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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 "SkPathOpsLine.h"
#include "Test.h"
static const SkDLine tests[] = {
{{{2, 1}, {2, 1}}},
{{{2, 1}, {1, 1}}},
{{{2, 1}, {2, 2}}},
{{{1, 1}, {2, 2}}},
{{{3, 0}, {2, 1}}},
{{{3, 2}, {1, 1}}},
};
static const SkDPoint left[] = {
{2, 1},
{1, 0},
{1, 1},
{1, 2},
{2, 0},
{2, 1}
};
static const size_t tests_count = SK_ARRAY_COUNT(tests);
static void PathOpsLineUtilitiesTest(skiatest::Reporter* reporter) {
for (size_t index = 0; index < tests_count; ++index) {
const SkDLine& line = tests[index];
SkDLine line2;
SkPoint pts[2] = {line[0].asSkPoint(), line[1].asSkPoint()};
line2.set(pts);
REPORTER_ASSERT(reporter, line[0] == line2[0] && line[1] == line2[1]);
const SkDPoint& pt = left[index];
double result = line.isLeft(pt);
if ((result <= 0 && index >= 1) || (result < 0 && index == 0)) {
SkDebugf("%s [%d] expected left\n", __FUNCTION__, index);
REPORTER_ASSERT(reporter, 0);
}
line2 = line.subDivide(1, 0);
REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]);
line2 = SkDLine::SubDivide(pts, 1, 0);
REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]);
SkDPoint mid = line.xyAtT(.5);
REPORTER_ASSERT(reporter, approximately_equal((line[0].fX + line[1].fX) / 2, mid.fX));
REPORTER_ASSERT(reporter, approximately_equal((line[0].fY + line[1].fY) / 2, mid.fY));
}
}
#include "TestClassDef.h"
DEFINE_TESTCLASS_SHORT(PathOpsLineUtilitiesTest)
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