211 lines
7.4 KiB
C++
211 lines
7.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "sal/config.h"
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#include "sal/precppunit.hxx"
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// autogenerated file with codegen.pl
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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()
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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 = tools::createPolygonFromRect(
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B2DRange(0,90,20,150));
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}
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void tearDown()
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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&))
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{
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const B2DPolyPolygon aSelfIntersect(
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tools::prepareForPolygonOperation(aSelfIntersecting));
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const B2DPolyPolygon aRect(
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tools::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, rtl::OUStringToOString(
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basegfx::tools::exportToSvgD(
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aSelfIntersect),
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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, rtl::OUStringToOString(
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basegfx::tools::exportToSvgD(
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aRect),
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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, rtl::OUStringToOString(
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basegfx::tools::exportToSvgD(aRes),
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RTL_TEXTENCODING_UTF8).getStr() );
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#endif
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rtl::OUString aValid=rtl::OUString::createFromAscii(pValidSvgD);
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CPPUNIT_ASSERT_MESSAGE(pName,
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basegfx::tools::exportToSvgD(aRes) == aValid);
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}
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void validateOr()
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{
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const char* pValid="m0 0h100v150h-75v-50h-5v50h-20v-50-10zm75 100v-50h-50v50z";
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validate("validateOr", pValid, &tools::solvePolygonOperationOr);
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}
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void validateXor()
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{
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const char* pValid="m0 0h100v150h-75v-50h-5v50h-20v-50-10zm0 100h20v-10h-20zm75 0v-50h-50v50z";
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validate("validateXor", pValid, &tools::solvePolygonOperationXor);
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}
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void validateAnd()
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{
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const char* pValid="m0 100v-10h20v10z";
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validate("validateAnd", pValid, &tools::solvePolygonOperationAnd);
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}
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void validateDiff()
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{
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const char* pValid="m0 90v-90h100v150h-75v-50h-5v-10zm75 10v-50h-50v50z";
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validate("validateDiff", pValid, &tools::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)
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{
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rtl::OUString aInput=rtl::OUString::createFromAscii(pInputSvgD);
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rtl::OUString aValid=rtl::OUString::createFromAscii(pValidSvgD);
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B2DPolyPolygon aInputPoly, aValidPoly;
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tools::importFromSvgD(aInputPoly, aInput);
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tools::importFromSvgD(aValidPoly, aValid);
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CPPUNIT_ASSERT_MESSAGE(
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pName,
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basegfx::tools::exportToSvgD(
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tools::solveCrossovers(aInputPoly)) == aValid);
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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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// -----------------------------------------------------------------------------
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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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