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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <cppunit/TestAssert.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
namespace basegfx
{
class b2dpolypolygoncutter : public CppUnit::TestFixture
{
public:
void testMergeToSinglePolyPolygon()
{
{ // Adjacent polygons merged to one, closed manually.
B2DPolygon poly1{ { 0, 0 }, { 1, 0 }, { 1, 1 }, { 0, 1 }, { 0, 0 } };
B2DPolygon poly2{ { 0, 1 }, { 1, 1 }, { 1, 2 }, { 0, 2 }, { 0, 1 } };
B2DPolyPolygon expected(
B2DPolygon{ { 1, 0 }, { 1, 1 }, { 1, 2 }, { 0, 2 }, { 0, 1 }, { 0, 0 } });
expected.setClosed(true);
B2DPolyPolygon result
= utils::mergeToSinglePolyPolygon({ B2DPolyPolygon(poly1), B2DPolyPolygon(poly2) });
CPPUNIT_ASSERT_EQUAL(expected, result);
}
{ // Adjacent polygons merged to one, closed using setClosed().
B2DPolygon poly1{ { 0, 0 }, { 1, 0 }, { 1, 1 }, { 0, 1 } };
B2DPolygon poly2{ { 0, 1 }, { 1, 1 }, { 1, 2 }, { 0, 2 } };
poly1.setClosed(true);
poly2.setClosed(true);
B2DPolyPolygon expected(
B2DPolygon{ { 0, 0 }, { 1, 0 }, { 1, 1 }, { 1, 2 }, { 0, 2 }, { 0, 1 } });
expected.setClosed(true);
B2DPolyPolygon result
= utils::mergeToSinglePolyPolygon({ B2DPolyPolygon(poly1), B2DPolyPolygon(poly2) });
CPPUNIT_ASSERT_EQUAL(expected, result);
}
{ // Non-adjacent polygons, no merge.
B2DPolygon poly1{ { 0, 0 }, { 1, 0 }, { 1, 1 }, { 0, 1 } };
B2DPolygon poly2{ { 0, 2 }, { 1, 3 }, { 1, 3 }, { 0, 3 } };
poly1.setClosed(true);
poly2.setClosed(true);
B2DPolyPolygon expected;
expected.append(poly1);
expected.append(poly2);
B2DPolyPolygon result
= utils::mergeToSinglePolyPolygon({ B2DPolyPolygon(poly1), B2DPolyPolygon(poly2) });
CPPUNIT_ASSERT_EQUAL(expected, result);
}
{ // Horizontal and vertical rectangle that together form a cross.
B2DPolygon poly1{ { 1, 0 }, { 2, 0 }, { 2, 3 }, { 1, 3 } };
B2DPolygon poly2{ { 0, 1 }, { 3, 1 }, { 3, 2 }, { 0, 2 } };
poly1.setClosed(true);
poly2.setClosed(true);
B2DPolyPolygon expected(B2DPolygon{ { 1, 0 },
{ 2, 0 },
{ 2, 1 },
{ 3, 1 },
{ 3, 2 },
{ 2, 2 },
{ 2, 3 },
{ 1, 3 },
{ 1, 2 },
{ 0, 2 },
{ 0, 1 },
{ 1, 1 } });
expected.setClosed(true);
B2DPolyPolygon result
= utils::mergeToSinglePolyPolygon({ B2DPolyPolygon(poly1), B2DPolyPolygon(poly2) });
CPPUNIT_ASSERT_EQUAL(expected, result);
}
}
CPPUNIT_TEST_SUITE(b2dpolypolygoncutter);
CPPUNIT_TEST(testMergeToSinglePolyPolygon);
CPPUNIT_TEST_SUITE_END();
};
} // namespace basegfx
CPPUNIT_TEST_SUITE_REGISTRATION(basegfx::b2dpolypolygoncutter);
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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