1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 2 /* 3 * This file is part of the LibreOffice project. 4 * 5 * This Source Code Form is subject to the terms of the Mozilla Public 6 * License, v. 2.0. If a copy of the MPL was not distributed with this 7 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 8 * 9 * This file incorporates work covered by the following license notice: 10 * 11 * Licensed to the Apache Software Foundation (ASF) under one or more 12 * contributor license agreements. See the NOTICE file distributed 13 * with this work for additional information regarding copyright 14 * ownership. The ASF licenses this file to you under the Apache 15 * License, Version 2.0 (the "License"); you may not use this file 16 * except in compliance with the License. You may obtain a copy of 17 * the License at http://www.apache.org/licenses/LICENSE-2.0 . 18 */ 19 20 #include <cppunit/TestAssert.h> 21 #include <cppunit/TestFixture.h> 22 #include <cppunit/extensions/HelperMacros.h> 23 24 #include <basegfx/polygon/b2dpolypolygon.hxx> 25 #include <basegfx/polygon/b2dtrapezoid.hxx> 26 27 #include "boxclipper.hxx" 28 29 namespace basegfx 30 { 31 using ::basegfx2d::getRandomOrdinal; 32 33 class b2dpolypolygon : public CppUnit::TestFixture 34 { 35 public: 36 // insert your test code here. testTrapezoidHelper()37 void testTrapezoidHelper() 38 { 39 B2DPolygon aPolygon; 40 // provoke the PointBlockAllocator to exercise the freeIfLast path 41 for (int i = 0; i < 16 * 10; i++) 42 { 43 B2DPoint aPoint(getRandomOrdinal(1000), getRandomOrdinal(1000)); 44 aPolygon.append(aPoint); 45 } 46 // scatter some duplicate points in to stress things more. 47 for (int i = 0; i < 16 * 10; i++) 48 { 49 aPolygon.insert(getRandomOrdinal(aPolygon.count() - 1), 50 aPolygon.getB2DPoint(getRandomOrdinal(aPolygon.count() - 1))); 51 } 52 B2DPolygon aPolygonOffset; 53 // duplicate the polygon and offset it slightly. 54 for (size_t i = 0; i < aPolygon.count(); i++) 55 { 56 B2DPoint aPoint(aPolygon.getB2DPoint(i)); 57 aPoint += B2DPoint(0.5 - getRandomOrdinal(1), 0.5 - getRandomOrdinal(1)); 58 aPolygonOffset.append(aPoint); 59 } 60 B2DPolyPolygon aPolyPolygon; 61 aPolyPolygon.append(aPolygon); 62 aPolyPolygon.append(aPolygonOffset); 63 B2DTrapezoidVector aVector; 64 basegfx::utils::trapezoidSubdivide(aVector, aPolyPolygon); 65 CPPUNIT_ASSERT_MESSAGE("more than zero sub-divided trapezoids", !aVector.empty()); 66 } 67 68 // Change the following lines only, if you add, remove or rename 69 // member functions of the current class, 70 // because these macros are need by auto register mechanism. 71 72 CPPUNIT_TEST_SUITE(b2dpolypolygon); 73 CPPUNIT_TEST(testTrapezoidHelper); 74 CPPUNIT_TEST_SUITE_END(); 75 }; // class b2dpolypolygon 76 77 } // namespace basegfx 78 79 CPPUNIT_TEST_SUITE_REGISTRATION(basegfx::b2dpolypolygon); 80 81 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 82