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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_basegfx.hxx"
30 
31 #include <com/sun/star/geometry/AffineMatrix2D.hpp>
32 #include <com/sun/star/rendering/RenderState.hpp>
33 #include <com/sun/star/rendering/ViewState.hpp>
34 #include <com/sun/star/rendering/XCanvas.hpp>
35 #include <com/sun/star/rendering/CompositeOperation.hpp>
36 
37 #include <basegfx/matrix/b2dhommatrix.hxx>
38 #include <basegfx/range/b2drange.hxx>
39 #include <basegfx/range/b2drectangle.hxx>
40 #include <basegfx/point/b2dpoint.hxx>
41 #include <basegfx/tools/canvastools.hxx>
42 #include <basegfx/polygon/b2dpolygon.hxx>
43 #include <basegfx/polygon/b2dpolypolygontools.hxx>
44 #include <basegfx/tools/unopolypolygon.hxx>
45 #include <basegfx/matrix/b2dhommatrixtools.hxx>
46 
47 
48 using namespace ::com::sun::star;
49 
50 namespace basegfx
51 {
52 namespace unotools
53 {
54     UnoPolyPolygon::UnoPolyPolygon( const B2DPolyPolygon& rPolyPoly ) :
55         UnoPolyPolygonBase( m_aMutex ),
56         maPolyPoly( rPolyPoly ),
57         meFillRule( rendering::FillRule_EVEN_ODD )
58     {
59         // or else races will haunt us.
60         maPolyPoly.makeUnique();
61     }
62 
63     void SAL_CALL UnoPolyPolygon::addPolyPolygon(
64         const geometry::RealPoint2D& 						position,
65         const uno::Reference< rendering::XPolyPolygon2D >&	polyPolygon ) throw (lang::IllegalArgumentException,uno::RuntimeException)
66     {
67         osl::MutexGuard const guard( m_aMutex );
68         modifying();
69 
70         // TODO(F1): Correctly fulfill the UNO API
71         // specification. This will probably result in a vector of
72         // poly-polygons to be stored in this object.
73 
74         const sal_Int32 nPolys( polyPolygon->getNumberOfPolygons() );
75 
76         if( !polyPolygon.is() || !nPolys )
77         {
78             // invalid or empty polygon - nothing to do.
79             return;
80         }
81 
82         B2DPolyPolygon        aSrcPoly;
83         const UnoPolyPolygon* pSrc( dynamic_cast< UnoPolyPolygon* >(polyPolygon.get()) );
84 
85         // try to extract polygon data from interface. First,
86         // check whether it's the same implementation object,
87         // which we can tunnel then.
88         if( pSrc )
89         {
90             aSrcPoly = pSrc->getPolyPolygon();
91         }
92         else
93         {
94             // not a known implementation object - try data source
95             // interfaces
96             uno::Reference< rendering::XBezierPolyPolygon2D > xBezierPoly(
97                 polyPolygon,
98                 uno::UNO_QUERY );
99 
100             if( xBezierPoly.is() )
101             {
102                 aSrcPoly = unotools::polyPolygonFromBezier2DSequenceSequence(
103                     xBezierPoly->getBezierSegments( 0,
104                                                     nPolys,
105                                                     0,
106                                                     -1 ) );
107             }
108             else
109             {
110                 uno::Reference< rendering::XLinePolyPolygon2D > xLinePoly(
111                     polyPolygon,
112                     uno::UNO_QUERY );
113 
114                 // no implementation class and no data provider
115                 // found - contract violation.
116                 if( !xLinePoly.is() )
117                     throw lang::IllegalArgumentException(
118                         ::rtl::OUString(
119                             RTL_CONSTASCII_USTRINGPARAM(
120                                 "UnoPolyPolygon::addPolyPolygon(): Invalid input "
121                                 "poly-polygon, cannot retrieve vertex data")),
122                         static_cast<cppu::OWeakObject*>(this), 1);
123 
124                 aSrcPoly = unotools::polyPolygonFromPoint2DSequenceSequence(
125                     xLinePoly->getPoints( 0,
126                                           nPolys,
127                                           0,
128                                           -1 ) );
129             }
130         }
131 
132         const B2DRange	aBounds( tools::getRange( aSrcPoly ) );
133         const B2DVector 	aOffset( unotools::b2DPointFromRealPoint2D( position ) -
134                                              aBounds.getMinimum() );
135 
136         if( !aOffset.equalZero() )
137         {
138             const B2DHomMatrix aTranslate(tools::createTranslateB2DHomMatrix(aOffset));
139             aSrcPoly.transform( aTranslate );
140         }
141 
142         maPolyPoly.append( aSrcPoly );
143     }
144 
145     sal_Int32 SAL_CALL UnoPolyPolygon::getNumberOfPolygons() throw (uno::RuntimeException)
146     {
147         osl::MutexGuard const guard( m_aMutex );
148         return maPolyPoly.count();
149     }
150 
151     sal_Int32 SAL_CALL UnoPolyPolygon::getNumberOfPolygonPoints(
152         sal_Int32 polygon ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException)
153     {
154         osl::MutexGuard const guard( m_aMutex );
155         checkIndex( polygon );
156 
157         return maPolyPoly.getB2DPolygon(polygon).count();
158     }
159 
160     rendering::FillRule SAL_CALL UnoPolyPolygon::getFillRule() throw (uno::RuntimeException)
161     {
162         osl::MutexGuard const guard( m_aMutex );
163         return meFillRule;
164     }
165 
166     void SAL_CALL UnoPolyPolygon::setFillRule(
167         rendering::FillRule fillRule ) throw (uno::RuntimeException)
168     {
169         osl::MutexGuard const guard( m_aMutex );
170         modifying();
171 
172         meFillRule = fillRule;
173     }
174 
175     sal_Bool SAL_CALL UnoPolyPolygon::isClosed(
176         sal_Int32 index ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException)
177     {
178         osl::MutexGuard const guard( m_aMutex );
179         checkIndex( index );
180 
181         return maPolyPoly.getB2DPolygon(index).isClosed();
182     }
183 
184     void SAL_CALL UnoPolyPolygon::setClosed(
185         sal_Int32 index,
186         sal_Bool closedState ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException)
187     {
188         osl::MutexGuard const guard( m_aMutex );
189         modifying();
190 
191         if( index == -1L )
192         {
193             // set all
194             maPolyPoly.setClosed( closedState );
195         }
196         else
197         {
198             checkIndex( index );
199 
200             // fetch referenced polygon, change state
201             B2DPolygon aTmp( maPolyPoly.getB2DPolygon(index) );
202             aTmp.setClosed( closedState );
203 
204             // set back to container
205             maPolyPoly.setB2DPolygon( index, aTmp );
206         }
207     }
208 
209     uno::Sequence< uno::Sequence< geometry::RealPoint2D > > SAL_CALL UnoPolyPolygon::getPoints(
210         sal_Int32 nPolygonIndex,
211         sal_Int32 nNumberOfPolygons,
212         sal_Int32 nPointIndex,
213         sal_Int32 nNumberOfPoints ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException)
214     {
215         osl::MutexGuard const guard( m_aMutex );
216 
217         return unotools::pointSequenceSequenceFromB2DPolyPolygon(
218             getSubsetPolyPolygon( nPolygonIndex,
219                                   nNumberOfPolygons,
220                                   nPointIndex,
221                                   nNumberOfPoints ) );
222     }
223 
224     void SAL_CALL UnoPolyPolygon::setPoints(
225         const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points,
226         sal_Int32 nPolygonIndex ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException)
227     {
228         osl::MutexGuard const guard( m_aMutex );
229         modifying();
230 
231         const B2DPolyPolygon& rNewPolyPoly(
232             unotools::polyPolygonFromPoint2DSequenceSequence( points ) );
233 
234         if( nPolygonIndex == -1 )
235         {
236             maPolyPoly = rNewPolyPoly;
237         }
238         else
239         {
240             checkIndex( nPolygonIndex );
241 
242             maPolyPoly.insert( nPolygonIndex, rNewPolyPoly );
243         }
244     }
245 
246     geometry::RealPoint2D SAL_CALL UnoPolyPolygon::getPoint(
247         sal_Int32 nPolygonIndex,
248         sal_Int32 nPointIndex ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException)
249     {
250         osl::MutexGuard const guard( m_aMutex );
251         checkIndex( nPolygonIndex );
252 
253         const B2DPolygon& rPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) );
254 
255         if( nPointIndex < 0 || nPointIndex >= static_cast<sal_Int32>(rPoly.count()) )
256             throw lang::IndexOutOfBoundsException();
257 
258         return unotools::point2DFromB2DPoint( rPoly.getB2DPoint( nPointIndex ) );
259     }
260 
261     void SAL_CALL UnoPolyPolygon::setPoint(
262         const geometry::RealPoint2D& point,
263         sal_Int32 nPolygonIndex,
264         sal_Int32 nPointIndex ) throw (lang::IndexOutOfBoundsException,uno::RuntimeException)
265     {
266         osl::MutexGuard const guard( m_aMutex );
267         checkIndex( nPolygonIndex );
268         modifying();
269 
270         B2DPolygon aPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) );
271 
272         if( nPointIndex < 0 || nPointIndex >= static_cast<sal_Int32>(aPoly.count()) )
273             throw lang::IndexOutOfBoundsException();
274 
275         aPoly.setB2DPoint( nPointIndex,
276                            unotools::b2DPointFromRealPoint2D( point ) );
277         maPolyPoly.setB2DPolygon( nPolygonIndex, aPoly );
278     }
279 
280     uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > SAL_CALL UnoPolyPolygon::getBezierSegments(
281         sal_Int32 nPolygonIndex,
282         sal_Int32 nNumberOfPolygons,
283         sal_Int32 nPointIndex,
284         sal_Int32 nNumberOfPoints ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
285     {
286         osl::MutexGuard const guard( m_aMutex );
287         return unotools::bezierSequenceSequenceFromB2DPolyPolygon(
288             getSubsetPolyPolygon( nPolygonIndex,
289                                   nNumberOfPolygons,
290                                   nPointIndex,
291                                   nNumberOfPoints ) );
292     }
293 
294     void SAL_CALL UnoPolyPolygon::setBezierSegments(
295         const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >&	points,
296         sal_Int32 																nPolygonIndex ) throw (lang::IndexOutOfBoundsException,
297                                                                                                        uno::RuntimeException)
298     {
299         osl::MutexGuard const guard( m_aMutex );
300         modifying();
301         const B2DPolyPolygon& rNewPolyPoly(
302             unotools::polyPolygonFromBezier2DSequenceSequence( points ) );
303 
304         if( nPolygonIndex == -1 )
305         {
306             maPolyPoly = rNewPolyPoly;
307         }
308         else
309         {
310             checkIndex( nPolygonIndex );
311 
312             maPolyPoly.insert( nPolygonIndex, rNewPolyPoly );
313         }
314     }
315 
316     geometry::RealBezierSegment2D SAL_CALL UnoPolyPolygon::getBezierSegment( sal_Int32 nPolygonIndex,
317                                                                              sal_Int32 nPointIndex ) throw (lang::IndexOutOfBoundsException,
318                                                                                                             uno::RuntimeException)
319     {
320         osl::MutexGuard const guard( m_aMutex );
321         checkIndex( nPolygonIndex );
322 
323         const B2DPolygon& rPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) );
324 		const sal_uInt32  nPointCount(rPoly.count());
325 
326         if( nPointIndex < 0 || nPointIndex >= static_cast<sal_Int32>(nPointCount) )
327             throw lang::IndexOutOfBoundsException();
328 
329         const B2DPoint& rPt( rPoly.getB2DPoint( nPointIndex ) );
330         const B2DPoint& rCtrl0( rPoly.getNextControlPoint(nPointIndex) );
331         const B2DPoint& rCtrl1( rPoly.getPrevControlPoint((nPointIndex + 1) % nPointCount) );
332 
333         return geometry::RealBezierSegment2D( rPt.getX(),
334                                               rPt.getY(),
335                                               rCtrl0.getX(),
336                                               rCtrl0.getY(),
337                                               rCtrl1.getX(),
338                                               rCtrl1.getY() );
339     }
340 
341     void SAL_CALL UnoPolyPolygon::setBezierSegment( const geometry::RealBezierSegment2D& segment,
342                                                          sal_Int32 						 nPolygonIndex,
343                                                          sal_Int32						 nPointIndex ) throw (lang::IndexOutOfBoundsException,
344                                                                                                               uno::RuntimeException)
345     {
346         osl::MutexGuard const guard( m_aMutex );
347         checkIndex( nPolygonIndex );
348         modifying();
349 
350         B2DPolygon aPoly( maPolyPoly.getB2DPolygon( nPolygonIndex ) );
351 		const sal_uInt32 nPointCount(aPoly.count());
352 
353         if( nPointIndex < 0 || nPointIndex >= static_cast<sal_Int32>(nPointCount) )
354             throw lang::IndexOutOfBoundsException();
355 
356         aPoly.setB2DPoint( nPointIndex,
357                            B2DPoint( segment.Px,
358                                      segment.Py ) );
359         aPoly.setNextControlPoint(nPointIndex,
360                                   B2DPoint(segment.C1x, segment.C1y));
361         aPoly.setPrevControlPoint((nPointIndex + 1) % nPointCount,
362                                   B2DPoint(segment.C2x, segment.C2y));
363 
364         maPolyPoly.setB2DPolygon( nPolygonIndex, aPoly );
365     }
366 
367     B2DPolyPolygon UnoPolyPolygon::getSubsetPolyPolygon(
368         sal_Int32 nPolygonIndex,
369         sal_Int32 nNumberOfPolygons,
370         sal_Int32 nPointIndex,
371         sal_Int32 nNumberOfPoints ) const
372     {
373         osl::MutexGuard const guard( m_aMutex );
374         checkIndex( nPolygonIndex );
375 
376         const sal_Int32 nPolyCount( maPolyPoly.count() );
377 
378         // check for "full polygon" case
379         if( !nPolygonIndex &&
380             !nPointIndex &&
381             nNumberOfPolygons == nPolyCount &&
382             nNumberOfPoints == -1 )
383         {
384             return maPolyPoly;
385         }
386 
387         B2DPolyPolygon aSubsetPoly;
388 
389         // create temporary polygon (as an extract from maPoly,
390         // which contains the requested subset)
391         for( sal_Int32 i=nPolygonIndex; i<nNumberOfPolygons; ++i )
392         {
393             checkIndex(i);
394 
395             const B2DPolygon& rCurrPoly( maPolyPoly.getB2DPolygon(i) );
396 
397             sal_Int32 nFirstPoint(0);
398             sal_Int32 nLastPoint(nPolyCount-1);
399 
400             if( nPointIndex && i==nPolygonIndex )
401             {
402                 // very first polygon - respect nPointIndex, if
403                 // not zero
404 
405                 // empty polygon - impossible to specify _any_
406                 // legal value except 0 here!
407                 if( !nPolyCount && nPointIndex )
408                     throw lang::IndexOutOfBoundsException();
409 
410                 nFirstPoint = nPointIndex;
411             }
412 
413             if( i==nNumberOfPolygons-1 && nNumberOfPoints != -1 )
414             {
415                 // very last polygon - respect nNumberOfPoints
416 
417                 // empty polygon - impossible to specify _any_
418                 // legal value except -1 here!
419                 if( !nPolyCount )
420                     throw lang::IndexOutOfBoundsException();
421 
422                 nLastPoint = nFirstPoint+nNumberOfPoints;
423             }
424 
425             if( !nPolyCount )
426             {
427                 // empty polygon - index checks already performed
428                 // above, now simply append empty polygon
429                 aSubsetPoly.append( rCurrPoly );
430             }
431             else
432             {
433                 if( nFirstPoint < 0 || nFirstPoint >= nPolyCount )
434                     throw lang::IndexOutOfBoundsException();
435 
436                 if( nLastPoint < 0 || nLastPoint >= nPolyCount )
437                     throw lang::IndexOutOfBoundsException();
438 
439                 B2DPolygon aTmp;
440                 for( sal_Int32 j=nFirstPoint; j<nLastPoint; ++j )
441                     aTmp.append( rCurrPoly.getB2DPoint(j) );
442 
443                 aSubsetPoly.append( aTmp );
444             }
445         }
446 
447         return aSubsetPoly;
448     }
449 
450     B2DPolyPolygon UnoPolyPolygon::getPolyPolygonUnsafe() const
451     {
452         return maPolyPoly;
453     }
454 
455 #define IMPLEMENTATION_NAME "gfx::internal::UnoPolyPolygon"
456 #define SERVICE_NAME "com.sun.star.rendering.PolyPolygon2D"
457     ::rtl::OUString SAL_CALL UnoPolyPolygon::getImplementationName() throw( uno::RuntimeException )
458     {
459         return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
460     }
461 
462     sal_Bool SAL_CALL UnoPolyPolygon::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException )
463     {
464         return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
465     }
466 
467     uno::Sequence< ::rtl::OUString > SAL_CALL UnoPolyPolygon::getSupportedServiceNames()  throw( uno::RuntimeException )
468     {
469         uno::Sequence< ::rtl::OUString > aRet(1);
470         aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
471 
472         return aRet;
473     }
474 
475     B2DPolyPolygon UnoPolyPolygon::getPolyPolygon() const
476     {
477         osl::MutexGuard const guard( m_aMutex );
478 
479         // detach result from us
480         B2DPolyPolygon aRet( maPolyPoly );
481         aRet.makeUnique();
482         return aRet;
483     }
484 
485 }
486 }
487