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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "fumorph.hxx"
21 : #include <svx/xfillit.hxx>
22 : #include <svx/xlineit.hxx>
23 : #include <vcl/msgbox.hxx>
24 : #include <svx/svdpool.hxx>
25 : #include <tools/poly.hxx>
26 : #include <svx/svdopath.hxx>
27 : #include <svx/svdogrp.hxx>
28 : #include <editeng/eeitem.hxx>
29 :
30 : #include "View.hxx"
31 : #include "ViewShell.hxx"
32 : #include "Window.hxx"
33 : #include <basegfx/polygon/b2dpolygontools.hxx>
34 : #include <basegfx/polygon/b2dpolypolygontools.hxx>
35 : #include <basegfx/matrix/b2dhommatrix.hxx>
36 : #include <basegfx/matrix/b2dhommatrixtools.hxx>
37 :
38 : #include "strings.hrc"
39 : #include "sdresid.hxx"
40 :
41 : #include "sdabstdlg.hxx"
42 :
43 : // #i48168#
44 : #include <svx/svditer.hxx>
45 :
46 : #include <basegfx/color/bcolor.hxx>
47 :
48 : namespace sd {
49 :
50 : #define ITEMVALUE( ItemSet, Id, Cast ) ( ( (const Cast&) (ItemSet).Get( (Id) ) ).GetValue() )
51 0 : TYPEINIT1( FuMorph, FuPoor );
52 :
53 :
54 0 : FuMorph::FuMorph (
55 : ViewShell* pViewSh,
56 : ::sd::Window* pWin,
57 : ::sd::View* pView,
58 : SdDrawDocument* pDoc,
59 : SfxRequest& rReq )
60 0 : : FuPoor(pViewSh, pWin, pView, pDoc, rReq)
61 : {
62 0 : }
63 :
64 0 : FunctionReference FuMorph::Create(
65 : ViewShell* pViewSh,
66 : ::sd::Window* pWin,
67 : ::sd::View* pView,
68 : SdDrawDocument* pDoc,
69 : SfxRequest& rReq
70 : )
71 : {
72 0 : FunctionReference xFunc( new FuMorph( pViewSh, pWin, pView, pDoc, rReq ) );
73 0 : xFunc->DoExecute(rReq);
74 0 : return xFunc;
75 : }
76 :
77 0 : void FuMorph::DoExecute( SfxRequest& )
78 : {
79 0 : const SdrMarkList& rMarkList = mpView->GetMarkedObjectList();
80 :
81 0 : if(rMarkList.GetMarkCount() == 2)
82 : {
83 : // create clones
84 0 : SdrObject* pObj1 = rMarkList.GetMark(0)->GetMarkedSdrObj();
85 0 : SdrObject* pObj2 = rMarkList.GetMark(1)->GetMarkedSdrObj();
86 0 : SdrObject* pCloneObj1 = pObj1->Clone();
87 0 : SdrObject* pCloneObj2 = pObj2->Clone();
88 :
89 : // delete text at clone, otherwise we do net get a correct PathObj
90 0 : pCloneObj1->SetOutlinerParaObject(NULL);
91 0 : pCloneObj2->SetOutlinerParaObject(NULL);
92 :
93 : // create path objects
94 0 : SdrObject* pPolyObj1 = pCloneObj1->ConvertToPolyObj(sal_False, sal_False);
95 0 : SdrObject* pPolyObj2 = pCloneObj2->ConvertToPolyObj(sal_False, sal_False);
96 0 : SdAbstractDialogFactory* pFact = SdAbstractDialogFactory::Create();
97 0 : AbstractMorphDlg* pDlg = pFact ? pFact->CreateMorphDlg( static_cast< ::Window*>(mpWindow), pObj1, pObj2 ) : 0;
98 0 : if(pPolyObj1 && pPolyObj2 && pDlg && (pDlg->Execute() == RET_OK))
99 : {
100 0 : B2DPolyPolygonList_impl aPolyPolyList;
101 0 : ::basegfx::B2DPolyPolygon aPolyPoly1;
102 0 : ::basegfx::B2DPolyPolygon aPolyPoly2;
103 :
104 0 : pDlg->SaveSettings();
105 :
106 : // #i48168# Not always is the pPolyObj1/pPolyObj2 a SdrPathObj, it may also be a group object
107 : // containing SdrPathObjs. To get the polygons, i add two iters here
108 0 : SdrObjListIter aIter1(*pPolyObj1);
109 0 : SdrObjListIter aIter2(*pPolyObj2);
110 :
111 0 : while(aIter1.IsMore())
112 : {
113 0 : SdrObject* pObj = aIter1.Next();
114 0 : if(pObj && pObj->ISA(SdrPathObj))
115 0 : aPolyPoly1.append(((SdrPathObj*)pObj)->GetPathPoly());
116 : }
117 :
118 0 : while(aIter2.IsMore())
119 : {
120 0 : SdrObject* pObj = aIter2.Next();
121 0 : if(pObj && pObj->ISA(SdrPathObj))
122 0 : aPolyPoly2.append(((SdrPathObj*)pObj)->GetPathPoly());
123 : }
124 :
125 : // perform morphing
126 0 : if(aPolyPoly1.count() && aPolyPoly2.count())
127 : {
128 0 : aPolyPoly1 = ::basegfx::tools::correctOrientations(aPolyPoly1);
129 0 : aPolyPoly1.removeDoublePoints();
130 0 : ::basegfx::B2VectorOrientation eIsClockwise1(::basegfx::tools::getOrientation(aPolyPoly1.getB2DPolygon(0L)));
131 :
132 0 : aPolyPoly2 = ::basegfx::tools::correctOrientations(aPolyPoly2);
133 0 : aPolyPoly2.removeDoublePoints();
134 0 : ::basegfx::B2VectorOrientation eIsClockwise2(::basegfx::tools::getOrientation(aPolyPoly2.getB2DPolygon(0L)));
135 :
136 : // set same orientation
137 0 : if(eIsClockwise1 != eIsClockwise2)
138 0 : aPolyPoly2.flip();
139 :
140 : // force same poly count
141 0 : if(aPolyPoly1.count() < aPolyPoly2.count())
142 0 : ImpAddPolys(aPolyPoly1, aPolyPoly2);
143 0 : else if(aPolyPoly2.count() < aPolyPoly1.count())
144 0 : ImpAddPolys(aPolyPoly2, aPolyPoly1);
145 :
146 : // use orientation flag from dialog
147 0 : if(!pDlg->IsOrientationFade())
148 0 : aPolyPoly2.flip();
149 :
150 : // force same point counts
151 0 : for( sal_uInt32 a(0L); a < aPolyPoly1.count(); a++ )
152 : {
153 0 : ::basegfx::B2DPolygon aSub1(aPolyPoly1.getB2DPolygon(a));
154 0 : ::basegfx::B2DPolygon aSub2(aPolyPoly2.getB2DPolygon(a));
155 :
156 0 : if(aSub1.count() < aSub2.count())
157 0 : ImpEqualizePolyPointCount(aSub1, aSub2);
158 0 : else if(aSub2.count() < aSub1.count())
159 0 : ImpEqualizePolyPointCount(aSub2, aSub1);
160 :
161 0 : aPolyPoly1.setB2DPolygon(a, aSub1);
162 0 : aPolyPoly2.setB2DPolygon(a, aSub2);
163 0 : }
164 :
165 0 : if(ImpMorphPolygons(aPolyPoly1, aPolyPoly2, pDlg->GetFadeSteps(), aPolyPolyList))
166 : {
167 0 : String aString(mpView->GetDescriptionOfMarkedObjects());
168 :
169 0 : aString.Append(sal_Unicode(' '));
170 0 : aString.Append(String(SdResId(STR_UNDO_MORPHING)));
171 :
172 0 : mpView->BegUndo(aString);
173 0 : ImpInsertPolygons(aPolyPolyList, pDlg->IsAttributeFade(), pObj1, pObj2);
174 0 : mpView->EndUndo();
175 : }
176 :
177 0 : for( size_t i = 0, n = aPolyPolyList.size(); i < n; ++i ) {
178 0 : delete aPolyPolyList[ i ];
179 : }
180 0 : }
181 : }
182 0 : delete pDlg;
183 0 : SdrObject::Free( pCloneObj1 );
184 0 : SdrObject::Free( pCloneObj2 );
185 :
186 0 : SdrObject::Free( pPolyObj1 );
187 0 : SdrObject::Free( pPolyObj2 );
188 : }
189 0 : }
190 :
191 0 : ::basegfx::B2DPolygon ImpGetExpandedPolygon(
192 : const ::basegfx::B2DPolygon& rCandidate,
193 : sal_uInt32 nNum
194 : )
195 : {
196 0 : if(rCandidate.count() && nNum && rCandidate.count() != nNum)
197 : {
198 : // length of step in dest poly
199 0 : ::basegfx::B2DPolygon aRetval;
200 0 : const double fStep(::basegfx::tools::getLength(rCandidate) / (double)(rCandidate.isClosed() ? nNum : nNum - 1L));
201 0 : double fDestPos(0.0);
202 0 : double fSrcPos(0.0);
203 0 : sal_uInt32 nSrcPos(0L);
204 0 : sal_uInt32 nSrcPosNext((nSrcPos + 1L == rCandidate.count()) ? 0L : nSrcPos + 1L);
205 0 : double fNextSrcLen(::basegfx::B2DVector(rCandidate.getB2DPoint(nSrcPos) - rCandidate.getB2DPoint(nSrcPosNext)).getLength());
206 :
207 0 : for(sal_uInt32 b(0L); b < nNum; b++)
208 : {
209 : // calc fDestPos in source
210 0 : while(fSrcPos + fNextSrcLen < fDestPos)
211 : {
212 0 : fSrcPos += fNextSrcLen;
213 0 : nSrcPos++;
214 0 : nSrcPosNext = (nSrcPos + 1L == rCandidate.count()) ? 0L : nSrcPos + 1L;
215 0 : fNextSrcLen = ::basegfx::B2DVector(rCandidate.getB2DPoint(nSrcPos) - rCandidate.getB2DPoint(nSrcPosNext)).getLength();
216 : }
217 :
218 : // fDestPos is between fSrcPos and (fSrcPos + fNextSrcLen)
219 0 : const double fLenA((fDestPos - fSrcPos) / fNextSrcLen);
220 0 : const ::basegfx::B2DPoint aOld1(rCandidate.getB2DPoint(nSrcPos));
221 0 : const ::basegfx::B2DPoint aOld2(rCandidate.getB2DPoint(nSrcPosNext));
222 0 : ::basegfx::B2DPoint aNewPoint(basegfx::interpolate(aOld1, aOld2, fLenA));
223 0 : aRetval.append(aNewPoint);
224 :
225 : // next step
226 0 : fDestPos += fStep;
227 0 : }
228 :
229 0 : if(aRetval.count() >= 3L)
230 : {
231 0 : aRetval.setClosed(rCandidate.isClosed());
232 : }
233 :
234 0 : return aRetval;
235 : }
236 : else
237 : {
238 0 : return rCandidate;
239 : }
240 : }
241 :
242 : /**
243 : * make the point count of the polygons equal in adding points
244 : */
245 0 : void FuMorph::ImpEqualizePolyPointCount(
246 : ::basegfx::B2DPolygon& rSmall,
247 : const ::basegfx::B2DPolygon& rBig
248 : )
249 : {
250 : // create poly with equal point count
251 0 : const sal_uInt32 nCnt(rBig.count());
252 0 : ::basegfx::B2DPolygon aPoly1(ImpGetExpandedPolygon(rSmall, nCnt));
253 :
254 : // create transformation for rBig to do the compare
255 0 : const ::basegfx::B2DRange aSrcSize(::basegfx::tools::getRange(rBig));
256 0 : const ::basegfx::B2DPoint aSrcPos(aSrcSize.getCenter());
257 0 : const ::basegfx::B2DRange aDstSize(::basegfx::tools::getRange(rSmall));
258 0 : const ::basegfx::B2DPoint aDstPos(aDstSize.getCenter());
259 :
260 0 : basegfx::B2DHomMatrix aTrans(basegfx::tools::createTranslateB2DHomMatrix(-aSrcPos.getX(), -aSrcPos.getY()));
261 0 : aTrans.scale(aDstSize.getWidth() / aSrcSize.getWidth(), aDstSize.getHeight() / aSrcSize.getHeight());
262 0 : aTrans.translate(aDstPos.getX(), aDstPos.getY());
263 :
264 : // transpose points to have smooth linear blending
265 0 : ::basegfx::B2DPolygon aPoly2;
266 0 : aPoly2.append(::basegfx::B2DPoint(), nCnt);
267 0 : sal_uInt32 nInd(ImpGetNearestIndex(aPoly1, aTrans * rBig.getB2DPoint(0L)));
268 :
269 0 : for(sal_uInt32 a(0L); a < nCnt; a++)
270 : {
271 0 : aPoly2.setB2DPoint((a + nCnt - nInd) % nCnt, aPoly1.getB2DPoint(a));
272 : }
273 :
274 0 : aPoly2.setClosed(rBig.isClosed());
275 0 : rSmall = aPoly2;
276 0 : }
277 :
278 :
279 0 : sal_uInt32 FuMorph::ImpGetNearestIndex(
280 : const ::basegfx::B2DPolygon& rPoly,
281 : const ::basegfx::B2DPoint& rPos
282 : )
283 : {
284 0 : double fMinDist = 0.0;
285 0 : sal_uInt32 nActInd = 0;
286 :
287 0 : for(sal_uInt32 a(0L); a < rPoly.count(); a++)
288 : {
289 0 : double fNewDist(::basegfx::B2DVector(rPoly.getB2DPoint(a) - rPos).getLength());
290 :
291 0 : if(!a || fNewDist < fMinDist)
292 : {
293 0 : fMinDist = fNewDist;
294 0 : nActInd = a;
295 : }
296 : }
297 :
298 0 : return nActInd;
299 : }
300 :
301 : /**
302 : * add to a point reduced polys until count is same
303 : */
304 0 : void FuMorph::ImpAddPolys(
305 : ::basegfx::B2DPolyPolygon& rSmaller,
306 : const ::basegfx::B2DPolyPolygon& rBigger
307 : )
308 : {
309 0 : while(rSmaller.count() < rBigger.count())
310 : {
311 0 : const ::basegfx::B2DPolygon aToBeCopied(rBigger.getB2DPolygon(rSmaller.count()));
312 0 : const ::basegfx::B2DRange aToBeCopiedPolySize(::basegfx::tools::getRange(aToBeCopied));
313 0 : ::basegfx::B2DPoint aNewPoint(aToBeCopiedPolySize.getCenter());
314 0 : ::basegfx::B2DPolygon aNewPoly;
315 :
316 0 : const ::basegfx::B2DRange aSrcSize(::basegfx::tools::getRange(rBigger.getB2DPolygon(0L)));
317 0 : const ::basegfx::B2DPoint aSrcPos(aSrcSize.getCenter());
318 0 : const ::basegfx::B2DRange aDstSize(::basegfx::tools::getRange(rSmaller.getB2DPolygon(0L)));
319 0 : const ::basegfx::B2DPoint aDstPos(aDstSize.getCenter());
320 0 : aNewPoint = aNewPoint - aSrcPos + aDstPos;
321 :
322 0 : for(sal_uInt32 a(0L); a < aToBeCopied.count(); a++)
323 : {
324 0 : aNewPoly.append(aNewPoint);
325 : }
326 :
327 0 : rSmaller.append(aNewPoly);
328 0 : }
329 0 : }
330 :
331 : /**
332 : * create group object with morphed polygons
333 : */
334 0 : void FuMorph::ImpInsertPolygons(
335 : B2DPolyPolygonList_impl& rPolyPolyList3D,
336 : sal_Bool bAttributeFade,
337 : const SdrObject* pObj1,
338 : const SdrObject* pObj2
339 : )
340 : {
341 0 : Color aStartFillCol;
342 0 : Color aEndFillCol;
343 0 : Color aStartLineCol;
344 0 : Color aEndLineCol;
345 0 : long nStartLineWidth = 0;
346 0 : long nEndLineWidth = 0;
347 0 : SdrPageView* pPageView = mpView->GetSdrPageView();
348 0 : SfxItemPool* pPool = pObj1->GetObjectItemPool();
349 0 : SfxItemSet aSet1( *pPool,SDRATTR_START,SDRATTR_NOTPERSIST_FIRST-1,EE_ITEMS_START,EE_ITEMS_END,0 );
350 0 : SfxItemSet aSet2( aSet1 );
351 0 : sal_Bool bLineColor = sal_False;
352 0 : sal_Bool bFillColor = sal_False;
353 0 : sal_Bool bLineWidth = sal_False;
354 0 : sal_Bool bIgnoreLine = sal_False;
355 0 : sal_Bool bIgnoreFill = sal_False;
356 :
357 0 : aSet1.Put(pObj1->GetMergedItemSet());
358 0 : aSet2.Put(pObj2->GetMergedItemSet());
359 :
360 0 : const XLineStyle eLineStyle1 = ITEMVALUE( aSet1, XATTR_LINESTYLE, XLineStyleItem );
361 0 : const XLineStyle eLineStyle2 = ITEMVALUE( aSet2, XATTR_LINESTYLE, XLineStyleItem );
362 0 : const XFillStyle eFillStyle1 = ITEMVALUE( aSet1, XATTR_FILLSTYLE, XFillStyleItem );
363 0 : const XFillStyle eFillStyle2 = ITEMVALUE( aSet2, XATTR_FILLSTYLE, XFillStyleItem );
364 :
365 0 : if ( bAttributeFade )
366 : {
367 0 : if ( ( eLineStyle1 != XLINE_NONE ) && ( eLineStyle2 != XLINE_NONE ) )
368 : {
369 0 : bLineWidth = bLineColor = sal_True;
370 :
371 : aStartLineCol = static_cast< XLineColorItem const & >(
372 0 : aSet1.Get(XATTR_LINECOLOR)).GetColorValue();
373 : aEndLineCol = static_cast< XLineColorItem const & >(
374 0 : aSet2.Get(XATTR_LINECOLOR)).GetColorValue();
375 :
376 0 : nStartLineWidth = ITEMVALUE( aSet1, XATTR_LINEWIDTH, XLineWidthItem );
377 0 : nEndLineWidth = ITEMVALUE( aSet2, XATTR_LINEWIDTH, XLineWidthItem );
378 : }
379 0 : else if ( ( eLineStyle1 == XLINE_NONE ) && ( eLineStyle2 == XLINE_NONE ) )
380 0 : bIgnoreLine = sal_True;
381 :
382 0 : if ( ( eFillStyle1 == XFILL_SOLID ) && ( eFillStyle2 == XFILL_SOLID ) )
383 : {
384 0 : bFillColor = sal_True;
385 : aStartFillCol = static_cast< XFillColorItem const & >(
386 0 : aSet1.Get(XATTR_FILLCOLOR)).GetColorValue();
387 : aEndFillCol = static_cast< XFillColorItem const & >(
388 0 : aSet2.Get(XATTR_FILLCOLOR)).GetColorValue();
389 : }
390 0 : else if ( ( eFillStyle1 == XFILL_NONE ) && ( eFillStyle2 == XFILL_NONE ) )
391 0 : bIgnoreFill = sal_True;
392 : }
393 :
394 0 : if ( pPageView )
395 : {
396 0 : SfxItemSet aSet( aSet1 );
397 0 : SdrObjGroup* pObjGroup = new SdrObjGroup;
398 0 : SdrObjList* pObjList = pObjGroup->GetSubList();
399 0 : const size_t nCount = rPolyPolyList3D.size();
400 0 : const double fStep = 1. / ( nCount + 1 );
401 0 : const double fDelta = nEndLineWidth - nStartLineWidth;
402 0 : double fFactor = fStep;
403 :
404 0 : aSet.Put( XLineStyleItem( XLINE_SOLID ) );
405 0 : aSet.Put( XFillStyleItem( XFILL_SOLID ) );
406 :
407 0 : for ( size_t i = 0; i < nCount; i++, fFactor += fStep )
408 : {
409 0 : const ::basegfx::B2DPolyPolygon& rPolyPoly3D = *rPolyPolyList3D[ i ];
410 0 : SdrPathObj* pNewObj = new SdrPathObj(OBJ_POLY, rPolyPoly3D);
411 :
412 : // line color
413 0 : if ( bLineColor )
414 : {
415 0 : const basegfx::BColor aLineColor(basegfx::interpolate(aStartLineCol.getBColor(), aEndLineCol.getBColor(), fFactor));
416 0 : aSet.Put( XLineColorItem( aEmptyStr, Color(aLineColor)));
417 : }
418 0 : else if ( bIgnoreLine )
419 0 : aSet.Put( XLineStyleItem( XLINE_NONE ) );
420 :
421 : // fill color
422 0 : if ( bFillColor )
423 : {
424 0 : const basegfx::BColor aFillColor(basegfx::interpolate(aStartFillCol.getBColor(), aEndFillCol.getBColor(), fFactor));
425 0 : aSet.Put( XFillColorItem( aEmptyStr, Color(aFillColor)));
426 : }
427 0 : else if ( bIgnoreFill )
428 0 : aSet.Put( XFillStyleItem( XFILL_NONE ) );
429 :
430 : // line width
431 0 : if ( bLineWidth )
432 0 : aSet.Put( XLineWidthItem( nStartLineWidth + (long) ( fFactor * fDelta + 0.5 ) ) );
433 :
434 0 : pNewObj->SetMergedItemSetAndBroadcast(aSet);
435 :
436 0 : pObjList->InsertObject( pNewObj, LIST_APPEND );
437 : }
438 :
439 0 : if ( nCount )
440 : {
441 0 : pObjList->InsertObject( pObj1->Clone(), 0 );
442 0 : pObjList->InsertObject( pObj2->Clone(), LIST_APPEND );
443 0 : mpView->DeleteMarked();
444 0 : mpView->InsertObjectAtView( pObjGroup, *pPageView, SDRINSERT_SETDEFLAYER );
445 0 : }
446 0 : }
447 0 : }
448 :
449 : /**
450 : * create single morphed PolyPolygon
451 : */
452 0 : ::basegfx::B2DPolyPolygon* FuMorph::ImpCreateMorphedPolygon(
453 : const ::basegfx::B2DPolyPolygon& rPolyPolyStart,
454 : const ::basegfx::B2DPolyPolygon& rPolyPolyEnd,
455 : double fMorphingFactor
456 : )
457 : {
458 0 : ::basegfx::B2DPolyPolygon* pNewPolyPolygon = new ::basegfx::B2DPolyPolygon();
459 0 : const double fFactor = 1.0 - fMorphingFactor;
460 :
461 0 : for(sal_uInt32 a(0L); a < rPolyPolyStart.count(); a++)
462 : {
463 0 : const ::basegfx::B2DPolygon aPolyStart(rPolyPolyStart.getB2DPolygon(a));
464 0 : const ::basegfx::B2DPolygon aPolyEnd(rPolyPolyEnd.getB2DPolygon(a));
465 0 : const sal_uInt32 nCount(aPolyStart.count());
466 0 : ::basegfx::B2DPolygon aNewPolygon;
467 :
468 0 : for(sal_uInt32 b(0L); b < nCount; b++)
469 : {
470 0 : const ::basegfx::B2DPoint& aPtStart(aPolyStart.getB2DPoint(b));
471 0 : const ::basegfx::B2DPoint& aPtEnd(aPolyEnd.getB2DPoint(b));
472 0 : aNewPolygon.append(aPtEnd + ((aPtStart - aPtEnd) * fFactor));
473 0 : }
474 :
475 0 : aNewPolygon.setClosed(aPolyStart.isClosed() && aPolyEnd.isClosed());
476 0 : pNewPolyPolygon->append(aNewPolygon);
477 0 : }
478 :
479 0 : return pNewPolyPolygon;
480 : }
481 :
482 : /**
483 : * create morphed PolyPolygons
484 : */
485 0 : sal_Bool FuMorph::ImpMorphPolygons(
486 : const ::basegfx::B2DPolyPolygon& rPolyPoly1,
487 : const ::basegfx::B2DPolyPolygon& rPolyPoly2,
488 : const sal_uInt16 nSteps,
489 : B2DPolyPolygonList_impl& rPolyPolyList3D
490 : )
491 : {
492 0 : if(nSteps)
493 : {
494 0 : const ::basegfx::B2DRange aStartPolySize(::basegfx::tools::getRange(rPolyPoly1));
495 0 : const ::basegfx::B2DPoint aStartCenter(aStartPolySize.getCenter());
496 0 : const ::basegfx::B2DRange aEndPolySize(::basegfx::tools::getRange(rPolyPoly2));
497 0 : const ::basegfx::B2DPoint aEndCenter(aEndPolySize.getCenter());
498 0 : const ::basegfx::B2DPoint aDelta(aEndCenter - aStartCenter);
499 0 : const double fFactor(1.0 / (nSteps + 1));
500 0 : double fValue(0.0);
501 :
502 0 : for(sal_uInt16 i(0); i < nSteps; i++)
503 : {
504 0 : fValue += fFactor;
505 0 : ::basegfx::B2DPolyPolygon* pNewPolyPoly2D = ImpCreateMorphedPolygon(rPolyPoly1, rPolyPoly2, fValue);
506 :
507 0 : const ::basegfx::B2DRange aNewPolySize(::basegfx::tools::getRange(*pNewPolyPoly2D));
508 0 : const ::basegfx::B2DPoint aNewS(aNewPolySize.getCenter());
509 0 : const ::basegfx::B2DPoint aRealS(aStartCenter + (aDelta * fValue));
510 0 : const ::basegfx::B2DPoint aDiff(aRealS - aNewS);
511 :
512 0 : pNewPolyPoly2D->transform(basegfx::tools::createTranslateB2DHomMatrix(aDiff));
513 0 : rPolyPolyList3D.push_back( pNewPolyPoly2D );
514 0 : }
515 : }
516 0 : return sal_True;
517 : }
518 :
519 33 : } // end of namespace sd
520 :
521 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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