4fdbb22964
fix pathops issues 1417, 1418 be more rigorous about pulling intersections of lines to end points rewrite cubic/line and quad/line intersections to share style BUG= Review URL: https://codereview.chromium.org/19543005 git-svn-id: http://skia.googlecode.com/svn/trunk@10270 2bbb7eff-a529-9590-31e7-b0007b416f81
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "PathOpsTestCommon.h"
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#include "SkPathOpsLine.h"
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#include "Test.h"
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static const SkDLine tests[] = {
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{{{2, 1}, {2, 1}}},
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{{{2, 1}, {1, 1}}},
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{{{2, 1}, {2, 2}}},
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{{{1, 1}, {2, 2}}},
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{{{3, 0}, {2, 1}}},
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{{{3, 2}, {1, 1}}},
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};
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static const SkDPoint left[] = {
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{2, 1},
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{1, 0},
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{1, 1},
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{1, 2},
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{2, 0},
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{2, 1}
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};
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static const size_t tests_count = SK_ARRAY_COUNT(tests);
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static void PathOpsLineUtilitiesTest(skiatest::Reporter* reporter) {
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for (size_t index = 0; index < tests_count; ++index) {
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const SkDLine& line = tests[index];
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SkASSERT(ValidLine(line));
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SkDLine line2;
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SkPoint pts[2] = {line[0].asSkPoint(), line[1].asSkPoint()};
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line2.set(pts);
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REPORTER_ASSERT(reporter, line[0] == line2[0] && line[1] == line2[1]);
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const SkDPoint& pt = left[index];
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SkASSERT(ValidPoint(pt));
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double result = line.isLeft(pt);
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if ((result <= 0 && index >= 1) || (result < 0 && index == 0)) {
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SkDebugf("%s [%d] expected left\n", __FUNCTION__, index);
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REPORTER_ASSERT(reporter, 0);
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}
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line2 = line.subDivide(1, 0);
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REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]);
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line2 = SkDLine::SubDivide(pts, 1, 0);
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REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]);
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SkDPoint mid = line.ptAtT(.5);
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REPORTER_ASSERT(reporter, approximately_equal((line[0].fX + line[1].fX) / 2, mid.fX));
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REPORTER_ASSERT(reporter, approximately_equal((line[0].fY + line[1].fY) / 2, mid.fY));
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}
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS_SHORT(PathOpsLineUtilitiesTest)
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