caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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 | */ |
caryclark@google.com | 8d0a524 | 2013-07-16 16:11:16 +0000 | [diff] [blame] | 7 | #include "PathOpsTestCommon.h" |
caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 8 | #include "SkIntersections.h" |
| 9 | #include "SkPathOpsCubic.h" |
| 10 | #include "SkPathOpsQuad.h" |
| 11 | #include "SkReduceOrder.h" |
| 12 | #include "Test.h" |
| 13 | |
| 14 | static struct lineCubic { |
| 15 | SkDCubic cubic; |
| 16 | SkDQuad quad; |
| 17 | int answerCount; |
| 18 | SkDPoint answers[2]; |
| 19 | } quadCubicTests[] = { |
skia.committer@gmail.com | f54ad6f | 2013-11-02 07:02:02 +0000 | [diff] [blame] | 20 | {{{{778, 14089}, {778, 14091.208984375}, {776.20916748046875, 14093}, {774, 14093}}}, |
| 21 | {{{778, 14089}, {777.99957275390625, 14090.65625}, {776.82843017578125, 14091.828125}}}, 2, |
| 22 | {{778, 14089}, {776.82855609581270,14091.828250841330}}}, |
caryclark@google.com | a2bbc6e | 2013-11-01 17:36:03 +0000 | [diff] [blame] | 23 | |
| 24 | {{{{1110, 817}, {1110.55225f, 817}, {1111, 817.447693f}, {1111, 818}}}, |
| 25 | {{{1110.70715f, 817.292908f}, {1110.41406f, 817.000122f}, {1110, 817}}}, 2, |
| 26 | {{1110, 817}, {1110.70715f, 817.292908f}}}, |
| 27 | |
| 28 | {{{{1110, 817}, {1110.55225f, 817}, {1111, 817.447693f}, {1111, 818}}}, |
| 29 | {{{1111, 818}, {1110.99988f, 817.585876f}, {1110.70715f, 817.292908f}}}, 2, |
| 30 | {{1110.70715f, 817.292908f}, {1111, 818}}}, |
| 31 | |
| 32 | {{{{55, 207}, {52.238574981689453, 207}, {50, 204.76142883300781}, {50, 202}}}, |
| 33 | {{{55, 207}, {52.929431915283203, 206.99949645996094}, |
| 34 | {51.464466094970703, 205.53553771972656}}}, 2, |
| 35 | {{55, 207}, {51.464466094970703, 205.53553771972656}}}, |
| 36 | |
skia.committer@gmail.com | b0a0589 | 2013-10-03 07:01:37 +0000 | [diff] [blame] | 37 | {{{{49, 47}, {49, 74.614250183105469}, {26.614250183105469, 97}, {-1, 97}}}, |
caryclark@google.com | 7eaa53d | 2013-10-02 14:49:34 +0000 | [diff] [blame] | 38 | {{{-8.659739592076221e-015, 96.991401672363281}, {20.065492630004883, 96.645187377929688}, |
| 39 | {34.355339050292969, 82.355339050292969}}}, 2, |
caryclark@google.com | a2bbc6e | 2013-11-01 17:36:03 +0000 | [diff] [blame] | 40 | {{34.355339050292969,82.355339050292969}, {34.28654835573549, 82.424006509351585}}}, |
caryclark@google.com | 7eaa53d | 2013-10-02 14:49:34 +0000 | [diff] [blame] | 41 | |
skia.committer@gmail.com | 2b34fe0 | 2013-05-08 07:01:40 +0000 | [diff] [blame] | 42 | {{{{10,234}, {10,229.58172607421875}, {13.581720352172852,226}, {18,226}}}, |
caryclark@google.com | 7eaa53d | 2013-10-02 14:49:34 +0000 | [diff] [blame] | 43 | {{{18,226}, {14.686291694641113,226}, {12.342399597167969,228.3424072265625}}}, 1, |
| 44 | {{18,226}, {0,0}}}, |
caryclark@google.com | a2bbc6e | 2013-11-01 17:36:03 +0000 | [diff] [blame] | 45 | |
skia.committer@gmail.com | 2b34fe0 | 2013-05-08 07:01:40 +0000 | [diff] [blame] | 46 | {{{{10,234}, {10,229.58172607421875}, {13.581720352172852,226}, {18,226}}}, |
caryclark@google.com | 7eaa53d | 2013-10-02 14:49:34 +0000 | [diff] [blame] | 47 | {{{12.342399597167969,228.3424072265625}, {10,230.68629455566406}, {10,234}}}, 1, |
| 48 | {{10,234}, {0,0}}}, |
caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 49 | }; |
| 50 | |
| 51 | static const size_t quadCubicTests_count = SK_ARRAY_COUNT(quadCubicTests); |
| 52 | |
tfarina@chromium.org | 78e7b4e | 2014-01-02 21:45:03 +0000 | [diff] [blame] | 53 | DEF_TEST(PathOpsCubicQuadIntersection, reporter) { |
caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 54 | for (size_t index = 0; index < quadCubicTests_count; ++index) { |
| 55 | int iIndex = static_cast<int>(index); |
| 56 | const SkDCubic& cubic = quadCubicTests[index].cubic; |
caryclark@google.com | 8d0a524 | 2013-07-16 16:11:16 +0000 | [diff] [blame] | 57 | SkASSERT(ValidCubic(cubic)); |
caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 58 | const SkDQuad& quad = quadCubicTests[index].quad; |
caryclark@google.com | 8d0a524 | 2013-07-16 16:11:16 +0000 | [diff] [blame] | 59 | SkASSERT(ValidQuad(quad)); |
caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 60 | SkReduceOrder reduce1; |
| 61 | SkReduceOrder reduce2; |
caryclark@google.com | 927b702 | 2013-11-25 14:18:21 +0000 | [diff] [blame] | 62 | int order1 = reduce1.reduce(cubic, SkReduceOrder::kNo_Quadratics); |
| 63 | int order2 = reduce2.reduce(quad); |
caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 64 | if (order1 != 4) { |
| 65 | SkDebugf("[%d] cubic order=%d\n", iIndex, order1); |
| 66 | REPORTER_ASSERT(reporter, 0); |
| 67 | } |
| 68 | if (order2 != 3) { |
| 69 | SkDebugf("[%d] quad order=%d\n", iIndex, order2); |
| 70 | REPORTER_ASSERT(reporter, 0); |
| 71 | } |
| 72 | SkIntersections i; |
| 73 | int roots = i.intersect(cubic, quad); |
| 74 | SkASSERT(roots == quadCubicTests[index].answerCount); |
| 75 | for (int pt = 0; pt < roots; ++pt) { |
| 76 | double tt1 = i[0][pt]; |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 77 | SkDPoint xy1 = cubic.ptAtT(tt1); |
caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 78 | double tt2 = i[1][pt]; |
caryclark@google.com | 4fdbb22 | 2013-07-23 15:27:41 +0000 | [diff] [blame] | 79 | SkDPoint xy2 = quad.ptAtT(tt2); |
caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 80 | if (!xy1.approximatelyEqual(xy2)) { |
| 81 | SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n", |
| 82 | __FUNCTION__, iIndex, pt, tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY); |
| 83 | } |
| 84 | REPORTER_ASSERT(reporter, xy1.approximatelyEqual(xy2)); |
| 85 | bool found = false; |
| 86 | for (int idx2 = 0; idx2 < quadCubicTests[index].answerCount; ++idx2) { |
| 87 | found |= quadCubicTests[index].answers[idx2].approximatelyEqual(xy1); |
| 88 | } |
caryclark@google.com | a2bbc6e | 2013-11-01 17:36:03 +0000 | [diff] [blame] | 89 | if (!found) { |
| 90 | SkDebugf("%s [%d,%d] xy1=(%g,%g) != \n", |
| 91 | __FUNCTION__, iIndex, pt, xy1.fX, xy1.fY); |
| 92 | } |
caryclark@google.com | a5e5592 | 2013-05-07 18:51:31 +0000 | [diff] [blame] | 93 | REPORTER_ASSERT(reporter, found); |
| 94 | } |
| 95 | reporter->bumpTestCount(); |
| 96 | } |
| 97 | } |