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- /*
- * 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/utils/SkRandom.h"
- #include "src/pathops/SkIntersections.h"
- #include "src/pathops/SkPathOpsCubic.h"
- #include "src/pathops/SkPathOpsQuad.h"
- #include "src/pathops/SkReduceOrder.h"
- #include "tests/PathOpsTestCommon.h"
- #include "tests/Test.h"
- 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) SK_ARRAY_COUNT(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);
- }
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