caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | #include "PathOpsQuadIntersectionTestData.h" |
caryclark@google.com | 8d0a524 | 2013-07-16 16:11:16 +0000 | [diff] [blame] | 8 | #include "PathOpsTestCommon.h" |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 9 | #include "SkIntersections.h" |
| 10 | #include "SkPathOpsRect.h" |
| 11 | #include "SkReduceOrder.h" |
| 12 | #include "Test.h" |
| 13 | |
| 14 | static void standardTestCases(skiatest::Reporter* reporter) { |
| 15 | bool showSkipped = false; |
| 16 | for (size_t index = 0; index < quadraticTests_count; ++index) { |
| 17 | const SkDQuad& quad1 = quadraticTests[index][0]; |
caryclark@google.com | 8d0a524 | 2013-07-16 16:11:16 +0000 | [diff] [blame] | 18 | SkASSERT(ValidQuad(quad1)); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 19 | const SkDQuad& quad2 = quadraticTests[index][1]; |
caryclark@google.com | 8d0a524 | 2013-07-16 16:11:16 +0000 | [diff] [blame] | 20 | SkASSERT(ValidQuad(quad2)); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 21 | SkReduceOrder reduce1, reduce2; |
caryclark@google.com | 927b702 | 2013-11-25 14:18:21 +0000 | [diff] [blame] | 22 | int order1 = reduce1.reduce(quad1); |
| 23 | int order2 = reduce2.reduce(quad2); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 24 | if (order1 < 3) { |
| 25 | if (showSkipped) { |
| 26 | SkDebugf("[%d] quad1 order=%d\n", static_cast<int>(index), order1); |
| 27 | } |
| 28 | } |
| 29 | if (order2 < 3) { |
| 30 | if (showSkipped) { |
| 31 | SkDebugf("[%d] quad2 order=%d\n", static_cast<int>(index), order2); |
| 32 | } |
| 33 | } |
| 34 | if (order1 == 3 && order2 == 3) { |
| 35 | SkIntersections intersections; |
| 36 | intersections.intersect(quad1, quad2); |
| 37 | if (intersections.used() > 0) { |
| 38 | for (int pt = 0; pt < intersections.used(); ++pt) { |
| 39 | double tt1 = intersections[0][pt]; |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 40 | SkDPoint xy1 = quad1.ptAtT(tt1); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 41 | double tt2 = intersections[1][pt]; |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 42 | SkDPoint xy2 = quad2.ptAtT(tt2); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 43 | if (!xy1.approximatelyEqual(xy2)) { |
| 44 | SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n", |
| 45 | __FUNCTION__, static_cast<int>(index), pt, tt1, xy1.fX, xy1.fY, |
| 46 | tt2, xy2.fX, xy2.fY); |
| 47 | REPORTER_ASSERT(reporter, 0); |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | } |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | static const SkDQuad testSet[] = { |
caryclark | 80a83ad | 2014-08-12 05:49:37 -0700 | [diff] [blame] | 56 | {{{441.853149, 308.209106}, {434.672272, 315.389984}, {424.516998, 315.389984}}}, |
| 57 | {{{385.207275, 334.241272}, {406.481598, 312.96698}, {436.567993, 312.96698}}}, |
| 58 | |
commit-bot@chromium.org | 4431e77 | 2014-04-14 17:08:59 +0000 | [diff] [blame] | 59 | {{{-708.00779269310044, -154.36998607290101}, {-707.90560262312511, -154.36998607290101}, {-707.8333433370193, -154.44224536635932}}}, |
| 60 | {{{-708.00779269310044, -154.61669472244046}, {-701.04513225634582, -128.85970734043804}, {505.58447265625, -504.9130859375}}}, |
| 61 | |
skia.committer@gmail.com | f54ad6f | 2013-11-02 07:02:02 +0000 | [diff] [blame] | 62 | {{{164, -40}, {231.51681518554687, -40}, {279.25839233398438, 7.7416000366210938}}}, |
| 63 | {{{279.25839233398438, 7.7416000366210938}, {275.2164306640625, 3.6996400356292725}, {271.03286743164062, -5.3290705182007514e-015}}}, |
caryclark@google.com | a2bbc6e | 2013-11-01 17:36:03 +0000 | [diff] [blame] | 64 | |
skia.committer@gmail.com | b0a0589 | 2013-10-03 07:01:37 +0000 | [diff] [blame] | 65 | {{{2.9999997378517067, 1.9737872594345709}, {2.9999997432230918, 1.9739647181863822}, {1.2414155459263587e-163, 5.2957833941332142e-315}}}, |
| 66 | {{{2.9999047485265304, 1.9739164225694723}, {3.0000947268526112, 1.9738379076623633}, {0.61149411077591886, 0.0028382324376270418}}}, |
| 67 | |
| 68 | {{{2.9999996843656502, 1.9721416019045801}, {2.9999997725237835, 1.9749798343422071}, |
| 69 | {5.3039068214821359e-315, 8.9546185262775165e-307}}}, |
| 70 | {{{2.9984791443874976, 1.974505741312242}, {2.9999992702127476, 1.9738772171479178}, |
| 71 | {3.0015187977319759, 1.9732495027303418}}}, |
caryclark@google.com | 7eaa53d | 2013-10-02 14:49:34 +0000 | [diff] [blame] | 72 | |
skia.committer@gmail.com | 977409a | 2013-07-16 07:00:56 +0000 | [diff] [blame] | 73 | {{{0.647069409,2.97691634}, {0.946860918,3.17625612}, {1.46875407,2.65105457}}}, |
| 74 | {{{0,1}, {0.723699095,2.82756208}, {1.08907197,2.97497449}}}, |
caryclark@google.com | fa2aeee | 2013-07-15 13:29:13 +0000 | [diff] [blame] | 75 | |
caryclark@google.com | cffbcc3 | 2013-06-04 17:59:42 +0000 | [diff] [blame] | 76 | {{{131.37418,11414.9825}, {130.28798,11415.9328}, {130.042755,11417.4131}}}, |
| 77 | {{{130.585787,11418.4142}, {130.021447,11417.8498}, {130,11417}}}, |
| 78 | |
| 79 | {{{130.73167037963867, 11418.546386718750}, {131.26360225677490, 11418.985778808592}, |
| 80 | {132, 11419 }}}, |
| 81 | {{{132, 11419}, {131.15012693405151, 11418.978546142578}, |
| 82 | {130.58578681945801, 11418.414184570313}}}, |
| 83 | |
| 84 | {{{132, 11419}, |
| 85 | {130.73167037963867, 11418.546386718750}, {131.26360225677490, 11418.985778808592}}}, |
| 86 | {{{131.15012693405151, 11418.978546142578}, |
| 87 | {130.58578681945801, 11418.414184570313}, {132, 11419}}}, |
| 88 | |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 89 | {{{3.0774019473063863, 3.35198509346713}, {3.0757503498668397, 3.327320623945933}, |
| 90 | {3.0744102085015879, 3.3025879417907196}}}, |
| 91 | {{{3.053913680774329, 3.3310471586283938}, {3.0758730889691694, 3.3273466070370152}, |
| 92 | {3.0975671980059394, 3.3235031316554351}}}, |
| 93 | |
| 94 | {{{3.39068129, 4.44939202}, {3.03659239, 3.81843234}, {3.06844529, 3.02100922}}}, |
| 95 | {{{2.10714698, 3.44196686}, {3.12180288, 3.38575704}, {3.75968569, 3.1281838}}}, |
| 96 | |
| 97 | {{{2.74792918, 4.77711896}, {2.82236867, 4.23882547}, {2.82848144, 3.63729341}}}, |
| 98 | {{{2.62772567, 3.64823958}, {3.46652495, 3.64258364}, {4.1425079, 3.48623815}}}, |
| 99 | |
| 100 | {{{1.34375, 2.03125}, {2.2734375, 2.6640625}, {3.25, 3.25}}}, |
| 101 | {{{3.96875, 4.65625}, {3.3359375, 3.7265625}, {2.75, 2.75}}}, |
| 102 | |
| 103 | {{{0, 1}, {0.324417544, 2.27953848}, {0.664376547, 2.58940267}}}, |
| 104 | {{{1, 2}, {0.62109375, 2.70703125}, {0.640625, 2.546875}}}, |
| 105 | |
| 106 | {{{1, 2}, {0.984375, 2.3359375}, {1.0625, 2.15625}}}, |
| 107 | {{{0, 1}, {0.983539095, 2.30041152}, {1.47325103, 2.61316872}}}, |
| 108 | |
| 109 | {{{4.09011926, 2.20971038}, {4.74608133, 1.9335932}, {5.02469918, 2.00694987}}}, |
| 110 | {{{2.79472921, 1.73568666}, {3.36246373, 1.21251209}, {5, 2}}}, |
| 111 | |
| 112 | {{{1.80814127, 2.41537795}, {2.23475077, 2.05922313}, {3.16529668, 1.98358763}}}, |
| 113 | {{{2.16505631, 2.55782454}, {2.40541285, 2.02193091}, {2.99836023, 1.68247638}}}, |
| 114 | |
| 115 | {{{3, 1.875}, {3.375, 1.54296875}, {3.375, 1.421875}}}, |
| 116 | {{{3.375, 1.421875}, {3.3749999999999996, 1.3007812499999998}, {3, 2}}}, |
| 117 | |
| 118 | {{{3.34, 8.98}, {2.83363281, 9.4265625}, {2.83796875, 9.363125}}}, |
| 119 | {{{2.83796875, 9.363125}, {2.84230469, 9.2996875}, {3.17875, 9.1725}}}, |
| 120 | |
| 121 | {{{2.7279999999999998, 3.024}, {2.5600000000000005, 2.5600000000000005}, |
| 122 | {2.1520000000000001, 1.8560000000000001}}}, |
| 123 | {{{0.66666666666666652, 1.1481481481481481}, {1.3333333333333326, 1.3333333333333335}, |
| 124 | {2.6666666666666665, 2.1851851851851851}}}, |
| 125 | |
| 126 | {{{2.728, 3.024}, {2.56, 2.56}, {2.152, 1.856}}}, |
| 127 | {{{0.666666667, 1.14814815}, {1.33333333, 1.33333333}, {2.66666667, 2.18518519}}}, |
| 128 | |
| 129 | {{{0.875, 1.5}, {1.03125, 1.11022302e-16}, {1, 0}}}, |
| 130 | {{{0.875, 0.859375}, {1.6875, 0.73046875}, {2.5, 0.625}}}, |
| 131 | |
| 132 | {{{1.64451042, 0.0942001592}, {1.53635465, 0.00152863961}, {1, 0}}}, |
| 133 | {{{1.27672209, 0.15}, {1.32143477, 9.25185854e-17}, {1, 0}}}, |
| 134 | |
| 135 | {{{0, 0}, {0.51851851851851849, 1.0185185185185186}, {1.2592592592592591, 1.9259259259259258}}}, |
| 136 | {{{1.2592592592592593, 1.9259259259259265}, {0.51851851851851893, 1.0185185185185195}, {0, 0}}}, |
| 137 | |
| 138 | {{{1.93281168, 2.58856757}, {2.38543691, 2.7096125}, {2.51967352, 2.34531784}}}, |
| 139 | {{{2.51967352, 2.34531784}, {2.65263731, 2.00639194}, {3.1212119, 1.98608967}}}, |
| 140 | {{{2.09544533, 2.51981963}, {2.33331524, 2.25252128}, {2.92003302, 2.39442311}}}, |
| 141 | |
| 142 | {{{0.924337655, 1.94072717}, {1.25185043, 1.52836494}, {1.71793901, 1.06149951}}}, |
| 143 | {{{0.940798831, 1.67439357}, {1.25988251, 1.39778567}, {1.71791672, 1.06650313}}}, |
| 144 | |
| 145 | {{{0.924337655, 1.94072717}, {1.39158994, 1.32418496}, {2.14967426, 0.687365435}}}, |
| 146 | {{{0.940798831, 1.67439357}, {1.48941875, 1.16280321}, {2.47884711, 0.60465921}}}, |
| 147 | |
| 148 | {{{1.7465749139282332, 1.9930452039527999}, {1.8320006564080331, 1.859481345189089}, |
| 149 | {1.8731035127758437, 1.6344055934266613}}}, |
| 150 | {{{1.8731035127758437, 1.6344055934266613}, {1.89928170345231, 1.5006405518943067}, |
| 151 | {1.9223833226085514, 1.3495796165215643}}}, |
| 152 | {{{1.74657491, 1.9930452}, {1.87407679, 1.76762853}, {1.92238332, 1.34957962}}}, |
| 153 | {{{0.60797907, 1.68776977}, {1.0447864, 1.50810914}, {1.87464474, 1.63655092}}}, |
| 154 | {{{1.87464474, 1.63655092}, {2.70450308, 1.76499271}, {4, 3}}}, |
| 155 | |
| 156 | {{{1.2071879545809394, 0.82163474041730045}, {1.1534203513372994, 0.52790870069930229}, |
| 157 | {1.0880000000000001, 0.29599999999999982}}}, //t=0.63155333662549329,0.80000000000000004 |
| 158 | {{{0.33333333333333326, 0.81481481481481488}, {0.63395173631977997, 0.68744136726313931}, |
| 159 | {1.205684411948591, 0.81344322326274499}}}, |
| 160 | {{{0.33333333333333326, 0.81481481481481488}, {0.63396444791444551, 0.68743368362444768}, |
| 161 | {1.205732763658403, 0.81345617746834109}}}, //t=0.33333333333333331, 0.63396444791444551 |
| 162 | {{{1.205684411948591, 0.81344322326274499}, {1.2057085875611198, 0.81344969999329253}, |
| 163 | {1.205732763658403, 0.81345617746834109}}}, |
| 164 | |
| 165 | {{{1.20718795, 0.82163474}, {1.15342035, 0.527908701}, {1.088, 0.296}}}, |
| 166 | {{{1.20568441, 0.813443223}, {1.20570859, 0.8134497}, {1.20573276, 0.813456177}}}, |
| 167 | |
| 168 | {{{41.5072916, 87.1234036}, {28.2747836, 80.9545395}, {23.5780771, 69.3344126}}}, |
| 169 | {{{72.9633878, 95.6593007}, {42.7738746, 88.4730382}, {31.1932785, 80.2458029}}}, |
| 170 | |
| 171 | {{{31.1663962, 54.7302484}, {31.1662882, 54.7301074}, {31.1663969, 54.7302485}}}, |
| 172 | {{{26.0404936, 45.4260361}, {27.7887523, 33.1863051}, {40.8833242, 26.0301855}}}, |
| 173 | |
| 174 | {{{29.9404074, 49.1672596}, {44.3131071, 45.3915253}, {58.1067559, 59.5061814}}}, |
| 175 | {{{72.6510251, 64.2972928}, {53.6989659, 60.1862397}, {35.2053722, 44.8391126}}}, |
| 176 | |
| 177 | {{{52.14807018377202, 65.012420045148644}, {44.778669050208237, 66.315562705604378}, |
| 178 | {51.619118408823567, 63.787827046262684}}}, |
| 179 | {{{30.004993234763383, 93.921296668202288}, {53.384822003076991, 60.732180341802753}, |
| 180 | {58.652998934338584, 43.111073088306185}}}, |
| 181 | |
| 182 | {{{80.897794748143198, 49.236332042718459}, {81.082078218891212, 64.066749904488631}, |
| 183 | {69.972305057149981, 72.968595519850993}}}, |
| 184 | {{{72.503745601281395, 32.952320736577882}, {88.030880716061645, 38.137194847810164}, |
| 185 | {73.193774825517906, 67.773492479591397}}}, |
| 186 | |
| 187 | {{{67.426548091427676, 37.993772624988935}, {51.129513170665035, 57.542281234563646}, |
| 188 | {44.594748190899189, 65.644267382683879}}}, |
| 189 | {{{61.336508189019057, 82.693132843213675}, {54.825078921449354, 71.663932799212432}, |
| 190 | {47.727444217558926, 61.4049645128392}}}, |
| 191 | |
| 192 | {{{67.4265481, 37.9937726}, {51.1295132, 57.5422812}, {44.5947482, 65.6442674}}}, |
| 193 | {{{61.3365082, 82.6931328}, {54.8250789, 71.6639328}, {47.7274442, 61.4049645}}}, |
| 194 | |
| 195 | {{{53.774852327053594, 53.318060789841951}, {45.787877803416805, 51.393492026284981}, |
| 196 | {46.703936967162392, 53.06860709822206}}}, |
| 197 | {{{46.703936967162392, 53.06860709822206}, {47.619996130907957, 54.74372217015916}, |
| 198 | {53.020051653535361, 48.633140968832024}}}, |
| 199 | |
| 200 | {{{50.934805397717923, 51.52391952648901}, {56.803308902971423, 44.246234610627596}, |
| 201 | {69.776888596721406, 40.166645096692555}}}, |
| 202 | {{{50.230212796400401, 38.386469101526998}, {49.855620812184917, 38.818990392153609}, |
| 203 | {56.356567496227363, 47.229909093319407}}}, |
| 204 | |
| 205 | {{{36.148792695174222, 70.336952793070424}, {36.141613037691357, 70.711654739870085}, |
| 206 | {36.154708826402597, 71.088492662905836}}}, |
| 207 | {{{35.216235592661825, 70.580199617313212}, {36.244476835123969, 71.010897787304074}, |
| 208 | {37.230244263238326, 71.423156953613102}}}, |
| 209 | |
| 210 | // this pair is nearly coincident, and causes the quartic code to produce bad |
| 211 | // data. Mathematica doesn't think they touch. Graphically, I can't tell. |
| 212 | // it may not be so bad to pretend that they don't touch, if I can detect that |
| 213 | {{{369.848602, 145.680267}, {382.360413, 121.298294}, {406.207703, 121.298294}}}, |
| 214 | {{{369.850525, 145.675964}, {382.362915, 121.29287}, {406.211273, 121.29287}}}, |
| 215 | |
| 216 | {{{33.567436351153468, 62.336347586395924}, {35.200980274619084, 65.038561460144479}, |
| 217 | {36.479571811084995, 67.632178905412445}}}, |
| 218 | {{{41.349524945572696, 67.886658677862641}, {39.125562529359087, 67.429772735149214}, |
| 219 | {35.600314083992416, 66.705372160552685}}}, |
| 220 | |
| 221 | {{{67.25299631583178, 21.109080184767524}, {43.617595267398613, 33.658034168577529}, |
| 222 | {33.38371819435676, 44.214192553988745}}}, |
| 223 | {{{40.476838859398541, 39.543209911285999}, {36.701186108431131, 34.8817994016458}, |
| 224 | {30.102144288878023, 26.739063172945315}}}, |
| 225 | |
| 226 | {{{25.367434474345036, 50.4712103169743}, {17.865013304933097, 37.356741010559439}, |
| 227 | {16.818988838905465, 37.682915484123129}}}, |
| 228 | {{{16.818988838905465, 37.682915484123129}, {15.772964372877833, 38.009089957686811}, |
| 229 | {20.624104547604965, 41.825131596683121}}}, |
| 230 | |
| 231 | {{{26.440225044088567, 79.695009812848298}, {26.085525979582247, 83.717928354134784}, |
| 232 | {27.075079976297072, 84.820633667838905}}}, |
| 233 | {{{27.075079976297072, 84.820633667838905}, {28.276546859574015, 85.988574184029034}, |
| 234 | {25.649263209500006, 87.166762066617025}}}, |
| 235 | |
| 236 | {{{34.879150914024962, 83.862726601601125}, {35.095810134304429, 83.693473210169543}, |
| 237 | {35.359284111931586, 83.488069234177502}}}, |
| 238 | {{{54.503204203015471, 76.094098492518242}, {51.366889541918894, 71.609856061299155}, |
| 239 | {46.53086955445437, 69.949863036494207}}}, |
| 240 | |
| 241 | {{{0, 0}, {1, 0}, {0, 3}}}, |
| 242 | {{{1, 0}, {0, 1}, {1, 1}}}, |
| 243 | {{{369.961151, 137.980698}, {383.970093, 121.298294}, {406.213287, 121.298294}}}, |
| 244 | {{{353.2948, 194.351074}, {353.2948, 173.767563}, {364.167572, 160.819855}}}, |
| 245 | {{{360.416077, 166.795715}, {370.126831, 147.872162}, {388.635406, 147.872162}}}, |
| 246 | {{{406.236359, 121.254936}, {409.445679, 121.254936}, {412.975952, 121.789818}}}, |
| 247 | {{{406.235992, 121.254936}, {425.705902, 121.254936}, {439.71994, 137.087616}}}, |
| 248 | |
| 249 | {{{369.8543701171875, 145.66734313964844}, {382.36788940429688, 121.28203582763672}, |
| 250 | {406.21844482421875, 121.28203582763672}}}, |
| 251 | {{{369.96469116210938, 137.96672058105469}, {383.97555541992188, 121.28203582763672}, |
| 252 | {406.2218017578125, 121.28203582763672}}}, |
| 253 | |
| 254 | {{{369.962311, 137.976044}, {383.971893, 121.29287}, {406.216125, 121.29287}}}, |
| 255 | |
| 256 | {{{400.121704, 149.468719}, {391.949493, 161.037186}, {391.949493, 181.202423}}}, |
| 257 | {{{391.946747, 181.839218}, {391.946747, 155.62442}, {406.115479, 138.855438}}}, |
| 258 | {{{360.048828125, 229.2578125}, {360.048828125, 224.4140625}, {362.607421875, 221.3671875}}}, |
| 259 | {{{362.607421875, 221.3671875}, {365.166015625, 218.3203125}, {369.228515625, 218.3203125}}}, |
| 260 | {{{8, 8}, {10, 10}, {8, -10}}}, |
| 261 | {{{8, 8}, {12, 12}, {14, 4}}}, |
| 262 | {{{8, 8}, {9, 9}, {10, 8}}} |
| 263 | }; |
| 264 | |
caryclark@google.com | ad65a3e | 2013-04-15 19:13:59 +0000 | [diff] [blame] | 265 | const size_t testSetCount = SK_ARRAY_COUNT(testSet); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 266 | |
| 267 | static void oneOffTest1(skiatest::Reporter* reporter, size_t outer, size_t inner) { |
| 268 | const SkDQuad& quad1 = testSet[outer]; |
caryclark@google.com | 8d0a524 | 2013-07-16 16:11:16 +0000 | [diff] [blame] | 269 | SkASSERT(ValidQuad(quad1)); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 270 | const SkDQuad& quad2 = testSet[inner]; |
caryclark@google.com | 8d0a524 | 2013-07-16 16:11:16 +0000 | [diff] [blame] | 271 | SkASSERT(ValidQuad(quad2)); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 272 | SkIntersections intersections2; |
| 273 | intersections2.intersect(quad1, quad2); |
| 274 | for (int pt = 0; pt < intersections2.used(); ++pt) { |
| 275 | double tt1 = intersections2[0][pt]; |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 276 | SkDPoint xy1 = quad1.ptAtT(tt1); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 277 | double tt2 = intersections2[1][pt]; |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 278 | SkDPoint xy2 = quad2.ptAtT(tt2); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 279 | if (!xy1.approximatelyEqual(xy2)) { |
| 280 | SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n", |
| 281 | __FUNCTION__, static_cast<int>(outer), static_cast<int>(inner), |
| 282 | tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY); |
| 283 | REPORTER_ASSERT(reporter, 0); |
| 284 | } |
| 285 | #if ONE_OFF_DEBUG |
| 286 | SkDebugf("%s [%d][%d] t1=%1.9g (%1.9g, %1.9g) t2=%1.9g\n", __FUNCTION__, |
| 287 | outer, inner, tt1, xy1.fX, xy1.fY, tt2); |
| 288 | #endif |
| 289 | } |
| 290 | } |
| 291 | |
tfarina@chromium.org | 78e7b4e | 2014-01-02 21:45:03 +0000 | [diff] [blame] | 292 | DEF_TEST(PathOpsQuadIntersectionOneOff, reporter) { |
caryclark@google.com | cffbcc3 | 2013-06-04 17:59:42 +0000 | [diff] [blame] | 293 | oneOffTest1(reporter, 0, 1); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | static void oneOffTests(skiatest::Reporter* reporter) { |
| 297 | for (size_t outer = 0; outer < testSetCount - 1; ++outer) { |
| 298 | for (size_t inner = outer + 1; inner < testSetCount; ++inner) { |
| 299 | oneOffTest1(reporter, outer, inner); |
| 300 | } |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | static const SkDQuad coincidentTestSet[] = { |
caryclark@google.com | 7eaa53d | 2013-10-02 14:49:34 +0000 | [diff] [blame] | 305 | #if 0 |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 306 | {{{97.9337615966796875,100}, {88,112.94264984130859375}, {88,130}}}, |
| 307 | {{{88,130}, {88,124.80951690673828125}, {88.91983795166015625,120}}}, |
caryclark@google.com | 7eaa53d | 2013-10-02 14:49:34 +0000 | [diff] [blame] | 308 | #endif |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 309 | {{{369.850525, 145.675964}, {382.362915, 121.29287}, {406.211273, 121.29287}}}, |
| 310 | {{{369.850525, 145.675964}, {382.362915, 121.29287}, {406.211273, 121.29287}}}, |
| 311 | {{{8, 8}, {10, 10}, {8, -10}}}, |
| 312 | {{{8, -10}, {10, 10}, {8, 8}}}, |
| 313 | }; |
| 314 | |
commit-bot@chromium.org | 4431e77 | 2014-04-14 17:08:59 +0000 | [diff] [blame] | 315 | static const int coincidentTestSetCount = (int) SK_ARRAY_COUNT(coincidentTestSet); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 316 | |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 317 | static void coincidentTestOne(skiatest::Reporter* reporter, int test1, int test2) { |
| 318 | const SkDQuad& quad1 = coincidentTestSet[test1]; |
| 319 | SkASSERT(ValidQuad(quad1)); |
| 320 | const SkDQuad& quad2 = coincidentTestSet[test2]; |
| 321 | SkASSERT(ValidQuad(quad2)); |
| 322 | SkIntersections intersections2; |
| 323 | intersections2.intersect(quad1, quad2); |
| 324 | REPORTER_ASSERT(reporter, intersections2.coincidentUsed() == 2); |
| 325 | REPORTER_ASSERT(reporter, intersections2.used() == 2); |
| 326 | for (int pt = 0; pt < intersections2.coincidentUsed(); ++pt) { |
| 327 | double tt1 = intersections2[0][pt]; |
| 328 | double tt2 = intersections2[1][pt]; |
| 329 | SkDPoint pt1 = quad1.ptAtT(tt1); |
| 330 | SkDPoint pt2 = quad2.ptAtT(tt2); |
| 331 | REPORTER_ASSERT(reporter, pt1.approximatelyEqual(pt2)); |
| 332 | } |
| 333 | } |
| 334 | |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 335 | static void coincidentTest(skiatest::Reporter* reporter) { |
commit-bot@chromium.org | 4431e77 | 2014-04-14 17:08:59 +0000 | [diff] [blame] | 336 | for (int testIndex = 0; testIndex < coincidentTestSetCount - 1; testIndex += 2) { |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 337 | coincidentTestOne(reporter, testIndex, testIndex + 1); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 338 | } |
| 339 | } |
| 340 | |
tfarina@chromium.org | 78e7b4e | 2014-01-02 21:45:03 +0000 | [diff] [blame] | 341 | DEF_TEST(PathOpsQuadIntersectionCoincidenceOneOff, reporter) { |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 342 | coincidentTestOne(reporter, 0, 1); |
| 343 | } |
| 344 | |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 345 | static int floatSign(double x) { |
| 346 | return x < 0 ? -1 : x > 0 ? 1 : 0; |
| 347 | } |
| 348 | |
| 349 | static const SkDQuad pointFinderTestSet[] = { |
| 350 | //>=0.633974464 0.633974846 <= |
| 351 | {{{1.2071879545809394, 0.82163474041730045}, {1.1534203513372994, 0.52790870069930229}, |
| 352 | {1.0880000000000001, 0.29599999999999982}}}, //t=0.63155333662549329, 0.80000000000000004 |
| 353 | {{{1.2071879545809394, 0.82163474041730045}, {1.2065040319428038, 0.81766753259119995}, |
| 354 | {1.2058123269101506, 0.81370135061854221}}}, //t=0.63155333662549329, 0.6339049773632347 |
| 355 | {{{1.2058123269101506, 0.81370135061854221}, {1.152376363978022, 0.5244097415381026}, |
| 356 | {1.0880000000000001, 0.29599999999999982}}}, //t=0.6339049773632347, 0.80000000000000004 |
| 357 | //>=0.633974083 0.633975227 <= |
| 358 | {{{0.33333333333333326, 0.81481481481481488}, {0.63395173631977997, 0.68744136726313931}, |
| 359 | {1.205684411948591, 0.81344322326274499}}}, //t=0.33333333333333331, 0.63395173631977986 |
| 360 | {{{0.33333333333333326, 0.81481481481481488}, {0.63396444791444551, 0.68743368362444768}, |
| 361 | {1.205732763658403, 0.81345617746834109}}}, //t=0.33333333333333331, 0.63396444791444551 |
| 362 | {{{1.205684411948591, 0.81344322326274499}, {1.2057085875611198, 0.81344969999329253}, |
| 363 | {1.205732763658403, 0.81345617746834109}}}, //t=0.63395173631977986, 0.63396444791444551 |
| 364 | {{{1.205732763658403, 0.81345617746834109}, {1.267928895828891, 0.83008534558465619}, |
| 365 | {1.3333333333333333, 0.85185185185185175}}}, //t=0.63396444791444551, 0.66666666666666663 |
| 366 | }; |
| 367 | |
| 368 | static void pointFinder(const SkDQuad& q1, const SkDQuad& q2) { |
| 369 | for (int index = 0; index < 3; ++index) { |
| 370 | double t = q1.nearestT(q2[index]); |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 371 | SkDPoint onQuad = q1.ptAtT(t); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 372 | SkDebugf("%s t=%1.9g (%1.9g,%1.9g) dist=%1.9g\n", __FUNCTION__, t, onQuad.fX, onQuad.fY, |
| 373 | onQuad.distance(q2[index])); |
| 374 | double left[3]; |
| 375 | left[0] = ((const SkDLine&) q1[0]).isLeft(q2[index]); |
| 376 | left[1] = ((const SkDLine&) q1[1]).isLeft(q2[index]); |
| 377 | SkDLine diag = {{q1[0], q1[2]}}; |
| 378 | left[2] = diag.isLeft(q2[index]); |
| 379 | SkDebugf("%s left=(%d, %d, %d) inHull=%s\n", __FUNCTION__, floatSign(left[0]), |
| 380 | floatSign(left[1]), floatSign(left[2]), |
| 381 | q1.pointInHull(q2[index]) ? "true" : "false"); |
| 382 | } |
| 383 | SkDebugf("\n"); |
| 384 | } |
| 385 | |
| 386 | static void hullIntersect(const SkDQuad& q1, const SkDQuad& q2) { |
| 387 | SkDebugf("%s", __FUNCTION__); |
| 388 | SkIntersections ts; |
| 389 | for (int i1 = 0; i1 < 3; ++i1) { |
| 390 | SkDLine l1 = {{q1[i1], q1[(i1 + 1) % 3]}}; |
| 391 | for (int i2 = 0; i2 < 3; ++i2) { |
| 392 | SkDLine l2 = {{q2[i2], q2[(i2 + 1) % 3]}}; |
| 393 | if (ts.intersect(l1, l2)) { |
| 394 | SkDebugf(" [%d,%d]", i1, i2); |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | SkDebugf("\n"); |
| 399 | } |
| 400 | |
| 401 | static void QuadraticIntersection_PointFinder() { |
| 402 | pointFinder(pointFinderTestSet[0], pointFinderTestSet[4]); |
| 403 | pointFinder(pointFinderTestSet[4], pointFinderTestSet[0]); |
| 404 | pointFinder(pointFinderTestSet[0], pointFinderTestSet[6]); |
| 405 | pointFinder(pointFinderTestSet[6], pointFinderTestSet[0]); |
| 406 | hullIntersect(pointFinderTestSet[0], pointFinderTestSet[4]); |
| 407 | hullIntersect(pointFinderTestSet[0], pointFinderTestSet[6]); |
| 408 | } |
| 409 | |
| 410 | static void intersectionFinder(int test1, int test2) { |
| 411 | const SkDQuad& quad1 = testSet[test1]; |
| 412 | const SkDQuad& quad2 = testSet[test2]; |
| 413 | |
| 414 | double t1Seed = 0.5; |
| 415 | double t2Seed = 0.8; |
| 416 | double t1Step = 0.1; |
| 417 | double t2Step = 0.1; |
| 418 | SkDPoint t1[3], t2[3]; |
| 419 | bool toggle = true; |
| 420 | do { |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 421 | t1[0] = quad1.ptAtT(t1Seed - t1Step); |
| 422 | t1[1] = quad1.ptAtT(t1Seed); |
| 423 | t1[2] = quad1.ptAtT(t1Seed + t1Step); |
| 424 | t2[0] = quad2.ptAtT(t2Seed - t2Step); |
| 425 | t2[1] = quad2.ptAtT(t2Seed); |
| 426 | t2[2] = quad2.ptAtT(t2Seed + t2Step); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 427 | double dist[3][3]; |
| 428 | dist[1][1] = t1[1].distance(t2[1]); |
| 429 | int best_i = 1, best_j = 1; |
| 430 | for (int i = 0; i < 3; ++i) { |
| 431 | for (int j = 0; j < 3; ++j) { |
| 432 | if (i == 1 && j == 1) { |
| 433 | continue; |
| 434 | } |
| 435 | dist[i][j] = t1[i].distance(t2[j]); |
| 436 | if (dist[best_i][best_j] > dist[i][j]) { |
| 437 | best_i = i; |
| 438 | best_j = j; |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | if (best_i == 0) { |
| 443 | t1Seed -= t1Step; |
| 444 | } else if (best_i == 2) { |
| 445 | t1Seed += t1Step; |
| 446 | } |
| 447 | if (best_j == 0) { |
| 448 | t2Seed -= t2Step; |
| 449 | } else if (best_j == 2) { |
| 450 | t2Seed += t2Step; |
| 451 | } |
| 452 | if (best_i == 1 && best_j == 1) { |
| 453 | if ((toggle ^= true)) { |
| 454 | t1Step /= 2; |
| 455 | } else { |
| 456 | t2Step /= 2; |
| 457 | } |
| 458 | } |
| 459 | } while (!t1[1].approximatelyEqual(t2[1])); |
| 460 | t1Step = t2Step = 0.1; |
| 461 | double t10 = t1Seed - t1Step * 2; |
| 462 | double t12 = t1Seed + t1Step * 2; |
| 463 | double t20 = t2Seed - t2Step * 2; |
| 464 | double t22 = t2Seed + t2Step * 2; |
| 465 | SkDPoint test; |
| 466 | while (!approximately_zero(t1Step)) { |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 467 | test = quad1.ptAtT(t10); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 468 | t10 += t1[1].approximatelyEqual(test) ? -t1Step : t1Step; |
| 469 | t1Step /= 2; |
| 470 | } |
| 471 | t1Step = 0.1; |
| 472 | while (!approximately_zero(t1Step)) { |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 473 | test = quad1.ptAtT(t12); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 474 | t12 -= t1[1].approximatelyEqual(test) ? -t1Step : t1Step; |
| 475 | t1Step /= 2; |
| 476 | } |
| 477 | while (!approximately_zero(t2Step)) { |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 478 | test = quad2.ptAtT(t20); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 479 | t20 += t2[1].approximatelyEqual(test) ? -t2Step : t2Step; |
| 480 | t2Step /= 2; |
| 481 | } |
| 482 | t2Step = 0.1; |
| 483 | while (!approximately_zero(t2Step)) { |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 484 | test = quad2.ptAtT(t22); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 485 | t22 -= t2[1].approximatelyEqual(test) ? -t2Step : t2Step; |
| 486 | t2Step /= 2; |
| 487 | } |
| 488 | #if ONE_OFF_DEBUG |
| 489 | SkDebugf("%s t1=(%1.9g<%1.9g<%1.9g) t2=(%1.9g<%1.9g<%1.9g)\n", __FUNCTION__, |
| 490 | t10, t1Seed, t12, t20, t2Seed, t22); |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 491 | SkDPoint p10 = quad1.ptAtT(t10); |
| 492 | SkDPoint p1Seed = quad1.ptAtT(t1Seed); |
| 493 | SkDPoint p12 = quad1.ptAtT(t12); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 494 | SkDebugf("%s p1=(%1.9g,%1.9g)<(%1.9g,%1.9g)<(%1.9g,%1.9g)\n", __FUNCTION__, |
| 495 | p10.fX, p10.fY, p1Seed.fX, p1Seed.fY, p12.fX, p12.fY); |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 496 | SkDPoint p20 = quad2.ptAtT(t20); |
| 497 | SkDPoint p2Seed = quad2.ptAtT(t2Seed); |
| 498 | SkDPoint p22 = quad2.ptAtT(t22); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 499 | SkDebugf("%s p2=(%1.9g,%1.9g)<(%1.9g,%1.9g)<(%1.9g,%1.9g)\n", __FUNCTION__, |
| 500 | p20.fX, p20.fY, p2Seed.fX, p2Seed.fY, p22.fX, p22.fY); |
| 501 | #endif |
| 502 | } |
| 503 | |
| 504 | static void QuadraticIntersection_IntersectionFinder() { |
| 505 | intersectionFinder(0, 1); |
| 506 | } |
| 507 | |
tfarina@chromium.org | 78e7b4e | 2014-01-02 21:45:03 +0000 | [diff] [blame] | 508 | DEF_TEST(PathOpsQuadIntersection, reporter) { |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 509 | oneOffTests(reporter); |
| 510 | coincidentTest(reporter); |
| 511 | standardTestCases(reporter); |
| 512 | if (false) QuadraticIntersection_IntersectionFinder(); |
| 513 | if (false) QuadraticIntersection_PointFinder(); |
caryclark@google.com | 9166dcb | 2013-04-08 11:50:00 +0000 | [diff] [blame] | 514 | } |