C++ (Cpp) lineP Exemples

Exemple #1

Fichier : widget.cpp Projet : MKorobov/Integrals

void Widget::display()
{
    delete layout();
    QSpacerItem *space1 = new QSpacerItem(100,10);
    QSpacerItem *space2 = new QSpacerItem(100,10);
    QSpacerItem *space3 = new QSpacerItem(10,10);

    QHBoxLayout *hlayout = new QHBoxLayout;
    hlayout->addSpacerItem(space1);
    hlayout->addWidget(integral);
    QVBoxLayout *layout = new QVBoxLayout;
    layout->addWidget(numerator);
    if(this->isVisibleDenominator){
        QPixmap lineP(max(lineSizePixels((QString)numerator->text()),lineSizePixels((QString)denominator->text())),2);
        QPainter paint;
        paint.begin(&lineP);
        paint.setBrush(QBrush(Qt::black));
        paint.eraseRect(0,0,1000,1000);
        paint.drawRect(0,0,1000,1000);
        paint.end();
        line->setPixmap(lineP);
        layout->addWidget(line);
        layout->addWidget(denominator);
    }
    hlayout->addLayout(layout);
    hlayout->addSpacerItem(space3);
    hlayout->addWidget(diff);
    hlayout->addSpacerItem(space2);
    QVBoxLayout *vlayout = new QVBoxLayout;
    vlayout->addLayout(hlayout);
    vlayout->addWidget(answer);
    setLayout(vlayout);
}

Exemple #2

Fichier : mathutils.cpp Projet : aurelw/beholder

/* http://geomalgorithms.com/a07-_distance.html */
void intersectLines(const Eigen::Vector3f &p0, const Eigen::Vector3f &p1,
                    const Eigen::Vector3f &q0, const Eigen::Vector3f &q1,
                    Eigen::Vector3f &pointOnP, Eigen::Vector3f &pointOnQ)
{
    Eigen::Vector3f w0 = p0 - q0;

    /* the two vectors on the lines */
    Eigen::Vector3f u = p1 - p0;
    u.normalize();
    Eigen::Vector3f v = q0 - q1;
    v.normalize();

    float a = u.dot(u);
    float b = u.dot(v);
    float c = v.dot(v);
    float d = u.dot(w0);
    float e = v.dot(w0);

    float normFactor = a*c - b*b;
    float sc = (b*e - c*d) / normFactor;
    float tc = (a*e - b*d) / normFactor;

    /* the two nearest points on the lines */
    Eigen::ParametrizedLine<float, 3> lineP(p0, u);
    pointOnP = lineP.pointAt(sc);
    Eigen::ParametrizedLine<float, 3> lineQ(q0, v);
    pointOnQ = lineQ.pointAt(tc);
}

Exemple #3

Fichier : pns_diff_pair_placer.cpp Projet : blairbonnett-mirrors/kicad

bool PNS_DIFF_PAIR_PLACER::FixRoute( const VECTOR2I& aP, PNS_ITEM* aEndItem )
{
    if( !m_fitOk )
        return false;

    if( m_currentTrace.CP().SegmentCount() < 1 ||
            m_currentTrace.CN().SegmentCount() < 1 )
        return false;

    if( m_currentTrace.CP().SegmentCount() > 1 )
        m_initialDiagonal = !DIRECTION_45( m_currentTrace.CP().CSegment( -2 ) ).IsDiagonal();

    PNS_TOPOLOGY topo( m_lastNode );

    if( !m_snapOnTarget && !m_currentTrace.EndsWithVias() )
    {
        SHAPE_LINE_CHAIN newP( m_currentTrace.CP() );
        SHAPE_LINE_CHAIN newN( m_currentTrace.CN() );

        if( newP.SegmentCount() > 1 && newN.SegmentCount() > 1 )
        {
            newP.Remove( -1, -1 );
            newN.Remove( -1, -1 );
        }

        m_currentTrace.SetShape( newP, newN );
    }

    if( m_currentTrace.EndsWithVias() )
    {
        m_lastNode->Add( m_currentTrace.PLine().Via().Clone() );
        m_lastNode->Add( m_currentTrace.NLine().Via().Clone() );
        m_chainedPlacement = false;
    }
    else
    {
        m_chainedPlacement = !m_snapOnTarget;
    }

    PNS_LINE lineP( m_currentTrace.PLine() );
    PNS_LINE lineN( m_currentTrace.NLine() );

    m_lastNode->Add( &lineP );
    m_lastNode->Add( &lineN );

    topo.SimplifyLine( &lineP );
    topo.SimplifyLine( &lineN );

    m_prevPair = m_currentTrace.EndingPrimitives();

    Router()->CommitRouting( m_lastNode );

    m_lastNode = NULL;
    m_placingVia = false;

    if( m_snapOnTarget )
    {
        m_idle = true;
        return true;
    }
    else
    {
        initPlacement();
        return false;
    }
}