xref: /trunk/main/svx/source/svdraw/svdglue.cxx (revision 5f551de635bbe4c47e985520a47471cf8e391c88)
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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 void SdrGluePoint::SetReallyAbsolute(FASTBOOL bOn, const SdrObject& rObj)
34 {
35     if ( bReallyAbsolute != bOn )
36     {
37         if ( bOn )
38         {
39             aPos=GetAbsolutePos(rObj);
40             bReallyAbsolute=bOn;
41         }
42         else
43         {
44             bReallyAbsolute=bOn;
45             Point aPt(aPos);
46             SetAbsolutePos(aPt,rObj);
47         }
48     }
49 }
50 
51 Point SdrGluePoint::GetAbsolutePos(const SdrObject& rObj) const
52 {
53     if (bReallyAbsolute) return aPos;
54     Rectangle aSnap(rObj.GetSnapRect());
55     Rectangle aBound(rObj.GetSnapRect());
56     Point aPt(aPos);
57 
58     Point aOfs(aSnap.Center());
59     switch (GetHorzAlign()) {
60         case SDRHORZALIGN_LEFT  : aOfs.X()=aSnap.Left(); break;
61         case SDRHORZALIGN_RIGHT : aOfs.X()=aSnap.Right(); break;
62     }
63     switch (GetVertAlign()) {
64         case SDRVERTALIGN_TOP   : aOfs.Y()=aSnap.Top(); break;
65         case SDRVERTALIGN_BOTTOM: aOfs.Y()=aSnap.Bottom(); break;
66     }
67     if (!bNoPercent) {
68         long nXMul=aSnap.Right()-aSnap.Left();
69         long nYMul=aSnap.Bottom()-aSnap.Top();
70         long nXDiv=10000;
71         long nYDiv=10000;
72         if (nXMul!=nXDiv) {
73             aPt.X()*=nXMul;
74             aPt.X()/=nXDiv;
75         }
76         if (nYMul!=nYDiv) {
77             aPt.Y()*=nYMul;
78             aPt.Y()/=nYDiv;
79         }
80     }
81     aPt+=aOfs;
82     // Und nun auf's BoundRect des Objekts begrenzen
83     if (aPt.X()<aBound.Left  ()) aPt.X()=aBound.Left  ();
84     if (aPt.X()>aBound.Right ()) aPt.X()=aBound.Right ();
85     if (aPt.Y()<aBound.Top   ()) aPt.Y()=aBound.Top   ();
86     if (aPt.Y()>aBound.Bottom()) aPt.Y()=aBound.Bottom();
87     return aPt;
88 }
89 
90 void SdrGluePoint::SetAbsolutePos(const Point& rNewPos, const SdrObject& rObj)
91 {
92     if (bReallyAbsolute) {
93         aPos=rNewPos;
94         return;
95     }
96     Rectangle aSnap(rObj.GetSnapRect());
97     Point aPt(rNewPos);
98 
99     Point aOfs(aSnap.Center());
100     switch (GetHorzAlign()) {
101         case SDRHORZALIGN_LEFT  : aOfs.X()=aSnap.Left(); break;
102         case SDRHORZALIGN_RIGHT : aOfs.X()=aSnap.Right(); break;
103     }
104     switch (GetVertAlign()) {
105         case SDRVERTALIGN_TOP   : aOfs.Y()=aSnap.Top(); break;
106         case SDRVERTALIGN_BOTTOM: aOfs.Y()=aSnap.Bottom(); break;
107     }
108     aPt-=aOfs;
109     if (!bNoPercent) {
110         long nXMul=aSnap.Right()-aSnap.Left();
111         long nYMul=aSnap.Bottom()-aSnap.Top();
112         if (nXMul==0) nXMul=1;
113         if (nYMul==0) nYMul=1;
114         long nXDiv=10000;
115         long nYDiv=10000;
116         if (nXMul!=nXDiv) {
117             aPt.X()*=nXDiv;
118             aPt.X()/=nXMul;
119         }
120         if (nYMul!=nYDiv) {
121             aPt.Y()*=nYDiv;
122             aPt.Y()/=nYMul;
123         }
124     }
125     aPos=aPt;
126 }
127 
128 long SdrGluePoint::GetAlignAngle() const
129 {
130     switch (nAlign) {
131         case SDRHORZALIGN_CENTER|SDRVERTALIGN_CENTER: return 0; // Invalid!
132         case SDRHORZALIGN_RIGHT |SDRVERTALIGN_CENTER: return 0;
133         case SDRHORZALIGN_RIGHT |SDRVERTALIGN_TOP   : return 4500;
134         case SDRHORZALIGN_CENTER|SDRVERTALIGN_TOP   : return 9000;
135         case SDRHORZALIGN_LEFT  |SDRVERTALIGN_TOP   : return 13500;
136         case SDRHORZALIGN_LEFT  |SDRVERTALIGN_CENTER: return 18000;
137         case SDRHORZALIGN_LEFT  |SDRVERTALIGN_BOTTOM: return 22500;
138         case SDRHORZALIGN_CENTER|SDRVERTALIGN_BOTTOM: return 27000;
139         case SDRHORZALIGN_RIGHT |SDRVERTALIGN_BOTTOM: return 31500;
140     } // switch
141     return 0;
142 }
143 
144 void SdrGluePoint::SetAlignAngle(long nWink)
145 {
146     nWink=NormAngle360(nWink);
147     if (nWink>=33750 || nWink<2250) nAlign=SDRHORZALIGN_RIGHT |SDRVERTALIGN_CENTER;
148     else if (nWink< 6750) nAlign=SDRHORZALIGN_RIGHT |SDRVERTALIGN_TOP   ;
149     else if (nWink<11250) nAlign=SDRHORZALIGN_CENTER|SDRVERTALIGN_TOP   ;
150     else if (nWink<15750) nAlign=SDRHORZALIGN_LEFT  |SDRVERTALIGN_TOP   ;
151     else if (nWink<20250) nAlign=SDRHORZALIGN_LEFT  |SDRVERTALIGN_CENTER;
152     else if (nWink<24750) nAlign=SDRHORZALIGN_LEFT  |SDRVERTALIGN_BOTTOM;
153     else if (nWink<29250) nAlign=SDRHORZALIGN_CENTER|SDRVERTALIGN_BOTTOM;
154     else if (nWink<33750) nAlign=SDRHORZALIGN_RIGHT |SDRVERTALIGN_BOTTOM;
155 }
156 
157 long SdrGluePoint::EscDirToAngle(sal_uInt16 nEsc) const
158 {
159     switch (nEsc) {
160         case SDRESC_RIGHT : return 0;
161         case SDRESC_TOP   : return 9000;
162         case SDRESC_LEFT  : return 18000;
163         case SDRESC_BOTTOM: return 27000;
164     } // switch
165     return 0;
166 }
167 
168 sal_uInt16 SdrGluePoint::EscAngleToDir(long nWink) const
169 {
170     nWink=NormAngle360(nWink);
171     if (nWink>=31500 || nWink<4500) return SDRESC_RIGHT;
172     if (nWink<13500) return SDRESC_TOP;
173     if (nWink<22500) return SDRESC_LEFT;
174     if (nWink<31500) return SDRESC_BOTTOM;
175     return 0;
176 }
177 
178 void SdrGluePoint::Rotate(const Point& rRef, long nWink, double sn, double cs, const SdrObject* pObj)
179 {
180     Point aPt(pObj!=NULL ? GetAbsolutePos(*pObj) : GetPos());
181     RotatePoint(aPt,rRef,sn,cs);
182     // Bezugskante drehen
183     if(nAlign != (SDRHORZALIGN_CENTER|SDRVERTALIGN_CENTER))
184     {
185         SetAlignAngle(GetAlignAngle()+nWink);
186     }
187     // rotate escape directions
188     sal_uInt16 nEscDir0=nEscDir;
189     sal_uInt16 nEscDir1=0;
190     if ((nEscDir0&SDRESC_LEFT  )!=0) nEscDir1|=EscAngleToDir(EscDirToAngle(SDRESC_LEFT  )+nWink);
191     if ((nEscDir0&SDRESC_TOP   )!=0) nEscDir1|=EscAngleToDir(EscDirToAngle(SDRESC_TOP   )+nWink);
192     if ((nEscDir0&SDRESC_RIGHT )!=0) nEscDir1|=EscAngleToDir(EscDirToAngle(SDRESC_RIGHT )+nWink);
193     if ((nEscDir0&SDRESC_BOTTOM)!=0) nEscDir1|=EscAngleToDir(EscDirToAngle(SDRESC_BOTTOM)+nWink);
194     nEscDir=nEscDir1;
195     if (pObj!=NULL) SetAbsolutePos(aPt,*pObj); else SetPos(aPt);
196 }
197 
198 void SdrGluePoint::Mirror(const Point& rRef1, const Point& rRef2, const SdrObject* pObj)
199 {
200     Point aPt(rRef2); aPt-=rRef1;
201     long nWink=GetAngle(aPt);
202     Mirror(rRef1,rRef2,nWink,pObj);
203 }
204 
205 void SdrGluePoint::Mirror(const Point& rRef1, const Point& rRef2, long nWink, const SdrObject* pObj)
206 {
207     Point aPt(pObj!=NULL ? GetAbsolutePos(*pObj) : GetPos());
208     MirrorPoint(aPt,rRef1,rRef2);
209     // Bezugskante spiegeln
210     if(nAlign != (SDRHORZALIGN_CENTER|SDRVERTALIGN_CENTER))
211     {
212         long nAW=GetAlignAngle();
213         nAW+=2*(nWink-nAW);
214         SetAlignAngle(nAW);
215     }
216     // mirror escape directions
217     sal_uInt16 nEscDir0=nEscDir;
218     sal_uInt16 nEscDir1=0;
219     if ((nEscDir0&SDRESC_LEFT)!=0) {
220         long nEW=EscDirToAngle(SDRESC_LEFT);
221         nEW+=2*(nWink-nEW);
222         nEscDir1|=EscAngleToDir(nEW);
223     }
224     if ((nEscDir0&SDRESC_TOP)!=0) {
225         long nEW=EscDirToAngle(SDRESC_TOP);
226         nEW+=2*(nWink-nEW);
227         nEscDir1|=EscAngleToDir(nEW);
228     }
229     if ((nEscDir0&SDRESC_RIGHT)!=0) {
230         long nEW=EscDirToAngle(SDRESC_RIGHT);
231         nEW+=2*(nWink-nEW);
232         nEscDir1|=EscAngleToDir(nEW);
233     }
234     if ((nEscDir0&SDRESC_BOTTOM)!=0) {
235         long nEW=EscDirToAngle(SDRESC_BOTTOM);
236         nEW+=2*(nWink-nEW);
237         nEscDir1|=EscAngleToDir(nEW);
238     }
239     nEscDir=nEscDir1;
240     if (pObj!=NULL) SetAbsolutePos(aPt,*pObj); else SetPos(aPt);
241 }
242 
243 void SdrGluePoint::Shear(const Point& rRef, long /*nWink*/, double tn, FASTBOOL bVShear, const SdrObject* pObj)
244 {
245     Point aPt(pObj!=NULL ? GetAbsolutePos(*pObj) : GetPos());
246     ShearPoint(aPt,rRef,tn,bVShear);
247     if (pObj!=NULL) SetAbsolutePos(aPt,*pObj); else SetPos(aPt);
248 }
249 
250 // Unused code?!
251 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 
289 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(); // size 9x9 pixel
296 
297     // #111096#
298     // do not erase background, that causes flicker (!)
299     rWin.Invalidate(Rectangle(Point(x-4,y-4),Point(x+4,y+4)), INVALIDATE_NOERASE);
300 
301     rWin.EnableMapMode(bMapMerk);
302 }
303 
304 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(4,4));
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 void SdrGluePointList::Clear()
314 {
315     sal_uInt16 nAnz=GetCount();
316     for (sal_uInt16 i=0; i<nAnz; i++) {
317         delete GetObject(i);
318     }
319     aList.Clear();
320 }
321 
322 void SdrGluePointList::operator=(const SdrGluePointList& rSrcList)
323 {
324     if (GetCount()!=0) Clear();
325     sal_uInt16 nAnz=rSrcList.GetCount();
326     for (sal_uInt16 i=0; i<nAnz; i++) {
327         Insert(rSrcList[i]);
328     }
329 }
330 
331 // Die Id's der Klebepunkte in der Liste sind stets streng monoton steigend!
332 // Ggf. wird dem neuen Klebepunkt eine neue Id zugewiesen (wenn diese bereits
333 // vergeben ist). Die Id 0 ist reserviert.
334 sal_uInt16 SdrGluePointList::Insert(const SdrGluePoint& rGP)
335 {
336     SdrGluePoint* pGP=new SdrGluePoint(rGP);
337     sal_uInt16 nId=pGP->GetId();
338     sal_uInt16 nAnz=GetCount();
339     sal_uInt16 nInsPos=nAnz;
340     sal_uInt16 nLastId=nAnz!=0 ? GetObject(nAnz-1)->GetId() : 0;
341     DBG_ASSERT(nLastId>=nAnz,"SdrGluePointList::Insert(): nLastId<nAnz");
342     FASTBOOL bHole=nLastId>nAnz;
343     if (nId<=nLastId) {
344         if (!bHole || nId==0) {
345             nId=nLastId+1;
346         } else {
347             FASTBOOL bBrk=sal_False;
348             for (sal_uInt16 nNum=0; nNum<nAnz && !bBrk; nNum++) {
349                 const SdrGluePoint* pGP2=GetObject(nNum);
350                 sal_uInt16 nTmpId=pGP2->GetId();
351                 if (nTmpId==nId) {
352                     nId=nLastId+1; // bereits vorhanden
353                     bBrk=sal_True;
354                 }
355                 if (nTmpId>nId) {
356                     nInsPos=nNum; // Hier einfuegen (einsortieren)
357                     bBrk=sal_True;
358                 }
359             }
360         }
361         pGP->SetId(nId);
362     }
363     aList.Insert(pGP,nInsPos);
364     return nInsPos;
365 }
366 
367 void SdrGluePointList::Invalidate(Window& rWin, const SdrObject* pObj) const
368 {
369     sal_uInt16 nAnz=GetCount();
370     for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
371         GetObject(nNum)->Invalidate(rWin,pObj);
372     }
373 }
374 
375 sal_uInt16 SdrGluePointList::FindGluePoint(sal_uInt16 nId) const
376 {
377     // TODO: Hier noch einen optimaleren Suchalgorithmus implementieren.
378     // Die Liste sollte stets sortiert sein!
379     sal_uInt16 nAnz=GetCount();
380     sal_uInt16 nRet=SDRGLUEPOINT_NOTFOUND;
381     for (sal_uInt16 nNum=0; nNum<nAnz && nRet==SDRGLUEPOINT_NOTFOUND; nNum++) {
382         const SdrGluePoint* pGP=GetObject(nNum);
383         if (pGP->GetId()==nId) nRet=nNum;
384     }
385     return nRet;
386 }
387 
388 sal_uInt16 SdrGluePointList::HitTest(const Point& rPnt, const OutputDevice& rOut, const SdrObject* pObj, FASTBOOL bBack, FASTBOOL bNext, sal_uInt16 nId0) const
389 {
390     sal_uInt16 nAnz=GetCount();
391     sal_uInt16 nRet=SDRGLUEPOINT_NOTFOUND;
392     sal_uInt16 nNum=bBack ? 0 : nAnz;
393     while ((bBack ? nNum<nAnz : nNum>0) && nRet==SDRGLUEPOINT_NOTFOUND) {
394         if (!bBack) nNum--;
395         const SdrGluePoint* pGP=GetObject(nNum);
396         if (bNext) {
397             if (pGP->GetId()==nId0) bNext=sal_False;
398         } else {
399             if (pGP->IsHit(rPnt,rOut,pObj)) nRet=nNum;
400         }
401         if (bBack) nNum++;
402     }
403     return nRet;
404 }
405 
406 void SdrGluePointList::SetReallyAbsolute(FASTBOOL bOn, const SdrObject& rObj)
407 {
408     sal_uInt16 nAnz=GetCount();
409     for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
410         GetObject(nNum)->SetReallyAbsolute(bOn,rObj);
411     }
412 }
413 
414 void SdrGluePointList::Rotate(const Point& rRef, long nWink, double sn, double cs, const SdrObject* pObj)
415 {
416     sal_uInt16 nAnz=GetCount();
417     for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
418         GetObject(nNum)->Rotate(rRef,nWink,sn,cs,pObj);
419     }
420 }
421 
422 void SdrGluePointList::Mirror(const Point& rRef1, const Point& rRef2, const SdrObject* pObj)
423 {
424     Point aPt(rRef2); aPt-=rRef1;
425     long nWink=GetAngle(aPt);
426     Mirror(rRef1,rRef2,nWink,pObj);
427 }
428 
429 void SdrGluePointList::Mirror(const Point& rRef1, const Point& rRef2, long nWink, const SdrObject* pObj)
430 {
431     sal_uInt16 nAnz=GetCount();
432     for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
433         GetObject(nNum)->Mirror(rRef1,rRef2,nWink,pObj);
434     }
435 }
436 
437 void SdrGluePointList::Shear(const Point& rRef, long nWink, double tn, FASTBOOL bVShear, const SdrObject* pObj)
438 {
439     sal_uInt16 nAnz=GetCount();
440     for (sal_uInt16 nNum=0; nNum<nAnz; nNum++) {
441         GetObject(nNum)->Shear(rRef,nWink,tn,bVShear,pObj);
442     }
443 }
444 
445 /* vim: set noet sw=4 ts=4: */
446