basegfx/test/B2DPolygonTest.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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  14  *   ownership. The ASF licenses this file to you under the Apache
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  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/b2dpolygon.hxx>
  25 #include <basegfx/point/b2dpoint.hxx>
  26
  27 namespace basegfx
  28 {
  29 class b2dpolygon : public CppUnit::TestFixture
  30 {
  31 public:
  32     void testCubicBezier()
  33     {
  34         B2DPolygon aPoly;
  35
  36         aPoly.appendBezierSegment(B2DPoint(1, 1), B2DPoint(2, 2), B2DPoint(3, 3));
  37
  38         CPPUNIT_ASSERT_EQUAL_MESSAGE("#1 first polygon point wrong", B2DPoint(3, 3),
  39                                      aPoly.getB2DPoint(0));
  40         CPPUNIT_ASSERT_EQUAL_MESSAGE("#1 first control point wrong", B2DPoint(2, 2),
  41                                      aPoly.getPrevControlPoint(0));
  42         CPPUNIT_ASSERT_EQUAL_MESSAGE("#1 second control point wrong", B2DPoint(3, 3),
  43                                      aPoly.getNextControlPoint(0));
  44         CPPUNIT_ASSERT_MESSAGE("next control point not used", !aPoly.isNextControlPointUsed(0));
  45
  46         aPoly.setNextControlPoint(0, B2DPoint(4, 4));
  47         CPPUNIT_ASSERT_EQUAL_MESSAGE("#1.1 second control point wrong", B2DPoint(4, 4),
  48                                      aPoly.getNextControlPoint(0));
  49         CPPUNIT_ASSERT_MESSAGE("next control point used", aPoly.isNextControlPointUsed(0));
  50         CPPUNIT_ASSERT_MESSAGE("areControlPointsUsed() wrong", aPoly.areControlPointsUsed());
  51         CPPUNIT_ASSERT_EQUAL_MESSAGE("getContinuityInPoint() wrong", B2VectorContinuity::C2,
  52                                      aPoly.getContinuityInPoint(0));
  53
  54         aPoly.resetControlPoints();
  55         CPPUNIT_ASSERT_EQUAL_MESSAGE("resetControlPoints() did not clear", B2DPoint(3, 3),
  56                                      aPoly.getB2DPoint(0));
  57         CPPUNIT_ASSERT_EQUAL_MESSAGE("resetControlPoints() did not clear", B2DPoint(3, 3),
  58                                      aPoly.getPrevControlPoint(0));
  59         CPPUNIT_ASSERT_EQUAL_MESSAGE("resetControlPoints() did not clear", B2DPoint(3, 3),
  60                                      aPoly.getNextControlPoint(0));
  61         CPPUNIT_ASSERT_MESSAGE("areControlPointsUsed() wrong #2", !aPoly.areControlPointsUsed());
  62
  63         aPoly.clear();
  64         aPoly.append(B2DPoint(0, 0));
  65         aPoly.appendBezierSegment(B2DPoint(1, 1), B2DPoint(2, 2), B2DPoint(3, 3));
  66
  67         CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 first polygon point wrong", B2DPoint(0, 0),
  68                                      aPoly.getB2DPoint(0));
  69         CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 first control point wrong", B2DPoint(0, 0),
  70                                      aPoly.getPrevControlPoint(0));
  71         CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 second control point wrong", B2DPoint(1, 1),
  72                                      aPoly.getNextControlPoint(0));
  73         CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 third control point wrong", B2DPoint(2, 2),
  74                                      aPoly.getPrevControlPoint(1));
  75         CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 fourth control point wrong", B2DPoint(3, 3),
  76                                      aPoly.getNextControlPoint(1));
  77         CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 second polygon point wrong", B2DPoint(3, 3),
  78                                      aPoly.getB2DPoint(1));
  79     }
  80
  81     void testQuadraticBezier()
  82     {
  83         B2DPolygon aPoly;
  84
  85         aPoly.appendQuadraticBezierSegment(B2DPoint(0, 0), B2DPoint(3, 3));
  86
  87         CPPUNIT_ASSERT_EQUAL_MESSAGE("polygon size is wrong", sal_uInt32(1), aPoly.count());
  88         CPPUNIT_ASSERT_EQUAL_MESSAGE("first polygon point wrong", B2DPoint(3, 3),
  89                                      aPoly.getB2DPoint(0));
  90         CPPUNIT_ASSERT_EQUAL_MESSAGE("first control point wrong", B2DPoint(1, 1),
  91                                      aPoly.getPrevControlPoint(0));
  92         CPPUNIT_ASSERT_EQUAL_MESSAGE("second control point wrong", B2DPoint(3, 3),
  93                                      aPoly.getNextControlPoint(0));
  94         CPPUNIT_ASSERT_MESSAGE("next control point not used", !aPoly.isNextControlPointUsed(0));
  95     }
  96
  97     // Change the following lines only, if you add, remove or rename
  98     // member functions of the current class,
  99     // because these macros are need by auto register mechanism.
 100
 101     CPPUNIT_TEST_SUITE(b2dpolygon);
 102     CPPUNIT_TEST(testCubicBezier);
 103     CPPUNIT_TEST(testQuadraticBezier);
 104     CPPUNIT_TEST_SUITE_END();
 105 }; // class b2dpolygon
 106
 107 } // namespace basegfx
 108
 109 CPPUNIT_TEST_SUITE_REGISTRATION(basegfx::b2dpolygon);
 110
 111 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */