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 */ 7 #include "PathOpsTestCommon.h" 8 #include "SkIntersections.h" 9 #include "SkPathOpsCubic.h" 10 #include "SkPathOpsQuad.h" 11 #include "SkRandom.h" 12 #include "SkReduceOrder.h" 13 #include "Test.h" 14 15 static struct quadCubic { 16 SkDCubic cubic; 17 SkDQuad quad; 18 } quadCubicTests[] = { 19 {{{{945.08099365234375, 747.1619873046875}, {982.5679931640625, 747.1619873046875}, {1013.6290283203125, 719.656005859375}, {1019.1910400390625, 683.72601318359375}}}, 20 {{{945, 747}, {976.0660400390625, 747}, {998.03302001953125, 725.03302001953125}}}}, 21 22 {{{{778, 14089}, {778, 14091.208984375}, {776.20916748046875, 14093}, {774, 14093}}}, 23 {{{778, 14089}, {777.99957275390625, 14090.65625}, {776.82843017578125, 14091.828125}}}}, 24 25 {{{{1020.08099,672.161987}, {1020.08002,630.73999}, {986.502014,597.161987}, {945.080994,597.161987}}}, 26 {{{1020,672}, {1020,640.93396}, {998.03302,618.96698}}}}, 27 28 {{{{778, 14089}, {778, 14091.208984375}, {776.20916748046875, 14093}, {774, 14093}}}, 29 {{{778, 14089}, {777.99957275390625, 14090.65625}, {776.82843017578125, 14091.828125}}}}, 30 31 {{{{1110, 817}, {1110.55225f, 817}, {1111, 817.447693f}, {1111, 818}}}, 32 {{{1110.70715f, 817.292908f}, {1110.41406f, 817.000122f}, {1110, 817}}}}, 33 34 {{{{1110, 817}, {1110.55225f, 817}, {1111, 817.447693f}, {1111, 818}}}, 35 {{{1111, 818}, {1110.99988f, 817.585876f}, {1110.70715f, 817.292908f}}}}, 36 37 {{{{55, 207}, {52.238574981689453, 207}, {50, 204.76142883300781}, {50, 202}}}, 38 {{{55, 207}, {52.929431915283203, 206.99949645996094}, 39 {51.464466094970703, 205.53553771972656}}}}, 40 41 {{{{49, 47}, {49, 74.614250183105469}, {26.614250183105469, 97}, {-1, 97}}}, 42 {{{-8.659739592076221e-015, 96.991401672363281}, {20.065492630004883, 96.645187377929688}, 43 {34.355339050292969, 82.355339050292969}}}}, 44 45 {{{{10,234}, {10,229.58172607421875}, {13.581720352172852,226}, {18,226}}}, 46 {{{18,226}, {14.686291694641113,226}, {12.342399597167969,228.3424072265625}}}}, 47 48 {{{{10,234}, {10,229.58172607421875}, {13.581720352172852,226}, {18,226}}}, 49 {{{12.342399597167969,228.3424072265625}, {10,230.68629455566406}, {10,234}}}}, 50 }; 51 52 static const int quadCubicTests_count = (int) SK_ARRAY_COUNT(quadCubicTests); 53 54 static void cubicQuadIntersection(skiatest::Reporter* reporter, int index) { 55 int iIndex = static_cast<int>(index); 56 const SkDCubic& cubic = quadCubicTests[index].cubic; 57 SkASSERT(ValidCubic(cubic)); 58 const SkDQuad& quad = quadCubicTests[index].quad; 59 SkASSERT(ValidQuad(quad)); 60 SkReduceOrder reduce1; 61 SkReduceOrder reduce2; 62 int order1 = reduce1.reduce(cubic, SkReduceOrder::kNo_Quadratics); 63 int order2 = reduce2.reduce(quad); 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 for (int pt = 0; pt < roots; ++pt) { 75 double tt1 = i[0][pt]; 76 SkDPoint xy1 = cubic.ptAtT(tt1); 77 double tt2 = i[1][pt]; 78 SkDPoint xy2 = quad.ptAtT(tt2); 79 if (!xy1.approximatelyEqual(xy2)) { 80 SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n", 81 __FUNCTION__, iIndex, pt, tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY); 82 } 83 REPORTER_ASSERT(reporter, xy1.approximatelyEqual(xy2)); 84 } 85 reporter->bumpTestCount(); 86 } 87 88 DEF_TEST(PathOpsCubicQuadIntersection, reporter) { 89 for (int index = 0; index < quadCubicTests_count; ++index) { 90 cubicQuadIntersection(reporter, index); 91 reporter->bumpTestCount(); 92 } 93 } 94 95 DEF_TEST(PathOpsCubicQuadIntersectionOneOff, reporter) { 96 cubicQuadIntersection(reporter, 0); 97 } 98
