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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "PathOpsTestCommon.h"
#include "SkIntersections.h"
#include "SkPathOpsConic.h"
#include "SkPathOpsCubic.h"
#include "SkReduceOrder.h"
#include "Test.h"
static struct cubicConic {
CubicPts cubic;
ConicPts conic;
} cubicConicTests[] = {
#if 0
// FIXME: this triggers an assert in bool SkTSect::extractCoincident() at
// SkOPASSERT(oppStartT < oppEndT);
// Throwing an error here breaks one test, but only in release.
// More work to be done to figure this out.
{{{{2.1883804947719909e-05, 3.6366123822517693e-05 },
{2.9145950975362211e-05, 2.9117207304807380e-05 },
{2.9113532946212217e-05, 2.9173743314458989e-05 },
{0.00000000000000000, 5.8282588724978268e-05 }}},
{{{{0.00000000000000000, 5.8282581449020654e-05 },
{0.00000000000000000, 5.8282563259126619e-05 },
{5.8282588724978268e-05, 0.00000000000000000 }}}, 53684.6563f}},
#endif
{{{{188.60000610351562, 2041.5999755859375}, {188.60000610351562, 2065.39990234375},
{208, 2084.800048828125}, {231.80000305175781, 2084.800048828125}}},
{{{{231.80000305175781, 2084.800048828125}, {188.60000610351562, 2084.800048828125},
{188.60000610351562, 2041.5999755859375}}}, 0.707107008f}},
{{{{231.80000305175781, 2084.800048828125}, {255.60000610351562, 2084.800048828125},
{275, 2065.39990234375}, {275, 2041.5999755859375}}},
{{{{275, 2041.5999755859375}, {275, 2084.800048828125},
{231.80000305175781, 2084.800048828125}}}, 0.707107008f}},
};
static const int cubicConicTests_count = (int) SK_ARRAY_COUNT(cubicConicTests);
static void cubicConicIntersection(skiatest::Reporter* reporter, int index) {
const CubicPts& cu = cubicConicTests[index].cubic;
SkDCubic cubic;
cubic.debugSet(cu.fPts);
SkASSERT(ValidCubic(cubic));
const ConicPts& co = cubicConicTests[index].conic;
SkDConic conic;
conic.debugSet(co.fPts.fPts, co.fWeight);
SkASSERT(ValidConic(conic));
SkReduceOrder reduce1;
SkReduceOrder reduce2;
int order1 = reduce1.reduce(cubic, SkReduceOrder::kNo_Quadratics);
int order2 = reduce2.reduce(conic.fPts);
if (order1 != 4) {
SkDebugf("[%d] cubic order=%d\n", index, order1);
REPORTER_ASSERT(reporter, 0);
}
if (order2 != 3) {
SkDebugf("[%d] conic order=%d\n", index, order2);
REPORTER_ASSERT(reporter, 0);
}
SkIntersections i;
int roots = i.intersect(cubic, conic);
for (int pt = 0; pt < roots; ++pt) {
double tt1 = i[0][pt];
SkDPoint xy1 = cubic.ptAtT(tt1);
double tt2 = i[1][pt];
SkDPoint xy2 = conic.ptAtT(tt2);
if (!xy1.approximatelyEqual(xy2)) {
SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n",
__FUNCTION__, index, pt, tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY);
}
REPORTER_ASSERT(reporter, xy1.approximatelyEqual(xy2));
}
reporter->bumpTestCount();
}
DEF_TEST(PathOpsCubicConicIntersection, reporter) {
for (int index = 0; index < cubicConicTests_count; ++index) {
cubicConicIntersection(reporter, index);
reporter->bumpTestCount();
}
}
DEF_TEST(PathOpsCubicConicIntersectionOneOff, reporter) {
cubicConicIntersection(reporter, 0);
}
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