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