office-gobmx/sd/source/ui/func/fumorph.cxx
2010-04-13 12:10:03 +02:00

513 lines
20 KiB
C++

/*************************************************************************
*
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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*
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
//#define _FUMORPH_PRIVATE
#include "fumorph.hxx"
#include <svx/xfillit.hxx>
#include <svx/xlineit.hxx>
#include <vcl/msgbox.hxx>
#include <svx/svdpool.hxx>
#include <tools/poly.hxx>
#include <svx/svdopath.hxx>
#include <svx/svdogrp.hxx>
#include <editeng/eeitem.hxx>
#include "View.hxx"
#include "ViewShell.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"
// #i48168#
#include <svx/svditer.hxx>
#include <basegfx/color/bcolor.hxx>
namespace sd {
#define ITEMVALUE( ItemSet, Id, Cast ) ( ( (const Cast&) (ItemSet).Get( (Id) ) ).GetValue() )
TYPEINIT1( FuMorph, FuPoor );
//////////////////////////////////////////////////////////////////////////////
// constructor
//
FuMorph::FuMorph (
ViewShell* pViewSh,
::sd::Window* pWin,
::sd::View* pView,
SdDrawDocument* pDoc,
SfxRequest& rReq )
: FuPoor(pViewSh, pWin, pView, pDoc, rReq)
{
}
FunctionReference FuMorph::Create( ViewShell* pViewSh, ::sd::Window* pWin, ::sd::View* pView, SdDrawDocument* pDoc, SfxRequest& rReq )
{
FunctionReference 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)
{
// Clones erzeugen
SdrObject* pObj1 = rMarkList.GetMark(0)->GetMarkedSdrObj();
SdrObject* pObj2 = rMarkList.GetMark(1)->GetMarkedSdrObj();
SdrObject* pCloneObj1 = pObj1->Clone();
SdrObject* pCloneObj2 = pObj2->Clone();
// Text am Clone loeschen, da wir sonst kein richtiges PathObj bekommen
pCloneObj1->SetOutlinerParaObject(NULL);
pCloneObj2->SetOutlinerParaObject(NULL);
// Path-Objekte erzeugen
SdrObject* pPolyObj1 = pCloneObj1->ConvertToPolyObj(FALSE, FALSE);
SdrObject* pPolyObj2 = pCloneObj2->ConvertToPolyObj(FALSE, FALSE);
SdAbstractDialogFactory* pFact = SdAbstractDialogFactory::Create();
AbstractMorphDlg* pDlg = pFact ? pFact->CreateMorphDlg( static_cast< ::Window*>(mpWindow), pObj1, pObj2 ) : 0;
if(pPolyObj1 && pPolyObj2 && pDlg && (pDlg->Execute() == RET_OK))
{
List aPolyPolyList;
::basegfx::B2DPolyPolygon aPolyPoly1;
::basegfx::B2DPolyPolygon aPolyPoly2;
::basegfx::B2DPolyPolygon* pPolyPoly;
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(pObj && pObj->ISA(SdrPathObj))
aPolyPoly1.append(((SdrPathObj*)pObj)->GetPathPoly());
}
while(aIter2.IsMore())
{
SdrObject* pObj = aIter2.Next();
if(pObj && pObj->ISA(SdrPathObj))
aPolyPoly2.append(((SdrPathObj*)pObj)->GetPathPoly());
}
// Morphing durchfuehren
if(aPolyPoly1.count() && aPolyPoly2.count())
{
aPolyPoly1 = ::basegfx::tools::correctOrientations(aPolyPoly1);
aPolyPoly1.removeDoublePoints();
::basegfx::B2VectorOrientation eIsClockwise1(::basegfx::tools::getOrientation(aPolyPoly1.getB2DPolygon(0L)));
aPolyPoly2 = ::basegfx::tools::correctOrientations(aPolyPoly2);
aPolyPoly2.removeDoublePoints();
::basegfx::B2VectorOrientation eIsClockwise2(::basegfx::tools::getOrientation(aPolyPoly2.getB2DPolygon(0L)));
// 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(0L); 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);
}
if(ImpMorphPolygons(aPolyPoly1, aPolyPoly2, pDlg->GetFadeSteps(), aPolyPolyList))
{
String aString(mpView->GetDescriptionOfMarkedObjects());
aString.Append(sal_Unicode(' '));
aString.Append(String(SdResId(STR_UNDO_MORPHING)));
mpView->BegUndo(aString);
ImpInsertPolygons(aPolyPolyList, pDlg->IsAttributeFade(), pObj1, pObj2);
mpView->EndUndo();
}
// erzeugte Polygone wieder loeschen
for(pPolyPoly = (::basegfx::B2DPolyPolygon*)aPolyPolyList.First(); pPolyPoly; pPolyPoly = (::basegfx::B2DPolyPolygon *)aPolyPolyList.Next())
{
delete pPolyPoly;
}
}
}
delete pDlg;
SdrObject::Free( pCloneObj1 );
SdrObject::Free( pCloneObj2 );
SdrObject::Free( pPolyObj1 );
SdrObject::Free( pPolyObj2 );
}
}
::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::tools::getLength(rCandidate) / (double)(rCandidate.isClosed() ? nNum : nNum - 1L));
double fDestPos(0.0);
double fSrcPos(0.0);
sal_uInt32 nSrcPos(0L);
sal_uInt32 nSrcPosNext((nSrcPos + 1L == rCandidate.count()) ? 0L : nSrcPos + 1L);
double fNextSrcLen(::basegfx::B2DVector(rCandidate.getB2DPoint(nSrcPos) - rCandidate.getB2DPoint(nSrcPosNext)).getLength());
for(sal_uInt32 b(0L); b < nNum; b++)
{
// calc fDestPos in source
while(fSrcPos + fNextSrcLen < fDestPos)
{
fSrcPos += fNextSrcLen;
nSrcPos++;
nSrcPosNext = (nSrcPos + 1L == rCandidate.count()) ? 0L : nSrcPos + 1L;
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() >= 3L)
{
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::tools::getRange(rBig));
const ::basegfx::B2DPoint aSrcPos(aSrcSize.getCenter());
const ::basegfx::B2DRange aDstSize(::basegfx::tools::getRange(rSmall));
const ::basegfx::B2DPoint aDstPos(aDstSize.getCenter());
basegfx::B2DHomMatrix aTrans(basegfx::tools::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(0L)));
for(sal_uInt32 a(0L); 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(0L); 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::tools::getRange(aToBeCopied));
::basegfx::B2DPoint aNewPoint(aToBeCopiedPolySize.getCenter());
::basegfx::B2DPolygon aNewPoly;
const ::basegfx::B2DRange aSrcSize(::basegfx::tools::getRange(rBigger.getB2DPolygon(0L)));
const ::basegfx::B2DPoint aSrcPos(aSrcSize.getCenter());
const ::basegfx::B2DRange aDstSize(::basegfx::tools::getRange(rSmaller.getB2DPolygon(0L)));
const ::basegfx::B2DPoint aDstPos(aDstSize.getCenter());
aNewPoint = aNewPoint - aSrcPos + aDstPos;
for(sal_uInt32 a(0L); a < aToBeCopied.count(); a++)
{
aNewPoly.append(aNewPoint);
}
rSmaller.append(aNewPoly);
}
}
//////////////////////////////////////////////////////////////////////////////
// create group object with morphed polygons
//
void FuMorph::ImpInsertPolygons(List& rPolyPolyList3D, BOOL bAttributeFade,
const SdrObject* pObj1, const SdrObject* pObj2)
{
Color aStartFillCol;
Color aEndFillCol;
Color aStartLineCol;
Color aEndLineCol;
long nStartLineWidth = 0;
long nEndLineWidth = 0;
SdrPageView* pPageView = mpView->GetSdrPageView();
SfxItemPool* pPool = pObj1->GetObjectItemPool();
SfxItemSet aSet1( *pPool,SDRATTR_START,SDRATTR_NOTPERSIST_FIRST-1,EE_ITEMS_START,EE_ITEMS_END,0 );
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 XLineStyle eLineStyle1 = ITEMVALUE( aSet1, XATTR_LINESTYLE, XLineStyleItem );
const XLineStyle eLineStyle2 = ITEMVALUE( aSet2, XATTR_LINESTYLE, XLineStyleItem );
const XFillStyle eFillStyle1 = ITEMVALUE( aSet1, XATTR_FILLSTYLE, XFillStyleItem );
const XFillStyle eFillStyle2 = ITEMVALUE( aSet2, XATTR_FILLSTYLE, XFillStyleItem );
if ( bAttributeFade )
{
if ( ( eLineStyle1 != XLINE_NONE ) && ( eLineStyle2 != XLINE_NONE ) )
{
bLineWidth = bLineColor = TRUE;
aStartLineCol = static_cast< XLineColorItem const & >(
aSet1.Get(XATTR_LINECOLOR)).GetColorValue();
aEndLineCol = static_cast< XLineColorItem const & >(
aSet2.Get(XATTR_LINECOLOR)).GetColorValue();
nStartLineWidth = ITEMVALUE( aSet1, XATTR_LINEWIDTH, XLineWidthItem );
nEndLineWidth = ITEMVALUE( aSet2, XATTR_LINEWIDTH, XLineWidthItem );
}
else if ( ( eLineStyle1 == XLINE_NONE ) && ( eLineStyle2 == XLINE_NONE ) )
bIgnoreLine = TRUE;
if ( ( eFillStyle1 == XFILL_SOLID ) && ( eFillStyle2 == XFILL_SOLID ) )
{
bFillColor = TRUE;
aStartFillCol = static_cast< XFillColorItem const & >(
aSet1.Get(XATTR_FILLCOLOR)).GetColorValue();
aEndFillCol = static_cast< XFillColorItem const & >(
aSet2.Get(XATTR_FILLCOLOR)).GetColorValue();
}
else if ( ( eFillStyle1 == XFILL_NONE ) && ( eFillStyle2 == XFILL_NONE ) )
bIgnoreFill = TRUE;
}
if ( pPageView )
{
SfxItemSet aSet( aSet1 );
SdrObjGroup* pObjGroup = new SdrObjGroup;
SdrObjList* pObjList = pObjGroup->GetSubList();
const ULONG nCount = rPolyPolyList3D.Count();
const double fStep = 1. / ( nCount + 1 );
const double fDelta = nEndLineWidth - nStartLineWidth;
double fFactor = fStep;
aSet.Put( XLineStyleItem( XLINE_SOLID ) );
aSet.Put( XFillStyleItem( XFILL_SOLID ) );
for ( ULONG i = 0; i < nCount; i++, fFactor += fStep )
{
const ::basegfx::B2DPolyPolygon& rPolyPoly3D = *(::basegfx::B2DPolyPolygon*)rPolyPolyList3D.GetObject(i);
SdrPathObj* pNewObj = new SdrPathObj(OBJ_POLY, rPolyPoly3D);
// Linienfarbe
if ( bLineColor )
{
const basegfx::BColor aLineColor(basegfx::interpolate(aStartLineCol.getBColor(), aEndLineCol.getBColor(), fFactor));
aSet.Put( XLineColorItem( aEmptyStr, Color(aLineColor)));
}
else if ( bIgnoreLine )
aSet.Put( XLineStyleItem( XLINE_NONE ) );
// Fuellfarbe
if ( bFillColor )
{
const basegfx::BColor aFillColor(basegfx::interpolate(aStartFillCol.getBColor(), aEndFillCol.getBColor(), fFactor));
aSet.Put( XFillColorItem( aEmptyStr, Color(aFillColor)));
}
else if ( bIgnoreFill )
aSet.Put( XFillStyleItem( XFILL_NONE ) );
// Linienstaerke
if ( bLineWidth )
aSet.Put( XLineWidthItem( nStartLineWidth + (long) ( fFactor * fDelta + 0.5 ) ) );
pNewObj->SetMergedItemSetAndBroadcast(aSet);
pObjList->InsertObject( pNewObj, LIST_APPEND );
}
if ( nCount )
{
pObjList->InsertObject( pObj1->Clone(), 0 );
pObjList->InsertObject( pObj2->Clone(), LIST_APPEND );
mpView->DeleteMarked();
mpView->InsertObjectAtView( pObjGroup, *pPageView, SDRINSERT_SETDEFLAYER );
}
}
}
//////////////////////////////////////////////////////////////////////////////
// create single morphed PolyPolygon
//
::basegfx::B2DPolyPolygon* FuMorph::ImpCreateMorphedPolygon(
const ::basegfx::B2DPolyPolygon& rPolyPolyStart,
const ::basegfx::B2DPolyPolygon& rPolyPolyEnd,
double fMorphingFactor)
{
::basegfx::B2DPolyPolygon* pNewPolyPolygon = new ::basegfx::B2DPolyPolygon();
const double fFactor = 1.0 - fMorphingFactor;
for(sal_uInt32 a(0L); 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(0L); 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());
pNewPolyPolygon->append(aNewPolygon);
}
return pNewPolyPolygon;
}
//////////////////////////////////////////////////////////////////////////////
// create morphed PolyPolygons
//
sal_Bool FuMorph::ImpMorphPolygons(
const ::basegfx::B2DPolyPolygon& rPolyPoly1,
const ::basegfx::B2DPolyPolygon& rPolyPoly2,
const sal_uInt16 nSteps, List& rPolyPolyList3D)
{
if(nSteps)
{
const ::basegfx::B2DRange aStartPolySize(::basegfx::tools::getRange(rPolyPoly1));
const ::basegfx::B2DPoint aStartCenter(aStartPolySize.getCenter());
const ::basegfx::B2DRange aEndPolySize(::basegfx::tools::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* pNewPolyPoly2D = ImpCreateMorphedPolygon(rPolyPoly1, rPolyPoly2, fValue);
const ::basegfx::B2DRange aNewPolySize(::basegfx::tools::getRange(*pNewPolyPoly2D));
const ::basegfx::B2DPoint aNewS(aNewPolySize.getCenter());
const ::basegfx::B2DPoint aRealS(aStartCenter + (aDelta * fValue));
const ::basegfx::B2DPoint aDiff(aRealS - aNewS);
pNewPolyPoly2D->transform(basegfx::tools::createTranslateB2DHomMatrix(aDiff));
rPolyPolyList3D.Insert(pNewPolyPoly2D, LIST_APPEND);
}
}
return TRUE;
}
} // end of namespace sd