зеркало из https://github.com/mozilla/moz-skia.git
54 строки
1.6 KiB
C++
54 строки
1.6 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 "SkPathOpsPoint.h"
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#include "Test.h"
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static const SkDPoint tests[] = {
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{0, 0},
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{1, 0},
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{0, 1},
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{2, 1},
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{1, 2},
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{1, 1},
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{2, 2}
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};
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static const size_t tests_count = SK_ARRAY_COUNT(tests);
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static void PathOpsDVectorTest(skiatest::Reporter* reporter) {
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for (size_t index = 0; index < tests_count - 1; ++index) {
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SkDVector v1 = tests[index + 1] - tests[index];
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SkASSERT(ValidVector(v1));
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SkDVector v2 = tests[index] - tests[index + 1];
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SkASSERT(ValidVector(v2));
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v1 += v2;
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REPORTER_ASSERT(reporter, v1.fX == 0 && v1.fY == 0);
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SkDPoint p = tests[index + 1] + v2;
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REPORTER_ASSERT(reporter, p == tests[index]);
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v2 -= v2;
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REPORTER_ASSERT(reporter, v2.fX == 0 && v2.fY == 0);
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v1 = tests[index + 1] - tests[index];
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v1 /= 2;
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v1 *= 2;
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v1 -= tests[index + 1] - tests[index];
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REPORTER_ASSERT(reporter, v1.fX == 0 && v1.fY == 0);
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SkVector sv = v1.asSkVector();
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REPORTER_ASSERT(reporter, sv.fX == 0 && sv.fY == 0);
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v1 = tests[index + 1] - tests[index];
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double lenSq = v1.lengthSquared();
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double v1Dot = v1.dot(v1);
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REPORTER_ASSERT(reporter, lenSq == v1Dot);
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REPORTER_ASSERT(reporter, approximately_equal(sqrt(lenSq), v1.length()));
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double v1Cross = v1.cross(v1);
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REPORTER_ASSERT(reporter, v1Cross == 0);
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}
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS_SHORT(PathOpsDVectorTest)
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