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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 #include "PathOpsTestCommon.h" | 7 #include "PathOpsTestCommon.h" |
8 #include "SkIntersections.h" | 8 #include "SkIntersections.h" |
9 #include "SkPathOpsLine.h" | 9 #include "SkPathOpsLine.h" |
10 #include "Test.h" | 10 #include "Test.h" |
11 | 11 |
12 // FIXME: add tests for intersecting, non-intersecting, degenerate, coincident | 12 // FIXME: add tests for intersecting, non-intersecting, degenerate, coincident |
13 static const SkDLine tests[][2] = { | 13 static const SkDLine tests[][2] = { |
14 {{{{0.00010360032320022583, 1.0172703415155411}, {0.00014114845544099808, 1.0200
891587883234}}}, | |
15 {{{0.00010259449481964111, 1.017270140349865}, {0.00018215179443359375, 1.02289
0567779541}}}}, | |
16 | |
17 #if 0 | 14 #if 0 |
18 // these do intersect at a pair of points, but not close enough for check re
sults liking | 15 // these do intersect at a pair of points, but not close enough for check re
sults liking |
19 {{{{365.848175,5081.15186}, {368,5103}}}, {{{367.967712,5102.61084}, {368.27
8717,5105.71045}}}}, | 16 {{{{365.848175,5081.15186}, {368,5103}}}, {{{367.967712,5102.61084}, {368.27
8717,5105.71045}}}}, |
20 #endif | 17 #endif |
21 {{{{30,20}, {30,50}}}, {{{24,30}, {36,30}}}}, | 18 {{{{30,20}, {30,50}}}, {{{24,30}, {36,30}}}}, |
22 {{{{323,193}, {-317,193}}}, {{{0,994}, {0,0}}}}, | 19 {{{{323,193}, {-317,193}}}, {{{0,994}, {0,0}}}}, |
23 {{{{90,230}, {160,60}}}, {{{60,120}, {260,120}}}}, | 20 {{{{90,230}, {160,60}}}, {{{60,120}, {260,120}}}}, |
24 {{{{90,230}, {160,60}}}, {{{181.176468,120}, {135.294128,120}}}}, | 21 {{{{90,230}, {160,60}}}, {{{181.176468,120}, {135.294128,120}}}}, |
25 {{{{181.1764678955078125f, 120}, {186.3661956787109375f, 134.7042236328125f}
}}, | 22 {{{{181.1764678955078125f, 120}, {186.3661956787109375f, 134.7042236328125f}
}}, |
26 {{{175.8309783935546875f, 141.5211334228515625f}, {187.8782806396484375f, 1
33.7258148193359375f}}}}, | 23 {{{175.8309783935546875f, 141.5211334228515625f}, {187.8782806396484375f, 1
33.7258148193359375f}}}}, |
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
78 {{{{186.3661956787109375f, 134.7042236328125f}, {187.8782806396484375f, 133.
7258148193359375f}}}, | 75 {{{{186.3661956787109375f, 134.7042236328125f}, {187.8782806396484375f, 133.
7258148193359375f}}}, |
79 {{{175.8309783935546875f, 141.5211334228515625f}, {187.8782806396484375f, 1
33.7258148193359375f}}}}, | 76 {{{175.8309783935546875f, 141.5211334228515625f}, {187.8782806396484375f, 1
33.7258148193359375f}}}}, |
80 | 77 |
81 {{{{235.681549, 531.000000}, {280.318420, 321.000000}}}, | 78 {{{{235.681549, 531.000000}, {280.318420, 321.000000}}}, |
82 {{{286.695129, 291.000000}, {229.304855, 561.000000}}}}, | 79 {{{286.695129, 291.000000}, {229.304855, 561.000000}}}}, |
83 }; | 80 }; |
84 | 81 |
85 static const size_t coincidentTests_count = SK_ARRAY_COUNT(coincidentTests); | 82 static const size_t coincidentTests_count = SK_ARRAY_COUNT(coincidentTests); |
86 | 83 |
87 static void check_results(skiatest::Reporter* reporter, const SkDLine& line1, co
nst SkDLine& line2, | 84 static void check_results(skiatest::Reporter* reporter, const SkDLine& line1, co
nst SkDLine& line2, |
88 const SkIntersections& ts, bool nearAllowed) { | 85 const SkIntersections& ts) { |
89 for (int i = 0; i < ts.used(); ++i) { | 86 for (int i = 0; i < ts.used(); ++i) { |
90 SkDPoint result1 = line1.ptAtT(ts[0][i]); | 87 SkDPoint result1 = line1.ptAtT(ts[0][i]); |
91 SkDPoint result2 = line2.ptAtT(ts[1][i]); | 88 SkDPoint result2 = line2.ptAtT(ts[1][i]); |
92 if (nearAllowed && result1.roughlyEqual(result2)) { | |
93 continue; | |
94 } | |
95 if (!result1.approximatelyEqual(result2) && !ts.nearlySame(i)) { | 89 if (!result1.approximatelyEqual(result2) && !ts.nearlySame(i)) { |
96 REPORTER_ASSERT(reporter, ts.used() != 1); | 90 REPORTER_ASSERT(reporter, ts.used() != 1); |
97 result2 = line2.ptAtT(ts[1][i ^ 1]); | 91 result2 = line2.ptAtT(ts[1][i ^ 1]); |
98 if (!result1.approximatelyEqual(result2)) { | 92 if (!result1.approximatelyEqual(result2)) { |
99 SkDebugf("."); | 93 SkDebugf("."); |
100 } | 94 } |
101 REPORTER_ASSERT(reporter, result1.approximatelyEqual(result2)); | 95 REPORTER_ASSERT(reporter, result1.approximatelyEqual(result2)); |
102 REPORTER_ASSERT(reporter, result1.approximatelyEqual(ts.pt(i).asSkPo
int())); | 96 REPORTER_ASSERT(reporter, result1.approximatelyEqual(ts.pt(i).asSkPo
int())); |
103 } | 97 } |
104 } | 98 } |
105 } | 99 } |
106 | 100 |
107 static void testOne(skiatest::Reporter* reporter, const SkDLine& line1, const Sk
DLine& line2, | 101 static void testOne(skiatest::Reporter* reporter, const SkDLine& line1, const Sk
DLine& line2) { |
108 bool nearAllowed) { | |
109 SkASSERT(ValidLine(line1)); | 102 SkASSERT(ValidLine(line1)); |
110 SkASSERT(ValidLine(line2)); | 103 SkASSERT(ValidLine(line2)); |
111 SkIntersections i; | 104 SkIntersections i; |
112 i.allowNear(nearAllowed); | |
113 int pts = i.intersect(line1, line2); | 105 int pts = i.intersect(line1, line2); |
114 REPORTER_ASSERT(reporter, pts); | 106 REPORTER_ASSERT(reporter, pts); |
115 REPORTER_ASSERT(reporter, pts == i.used()); | 107 REPORTER_ASSERT(reporter, pts == i.used()); |
116 check_results(reporter, line1, line2, i, nearAllowed); | 108 check_results(reporter, line1, line2, i); |
117 if (line1[0] == line1[1] || line2[0] == line2[1]) { | 109 if (line1[0] == line1[1] || line2[0] == line2[1]) { |
118 return; | 110 return; |
119 } | 111 } |
120 if (line1[0].fY == line1[1].fY) { | 112 if (line1[0].fY == line1[1].fY) { |
121 double left = SkTMin(line1[0].fX, line1[1].fX); | 113 double left = SkTMin(line1[0].fX, line1[1].fX); |
122 double right = SkTMax(line1[0].fX, line1[1].fX); | 114 double right = SkTMax(line1[0].fX, line1[1].fX); |
123 SkIntersections ts; | 115 SkIntersections ts; |
124 ts.horizontal(line2, left, right, line1[0].fY, line1[0].fX != left); | 116 ts.horizontal(line2, left, right, line1[0].fY, line1[0].fX != left); |
125 check_results(reporter, line2, line1, ts, nearAllowed); | 117 check_results(reporter, line2, line1, ts); |
126 } | 118 } |
127 if (line2[0].fY == line2[1].fY) { | 119 if (line2[0].fY == line2[1].fY) { |
128 double left = SkTMin(line2[0].fX, line2[1].fX); | 120 double left = SkTMin(line2[0].fX, line2[1].fX); |
129 double right = SkTMax(line2[0].fX, line2[1].fX); | 121 double right = SkTMax(line2[0].fX, line2[1].fX); |
130 SkIntersections ts; | 122 SkIntersections ts; |
131 ts.horizontal(line1, left, right, line2[0].fY, line2[0].fX != left); | 123 ts.horizontal(line1, left, right, line2[0].fY, line2[0].fX != left); |
132 check_results(reporter, line1, line2, ts, nearAllowed); | 124 check_results(reporter, line1, line2, ts); |
133 } | 125 } |
134 if (line1[0].fX == line1[1].fX) { | 126 if (line1[0].fX == line1[1].fX) { |
135 double top = SkTMin(line1[0].fY, line1[1].fY); | 127 double top = SkTMin(line1[0].fY, line1[1].fY); |
136 double bottom = SkTMax(line1[0].fY, line1[1].fY); | 128 double bottom = SkTMax(line1[0].fY, line1[1].fY); |
137 SkIntersections ts; | 129 SkIntersections ts; |
138 ts.vertical(line2, top, bottom, line1[0].fX, line1[0].fY != top); | 130 ts.vertical(line2, top, bottom, line1[0].fX, line1[0].fY != top); |
139 check_results(reporter, line2, line1, ts, nearAllowed); | 131 check_results(reporter, line2, line1, ts); |
140 } | 132 } |
141 if (line2[0].fX == line2[1].fX) { | 133 if (line2[0].fX == line2[1].fX) { |
142 double top = SkTMin(line2[0].fY, line2[1].fY); | 134 double top = SkTMin(line2[0].fY, line2[1].fY); |
143 double bottom = SkTMax(line2[0].fY, line2[1].fY); | 135 double bottom = SkTMax(line2[0].fY, line2[1].fY); |
144 SkIntersections ts; | 136 SkIntersections ts; |
145 ts.vertical(line1, top, bottom, line2[0].fX, line2[0].fY != top); | 137 ts.vertical(line1, top, bottom, line2[0].fX, line2[0].fY != top); |
146 check_results(reporter, line1, line2, ts, nearAllowed); | 138 check_results(reporter, line1, line2, ts); |
147 } | 139 } |
148 reporter->bumpTestCount(); | 140 reporter->bumpTestCount(); |
149 } | 141 } |
150 | 142 |
151 static void testOneCoincident(skiatest::Reporter* reporter, const SkDLine& line1
, | 143 static void testOneCoincident(skiatest::Reporter* reporter, const SkDLine& line1
, |
152 const SkDLine& line2) { | 144 const SkDLine& line2) { |
153 SkASSERT(ValidLine(line1)); | 145 SkASSERT(ValidLine(line1)); |
154 SkASSERT(ValidLine(line2)); | 146 SkASSERT(ValidLine(line2)); |
155 SkIntersections ts; | 147 SkIntersections ts; |
156 int pts = ts.intersect(line1, line2); | 148 int pts = ts.intersect(line1, line2); |
157 REPORTER_ASSERT(reporter, pts == 2); | 149 REPORTER_ASSERT(reporter, pts == 2); |
158 REPORTER_ASSERT(reporter, pts == ts.used()); | 150 REPORTER_ASSERT(reporter, pts == ts.used()); |
159 check_results(reporter, line1, line2, ts, false); | 151 check_results(reporter, line1, line2, ts); |
160 if (line1[0] == line1[1] || line2[0] == line2[1]) { | 152 if (line1[0] == line1[1] || line2[0] == line2[1]) { |
161 return; | 153 return; |
162 } | 154 } |
163 if (line1[0].fY == line1[1].fY) { | 155 if (line1[0].fY == line1[1].fY) { |
164 double left = SkTMin(line1[0].fX, line1[1].fX); | 156 double left = SkTMin(line1[0].fX, line1[1].fX); |
165 double right = SkTMax(line1[0].fX, line1[1].fX); | 157 double right = SkTMax(line1[0].fX, line1[1].fX); |
166 SkIntersections ts; | 158 SkIntersections ts; |
167 ts.horizontal(line2, left, right, line1[0].fY, line1[0].fX != left); | 159 ts.horizontal(line2, left, right, line1[0].fY, line1[0].fX != left); |
168 REPORTER_ASSERT(reporter, pts == 2); | 160 REPORTER_ASSERT(reporter, pts == 2); |
169 REPORTER_ASSERT(reporter, pts == ts.used()); | 161 REPORTER_ASSERT(reporter, pts == ts.used()); |
170 check_results(reporter, line2, line1, ts, false); | 162 check_results(reporter, line2, line1, ts); |
171 } | 163 } |
172 if (line2[0].fY == line2[1].fY) { | 164 if (line2[0].fY == line2[1].fY) { |
173 double left = SkTMin(line2[0].fX, line2[1].fX); | 165 double left = SkTMin(line2[0].fX, line2[1].fX); |
174 double right = SkTMax(line2[0].fX, line2[1].fX); | 166 double right = SkTMax(line2[0].fX, line2[1].fX); |
175 SkIntersections ts; | 167 SkIntersections ts; |
176 ts.horizontal(line1, left, right, line2[0].fY, line2[0].fX != left); | 168 ts.horizontal(line1, left, right, line2[0].fY, line2[0].fX != left); |
177 REPORTER_ASSERT(reporter, pts == 2); | 169 REPORTER_ASSERT(reporter, pts == 2); |
178 REPORTER_ASSERT(reporter, pts == ts.used()); | 170 REPORTER_ASSERT(reporter, pts == ts.used()); |
179 check_results(reporter, line1, line2, ts, false); | 171 check_results(reporter, line1, line2, ts); |
180 } | 172 } |
181 if (line1[0].fX == line1[1].fX) { | 173 if (line1[0].fX == line1[1].fX) { |
182 double top = SkTMin(line1[0].fY, line1[1].fY); | 174 double top = SkTMin(line1[0].fY, line1[1].fY); |
183 double bottom = SkTMax(line1[0].fY, line1[1].fY); | 175 double bottom = SkTMax(line1[0].fY, line1[1].fY); |
184 SkIntersections ts; | 176 SkIntersections ts; |
185 ts.vertical(line2, top, bottom, line1[0].fX, line1[0].fY != top); | 177 ts.vertical(line2, top, bottom, line1[0].fX, line1[0].fY != top); |
186 REPORTER_ASSERT(reporter, pts == 2); | 178 REPORTER_ASSERT(reporter, pts == 2); |
187 REPORTER_ASSERT(reporter, pts == ts.used()); | 179 REPORTER_ASSERT(reporter, pts == ts.used()); |
188 check_results(reporter, line2, line1, ts, false); | 180 check_results(reporter, line2, line1, ts); |
189 } | 181 } |
190 if (line2[0].fX == line2[1].fX) { | 182 if (line2[0].fX == line2[1].fX) { |
191 double top = SkTMin(line2[0].fY, line2[1].fY); | 183 double top = SkTMin(line2[0].fY, line2[1].fY); |
192 double bottom = SkTMax(line2[0].fY, line2[1].fY); | 184 double bottom = SkTMax(line2[0].fY, line2[1].fY); |
193 SkIntersections ts; | 185 SkIntersections ts; |
194 ts.vertical(line1, top, bottom, line2[0].fX, line2[0].fY != top); | 186 ts.vertical(line1, top, bottom, line2[0].fX, line2[0].fY != top); |
195 REPORTER_ASSERT(reporter, pts == 2); | 187 REPORTER_ASSERT(reporter, pts == 2); |
196 REPORTER_ASSERT(reporter, pts == ts.used()); | 188 REPORTER_ASSERT(reporter, pts == ts.used()); |
197 check_results(reporter, line1, line2, ts, false); | 189 check_results(reporter, line1, line2, ts); |
198 } | 190 } |
199 reporter->bumpTestCount(); | 191 reporter->bumpTestCount(); |
200 } | 192 } |
201 | 193 |
202 DEF_TEST(PathOpsLineIntersection, reporter) { | 194 DEF_TEST(PathOpsLineIntersection, reporter) { |
203 size_t index; | 195 size_t index; |
204 for (index = 0; index < coincidentTests_count; ++index) { | 196 for (index = 0; index < coincidentTests_count; ++index) { |
205 const SkDLine& line1 = coincidentTests[index][0]; | 197 const SkDLine& line1 = coincidentTests[index][0]; |
206 const SkDLine& line2 = coincidentTests[index][1]; | 198 const SkDLine& line2 = coincidentTests[index][1]; |
207 testOneCoincident(reporter, line1, line2); | 199 testOneCoincident(reporter, line1, line2); |
208 } | 200 } |
209 for (index = 0; index < tests_count; ++index) { | 201 for (index = 0; index < tests_count; ++index) { |
210 const SkDLine& line1 = tests[index][0]; | 202 const SkDLine& line1 = tests[index][0]; |
211 const SkDLine& line2 = tests[index][1]; | 203 const SkDLine& line2 = tests[index][1]; |
212 testOne(reporter, line1, line2, true); | 204 testOne(reporter, line1, line2); |
213 } | 205 } |
214 for (index = 0; index < noIntersect_count; ++index) { | 206 for (index = 0; index < noIntersect_count; ++index) { |
215 const SkDLine& line1 = noIntersect[index][0]; | 207 const SkDLine& line1 = noIntersect[index][0]; |
216 const SkDLine& line2 = noIntersect[index][1]; | 208 const SkDLine& line2 = noIntersect[index][1]; |
217 SkIntersections ts; | 209 SkIntersections ts; |
218 int pts = ts.intersect(line1, line2); | 210 int pts = ts.intersect(line1, line2); |
219 REPORTER_ASSERT(reporter, !pts); | 211 REPORTER_ASSERT(reporter, !pts); |
220 REPORTER_ASSERT(reporter, pts == ts.used()); | 212 REPORTER_ASSERT(reporter, pts == ts.used()); |
221 reporter->bumpTestCount(); | 213 reporter->bumpTestCount(); |
222 } | 214 } |
223 } | 215 } |
224 | 216 |
225 DEF_TEST(PathOpsLineIntersectionOneOff, reporter) { | 217 DEF_TEST(PathOpsLineIntersectionOneOff, reporter) { |
226 int index = 0; | 218 int index = 0; |
227 SkASSERT(index < (int) tests_count); | 219 SkASSERT(index < (int) tests_count); |
228 testOne(reporter, tests[index][0], tests[index][1], true); | 220 testOne(reporter, tests[index][0], tests[index][1]); |
229 } | 221 testOne(reporter, tests[1][0], tests[1][1]); |
230 | |
231 DEF_TEST(PathOpsLineIntersectionExactOneOff, reporter) { | |
232 int index = 0; | |
233 SkASSERT(index < (int) tests_count); | |
234 testOne(reporter, tests[index][0], tests[index][1], false); | |
235 } | 222 } |
236 | 223 |
237 DEF_TEST(PathOpsLineIntersectionOneCoincident, reporter) { | 224 DEF_TEST(PathOpsLineIntersectionOneCoincident, reporter) { |
238 int index = 0; | 225 int index = 0; |
239 SkASSERT(index < (int) coincidentTests_count); | 226 SkASSERT(index < (int) coincidentTests_count); |
240 const SkDLine& line1 = coincidentTests[index][0]; | 227 const SkDLine& line1 = coincidentTests[index][0]; |
241 const SkDLine& line2 = coincidentTests[index][1]; | 228 const SkDLine& line2 = coincidentTests[index][1]; |
242 testOneCoincident(reporter, line1, line2); | 229 testOneCoincident(reporter, line1, line2); |
243 } | 230 } |
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