xref: /aoo4110/main/svx/source/svdraw/svdglue.cxx (revision b1cdbd2c)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svx.hxx"
26 #include <tools/debug.hxx>
27 
28 #include <svx/svdglue.hxx>
29 #include <svx/svdobj.hxx>
30 #include <svx/svdtrans.hxx>
31 
32 ////////////////////////////////////////////////////////////////////////////////////////////////////
33 
SetReallyAbsolute(FASTBOOL bOn,const SdrObject & rObj)34 void SdrGluePoint::SetReallyAbsolute(FASTBOOL bOn, const SdrObject& rObj)
35 {
36 	if ( bReallyAbsolute != bOn )
37 	{
38 	   if ( bOn )
39 	   {
40 		   aPos=GetAbsolutePos(rObj);
41 		   bReallyAbsolute=bOn;
42 	   }
43 	   else
44 	   {
45 		   bReallyAbsolute=bOn;
46 		   Point aPt(aPos);
47 		   SetAbsolutePos(aPt,rObj);
48 	   }
49 	}
50 }
51 
GetAbsolutePos(const SdrObject & rObj) const52 Point SdrGluePoint::GetAbsolutePos(const SdrObject& rObj) const
53 {
54 	if (bReallyAbsolute) return aPos;
55 	Rectangle aSnap(rObj.GetSnapRect());
56 	Rectangle aBound(rObj.GetSnapRect());
57 	Point aPt(aPos);
58 
59 	Point aOfs(aSnap.Center());
60 	switch (GetHorzAlign()) {
61 		case SDRHORZALIGN_LEFT  : aOfs.X()=aSnap.Left(); break;
62 		case SDRHORZALIGN_RIGHT : aOfs.X()=aSnap.Right(); break;
63 	}
64 	switch (GetVertAlign()) {
65 		case SDRVERTALIGN_TOP   : aOfs.Y()=aSnap.Top(); break;
66 		case SDRVERTALIGN_BOTTOM: aOfs.Y()=aSnap.Bottom(); break;
67 	}
68 	if (!bNoPercent) {
69 		long nXMul=aSnap.Right()-aSnap.Left();
70 		long nYMul=aSnap.Bottom()-aSnap.Top();
71 		long nXDiv=10000;
72 		long nYDiv=10000;
73 		if (nXMul!=nXDiv) {
74 			aPt.X()*=nXMul;
75 			aPt.X()/=nXDiv;
76 		}
77 		if (nYMul!=nYDiv) {
78 			aPt.Y()*=nYMul;
79 			aPt.Y()/=nYDiv;
80 		}
81 	}
82 	aPt+=aOfs;
83 	// Und nun auf's BoundRect des Objekts begrenzen
84 	if (aPt.X()<aBound.Left  ()) aPt.X()=aBound.Left  ();
85 	if (aPt.X()>aBound.Right ()) aPt.X()=aBound.Right ();
86 	if (aPt.Y()<aBound.Top   ()) aPt.Y()=aBound.Top   ();
87 	if (aPt.Y()>aBound.Bottom()) aPt.Y()=aBound.Bottom();
88 	return aPt;
89 }
90 
SetAbsolutePos(const Point & rNewPos,const SdrObject & rObj)91 void SdrGluePoint::SetAbsolutePos(const Point& rNewPos, const SdrObject& rObj)
92 {
93 	if (bReallyAbsolute) {
94 		aPos=rNewPos;
95 		return;
96 	}
97 	Rectangle aSnap(rObj.GetSnapRect());
98 	Point aPt(rNewPos);
99 
100 	Point aOfs(aSnap.Center());
101 	switch (GetHorzAlign()) {
102 		case SDRHORZALIGN_LEFT  : aOfs.X()=aSnap.Left(); break;
103 		case SDRHORZALIGN_RIGHT : aOfs.X()=aSnap.Right(); break;
104 	}
105 	switch (GetVertAlign()) {
106 		case SDRVERTALIGN_TOP   : aOfs.Y()=aSnap.Top(); break;
107 		case SDRVERTALIGN_BOTTOM: aOfs.Y()=aSnap.Bottom(); break;
108 	}
109 	aPt-=aOfs;
110 	if (!bNoPercent) {
111 		long nXMul=aSnap.Right()-aSnap.Left();
112 		long nYMul=aSnap.Bottom()-aSnap.Top();
113 		if (nXMul==0) nXMul=1;
114 		if (nYMul==0) nYMul=1;
115 		long nXDiv=10000;
116 		long nYDiv=10000;
117 		if (nXMul!=nXDiv) {
118 			aPt.X()*=nXDiv;
119 			aPt.X()/=nXMul;
120 		}
121 		if (nYMul!=nYDiv) {
122 			aPt.Y()*=nYDiv;
123 			aPt.Y()/=nYMul;
124 		}
125 	}
126 	aPos=aPt;
127 }
128 
GetAlignAngle() const129 long SdrGluePoint::GetAlignAngle() const
130 {
131 	switch (nAlign) {
132 		case SDRHORZALIGN_CENTER|SDRVERTALIGN_CENTER: return 0; // Invalid!
133 		case SDRHORZALIGN_RIGHT |SDRVERTALIGN_CENTER: return 0;
134 		case SDRHORZALIGN_RIGHT |SDRVERTALIGN_TOP   : return 4500;
135 		case SDRHORZALIGN_CENTER|SDRVERTALIGN_TOP   : return 9000;
136 		case SDRHORZALIGN_LEFT  |SDRVERTALIGN_TOP   : return 13500;
137 		case SDRHORZALIGN_LEFT  |SDRVERTALIGN_CENTER: return 18000;
138 		case SDRHORZALIGN_LEFT  |SDRVERTALIGN_BOTTOM: return 22500;
139 		case SDRHORZALIGN_CENTER|SDRVERTALIGN_BOTTOM: return 27000;
140 		case SDRHORZALIGN_RIGHT |SDRVERTALIGN_BOTTOM: return 31500;
141 	} // switch
142 	return 0;
143 }
144 
SetAlignAngle(long nWink)145 void SdrGluePoint::SetAlignAngle(long nWink)
146 {
147 	nWink=NormAngle360(nWink);
148 	if (nWink>=33750 || nWink<2250) nAlign=SDRHORZALIGN_RIGHT |SDRVERTALIGN_CENTER;
149 	else if (nWink< 6750) nAlign=SDRHORZALIGN_RIGHT |SDRVERTALIGN_TOP   ;
150 	else if (nWink<11250) nAlign=SDRHORZALIGN_CENTER|SDRVERTALIGN_TOP   ;
151 	else if (nWink<15750) nAlign=SDRHORZALIGN_LEFT  |SDRVERTALIGN_TOP   ;
152 	else if (nWink<20250) nAlign=SDRHORZALIGN_LEFT  |SDRVERTALIGN_CENTER;
153 	else if (nWink<24750) nAlign=SDRHORZALIGN_LEFT  |SDRVERTALIGN_BOTTOM;
154 	else if (nWink<29250) nAlign=SDRHORZALIGN_CENTER|SDRVERTALIGN_BOTTOM;
155 	else if (nWink<33750) nAlign=SDRHORZALIGN_RIGHT |SDRVERTALIGN_BOTTOM;
156 }
157 
EscDirToAngle(sal_uInt16 nEsc) const158 long SdrGluePoint::EscDirToAngle(sal_uInt16 nEsc) const
159 {
160 	switch (nEsc) {
161 		case SDRESC_RIGHT : return 0;
162 		case SDRESC_TOP   : return 9000;
163 		case SDRESC_LEFT  : return 18000;
164 		case SDRESC_BOTTOM: return 27000;
165 	} // switch
166 	return 0;
167 }
168 
EscAngleToDir(long nWink) const169 sal_uInt16 SdrGluePoint::EscAngleToDir(long nWink) const
170 {
171 	nWink=NormAngle360(nWink);
172 	if (nWink>=31500 || nWink<4500) return SDRESC_RIGHT;
173 	if (nWink<13500) return SDRESC_TOP;
174 	if (nWink<22500) return SDRESC_LEFT;
175 	if (nWink<31500) return SDRESC_BOTTOM;
176 	return 0;
177 }
178 
Rotate(const Point & rRef,long nWink,double sn,double cs,const SdrObject * pObj)179 void SdrGluePoint::Rotate(const Point& rRef, long nWink, double sn, double cs, const SdrObject* pObj)
180 {
181 	Point aPt(pObj!=NULL ? GetAbsolutePos(*pObj) : GetPos());
182 	RotatePoint(aPt,rRef,sn,cs);
183 	// Bezugskante drehen
184 	if(nAlign != (SDRHORZALIGN_CENTER|SDRVERTALIGN_CENTER))
185 	{
186 		SetAlignAngle(GetAlignAngle()+nWink);
187 	}
188 	// Austrittsrichtungen drehen
189 	sal_uInt16 nEscDir0=nEscDir;
190 	sal_uInt16 nEscDir1=0;
191 	if ((nEscDir0&SDRESC_LEFT  )!=0) nEscDir1|=EscAngleToDir(EscDirToAngle(SDRESC_LEFT  )+nWink);
192 	if ((nEscDir0&SDRESC_TOP   )!=0) nEscDir1|=EscAngleToDir(EscDirToAngle(SDRESC_TOP   )+nWink);
193 	if ((nEscDir0&SDRESC_RIGHT )!=0) nEscDir1|=EscAngleToDir(EscDirToAngle(SDRESC_RIGHT )+nWink);
194 	if ((nEscDir0&SDRESC_BOTTOM)!=0) nEscDir1|=EscAngleToDir(EscDirToAngle(SDRESC_BOTTOM)+nWink);
195 	nEscDir=nEscDir1;
196 	if (pObj!=NULL) SetAbsolutePos(aPt,*pObj); else SetPos(aPt);
197 }
198 
Mirror(const Point & rRef1,const Point & rRef2,const SdrObject * pObj)199 void SdrGluePoint::Mirror(const Point& rRef1, const Point& rRef2, const SdrObject* pObj)
200 {
201 	Point aPt(rRef2); aPt-=rRef1;
202 	long nWink=GetAngle(aPt);
203 	Mirror(rRef1,rRef2,nWink,pObj);
204 }
205 
Mirror(const Point & rRef1,const Point & rRef2,long nWink,const SdrObject * pObj)206 void SdrGluePoint::Mirror(const Point& rRef1, const Point& rRef2, long nWink, const SdrObject* pObj)
207 {
208 	Point aPt(pObj!=NULL ? GetAbsolutePos(*pObj) : GetPos());
209 	MirrorPoint(aPt,rRef1,rRef2);
210 	// Bezugskante spiegeln
211 	if(nAlign != (SDRHORZALIGN_CENTER|SDRVERTALIGN_CENTER))
212 	{
213 		long nAW=GetAlignAngle();
214 		nAW+=2*(nWink-nAW);
215 		SetAlignAngle(nAW);
216 	}
217 	// Austrittsrichtungen spiegeln
218 	sal_uInt16 nEscDir0=nEscDir;
219 	sal_uInt16 nEscDir1=0;
220 	if ((nEscDir0&SDRESC_LEFT)!=0) {
221 		long nEW=EscDirToAngle(SDRESC_LEFT);
222 		nEW+=2*(nWink-nEW);
223 		nEscDir1|=EscAngleToDir(nEW);
224 	}
225 	if ((nEscDir0&SDRESC_TOP)!=0) {
226 		long nEW=EscDirToAngle(SDRESC_TOP);
227 		nEW+=2*(nWink-nEW);
228 		nEscDir1|=EscAngleToDir(nEW);
229 	}
230 	if ((nEscDir0&SDRESC_RIGHT)!=0) {
231 		long nEW=EscDirToAngle(SDRESC_RIGHT);
232 		nEW+=2*(nWink-nEW);
233 		nEscDir1|=EscAngleToDir(nEW);
234 	}
235 	if ((nEscDir0&SDRESC_BOTTOM)!=0) {
236 		long nEW=EscDirToAngle(SDRESC_BOTTOM);
237 		nEW+=2*(nWink-nEW);
238 		nEscDir1|=EscAngleToDir(nEW);
239 	}
240 	nEscDir=nEscDir1;
241 	if (pObj!=NULL) SetAbsolutePos(aPt,*pObj); else SetPos(aPt);
242 }
243 
Shear(const Point & rRef,long,double tn,FASTBOOL bVShear,const SdrObject * pObj)244 void SdrGluePoint::Shear(const Point& rRef, long /*nWink*/, double tn, FASTBOOL bVShear, const SdrObject* pObj)
245 {
246 	Point aPt(pObj!=NULL ? GetAbsolutePos(*pObj) : GetPos());
247 	ShearPoint(aPt,rRef,tn,bVShear);
248 	if (pObj!=NULL) SetAbsolutePos(aPt,*pObj); else SetPos(aPt);
249 }
250 
Draw(OutputDevice & rOut,const SdrObject * pObj) const251 void SdrGluePoint::Draw(OutputDevice& rOut, const SdrObject* pObj) const
252 {
253 	Color aBackPenColor(COL_WHITE);
254 	Color aForePenColor(COL_LIGHTBLUE);
255 
256 	bool bMapMerk=rOut.IsMapModeEnabled();
257 	Point aPt(pObj!=NULL ? GetAbsolutePos(*pObj) : GetPos());
258 	aPt=rOut.LogicToPixel(aPt);
259 	rOut.EnableMapMode(sal_False);
260 	long x=aPt.X(),y=aPt.Y(); // Groesse erstmal fest auf 7 Pixel
261 
262 	rOut.SetLineColor( aBackPenColor );
263 	rOut.DrawLine(Point(x-2,y-3),Point(x+3,y+2));
264 	rOut.DrawLine(Point(x-3,y-2),Point(x+2,y+3));
265 	rOut.DrawLine(Point(x-3,y+2),Point(x+2,y-3));
266 	rOut.DrawLine(Point(x-2,y+3),Point(x+3,y-2));
267 
268 	if (bNoPercent)
269 	{
270 		switch (GetHorzAlign())
271 		{
272 			case SDRHORZALIGN_LEFT  : rOut.DrawLine(Point(x-3,y-1),Point(x-3,y+1)); break;
273 			case SDRHORZALIGN_RIGHT : rOut.DrawLine(Point(x+3,y-1),Point(x+3,y+1)); break;
274 		}
275 
276 		switch (GetVertAlign())
277 		{
278 			case SDRVERTALIGN_TOP   : rOut.DrawLine(Point(x-1,y-3),Point(x+1,y-3)); break;
279 			case SDRVERTALIGN_BOTTOM: rOut.DrawLine(Point(x-1,y+3),Point(x+1,y+3)); break;
280 		}
281 	}
282 
283 	rOut.SetLineColor( aForePenColor );
284 	rOut.DrawLine(Point(x-2,y-2),Point(x+2,y+2));
285 	rOut.DrawLine(Point(x-2,y+2),Point(x+2,y-2));
286 	rOut.EnableMapMode(bMapMerk);
287 }
288 
Invalidate(Window & rWin,const SdrObject * pObj) const289 void SdrGluePoint::Invalidate(Window& rWin, const SdrObject* pObj) const
290 {
291 	bool bMapMerk=rWin.IsMapModeEnabled();
292 	Point aPt(pObj!=NULL ? GetAbsolutePos(*pObj) : GetPos());
293 	aPt=rWin.LogicToPixel(aPt);
294 	rWin.EnableMapMode(sal_False);
295 	long x=aPt.X(),y=aPt.Y(); // Groesse erstmal fest auf 7 Pixel
296 
297 	// #111096#
298 	// do not erase background, that causes flicker (!)
299 	rWin.Invalidate(Rectangle(Point(x-3,y-3),Point(x+3,y+3)), INVALIDATE_NOERASE);
300 
301 	rWin.EnableMapMode(bMapMerk);
302 }
303 
IsHit(const Point & rPnt,const OutputDevice & rOut,const SdrObject * pObj) const304 FASTBOOL SdrGluePoint::IsHit(const Point& rPnt, const OutputDevice& rOut, const SdrObject* pObj) const
305 {
306 	Point aPt(pObj!=NULL ? GetAbsolutePos(*pObj) : GetPos());
307 	Size aSiz=rOut.PixelToLogic(Size(3,3));
308 	Rectangle aRect(aPt.X()-aSiz.Width(),aPt.Y()-aSiz.Height(),aPt.X()+aSiz.Width(),aPt.Y()+aSiz.Height());
309 	return aRect.IsInside(rPnt);
310 }
311 
312 ////////////////////////////////////////////////////////////////////////////////////////////////////
313 
Clear()314 void SdrGluePointList::Clear()
315 {
316 	sal_uInt16 nAnz=GetCount();
317 	for (sal_uInt16 i=0; i<nAnz; i++) {
318 		delete GetObject(i);
319 	}
320 	aList.Clear();
321 }
322 
operator =(const SdrGluePointList & rSrcList)323 void SdrGluePointList::operator=(const SdrGluePointList& rSrcList)
324 {
325 	if (GetCount()!=0) Clear();
326 	sal_uInt16 nAnz=rSrcList.GetCount();
327 	for (sal_uInt16 i=0; i<nAnz; i++) {
328 		Insert(rSrcList[i]);
329 	}
330 }
331 
332 // Die Id's der Klebepunkte in der Liste sind stets streng monoton steigend!
333 // Ggf. wird dem neuen Klebepunkt eine neue Id zugewiesen (wenn diese bereits
334 // vergeben ist). Die Id 0 ist reserviert.
Insert(const SdrGluePoint & rGP)335 sal_uInt16 SdrGluePointList::Insert(const SdrGluePoint& rGP)
336 {
337 	SdrGluePoint* pGP=new SdrGluePoint(rGP);
338 	sal_uInt16 nId=pGP->GetId();
339 	sal_uInt16 nAnz=GetCount();
340 	sal_uInt16 nInsPos=nAnz;
341 	sal_uInt16 nLastId=nAnz!=0 ? GetObject(nAnz-1)->GetId() : 0;
342 	DBG_ASSERT(nLastId>=nAnz,"SdrGluePointList::Insert(): nLastId<nAnz");
343 	FASTBOOL bHole=nLastId>nAnz;
344 	if (nId<=nLastId) {
345 		if (!bHole || nId==0) {
346 			nId=nLastId+1;
347 		} else {
348 			FASTBOOL bBrk=sal_False;
349 			for (sal_uInt16 nNum=0; nNum<nAnz && !bBrk; nNum++) {
350 				const SdrGluePoint* pGP2=GetObject(nNum);
351 				sal_uInt16 nTmpId=pGP2->GetId();
352 				if (nTmpId==nId) {
353 					nId=nLastId+1; // bereits vorhanden
354 					bBrk=sal_True;
355 				}
356 				if (nTmpId>nId) {
357 					nInsPos=nNum; // Hier einfuegen (einsortieren)
358 					bBrk=sal_True;
359 				}
360 			}
361 		}
362 		pGP->SetId(nId);
363 	}
364 	aList.Insert(pGP,nInsPos);
365 	return nInsPos;
366 }
367 
Invalidate(Window & rWin,const SdrObject * pObj) const368 void SdrGluePointList::Invalidate(Window& rWin, const SdrObject* pObj) const
369 {
370 	sal_uInt16 nAnz=GetCount();
371 	for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
372 		GetObject(nNum)->Invalidate(rWin,pObj);
373 	}
374 }
375 
FindGluePoint(sal_uInt16 nId) const376 sal_uInt16 SdrGluePointList::FindGluePoint(sal_uInt16 nId) const
377 {
378 	// Hier noch einen optimaleren Suchalgorithmus implementieren.
379 	// Die Liste sollte stets sortiert sein!!!!
380 	sal_uInt16 nAnz=GetCount();
381 	sal_uInt16 nRet=SDRGLUEPOINT_NOTFOUND;
382 	for (sal_uInt16 nNum=0; nNum<nAnz && nRet==SDRGLUEPOINT_NOTFOUND; nNum++) {
383 		const SdrGluePoint* pGP=GetObject(nNum);
384 		if (pGP->GetId()==nId) nRet=nNum;
385 	}
386 	return nRet;
387 }
388 
HitTest(const Point & rPnt,const OutputDevice & rOut,const SdrObject * pObj,FASTBOOL bBack,FASTBOOL bNext,sal_uInt16 nId0) const389 sal_uInt16 SdrGluePointList::HitTest(const Point& rPnt, const OutputDevice& rOut, const SdrObject* pObj, FASTBOOL bBack, FASTBOOL bNext, sal_uInt16 nId0) const
390 {
391 	sal_uInt16 nAnz=GetCount();
392 	sal_uInt16 nRet=SDRGLUEPOINT_NOTFOUND;
393 	sal_uInt16 nNum=bBack ? 0 : nAnz;
394 	while ((bBack ? nNum<nAnz : nNum>0) && nRet==SDRGLUEPOINT_NOTFOUND) {
395 		if (!bBack) nNum--;
396 		const SdrGluePoint* pGP=GetObject(nNum);
397 		if (bNext) {
398 			if (pGP->GetId()==nId0) bNext=sal_False;
399 		} else {
400 			if (pGP->IsHit(rPnt,rOut,pObj)) nRet=nNum;
401 		}
402 		if (bBack) nNum++;
403 	}
404 	return nRet;
405 }
406 
SetReallyAbsolute(FASTBOOL bOn,const SdrObject & rObj)407 void SdrGluePointList::SetReallyAbsolute(FASTBOOL bOn, const SdrObject& rObj)
408 {
409 	sal_uInt16 nAnz=GetCount();
410 	for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
411 		GetObject(nNum)->SetReallyAbsolute(bOn,rObj);
412 	}
413 }
414 
Rotate(const Point & rRef,long nWink,double sn,double cs,const SdrObject * pObj)415 void SdrGluePointList::Rotate(const Point& rRef, long nWink, double sn, double cs, const SdrObject* pObj)
416 {
417 	sal_uInt16 nAnz=GetCount();
418 	for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
419 		GetObject(nNum)->Rotate(rRef,nWink,sn,cs,pObj);
420 	}
421 }
422 
Mirror(const Point & rRef1,const Point & rRef2,const SdrObject * pObj)423 void SdrGluePointList::Mirror(const Point& rRef1, const Point& rRef2, const SdrObject* pObj)
424 {
425 	Point aPt(rRef2); aPt-=rRef1;
426 	long nWink=GetAngle(aPt);
427 	Mirror(rRef1,rRef2,nWink,pObj);
428 }
429 
Mirror(const Point & rRef1,const Point & rRef2,long nWink,const SdrObject * pObj)430 void SdrGluePointList::Mirror(const Point& rRef1, const Point& rRef2, long nWink, const SdrObject* pObj)
431 {
432 	sal_uInt16 nAnz=GetCount();
433 	for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
434 		GetObject(nNum)->Mirror(rRef1,rRef2,nWink,pObj);
435 	}
436 }
437 
Shear(const Point & rRef,long nWink,double tn,FASTBOOL bVShear,const SdrObject * pObj)438 void SdrGluePointList::Shear(const Point& rRef, long nWink, double tn, FASTBOOL bVShear, const SdrObject* pObj)
439 {
440 	sal_uInt16 nAnz=GetCount();
441 	for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
442 		GetObject(nNum)->Shear(rRef,nWink,tn,bVShear,pObj);
443 	}
444 }
445 
446 // eof
447