LCOV - code coverage report
Current view: top level - basegfx/test - genericclipper.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 64 64 100.0 %
Date: 2015-06-13 12:38:46 Functions: 20 20 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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 <sal/types.h>
      21             : #include <cppunit/TestAssert.h>
      22             : #include <cppunit/TestFixture.h>
      23             : #include <cppunit/extensions/HelperMacros.h>
      24             : 
      25             : #include <basegfx/matrix/b2dhommatrix.hxx>
      26             : #include <basegfx/curve/b2dcubicbezier.hxx>
      27             : #include <basegfx/curve/b2dbeziertools.hxx>
      28             : #include <basegfx/range/b2dpolyrange.hxx>
      29             : #include <basegfx/polygon/b2dpolygon.hxx>
      30             : #include <basegfx/polygon/b2dpolygontools.hxx>
      31             : #include <basegfx/polygon/b2dpolypolygontools.hxx>
      32             : #include <basegfx/polygon/b2dpolypolygoncutter.hxx>
      33             : #include <basegfx/polygon/b2dpolygonclipper.hxx>
      34             : #include <basegfx/polygon/b2dpolypolygon.hxx>
      35             : #include <basegfx/numeric/ftools.hxx>
      36             : 
      37             : using namespace ::basegfx;
      38             : 
      39             : namespace basegfx2d
      40             : {
      41             : 
      42          15 : class genericclipper : public CppUnit::TestFixture
      43             : {
      44             : private:
      45             :     B2DPolygon aSelfIntersecting;
      46             :     B2DPolygon aShiftedRectangle;
      47             : 
      48             : public:
      49             :     // initialise your test code values here.
      50           5 :     void setUp() SAL_OVERRIDE
      51             :     {
      52           5 :         aSelfIntersecting.append(B2DPoint(0,  0));
      53           5 :         aSelfIntersecting.append(B2DPoint(0,  100));
      54           5 :         aSelfIntersecting.append(B2DPoint(75, 100));
      55           5 :         aSelfIntersecting.append(B2DPoint(75, 50));
      56           5 :         aSelfIntersecting.append(B2DPoint(25, 50));
      57           5 :         aSelfIntersecting.append(B2DPoint(25, 150));
      58           5 :         aSelfIntersecting.append(B2DPoint(100,150));
      59           5 :         aSelfIntersecting.append(B2DPoint(100,0));
      60           5 :         aSelfIntersecting.setClosed(true);
      61             : 
      62          10 :         aShiftedRectangle = tools::createPolygonFromRect(
      63           5 :             B2DRange(0,90,20,150));
      64           5 :     }
      65             : 
      66           5 :     void tearDown() SAL_OVERRIDE
      67           5 :     {}
      68             : 
      69           4 :     void validate(const char* pName,
      70             :                   const char* pValidSvgD,
      71             :                   B2DPolyPolygon (*pFunc)(const B2DPolyPolygon&, const B2DPolyPolygon&))
      72             :     {
      73             :         const B2DPolyPolygon aSelfIntersect(
      74           4 :             tools::prepareForPolygonOperation(aSelfIntersecting));
      75             :         const B2DPolyPolygon aRect(
      76           8 :             tools::prepareForPolygonOperation(aShiftedRectangle));
      77             : #if OSL_DEBUG_LEVEL > 2
      78             :         fprintf(stderr, "%s input LHS - svg:d=\"%s\"\n",
      79             :                 pName, OUStringToOString(
      80             :                     basegfx::tools::exportToSvgD(
      81             :                         aSelfIntersect, true, true, false),
      82             :                     RTL_TEXTENCODING_UTF8).getStr() );
      83             :         fprintf(stderr, "%s input RHS - svg:d=\"%s\"\n",
      84             :                 pName, OUStringToOString(
      85             :                     basegfx::tools::exportToSvgD(
      86             :                         aRect, true, true, false),
      87             :                     RTL_TEXTENCODING_UTF8).getStr() );
      88             : #endif
      89             : 
      90             :         const B2DPolyPolygon aRes=
      91           8 :             pFunc(aSelfIntersect, aRect);
      92             : 
      93             : #if OSL_DEBUG_LEVEL > 2
      94             :         fprintf(stderr, "%s - svg:d=\"%s\"\n",
      95             :                 pName, OUStringToOString(
      96             :                     basegfx::tools::exportToSvgD(aRes, true, true, false),
      97             :                     RTL_TEXTENCODING_UTF8).getStr() );
      98             : #endif
      99             : 
     100           8 :         OUString aValid=OUString::createFromAscii(pValidSvgD);
     101             : 
     102           8 :         CPPUNIT_ASSERT_MESSAGE(pName,
     103           8 :                                basegfx::tools::exportToSvgD(aRes, true, true, false) == aValid);
     104           4 :     }
     105             : 
     106           1 :     void validateOr()
     107             :     {
     108           1 :         const char* pValid="m0 0h100v150h-75v-50h-5v50h-20v-50-10zm75 100v-50h-50v50z";
     109           1 :         validate("validateOr", pValid, &tools::solvePolygonOperationOr);
     110           1 :     }
     111             : 
     112           1 :     void validateXor()
     113             :     {
     114           1 :         const char* pValid="m0 0h100v150h-75v-50h-5v50h-20v-50-10zm0 100h20v-10h-20zm75 0v-50h-50v50z";
     115           1 :         validate("validateXor", pValid, &tools::solvePolygonOperationXor);
     116           1 :     }
     117             : 
     118           1 :     void validateAnd()
     119             :     {
     120           1 :         const char* pValid="m0 100v-10h20v10z";
     121           1 :         validate("validateAnd", pValid, &tools::solvePolygonOperationAnd);
     122           1 :     }
     123             : 
     124           1 :     void validateDiff()
     125             :     {
     126           1 :         const char* pValid="m0 90v-90h100v150h-75v-50h-5v-10zm75 10v-50h-50v50z";
     127           1 :         validate("validateDiff", pValid, &tools::solvePolygonOperationDiff);
     128           1 :     }
     129             : 
     130           4 :     void validateCrossover(const char* pName,
     131             :                            const char* pInputSvgD,
     132             :                            const char* pValidSvgD)
     133             :     {
     134           4 :         OUString aInput=OUString::createFromAscii(pInputSvgD);
     135           8 :         OUString aValid=OUString::createFromAscii(pValidSvgD);
     136           8 :         B2DPolyPolygon aInputPoly, aValidPoly;
     137             : 
     138           4 :         tools::importFromSvgD(aInputPoly, aInput, false, NULL);
     139           4 :         tools::importFromSvgD(aValidPoly, aValid, false, NULL);
     140             : 
     141           8 :         CPPUNIT_ASSERT_MESSAGE(
     142             :             pName,
     143             :             basegfx::tools::exportToSvgD(
     144           8 :                 tools::solveCrossovers(aInputPoly), true, true, false) == aValid);
     145           4 :     }
     146             : 
     147           1 :     void checkCrossoverSolver()
     148             :     {
     149             :         // partially intersecting polygons, with a common subsection
     150             :         validateCrossover(
     151             :             "partially intersecting",
     152             :             "m0 0 v 5  h 3 h 1 h 1 h 1 v -2 v -3 z"
     153             :               "m3 7 v -2 h 1 h 1 h 1 v -2 h 1 v 3 z",
     154           1 :             "m0 0v5h3 1 1 1v-2-3zm3 7v-2h1 1 1v-2h1v3z");
     155             : 
     156             :         // first polygon is identical to subset of second polygon
     157             :         validateCrossover(
     158             :             "full subset",
     159             :             "m0 0 v 5  h 3 h 1 h 1 v -5 z"
     160             :               "m3 10 v -5 h 1 h 1 v -5 h -5 v 5 h 3 z",
     161           1 :             "m0 0v5h3 1 1v-5zm3 10v-5zm1-5h1v-5h-5v5h3z");
     162             : 
     163             :         // first polygon is identical to subset of second polygon, but
     164             :         // oriented in the opposite direction
     165             :         validateCrossover(
     166             :             "full subset, opposite direction",
     167             :             "m0 0 v 5 h 3 h 1 h 1 v -5 z"
     168             :               "m3 10 v -5 h -1 h -1 h -1 v -5 h 5 v 5 h 2 z",
     169           1 :             "m0 0v5h1 1 1-1-1-1v-5h5v5-5zm4 5h1 2l-4 5v-5z");
     170             : 
     171             :         // first polygon is identical to subset of second polygon, and
     172             :         // has a curve segment (triggers different code path)
     173             :         validateCrossover(
     174             :             "full subset, plus curves",
     175             :             "m0 0 v 5  h 3 h 1 h 1 c 2 0 2 0 0 -5 z"
     176             :               "m3 10 v -5 h 1 h 1 c 2 0 2 0 0 -5 h -5 v 5 h 3 z",
     177           1 :             "m0 0v5h3 1 1c2 0 2 0 0-5zm3 10v-5zm1-5h1c2 0 2 0 0-5h-5v5h3z");
     178           1 :     }
     179             : 
     180             :     // Change the following lines only, if you add, remove or rename
     181             :     // member functions of the current class,
     182             :     // because these macros are need by auto register mechanism.
     183             : 
     184           2 :     CPPUNIT_TEST_SUITE(genericclipper);
     185           1 :     CPPUNIT_TEST(validateOr);
     186           1 :     CPPUNIT_TEST(validateXor);
     187           1 :     CPPUNIT_TEST(validateAnd);
     188           1 :     CPPUNIT_TEST(validateDiff);
     189           1 :     CPPUNIT_TEST(checkCrossoverSolver);
     190           5 :     CPPUNIT_TEST_SUITE_END();
     191             : };
     192             : 
     193           1 : CPPUNIT_TEST_SUITE_REGISTRATION(basegfx2d::genericclipper);
     194           3 : } // namespace basegfx2d
     195             : 
     196             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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