KiCad PCB EDA Suite
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test_shape_line_chain.cpp
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1/*
2 * This program source code file is part of KiCad, a free EDA CAD application.
3 *
4 * Copyright The KiCad Developers, see AUTHORS.TXT for contributors.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, you may find one here:
18 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
19 * or you may search the http://www.gnu.org website for the version 2 license,
20 * or you may write to the Free Software Foundation, Inc.,
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24#include <geometry/shape_arc.h>
25#include <geometry/shape_line_chain.h>
26#include <trigo.h>
27
28#include <qa_utils/geometry/geometry.h>
29#include <qa_utils/numeric.h>
30#include <qa_utils/wx_utils/unit_test_utils.h>
31
32#include "geom_test_utils.h"
33
38struct SLC_CASES
39{
40 SHAPE_LINE_CHAIN Circle1Arc;
41 SHAPE_LINE_CHAIN Circle2Arcs;
42 SHAPE_LINE_CHAIN ArcsCoincident;
43 SHAPE_LINE_CHAIN ArcsCoincidentClosed;
44 SHAPE_LINE_CHAIN ArcsIndependent;
45 SHAPE_LINE_CHAIN DuplicateArcs;
46 SHAPE_LINE_CHAIN ArcsAndSegMixed;
47 SHAPE_LINE_CHAIN ArcAndPoint;
48 SHAPE_LINE_CHAIN SegAndArcCoincident;
49 SHAPE_LINE_CHAIN EmptyChain;
50 SHAPE_LINE_CHAIN OnePoint;
51 SHAPE_LINE_CHAIN TwoPoints;
52 SHAPE_LINE_CHAIN ThreePoints;
53
54 SHAPE_ARC ArcCircle;
55 SHAPE_ARC Arc0a;
56 SHAPE_ARC Arc0b;
57 SHAPE_ARC Arc1;
58 SHAPE_ARC Arc2;
59 SHAPE_ARC Arc3;
60
61 SLC_CASES()
62 {
63 ArcCircle = SHAPE_ARC( VECTOR2I( 183450000, 128360000 ),
64 VECTOR2I( 183850000, 128360000 ),
65 VECTOR2I( 183450000, 128360000 ), 0 );
66
67 Arc0a = SHAPE_ARC( VECTOR2I( 183450000, 128360000 ),
68 VECTOR2I( 183650000, 128560000 ),
69 VECTOR2I( 183850000, 128360000 ), 0 );
70
71 Arc0b = SHAPE_ARC( VECTOR2I( 183850000, 128360000 ),
72 VECTOR2I( 183650000, 128160000 ),
73 VECTOR2I( 183450000, 128360000 ), 0 );
74
75 Arc1 = SHAPE_ARC( VECTOR2I( 183850000, 128360000 ),
76 VECTOR2I( 183638550, 128640305 ),
77 VECTOR2I( 183500000, 129204974 ), 0 );
78
79 Arc2 = SHAPE_ARC( VECTOR2I( 283450000, 228360000 ),
80 VECTOR2I( 283650000, 228560000 ),
81 VECTOR2I( 283850000, 228360000 ), 0 );
82
83 Arc3 = SHAPE_ARC( VECTOR2I( 0, 0 ),
84 VECTOR2I( 24142136, 10000000 ),
85 VECTOR2I( 0, 20000000 ), 0 );
86
87 Circle1Arc.Append( ArcCircle );
88 Circle1Arc.SetClosed( true );
89
90 Circle2Arcs.Append( Arc0a );
91 Circle2Arcs.Append( Arc0b );
92 Circle2Arcs.SetClosed( true );
93
94 ArcsCoincident.Append( Arc0a );
95 ArcsCoincident.Append( Arc1 );
96
97 ArcsCoincidentClosed=ArcsCoincident;
98 ArcsCoincidentClosed.SetClosed( true );
99
100 ArcsIndependent.Append( Arc0a );
101 ArcsIndependent.Append( Arc2 );
102
103 DuplicateArcs=ArcsCoincident;
104 DuplicateArcs.Append( Arc1 ); //should add a segment between end of the chain and new copy of the arc
105
106 ArcAndPoint.Append( Arc0a );
107 ArcAndPoint.Append( VECTOR2I( 233450000, 228360000 ) );
108
109 ArcsAndSegMixed = ArcAndPoint;
110 ArcsAndSegMixed.Append( Arc2 );
111
112 OnePoint.Append( VECTOR2I( 233450000, 228360000 ) );
113
114 TwoPoints.Append( VECTOR2I( 233450000, 228360000 ) );
115 TwoPoints.Append( VECTOR2I( 263450000, 258360000 ) );
116
117 ThreePoints = TwoPoints;
118 ThreePoints.Append( VECTOR2I( 263450000, 308360000 ) );
119
120 SegAndArcCoincident.Append( VECTOR2I( 0, 20000000 ) );
121 SegAndArcCoincident.Append( Arc3 );
122 }
123};
124
125
126BOOST_FIXTURE_TEST_SUITE( TestShapeLineChain, SLC_CASES )
127
128
129BOOST_AUTO_TEST_CASE( ClipperConstructorCase1 )
130{
131 // Case of an arc followed by a segment
132 // The clipper path is not in order (on purpose), to simulate the typical return from clipper
133
134 Clipper2Lib::Path64 pathClipper2 = {
135 { { 125663951, 120099260, 24 }, { 125388111, 120170850, 25 }, { 125124975, 120280270, 26 },
136 { 124879705, 120425376, 27 }, { 124657110, 120603322, 28 }, { 124461556, 120810617, 29 },
137 { 124296876, 121043198, 30 }, { 124166301, 121296503, 31 }, { 124072391, 121565564, 32 },
138 { 124016988, 121845106, 33 }, { 124001177, 122129646, 34 }, { 124025270, 122413605, 35 },
139 { 124088794, 122691414, 36 }, { 124190502, 122957625, 37 }, { 124328401, 123207018, 38 },
140 { 124499787, 123434703, 39 }, { 124598846, 123537154, 40 }, { 127171000, 123786000, 4 },
141 { 127287862, 123704439, 5 }, { 127499716, 123513831, 6 }, { 127682866, 123295498, 7 },
142 { 127833720, 123053722, 8 }, { 127949321, 122793242, 9 }, { 128027402, 122519168, 10 },
143 { 128066430, 122236874, 11 }, { 128065642, 121951896, 12 }, { 128025053, 121669823, 13 },
144 { 127945457, 121396185, 14 }, { 127828417, 121136349, 15 }, { 127676227, 120895410, 16 },
145 { 127491873, 120678094, 17 }, { 127278968, 120488661, 18 }, { 127041689, 120330827, 19 },
146 { 126784688, 120207687, 20 }, { 126513005, 120121655, 21 }, { 126231968, 120074419, 22 },
147 { 125947087, 120066905, 23 } }
148 };
149
150 std::vector<CLIPPER_Z_VALUE> z_values = {
151 { { -1, -1 }, 0 }, { { -1, -1 }, 0 }, { { -1, -1 }, 0 }, { { -1, -1 }, 0 },
152 { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 },
153 { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 },
154 { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 },
155 { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 },
156 { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 },
157 { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 },
158 { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 },
159 { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 },
160 { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 }, { { 0, -1 }, 0 },
161 { { 0, -1 }, 0 }
162 };
163
164 std::vector<SHAPE_ARC> arcs = {
165 SHAPE_ARC( { 127171000, 123786000 }, { 126231718, 120077003 }, { 124598846, 123537154 }, 0 )
166 };
167
168 SHAPE_LINE_CHAIN clipper2chain( pathClipper2, z_values, arcs );
169
170 BOOST_CHECK( GEOM_TEST::IsOutlineValid( clipper2chain ) );
171
172 BOOST_CHECK_EQUAL( clipper2chain.PointCount(), 37 );
173
174 BOOST_CHECK_EQUAL( clipper2chain.ArcCount(), 1 );
175
176 BOOST_CHECK_EQUAL( clipper2chain.ShapeCount(), 2 );
177
178 BOOST_CHECK_EQUAL( clipper2chain.IsClosed(), true );
179}
180
181
182BOOST_AUTO_TEST_CASE( ArcToPolyline )
183{
184 SHAPE_LINE_CHAIN base_chain( { VECTOR2I( 0, 0 ), VECTOR2I( 0, 1000 ), VECTOR2I( 1000, 0 ) } );
185
186 SHAPE_LINE_CHAIN chain_insert( {
187 VECTOR2I( 0, 1500 ),
188 VECTOR2I( 1500, 1500 ),
189 VECTOR2I( 1500, 0 ),
190 } );
191
192 SHAPE_LINE_CHAIN arc_insert1( SHAPE_ARC( VECTOR2I( 0, -100 ), VECTOR2I( 0, -200 ), ANGLE_180 ) );
193
194 SHAPE_LINE_CHAIN arc_insert2( SHAPE_ARC( VECTOR2I( 0, 500 ), VECTOR2I( 0, 400 ), ANGLE_180 ) );
195
196 BOOST_CHECK_EQUAL( base_chain.CShapes().size(), base_chain.CPoints().size() );
197 BOOST_CHECK_EQUAL( arc_insert1.CShapes().size(), arc_insert1.CPoints().size() );
198 BOOST_CHECK_EQUAL( arc_insert2.CShapes().size(), arc_insert2.CPoints().size() );
199
200 BOOST_CHECK( GEOM_TEST::IsOutlineValid( base_chain ) );
201 BOOST_CHECK( GEOM_TEST::IsOutlineValid( arc_insert1 ) );
202 BOOST_CHECK( GEOM_TEST::IsOutlineValid( arc_insert2 ) );
203
204 base_chain.Insert( 0, SHAPE_ARC( VECTOR2I( 0, -100 ), VECTOR2I( 0, -200 ), ANGLE_180 ) );
205 BOOST_CHECK( GEOM_TEST::IsOutlineValid( base_chain ) );
206 BOOST_CHECK_EQUAL( base_chain.CShapes().size(), base_chain.CPoints().size() );
207
208 base_chain.Replace( 0, 2, chain_insert );
209 BOOST_CHECK( GEOM_TEST::IsOutlineValid( base_chain ) );
210 BOOST_CHECK_EQUAL( base_chain.CShapes().size(), base_chain.CPoints().size() );
211}
212
213
214// Similar test to above but with larger coordinates, so we have more than one point per arc
215BOOST_AUTO_TEST_CASE( ArcToPolylineLargeCoords )
216{
217 SHAPE_LINE_CHAIN base_chain( { VECTOR2I( 0, 0 ), VECTOR2I( 0, 100000 ), VECTOR2I( 100000, 0 ) } );
218
219 SHAPE_LINE_CHAIN chain_insert( {
220 VECTOR2I( 0, 1500000 ),
221 VECTOR2I( 1500000, 1500000 ),
222 VECTOR2I( 1500000, 0 ),
223 } );
224
225 base_chain.Append( SHAPE_ARC( VECTOR2I( 200000, 0 ), VECTOR2I( 300000, 100000 ), ANGLE_180 ) );
226
227 BOOST_CHECK( GEOM_TEST::IsOutlineValid( base_chain ) );
228 BOOST_CHECK_EQUAL( base_chain.PointCount(), 11 );
229
230 base_chain.Insert( 9, VECTOR2I( 250000, 0 ) );
231 BOOST_CHECK( GEOM_TEST::IsOutlineValid( base_chain ) );
232 BOOST_CHECK_EQUAL( base_chain.PointCount(), 12 );
233 BOOST_CHECK_EQUAL( base_chain.ArcCount(), 2 ); // Should have two arcs after the split
234
235 base_chain.Replace( 5, 6, chain_insert );
236 BOOST_CHECK( GEOM_TEST::IsOutlineValid( base_chain ) );
237 BOOST_CHECK_EQUAL( base_chain.PointCount(), 13 ); // Adding 3 points, removing 2
238 BOOST_CHECK_EQUAL( base_chain.ArcCount(), 3 ); // Should have three arcs after the split
239
240 base_chain.Replace( 4, 6, VECTOR2I( 550000, 0 ) );
241 BOOST_CHECK( GEOM_TEST::IsOutlineValid( base_chain ) );
242 BOOST_CHECK_EQUAL( base_chain.PointCount(), 11 ); // Adding 1 point, removing 3
243 BOOST_CHECK_EQUAL( base_chain.ArcCount(), 3 ); // Should still have three arcs
244
245 // Test ClearArcs
246 base_chain.SetClosed( true );
247 double areaPriorToArcRemoval = base_chain.Area();
248 base_chain.ClearArcs();
249
250 BOOST_CHECK( GEOM_TEST::IsOutlineValid( base_chain ) );
251 BOOST_CHECK_EQUAL( base_chain.CPoints().size(), base_chain.CShapes().size() );
252 BOOST_CHECK_EQUAL( base_chain.PointCount(), 11 ); // We should have the same number of points
253 BOOST_CHECK_EQUAL( base_chain.ArcCount(), 0 ); // All arcs should have been removed
254 BOOST_CHECK_EQUAL( base_chain.Area(), areaPriorToArcRemoval ); // Area should not have changed
255}
256
257// Test that duplicate point gets removed when line is set to be closed and added where required
258BOOST_AUTO_TEST_CASE( SetClosedDuplicatePoint )
259{
260 // Test from issue #9843
261 SHAPE_LINE_CHAIN chain;
262
263 chain.Append(
264 SHAPE_ARC( { -859598, 2559876 }, { -1632771, 1022403 }, { -3170244, 249230 }, 0 ) );
265
266 chain.Append(
267 SHAPE_ARC( { -3170244, -1657832 }, { -292804, -317564 }, { 1047464, 2559876 }, 0 ) );
268
269 chain.Append( VECTOR2I( -859598, 2559876 ) ); // add point that is equal to first arc start
270
271 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
272 BOOST_CHECK_EQUAL( chain.PointCount(), 31 );
273
274 // CLOSED CHAIN
275 chain.SetClosed( true );
276 BOOST_CHECK_EQUAL( chain.CPoints().size(), chain.CShapes().size() );
277 BOOST_CHECK_EQUAL( chain.PointCount(), 30 ); // (-1) should have removed coincident points
278 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
279
280 // Special case: arc wrapping around to start (e.g. circle)
281 BOOST_CHECK( GEOM_TEST::IsOutlineValid( Circle2Arcs ) );
282 BOOST_CHECK_EQUAL( Circle2Arcs.IsClosed(), true );
283 BOOST_CHECK_EQUAL( Circle2Arcs.PointCount(), 16 );
284 BOOST_CHECK_EQUAL( Circle2Arcs.IsArcSegment( 15 ), true );
285 BOOST_CHECK_EQUAL( Circle2Arcs.ShapeCount(), 2 );
286 Circle2Arcs.SetClosed( false );
287 BOOST_CHECK( GEOM_TEST::IsOutlineValid( Circle2Arcs ) );
288 BOOST_CHECK_EQUAL( Circle2Arcs.IsClosed(), false );
289 BOOST_CHECK_EQUAL( Circle2Arcs.PointCount(), 17 );
290 BOOST_CHECK_EQUAL( Circle2Arcs.IsArcSegment( 15 ), true );
291 BOOST_CHECK_EQUAL( Circle2Arcs.IsArcSegment( 16 ), false ); // last point doesn't join up
292}
293
294struct CLOSE_TOGGLE_SHAPE_CASE
295{
296 std::string m_ctx_name;
297 SHAPE_LINE_CHAIN m_chain;
298 bool m_closed;
299 int m_shape_count;
300 int m_point_count;
301 int m_expected_shape_count;
302 int m_expected_point_count;
303};
304
305static const std::vector<CLOSE_TOGGLE_SHAPE_CASE> close_toggle_shape_cases =
306 {
307 { "Circle1Arc", SLC_CASES().Circle1Arc, true, 1, 15, 1, 16 },
308 { "Circle2Arcs", SLC_CASES().Circle2Arcs, true, 2, 16, 2, 17 },
309 { "ArcsCoincident", SLC_CASES().ArcsCoincident, false, 2, 14, 3, 14 },
310 { "ArcsCoincidentClosed", SLC_CASES().ArcsCoincidentClosed, true, 3, 14, 2, 14 },
311 { "ArcsIndependent", SLC_CASES().ArcsIndependent, false, 3, 18, 4, 18 },
312 // SegAndArcCoincident will remove the segment after SetClosed(true) and SetClosed(false)
313 // disable test for now
314 //{ "SegAndArcCoincident", SLC_CASES().SegAndArcCoincident, false, 2, 92, 2, 91 },
315 { "DuplicateArcs", SLC_CASES().DuplicateArcs, false, 4, 20, 5, 20 },
316 { "ArcAndPoint", SLC_CASES().ArcAndPoint, false, 2, 10, 3, 10 },
317 { "ArcsAndSegMixed", SLC_CASES().ArcsAndSegMixed, false, 4, 19, 5, 19 },
318 { "OnePoint", SLC_CASES().OnePoint, false, 0, 1, 0, 1 }, // no shapes
319 { "TwoPoints", SLC_CASES().TwoPoints, false, 1, 2, 2, 2 }, // there and back
320 { "ThreePoints", SLC_CASES().ThreePoints, false, 2, 3, 3, 3 },
321 };
322
323BOOST_AUTO_TEST_CASE( ToggleClosed )
324{
325 for( const CLOSE_TOGGLE_SHAPE_CASE& c : close_toggle_shape_cases )
326 {
327 BOOST_TEST_CONTEXT( c.m_ctx_name )
328 {
329 SHAPE_LINE_CHAIN slc_case = c.m_chain; // make a copy to edit
330 BOOST_CHECK( GEOM_TEST::IsOutlineValid( slc_case ) );
331 BOOST_CHECK_EQUAL( slc_case.IsClosed(), c.m_closed );
332 BOOST_CHECK_EQUAL( slc_case.ShapeCount(), c.m_shape_count );
333 BOOST_CHECK_EQUAL( slc_case.PointCount(), c.m_point_count );
334 slc_case.SetClosed( !c.m_closed );
335 BOOST_CHECK( GEOM_TEST::IsOutlineValid( slc_case ) );
336 BOOST_CHECK_EQUAL( slc_case.IsClosed(), !c.m_closed );
337 BOOST_CHECK_EQUAL( slc_case.ShapeCount(), c.m_expected_shape_count );
338 BOOST_CHECK_EQUAL( slc_case.PointCount(), c.m_expected_point_count );
339 slc_case.SetClosed( c.m_closed ); // toggle back to normal
340 BOOST_CHECK( GEOM_TEST::IsOutlineValid( slc_case ) );
341 BOOST_CHECK_EQUAL( slc_case.IsClosed(), c.m_closed );
342 BOOST_CHECK_EQUAL( slc_case.ShapeCount(), c.m_shape_count );
343 BOOST_CHECK_EQUAL( slc_case.PointCount(), c.m_point_count );
344 }
345 }
346}
347
348
349BOOST_AUTO_TEST_CASE( PointInPolygon )
350{
351 SHAPE_LINE_CHAIN outline1( { { 1316455, 913576 }, { 1316455, 901129 }, { 1321102, 901129 },
352 { 1322152, 901191 }, { 1323055, 901365 }, { 1323830, 901639 },
353 { 1324543, 902036 }, { 1325121, 902521 }, { 1325581, 903100 },
354 { 1325914, 903759 }, { 1326120, 904516 }, { 1326193, 905390 },
355 { 1326121, 906253 }, { 1325915, 907005 }, { 1325581, 907667 },
356 { 1325121, 908248 }, { 1324543, 908735 }, { 1323830, 909132 },
357 { 1323055, 909406 }, { 1322153, 909579 }, { 1321102, 909641 },
358 { 1317174, 909641 }, { 1317757, 909027 }, { 1317757, 913576 } } );
359 SHAPE_LINE_CHAIN outline2( { { 1297076, 916244 }, { 1284629, 916244 }, { 1284629, 911597 },
360 { 1284691, 910547 }, { 1284865, 909644 }, { 1285139, 908869 },
361 { 1285536, 908156 }, { 1286021, 907578 }, { 1286600, 907118 },
362 { 1287259, 906785 }, { 1288016, 906579 }, { 1288890, 906506 },
363 { 1289753, 906578 }, { 1290505, 906784 }, { 1291167, 907118 },
364 { 1291748, 907578 }, { 1292235, 908156 }, { 1292632, 908869 },
365 { 1292906, 909644 }, { 1293079, 910546 }, { 1293141, 911597 },
366 { 1293141, 915525 }, { 1292527, 914942 }, { 1297076, 914942 } } );
367
368 // Test a point inside the polygon
369 VECTOR2I point1( 1317757, 909133 );
370 VECTOR2I point2( 1292633, 914942 );
371
372 outline1.SetClosed( true );
373 outline2.SetClosed( true );
374
375 BOOST_CHECK( outline1.PointInside( point1, 0, false ) );
376 BOOST_CHECK( outline2.PointInside( point2, 0, false ) );
377}
378
379// Test that duplicate point gets removed when we call simplify
380BOOST_AUTO_TEST_CASE( SimplifyDuplicatePoint )
381{
382 SHAPE_LINE_CHAIN chain;
383
384 chain.Append( { 100, 100 } );
385 chain.Append( { 100, 100 }, true ); //duplicate point to simplify
386 chain.Append( { 200, 100 } );
387
388 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
389 BOOST_CHECK_EQUAL( chain.PointCount(), 3 );
390
391 chain.Simplify();
392
393 BOOST_CHECK_EQUAL( chain.CPoints().size(), chain.CShapes().size() );
394 BOOST_CHECK_EQUAL( chain.PointCount(), 2 ); // (-1) should have removed coincident points
395 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
396}
397
398
399// Test that duplicate point gets removed when we call simplify
400BOOST_AUTO_TEST_CASE( SimplifyKeepEndPoint )
401{
402 SHAPE_LINE_CHAIN chain;
403
404 chain.Append( { 114772424, 90949410 } );
405 chain.Append( { 114767360, 90947240 } );
406 chain.Append( { 114772429, 90947228 } );
407 chain.SetClosed( true );
408
409 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
410 BOOST_CHECK_EQUAL( chain.PointCount(), 3 );
411
412 chain.Simplify();
413
414 BOOST_CHECK_EQUAL( chain.CPoints().size(), chain.CShapes().size() );
415 BOOST_CHECK_EQUAL( chain.PointCount(), 3 );
416 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
417}
418
419
420BOOST_AUTO_TEST_CASE( SimplifyPNSChain )
421{
422 SHAPE_LINE_CHAIN chain;
423 chain.Append( VECTOR2I( 157527820, 223074385 ) );
424 chain.Append( VECTOR2I( 186541122, 159990156 ) );
425 chain.Append( VECTOR2I( 186528624, 159977658 ) );
426 chain.Append( VECTOR2I( 186528624, 159770550 ) );
427 chain.Append( VECTOR2I( 186528625, 159366691 ) );
428 chain.Append( VECTOR2I( 186541122, 159354195 ) );
429 chain.Append( VECTOR2I( 186541122, 155566877 ) );
430 chain.Append( VECTOR2I( 187291125, 154816872 ) );
431 chain.Append( VECTOR2I( 187291125, 147807837 ) );
432 chain.Append( VECTOR2I( 189301788, 145797175 ) );
433 chain.Append( VECTOR2I( 194451695, 145797175 ) );
434 chain.Append( VECTOR2I( 195021410, 146366890 ) );
435
436 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
437 BOOST_CHECK_EQUAL( chain.PointCount(), 12 );
438
439 // The chain should be open, so the points should not be simplified
440 // between the begining and the end.
441 chain.Simplify( 10 );
442
443 BOOST_CHECK_EQUAL( chain.PointCount(), 11 );
444}
445
446
447BOOST_AUTO_TEST_CASE( SimplifyComplexChain )
448{
449 SHAPE_LINE_CHAIN chain;
450
451 // Append points
452 chain.Append( { 130000, 147320 } );
453 chain.Append( { 125730, 147320 } );
454 chain.Append( { 125730, 150630 } );
455 chain.Append( { 128800, 153700 } );
456 chain.Append( { 150300, 153700 } );
457 chain.Append( { 151500, 152500 } );
458 chain.Append( { 151500, 148900 } );
459 chain.Append( { 149920, 147320 } );
460 chain.Append( { 140000, 147320 } );
461
462 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
463 BOOST_CHECK_EQUAL( chain.PointCount(), 9 );
464
465 // The chain should be open, so the points should not be simplified
466 // between the begining and the end.
467 chain.Simplify();
468
469 BOOST_CHECK_EQUAL( chain.PointCount(), 9 );
470
471 chain.SetClosed( true );
472 chain.Simplify();
473
474 BOOST_CHECK_EQUAL( chain.PointCount(), 8 );
475}
476
477struct REMOVE_SHAPE_CASE
478{
479 std::string m_ctx_name;
480 SHAPE_LINE_CHAIN m_chain;
481 int m_shape_count;
482 int m_arc_count;
483 int m_remove_index;
484 int m_expected_shape_count;
485 int m_expected_arc_count;
486};
487
488static const std::vector<REMOVE_SHAPE_CASE> remove_shape_cases =
489 {
490 { "Circle1Arc - 1st arc - index on start", SLC_CASES().Circle1Arc, 1, 1, 0, 0, 0 },
491 { "Circle1Arc - 1st arc - index on mid", SLC_CASES().Circle1Arc, 1, 1, 8, 0, 0 },
492 { "Circle1Arc - 1st arc - index on end", SLC_CASES().Circle1Arc, 1, 1, 14, 0, 0 },
493 { "Circle1Arc - 1st arc - index on -1", SLC_CASES().Circle1Arc, 1, 1, -1, 0, 0 },
494 { "Circle1Arc - invalid index", SLC_CASES().Circle1Arc, 1, 1, 15, 1, 1 },
495
496 { "Circle2Arcs - 1st arc - index on start", SLC_CASES().Circle2Arcs, 2, 2, 0, 2, 1 },
497 { "Circle2Arcs - 1st arc - index on mid", SLC_CASES().Circle2Arcs, 2, 2, 3, 2, 1 },
498 { "Circle2Arcs - 1st arc - index on end", SLC_CASES().Circle2Arcs, 2, 2, 7, 2, 1 },
499 { "Circle2Arcs - 2nd arc - index on start", SLC_CASES().Circle2Arcs, 2, 2, 8, 2, 1 },
500 { "Circle2Arcs - 2nd arc - index on mid", SLC_CASES().Circle2Arcs, 2, 2, 11, 2, 1 },
501 { "Circle2Arcs - 2nd arc - index on end", SLC_CASES().Circle2Arcs, 2, 2, 15, 2, 1 },
502 { "Circle2Arcs - 2nd arc - index on -1", SLC_CASES().Circle2Arcs, 2, 2, -1, 2, 1 },
503 { "Circle2Arcs - invalid index", SLC_CASES().Circle2Arcs, 2, 2, 16, 2, 2 },
504
505 { "ArcsCoinc. - 1st arc - idx on start", SLC_CASES().ArcsCoincident, 2, 2, 0, 1, 1 },
506 { "ArcsCoinc. - 1st arc - idx on mid", SLC_CASES().ArcsCoincident, 2, 2, 3, 1, 1 },
507 { "ArcsCoinc. - 1st arc - idx on end", SLC_CASES().ArcsCoincident, 2, 2, 7, 1, 1 },
508 { "ArcsCoinc. - 2nd arc - idx on start", SLC_CASES().ArcsCoincident, 2, 2, 8, 1, 1 },
509 { "ArcsCoinc. - 2nd arc - idx on mid", SLC_CASES().ArcsCoincident, 2, 2, 10, 1, 1 },
510 { "ArcsCoinc. - 2nd arc - idx on end", SLC_CASES().ArcsCoincident, 2, 2, 13, 1, 1 },
511 { "ArcsCoinc. - 2nd arc - idx on -1", SLC_CASES().ArcsCoincident, 2, 2, -1, 1, 1 },
512 { "ArcsCoinc. - invalid idx", SLC_CASES().ArcsCoincident, 2, 2, 14, 2, 2 },
513 { "ArcsCoinc. - 1st arc - idx on start", SLC_CASES().ArcsCoincident, 2, 2, 0, 1, 1 },
514
515 { "A.Co.Closed - 1st arc - idx on start", SLC_CASES().ArcsCoincidentClosed, 3, 2, 1, 2, 1 },
516 { "A.Co.Closed - 1st arc - idx on mid", SLC_CASES().ArcsCoincidentClosed, 3, 2, 3, 2, 1 },
517 { "A.Co.Closed - 1st arc - idx on end", SLC_CASES().ArcsCoincidentClosed, 3, 2, 7, 2, 1 },
518 { "A.Co.Closed - 2nd arc - idx on start", SLC_CASES().ArcsCoincidentClosed, 3, 2, 8, 2, 1 },
519 { "A.Co.Closed - 2nd arc - idx on mid", SLC_CASES().ArcsCoincidentClosed, 3, 2, 10, 2, 1 },
520 { "A.Co.Closed - 2nd arc - idx on end", SLC_CASES().ArcsCoincidentClosed, 3, 2, 13, 2, 1 },
521 { "A.Co.Closed - 2nd arc - idx on -1", SLC_CASES().ArcsCoincidentClosed, 3, 2, -1, 2, 1 },
522 { "A.Co.Closed - invalid idx", SLC_CASES().ArcsCoincidentClosed, 3, 2, 14, 3, 2 },
523
524 { "ArcsIndep. - 1st arc - idx on start", SLC_CASES().ArcsIndependent, 3, 2, 0, 1, 1 },
525 { "ArcsIndep. - 1st arc - idx on mid", SLC_CASES().ArcsIndependent, 3, 2, 3, 1, 1 },
526 { "ArcsIndep. - 1st arc - idx on end", SLC_CASES().ArcsIndependent, 3, 2, 8, 1, 1 },
527 { "ArcsIndep. - 2nd arc - idx on start", SLC_CASES().ArcsIndependent, 3, 2, 9, 1, 1 },
528 { "ArcsIndep. - 2nd arc - idx on mid", SLC_CASES().ArcsIndependent, 3, 2, 12, 1, 1 },
529 { "ArcsIndep. - 2nd arc - idx on end", SLC_CASES().ArcsIndependent, 3, 2, 17, 1, 1 },
530 { "ArcsIndep. - 2nd arc - idx on -1", SLC_CASES().ArcsIndependent, 3, 2, -1, 1, 1 },
531 { "ArcsIndep. - invalid idx", SLC_CASES().ArcsIndependent, 3, 2, 18, 3, 2 },
532
533 { "Dup.Arcs - 1st arc - idx on start", SLC_CASES().DuplicateArcs, 4, 3, 0, 3, 2 },
534 { "Dup.Arcs - 1st arc - idx on mid", SLC_CASES().DuplicateArcs, 4, 3, 3, 3, 2 },
535 { "Dup.Arcs - 1st arc - idx on end", SLC_CASES().DuplicateArcs, 4, 3, 7, 3, 2 },
536 { "Dup.Arcs - 2nd arc - idx on start", SLC_CASES().DuplicateArcs, 4, 3, 8, 3, 2 },
537 { "Dup.Arcs - 2nd arc - idx on mid", SLC_CASES().DuplicateArcs, 4, 3, 10, 3, 2 },
538 { "Dup.Arcs - 2nd arc - idx on end", SLC_CASES().DuplicateArcs, 4, 3, 13, 3, 2 },
539 { "Dup.Arcs - 3rd arc - idx on start", SLC_CASES().DuplicateArcs, 4, 3, 14, 2, 2 },
540 { "Dup.Arcs - 3rd arc - idx on mid", SLC_CASES().DuplicateArcs, 4, 3, 17, 2, 2 },
541 { "Dup.Arcs - 3rd arc - idx on end", SLC_CASES().DuplicateArcs, 4, 3, 19, 2, 2 },
542 { "Dup.Arcs - 3rd arc - idx on -1", SLC_CASES().DuplicateArcs, 4, 3, -1, 2, 2 },
543 { "Dup.Arcs - invalid idx", SLC_CASES().DuplicateArcs, 4, 3, 20, 4, 3 },
544
545 { "Arcs Mixed - 1st arc - idx on start", SLC_CASES().ArcsAndSegMixed, 4, 2, 0, 2, 1 },
546 { "Arcs Mixed - 1st arc - idx on mid", SLC_CASES().ArcsAndSegMixed, 4, 2, 3, 2, 1 },
547 { "Arcs Mixed - 1st arc - idx on end", SLC_CASES().ArcsAndSegMixed, 4, 2, 8, 2, 1 },
548 { "Arcs Mixed - Straight segment", SLC_CASES().ArcsAndSegMixed, 4, 2, 9, 3, 2 },
549 { "Arcs Mixed - 2nd arc - idx on start", SLC_CASES().ArcsAndSegMixed, 4, 2, 10, 2, 1 },
550 { "Arcs Mixed - 2nd arc - idx on mid", SLC_CASES().ArcsAndSegMixed, 4, 2, 14, 2, 1 },
551 { "Arcs Mixed - 2nd arc - idx on end", SLC_CASES().ArcsAndSegMixed, 4, 2, 18, 2, 1 },
552 { "Arcs Mixed - 2nd arc - idx on -1", SLC_CASES().ArcsAndSegMixed, 4, 2, -1, 2, 1 },
553 { "Arcs Mixed - invalid idx", SLC_CASES().ArcsAndSegMixed, 4, 2, 19, 4, 2 }
554 };
555
556
557BOOST_AUTO_TEST_CASE( RemoveShape )
558{
559 for( const REMOVE_SHAPE_CASE& c : remove_shape_cases )
560 {
561 BOOST_TEST_CONTEXT( c.m_ctx_name )
562 {
563 SHAPE_LINE_CHAIN slc_case = c.m_chain; // make a copy to edit
564 BOOST_CHECK_EQUAL( slc_case.ShapeCount(), c.m_shape_count );
565 BOOST_CHECK_EQUAL( slc_case.ArcCount(), c.m_arc_count );
566 BOOST_CHECK_EQUAL( GEOM_TEST::IsOutlineValid( slc_case ), true );
567 slc_case.RemoveShape( c.m_remove_index );
568 BOOST_CHECK_EQUAL( slc_case.ShapeCount(), c.m_expected_shape_count );
569 BOOST_CHECK_EQUAL( slc_case.ArcCount(), c.m_expected_arc_count );
570 BOOST_CHECK_EQUAL( GEOM_TEST::IsOutlineValid( slc_case ), true );
571 }
572 }
573}
574
575
576BOOST_AUTO_TEST_CASE( RemoveShapeAfterSimplify )
577{
578 for( const REMOVE_SHAPE_CASE& c : remove_shape_cases )
579 {
580 BOOST_TEST_CONTEXT( c.m_ctx_name )
581 {
582 SHAPE_LINE_CHAIN slc_case = c.m_chain; // make a copy to edit
583 BOOST_CHECK_EQUAL( GEOM_TEST::IsOutlineValid( slc_case ), true );
584 BOOST_CHECK_EQUAL( slc_case.ShapeCount(), c.m_shape_count );
585 BOOST_CHECK_EQUAL( slc_case.ArcCount(), c.m_arc_count );
586 slc_case.Simplify();
587 BOOST_CHECK_EQUAL( GEOM_TEST::IsOutlineValid( slc_case ), true );
588 BOOST_CHECK_EQUAL( slc_case.ShapeCount(), c.m_shape_count );
589 BOOST_CHECK_EQUAL( slc_case.ArcCount(), c.m_arc_count );
590 slc_case.RemoveShape( c.m_remove_index );
591 BOOST_CHECK_EQUAL( GEOM_TEST::IsOutlineValid( slc_case ), true );
592 BOOST_CHECK_EQUAL( slc_case.ShapeCount(), c.m_expected_shape_count );
593 BOOST_CHECK_EQUAL( slc_case.ArcCount(), c.m_expected_arc_count );
594 }
595 }
596}
597
598
599BOOST_AUTO_TEST_CASE( ShapeCount )
600{
601 BOOST_CHECK_EQUAL( Circle1Arc.ShapeCount(), 1 );
602 BOOST_CHECK_EQUAL( Circle2Arcs.ShapeCount(), 2 );
603 BOOST_CHECK_EQUAL( ArcsCoincident.ShapeCount(), 2 );
604 BOOST_CHECK_EQUAL( ArcsCoincidentClosed.ShapeCount(), 3 );
605 BOOST_CHECK_EQUAL( DuplicateArcs.ShapeCount(), 4 );
606 BOOST_CHECK_EQUAL( ArcAndPoint.ShapeCount(), 2 );
607 BOOST_CHECK_EQUAL( ArcsAndSegMixed.ShapeCount(), 4 );
608 BOOST_CHECK_EQUAL( SegAndArcCoincident.ShapeCount(), 2 );
609 BOOST_CHECK_EQUAL( EmptyChain.ShapeCount(), 0 );
610 BOOST_CHECK_EQUAL( OnePoint.ShapeCount(), 0 );
611 BOOST_CHECK_EQUAL( TwoPoints.ShapeCount(), 1 );
612 BOOST_CHECK_EQUAL( ThreePoints.ShapeCount(), 2 );
613}
614
615
616BOOST_AUTO_TEST_CASE( NextShape )
617{
618 BOOST_CHECK_EQUAL( Circle1Arc.NextShape( 0 ), -1 ); //only one arc
619
620 BOOST_CHECK_EQUAL( Circle2Arcs.NextShape( 0 ), 8 ); // next shape "Arc0b"
621 BOOST_CHECK_EQUAL( Circle2Arcs.NextShape( 8 ), -1 ); //no more shapes (last point joins with first, part of arc)
622
623 BOOST_CHECK_EQUAL( ArcsCoincident.NextShape( 0 ), 8 ); // next shape "Arc1"
624 BOOST_CHECK_EQUAL( ArcsCoincident.NextShape( 8 ), -1 ); //no more shapes
625
626 BOOST_CHECK_EQUAL( ArcsCoincidentClosed.NextShape( 0 ), 8 ); // next shape "Arc1"
627 BOOST_CHECK_EQUAL( ArcsCoincidentClosed.NextShape( 8 ), 13 ); //next shape is hidden segment joining last/first
628 BOOST_CHECK_EQUAL( ArcsCoincidentClosed.NextShape( 13 ), -1 ); //no more shapes
629
630 BOOST_CHECK_EQUAL( ArcsIndependent.NextShape( 0 ), 8 ); // next shape straight seg
631 BOOST_CHECK_EQUAL( ArcsIndependent.NextShape( 8 ), 9 ); //next shape second arc
632 BOOST_CHECK_EQUAL( ArcsIndependent.NextShape( 9 ), -1 ); //no more shapes
633
634 BOOST_CHECK_EQUAL( DuplicateArcs.NextShape( 0 ), 8 ); // next shape "Arc1"
635 BOOST_CHECK_EQUAL( DuplicateArcs.NextShape( 8 ), 13 ); // next shape hidden segment joining the 2 duplicate arcs
636 BOOST_CHECK_EQUAL( DuplicateArcs.NextShape( 13 ), 14 ); // next shape "Arc1" (duplicate)
637 BOOST_CHECK_EQUAL( DuplicateArcs.NextShape( 14 ), -1 ); //no more shapes
638
639 BOOST_CHECK_EQUAL( ArcAndPoint.NextShape( 0 ), 8 ); // next shape straight segment (end of arc->point)
640 BOOST_CHECK_EQUAL( ArcAndPoint.NextShape( 8 ), -1 ); //no more shapes
641
642 BOOST_CHECK_EQUAL( ArcsAndSegMixed.NextShape( 0 ), 8 ); // next shape straight segment (end of arc->point)
643 BOOST_CHECK_EQUAL( ArcsAndSegMixed.NextShape( 8 ), 9 ); // next shape straight segment (point->begining of arc)
644 BOOST_CHECK_EQUAL( ArcsAndSegMixed.NextShape( 9 ), 10 ); //next shape second arc
645 BOOST_CHECK_EQUAL( ArcsAndSegMixed.NextShape( 10 ), -1 ); //no more shapes
646 BOOST_CHECK_EQUAL( ArcsAndSegMixed.NextShape( 20 ), -1 ); //invalid indices should still work
647 BOOST_CHECK_EQUAL( ArcsAndSegMixed.NextShape( -50 ), -1 ); //invalid indices should still work
648
649 BOOST_CHECK_EQUAL( SegAndArcCoincident.NextShape( 0 ), 1 ); // next shape Arc3
650 BOOST_CHECK_EQUAL( SegAndArcCoincident.NextShape( 1 ), -1 ); //no more shapes
651
652 BOOST_CHECK_EQUAL( EmptyChain.NextShape( 0 ), -1 );
653 BOOST_CHECK_EQUAL( EmptyChain.NextShape( 1 ), -1 ); //invalid indices should still work
654 BOOST_CHECK_EQUAL( EmptyChain.NextShape( 2 ), -1 ); //invalid indices should still work
655 BOOST_CHECK_EQUAL( EmptyChain.NextShape( -2 ), -1 ); //invalid indices should still work
656
657 BOOST_CHECK_EQUAL( OnePoint.NextShape( 0 ), -1 );
658 BOOST_CHECK_EQUAL( OnePoint.NextShape( -1 ), -1 );
659 BOOST_CHECK_EQUAL( OnePoint.NextShape( 1 ), -1 ); //invalid indices should still work
660 BOOST_CHECK_EQUAL( OnePoint.NextShape( 2 ), -1 ); //invalid indices should still work
661 BOOST_CHECK_EQUAL( OnePoint.NextShape( -2 ), -1 ); //invalid indices should still work
662
663 BOOST_CHECK_EQUAL( TwoPoints.NextShape( 0 ), -1 );
664 BOOST_CHECK_EQUAL( TwoPoints.NextShape( 1 ), -1 );
665 BOOST_CHECK_EQUAL( TwoPoints.NextShape( -1 ), -1 );
666
667 BOOST_CHECK_EQUAL( ThreePoints.NextShape( 0 ), 1 );
668 BOOST_CHECK_EQUAL( ThreePoints.NextShape( 1 ), -1 );
669 BOOST_CHECK_EQUAL( ThreePoints.NextShape( 2 ), -1 );
670 BOOST_CHECK_EQUAL( ThreePoints.NextShape( -1 ), -1 );
671}
672
673
674
675BOOST_AUTO_TEST_CASE( AppendArc )
676{
677 BOOST_TEST_CONTEXT( "Case 1: Arc mid point nearly collinear" )
678 {
679 SHAPE_ARC arc( VECTOR2I( 100000, 0 ), VECTOR2I( 0, 2499 ), VECTOR2I( -100000, 0 ), 0 );
680 SHAPE_LINE_CHAIN chain;
681 chain.Append( arc, 5000 );
682 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
683 BOOST_CHECK_EQUAL( chain.ArcCount(), 0 );
684 BOOST_CHECK_EQUAL( chain.PointCount(), 2 );
685 BOOST_CHECK_EQUAL( chain.GetPoint( 0 ), VECTOR2I( 100000, 0 ) ); //arc start
686 BOOST_CHECK_EQUAL( chain.GetPoint( 1 ), VECTOR2I( -100000, 0 ) ); //arc end
687 BOOST_CHECK_EQUAL( chain.GetPoint( -1 ), VECTOR2I( -100000, 0 ) ); //arc end
688 }
689
690 BOOST_TEST_CONTEXT( "Case 2: Arc = Large Circle" )
691 {
692 SHAPE_ARC arc( VECTOR2I( 100000, 0 ), VECTOR2I( 0, 0 ), VECTOR2I( 100000, 0 ), 0 );
693 SHAPE_LINE_CHAIN chain;
694 chain.Append( arc, 5000 );
695 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
696 BOOST_CHECK_EQUAL( chain.ArcCount(), 1 );
697 BOOST_CHECK_EQUAL( chain.PointCount(), 10 );
698 BOOST_CHECK_EQUAL( chain.GetPoint( 0 ), VECTOR2I( 100000, 0 ) ); //arc start
699 BOOST_CHECK_EQUAL( chain.GetPoint( 9 ), VECTOR2I( 100000, 0 ) ); //arc end
700 BOOST_CHECK_EQUAL( chain.GetPoint( -1 ), VECTOR2I( 100000, 0 ) ); //arc end
701 }
702
703 BOOST_TEST_CONTEXT( "Case 3: Arc = Small Circle (approximate to point)" )
704 {
705 SHAPE_ARC arc( VECTOR2I( 2499, 0 ), VECTOR2I( 0, 0 ), VECTOR2I( 2499, 0 ), 0 );
706 SHAPE_LINE_CHAIN chain;
707 chain.Append( arc, 5000 );
708 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
709 BOOST_CHECK_EQUAL( chain.ArcCount(), 0 );
710 BOOST_CHECK_EQUAL( chain.PointCount(), 1 );
711 BOOST_CHECK_EQUAL( chain.GetPoint( 0 ), VECTOR2I( 2499, 0 ) ); //arc start
712 }
713
714 BOOST_TEST_CONTEXT( "Case 3: Small Arc (approximate to segment)" )
715 {
716 SHAPE_ARC arc( VECTOR2I( 1767, 0 ), VECTOR2I( 2499, 2499 ), VECTOR2I( 0, 1767 ), 0 );
717 SHAPE_LINE_CHAIN chain;
718 chain.Append( arc, 5000 );
719 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
720 BOOST_CHECK_EQUAL( chain.ArcCount(), 0 );
721 BOOST_CHECK_EQUAL( chain.PointCount(), 2 );
722 BOOST_CHECK_EQUAL( chain.GetPoint( 0 ), VECTOR2I( 1767, 0 ) ); //arc start
723 BOOST_CHECK_EQUAL( chain.GetPoint( 1 ), VECTOR2I( 0, 1767 ) ); //arc end
724 }
725
726 BOOST_TEST_CONTEXT( "Case 4: Arc = null arc (all points coincident)" )
727 {
728 SHAPE_ARC arc( VECTOR2I( 2499, 0 ), VECTOR2I( 2499, 0 ), VECTOR2I( 2499, 0 ), 0 );
729 SHAPE_LINE_CHAIN chain;
730 chain.Append( arc, 5000 );
731 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
732 BOOST_CHECK_EQUAL( chain.ArcCount(), 0 );
733 BOOST_CHECK_EQUAL( chain.PointCount(), 1 );
734 BOOST_CHECK_EQUAL( chain.GetPoint( 0 ), VECTOR2I( 2499, 0 ) ); //arc start
735 }
736
737 BOOST_TEST_CONTEXT( "Case 5: Arc = infinite radius (all points very close)" )
738 {
739 SHAPE_ARC arc( VECTOR2I( 2499, 0 ), VECTOR2I( 2500, 0 ), VECTOR2I( 2501, 0 ), 0 );
740 SHAPE_LINE_CHAIN chain;
741 chain.Append( arc, 5000 );
742 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
743 BOOST_CHECK_EQUAL( chain.ArcCount(), 0 );
744 BOOST_CHECK_EQUAL( chain.PointCount(), 2 );
745 BOOST_CHECK_EQUAL( chain.GetPoint( 0 ), VECTOR2I( 2499, 0 ) ); //arc start
746 BOOST_CHECK_EQUAL( chain.GetPoint( 1 ), VECTOR2I( 2501, 0 ) ); //arc end
747 }
748
749 BOOST_TEST_CONTEXT( "Case 6: Arc = large radius (all points very close)" )
750 {
751 SHAPE_ARC arc( VECTOR2I( -100000, 0 ), VECTOR2I( 0, 1 ), VECTOR2I( 100000, 0 ), 0 );
752 SHAPE_LINE_CHAIN chain;
753 chain.Append( arc, 5000 );
754 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
755 BOOST_CHECK_EQUAL( chain.ArcCount(), 0 );
756 BOOST_CHECK_EQUAL( chain.PointCount(), 2 );
757 BOOST_CHECK_EQUAL( chain.GetPoint( 0 ), VECTOR2I( -100000, 0 ) ); //arc start
758 BOOST_CHECK_EQUAL( chain.GetPoint( 1 ), VECTOR2I( 100000, 0 ) ); //arc end
759 }
760}
761
762
763// Test special case where the last arc in the chain has a shared point with the first arc
764BOOST_AUTO_TEST_CASE( ArcWrappingToStartSharedPoints )
765{
766 // represent a circle with two semicircular arcs
767 SHAPE_ARC arc1( VECTOR2I( 100000, 0 ), VECTOR2I( 0, 100000 ), VECTOR2I( -100000, 0 ), 0 );
768 SHAPE_ARC arc2( VECTOR2I( -100000, 0 ), VECTOR2I( 0, -100000 ), VECTOR2I( 100000, 0 ), 0 );
769
770 // Start a chain with the two arcs
771 SHAPE_LINE_CHAIN chain;
772 chain.Append( arc1 );
773 chain.Append( arc2 );
774 BOOST_CHECK_EQUAL( chain.PointCount(), 13 );
775 //BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
776
777 // OPEN CHAIN
778 // Start of the chain is not yet a shared point, so can't be an arc end either
779 BOOST_CHECK_EQUAL( chain.IsSharedPt( 0 ), false );
780 BOOST_CHECK_EQUAL( chain.IsArcEnd( 0 ), false );
781 BOOST_CHECK_EQUAL( chain.IsArcStart( 0 ), true );
782
783 // Index 6 is the shared point between the two arcs in the middle of the chain
784 BOOST_CHECK_EQUAL( chain.IsSharedPt( 6 ), true );
785 BOOST_CHECK_EQUAL( chain.IsArcEnd( 6 ), true );
786 BOOST_CHECK_EQUAL( chain.IsArcStart( 6 ), true );
787
788 // End index is not yet a shared point
789 int endIndex = chain.PointCount() - 1;
790 BOOST_CHECK_EQUAL( chain.IsSharedPt( endIndex ), false );
791 BOOST_CHECK_EQUAL( chain.IsArcEnd( endIndex ), true );
792 BOOST_CHECK_EQUAL( chain.IsArcStart( endIndex ), false );
793
794 for( int i = 0; i < chain.PointCount(); i++ )
795 {
796 BOOST_CHECK_EQUAL( chain.IsPtOnArc( i ), true ); // all points in the chain are arcs
797 }
798
799 // CLOSED CHAIN
800 chain.SetClosed( true );
801 BOOST_CHECK_EQUAL( chain.PointCount(), 12 ); // (-1) should have removed coincident points
802 //BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
803
804 // Start of the chain should be a shared point now, so can't be an arc end either
805 BOOST_CHECK_EQUAL( chain.IsSharedPt( 0 ), true );
806 BOOST_CHECK_EQUAL( chain.IsArcEnd( 0 ), true );
807 BOOST_CHECK_EQUAL( chain.IsArcStart( 0 ), true );
808
809 // Index 6 is the shared point between the two arcs in the middle of the chain
810 BOOST_CHECK_EQUAL( chain.IsSharedPt( 6 ), true );
811 BOOST_CHECK_EQUAL( chain.IsArcEnd( 6 ), true );
812 BOOST_CHECK_EQUAL( chain.IsArcStart( 6 ), true );
813
814 // End index is in the middle of an arc, so not an end point or shared point
815 endIndex = chain.PointCount() - 1;
816 BOOST_CHECK_EQUAL( chain.IsSharedPt( endIndex ), false );
817 BOOST_CHECK_EQUAL( chain.IsArcEnd( endIndex ), false );
818 BOOST_CHECK_EQUAL( chain.IsArcStart( endIndex ), false );
819}
820
821// Test SHAPE_LINE_CHAIN::Split()
822BOOST_AUTO_TEST_CASE( Split )
823{
824 SEG seg1( VECTOR2I( 0, 100000 ), VECTOR2I( 50000, 0 ) );
825 SEG seg2( VECTOR2I( 200000, 0 ), VECTOR2I( 300000, 0 ) );
826 SHAPE_ARC arc( VECTOR2I( 200000, 0 ), VECTOR2I( 300000, 0 ), ANGLE_180 );
827
828 // Start a chain with 2 points (seg1)
829 SHAPE_LINE_CHAIN chain( { seg1.A, seg1.B } );
830 BOOST_CHECK_EQUAL( chain.PointCount(), 2 );
831 // Add first arc
832 chain.Append( arc );
833 BOOST_CHECK_EQUAL( chain.PointCount(), 9 );
834 // Add two points (seg2)
835 chain.Append( seg2.A );
836 chain.Append( seg2.B );
837 BOOST_CHECK_EQUAL( chain.PointCount(), 11 );
838 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
839
840 BOOST_TEST_CONTEXT( "Case 1: Point not in the chain" )
841 {
842 SHAPE_LINE_CHAIN chainCopy = chain;
843 BOOST_CHECK_EQUAL( chainCopy.Split( VECTOR2I( 400000, 0 ) ), -1 );
844 BOOST_CHECK_EQUAL( chainCopy.PointCount(), chain.PointCount() );
845 BOOST_CHECK_EQUAL( chainCopy.ArcCount(), chain.ArcCount() );
846 }
847
848 BOOST_TEST_CONTEXT( "Case 2: Point close to start of a segment" )
849 {
850 SHAPE_LINE_CHAIN chainCopy = chain;
851 VECTOR2I splitPoint = seg1.A + VECTOR2I( 5, -10 );
852 BOOST_CHECK_EQUAL( chainCopy.Split( splitPoint ), 1 );
853 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chainCopy ) );
854 BOOST_CHECK_EQUAL( chainCopy.GetPoint( 1 ), splitPoint );
855 BOOST_CHECK_EQUAL( chainCopy.PointCount(), chain.PointCount() + 1 ); // new point added
856 BOOST_CHECK_EQUAL( chainCopy.ArcCount(), chain.ArcCount() );
857 }
858
859 BOOST_TEST_CONTEXT( "Case 3: Point exactly on the segment" )
860 {
861 SHAPE_LINE_CHAIN chainCopy = chain;
862 VECTOR2I splitPoint = seg1.B;
863 BOOST_CHECK_EQUAL( chainCopy.Split( splitPoint ), 1 );
864 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chainCopy ) );
865 BOOST_CHECK_EQUAL( chainCopy.GetPoint( 1 ), splitPoint );
866 BOOST_CHECK_EQUAL( chainCopy.PointCount(), chain.PointCount() );
867 BOOST_CHECK_EQUAL( chainCopy.ArcCount(), chain.ArcCount() );
868 }
869
870 BOOST_TEST_CONTEXT( "Case 4: Point at start of arc" )
871 {
872 SHAPE_LINE_CHAIN chainCopy = chain;
873 VECTOR2I splitPoint = arc.GetP0();
874 BOOST_CHECK_EQUAL( chainCopy.Split( splitPoint ), 2 );
875 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chainCopy ) );
876 BOOST_CHECK_EQUAL( chainCopy.GetPoint( 2 ), splitPoint );
877 BOOST_CHECK_EQUAL( chainCopy.PointCount(), chain.PointCount() );
878 BOOST_CHECK_EQUAL( chainCopy.ArcCount(), chain.ArcCount() );
879 }
880
881 BOOST_TEST_CONTEXT( "Case 5: Point close to start of arc" )
882 {
883 SHAPE_LINE_CHAIN chainCopy = chain;
884 VECTOR2I splitPoint = arc.GetP0() + VECTOR2I( -10, 130 );
885 BOOST_CHECK_EQUAL( chainCopy.Split( splitPoint ), 3 );
886 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chainCopy ) );
887 BOOST_CHECK_EQUAL( chainCopy.GetPoint( 3 ), splitPoint );
888 BOOST_CHECK_EQUAL( chainCopy.IsSharedPt( 3 ), true ); // must be a shared point
889 BOOST_CHECK_EQUAL( chainCopy.PointCount(), chain.PointCount() + 1 ); // new point added
890 BOOST_CHECK_EQUAL( chainCopy.ArcCount(), chain.ArcCount() + 1 ); // new arc should have been created
891 }
892}
893
894
895// Test SHAPE_LINE_CHAIN::Slice()
896BOOST_AUTO_TEST_CASE( Slice )
897{
898 SEG targetSegment( VECTOR2I( 200000, 0 ), VECTOR2I( 300000, 0 ) );
899 SHAPE_ARC firstArc( VECTOR2I( 200000, 0 ), VECTOR2I( 300000, 0 ), ANGLE_180 );
900 SHAPE_ARC secondArc( VECTOR2I( -200000, -200000 ), VECTOR2I( -300000, -100000 ), -ANGLE_180 );
901 int tol = SHAPE_ARC::DefaultAccuracyForPCB(); // Tolerance for arc collisions
902
903 // Start a chain with 3 points
904 SHAPE_LINE_CHAIN chain( { VECTOR2I( 0, 0 ), VECTOR2I( 0, 100000 ), VECTOR2I( 100000, 0 ) } );
905 BOOST_CHECK_EQUAL( chain.PointCount(), 3 );
906 // Add first arc
907 chain.Append( firstArc );
908 BOOST_CHECK_EQUAL( chain.PointCount(), 10 );
909 // Add two points (target segment)
910 chain.Append( targetSegment.A );
911 chain.Append( targetSegment.B );
912 BOOST_CHECK_EQUAL( chain.PointCount(), 12 );
913 // Add a second arc
914 chain.Append( secondArc );
915 BOOST_CHECK_EQUAL( chain.PointCount(), 20 );
916 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
917
921 BOOST_TEST_CONTEXT( "Case 1: Start at arc endpoint, finish middle of arc" )
922 {
923 SHAPE_LINE_CHAIN sliceResult = chain.Slice( 9, 18 );
924 BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
925
926 BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
927 SHAPE_ARC expectedSliceArc0;
928 expectedSliceArc0.ConstructFromStartEndCenter( secondArc.GetP0(), chain.GetPoint( 18 ),
929 secondArc.GetCenter(),
930 secondArc.IsClockwise() );
931
932 BOOST_CHECK_EQUAL( sliceResult.Arc( 0 ).GetP0(), expectedSliceArc0.GetP0() ); // equal arc start points
933 BOOST_CHECK( sliceResult.Arc( 0 ).Collide( expectedSliceArc0.GetArcMid(), tol ) );
934 BOOST_CHECK( sliceResult.Arc( 0 ).Collide( expectedSliceArc0.GetP1(), tol ) );
935
936 BOOST_CHECK_EQUAL( sliceResult.PointCount(), 10 );
937 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), firstArc.GetP1() ); // equal to arc end
938 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 1 ), targetSegment.A );
939 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 2 ), targetSegment.B );
940 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 3 ), expectedSliceArc0.GetP0() ); // equal to arc start
941 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 3 ), true );
942
943 for( int i = 4; i <= 8; i++ )
944 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
945
946 for( int i = 3; i <= 7; i++ )
947 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
948
949 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 9 ), true );
950 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 9 ), expectedSliceArc0.GetP1() ); // equal to arc end
951 }
952
956 BOOST_TEST_CONTEXT( "Case 2: Start at middle of an arc, finish at arc startpoint" )
957 {
958 SHAPE_LINE_CHAIN sliceResult = chain.Slice( 5, 12 );
959 BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
960
961 BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
962 SHAPE_ARC expectedSliceArc0;
963 expectedSliceArc0.ConstructFromStartEndCenter( chain.GetPoint( 5 ), firstArc.GetP1(),
964 firstArc.GetCenter(),
965 firstArc.IsClockwise() );
966
967 BOOST_CHECK_EQUAL( sliceResult.Arc( 0 ).GetP1(),
968 expectedSliceArc0.GetP1() ); // equal arc end points
969 BOOST_CHECK( sliceResult.Arc( 0 ).Collide( expectedSliceArc0.GetArcMid(), tol ) );
970 BOOST_CHECK( sliceResult.Arc( 0 ).Collide( expectedSliceArc0.GetP0(), tol ) );
971
972 BOOST_CHECK_EQUAL( sliceResult.PointCount(), 8 );
973 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ),
974 expectedSliceArc0.GetP0() ); // equal to arc start
975 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 0 ), true );
976
977 for( int i = 1; i <= 4; i++ )
978 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
979
980 for( int i = 0; i <= 3; i++ )
981 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
982
983 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 4 ), true );
984 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 4 ),
985 expectedSliceArc0.GetP1() ); // equal to arc end
986
987 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 5 ), targetSegment.A );
988 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 6 ), targetSegment.B );
989 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 7 ), secondArc.GetP0() );
990 }
991
995 BOOST_TEST_CONTEXT( "Case 3: Full arc, nothing else" )
996 {
997 SHAPE_LINE_CHAIN sliceResult = chain.Slice( 3, 9 );
998 BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
999
1000 BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
1001 SHAPE_ARC sliceArc0 = sliceResult.Arc( 0 );
1002
1003 // Equal arc to original inserted arc
1004 BOOST_CHECK_EQUAL( firstArc.GetP1(), sliceArc0.GetP1() );
1005 BOOST_CHECK_EQUAL( firstArc.GetArcMid(), sliceArc0.GetArcMid() );
1006 BOOST_CHECK_EQUAL( firstArc.GetP1(), sliceArc0.GetP1() );
1007
1008 BOOST_CHECK_EQUAL( sliceResult.PointCount(), 7 );
1009 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), sliceArc0.GetP0() ); // equal to arc start
1010 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 0 ), true );
1011
1012 for( int i = 1; i <= 6; i++ )
1013 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
1014
1015 for( int i = 0; i <= 5; i++ )
1016 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
1017
1018 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 6 ), true );
1019 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 6 ), sliceArc0.GetP1() ); // equal to arc end
1020 }
1021
1025 BOOST_TEST_CONTEXT( "Case 4: Full arc, and straight segments to next arc start" )
1026 {
1027 SHAPE_LINE_CHAIN sliceResult = chain.Slice( 3, 12 );
1028 BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
1029
1030 BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
1031 SHAPE_ARC sliceArc0 = sliceResult.Arc( 0 );
1032
1033 // Equal arc to original inserted arc
1034 BOOST_CHECK_EQUAL( firstArc.GetP1(), sliceArc0.GetP1() );
1035 BOOST_CHECK_EQUAL( firstArc.GetArcMid(), sliceArc0.GetArcMid() );
1036 BOOST_CHECK_EQUAL( firstArc.GetP1(), sliceArc0.GetP1() );
1037
1038 BOOST_CHECK_EQUAL( sliceResult.PointCount(), 10 );
1039 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), sliceArc0.GetP0() ); // equal to arc start
1040 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 0 ), true );
1041
1042 for( int i = 1; i <= 6; i++ )
1043 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
1044
1045 for( int i = 0; i <= 5; i++ )
1046 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
1047
1048 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 6 ), true );
1049 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 6 ), sliceArc0.GetP1() ); // equal to arc end
1050
1051 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 7 ), targetSegment.A );
1052 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 8 ), targetSegment.B );
1053 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 9 ), secondArc.GetP0() );
1054 }
1055
1056 BOOST_TEST_CONTEXT( "Case 5: Chain ends in arc and point" )
1057 {
1058 SHAPE_LINE_CHAIN chainCopy = chain;
1059 chainCopy.Append( VECTOR2I( 400000, 400000 ) );
1060
1061 SHAPE_LINE_CHAIN sliceResult = chainCopy.Slice( 11, -1 );
1062 BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
1063 BOOST_CHECK_EQUAL( sliceResult.GetPoint( -1 ), VECTOR2I( 400000, 400000 ) );
1064 }
1065
1066 BOOST_TEST_CONTEXT( "Case 6: Start to end, chain with one point" )
1067 {
1068 SHAPE_LINE_CHAIN chainCopy = SLC_CASES().OnePoint;
1069
1070 SHAPE_LINE_CHAIN sliceResult = chainCopy.Slice( 0, -1 );
1071 BOOST_CHECK_EQUAL( sliceResult.PointCount(), 1 );
1072 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), VECTOR2I( 233450000, 228360000 ) );
1073 BOOST_CHECK_EQUAL( sliceResult.GetPoint( -1 ), VECTOR2I( 233450000, 228360000 ) ); // Same as index 0
1074 }
1075
1076 BOOST_TEST_CONTEXT( "Case 7: Start to end, chain with two points" )
1077 {
1078 SHAPE_LINE_CHAIN chainCopy = SLC_CASES().TwoPoints;
1079
1080 SHAPE_LINE_CHAIN sliceResult = chainCopy.Slice( 0, -1 );
1081 BOOST_CHECK_EQUAL( sliceResult.PointCount(), 2 );
1082 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), VECTOR2I( 233450000, 228360000 ) );
1083 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 1 ), VECTOR2I( 263450000, 258360000 ) );
1084 BOOST_CHECK_EQUAL( sliceResult.GetPoint( -1 ), VECTOR2I( 263450000, 258360000 ) ); // Same as index 1
1085 }
1086
1087 BOOST_TEST_CONTEXT( "Case 8: Full 2nd arc, nothing else" )
1088 {
1089 SHAPE_LINE_CHAIN sliceResult = chain.Slice( 12, 19 );
1090 BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
1091
1092 BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
1093 SHAPE_ARC sliceArc0 = sliceResult.Arc( 0 );
1094
1095 // Equal arc to original inserted arc
1096 BOOST_CHECK_EQUAL( secondArc.GetP1(), sliceArc0.GetP1() );
1097 BOOST_CHECK_EQUAL( secondArc.GetArcMid(), sliceArc0.GetArcMid() );
1098 BOOST_CHECK_EQUAL( secondArc.GetP1(), sliceArc0.GetP1() );
1099
1100 BOOST_CHECK_EQUAL( sliceResult.PointCount(), 8 );
1101 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), sliceArc0.GetP0() ); // equal to arc start
1102 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 0 ), true );
1103
1104 for( int i = 1; i <= 7; i++ )
1105 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
1106
1107 for( int i = 0; i <= 6; i++ )
1108 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
1109
1110 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 7 ), true );
1111 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 7 ), sliceArc0.GetP1() ); // equal to arc end
1112 }
1113
1114 BOOST_TEST_CONTEXT( "Case 9: Start at middle of a 2nd arc, finish at end" )
1115 {
1116 SHAPE_LINE_CHAIN sliceResult = chain.Slice( 16, 19 );
1117 BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
1118
1119 BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
1120
1121 SHAPE_ARC expectedSliceArc0;
1122 expectedSliceArc0.ConstructFromStartEndCenter( chain.GetPoint( 16 ), secondArc.GetP1(),
1123 secondArc.GetCenter(),
1124 secondArc.IsClockwise() );
1125
1126 BOOST_CHECK_EQUAL( sliceResult.Arc( 0 ).GetP1(),
1127 expectedSliceArc0.GetP1() ); // equal arc end points
1128 BOOST_CHECK( sliceResult.Arc( 0 ).Collide( expectedSliceArc0.GetArcMid(), tol ) );
1129 BOOST_CHECK( sliceResult.Arc( 0 ).Collide( expectedSliceArc0.GetP0(), tol ) );
1130
1131 BOOST_CHECK_EQUAL( sliceResult.PointCount(), 4 );
1132 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ),
1133 expectedSliceArc0.GetP0() ); // equal to arc start
1134 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 0 ), true );
1135
1136 for( int i = 1; i <= 3; i++ )
1137 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
1138
1139 for( int i = 0; i <= 2; i++ )
1140 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
1141
1142 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 3 ), true );
1143 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 3 ),
1144 expectedSliceArc0.GetP1() ); // equal to arc end
1145 }
1146
1147 BOOST_TEST_CONTEXT( "Case 10: New chain, start at arc middle, finish at end" )
1148 {
1149 SHAPE_LINE_CHAIN chain10;
1150 chain10.Append( firstArc );
1151
1152 SHAPE_LINE_CHAIN sliceResult = chain10.Slice( 3, 6 );
1153 BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
1154
1155 BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
1156
1157 SHAPE_ARC expectedSliceArc0;
1158 expectedSliceArc0.ConstructFromStartEndCenter( chain10.GetPoint( 3 ), firstArc.GetP1(),
1159 firstArc.GetCenter(),
1160 firstArc.IsClockwise() );
1161
1162 BOOST_CHECK_EQUAL( sliceResult.Arc( 0 ).GetP1(),
1163 expectedSliceArc0.GetP1() ); // equal arc end points
1164 BOOST_CHECK( sliceResult.Arc( 0 ).Collide( expectedSliceArc0.GetArcMid(), tol ) );
1165 BOOST_CHECK( sliceResult.Arc( 0 ).Collide( expectedSliceArc0.GetP0(), tol ) );
1166
1167 BOOST_CHECK_EQUAL( sliceResult.PointCount(), 4 );
1168 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ),
1169 expectedSliceArc0.GetP0() ); // equal to arc start
1170 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 0 ), true );
1171
1172 for( int i = 1; i <= 3; i++ )
1173 BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
1174
1175 for( int i = 0; i <= 2; i++ )
1176 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
1177
1178 BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 3 ), true );
1179 BOOST_CHECK_EQUAL( sliceResult.GetPoint( 3 ),
1180 expectedSliceArc0.GetP1() ); // equal to arc end
1181 }
1182}
1183
1184
1185// Test SHAPE_LINE_CHAIN::NearestPoint( VECTOR2I )
1186BOOST_AUTO_TEST_CASE( NearestPointPt )
1187{
1188 SEG seg1( VECTOR2I( 0, 100000 ), VECTOR2I( 50000, 0 ) );
1189 SEG seg2( VECTOR2I( 200000, 0 ), VECTOR2I( 300000, 0 ) );
1190 SHAPE_ARC arc( VECTOR2I( 200000, 0 ), VECTOR2I( 300000, 0 ), ANGLE_180 );
1191
1192 // Start a chain with 2 points (seg1)
1193 SHAPE_LINE_CHAIN chain( { seg1.A, seg1.B } );
1194 BOOST_CHECK_EQUAL( chain.PointCount(), 2 );
1195 // Add first arc
1196 chain.Append( arc );
1197 BOOST_CHECK_EQUAL( chain.PointCount(), 9 );
1198 // Add two points (seg2)
1199 chain.Append( seg2.A );
1200 chain.Append( seg2.B );
1201 BOOST_CHECK_EQUAL( chain.PointCount(), 11 );
1202 BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
1203
1204 VECTOR2I ptOnArcCloseToStart( 297553, 31697 ); //should be index 3 in chain
1205 VECTOR2I ptOnArcCloseToEnd( 139709, 82983 ); //should be index 6 in chain
1206
1207 BOOST_CHECK_EQUAL( chain.NearestPoint( ptOnArcCloseToStart, true ), ptOnArcCloseToStart );
1208 BOOST_CHECK_EQUAL( chain.NearestPoint( ptOnArcCloseToStart, false ), arc.GetP0() );
1209
1210 BOOST_CHECK_EQUAL( chain.NearestPoint( ptOnArcCloseToEnd, true ), ptOnArcCloseToEnd );
1211 BOOST_CHECK_EQUAL( chain.NearestPoint( ptOnArcCloseToEnd, false ), arc.GetP1() );
1212}
1213
1214
1215// Test SHAPE_LINE_CHAIN::Replace( SHAPE_LINE_CHAIN )
1216BOOST_AUTO_TEST_CASE( ReplaceChain )
1217{
1218 BOOST_TEST_INFO( "8949 crash" );
1219
1220 std::vector<VECTOR2I> linePts = {
1221 { 206000000, 140110000 }, { 192325020, 140110000 }, { 192325020, 113348216 },
1222 { 192251784, 113274980 }, { 175548216, 113274980 }, { 175474980, 113348216 },
1223 { 175474980, 136694980 }, { 160774511, 121994511 }, { 160774511, 121693501 },
1224 { 160086499, 121005489 }, { 159785489, 121005489 }, { 159594511, 120814511 },
1225 { 160086499, 120814511 }, { 160774511, 120126499 }, { 160774511, 119153501 },
1226 { 160086499, 118465489 }, { 159113501, 118465489 }, { 158425489, 119153501 },
1227 { 158425489, 119645489 }, { 157325020, 118545020 }, { 157325020, 101925020 },
1228 { 208674980, 101925020 }, { 208674980, 145474980 }, { 192325020, 145474980 },
1229 { 192325020, 140110000 }
1230 };
1231
1232 SHAPE_LINE_CHAIN baseChain( linePts, false );
1233 baseChain.SetWidth( 250000 );
1234 BOOST_CHECK_EQUAL( baseChain.PointCount(), linePts.size() );
1235
1236 SHAPE_LINE_CHAIN replaceChain( { VECTOR2I( 192325020, 140110000 ) }, false );
1237 BOOST_CHECK_EQUAL( replaceChain.PointCount(), 1 );
1238
1239 baseChain.Replace( 1, 23, replaceChain );
1240
1241 BOOST_CHECK_EQUAL( baseChain.PointCount(), linePts.size() - ( 23 - 1 ) );
1242
1243 // Replacing the last point in a chain is special-cased
1244 baseChain.Replace( baseChain.PointCount() - 1, baseChain.PointCount() - 1, VECTOR2I( -1, -1 ) );
1245
1246 BOOST_CHECK_EQUAL( baseChain.CLastPoint(), VECTOR2I( -1, -1 ) );
1247}
1248
1249
1250BOOST_AUTO_TEST_SUITE_END()
SEG
Definition: seg.h:42
SEG::A
VECTOR2I A
Definition: seg.h:49
SEG::B
VECTOR2I B
Definition: seg.h:50
SHAPE_ARC
Definition: shape_arc.h:40
SHAPE_ARC::GetArcMid
const VECTOR2I & GetArcMid() const
Definition: shape_arc.h:118
SHAPE_ARC::IsClockwise
bool IsClockwise() const
Definition: shape_arc.h:317
SHAPE_ARC::ConstructFromStartEndCenter
SHAPE_ARC & ConstructFromStartEndCenter(const VECTOR2I &aStart, const VECTOR2I &aEnd, const VECTOR2I &aCenter, bool aClockwise=false, double aWidth=0)
Constructs this arc from the given start, end and center.
Definition: shape_arc.cpp:213
SHAPE_ARC::GetP1
const VECTOR2I & GetP1() const
Definition: shape_arc.h:117
SHAPE_ARC::Collide
bool Collide(const SEG &aSeg, int aClearance=0, int *aActual=nullptr, VECTOR2I *aLocation=nullptr) const override
Check if the boundary of shape (this) lies closer to the segment aSeg than aClearance,...
Definition: shape_arc.cpp:254
SHAPE_ARC::DefaultAccuracyForPCB
static double DefaultAccuracyForPCB()
Definition: shape_arc.h:276
SHAPE_ARC::GetP0
const VECTOR2I & GetP0() const
Definition: shape_arc.h:116
SHAPE_ARC::GetCenter
const VECTOR2I & GetCenter() const
Definition: shape_arc.cpp:849
SHAPE_LINE_CHAIN
Represent a polyline containing arcs as well as line segments: A chain of connected line and/or arc s...
Definition: shape_line_chain.h:82
SHAPE_LINE_CHAIN::IsPtOnArc
bool IsPtOnArc(size_t aPtIndex) const
Definition: shape_line_chain.cpp:2979
SHAPE_LINE_CHAIN::Arc
const SHAPE_ARC & Arc(size_t aArc) const
Definition: shape_line_chain.h:836
SHAPE_LINE_CHAIN::IsClosed
bool IsClosed() const override
Definition: shape_line_chain.h:279
SHAPE_LINE_CHAIN::GetPoint
virtual const VECTOR2I GetPoint(int aIndex) const override
Definition: shape_line_chain.h:863
SHAPE_LINE_CHAIN::Split
int Split(const VECTOR2I &aP, bool aExact=false)
Insert the point aP belonging to one of the our segments, splitting the adjacent segment in two.
Definition: shape_line_chain.cpp:1155
SHAPE_LINE_CHAIN::ShapeCount
int ShapeCount() const
Return the number of shapes (line segments or arcs) in this line chain.
Definition: shape_line_chain.cpp:1243
SHAPE_LINE_CHAIN::SetClosed
void SetClosed(bool aClosed)
Mark the line chain as closed (i.e.
Definition: shape_line_chain.h:270
SHAPE_LINE_CHAIN::Simplify
void Simplify(int aMaxError=0)
Simplify the line chain by removing colinear adjacent segments and duplicate vertices.
Definition: shape_line_chain.cpp:2521
SHAPE_LINE_CHAIN::PointCount
int PointCount() const
Return the number of points (vertices) in this line chain.
Definition: shape_line_chain.h:351
SHAPE_LINE_CHAIN::IsArcEnd
bool IsArcEnd(size_t aIndex) const
Definition: shape_line_chain.cpp:3021
SHAPE_LINE_CHAIN::Replace
void Replace(int aStartIndex, int aEndIndex, const VECTOR2I &aP)
Replace points with indices in range [start_index, end_index] with a single point aP.
Definition: shape_line_chain.cpp:973
SHAPE_LINE_CHAIN::Slice
const SHAPE_LINE_CHAIN Slice(int aStartIndex, int aEndIndex=-1) const
Return a subset of this line chain containing the [start_index, end_index] range of points.
Definition: shape_line_chain.cpp:1386
SHAPE_LINE_CHAIN::Append
void Append(int aX, int aY, bool aAllowDuplication=false)
Append a new point at the end of the line chain.
Definition: shape_line_chain.h:504
SHAPE_LINE_CHAIN::CShapes
const std::vector< std::pair< ssize_t, ssize_t > > & CShapes() const
Definition: shape_line_chain.h:436
SHAPE_LINE_CHAIN::CLastPoint
const VECTOR2I & CLastPoint() const
Return the last point in the line chain.
Definition: shape_line_chain.h:420
SHAPE_LINE_CHAIN::ArcCount
size_t ArcCount() const
Definition: shape_line_chain.h:820
SHAPE_LINE_CHAIN::RemoveShape
void RemoveShape(int aPointIndex)
Remove the shape at the given index from the line chain.
Definition: shape_line_chain.cpp:1354
SHAPE_LINE_CHAIN::IsArcStart
bool IsArcStart(size_t aIndex) const
Definition: shape_line_chain.cpp:3007
SHAPE_LINE_CHAIN::SetWidth
void SetWidth(int aWidth)
Set the width of all segments in the chain.
Definition: shape_line_chain.h:289
SHAPE_LINE_CHAIN::IsSharedPt
bool IsSharedPt(size_t aIndex) const
Test if a point is shared between multiple shapes.
Definition: shape_line_chain.cpp:2971
SHAPE_LINE_CHAIN::CPoints
const std::vector< VECTOR2I > & CPoints() const
Definition: shape_line_chain.h:412
ANGLE_180
static constexpr EDA_ANGLE ANGLE_180
Definition: eda_angle.h:405
geom_test_utils.h
GEOM_TEST::IsOutlineValid
bool IsOutlineValid(const SHAPE_LINE_CHAIN &aChain)
Verify that a SHAPE_LINE_CHAIN has been assembled correctly by ensuring that the arc start and end po...
Definition: geom_test_utils.h:209
numeric.h
Numerical test predicates.
shape_arc.h
shape_line_chain.h
CLOSE_TOGGLE_SHAPE_CASE
Definition: test_shape_line_chain.cpp:295
CLOSE_TOGGLE_SHAPE_CASE::m_expected_point_count
int m_expected_point_count
Definition: test_shape_line_chain.cpp:302
CLOSE_TOGGLE_SHAPE_CASE::m_shape_count
int m_shape_count
Definition: test_shape_line_chain.cpp:299
CLOSE_TOGGLE_SHAPE_CASE::m_chain
SHAPE_LINE_CHAIN m_chain
Definition: test_shape_line_chain.cpp:297
CLOSE_TOGGLE_SHAPE_CASE::m_ctx_name
std::string m_ctx_name
Definition: test_shape_line_chain.cpp:296
CLOSE_TOGGLE_SHAPE_CASE::m_point_count
int m_point_count
Definition: test_shape_line_chain.cpp:300
CLOSE_TOGGLE_SHAPE_CASE::m_expected_shape_count
int m_expected_shape_count
Definition: test_shape_line_chain.cpp:301
CLOSE_TOGGLE_SHAPE_CASE::m_closed
bool m_closed
Definition: test_shape_line_chain.cpp:298
REMOVE_SHAPE_CASE
Definition: test_shape_line_chain.cpp:478
REMOVE_SHAPE_CASE::m_shape_count
int m_shape_count
Definition: test_shape_line_chain.cpp:481
REMOVE_SHAPE_CASE::m_expected_arc_count
int m_expected_arc_count
Definition: test_shape_line_chain.cpp:485
REMOVE_SHAPE_CASE::m_arc_count
int m_arc_count
Definition: test_shape_line_chain.cpp:482
REMOVE_SHAPE_CASE::m_expected_shape_count
int m_expected_shape_count
Definition: test_shape_line_chain.cpp:484
REMOVE_SHAPE_CASE::m_chain
SHAPE_LINE_CHAIN m_chain
Definition: test_shape_line_chain.cpp:480
REMOVE_SHAPE_CASE::m_ctx_name
std::string m_ctx_name
Definition: test_shape_line_chain.cpp:479
REMOVE_SHAPE_CASE::m_remove_index
int m_remove_index
Definition: test_shape_line_chain.cpp:483
SLC_CASES
NOTE: Collision of SHAPE_LINE_CHAIN with arcs is tested in test_shape_arc.cpp.
Definition: test_shape_line_chain.cpp:39
SLC_CASES::EmptyChain
SHAPE_LINE_CHAIN EmptyChain
Definition: test_shape_line_chain.cpp:49
SLC_CASES::Circle1Arc
SHAPE_LINE_CHAIN Circle1Arc
Definition: test_shape_line_chain.cpp:40
SLC_CASES::ArcsCoincident
SHAPE_LINE_CHAIN ArcsCoincident
Definition: test_shape_line_chain.cpp:42
SLC_CASES::Arc1
SHAPE_ARC Arc1
start coincident with Arc0a end
Definition: test_shape_line_chain.cpp:57
SLC_CASES::Arc2
SHAPE_ARC Arc2
Independent arc.
Definition: test_shape_line_chain.cpp:58
SLC_CASES::Arc3
SHAPE_ARC Arc3
Arc with angle >180.
Definition: test_shape_line_chain.cpp:59
SLC_CASES::Arc0a
SHAPE_ARC Arc0a
First half of a circle.
Definition: test_shape_line_chain.cpp:55
SLC_CASES::DuplicateArcs
SHAPE_LINE_CHAIN DuplicateArcs
Definition: test_shape_line_chain.cpp:45
SLC_CASES::Circle2Arcs
SHAPE_LINE_CHAIN Circle2Arcs
Definition: test_shape_line_chain.cpp:41
SLC_CASES::ArcsCoincidentClosed
SHAPE_LINE_CHAIN ArcsCoincidentClosed
Definition: test_shape_line_chain.cpp:43
SLC_CASES::SLC_CASES
SLC_CASES()
Definition: test_shape_line_chain.cpp:61
SLC_CASES::TwoPoints
SHAPE_LINE_CHAIN TwoPoints
Definition: test_shape_line_chain.cpp:51
SLC_CASES::SegAndArcCoincident
SHAPE_LINE_CHAIN SegAndArcCoincident
Definition: test_shape_line_chain.cpp:48
SLC_CASES::ArcsIndependent
SHAPE_LINE_CHAIN ArcsIndependent
Definition: test_shape_line_chain.cpp:44
SLC_CASES::ArcCircle
SHAPE_ARC ArcCircle
Full Circle arc.
Definition: test_shape_line_chain.cpp:54
SLC_CASES::ThreePoints
SHAPE_LINE_CHAIN ThreePoints
Definition: test_shape_line_chain.cpp:52
SLC_CASES::ArcAndPoint
SHAPE_LINE_CHAIN ArcAndPoint
Definition: test_shape_line_chain.cpp:47
SLC_CASES::ArcsAndSegMixed
SHAPE_LINE_CHAIN ArcsAndSegMixed
Definition: test_shape_line_chain.cpp:46
SLC_CASES::OnePoint
SHAPE_LINE_CHAIN OnePoint
Definition: test_shape_line_chain.cpp:50
SLC_CASES::Arc0b
SHAPE_ARC Arc0b
Second half of a circle.
Definition: test_shape_line_chain.cpp:56
BOOST_AUTO_TEST_SUITE_END
BOOST_AUTO_TEST_SUITE_END()
close_toggle_shape_cases
static const std::vector< CLOSE_TOGGLE_SHAPE_CASE > close_toggle_shape_cases
Definition: test_shape_line_chain.cpp:305
BOOST_AUTO_TEST_CASE
BOOST_AUTO_TEST_CASE(ClipperConstructorCase1)
Definition: test_shape_line_chain.cpp:129
remove_shape_cases
static const std::vector< REMOVE_SHAPE_CASE > remove_shape_cases
Definition: test_shape_line_chain.cpp:488
unit_test_utils.h
VECTOR2I
VECTOR2< int32_t > VECTOR2I
Definition: vector2d.h:695