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21
22
23
24
25 // MARKER(update_precomp.py): autogen include statement, do not remove
26 #include "precompiled_basegfx.hxx"
27 // autogenerated file with codegen.pl
28
29 #include "preextstl.h"
30 #include "cppunit/TestAssert.h"
31 #include "cppunit/TestFixture.h"
32 #include "cppunit/extensions/HelperMacros.h"
33 #include "postextstl.h"
34
35 #include <basegfx/matrix/b2dhommatrix.hxx>
36 #include <basegfx/curve/b2dcubicbezier.hxx>
37 #include <basegfx/curve/b2dbeziertools.hxx>
38 #include <basegfx/range/b2dpolyrange.hxx>
39 #include <basegfx/polygon/b2dpolygon.hxx>
40 #include <basegfx/polygon/b2dpolygontools.hxx>
41 #include <basegfx/polygon/b2dpolypolygontools.hxx>
42 #include <basegfx/polygon/b2dpolypolygoncutter.hxx>
43 #include <basegfx/polygon/b2dpolygonclipper.hxx>
44 #include <basegfx/polygon/b2dpolypolygon.hxx>
45 #include <basegfx/numeric/ftools.hxx>
46
47 #include <boost/bind.hpp>
48
49 using namespace ::basegfx;
50
51
52 namespace basegfx2d
53 {
54 /// Gets a random ordinal [0,n)
getRandomOrdinal(const::std::size_t n)55 inline double getRandomOrdinal( const ::std::size_t n )
56 {
57 // use this one when displaying polygons in OOo, which still sucks
58 // great rocks when trying to import non-integer svg:d attributes
59 // return sal_Int64(double(n) * rand() / (RAND_MAX + 1.0));
60 return double(n) * rand() / (RAND_MAX + 1.0);
61 }
62
compare(const B2DPoint & left,const B2DPoint & right)63 inline bool compare(const B2DPoint& left, const B2DPoint& right)
64 {
65 return left.getX()<right.getX()
66 || (left.getX()==right.getX() && left.getY()<right.getY());
67 }
68
69
70 class boxclipper : public CppUnit::TestFixture
71 {
72 private:
73 B2DPolyRange aDisjunctRanges;
74 B2DPolyRange aEqualRanges;
75 B2DPolyRange aIntersectionN;
76 B2DPolyRange aIntersectionE;
77 B2DPolyRange aIntersectionS;
78 B2DPolyRange aIntersectionW;
79 B2DPolyRange aIntersectionNE;
80 B2DPolyRange aIntersectionSE;
81 B2DPolyRange aIntersectionSW;
82 B2DPolyRange aIntersectionNW;
83 B2DPolyRange aRingIntersection;
84 B2DPolyRange aRingIntersection2;
85 B2DPolyRange aRingIntersectExtraStrip;
86 B2DPolyRange aComplexIntersections;
87 B2DPolyRange aRandomIntersections;
88
89 public:
90 // initialise your test code values here.
setUp()91 void setUp()
92 {
93 B2DRange aCenter(100, 100, -100, -100);
94 B2DRange aOffside(800, 800, 1000, 1000);
95 B2DRange aNorth(100, 0, -100, -200);
96 B2DRange aSouth(100, 200, -100, 0);
97 B2DRange aEast(0, 100, 200, -100);
98 B2DRange aWest(-200, 100, 0, -100);
99 B2DRange aNorthEast(0, 0, 200, -200);
100 B2DRange aSouthEast(0, 0, 200, 200);
101 B2DRange aSouthWest(0, 0, -200, 200);
102 B2DRange aNorthWest(0, 0, -200, -200);
103
104 B2DRange aNorth2(-150, 50, 150, 350);
105 B2DRange aSouth2(-150, -50, 150, -350);
106 B2DRange aEast2 (50, -150, 350, 150);
107 B2DRange aWest2 (-50, -150,-350, 150);
108
109 aDisjunctRanges.appendElement( aCenter, ORIENTATION_NEGATIVE );
110 aDisjunctRanges.appendElement( aOffside, ORIENTATION_NEGATIVE );
111
112 aEqualRanges.appendElement( aCenter, ORIENTATION_NEGATIVE );
113 aEqualRanges.appendElement( aCenter, ORIENTATION_NEGATIVE );
114
115 aIntersectionN.appendElement( aCenter, ORIENTATION_NEGATIVE );
116 aIntersectionN.appendElement( aNorth, ORIENTATION_NEGATIVE );
117
118 aIntersectionE.appendElement( aCenter, ORIENTATION_NEGATIVE );
119 aIntersectionE.appendElement( aEast, ORIENTATION_NEGATIVE );
120
121 aIntersectionS.appendElement( aCenter, ORIENTATION_NEGATIVE );
122 aIntersectionS.appendElement( aSouth, ORIENTATION_NEGATIVE );
123
124 aIntersectionW.appendElement( aCenter, ORIENTATION_NEGATIVE );
125 aIntersectionW.appendElement( aWest, ORIENTATION_NEGATIVE );
126
127 aIntersectionNE.appendElement( aCenter, ORIENTATION_NEGATIVE );
128 aIntersectionNE.appendElement( aNorthEast, ORIENTATION_NEGATIVE );
129
130 aIntersectionSE.appendElement( aCenter, ORIENTATION_NEGATIVE );
131 aIntersectionSE.appendElement( aSouthEast, ORIENTATION_NEGATIVE );
132
133 aIntersectionSW.appendElement( aCenter, ORIENTATION_NEGATIVE );
134 aIntersectionSW.appendElement( aSouthWest, ORIENTATION_NEGATIVE );
135
136 aIntersectionNW.appendElement( aCenter, ORIENTATION_NEGATIVE );
137 aIntersectionNW.appendElement( aNorthWest, ORIENTATION_NEGATIVE );
138
139 aRingIntersection.appendElement( aNorth2, ORIENTATION_NEGATIVE );
140 aRingIntersection.appendElement( aEast2, ORIENTATION_NEGATIVE );
141 aRingIntersection.appendElement( aSouth2, ORIENTATION_NEGATIVE );
142
143 aRingIntersection2 = aRingIntersection;
144 aRingIntersection2.appendElement( aWest2, ORIENTATION_NEGATIVE );
145
146 aRingIntersectExtraStrip = aRingIntersection2;
147 aRingIntersectExtraStrip.appendElement( B2DRange(0, -25, 200, 25),
148 ORIENTATION_NEGATIVE );
149
150 aComplexIntersections.appendElement( aCenter, ORIENTATION_NEGATIVE );
151 aComplexIntersections.appendElement( aOffside, ORIENTATION_NEGATIVE );
152 aComplexIntersections.appendElement( aCenter, ORIENTATION_NEGATIVE );
153 aComplexIntersections.appendElement( aNorth, ORIENTATION_NEGATIVE );
154 aComplexIntersections.appendElement( aEast, ORIENTATION_NEGATIVE );
155 aComplexIntersections.appendElement( aSouth, ORIENTATION_NEGATIVE );
156 aComplexIntersections.appendElement( aWest, ORIENTATION_NEGATIVE );
157 aComplexIntersections.appendElement( aNorthEast, ORIENTATION_NEGATIVE );
158 aComplexIntersections.appendElement( aSouthEast, ORIENTATION_NEGATIVE );
159 aComplexIntersections.appendElement( aSouthWest, ORIENTATION_NEGATIVE );
160 aComplexIntersections.appendElement( aNorthWest, ORIENTATION_NEGATIVE );
161
162 #ifdef GENERATE_RANDOM
163 for( int i=0; i<800; ++i )
164 {
165 B2DRange aRandomRange(
166 getRandomOrdinal( 1000 ),
167 getRandomOrdinal( 1000 ),
168 getRandomOrdinal( 1000 ),
169 getRandomOrdinal( 1000 ) );
170
171 aRandomIntersections.appendElement( aRandomRange, ORIENTATION_NEGATIVE );
172 }
173 #else
174 const char* randomSvg="m394 783h404v57h-404zm-197-505h571v576h-571zm356-634h75v200h-75zm-40-113h403v588h-403zm93-811h111v494h-111zm-364-619h562v121h-562zm-134-8h292v27h-292zm110 356h621v486h-621zm78-386h228v25h-228zm475-345h201v201h-201zm-2-93h122v126h-122zm-417-243h567v524h-567zm-266-738h863v456h-863zm262-333h315v698h-315zm-328-826h43v393h-43zm830-219h120v664h-120zm-311-636h221v109h-221zm-500 137h628v19h-628zm681-94h211v493h-211zm-366-646h384v355h-384zm-189-199h715v247h-715zm165-459h563v601h-563zm258-479h98v606h-98zm270-517h65v218h-65zm-44-259h96v286h-96zm-599-202h705v468h-705zm216-803h450v494h-450zm-150-22h26v167h-26zm-55-599h50v260h-50zm190-278h490v387h-490zm-290-453h634v392h-634zm257 189h552v300h-552zm-151-690h136v455h-136zm12-597h488v432h-488zm501-459h48v39h-48zm-224-112h429v22h-429zm-281 102h492v621h-492zm519-158h208v17h-208zm-681-563h56v427h-56zm126-451h615v392h-615zm-47-410h598v522h-598zm-32 316h79v110h-79zm-71-129h18v127h-18zm126-993h743v589h-743zm211-430h428v750h-428zm61-554h100v220h-100zm-353-49h658v157h-658zm778-383h115v272h-115zm-249-541h119v712h-119zm203 86h94v40h-94z";
175 B2DPolyPolygon randomPoly;
176 tools::importFromSvgD(
177 randomPoly,
178 rtl::OUString::createFromAscii(randomSvg), false, 0);
179 std::for_each(randomPoly.begin(),
180 randomPoly.end(),
181 boost::bind(
182 &B2DPolyRange::appendElement,
183 boost::ref(aRandomIntersections),
184 boost::bind(
185 &B2DPolygon::getB2DRange,
186 _1),
187 ORIENTATION_NEGATIVE,
188 1));
189 #endif
190 }
191
tearDown()192 void tearDown()
193 {
194 }
195
normalizePoly(const B2DPolyPolygon & rPoly)196 B2DPolyPolygon normalizePoly( const B2DPolyPolygon& rPoly )
197 {
198 B2DPolyPolygon aRes;
199 for( sal_uInt32 i=0; i<rPoly.count(); ++i )
200 {
201 B2DPolygon aTmp=rPoly.getB2DPolygon(i);
202 if( ORIENTATION_NEGATIVE == tools::getOrientation(aTmp) )
203 aTmp.flip();
204
205 aTmp=tools::removeNeutralPoints(aTmp);
206
207 B2DPoint* pSmallest=0;
208 for(B2DPoint* pCurr=aTmp.begin(); pCurr!=aTmp.end(); ++pCurr)
209 {
210 if( ! pSmallest || compare(*pCurr, *pSmallest) )
211 {
212 pSmallest=pCurr;
213 }
214 }
215
216 if( pSmallest )
217 std::rotate(aTmp.begin(),pSmallest,aTmp.end());
218
219 aRes.append(aTmp);
220 }
221
222 // boxclipper & generic clipper disagree slightly on area-less
223 // polygons (one or two points only)
224 aRes = tools::stripNeutralPolygons(aRes);
225
226 // now, sort all polygons with increasing 0th point
227 std::sort(aRes.begin(),
228 aRes.end(),
229 boost::bind(
230 &compare,
231 boost::bind(
232 &B2DPolygon::getB2DPoint,
233 _1,0),
234 boost::bind(
235 &B2DPolygon::getB2DPoint,
236 _2,0)));
237
238 return aRes;
239 }
240
verifyPoly(const char * sName,const char * sSvg,const B2DPolyRange & toTest)241 void verifyPoly(const char* sName, const char* sSvg, const B2DPolyRange& toTest)
242 {
243 B2DPolyPolygon aTmp1;
244 CPPUNIT_ASSERT_MESSAGE(sName,
245 tools::importFromSvgD(
246 aTmp1, rtl::OUString::createFromAscii(sSvg), false, 0));
247
248 const rtl::OUString aSvg=
249 tools::exportToSvgD(toTest.solveCrossovers(), , true, true, false);
250 B2DPolyPolygon aTmp2;
251 CPPUNIT_ASSERT_MESSAGE(sName,
252 tools::importFromSvgD(
253 aTmp2, aSvg, false, 0));
254
255 CPPUNIT_ASSERT_MESSAGE(
256 sName,
257 normalizePoly(aTmp2) == normalizePoly(aTmp1));
258 }
259
verifyPoly()260 void verifyPoly()
261 {
262 const char* disjunct="m100 100v-200h-200v200zm1100 900v-200h-200v200z";
263 const char* equal="m100 100v-200h-200v200zm200 0v-200h-200v200h200z";
264 const char* intersectionN="m100 0v-100h-200v100zm200 100v-200-100h-200v100 200z";
265 const char* intersectionE="m100 100v-200h-100v200zm200 0v-200h-200-100v200h100z";
266 const char* intersectionS="m100 100v-200h-200v200 100h200v-100zm0 0v-100h-200v100z";
267 const char* intersectionW="m0 100v-200h-100v200zm200 0v-200h-200-100v200h100z";
268 const char* intersectionNE="m100 0v-100h-100v100zm200 0v-200h-200v100h-100v200h200v-100z";
269 const char* intersectionSE="m200 200v-200h-100v-100h-200v200h100v100zm100-100v-100h-100v100z";
270 const char* intersectionSW="m0 100v-100h-100v100zm200 0v-200h-200v100h-100v200h200v-100z";
271 const char* intersectionNW="m100 100v-200h-100v-100h-200v200h100v100zm100-100v-100h-100v100z";
272 const char* ringIntersection="m150 150v-100h-100v100zm300 0v-300h-200v-200h-300v300h200v100h-200v300h300v-200zm0-200v-100h-100v100z";
273 const char* ringIntersection2="m-50-50v-100h-100v100zm100 200v-100h-100v100zm500 0v-300h-200v-200h-300v200h-200v300h200v200h300v-200zm-200-100v-100h100v100zm100-100v-100h-100v100zm100 200v-100h-100v100z";
274 const char* ringIntersectExtraStrip="m-50-50v-100h-100v100zm100 200v-100h-100v100zm500 0v-300h-200v-200h-300v200h-200v300h200v200h300v-200zm-200-100v-100h100v25h-50v50h50v25zm150-25v-50h-150v50zm100-75v-100h-100v100zm100 200v-100h-100v100z";
275 // TODO: old clipper impl. debug difference
276 //const char* complexIntersections="m100 0h-100v-100 100h-100 100v100-100zm0 0zm200 0h-100v-100h-100v-100 100h-100v100h-100 100v100h100v100-100h100v-100zm0 0h-100v-100 100h-100 100v100-100h100zm0 0v-100h-100-100v100 100h100 100v-100zm100 0v-100h-100v-100h-100-100v100h-100v100 100h100v100h100 100v-100h100v-100zm-200 0zm100 0v-100h-100-100v100 100h100 100v-100zm100 100v-200-100h-200-100-100v100 200 100h100 100 200v-100zm-200-100zm1000 1000v-200h-200v200z";
277 const char* complexIntersections="m0 0zm0 0zm0 0zm0 0v-100 100h-100 100v100-100h100zm-100 0v-100 100h-100 100v100-100h100zm0 0v-100h-100-100v100 100h100 100v-100zm0 0v-100h-100-100v100 100h100 100v-100zm0 0v-100h-100v-100 100h-100v100h-100 100v100h100v100-100h100v-100h100zm-100-100v-100h-100-100v100h-100v100 100h100v100h100 100v-100h100v-100-100zm0 0v-100h-200-100-100v100 200 100h100 100 200v-100-200zm600 900v200h200v-200z";
278 const char* randomIntersections="m63 457v-393h-43v393zm114 63v-8h-48v8zm-14 477v-127h-18v127zm693-923v-5h-119v5zm-260 457v-1h-14v1zm-220-375v-27h-8v27zm78 755v-22h-7v22zm203-774v-8h-158v8zm-108 375v-17h23v17zm813-19v-189h-21v-12h-26v-54h-17v-69h-25v-22h-62v-73h104v-5h-104-15v-17h-49v-1h-8v-16h-119v16h-386v18h-38-24v34h-23v26h-23v-26h-8v26h-18v27h18v339h8v-339h23v339h8v17h-8v13h8v5h-8v1h8v42h15v20h17v94h18 3v224h165v39h130v2h75v4h98v-4h153v-2h77v-20h4v-28h11v-218h-11v-27h3v-1h8v-17h-8v-63h8v-51h18v-32zm-581 32v-13h-14v13zm-78-78v-7h-32v7zm124 14v-21h-14v21zm595 32v-189h-26v-12h-4v-9h-13v-45h-13v-10h-12v-59h-62v-22h-26v-10h11v-63h15v-5h-15-49v-17h-8v-1h-119v1h-107v17h-279-38v34h-24v26h-23v27h23v284h-15v55h15v17h-15v13h15v5h-15v1h15v42h17v20h18v94h3 14v62h8v48h90v32h18v61h35v21h8v2h122v37h75v2h98v-2h153v-20h77v-28h4v-29h5v-40h-5v-149h-1v-27h1v-1h3v-17h-3v-46h3v-17-51h8v-32zm-563 2v-13h-14v13zm198 30v-13h-39v13zm204-43v-21h3v21zm-168-21v-21h-39v21zm306 0v-21h-5v21zm178 115v-272h-20v-12h-2v-54h-21v-164h1v-22h-27v-48h-743v47h-23v18h-71v24h-8v419h-39v19h60v156h66 32v202h-72v110h79v-88h11v39h3v48h621v-14h96v-82h35v-326zm-570-420v-4h-156v4zm63 481v-18h-11v18zm72 0v-25h-14v25zm465-112v-13h-5v13zm-46-43v-21h1v21zm-37-21v-21h-12v21zm-352 21v-21h23v21zm-23 30v-17h23v17zm-23 18v-5h23v5zm-23 82v-19h23v19zm272 75v-3h-35v3zm-76-192v-13h-39v13zm150 30v-13h-35v13zm-76 6v-1h-39v1zm11 106v-25h-11v25zm150 160v-14h-75v14zm318-304v-11h-13v-43h-2v-2h-10v-37h-4v37h-27v3h-31v-3-37h-5v37h-43v3h-2v21h2v21h-2v30h-1v-30h-8v-21h8v-21h-8v-3h-5v-62h5v-11h-5v-29h-8v-52h-15v-17-38h-15v-52h-89v16h-22v36h-175v55h-15v1h-25v51h-23v-41h-14v41h-2v105h-4v21h4v21h-4v13h4v17h-4-18v13h18v5h-18v1h18v42h4v11h2v9h14v-9h23v9h40v19h-40v25h40v2h82v2h75v43h-75v3h75 40v60h35v-60h23 34 12 15v-3h-15v-43h15v-48h10v-37h11v-31h1v1h45v30h5v-30h20v-1h11v1h8v30h19v20h3v-20h1v-30h10v-1h2v-32zm-146-329v-1h-2v1zm-117 211v-11 11zm-76 0v-11h-13v11zm13 65v-65h1v65zm-1 42v-21h1v16h35v5zm-36 30v-17h36v17zm-36 18v-5h36v5zm180-5v-13h-13v-17h5v-13h-5v-21h5v-21h-5v-3h-8v-62h8v-11h-8v-29h-9v-51h-6v-1-17h-15v-38h-54v-36h-35v36h-22v38h-67v17h-108v1h-15v51h-25v105h-23v-105h-14v105h-2v21h2v21h-2v13h2v17h-2-4v13h4v5h-4v1h4v42h2v11h14v-11h23v11h40v9h82v19h-82v25h82v2h75v2h40v43h-40v3h40 35 23v-3h-23v-43h23v-2h34v2h12v-2h6v-46h9v-20h8v-17h2v-26h-2v-5zm-127-64v-21 21zm89 51v-17h3v17zm-57-17v-13h-35v13zm58 61v-26h-19v-5h19v-13h-23v-17h23v-13h-23v-21h23v-21h-23v-65h23v-11h-23v-14h-35v-15 15h-22v14h-18v11h18v65h-18v21h18v16h22v5h-22v13h22v17h-22-18v13h18v5h-18v1h18v25h22v17h35v-17zm0-25v-1h-35v1zm-22-390v6h-175v5h-31v-15h228v4zm344 352v-189h-2v-12h-21v-54h-26v-164h26v-5h-26v-17h-119v-36h-562v35h-62v18h-23v34h-23v-10h-48v419h-8v8h8v5h71v5h-58v1h58v42h8v114h32 18v224h3v39h165v34h456v-32h77v-2h4v-20h11v-28h4v-218h-4v-28h36v-17h-36v-63h39v-83zm-50 0v-11h-1v-43h-3v-2h-6v-39h-4v-34h-13v-60h-12v-12h-31v72h-31v-72-9h-59v-17-38h-5v-59h-8v-5h8v-1h-8v-16h-2v16h-13v-11h-15v-5h-89v5h-22v11h-175v6h-15v7h-25v16h-43v36h-18v66h-54v-107h-32v107h-4v41h-8v105h-6v7h6v14h8v21h-8v13h8v17h-8-14v13h14v5h-14v1h14v42h8v20h90v19h-34v7h-15v68h26v-50h23v50h18 4v62h16v-62h15v110h8v10h3v22h119v11h75v50h75v-50h23v-11h34v11h48v-11h30v-22h21v-120h20v-3h11v3h30v-3h13-13v-27h13v-1h17v-17h-17v-46h17v-17h6v-51h3v-32zm-256-32v-21h-35v-65h35v-11h-35v-14 14h-22v11h22v65h-22v21h22v16-16zm89 69v-5h3v5zm-3 26v-26h-31v-5h31v-13h-31v-17h31v-13h-31v-21h31v-21h-31v-65h31v-11h-31v-14h-23v-15h-35v-51 51h-22v15h-18v14h-35v11h35v65h-35v21h35v16h18v5h-18v13h18v17h-18-36-39-61v13h61v5h-61v1h61v25h39v-25h36v25h18v17h22v11h35v-11h23v-17zm-19-25v-1h-4v-5h4v-13h-4-35-22v13h22v5h-22v1h22v25h35v-25zm23 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0v-11h-3v-43h-6v-2h-4v-39h-13v-34h-12v-60h-4v60h-27v34h-31v-34-72h-48v72h-3v-29h-8v-52-17h-5v-38h-8v-59h-15v-6h-15v-11h-89v11h-22v6h-175v7h-15v16h-25v36h-43v66h-18v41h-54v-41h-32v41h-4v105h-8v7h8v14h4v21h-4v13h4v17h-4-8v13h8v5h-8v1h8v42h4v11h86v9h18v19h-18v25h18v50h4 16 15 8v110h3v10h119v22h75v11h75v-11h23v-22h34v22h48v-22h30v-24h-30v-96h51v-3h20-20v-28h20v-15h11v15h8v1h22v-1h13v-17h-12v-46h12v-17h17v-51h6v-32z";
279
280 verifyPoly("disjunct", disjunct, aDisjunctRanges);
281 verifyPoly("equal", equal, aEqualRanges);
282 verifyPoly("intersectionN", intersectionN, aIntersectionN);
283 verifyPoly("intersectionE", intersectionE, aIntersectionE);
284 verifyPoly("intersectionS", intersectionS, aIntersectionS);
285 verifyPoly("intersectionW", intersectionW, aIntersectionW);
286 verifyPoly("intersectionNE", intersectionNE, aIntersectionNE);
287 verifyPoly("intersectionSE", intersectionSE, aIntersectionSE);
288 verifyPoly("intersectionSW", intersectionSW, aIntersectionSW);
289 verifyPoly("intersectionNW", intersectionNW, aIntersectionNW);
290 verifyPoly("ringIntersection", ringIntersection, aRingIntersection);
291 verifyPoly("ringIntersection2", ringIntersection2, aRingIntersection2);
292 verifyPoly("ringIntersectExtraStrip", ringIntersectExtraStrip, aRingIntersectExtraStrip);
293 verifyPoly("complexIntersections", complexIntersections, aComplexIntersections);
294 verifyPoly("randomIntersections", randomIntersections, aRandomIntersections);
295 }
296
dumpSvg(const char * pName,const::basegfx::B2DPolyPolygon & rPoly)297 void dumpSvg(const char* pName,
298 const ::basegfx::B2DPolyPolygon& rPoly)
299 {
300 (void)pName; (void)rPoly;
301 #if defined(VERBOSE)
302 fprintf(stderr, "%s - svg:d=\"%s\"\n",
303 pName, rtl::OUStringToOString(
304 basegfx::tools::exportToSvgD(rPoly, , true, true, false),
305 RTL_TEXTENCODING_UTF8).getStr() );
306 #endif
307 }
308
getPolyPolygon()309 void getPolyPolygon()
310 {
311 dumpSvg("disjunct",aDisjunctRanges.solveCrossovers());
312 dumpSvg("equal",aEqualRanges.solveCrossovers());
313 dumpSvg("intersectionN",aIntersectionN.solveCrossovers());
314 dumpSvg("intersectionE",aIntersectionE.solveCrossovers());
315 dumpSvg("intersectionS",aIntersectionS.solveCrossovers());
316 dumpSvg("intersectionW",aIntersectionW.solveCrossovers());
317 dumpSvg("intersectionNE",aIntersectionNE.solveCrossovers());
318 dumpSvg("intersectionSE",aIntersectionSE.solveCrossovers());
319 dumpSvg("intersectionSW",aIntersectionSW.solveCrossovers());
320 dumpSvg("intersectionNW",aIntersectionNW.solveCrossovers());
321 dumpSvg("ringIntersection",aRingIntersection.solveCrossovers());
322 dumpSvg("ringIntersection2",aRingIntersection2.solveCrossovers());
323 dumpSvg("aRingIntersectExtraStrip",aRingIntersectExtraStrip.solveCrossovers());
324 dumpSvg("complexIntersections",aComplexIntersections.solveCrossovers());
325 dumpSvg("randomIntersections",aRandomIntersections.solveCrossovers());
326
327 CPPUNIT_ASSERT_MESSAGE("getPolyPolygon", true );
328 }
329
validatePoly(const char * pName,const B2DPolyRange & rRange)330 void validatePoly( const char* pName, const B2DPolyRange& rRange )
331 {
332 B2DPolyPolygon genericClip;
333 const sal_uInt32 nCount=rRange.count();
334 for( sal_uInt32 i=0; i<nCount; ++i )
335 {
336 B2DPolygon aRect=tools::createPolygonFromRect(
337 rRange.getElement(i).head);
338 if( rRange.getElement(i).tail.head == ORIENTATION_NEGATIVE )
339 aRect.flip();
340
341 genericClip.append(aRect);
342 }
343
344 #if defined(VERBOSE)
345 fprintf(stderr, "%s input - svg:d=\"%s\"\n",
346 pName, rtl::OUStringToOString(
347 basegfx::tools::exportToSvgD(
348 genericClip, , true, true, false),
349 RTL_TEXTENCODING_UTF8).getStr() );
350 #endif
351
352 const B2DPolyPolygon boxClipResult=rRange.solveCrossovers();
353 const rtl::OUString boxClipSvg(
354 basegfx::tools::exportToSvgD(
355 normalizePoly(boxClipResult)), true, true, false);
356 #if defined(VERBOSE)
357 fprintf(stderr, "%s boxclipper - svg:d=\"%s\"\n",
358 pName, rtl::OUStringToOString(
359 boxClipSvg,
360 RTL_TEXTENCODING_UTF8).getStr() );
361 #endif
362
363 genericClip = tools::solveCrossovers(genericClip);
364 const rtl::OUString genericClipSvg(
365 basegfx::tools::exportToSvgD(
366 normalizePoly(genericClip)), true, true, false);
367 #if defined(VERBOSE)
368 fprintf(stderr, "%s genclipper - svg:d=\"%s\"\n",
369 pName, rtl::OUStringToOString(
370 genericClipSvg,
371 RTL_TEXTENCODING_UTF8).getStr() );
372 #endif
373
374 CPPUNIT_ASSERT_MESSAGE(pName,
375 genericClipSvg == boxClipSvg);
376 }
377
validatePoly()378 void validatePoly()
379 {
380 validatePoly("disjunct", aDisjunctRanges);
381 validatePoly("equal", aEqualRanges);
382 validatePoly("intersectionN", aIntersectionN);
383 validatePoly("intersectionE", aIntersectionE);
384 validatePoly("intersectionS", aIntersectionS);
385 validatePoly("intersectionW", aIntersectionW);
386 validatePoly("intersectionNE", aIntersectionNE);
387 validatePoly("intersectionSE", aIntersectionSE);
388 validatePoly("intersectionSW", aIntersectionSW);
389 validatePoly("intersectionNW", aIntersectionNW);
390 // subtle differences on Solaris Intel, comparison not smart enough
391 // (due to floating point inaccuracies)
392 //validatePoly("ringIntersection", aRingIntersection);
393 //validatePoly("ringIntersection2", aRingIntersection2);
394 //validatePoly("ringIntersectExtraStrip", aRingIntersectExtraStrip);
395 // generic clipper buggy here, likely
396 //validatePoly("complexIntersections", aComplexIntersections);
397 //validatePoly("randomIntersections", aRandomIntersections);
398 }
399
400 // Change the following lines only, if you add, remove or rename
401 // member functions of the current class,
402 // because these macros are need by auto register mechanism.
403
404 CPPUNIT_TEST_SUITE(boxclipper);
405 CPPUNIT_TEST(validatePoly);
406 CPPUNIT_TEST(verifyPoly);
407 CPPUNIT_TEST(getPolyPolygon);
408 CPPUNIT_TEST_SUITE_END();
409 };
410
411 // -----------------------------------------------------------------------------
412 CPPUNIT_TEST_SUITE_REGISTRATION(basegfx2d::boxclipper);
413 } // namespace basegfx2d
414