setInputStream(getInputStream());
                    static_cast<SwBaseLink*>( mxLink.get() )->SwapIn();
                }
            }
            onGraphicChanged();
            bSetTwipSize = false;
        }
    }
    else if( pGraphic && sURLLink.isEmpty() )
    {
        maGrfObj.SetGraphic( *pGraphic );
        onGraphicChanged();
        bReadGrf = true;
    }
    // Was the graphic already loaded?
    else if( !bNewGrf && GraphicType::NONE != maGrfObj.GetType() )
        return true;
    else
    {
        // create new link for the graphic object
        InsertLink( sURLLink, rFltName );

        if( GetNodes().IsDocNodes() )
        {
            if( pGraphic )
            {
                maGrfObj.SetGraphic( *pGraphic );
                onGraphicChanged();
                bReadGrf = true;
                // create connection without update, as we have the graphic
                static_cast<SwBaseLink*>( mxLink.get() )->Connect();
            }
            else
            {
                Graphic aGrf;
                aGrf.SetDefaultType();
                maGrfObj.SetGraphic( aGrf );
                onGraphicChanged();
                if ( bNewGrf )
                {
                    static_cast<SwBaseLink*>( mxLink.get() )->SwapIn();
                }
            }
        }
    }

    // Bug 39281: Do not delete Size immediately - Events on ImageMaps should have
    // something to work with when swapping
    if( bSetTwipSize )
        SetTwipSize( ::GetGraphicSizeTwip( maGrfObj.GetGraphic(), nullptr ) );

    // create an updates for the frames
    if( bReadGrf && bNewGrf )
    {
        const SwUpdateAttr aHint(0,0,0);
        CallSwClientNotify(sw::LegacyModifyHint(&aHint, &aHint));
    }

    return bReadGrf;
}

SwGrfNode::~SwGrfNode()
{
    mpReplacementGraphic.reset();

    // #i73788#
    mpThreadConsumer.reset();

    SwDoc& rDoc = GetDoc();
    if( mxLink.is() )
    {
        OSL_ENSURE( !mbInSwapIn, "DTOR: I am still in SwapIn" );
        rDoc.getIDocumentLinksAdministration().GetLinkManager().Remove( mxLink.get() );
        mxLink->Disconnect();
    }
    else
    {
        // #i40014# - A graphic node, which is in a linked
        // section, whose link is another section in the document, doesn't
        // have to remove the stream from the storage.
        // Because it's hard to detect this case here and it would only fix
        // one problem with shared graphic files - there are also problems,
        // a certain graphic file is referenced by two independent graphic nodes,
        // brush item or drawing objects, the stream isn't no longer removed here.
        // To do this stuff correctly, a reference counting on shared streams
        // inside one document has to be implemented.
    }
    //#39289# delete frames already here since the Frames' dtor needs the graphic for its StopAnimation
    if( HasWriterListeners() )
        DelFrames(nullptr);
    ResetAttr(RES_PAGEDESC);
}

/// allow reaction on change of content of GraphicObject
void SwGrfNode::onGraphicChanged()
{
    // try to access SwFlyFrameFormat; since title/desc/name are set there, there is no
    // use to continue if it is not yet set. If not yet set, call onGraphicChanged()
    // when it is set.
    SwFlyFrameFormat* pFlyFormat = dynamic_cast< SwFlyFrameFormat* >(GetFlyFormat());

    if(!pFlyFormat)
        return;

    OUString aName;
    OUString aTitle;
    OUString aDesc;
    auto const & rVectorGraphicDataPtr = GetGrf().getVectorGraphicData();

    if (rVectorGraphicDataPtr)
    {
        const drawinglayer::primitive2d::Primitive2DContainer aSequence(rVectorGraphicDataPtr->getPrimitive2DSequence());

        if(!aSequence.empty())
        {
            drawinglayer::geometry::ViewInformation2D aViewInformation2D;
            drawinglayer::processor2d::ObjectInfoPrimitiveExtractor2D aProcessor(aViewInformation2D);

            aProcessor.process(aSequence);

            const drawinglayer::primitive2d::ObjectInfoPrimitive2D* pResult = aProcessor.getResult();

            if(pResult)
            {
                aName = pResult->getName();
                aTitle = pResult->getTitle();
                aDesc = pResult->getDesc();
            }
        }
    }

    if(!aTitle.isEmpty())
    {
        SetTitle(aTitle);
    }
    else if (!aName.isEmpty())
    {
        SetTitle(aName);
    }

    if(!aDesc.isEmpty())
    {
        SetDescription(aDesc);
    }
}

void SwGrfNode::SetGraphic(const Graphic& rGraphic)
{
    maGrfObj.SetGraphic(rGraphic);
    onGraphicChanged();
}

void SwGrfNode::TriggerGraphicArrived()
{
    CallSwClientNotify(sw::PreGraphicArrivedHint());
    CallSwClientNotify(sw::PostGraphicArrivedHint());
}

const Graphic& SwGrfNode::GetGrf(bool bWait) const
{
    const_cast<SwGrfNode*>(this)->SwapIn(bWait);
    return maGrfObj.GetGraphic();
}

const GraphicObject& SwGrfNode::GetGrfObj(bool bWait) const
{
    const_cast<SwGrfNode*>(this)->SwapIn(bWait);
    return maGrfObj;
}

const GraphicObject* SwGrfNode::GetReplacementGrfObj() const
{
    if(!mpReplacementGraphic)
    {
        auto const & rVectorGraphicDataPtr = GetGrfObj().GetGraphic().getVectorGraphicData();

        if (rVectorGraphicDataPtr)
        {
            const_cast< SwGrfNode* >(this)->mpReplacementGraphic.reset( new GraphicObject(rVectorGraphicDataPtr->getReplacement()) );
        }
        else if (GetGrfObj().GetGraphic().GetType() == GraphicType::GdiMetafile)
        {
            // Replacement graphic for PDF and metafiles is just the bitmap.
            const_cast<SwGrfNode*>(this)->mpReplacementGraphic.reset( new GraphicObject(GetGrfObj().GetGraphic().GetBitmapEx()) );
        }
    }

    return mpReplacementGraphic.get();
}

SwGrfNode * SwNodes::MakeGrfNode( const SwNodeIndex & rWhere,
                                const OUString& rGrfName,
                                const OUString& rFltName,
                                const Graphic* pGraphic,
                                SwGrfFormatColl* pGrfColl,
                                SwAttrSet const * pAutoAttr )
{
    OSL_ENSURE( pGrfColl, "MakeGrfNode: Formatpointer is 0." );
    SwGrfNode *pNode;
    // create object delayed, only from a SW/G-reader
    if( !pGraphic )
        pNode = new SwGrfNode( rWhere, rGrfName,
                                rFltName, pGrfColl, pAutoAttr );
    else
        pNode = new SwGrfNode( rWhere, rGrfName,
                                rFltName, pGraphic, pGrfColl, pAutoAttr );
    return pNode;
}

SwGrfNode * SwNodes::MakeGrfNode( const SwNodeIndex & rWhere,
                                const GraphicObject& rGrfObj,
                                SwGrfFormatColl* pGrfColl )
{
    OSL_ENSURE( pGrfColl, "MakeGrfNode: Formatpointer is 0." );
    return new SwGrfNode( rWhere, rGrfObj, pGrfColl, nullptr );
}

Size SwGrfNode::GetTwipSize() const
{
    if( !mnGrfSize.Width() && !mnGrfSize.Height() )
    {
        const_cast<SwGrfNode*>(this)->SwapIn();
    }
    return mnGrfSize;
}

/**
 * @return true if ReRead or reading successful,
 *         false if not loaded
 */
bool SwGrfNode::SwapIn(bool bWaitForData)
{
    if(mbInSwapIn) // not recursively!
        return true;

    bool bRet = false;
    mbInSwapIn = true;
    SwBaseLink* pLink = static_cast<SwBaseLink*>( mxLink.get() );

    if( pLink )
    {
        if( (GraphicType::NONE == maGrfObj.GetType() ||
             GraphicType::Default == maGrfObj.GetType()) &&
            mbInBaseLinkSwapIn)
        {
            // link was not loaded yet
            if( pLink->SwapIn( bWaitForData ) )
            {
                bRet = true;
                mbInBaseLinkSwapIn = false;
            }
            else if( GraphicType::Default == maGrfObj.GetType() )
            {
                // no default bitmap anymore, thus re-paint
                mpReplacementGraphic.reset();

                maGrfObj.SetGraphic( Graphic() );
                onGraphicChanged();
                SwMsgPoolItem aMsgHint( RES_GRAPHIC_PIECE_ARRIVED );
                CallSwClientNotify(sw::LegacyModifyHint(&aMsgHint, &aMsgHint));
            }
        }
        else
        {
            bRet = true;
        }
    }
    else
        bRet = true;

    if (bRet)
    {
        if( !mnGrfSize.Width() && !mnGrfSize.Height() )
            SetTwipSize( ::GetGraphicSizeTwip( maGrfObj.GetGraphic(), nullptr ) );
    }
    mbInSwapIn = false;
    return bRet;
}

bool SwGrfNode::GetFileFilterNms( OUString* pFileNm, OUString* pFilterNm ) const
{
    bool bRet = false;
    if( mxLink.is() && mxLink->GetLinkManager() )
    {
        sfx2::SvBaseLinkObjectType nType = mxLink->GetObjType();
        if( sfx2::SvBaseLinkObjectType::ClientGraphic == nType )
            bRet = sfx2::LinkManager::GetDisplayNames(
                    mxLink.get(), nullptr, pFileNm, nullptr, pFilterNm );
        else if( sfx2::SvBaseLinkObjectType::ClientDde == nType && pFileNm && pFilterNm )
        {
            OUString sApp;
            OUString sTopic;
            OUString sItem;
            if( sfx2::LinkManager::GetDisplayNames(
                    mxLink.get(), &sApp, &sTopic, &sItem ) )
            {
                *pFileNm = sApp + OUStringChar(sfx2::cTokenSeparator)
                         + sTopic + OUStringChar(sfx2::cTokenSeparator)
                         + sItem;
                *pFilterNm = "DDE";
                bRet = true;
            }
        }
    }
    return bRet;
}

/** Make a graphic object ready for UNDO.
 *
 * If it is already in storage, it needs to be loaded.
 */
bool SwGrfNode::SavePersistentData()
{
    if( mxLink.is() )
    {
        OSL_ENSURE( !mbInSwapIn, "SavePersistentData: I am still in SwapIn" );
        GetDoc().getIDocumentLinksAdministration().GetLinkManager().Remove( mxLink.get() );
        return true;
    }

    // swap in first if in storage
    if( HasEmbeddedStreamName() && !SwapIn() )
        return false;

    // #i44367#
    // Do not delete graphic file in storage, because the graphic file could
    // be referenced by other graphic nodes.
    // Because it's hard to detect this case here and it would only fix
    // one problem with shared graphic files - there are also problems, if
    // a certain graphic file is referenced by two independent graphic nodes,
    // brush item or drawing objects, the stream isn't no longer removed here.
    // To do this stuff correct, a reference counting on shared streams
    // inside one document has to be implemented.
    // Important note: see also fix for #i40014#

    // swap out into temp file
    return true;
}

bool SwGrfNode::RestorePersistentData()
{
    if( mxLink.is() )
    {
        IDocumentLinksAdministration& rIDLA = getIDocumentLinksAdministration();
        mxLink->SetVisible( rIDLA.IsVisibleLinks() );
        rIDLA.GetLinkManager().InsertDDELink( mxLink.get() );
        if( getIDocumentLayoutAccess().GetCurrentLayout() )
            mxLink->Update();
    }
    return true;
}

void SwGrfNode::InsertLink( const OUString& rGrfName, const OUString& rFltName )
{
    mxLink = new SwBaseLink( SfxLinkUpdateMode::ONCALL, SotClipboardFormatId::GDIMETAFILE, this );

    IDocumentLinksAdministration& rIDLA = getIDocumentLinksAdministration();
    if( !GetNodes().IsDocNodes() )
        return;

    mxLink->SetVisible( rIDLA.IsVisibleLinks() );
    if( rFltName == "DDE" )
    {
        sal_Int32 nTmp = 0;
        const OUString sApp{ rGrfName.getToken( 0, sfx2::cTokenSeparator, nTmp ) };
        const OUString sTopic{ rGrfName.getToken( 0, sfx2::cTokenSeparator, nTmp ) };
        const OUString sItem{ rGrfName.copy( nTmp ) };
        rIDLA.GetLinkManager().InsertDDELink( mxLink.get(), sApp, sTopic, sItem );
    }
    else
    {
        const bool bSync = rFltName == "SYNCHRON";
        mxLink->SetSynchron( bSync );
        mxLink->SetContentType( SotClipboardFormatId::SVXB );

        rIDLA.GetLinkManager().InsertFileLink( *mxLink,
                                        sfx2::SvBaseLinkObjectType::ClientGraphic, rGrfName,
                            (!bSync && !rFltName.isEmpty() ? &rFltName : nullptr) );
    }
}

void SwGrfNode::ReleaseLink()
{
    if( !mxLink.is() )
        return;

    Graphic aLocalGraphic(maGrfObj.GetGraphic());
    const bool bHasOriginalData(aLocalGraphic.IsGfxLink());

    {
        mbInSwapIn = true;
        SwBaseLink* pLink = static_cast<SwBaseLink*>( mxLink.get() );
        pLink->SwapIn( true, true );
        mbInSwapIn = false;
    }

    getIDocumentLinksAdministration().GetLinkManager().Remove( mxLink.get() );
    mxLink.clear();
    aLocalGraphic.setOriginURL("");

    // #i15508# added extra processing after getting rid of the link. Use whatever is
    // known from the formerly linked graphic to get to a state as close to a directly
    // unlinked inserted graphic as possible. Goal is to have a valid GfxLink at the
    // ImplGraphic (see there) that holds temporary data to the original data and type
    // information about the original data. Only when this is given will
    // SvXMLGraphicHelper::ImplInsertGraphicURL which is used at export use that type
    // and use the original graphic at export for the ODF, without evtl. recoding
    // of the bitmap graphic data to something without loss (e.g. PNG) but bigger
    if(bHasOriginalData)
    {
        // #i15508# if we have the original data at the Graphic, let it survive
        // by using that Graphic again, this time at a GraphicObject without link.
        // This happens e.g. when inserting a linked graphic and breaking the link
        maGrfObj.SetGraphic(aLocalGraphic);
    }
}

void SwGrfNode::SetTwipSize( const Size& rSz )
{
    mnGrfSize = rSz;
    if( IsScaleImageMap() && mnGrfSize.Width() && mnGrfSize.Height() )
    {
        // resize Image-Map to size of the graphic
        ScaleImageMap();

        // do not re-scale Image-Map
        SetScaleImageMap( false );
    }
}

void SwGrfNode::ScaleImageMap()
{
    if( !mnGrfSize.Width() || !mnGrfSize.Height() )
        return;

    // re-scale Image-Map
    SwFrameFormat* pFormat = GetFlyFormat();

    if( !pFormat )
        return;

    SwFormatURL aURL( pFormat->GetURL() );
    if ( !aURL.GetMap() )
        return;

    bool bScale = false;
    Fraction aScaleX( 1, 1 );
    Fraction aScaleY( 1, 1 );

    const SwFormatFrameSize& rFrameSize = pFormat->GetFrameSize();
    const SvxBoxItem& rBox = pFormat->GetBox();

    if( !rFrameSize.GetWidthPercent() )
    {
        SwTwips nWidth = rFrameSize.GetWidth();

        nWidth -= rBox.CalcLineSpace(SvxBoxItemLine::LEFT) +
                  rBox.CalcLineSpace(SvxBoxItemLine::RIGHT);

        OSL_ENSURE( nWidth>0, "Do any 0 twip wide graphics exist!?" );

        if( mnGrfSize.Width() != nWidth )
        {
            aScaleX = Fraction( mnGrfSize.Width(), nWidth );
            bScale = true;
        }
    }
    if( !rFrameSize.GetHeightPercent() )
    {
        SwTwips nHeight = rFrameSize.GetHeight();

        nHeight -= rBox.CalcLineSpace(SvxBoxItemLine::TOP) +
                   rBox.CalcLineSpace(SvxBoxItemLine::BOTTOM);

        OSL_ENSURE( nHeight>0, "Do any 0 twip high graphics exist!?" );

        if( mnGrfSize.Height() != nHeight )
        {
            aScaleY = Fraction( mnGrfSize.Height(), nHeight );
            bScale = true;
        }
    }

    if( bScale )
    {
        aURL.GetMap()->Scale( aScaleX, aScaleY );
        pFormat->SetFormatAttr( aURL );
    }
}

SwContentNode* SwGrfNode::MakeCopy(SwDoc& rDoc, const SwNodeIndex& rIdx, bool) const
{
    // copy formats into the other document
    SwGrfFormatColl* pColl = rDoc.CopyGrfColl( *GetGrfColl() );

    Graphic aTmpGrf = GetGrf();

    OUString sFile, sFilter;
    if( IsLinkedFile() )
        sfx2::LinkManager::GetDisplayNames( mxLink.get(), nullptr, &sFile, nullptr, &sFilter );
    else if( IsLinkedDDE() )
    {
        OUString sTmp1, sTmp2;
        sfx2::LinkManager::GetDisplayNames( mxLink.get(), &sTmp1, &sTmp2, &sFilter );
        sfx2::MakeLnkName( sFile, &sTmp1, sTmp2, sFilter );
        sFilter = "DDE";
    }

    SwGrfNode* pGrfNd = SwNodes::MakeGrfNode( rIdx, sFile, sFilter,
                                              &aTmpGrf, pColl,
                                              GetpSwAttrSet() );
    pGrfNd->SetTitle( GetTitle() );
    pGrfNd->SetDescription( GetDescription() );
    pGrfNd->SetContour( HasContour(), HasAutomaticContour() );
    return pGrfNd;
}

/// returns the Graphic-Attr-Structure filled with our graphic attributes
GraphicAttr& SwGrfNode::GetGraphicAttr( GraphicAttr& rGA,
                                        const SwFrame* pFrame ) const
{
    const SwAttrSet& rSet = GetSwAttrSet();

    rGA.SetDrawMode( rSet.GetDrawModeGrf().GetValue() );

    const SwMirrorGrf & rMirror = rSet.GetMirrorGrf();
    BmpMirrorFlags nMirror = BmpMirrorFlags::NONE;
    if( rMirror.IsGrfToggle() && pFrame && !pFrame->FindPageFrame()->OnRightPage() )
    {
        switch( rMirror.GetValue() )
        {
        case MirrorGraph::Dont:
            nMirror = BmpMirrorFlags::Horizontal;
            break;
        case MirrorGraph::Vertical:
            nMirror = BmpMirrorFlags::NONE;
            break;
        case MirrorGraph::Horizontal:
            nMirror = BmpMirrorFlags::Horizontal|BmpMirrorFlags::Vertical;
            break;
        default:
            nMirror = BmpMirrorFlags::Vertical;
            break;
        }
    }
    else
        switch( rMirror.GetValue() )
        {
        case MirrorGraph::Both:
            nMirror = BmpMirrorFlags::Horizontal|BmpMirrorFlags::Vertical;
            break;
        case MirrorGraph::Vertical:
            nMirror = BmpMirrorFlags::Horizontal;
            break;
        case MirrorGraph::Horizontal:
            nMirror = BmpMirrorFlags::Vertical;
            break;
        default: break;
        }

    rGA.SetMirrorFlags( nMirror );

    const SwCropGrf& rCrop = rSet.GetCropGrf();
    rGA.SetCrop( convertTwipToMm100( rCrop.GetLeft() ),
                 convertTwipToMm100( rCrop.GetTop() ),
                 convertTwipToMm100( rCrop.GetRight() ),
                 convertTwipToMm100( rCrop.GetBottom() ));

    const SwRotationGrf& rRotation = rSet.GetRotationGrf();
    rGA.SetRotation( rRotation.GetValue() );

    rGA.SetLuminance( rSet.GetLuminanceGrf().GetValue() );
    rGA.SetContrast( rSet.GetContrastGrf().GetValue() );
    rGA.SetChannelR( rSet.GetChannelRGrf().GetValue() );
    rGA.SetChannelG( rSet.GetChannelGGrf().GetValue() );
    rGA.SetChannelB( rSet.GetChannelBGrf().GetValue() );
    rGA.SetGamma( rSet.GetGammaGrf().GetValue() );
    rGA.SetInvert( rSet.GetInvertGrf().GetValue() );

    const sal_uInt16 nTrans = rSet.GetTransparencyGrf().GetValue();
    rGA.SetAlpha( 255 - static_cast<sal_uInt8>(FRound(
                                std::min( nTrans, sal_uInt16(100) )  * 2.55 )) );

    return rGA;
}

bool SwGrfNode::IsTransparent() const
{
    return maGrfObj.IsTransparent() ||
        GetSwAttrSet().GetTransparencyGrf().GetValue() != 0;
}

void SwGrfNode::TriggerAsyncRetrieveInputStream()
{
    if ( !IsLinkedFile() )
    {
        OSL_FAIL( "<SwGrfNode::TriggerAsyncLoad()> - Method is misused. Method call is only valid for graphic nodes, which refer a linked graphic file" );
        return;
    }

    if (mpThreadConsumer != nullptr)
        return;

    mpThreadConsumer.reset(new SwAsyncRetrieveInputStreamThreadConsumer(*this), o3tl::default_delete<SwAsyncRetrieveInputStreamThreadConsumer>());

    OUString sGrfNm;
    sfx2::LinkManager::GetDisplayNames( mxLink.get(), nullptr, &sGrfNm );
    OUString sReferer;
    SfxObjectShell * sh = GetDoc().GetPersist();
    if (sh != nullptr && sh->HasName())
    {
        sReferer = sh->GetMedium()->GetName();
    }
    mpThreadConsumer->CreateThread( sGrfNm, sReferer );
}


void SwGrfNode::ApplyInputStream(
    const css::uno::Reference<css::io::XInputStream>& xInputStream,
    const bool bIsStreamReadOnly )
{
    if ( IsLinkedFile() )
    {
        if ( xInputStream.is() )
        {
            mxInputStream = xInputStream;
            mbIsStreamReadOnly = bIsStreamReadOnly;
            mbLinkedInputStreamReady = true;
            SwMsgPoolItem aMsgHint( RES_LINKED_GRAPHIC_STREAM_ARRIVED );
            CallSwClientNotify(sw::LegacyModifyHint(&aMsgHint, &aMsgHint));
        }
    }
}

void SwGrfNode::UpdateLinkWithInputStream()
{
    // do not work on link, if a <SwapIn> has been triggered.
    if ( mbInSwapIn || !IsLinkedFile() )
        return;

    GetLink()->setStreamToLoadFrom( mxInputStream, mbIsStreamReadOnly );
    GetLink()->Update();
    TriggerGraphicArrived();

    // #i88291#
    mxInputStream.clear();
    GetLink()->clearStreamToLoadFrom();
    mbLinkedInputStreamReady = false;
    mpThreadConsumer.reset();
}

// #i90395#
bool SwGrfNode::IsAsyncRetrieveInputStreamPossible() const
{
    bool bRet = false;

    if ( IsLinkedFile() )
    {
        OUString sGrfNm;
        sfx2::LinkManager::GetDisplayNames( mxLink.get(), nullptr, &sGrfNm );
        if ( !sGrfNm.startsWith( "vnd.sun.star.pkg:" ) )
        {
            bRet = true;
        }
    }

    return bRet;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */