80eb3fd393
This adds a convenience method to B2DPolygon to add a quadratic bezier segment, which converts its one control point to two control points of a cubic bezier segment. The SVG path import is also modified to use this new method instead of converting inside the importer itself. Change-Id: I96e9b306066d9ccf2542b17a117db01fa235f405 Reviewed-on: https://gerrit.libreoffice.org/74809 Tested-by: Jenkins Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
111 lines
5.2 KiB
C++
111 lines
5.2 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 <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/polygon/b2dpolygon.hxx>
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#include <basegfx/point/b2dpoint.hxx>
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namespace basegfx
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{
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class b2dpolygon : public CppUnit::TestFixture
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{
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public:
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void testCubicBezier()
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{
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B2DPolygon aPoly;
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aPoly.appendBezierSegment(B2DPoint(1, 1), B2DPoint(2, 2), B2DPoint(3, 3));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#1 first polygon point wrong", B2DPoint(3, 3),
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aPoly.getB2DPoint(0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#1 first control point wrong", B2DPoint(2, 2),
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aPoly.getPrevControlPoint(0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#1 second control point wrong", B2DPoint(3, 3),
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aPoly.getNextControlPoint(0));
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CPPUNIT_ASSERT_MESSAGE("next control point not used", !aPoly.isNextControlPointUsed(0));
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aPoly.setNextControlPoint(0, B2DPoint(4, 4));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#1.1 second control point wrong", B2DPoint(4, 4),
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aPoly.getNextControlPoint(0));
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CPPUNIT_ASSERT_MESSAGE("next control point used", aPoly.isNextControlPointUsed(0));
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CPPUNIT_ASSERT_MESSAGE("areControlPointsUsed() wrong", aPoly.areControlPointsUsed());
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CPPUNIT_ASSERT_EQUAL_MESSAGE("getContinuityInPoint() wrong", B2VectorContinuity::C2,
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aPoly.getContinuityInPoint(0));
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aPoly.resetControlPoints();
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CPPUNIT_ASSERT_EQUAL_MESSAGE("resetControlPoints() did not clear", B2DPoint(3, 3),
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aPoly.getB2DPoint(0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("resetControlPoints() did not clear", B2DPoint(3, 3),
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aPoly.getPrevControlPoint(0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("resetControlPoints() did not clear", B2DPoint(3, 3),
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aPoly.getNextControlPoint(0));
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CPPUNIT_ASSERT_MESSAGE("areControlPointsUsed() wrong #2", !aPoly.areControlPointsUsed());
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aPoly.clear();
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aPoly.append(B2DPoint(0, 0));
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aPoly.appendBezierSegment(B2DPoint(1, 1), B2DPoint(2, 2), B2DPoint(3, 3));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 first polygon point wrong", B2DPoint(0, 0),
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aPoly.getB2DPoint(0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 first control point wrong", B2DPoint(0, 0),
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aPoly.getPrevControlPoint(0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 second control point wrong", B2DPoint(1, 1),
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aPoly.getNextControlPoint(0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 third control point wrong", B2DPoint(2, 2),
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aPoly.getPrevControlPoint(1));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 fourth control point wrong", B2DPoint(3, 3),
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aPoly.getNextControlPoint(1));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 second polygon point wrong", B2DPoint(3, 3),
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aPoly.getB2DPoint(1));
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}
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void testQuadraticBezier()
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{
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B2DPolygon aPoly;
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aPoly.appendQuadraticBezierSegment(B2DPoint(0, 0), B2DPoint(3, 3));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("polygon size is wrong", sal_uInt32(1), aPoly.count());
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CPPUNIT_ASSERT_EQUAL_MESSAGE("first polygon point wrong", B2DPoint(3, 3),
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aPoly.getB2DPoint(0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("first control point wrong", B2DPoint(1, 1),
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aPoly.getPrevControlPoint(0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("second control point wrong", B2DPoint(3, 3),
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aPoly.getNextControlPoint(0));
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CPPUNIT_ASSERT_MESSAGE("next control point not used", !aPoly.isNextControlPointUsed(0));
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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(b2dpolygon);
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CPPUNIT_TEST(testCubicBezier);
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CPPUNIT_TEST(testQuadraticBezier);
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CPPUNIT_TEST_SUITE_END();
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}; // class b2dpolygon
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} // namespace basegfx
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CPPUNIT_TEST_SUITE_REGISTRATION(basegfx::b2dpolygon);
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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