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| -rw-r--r-- | sd/source/ui/func/fumorph.cxx | 508 |
1 files changed, 508 insertions, 0 deletions
diff --git a/sd/source/ui/func/fumorph.cxx b/sd/source/ui/func/fumorph.cxx new file mode 100644 index 000000000..c2f94b440 --- /dev/null +++ b/sd/source/ui/func/fumorph.cxx @@ -0,0 +1,508 @@ +/* -*- 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 <fumorph.hxx> +#include <svx/xfillit0.hxx> +#include <svx/xlineit0.hxx> +#include <svx/xlnclit.hxx> +#include <svx/xlnwtit.hxx> +#include <svx/xflclit.hxx> +#include <svx/svdopath.hxx> +#include <svx/svdogrp.hxx> +#include <editeng/eeitem.hxx> + +#include <View.hxx> +#include <Window.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> + +#include <strings.hrc> +#include <sdresid.hxx> + +#include <sdabstdlg.hxx> + +#include <svx/svditer.hxx> + +#include <basegfx/color/bcolor.hxx> +#include <com/sun/star/drawing/LineStyle.hpp> + +using namespace com::sun::star; + +namespace sd { + +FuMorph::FuMorph ( + ViewShell* pViewSh, + ::sd::Window* pWin, + ::sd::View* pView, + SdDrawDocument* pDoc, + SfxRequest& rReq ) + : FuPoor(pViewSh, pWin, pView, pDoc, rReq) +{ +} + +rtl::Reference<FuPoor> FuMorph::Create( + ViewShell* pViewSh, + ::sd::Window* pWin, + ::sd::View* pView, + SdDrawDocument* pDoc, + SfxRequest& rReq +) +{ + rtl::Reference<FuPoor> xFunc( new FuMorph( pViewSh, pWin, pView, pDoc, rReq ) ); + xFunc->DoExecute(rReq); + return xFunc; +} + +void FuMorph::DoExecute( SfxRequest& ) +{ + const SdrMarkList& rMarkList = mpView->GetMarkedObjectList(); + + if(rMarkList.GetMarkCount() != 2) + return; + + // create clones + SdrObject* pObj1 = rMarkList.GetMark(0)->GetMarkedSdrObj(); + SdrObject* pObj2 = rMarkList.GetMark(1)->GetMarkedSdrObj(); + SdrObject* pCloneObj1(pObj1->CloneSdrObject(pObj1->getSdrModelFromSdrObject())); + SdrObject* pCloneObj2(pObj2->CloneSdrObject(pObj2->getSdrModelFromSdrObject())); + + // delete text at clone, otherwise we do not get a correct PathObj + pCloneObj1->SetOutlinerParaObject(std::nullopt); + pCloneObj2->SetOutlinerParaObject(std::nullopt); + + // create path objects + SdrObjectUniquePtr pPolyObj1 = pCloneObj1->ConvertToPolyObj(false, false); + SdrObjectUniquePtr pPolyObj2 = pCloneObj2->ConvertToPolyObj(false, false); + SdAbstractDialogFactory* pFact = SdAbstractDialogFactory::Create(); + ScopedVclPtr<AbstractMorphDlg> pDlg( pFact->CreateMorphDlg(mpWindow ? mpWindow->GetFrameWeld() : nullptr, pObj1, pObj2) ); + if(pPolyObj1 && pPolyObj2 && (pDlg->Execute() == RET_OK)) + { + B2DPolyPolygonList_impl aPolyPolyList; + ::basegfx::B2DPolyPolygon aPolyPoly1; + ::basegfx::B2DPolyPolygon aPolyPoly2; + + pDlg->SaveSettings(); + + // #i48168# Not always is the pPolyObj1/pPolyObj2 a SdrPathObj, it may also be a group object + // containing SdrPathObjs. To get the polygons, I add two iters here + SdrObjListIter aIter1(*pPolyObj1); + SdrObjListIter aIter2(*pPolyObj2); + + while(aIter1.IsMore()) + { + SdrObject* pObj = aIter1.Next(); + if(auto pPathObj = dynamic_cast< SdrPathObj *>( pObj )) + aPolyPoly1.append(pPathObj->GetPathPoly()); + } + + while(aIter2.IsMore()) + { + SdrObject* pObj = aIter2.Next(); + if(auto pPathObj = dynamic_cast< SdrPathObj *>( pObj )) + aPolyPoly2.append(pPathObj->GetPathPoly()); + } + + // perform morphing + if(aPolyPoly1.count() && aPolyPoly2.count()) + { + aPolyPoly1 = ::basegfx::utils::correctOrientations(aPolyPoly1); + aPolyPoly1.removeDoublePoints(); + ::basegfx::B2VectorOrientation eIsClockwise1(::basegfx::utils::getOrientation(aPolyPoly1.getB2DPolygon(0))); + + aPolyPoly2 = ::basegfx::utils::correctOrientations(aPolyPoly2); + aPolyPoly2.removeDoublePoints(); + ::basegfx::B2VectorOrientation eIsClockwise2(::basegfx::utils::getOrientation(aPolyPoly2.getB2DPolygon(0))); + + // set same orientation + if(eIsClockwise1 != eIsClockwise2) + aPolyPoly2.flip(); + + // force same poly count + if(aPolyPoly1.count() < aPolyPoly2.count()) + ImpAddPolys(aPolyPoly1, aPolyPoly2); + else if(aPolyPoly2.count() < aPolyPoly1.count()) + ImpAddPolys(aPolyPoly2, aPolyPoly1); + + // use orientation flag from dialog + if(!pDlg->IsOrientationFade()) + aPolyPoly2.flip(); + + // force same point counts + for( sal_uInt32 a(0); a < aPolyPoly1.count(); a++ ) + { + ::basegfx::B2DPolygon aSub1(aPolyPoly1.getB2DPolygon(a)); + ::basegfx::B2DPolygon aSub2(aPolyPoly2.getB2DPolygon(a)); + + if(aSub1.count() < aSub2.count()) + ImpEqualizePolyPointCount(aSub1, aSub2); + else if(aSub2.count() < aSub1.count()) + ImpEqualizePolyPointCount(aSub2, aSub1); + + aPolyPoly1.setB2DPolygon(a, aSub1); + aPolyPoly2.setB2DPolygon(a, aSub2); + } + + ImpMorphPolygons(aPolyPoly1, aPolyPoly2, pDlg->GetFadeSteps(), aPolyPolyList); + + OUString aString = mpView->GetDescriptionOfMarkedObjects() + + " " + SdResId(STR_UNDO_MORPHING); + + mpView->BegUndo(aString); + ImpInsertPolygons(aPolyPolyList, pDlg->IsAttributeFade(), pObj1, pObj2); + mpView->EndUndo(); + } + } + SdrObject::Free( pCloneObj1 ); + SdrObject::Free( pCloneObj2 ); +} + +static ::basegfx::B2DPolygon ImpGetExpandedPolygon( + const ::basegfx::B2DPolygon& rCandidate, + sal_uInt32 nNum +) +{ + if(rCandidate.count() && nNum && rCandidate.count() != nNum) + { + // length of step in dest poly + ::basegfx::B2DPolygon aRetval; + const double fStep(::basegfx::utils::getLength(rCandidate) / static_cast<double>(rCandidate.isClosed() ? nNum : nNum - 1)); + double fDestPos(0.0); + double fSrcPos(0.0); + sal_uInt32 nSrcPos(0); + sal_uInt32 nSrcPosNext((nSrcPos + 1 == rCandidate.count()) ? 0 : nSrcPos + 1); + double fNextSrcLen(::basegfx::B2DVector(rCandidate.getB2DPoint(nSrcPos) - rCandidate.getB2DPoint(nSrcPosNext)).getLength()); + + for(sal_uInt32 b(0); b < nNum; b++) + { + // calc fDestPos in source + while(fSrcPos + fNextSrcLen < fDestPos) + { + fSrcPos += fNextSrcLen; + nSrcPos++; + nSrcPosNext = (nSrcPos + 1 == rCandidate.count()) ? 0 : nSrcPos + 1; + fNextSrcLen = ::basegfx::B2DVector(rCandidate.getB2DPoint(nSrcPos) - rCandidate.getB2DPoint(nSrcPosNext)).getLength(); + } + + // fDestPos is between fSrcPos and (fSrcPos + fNextSrcLen) + const double fLenA((fDestPos - fSrcPos) / fNextSrcLen); + const ::basegfx::B2DPoint aOld1(rCandidate.getB2DPoint(nSrcPos)); + const ::basegfx::B2DPoint aOld2(rCandidate.getB2DPoint(nSrcPosNext)); + ::basegfx::B2DPoint aNewPoint(basegfx::interpolate(aOld1, aOld2, fLenA)); + aRetval.append(aNewPoint); + + // next step + fDestPos += fStep; + } + + if(aRetval.count() >= 3) + { + aRetval.setClosed(rCandidate.isClosed()); + } + + return aRetval; + } + else + { + return rCandidate; + } +} + +/** + * make the point count of the polygons equal in adding points + */ +void FuMorph::ImpEqualizePolyPointCount( + ::basegfx::B2DPolygon& rSmall, + const ::basegfx::B2DPolygon& rBig +) +{ + // create poly with equal point count + const sal_uInt32 nCnt(rBig.count()); + ::basegfx::B2DPolygon aPoly1(ImpGetExpandedPolygon(rSmall, nCnt)); + + // create transformation for rBig to do the compare + const ::basegfx::B2DRange aSrcSize(::basegfx::utils::getRange(rBig)); + const ::basegfx::B2DPoint aSrcPos(aSrcSize.getCenter()); + const ::basegfx::B2DRange aDstSize(::basegfx::utils::getRange(rSmall)); + const ::basegfx::B2DPoint aDstPos(aDstSize.getCenter()); + + basegfx::B2DHomMatrix aTrans(basegfx::utils::createTranslateB2DHomMatrix(-aSrcPos.getX(), -aSrcPos.getY())); + aTrans.scale(aDstSize.getWidth() / aSrcSize.getWidth(), aDstSize.getHeight() / aSrcSize.getHeight()); + aTrans.translate(aDstPos.getX(), aDstPos.getY()); + + // transpose points to have smooth linear blending + ::basegfx::B2DPolygon aPoly2; + aPoly2.append(::basegfx::B2DPoint(), nCnt); + sal_uInt32 nInd(ImpGetNearestIndex(aPoly1, aTrans * rBig.getB2DPoint(0))); + + for(sal_uInt32 a(0); a < nCnt; a++) + { + aPoly2.setB2DPoint((a + nCnt - nInd) % nCnt, aPoly1.getB2DPoint(a)); + } + + aPoly2.setClosed(rBig.isClosed()); + rSmall = aPoly2; +} + +sal_uInt32 FuMorph::ImpGetNearestIndex( + const ::basegfx::B2DPolygon& rPoly, + const ::basegfx::B2DPoint& rPos +) +{ + double fMinDist = 0.0; + sal_uInt32 nActInd = 0; + + for(sal_uInt32 a(0); a < rPoly.count(); a++) + { + double fNewDist(::basegfx::B2DVector(rPoly.getB2DPoint(a) - rPos).getLength()); + + if(!a || fNewDist < fMinDist) + { + fMinDist = fNewDist; + nActInd = a; + } + } + + return nActInd; +} + +/** + * add to a point reduced polys until count is same + */ +void FuMorph::ImpAddPolys( + ::basegfx::B2DPolyPolygon& rSmaller, + const ::basegfx::B2DPolyPolygon& rBigger +) +{ + while(rSmaller.count() < rBigger.count()) + { + const ::basegfx::B2DPolygon& aToBeCopied(rBigger.getB2DPolygon(rSmaller.count())); + const ::basegfx::B2DRange aToBeCopiedPolySize(::basegfx::utils::getRange(aToBeCopied)); + ::basegfx::B2DPoint aNewPoint(aToBeCopiedPolySize.getCenter()); + ::basegfx::B2DPolygon aNewPoly; + + const ::basegfx::B2DRange aSrcSize(::basegfx::utils::getRange(rBigger.getB2DPolygon(0))); + const ::basegfx::B2DPoint aSrcPos(aSrcSize.getCenter()); + const ::basegfx::B2DRange aDstSize(::basegfx::utils::getRange(rSmaller.getB2DPolygon(0))); + const ::basegfx::B2DPoint aDstPos(aDstSize.getCenter()); + aNewPoint = aNewPoint - aSrcPos + aDstPos; + + for(sal_uInt32 a(0); a < aToBeCopied.count(); a++) + { + aNewPoly.append(aNewPoint); + } + + rSmaller.append(aNewPoly); + } +} + +/** + * create group object with morphed polygons + */ +void FuMorph::ImpInsertPolygons( + B2DPolyPolygonList_impl& rPolyPolyList3D, + bool bAttributeFade, + const SdrObject* pObj1, + const SdrObject* pObj2 +) +{ + Color aStartFillCol; + Color aEndFillCol; + Color aStartLineCol; + Color aEndLineCol; + ::tools::Long nStartLineWidth = 0; + ::tools::Long nEndLineWidth = 0; + SdrPageView* pPageView = mpView->GetSdrPageView(); + SfxItemPool & rPool = pObj1->GetObjectItemPool(); + SfxItemSetFixed<SDRATTR_START,SDRATTR_NOTPERSIST_FIRST-1,EE_ITEMS_START,EE_ITEMS_END> aSet1( rPool ); + SfxItemSet aSet2( aSet1 ); + bool bLineColor = false; + bool bFillColor = false; + bool bLineWidth = false; + bool bIgnoreLine = false; + bool bIgnoreFill = false; + + aSet1.Put(pObj1->GetMergedItemSet()); + aSet2.Put(pObj2->GetMergedItemSet()); + + const drawing::LineStyle eLineStyle1 = aSet1.Get(XATTR_LINESTYLE).GetValue(); + const drawing::LineStyle eLineStyle2 = aSet2.Get(XATTR_LINESTYLE).GetValue(); + const drawing::FillStyle eFillStyle1 = aSet1.Get(XATTR_FILLSTYLE).GetValue(); + const drawing::FillStyle eFillStyle2 = aSet2.Get(XATTR_FILLSTYLE).GetValue(); + + if ( bAttributeFade ) + { + if ( ( eLineStyle1 != drawing::LineStyle_NONE ) && ( eLineStyle2 != drawing::LineStyle_NONE ) ) + { + bLineWidth = bLineColor = true; + + aStartLineCol = aSet1.Get(XATTR_LINECOLOR).GetColorValue(); + aEndLineCol = aSet2.Get(XATTR_LINECOLOR).GetColorValue(); + + nStartLineWidth = aSet1.Get(XATTR_LINEWIDTH).GetValue(); + nEndLineWidth = aSet2.Get(XATTR_LINEWIDTH).GetValue(); + } + else if ( ( eLineStyle1 == drawing::LineStyle_NONE ) && ( eLineStyle2 == drawing::LineStyle_NONE ) ) + bIgnoreLine = true; + + if ( ( eFillStyle1 == drawing::FillStyle_SOLID ) && ( eFillStyle2 == drawing::FillStyle_SOLID ) ) + { + bFillColor = true; + aStartFillCol = aSet1.Get(XATTR_FILLCOLOR).GetColorValue(); + aEndFillCol = aSet2.Get(XATTR_FILLCOLOR).GetColorValue(); + } + else if ( ( eFillStyle1 == drawing::FillStyle_NONE ) && ( eFillStyle2 == drawing::FillStyle_NONE ) ) + bIgnoreFill = true; + } + + if ( !pPageView ) + return; + + SfxItemSet aSet( aSet1 ); + std::unique_ptr<SdrObjGroup, SdrObjectFreeOp> xObjGroup(new SdrObjGroup(mpView->getSdrModelFromSdrView())); + SdrObjList* pObjList = xObjGroup->GetSubList(); + const size_t nCount = rPolyPolyList3D.size(); + const double fStep = 1. / ( nCount + 1 ); + const double fDelta = nEndLineWidth - nStartLineWidth; + double fFactor = fStep; + + aSet.Put( XLineStyleItem( drawing::LineStyle_SOLID ) ); + aSet.Put( XFillStyleItem( drawing::FillStyle_SOLID ) ); + + for ( size_t i = 0; i < nCount; i++, fFactor += fStep ) + { + const ::basegfx::B2DPolyPolygon& rPolyPoly3D = rPolyPolyList3D[ i ]; + SdrPathObj* pNewObj = new SdrPathObj( + mpView->getSdrModelFromSdrView(), + SdrObjKind::Polygon, + rPolyPoly3D); + + // line color + if ( bLineColor ) + { + const basegfx::BColor aLineColor(basegfx::interpolate(aStartLineCol.getBColor(), aEndLineCol.getBColor(), fFactor)); + aSet.Put( XLineColorItem( "", Color(aLineColor))); + } + else if ( bIgnoreLine ) + aSet.Put( XLineStyleItem( drawing::LineStyle_NONE ) ); + + // fill color + if ( bFillColor ) + { + const basegfx::BColor aFillColor(basegfx::interpolate(aStartFillCol.getBColor(), aEndFillCol.getBColor(), fFactor)); + aSet.Put( XFillColorItem( "", Color(aFillColor))); + } + else if ( bIgnoreFill ) + aSet.Put( XFillStyleItem( drawing::FillStyle_NONE ) ); + + // line width + if ( bLineWidth ) + aSet.Put( XLineWidthItem( nStartLineWidth + static_cast<::tools::Long>( fFactor * fDelta + 0.5 ) ) ); + + pNewObj->SetMergedItemSetAndBroadcast(aSet); + + pObjList->InsertObject( pNewObj ); + } + + if ( nCount ) + { + pObjList->InsertObject( + pObj1->CloneSdrObject(pObj1->getSdrModelFromSdrObject()), + 0 ); + pObjList->InsertObject( + pObj2->CloneSdrObject(pObj2->getSdrModelFromSdrObject()) ); + + mpView->DeleteMarked(); + mpView->InsertObjectAtView(xObjGroup.release(), *pPageView, SdrInsertFlags:: SETDEFLAYER); + } +} + +/** + * create single morphed PolyPolygon + */ +::basegfx::B2DPolyPolygon FuMorph::ImpCreateMorphedPolygon( + const ::basegfx::B2DPolyPolygon& rPolyPolyStart, + const ::basegfx::B2DPolyPolygon& rPolyPolyEnd, + double fMorphingFactor +) +{ + ::basegfx::B2DPolyPolygon aNewPolyPolygon; + const double fFactor = 1.0 - fMorphingFactor; + + for(sal_uInt32 a(0); a < rPolyPolyStart.count(); a++) + { + const ::basegfx::B2DPolygon& aPolyStart(rPolyPolyStart.getB2DPolygon(a)); + const ::basegfx::B2DPolygon& aPolyEnd(rPolyPolyEnd.getB2DPolygon(a)); + const sal_uInt32 nCount(aPolyStart.count()); + ::basegfx::B2DPolygon aNewPolygon; + + for(sal_uInt32 b(0); b < nCount; b++) + { + const ::basegfx::B2DPoint& aPtStart(aPolyStart.getB2DPoint(b)); + const ::basegfx::B2DPoint& aPtEnd(aPolyEnd.getB2DPoint(b)); + aNewPolygon.append(aPtEnd + ((aPtStart - aPtEnd) * fFactor)); + } + + aNewPolygon.setClosed(aPolyStart.isClosed() && aPolyEnd.isClosed()); + aNewPolyPolygon.append(aNewPolygon); + } + + return aNewPolyPolygon; +} + +/** + * create morphed PolyPolygons + */ +void FuMorph::ImpMorphPolygons( + const ::basegfx::B2DPolyPolygon& rPolyPoly1, + const ::basegfx::B2DPolyPolygon& rPolyPoly2, + const sal_uInt16 nSteps, + B2DPolyPolygonList_impl& rPolyPolyList3D +) +{ + if(!nSteps) + return; + + const ::basegfx::B2DRange aStartPolySize(::basegfx::utils::getRange(rPolyPoly1)); + const ::basegfx::B2DPoint aStartCenter(aStartPolySize.getCenter()); + const ::basegfx::B2DRange aEndPolySize(::basegfx::utils::getRange(rPolyPoly2)); + const ::basegfx::B2DPoint aEndCenter(aEndPolySize.getCenter()); + const ::basegfx::B2DPoint aDelta(aEndCenter - aStartCenter); + const double fFactor(1.0 / (nSteps + 1)); + double fValue(0.0); + + for(sal_uInt16 i(0); i < nSteps; i++) + { + fValue += fFactor; + ::basegfx::B2DPolyPolygon aNewPolyPoly2D = ImpCreateMorphedPolygon(rPolyPoly1, rPolyPoly2, fValue); + + const ::basegfx::B2DRange aNewPolySize(::basegfx::utils::getRange(aNewPolyPoly2D)); + const ::basegfx::B2DPoint aNewS(aNewPolySize.getCenter()); + const ::basegfx::B2DPoint aRealS(aStartCenter + (aDelta * fValue)); + const ::basegfx::B2DPoint aDiff(aRealS - aNewS); + + aNewPolyPoly2D.transform(basegfx::utils::createTranslateB2DHomMatrix(aDiff)); + rPolyPolyList3D.push_back( std::move(aNewPolyPoly2D) ); + } +} + +} // end of namespace sd + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |