Fixed issue #957. Unable to cut an arc with negative length.
(grafted from 885261e387dda0508fda374445b9c05e379103e0) --HG-- branch : develop
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@ -33,6 +33,7 @@
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- [#954] Valentina produces empty rotation operation.
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- [#955] Valentina corrupts file.
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- [#956] Setting pattern unit doesn't change combobox value in Tape app.
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- [#957] Unable to cut an arc with negative length.
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# Version 0.6.1 October 23, 2018
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- [#885] Regression. Broken support for multi size measurements.
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23
src/app/share/collection/bugs/Issue_#957.val
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23
src/app/share/collection/bugs/Issue_#957.val
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@ -0,0 +1,23 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<pattern>
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<!--Pattern created with Valentina v0.6.2.0 (https://valentinaproject.bitbucket.io/).-->
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<version>0.7.12</version>
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<unit>cm</unit>
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<description/>
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<notes/>
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<measurements/>
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<increments/>
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<previewCalculations/>
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<draw name="Pattern piece 1">
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<calculation>
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<point id="1" mx="0.132292" my="0.264583" name="А" showLabel="true" type="single" x="5.00423" y="9.10502"/>
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<arc aScale="0.5" angle1="45" center="1" color="black" id="2" length="-10" penStyle="hair" radius="10" type="arcWithLength"/>
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<point arc="2" id="3" length="6" mx="0.132292" my="0.264583" name="А1" showLabel="true" type="cutArc"/>
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<arc aScale="0" angle1="135" center="1" color="black" id="4" length="10" penStyle="hair" radius="10" type="arcWithLength"/>
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<point arc="4" id="5" length="-7" mx="0.132292" my="0.241842" name="А2" showLabel="true" type="cutArc"/>
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</calculation>
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<modeling/>
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<details/>
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<groups/>
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</draw>
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</pattern>
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@ -232,8 +232,7 @@ QVector<QPointF> VArc::GetPoints() const
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QVector<QPointF> points;
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QVector<qreal> sectionAngle;
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QPointF pStart;
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IsFlipped() ? pStart = GetP2() : pStart = GetP1();
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QPointF pStart = IsFlipped() ? GetP2() : GetP1();
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{
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qreal angle = AngleArc();
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@ -304,53 +303,56 @@ QVector<QPointF> VArc::GetPoints() const
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* @param arc2 second arc.
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* @return point cutting
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*/
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QPointF VArc::CutArc(const qreal &length, VArc &arc1, VArc &arc2) const
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QPointF VArc::CutArc(qreal length, VArc &arc1, VArc &arc2) const
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{
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//Always need return two arcs, so we must correct wrong length.
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qreal len = 0;
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const qreal minLength = ToPixel(1, Unit::Mm);
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const qreal fullLength = GetLength();
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if (fullLength <= minLength)
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if (qAbs(fullLength) < ToPixel(2, Unit::Mm))
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{
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arc1 = VArc();
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arc2 = VArc();
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return QPointF();
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}
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const qreal maxLength = fullLength - minLength;
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QLineF line(static_cast<QPointF>(GetCenter()), GetP1());
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if (length < minLength)
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if (not IsFlipped())
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{
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len = minLength;
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}
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else if (length > maxLength)
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{
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len = maxLength;
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if (length < 0)
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{
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length = fullLength + length;
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}
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length = qBound(ToPixel(1, Unit::Mm), length, fullLength - ToPixel(1, Unit::Mm));
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line.setAngle(line.angle() + qRadiansToDegrees(length/d->radius));
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}
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else
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{
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len = length;
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if (length > 0)
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{
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length = fullLength + length;
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}
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length = qBound(fullLength + ToPixel(1, Unit::Mm), length, ToPixel(-1, Unit::Mm));
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line.setAngle(line.angle() - qRadiansToDegrees(qAbs(length)/d->radius));
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}
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qreal n = qRadiansToDegrees(len/d->radius); // n - is angle in degrees
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QLineF line(static_cast<QPointF>(GetCenter()), GetP1());
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line.setAngle(line.angle()+n);
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arc1 = VArc (GetCenter(), d->radius, d->formulaRadius, GetStartAngle(), GetFormulaF1(), line.angle(),
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QString().setNum(line.angle()), getIdObject(), getMode());
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arc1.SetApproximationScale(GetApproximationScale());
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arc1.SetFlipped(IsFlipped());
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arc2 = VArc (GetCenter(), d->radius, d->formulaRadius, line.angle(), QString().setNum(line.angle()), GetEndAngle(),
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GetFormulaF2(), getIdObject(), getMode());
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arc2.SetApproximationScale(GetApproximationScale());
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arc2.SetFlipped(IsFlipped());
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return line.p2();
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}
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//---------------------------------------------------------------------------------------------------------------------
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QPointF VArc::CutArc(const qreal &length) const
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QPointF VArc::CutArc(qreal length) const
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{
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VArc arc1;
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VArc arc2;
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@ -83,8 +83,8 @@ public:
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virtual QVector<QPointF> GetPoints () const override;
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QPointF CutArc (const qreal &length, VArc &arc1, VArc &arc2) const;
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QPointF CutArc (const qreal &length) const;
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QPointF CutArc (qreal length, VArc &arc1, VArc &arc2) const;
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QPointF CutArc (qreal length) const;
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protected:
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virtual void CreateName() override;
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virtual void FindF2(qreal length) override;
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@ -318,3 +318,81 @@ void TST_VArc::TestFlip()
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QCOMPARE(originArc.GetRadius(), res.GetRadius());
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QCOMPARE(originArc.AngleArc(), res.AngleArc());
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}
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//---------------------------------------------------------------------------------------------------------------------
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void TST_VArc::TestCutArc_data()
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{
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QTest::addColumn<QPointF>("center");
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QTest::addColumn<qreal>("radius");
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QTest::addColumn<qreal>("startAngle");
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QTest::addColumn<qreal>("length");
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QTest::addColumn<qreal>("cutLength");
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QTest::addColumn<QPointF>("cutPoint");
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QPointF center (189.13625196850393, 344.1267401574803);
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qreal radius = ToPixel(10, Unit::Cm);
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qreal startAngle = 45.0;
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qreal length = ToPixel(-10, Unit::Cm);
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qreal cutLength = ToPixel(6, Unit::Cm);
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QPointF cutPoint(539.3657292513009, 202.04366960088566);
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// See file <root>/src/app/share/collection/bugs/Issue_#957.val
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QTest::newRow("Arc -10 cm length, cut length 6 cm") << center << radius << startAngle << length << cutLength
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<< cutPoint;
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cutLength = ToPixel(-4, Unit::Cm);
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// Opposite case
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QTest::newRow("Arc -10 cm length, cut length -4 cm") << center << radius << startAngle << length << cutLength
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<< cutPoint;
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startAngle = 135;
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length = ToPixel(10, Unit::Cm);
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cutLength = ToPixel(-7, Unit::Cm);
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cutPoint = QPointF(-145.1588983496871, 167.78888781060192);
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// See file <root>/src/app/share/collection/bugs/Issue_#957.val
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QTest::newRow("Arc 10 cm length, cut length -7 cm") << center << radius << startAngle << length << cutLength
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<< cutPoint;
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// Opposite case
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cutLength = ToPixel(3, Unit::Cm);
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QTest::newRow("Arc 10 cm length, cut length 3 cm") << center << radius << startAngle << length << cutLength
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<< cutPoint;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void TST_VArc::TestCutArc()
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{
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QFETCH(QPointF, center);
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QFETCH(qreal, radius);
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QFETCH(qreal, startAngle);
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QFETCH(qreal, length);
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QFETCH(qreal, cutLength);
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QFETCH(QPointF, cutPoint);
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VArc arc (length, VPointF(center), radius, startAngle);
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arc.SetApproximationScale(0.5);
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VArc arc1;
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VArc arc2;
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QPointF point = arc.CutArc(cutLength, arc1, arc2);
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QCOMPARE(point, cutPoint);
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QCOMPARE(arc1.IsFlipped(), arc.IsFlipped());
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QCOMPARE(arc2.IsFlipped(), arc.IsFlipped());
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QCOMPARE(arc1.GetApproximationScale(), arc.GetApproximationScale());
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QCOMPARE(arc2.GetApproximationScale(), arc.GetApproximationScale());
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QCOMPARE(arc1.GetStartAngle(), arc.GetStartAngle());
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QCOMPARE(arc2.GetEndAngle(), arc.GetEndAngle());
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QVERIFY(VFuzzyComparePossibleNulls(arc1.GetEndAngle(), arc2.GetStartAngle()));
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QCOMPARE(arc1.GetLength() + arc2.GetLength(), arc.GetLength());
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qreal segmentsLength = VAbstractCurve::PathLength(arc1.GetPoints()) + VAbstractCurve::PathLength(arc2.GetPoints());
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QVERIFY(qAbs(segmentsLength - VAbstractCurve::PathLength(arc.GetPoints())) <= accuracyPointOnLine);
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}
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@ -46,6 +46,8 @@ private slots:
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void TestRotation();
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void TestFlip_data();
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void TestFlip();
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void TestCutArc_data();
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void TestCutArc();
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};
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#endif // TST_VARC_H
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