| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #include "include/core/SkTypes.h" |
| #include "src/pathops/SkIntersections.h" |
| #include "src/pathops/SkPathOpsCubic.h" |
| #include "src/pathops/SkPathOpsPoint.h" |
| #include "src/pathops/SkPathOpsQuad.h" |
| #include "src/pathops/SkReduceOrder.h" |
| #include "tests/PathOpsTestCommon.h" |
| #include "tests/Test.h" |
| |
| #include <array> |
| |
| static struct quadCubic { |
| CubicPts cubic; |
| QuadPts quad; |
| } quadCubicTests[] = { |
| {{{{945.08099365234375, 747.1619873046875}, {982.5679931640625, 747.1619873046875}, {1013.6290283203125, 719.656005859375}, {1019.1910400390625, 683.72601318359375}}}, |
| {{{945, 747}, {976.0660400390625, 747}, {998.03302001953125, 725.03302001953125}}}}, |
| |
| {{{{778, 14089}, {778, 14091.208984375}, {776.20916748046875, 14093}, {774, 14093}}}, |
| {{{778, 14089}, {777.99957275390625, 14090.65625}, {776.82843017578125, 14091.828125}}}}, |
| |
| {{{{1020.08099,672.161987}, {1020.08002,630.73999}, {986.502014,597.161987}, {945.080994,597.161987}}}, |
| {{{1020,672}, {1020,640.93396}, {998.03302,618.96698}}}}, |
| |
| {{{{778, 14089}, {778, 14091.208984375}, {776.20916748046875, 14093}, {774, 14093}}}, |
| {{{778, 14089}, {777.99957275390625, 14090.65625}, {776.82843017578125, 14091.828125}}}}, |
| |
| {{{{1110, 817}, {1110.55225f, 817}, {1111, 817.447693f}, {1111, 818}}}, |
| {{{1110.70715f, 817.292908f}, {1110.41406f, 817.000122f}, {1110, 817}}}}, |
| |
| {{{{1110, 817}, {1110.55225f, 817}, {1111, 817.447693f}, {1111, 818}}}, |
| {{{1111, 818}, {1110.99988f, 817.585876f}, {1110.70715f, 817.292908f}}}}, |
| |
| {{{{55, 207}, {52.238574981689453, 207}, {50, 204.76142883300781}, {50, 202}}}, |
| {{{55, 207}, {52.929431915283203, 206.99949645996094}, |
| {51.464466094970703, 205.53553771972656}}}}, |
| |
| {{{{49, 47}, {49, 74.614250183105469}, {26.614250183105469, 97}, {-1, 97}}}, |
| {{{-8.659739592076221e-015, 96.991401672363281}, {20.065492630004883, 96.645187377929688}, |
| {34.355339050292969, 82.355339050292969}}}}, |
| |
| {{{{10,234}, {10,229.58172607421875}, {13.581720352172852,226}, {18,226}}}, |
| {{{18,226}, {14.686291694641113,226}, {12.342399597167969,228.3424072265625}}}}, |
| |
| {{{{10,234}, {10,229.58172607421875}, {13.581720352172852,226}, {18,226}}}, |
| {{{12.342399597167969,228.3424072265625}, {10,230.68629455566406}, {10,234}}}}, |
| }; |
| |
| static const int quadCubicTests_count = (int) std::size(quadCubicTests); |
| |
| static void cubicQuadIntersection(skiatest::Reporter* reporter, int index) { |
| int iIndex = static_cast<int>(index); |
| const CubicPts& c = quadCubicTests[index].cubic; |
| SkDCubic cubic; |
| cubic.debugSet(c.fPts); |
| SkASSERT(ValidCubic(cubic)); |
| const QuadPts& q = quadCubicTests[index].quad; |
| SkDQuad quad; |
| quad.debugSet(q.fPts); |
| SkASSERT(ValidQuad(quad)); |
| SkReduceOrder reduce1; |
| SkReduceOrder reduce2; |
| int order1 = reduce1.reduce(cubic, SkReduceOrder::kNo_Quadratics); |
| int order2 = reduce2.reduce(quad); |
| if (order1 != 4) { |
| SkDebugf("[%d] cubic order=%d\n", iIndex, order1); |
| REPORTER_ASSERT(reporter, 0); |
| } |
| if (order2 != 3) { |
| SkDebugf("[%d] quad order=%d\n", iIndex, order2); |
| REPORTER_ASSERT(reporter, 0); |
| } |
| SkIntersections i; |
| int roots = i.intersect(cubic, quad); |
| for (int pt = 0; pt < roots; ++pt) { |
| double tt1 = i[0][pt]; |
| SkDPoint xy1 = cubic.ptAtT(tt1); |
| double tt2 = i[1][pt]; |
| SkDPoint xy2 = quad.ptAtT(tt2); |
| if (!xy1.approximatelyEqual(xy2)) { |
| SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n", |
| __FUNCTION__, iIndex, pt, tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY); |
| } |
| REPORTER_ASSERT(reporter, xy1.approximatelyEqual(xy2)); |
| } |
| reporter->bumpTestCount(); |
| } |
| |
| DEF_TEST(PathOpsCubicQuadIntersection, reporter) { |
| for (int index = 0; index < quadCubicTests_count; ++index) { |
| cubicQuadIntersection(reporter, index); |
| reporter->bumpTestCount(); |
| } |
| } |
| |
| DEF_TEST(PathOpsCubicQuadIntersectionOneOff, reporter) { |
| cubicQuadIntersection(reporter, 0); |
| } |