| caryclark | 6c3b9cd | 2016-09-26 05:36:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 "PathOpsTestCommon.h" |
| 8 | #include "SkIntersections.h" |
| 9 | #include "SkPathOpsConic.h" |
| 10 | #include "SkPathOpsQuad.h" |
| 11 | #include "SkReduceOrder.h" |
| 12 | #include "Test.h" |
| 13 | |
| 14 | static struct conicQuad { |
| 15 | SkDConic conic; |
| 16 | SkDQuad quad; |
| 17 | } conicQuadTests[] = { |
| 18 | {{{{{494.348663,224.583771}, {494.365143,224.633194}, {494.376404,224.684067}}}, 0.998645842f}, |
| 19 | {{{494.30481,224.474213}, {494.334961,224.538284}, {494.355774,224.605927}}}}, |
| 20 | |
| 21 | {{{{{494.348663,224.583771}, {494.365143,224.633194}, {494.376404,224.684067}}}, 0.998645842f}, |
| 22 | {{{494.355774f, 224.605927f}, {494.363708f, 224.631714f}, {494.370148f, 224.657471f}}}}, |
| 23 | }; |
| 24 | |
| 25 | static const int conicQuadTests_count = (int) SK_ARRAY_COUNT(conicQuadTests); |
| 26 | |
| 27 | static void conicQuadIntersection(skiatest::Reporter* reporter, int index) { |
| 28 | const SkDConic& conic = conicQuadTests[index].conic; |
| 29 | SkASSERT(ValidConic(conic)); |
| 30 | const SkDQuad& quad = conicQuadTests[index].quad; |
| 31 | SkASSERT(ValidQuad(quad)); |
| 32 | SkReduceOrder reduce1; |
| 33 | SkReduceOrder reduce2; |
| 34 | int order1 = reduce2.reduce(conic.fPts); |
| 35 | int order2 = reduce1.reduce(quad); |
| 36 | if (order2 != 3) { |
| 37 | SkDebugf("[%d] conic order=%d\n", index, order1); |
| 38 | REPORTER_ASSERT(reporter, 0); |
| 39 | } |
| 40 | if (order1 != 3) { |
| 41 | SkDebugf("[%d] quad order=%d\n", index, order2); |
| 42 | REPORTER_ASSERT(reporter, 0); |
| 43 | } |
| 44 | SkIntersections i; |
| 45 | int roots = i.intersect(conic, quad); |
| 46 | for (int pt = 0; pt < roots; ++pt) { |
| 47 | double tt1 = i[0][pt]; |
| 48 | SkDPoint xy1 = conic.ptAtT(tt1); |
| 49 | double tt2 = i[1][pt]; |
| 50 | SkDPoint xy2 = quad.ptAtT(tt2); |
| 51 | if (!xy1.approximatelyEqual(xy2)) { |
| 52 | SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n", |
| 53 | __FUNCTION__, index, pt, tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY); |
| 54 | } |
| 55 | REPORTER_ASSERT(reporter, xy1.approximatelyEqual(xy2)); |
| 56 | } |
| 57 | reporter->bumpTestCount(); |
| 58 | } |
| 59 | |
| 60 | DEF_TEST(PathOpsConicQuadIntersection, reporter) { |
| 61 | for (int index = 0; index < conicQuadTests_count; ++index) { |
| 62 | conicQuadIntersection(reporter, index); |
| 63 | reporter->bumpTestCount(); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | DEF_TEST(PathOpsConicQuadIntersectionOneOff, reporter) { |
| 68 | conicQuadIntersection(reporter, 1); |
| 69 | } |