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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <cppunit/TestAssert.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <basegfx/utils/b2dclipstate.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
using namespace ::basegfx;
namespace basegfx2d
{
class clipstate : public CppUnit::TestFixture
{
private:
utils::B2DClipState aUnion1;
utils::B2DClipState aUnion2;
utils::B2DClipState aIntersect;
utils::B2DClipState aXor;
utils::B2DClipState aSubtract;
public:
void setUp() override
{
B2DRange aCenter(100, 100, -100, -100);
B2DRange aNorth(-10, -110, 10, -90);
B2DRange aWest(-110, -10, -90, 10);
B2DRange aSouth(-10, 110, 10, 90);
B2DRange aEast(110, -10, 90, 10);
aUnion1.unionRange(aCenter);
aUnion1.unionRange(aNorth);
aUnion1.unionRange(aWest);
aUnion1.unionRange(aSouth);
aUnion1.unionRange(aEast);
aUnion2.makeNull();
aUnion2.unionRange(aCenter);
aUnion2.unionRange(aNorth);
aUnion2.unionRange(aWest);
aUnion2.unionRange(aSouth);
aUnion2.unionRange(aEast);
aIntersect.intersectRange(aCenter);
aIntersect.intersectRange(aNorth);
aIntersect.intersectRange(aWest);
aIntersect.intersectRange(aSouth);
aIntersect.intersectRange(aEast);
aXor.makeNull();
aXor.xorRange(aCenter);
aXor.xorRange(aNorth);
aXor.xorRange(aWest);
aXor.xorRange(aSouth);
aXor.xorRange(aEast);
aSubtract.intersectRange(aCenter);
aSubtract.subtractRange(aNorth);
aSubtract.subtractRange(aWest);
aSubtract.subtractRange(aSouth);
aSubtract.subtractRange(aEast);
}
void verifyPoly(const char* sName, const char* sSvg, const utils::B2DClipState& toTest) const
{
#if OSL_DEBUG_LEVEL > 2
fprintf(stderr, "%s - svg:d=\"%s\"\n",
sName, OUStringToOString(
basegfx::utils::exportToSvgD(toTest.getClipPoly(), true, true, false),
RTL_TEXTENCODING_UTF8).getStr() );
#endif
B2DPolyPolygon aTmp1;
CPPUNIT_ASSERT_MESSAGE(sName,
utils::importFromSvgD(
aTmp1, OUString::createFromAscii(sSvg), false, nullptr));
const OUString aSvg=
utils::exportToSvgD(toTest.getClipPoly(), true, true, false);
B2DPolyPolygon aTmp2;
CPPUNIT_ASSERT_MESSAGE(sName,
utils::importFromSvgD(
aTmp2, aSvg, false, nullptr));
CPPUNIT_ASSERT_EQUAL_MESSAGE(
sName,
aTmp1, aTmp2);
}
void verifySimpleRange()
{
const char* const unionSvg="m100 10v90h-90v10h-20v-10h-90v-90h-10v-20h10v-90h90v-10h20v10h90v90h10v20z";
const char* const intersectSvg="m-100 10v-20h10v20zm90 90v-10h20v10zm0-190v-10h20v10zm100 100v-20h10v20z";
const char* const xorSvg="m-100 10h10v-20h-10zm90 90h20v-10h-20zm0-190h20v-10h-20zm100 100h10v-20h-10z"
"m10 0v90h-90v10h-20v-10h-90v-90h-10v-20h10v-90h90v-10h20v10h90v90h10v20z";
const char* const subtractSvg="m-90 10v-20h-10v-90h90v10h20v-10h90v90h-10v20h10v90h-90v-10h-20v10h-90v-90z";
CPPUNIT_ASSERT_MESSAGE("cleared clip stays empty under union operation",
aUnion1.isCleared());
verifyPoly("union", unionSvg, aUnion2);
verifyPoly("intersect", intersectSvg, aIntersect);
verifyPoly("xor", xorSvg, aXor);
verifyPoly("subtract", subtractSvg, aSubtract);
}
void verifyMixedClips()
{
utils::B2DClipState aMixedClip;
static constexpr OUString unionSvg=u"m100 10v90h-90v10h-20v-10h-90v-90h-10v-20h10v-90h90v-10h20v10h90v90h10v20z"_ustr;
B2DPolyPolygon aTmp1;
CPPUNIT_ASSERT(utils::importFromSvgD(aTmp1, unionSvg, false, nullptr));
aMixedClip.intersectPolyPolygon(aTmp1);
aMixedClip.subtractRange(B2DRange(-20,-150,20,0));
aMixedClip.subtractRange(B2DRange(-150,-20,0,20));
aMixedClip.xorRange(B2DRange(-150,-150,150,150));
const char* const mixedClipSvg="m0 0v20h-100v80h90v10h20v-10h90v-90h10v-20h-10v-90h-80v100zm-20-20v-80h-80v80zm-130 170v-300h300v300z";
verifyPoly("mixed clip", mixedClipSvg, aMixedClip);
}
CPPUNIT_TEST_SUITE(clipstate);
CPPUNIT_TEST(verifySimpleRange);
CPPUNIT_TEST(verifyMixedClips);
CPPUNIT_TEST_SUITE_END();
};
CPPUNIT_TEST_SUITE_REGISTRATION(basegfx2d::clipstate);
} // namespace basegfx2d
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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