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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "CurveIntersection.h"
#include "Intersection_Tests.h"
#include "Parameterization_Test.h"
#include "QuadraticUtilities.h"
const Quadratic quadratics[] = {
{{0, 0}, {1, 0}, {1, 1}},
};
const size_t quadratics_count = sizeof(quadratics) / sizeof(quadratics[0]);
int firstQuadraticCoincidenceTest = 0;
void QuadraticCoincidence_Test() {
// split large quadratic
// compare original, parts, to see if the are coincident
for (size_t index = firstQuadraticCoincidenceTest; index < quadratics_count; ++index) {
const Quadratic& test = quadratics[index];
QuadraticPair split;
chop_at(test, split, 0.5);
Quadratic midThird;
sub_divide(test, 1.0/3, 2.0/3, midThird);
const Quadratic* quads[] = {
&test, &midThird, &split.first(), &split.second()
};
size_t quadsCount = sizeof(quads) / sizeof(quads[0]);
for (size_t one = 0; one < quadsCount; ++one) {
for (size_t two = 0; two < quadsCount; ++two) {
for (size_t inner = 0; inner < 3; inner += 2) {
if (!point_on_parameterized_curve(*quads[one], (*quads[two])[inner])) {
SkDebugf("%s %zu [%zu,%zu] %zu parameterization failed\n",
__FUNCTION__, index, one, two, inner);
}
}
if (!implicit_matches(*quads[one], *quads[two])) {
SkDebugf("%s %zu [%zu,%zu] coincidence failed\n", __FUNCTION__,
index, one, two);
}
}
}
}
}
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