b0a5d36c12
and coverity#1435683 Unchecked return value coverity#1435685 Unchecked return value Change-Id: I089d6bdfc80f18c38402b61177d85505fc4c4b36 Reviewed-on: https://gerrit.libreoffice.org/54589 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Caolán McNamara <caolanm@redhat.com> Tested-by: Caolán McNamara <caolanm@redhat.com>
195 lines
7.1 KiB
C++
195 lines
7.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/types.h>
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#include <cppunit/TestAssert.h>
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#include <cppunit/TestFixture.h>
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#include <cppunit/extensions/HelperMacros.h>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/curve/b2dcubicbezier.hxx>
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#include <basegfx/curve/b2dbeziertools.hxx>
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#include <basegfx/range/b2dpolyrange.hxx>
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#include <basegfx/polygon/b2dpolygon.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
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#include <basegfx/polygon/b2dpolygonclipper.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include <basegfx/numeric/ftools.hxx>
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using namespace ::basegfx;
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namespace basegfx2d
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{
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class genericclipper : public CppUnit::TestFixture
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{
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private:
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B2DPolygon aSelfIntersecting;
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B2DPolygon aShiftedRectangle;
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public:
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// initialise your test code values here.
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void setUp() override
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{
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aSelfIntersecting.append(B2DPoint(0, 0));
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aSelfIntersecting.append(B2DPoint(0, 100));
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aSelfIntersecting.append(B2DPoint(75, 100));
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aSelfIntersecting.append(B2DPoint(75, 50));
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aSelfIntersecting.append(B2DPoint(25, 50));
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aSelfIntersecting.append(B2DPoint(25, 150));
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aSelfIntersecting.append(B2DPoint(100,150));
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aSelfIntersecting.append(B2DPoint(100,0));
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aSelfIntersecting.setClosed(true);
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aShiftedRectangle = utils::createPolygonFromRect(
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B2DRange(0,90,20,150));
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}
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void validate(const char* pName,
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const char* pValidSvgD,
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B2DPolyPolygon (*pFunc)(const B2DPolyPolygon&, const B2DPolyPolygon&)) const
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{
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const B2DPolyPolygon aSelfIntersect(
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utils::prepareForPolygonOperation(aSelfIntersecting));
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const B2DPolyPolygon aRect(
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utils::prepareForPolygonOperation(aShiftedRectangle));
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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "%s input LHS - svg:d=\"%s\"\n",
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pName, OUStringToOString(
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basegfx::utils::exportToSvgD(
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aSelfIntersect, true, true, false),
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RTL_TEXTENCODING_UTF8).getStr() );
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fprintf(stderr, "%s input RHS - svg:d=\"%s\"\n",
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pName, OUStringToOString(
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basegfx::utils::exportToSvgD(
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aRect, true, true, false),
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RTL_TEXTENCODING_UTF8).getStr() );
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#endif
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const B2DPolyPolygon aRes=
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pFunc(aSelfIntersect, aRect);
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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "%s - svg:d=\"%s\"\n",
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pName, OUStringToOString(
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basegfx::utils::exportToSvgD(aRes, true, true, false),
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RTL_TEXTENCODING_UTF8).getStr() );
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#endif
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OUString aValid=OUString::createFromAscii(pValidSvgD);
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CPPUNIT_ASSERT_EQUAL_MESSAGE(pName,
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aValid, basegfx::utils::exportToSvgD(aRes, true, true, false));
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}
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void validateOr()
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{
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const char* const pValid="m0 0h100v150h-75v-50h-5v50h-20v-50-10zm75 100v-50h-50v50z";
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validate("validateOr", pValid, &utils::solvePolygonOperationOr);
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}
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void validateXor()
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{
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const char* const pValid="m0 0h100v150h-75v-50h-5v50h-20v-50-10zm0 100h20v-10h-20zm75 0v-50h-50v50z";
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validate("validateXor", pValid, &utils::solvePolygonOperationXor);
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}
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void validateAnd()
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{
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const char* const pValid="m0 100v-10h20v10z";
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validate("validateAnd", pValid, &utils::solvePolygonOperationAnd);
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}
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void validateDiff()
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{
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const char* const pValid="m0 90v-90h100v150h-75v-50h-5v-10zm75 10v-50h-50v50z";
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validate("validateDiff", pValid, &utils::solvePolygonOperationDiff);
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}
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void validateCrossover(const char* pName,
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const char* pInputSvgD,
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const char* pValidSvgD) const
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{
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OUString aInput=OUString::createFromAscii(pInputSvgD);
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OUString aValid=OUString::createFromAscii(pValidSvgD);
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B2DPolyPolygon aInputPoly, aValidPoly;
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CPPUNIT_ASSERT(utils::importFromSvgD(aInputPoly, aInput, false, nullptr));
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CPPUNIT_ASSERT(utils::importFromSvgD(aValidPoly, aValid, false, nullptr));
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CPPUNIT_ASSERT_EQUAL_MESSAGE(
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pName,
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aValid,
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basegfx::utils::exportToSvgD(
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utils::solveCrossovers(aInputPoly), true, true, false));
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}
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void checkCrossoverSolver()
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{
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// partially intersecting polygons, with a common subsection
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validateCrossover(
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"partially intersecting",
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"m0 0 v 5 h 3 h 1 h 1 h 1 v -2 v -3 z"
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"m3 7 v -2 h 1 h 1 h 1 v -2 h 1 v 3 z",
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"m0 0v5h3 1 1 1v-2-3zm3 7v-2h1 1 1v-2h1v3z");
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// first polygon is identical to subset of second polygon
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validateCrossover(
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"full subset",
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"m0 0 v 5 h 3 h 1 h 1 v -5 z"
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"m3 10 v -5 h 1 h 1 v -5 h -5 v 5 h 3 z",
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"m0 0v5h3 1 1v-5zm3 10v-5zm1-5h1v-5h-5v5h3z");
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// first polygon is identical to subset of second polygon, but
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// oriented in the opposite direction
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validateCrossover(
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"full subset, opposite direction",
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"m0 0 v 5 h 3 h 1 h 1 v -5 z"
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"m3 10 v -5 h -1 h -1 h -1 v -5 h 5 v 5 h 2 z",
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"m0 0v5h1 1 1-1-1-1v-5h5v5-5zm4 5h1 2l-4 5v-5z");
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// first polygon is identical to subset of second polygon, and
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// has a curve segment (triggers different code path)
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validateCrossover(
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"full subset, plus curves",
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"m0 0 v 5 h 3 h 1 h 1 c 2 0 2 0 0 -5 z"
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"m3 10 v -5 h 1 h 1 c 2 0 2 0 0 -5 h -5 v 5 h 3 z",
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"m0 0v5h3 1 1c2 0 2 0 0-5zm3 10v-5zm1-5h1c2 0 2 0 0-5h-5v5h3z");
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}
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// Change the following lines only, if you add, remove or rename
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// member functions of the current class,
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// because these macros are need by auto register mechanism.
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CPPUNIT_TEST_SUITE(genericclipper);
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CPPUNIT_TEST(validateOr);
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CPPUNIT_TEST(validateXor);
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CPPUNIT_TEST(validateAnd);
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CPPUNIT_TEST(validateDiff);
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CPPUNIT_TEST(checkCrossoverSolver);
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CPPUNIT_TEST_SUITE_END();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(basegfx2d::genericclipper);
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} // namespace basegfx2d
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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