anchoreddrawobject.cxx

Go to the documentation of this file.

/* -*- 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 <dcontact.hxx>
#include <rootfrm.hxx>
#include <pagefrm.hxx>
#include <tocntntanchoredobjectposition.hxx>
#include <tolayoutanchoredobjectposition.hxx>
#include <frmtool.hxx>
#include <fmtornt.hxx>
#include <txtfrm.hxx>
#include <vector>
#include <svx/svdogrp.hxx>
#include <tools/fract.hxx>
#include <DocumentSettingManager.hxx>
#include <IDocumentState.hxx>
#include <txtfly.hxx>
#include <viewimp.hxx>
#include <textboxhelper.hxx>
#include <unomid.h>
#include <svx/svdoashp.hxx>
#include <osl/diagnose.h>

using namespace ::com::sun::star;

namespace {

class SwPosNotify
{
    private:
        SwAnchoredDrawObject* mpAnchoredDrawObj;
        SwRect maOldObjRect;
        SwPageFrame* mpOldPageFrame;

    public:
        explicit SwPosNotify( SwAnchoredDrawObject* _pAnchoredDrawObj );
        ~SwPosNotify() COVERITY_NOEXCEPT_FALSE;
        // #i32795#
        Point const & LastObjPos() const;
};

}

SwPosNotify::SwPosNotify( SwAnchoredDrawObject* _pAnchoredDrawObj ) :
    mpAnchoredDrawObj( _pAnchoredDrawObj )
{
    maOldObjRect = mpAnchoredDrawObj->GetObjRect();
    // --> #i35640# - determine correct page frame
    mpOldPageFrame = mpAnchoredDrawObj->GetPageFrame();
}

SwPosNotify::~SwPosNotify() COVERITY_NOEXCEPT_FALSE
{
    if ( maOldObjRect != mpAnchoredDrawObj->GetObjRect() )
    {
        if( maOldObjRect.HasArea() && mpOldPageFrame )
        {
            mpAnchoredDrawObj->NotifyBackground( mpOldPageFrame, maOldObjRect,
                                                 PrepareHint::FlyFrameLeave );
        }
        SwRect aNewObjRect( mpAnchoredDrawObj->GetObjRect() );
        if( aNewObjRect.HasArea() )
        {
            // --> #i35640# - determine correct page frame
            SwPageFrame* pNewPageFrame = mpAnchoredDrawObj->GetPageFrame();
            if( pNewPageFrame )
                mpAnchoredDrawObj->NotifyBackground( pNewPageFrame, aNewObjRect,
                                                     PrepareHint::FlyFrameArrive );
        }

        ::ClrContourCache( mpAnchoredDrawObj->GetDrawObj() );

        // --> #i35640# - additional notify anchor text frame
        // Needed for negative positioned drawing objects
        // --> #i43255# - refine condition to avoid unneeded
        // invalidations: anchored object had to be on the page of its anchor
        // text frame.
        if ( mpAnchoredDrawObj->GetAnchorFrame()->IsTextFrame() &&
             mpOldPageFrame == mpAnchoredDrawObj->GetAnchorFrame()->FindPageFrame() )
        {
            mpAnchoredDrawObj->AnchorFrame()->Prepare( PrepareHint::FlyFrameLeave );
        }

        // indicate a restart of the layout process
        mpAnchoredDrawObj->SetRestartLayoutProcess( true );
    }
    else
    {
        // lock position
        mpAnchoredDrawObj->LockPosition();

        if ( !mpAnchoredDrawObj->ConsiderForTextWrap() )
        {
            // indicate that object has to be considered for text wrap
            mpAnchoredDrawObj->SetConsiderForTextWrap( true );
            // invalidate 'background' in order to allow its 'background'
            // to wrap around it.
            mpAnchoredDrawObj->NotifyBackground( mpAnchoredDrawObj->GetPageFrame(),
                                    mpAnchoredDrawObj->GetObjRectWithSpaces(),
                                    PrepareHint::FlyFrameArrive );
            // invalidate position of anchor frame in order to force
            // a re-format of the anchor frame, which also causes a
            // re-format of the invalid previous frames of the anchor frame.
            mpAnchoredDrawObj->AnchorFrame()->InvalidatePos();
        }
    }
    // tdf#101464 notify SwAccessibleMap about new drawing object position
    if (mpOldPageFrame && mpOldPageFrame->getRootFrame()->IsAnyShellAccessible())
    {
        mpOldPageFrame->getRootFrame()->GetCurrShell()->Imp()->MoveAccessible(
                nullptr, mpAnchoredDrawObj->GetDrawObj(), maOldObjRect);
    }
}

// --> #i32795#
Point const & SwPosNotify::LastObjPos() const
{
    return maOldObjRect.Pos();
}

namespace {

// #i32795#
class SwObjPosOscillationControl
{
    private:
        const SwAnchoredDrawObject* mpAnchoredDrawObj;

        std::vector<Point> maObjPositions;

    public:
        explicit SwObjPosOscillationControl( const SwAnchoredDrawObject& _rAnchoredDrawObj );

        bool OscillationDetected();
};

}

SwObjPosOscillationControl::SwObjPosOscillationControl(
                                const SwAnchoredDrawObject& _rAnchoredDrawObj )
    : mpAnchoredDrawObj( &_rAnchoredDrawObj )
{
}

bool SwObjPosOscillationControl::OscillationDetected()
{
    bool bOscillationDetected = false;

    if ( maObjPositions.size() == 20 )
    {
        // position stack is full -> oscillation
        bOscillationDetected = true;
    }
    else
    {
        Point aNewObjPos = mpAnchoredDrawObj->GetObjRect().Pos();
        for ( auto const & pt : maObjPositions )
        {
            if ( aNewObjPos == pt )
            {
                // position already occurred -> oscillation
                bOscillationDetected = true;
                break;
            }
        }
        if ( !bOscillationDetected )
        {
            maObjPositions.push_back( aNewObjPos );
        }
    }

    return bOscillationDetected;
}


SwAnchoredDrawObject::SwAnchoredDrawObject() :
    mbValidPos( false ),
    mbNotYetAttachedToAnchorFrame( true ),
    // --> #i28749#
    mbNotYetPositioned( true ),
    // --> #i62875#
    mbCaptureAfterLayoutDirChange( false )
{
}

SwAnchoredDrawObject::~SwAnchoredDrawObject()
{
}

// --> #i62875#
void SwAnchoredDrawObject::UpdateLayoutDir()
{
    SwFrameFormat::tLayoutDir nOldLayoutDir( GetFrameFormat().GetLayoutDir() );

    SwAnchoredObject::UpdateLayoutDir();

    if ( !NotYetPositioned() &&
         GetFrameFormat().GetLayoutDir() != nOldLayoutDir &&
         GetFrameFormat().GetDoc()->GetDocumentSettingManager().get(DocumentSettingId::DO_NOT_CAPTURE_DRAW_OBJS_ON_PAGE) &&
         !IsOutsidePage() )
    {
        mbCaptureAfterLayoutDirChange = true;
    }
}

// --> #i62875#
bool SwAnchoredDrawObject::IsOutsidePage() const
{
    bool bOutsidePage( false );

    if ( !NotYetPositioned() && GetPageFrame() )
    {
        SwRect aTmpRect( GetObjRect() );
        bOutsidePage =
            ( aTmpRect.Intersection( GetPageFrame()->getFrameArea() ) != GetObjRect() );
    }

    return bOutsidePage;
}

void SwAnchoredDrawObject::MakeObjPos()
{
    if ( IsPositioningInProgress() )
    {
        // nothing to do - positioning already in progress
        return;
    }

    if ( mbValidPos )
    {
        // nothing to do - position is valid
        return;
    }

    // --> #i28749# - anchored drawing object has to be attached
    // to anchor frame
    if ( mbNotYetAttachedToAnchorFrame )
    {
        OSL_FAIL( "<SwAnchoredDrawObject::MakeObjPos() - drawing object not yet attached to anchor frame -> no positioning" );
        return;
    }

    SwDrawContact* pDrawContact =
                        static_cast<SwDrawContact*>(::GetUserCall( GetDrawObj() ));

    // --> #i28749# - if anchored drawing object hasn't been yet
    // positioned, convert its positioning attributes, if its positioning
    // attributes are given in horizontal left-to-right layout.
    // --> #i36010# - Note: horizontal left-to-right layout is made
    // the default layout direction for <SwDrawFrameFormat> instances. Thus, it has
    // to be adjusted manually, if no adjustment of the positioning attributes
    // have to be performed here.
    // --> #i35635# - additionally move drawing object to the visible layer.
    if ( mbNotYetPositioned )
    {
        // --> #i35635#
        pDrawContact->MoveObjToVisibleLayer( DrawObj() );
        // --> perform conversion of positioning
        // attributes only for 'master' drawing objects
        // #i44334#, #i44681# - check, if positioning
        // attributes already have been set.
        if ( dynamic_cast< const SwDrawVirtObj* >(GetDrawObj()) ==  nullptr &&
             !static_cast<SwDrawFrameFormat&>(GetFrameFormat()).IsPosAttrSet() )
        {
            SetPositioningAttr();
        }
        // -->
        // - reset internal flag after all needed actions are performed to
        //   avoid callbacks from drawing layer
        mbNotYetPositioned = false;
    }

    // indicate that positioning is in progress
    {
        SwObjPositioningInProgress aObjPosInProgress( *this );

        // determine relative position of drawing object and set it
        switch ( pDrawContact->GetAnchorId() )
        {
            case RndStdIds::FLY_AS_CHAR:
            {
                // indicate that position will be valid after positioning is performed
                mbValidPos = true;
                // nothing to do, because as-character anchored objects are positioned
                // during the format of its anchor frame - see <SwFlyCntPortion::SetBase(..)>
            }
            break;
            case RndStdIds::FLY_AT_PARA:
            case RndStdIds::FLY_AT_CHAR:
            {
                // --> #i32795# - move intrinsic positioning to
                // helper method <MakeObjPosAnchoredAtPara()>
                MakeObjPosAnchoredAtPara();
            }
            break;
            case RndStdIds::FLY_AT_PAGE:
            case RndStdIds::FLY_AT_FLY:
            {
                // --> #i32795# - move intrinsic positioning to
                // helper method <MakeObjPosAnchoredAtLayout()>
                MakeObjPosAnchoredAtLayout();
            }
            break;
            default:
            {
                assert(!"<SwAnchoredDrawObject::MakeObjPos()> - unknown anchor type.");
            }
        }

        // keep, current object rectangle
        // --> #i34748# - use new method <SetLastObjRect(..)>
        SetLastObjRect( GetObjRect().SVRect() );

        // Assure for 'master' drawing object, that it's registered at the correct page.
        // Perform check not for as-character anchored drawing objects and only if
        // the anchor frame is valid.
        if ( dynamic_cast< const SwDrawVirtObj* >(GetDrawObj()) ==  nullptr &&
             !pDrawContact->ObjAnchoredAsChar() &&
             GetAnchorFrame()->isFrameAreaDefinitionValid() )
        {
            pDrawContact->ChkPage();
        }
    }

    // --> #i62875#
    if ( !(mbCaptureAfterLayoutDirChange &&
         GetPageFrame()) )
        return;

    SwRect aPageRect( GetPageFrame()->getFrameArea() );
    SwRect aObjRect( GetObjRect() );
    if ( aObjRect.Right() >= aPageRect.Right() + 10 )
    {
        Size aSize( aPageRect.Right() - aObjRect.Right(), 0 );
        DrawObj()->Move( aSize );
        aObjRect = GetObjRect();
    }

    if ( aObjRect.Left() + 10 <= aPageRect.Left() )
    {
        Size aSize( aPageRect.Left() - aObjRect.Left(), 0 );
        DrawObj()->Move( aSize );
    }

    mbCaptureAfterLayoutDirChange = false;
}

void SwAnchoredDrawObject::MakeObjPosAnchoredAtPara()
{
    // --> #i32795# - adopt positioning algorithm from Writer
    // fly frames, which are anchored at paragraph|at character

    // Determine, if anchor frame can/has to be formatted.
    // If yes, after each object positioning the anchor frame is formatted.
    // If after the anchor frame format the object position isn't valid, the
    // object is positioned again.
    // --> #i43255# - refine condition: anchor frame format not
    // allowed, if another anchored object, has to be consider its wrap influence
    // --> #i50356# - format anchor frame containing the anchor
    // position. E.g., for at-character anchored object this can be the follow
    // frame of the anchor frame, which contains the anchor character.
    bool bJoinLocked
        = static_cast<const SwTextFrame*>(GetAnchorFrameContainingAnchPos())->IsAnyJoinLocked();
    const bool bFormatAnchor = !bJoinLocked && !ConsiderObjWrapInfluenceOnObjPos()
                               && !ConsiderObjWrapInfluenceOfOtherObjs();

    // Format of anchor is needed for (vertical) fly offsets, otherwise the
    // lack of fly portions will result in an incorrect 0 offset.
    bool bAddVerticalFlyOffsets = GetFrameFormat().getIDocumentSettingAccess().get(
        DocumentSettingId::ADD_VERTICAL_FLY_OFFSETS);
    bool bFormatAnchorOnce = !bJoinLocked && bAddVerticalFlyOffsets;

    if (bFormatAnchor || bFormatAnchorOnce)
    {
        // --> #i50356#
        GetAnchorFrameContainingAnchPos()->Calc(GetAnchorFrameContainingAnchPos()->getRootFrame()->GetCurrShell()->GetOut());
    }

    bool bOscillationDetected = false;
    SwObjPosOscillationControl aObjPosOscCtrl( *this );
    // --> #i3317# - boolean, to apply temporarily the
    // 'straightforward positioning process' for the frame due to its
    // overlapping with a previous column.
    bool bConsiderWrapInfluenceDueToOverlapPrevCol( false );
    do {
        // indicate that position will be valid after positioning is performed
        mbValidPos = true;

        // --> #i35640# - correct scope for <SwPosNotify> instance
        {
            // create instance of <SwPosNotify> for correct notification
            SwPosNotify aPosNotify( this );

            // determine and set position
            objectpositioning::SwToContentAnchoredObjectPosition
                    aObjPositioning( *DrawObj() );
            aObjPositioning.CalcPosition();

            // get further needed results of the positioning algorithm
            SetVertPosOrientFrame ( aObjPositioning.GetVertPosOrientFrame() );
            SetDrawObjAnchor();

            // check for object position oscillation, if position has changed.
            if ( GetObjRect().Pos() != aPosNotify.LastObjPos() )
            {
                bOscillationDetected = aObjPosOscCtrl.OscillationDetected();
            }
        }
        // format anchor frame, if requested.
        // Note: the format of the anchor frame can cause the object position
        // to be invalid.
        if ( bFormatAnchor )
        {
            // --> #i50356#
            GetAnchorFrameContainingAnchPos()->Calc(GetAnchorFrameContainingAnchPos()->getRootFrame()->GetCurrShell()->GetOut());
        }

        // --> #i3317#
        if ( !ConsiderObjWrapInfluenceOnObjPos() &&
             OverlapsPrevColumn() )
        {
            bConsiderWrapInfluenceDueToOverlapPrevCol = true;
        }
    } while ( !mbValidPos && !bOscillationDetected &&
              !bConsiderWrapInfluenceDueToOverlapPrevCol );

    // --> #i3317# - consider a detected oscillation and overlapping
    // with previous column.
    // temporarily consider the anchored objects wrapping style influence
    if ( bOscillationDetected || bConsiderWrapInfluenceDueToOverlapPrevCol )
    {
        SetTmpConsiderWrapInfluence( true );
        SetRestartLayoutProcess( true );
    }
}

void SwAnchoredDrawObject::MakeObjPosAnchoredAtLayout()
{
    // indicate that position will be valid after positioning is performed
    mbValidPos = true;

    // create instance of <SwPosNotify> for correct notification
    SwPosNotify aPosNotify( this );

    // determine position
    objectpositioning::SwToLayoutAnchoredObjectPosition
            aObjPositioning( *DrawObj() );
    aObjPositioning.CalcPosition();

    // set position

    // --> #i31698#
    // --> #i34995# - setting anchor position needed for filters,
    // especially for the xml-filter to the OpenOffice.org file format
    {
        const Point aNewAnchorPos =
                    GetAnchorFrame()->GetFrameAnchorPos( ::HasWrap( GetDrawObj() ) );
        DrawObj()->SetAnchorPos( aNewAnchorPos );
        // --> #i70122# - missing invalidation
        InvalidateObjRectWithSpaces();
    }
    SetCurrRelPos( aObjPositioning.GetRelPos() );
    const SwFrame* pAnchorFrame = GetAnchorFrame();
    SwRectFnSet aRectFnSet(pAnchorFrame);
    const Point aAnchPos( aRectFnSet.GetPos(pAnchorFrame->getFrameArea()) );
    SetObjLeft( aAnchPos.X() + GetCurrRelPos().X() );
    SetObjTop( aAnchPos.Y() + GetCurrRelPos().Y() );
}

void SwAnchoredDrawObject::SetDrawObjAnchor()
{
    // new anchor position
    // --> #i31698# -
    Point aNewAnchorPos =
                GetAnchorFrame()->GetFrameAnchorPos( ::HasWrap( GetDrawObj() ) );
    Point aCurrAnchorPos = GetDrawObj()->GetAnchorPos();
    if ( aNewAnchorPos != aCurrAnchorPos )
    {
        // determine movement to be applied after setting the new anchor position
        Size aMove( aCurrAnchorPos.getX() - aNewAnchorPos.getX(),
                    aCurrAnchorPos.getY() - aNewAnchorPos.getY() );
        // set new anchor position
        DrawObj()->SetAnchorPos( aNewAnchorPos );
        // correct object position, caused by setting new anchor position
        DrawObj()->Move( aMove );
        // --> #i70122# - missing invalidation
        InvalidateObjRectWithSpaces();
    }
}

void SwAnchoredDrawObject::InvalidatePage_( SwPageFrame* _pPageFrame )
{
    if ( !_pPageFrame || _pPageFrame->GetFormat()->GetDoc()->IsInDtor() )
        return;

    if ( !_pPageFrame->GetUpper() )
        return;

    // --> #i35007# - correct invalidation for as-character
    // anchored objects.
    if ( GetFrameFormat().GetAnchor().GetAnchorId() == RndStdIds::FLY_AS_CHAR )
    {
        _pPageFrame->InvalidateFlyInCnt();
    }
    else
    {
        _pPageFrame->InvalidateFlyLayout();
    }

    SwRootFrame* pRootFrame = static_cast<SwRootFrame*>(_pPageFrame->GetUpper());
    pRootFrame->DisallowTurbo();
    if ( pRootFrame->GetTurbo() )
    {
        const SwContentFrame* pTmpFrame = pRootFrame->GetTurbo();
        pRootFrame->ResetTurbo();
        pTmpFrame->InvalidatePage();
    }
    pRootFrame->SetIdleFlags();
}

void SwAnchoredDrawObject::InvalidateObjPos()
{
    // --> #i28701# - check, if invalidation is allowed
    if ( !(mbValidPos &&
         InvalidationOfPosAllowed()) )
        return;

    mbValidPos = false;
    // --> #i68520#
    InvalidateObjRectWithSpaces();

    // --> #i44339# - check, if anchor frame exists.
    if ( !GetAnchorFrame() )
        return;

    // --> #118547# - notify anchor frame of as-character
    // anchored object, because its positioned by the format of its anchor frame.
    // --> #i44559# - assure, that text hint is already
    // existing in the text frame
    if ( GetAnchorFrame()->DynCastTextFrame() != nullptr &&
         (GetFrameFormat().GetAnchor().GetAnchorId() == RndStdIds::FLY_AS_CHAR) )
    {
        SwTextFrame* pAnchorTextFrame( static_cast<SwTextFrame*>(AnchorFrame()) );
        if (pAnchorTextFrame->CalcFlyPos(&GetFrameFormat()) != TextFrameIndex(COMPLETE_STRING))
        {
            AnchorFrame()->Prepare( PrepareHint::FlyFrameAttributesChanged, &GetFrameFormat() );
        }
    }

    SwPageFrame* pPageFrame = AnchorFrame()->FindPageFrame();
    InvalidatePage_( pPageFrame );

    // --> #i32270# - also invalidate page frame, at which the
    // drawing object is registered at.
    SwPageFrame* pPageFrameRegisteredAt = GetPageFrame();
    if ( pPageFrameRegisteredAt &&
         pPageFrameRegisteredAt != pPageFrame )
    {
        InvalidatePage_( pPageFrameRegisteredAt );
    }
    // #i33751#, #i34060# - method <GetPageFrameOfAnchor()>
    // is replaced by method <FindPageFrameOfAnchor()>. It's return value
    // have to be checked.
    SwPageFrame* pPageFrameOfAnchor = FindPageFrameOfAnchor();
    if ( pPageFrameOfAnchor &&
         pPageFrameOfAnchor != pPageFrame &&
         pPageFrameOfAnchor != pPageFrameRegisteredAt )
    {
        InvalidatePage_( pPageFrameOfAnchor );
    }
}

SwFrameFormat& SwAnchoredDrawObject::GetFrameFormat()
{
    assert(static_cast<SwDrawContact*>(GetUserCall(GetDrawObj()))->GetFormat());
    return *(static_cast<SwDrawContact*>(GetUserCall(GetDrawObj()))->GetFormat());
}
const SwFrameFormat& SwAnchoredDrawObject::GetFrameFormat() const
{
    assert(static_cast<SwDrawContact*>(GetUserCall(GetDrawObj()))->GetFormat());
    return *(static_cast<SwDrawContact*>(GetUserCall(GetDrawObj()))->GetFormat());
}

SwRect SwAnchoredDrawObject::GetObjRect() const
{
    // use geometry of drawing object
    //return GetDrawObj()->GetCurrentBoundRect();
    return SwRect(GetDrawObj()->GetSnapRect());
}

namespace
{
    // Imagine an open book, inside margin is the one that is at the inner side of the pages, at the center of the book,
    // outside margin is at the two opposite edges of the book.
    // outside --text-- inside | inside --text-- outside
    // With mirrored margins, when relating the size of an object from the inside margin for example, on the
    // first page we calculate the new size of the object using the size of the right margin,
    // on second page the left margin, third page right margin, etc.
    tools::Long getInsideOutsideRelativeWidth(bool isOutside, const SwPageFrame* const pPageFrame)
    {
        // Alternating between the only two possible cases: inside and outside.
        // Inside = false, Outside = true.
        auto nPageNum = pPageFrame->GetPhyPageNum();
        if (nPageNum % 2 == (isOutside ? 0 : 1))
            return pPageFrame->GetRightMargin();
        else
            return pPageFrame->GetLeftMargin();
    }
}

// --> #i70122#
SwRect SwAnchoredDrawObject::GetObjBoundRect() const
{
    bool bGroupShape = dynamic_cast<const SdrObjGroup*>( GetDrawObj() );
    // Resize objects with relative width or height
    if ( !bGroupShape && GetPageFrame( ) && ( GetDrawObj( )->GetRelativeWidth( ) || GetDrawObj()->GetRelativeHeight( ) ) )
    {
        tools::Rectangle aCurrObjRect = GetDrawObj()->GetCurrentBoundRect();

        tools::Long nTargetWidth = aCurrObjRect.GetWidth( );
        if ( GetDrawObj( )->GetRelativeWidth( ) )
        {
            tools::Long nWidth = 0;
            if (GetDrawObj()->GetRelativeWidthRelation() == text::RelOrientation::FRAME)
                // Exclude margins.
                nWidth = GetPageFrame()->getFramePrintArea().SVRect().GetWidth();
            // Here we handle the relative size of the width of some shape.
            // The size of the shape's width is going to be relative to the size of the left margin.
            // E.g.: (left margin = 8 && relative size = 150%) -> width of some shape = 12.
            else if (GetDrawObj()->GetRelativeWidthRelation() == text::RelOrientation::PAGE_LEFT)
            {
                if (GetPageFrame()->GetPageDesc()->GetUseOn() == UseOnPage::Mirror)
                    // We want to get the width of whatever is going through here using the size of the
                    // outside margin.
                    nWidth = getInsideOutsideRelativeWidth(true, GetPageFrame());
                else
                    nWidth = GetPageFrame()->GetLeftMargin();
            }
            // Same as the left margin above.
            else if (GetDrawObj()->GetRelativeWidthRelation() == text::RelOrientation::PAGE_RIGHT)
                if (GetPageFrame()->GetPageDesc()->GetUseOn() == UseOnPage::Mirror)
                    // We want to get the width of whatever is going through here using the size of the
                    // inside margin.
                    nWidth = getInsideOutsideRelativeWidth(false, GetPageFrame());
                else
                    nWidth = GetPageFrame()->GetRightMargin();
            else
                nWidth = GetPageFrame( )->GetBoundRect( GetPageFrame()->getRootFrame()->GetCurrShell()->GetOut() ).SVRect().GetWidth();
            nTargetWidth = nWidth * (*GetDrawObj( )->GetRelativeWidth());
        }

        bool bCheck = GetDrawObj()->GetRelativeHeight();
        if (bCheck)
        {
            auto pObjCustomShape = dynamic_cast<const SdrObjCustomShape*>(GetDrawObj());
            bCheck = !pObjCustomShape || !pObjCustomShape->IsAutoGrowHeight();
        }

        tools::Long nTargetHeight = aCurrObjRect.GetHeight();
        if (bCheck)
        {
            tools::Long nHeight = 0;
            if (GetDrawObj()->GetRelativeHeightRelation() == text::RelOrientation::FRAME)
                // Exclude margins.
                nHeight = GetPageFrame()->getFramePrintArea().SVRect().GetHeight();
            else if (GetDrawObj()->GetRelativeHeightRelation() == text::RelOrientation::PAGE_PRINT_AREA)
            {
                // count required height: print area top = top margin + header
                SwRect aHeaderRect;
                const SwHeaderFrame* pHeaderFrame = GetPageFrame()->GetHeaderFrame();
                if (pHeaderFrame)
                    aHeaderRect = pHeaderFrame->GetPaintArea();
                nHeight = GetPageFrame()->GetTopMargin() + aHeaderRect.Height();
            }
            else if (GetDrawObj()->GetRelativeHeightRelation() == text::RelOrientation::PAGE_PRINT_AREA_BOTTOM)
            {
                // count required height: print area bottom = bottom margin + footer
                SwRect aFooterRect;
                auto pFooterFrame = GetPageFrame()->GetFooterFrame();
                if (pFooterFrame)
                    aFooterRect = pFooterFrame->GetPaintArea();
                nHeight = GetPageFrame()->GetBottomMargin() + aFooterRect.Height();
            }
            else
                nHeight = GetPageFrame( )->GetBoundRect( GetPageFrame()->getRootFrame()->GetCurrShell()->GetOut() ).SVRect().GetHeight();
            nTargetHeight = nHeight * (*GetDrawObj()->GetRelativeHeight());
        }

        if ( nTargetWidth != aCurrObjRect.GetWidth( ) || nTargetHeight != aCurrObjRect.GetHeight( ) )
        {
            SwDoc* pDoc = const_cast<SwDoc*>(GetPageFrame()->GetFormat()->GetDoc());

            bool bEnableSetModified = pDoc->getIDocumentState().IsEnableSetModified();
            pDoc->getIDocumentState().SetEnableSetModified(false);
            auto pObject = const_cast<SdrObject*>(GetDrawObj());
            pObject->Resize( aCurrObjRect.TopLeft(),
                    Fraction( nTargetWidth, aCurrObjRect.GetWidth() ),
                    Fraction( nTargetHeight, aCurrObjRect.GetHeight() ), false );

            if (SwFrameFormat* pFrameFormat = FindFrameFormat(pObject))
            {
                if (SwTextBoxHelper::isTextBox(pFrameFormat, RES_DRAWFRMFMT))
                {
                    // Shape has relative size and also a textbox, update its text area as well.
                    uno::Reference<drawing::XShape> xShape(pObject->getUnoShape(), uno::UNO_QUERY);
                    SwTextBoxHelper::syncProperty(pFrameFormat, RES_FRM_SIZE, MID_FRMSIZE_SIZE,
                                                  uno::makeAny(xShape->getSize()));
                }
            }

            pDoc->getIDocumentState().SetEnableSetModified(bEnableSetModified);
        }
    }
    return SwRect(GetDrawObj()->GetCurrentBoundRect());
}

// --> #i68520#
bool SwAnchoredDrawObject::SetObjTop_( const SwTwips _nTop )
{
    SwTwips nDiff = _nTop - GetObjRect().Top();
    DrawObj()->Move( Size( 0, nDiff ) );

    return nDiff != 0;
}
bool SwAnchoredDrawObject::SetObjLeft_( const SwTwips _nLeft )
{
    SwTwips nDiff = _nLeft - GetObjRect().Left();
    DrawObj()->Move( Size( nDiff, 0 ) );

    return nDiff != 0;
}

void SwAnchoredDrawObject::AdjustPositioningAttr( const SwFrame* _pNewAnchorFrame,
                                                  const SwRect* _pNewObjRect )
{
    SwTwips nHoriRelPos = 0;
    SwTwips nVertRelPos = 0;
    const Point aAnchorPos = _pNewAnchorFrame->GetFrameAnchorPos( ::HasWrap( GetDrawObj() ) );
    // --> #i33313#
    const SwRect aObjRect( _pNewObjRect ? *_pNewObjRect : GetObjRect() );
    const bool bVert = _pNewAnchorFrame->IsVertical();
    const bool bR2L = _pNewAnchorFrame->IsRightToLeft();
    if ( bVert )
    {
        nHoriRelPos = aObjRect.Top() - aAnchorPos.Y();
        nVertRelPos = aAnchorPos.X() - aObjRect.Right();
    }
    else if ( bR2L )
    {
        nHoriRelPos = aAnchorPos.X() - aObjRect.Right();
        nVertRelPos = aObjRect.Top() - aAnchorPos.Y();
    }
    else
    {
        nHoriRelPos = aObjRect.Left() - aAnchorPos.X();
        nVertRelPos = aObjRect.Top() - aAnchorPos.Y();
    }

    SwFormatHoriOrient hori(nHoriRelPos, text::HoriOrientation::NONE, text::RelOrientation::FRAME);
    SwFormatVertOrient vert(nVertRelPos, text::VertOrientation::NONE, text::RelOrientation::FRAME);
    SfxItemSet items(GetFrameFormat().GetDoc()->GetAttrPool(), svl::Items<RES_VERT_ORIENT, RES_HORI_ORIENT>);
    items.Put(hori);
    items.Put(vert);
    GetFrameFormat().GetDoc()->SetAttr(items, GetFrameFormat());
}

// --> #i34748# - change return type.
// If member <mpLastObjRect> is NULL, create one.
void SwAnchoredDrawObject::SetLastObjRect( const tools::Rectangle& _rNewLastRect )
{
    maLastObjRect = _rNewLastRect;
}

void SwAnchoredDrawObject::ObjectAttachedToAnchorFrame()
{
    // --> #i31698#
    SwAnchoredObject::ObjectAttachedToAnchorFrame();

    if ( mbNotYetAttachedToAnchorFrame )
    {
        mbNotYetAttachedToAnchorFrame = false;
    }
}

void SwAnchoredDrawObject::SetPositioningAttr()
{
    SwDrawContact* pDrawContact =
                        static_cast<SwDrawContact*>(GetUserCall( GetDrawObj() ));

    if ( !pDrawContact->ObjAnchoredAsChar() )
    {
        SwRect aObjRect( GetObjRect() );

        SwTwips nHoriPos = aObjRect.Left();
        SwTwips nVertPos = aObjRect.Top();
        // #i44334#, #i44681#
        // perform conversion only if position is in horizontal-left-to-right-layout.
        if ( GetFrameFormat().GetPositionLayoutDir() ==
                text::PositionLayoutDir::PositionInHoriL2R )
        {
            SwFrameFormat::tLayoutDir eLayoutDir = GetFrameFormat().GetLayoutDir();
            switch ( eLayoutDir )
            {
                case SwFrameFormat::HORI_L2R:
                {
                    // nothing to do
                }
                break;
                case SwFrameFormat::HORI_R2L:
                {
                    nHoriPos = -aObjRect.Left() - aObjRect.Width();
                }
                break;
                case SwFrameFormat::VERT_R2L:
                {
                    nHoriPos = aObjRect.Top();
                    nVertPos = -aObjRect.Left() - aObjRect.Width();
                }
                break;
                default:
                {
                    assert(!"<SwAnchoredDrawObject::SetPositioningAttr()> - unsupported layout direction");
                }
            }
        }

        // --> #i71182#
        // only change position - do not lose other attributes

        SwFormatHoriOrient aHori( GetFrameFormat().GetHoriOrient() );
        if (nHoriPos != aHori.GetPos()) {
            aHori.SetPos( nHoriPos );
            InvalidateObjRectWithSpaces();
            GetFrameFormat().SetFormatAttr( aHori );
        }

        SwFormatVertOrient aVert( GetFrameFormat().GetVertOrient() );
        if (nVertPos != aVert.GetPos()) {
            aVert.SetPos( nVertPos );
            InvalidateObjRectWithSpaces();
            GetFrameFormat().SetFormatAttr( aVert );
        }

        // --> #i36010# - set layout direction of the position
        GetFrameFormat().SetPositionLayoutDir(
            text::PositionLayoutDir::PositionInLayoutDirOfAnchor );
    }
    // --> #i65798# - also for as-character anchored objects
    // --> #i45952# - indicate that position
    // attributes are set now.
    static_cast<SwDrawFrameFormat&>(GetFrameFormat()).PosAttrSet();
}

void SwAnchoredDrawObject::NotifyBackground( SwPageFrame* _pPageFrame,
                                             const SwRect& _rRect,
                                             PrepareHint _eHint )
{
    ::Notify_Background( GetDrawObj(), _pPageFrame, _rRect, _eHint, true );
}

void SwAnchoredDrawObject::RegisterAtCorrectPage()
{
    SwPageFrame* pPageFrame( nullptr );
    if ( GetVertPosOrientFrame() )
    {
        pPageFrame = const_cast<SwPageFrame*>(GetVertPosOrientFrame()->FindPageFrame());
    }
    if ( pPageFrame && GetPageFrame() != pPageFrame )
    {
        RegisterAtPage(*pPageFrame);
    }
}

void SwAnchoredDrawObject::RegisterAtPage(SwPageFrame & rPageFrame)
{
    assert(GetPageFrame() != &rPageFrame);
    if (GetPageFrame())
    {
        GetPageFrame()->RemoveDrawObjFromPage( *this );
    }
    rPageFrame.AppendDrawObjToPage( *this );
}

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