KoPathSegment.h

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2008-2009 Jan Hambrecht <jaham@gmx.net>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#ifndef KOPATHSEGMENT_H
#define KOPATHSEGMENT_H
 
#include "kritaflake_export.h"
#include <QList>
#include <QPair>
 
class KoPathPoint;
class QTransform;
class QPointF;
class QRectF;
 
class KRITAFLAKE_EXPORT KoPathSegment
{
public:
    explicit KoPathSegment(KoPathPoint * first = 0, KoPathPoint * second = 0);
 
    KoPathSegment(const KoPathSegment &segment);
 
    KoPathSegment(const QPointF &p0, const QPointF &p1);
    KoPathSegment(const QPointF &p0, const QPointF &p1, const QPointF &p2);
    KoPathSegment(const QPointF &p0, const QPointF &p1, const QPointF &p2, const QPointF &p3);
 
    KoPathSegment& operator=(const KoPathSegment &other);
 
    ~KoPathSegment();
 
    KoPathPoint *first() const;
 
    void setFirst(KoPathPoint *first);
 
    KoPathPoint *second() const;
 
    void setSecond(KoPathPoint *second);
 
    bool isValid() const;
 
    bool operator==(const KoPathSegment &other) const;
 
    int degree() const;
 
    QList<QPointF> intersections(const KoPathSegment &segment) const;
 
    QList<QPointF> convexHull() const;
 
    QPair<KoPathSegment, KoPathSegment> splitAt(qreal t) const;
 
    QPointF pointAt(qreal t) const;
 
    QRectF boundingRect() const;
 
    QRectF controlPointRect() const;
 
    KoPathSegment mapped(const QTransform &matrix) const;
 
    KoPathSegment toCubic() const;
 
    qreal length(qreal error = 0.005) const;
 
    qreal lengthAt(qreal t, qreal error = 0.005) const;
 
    qreal paramAtLength(qreal length, qreal tolerance = 0.001) const;
 
    bool isFlat(qreal tolerance = 0.01) const;
 
    qreal nearestPoint(const QPointF &point) const;
 
    QList<QPointF> controlPoints() const;
 
    static KoPathSegment interpolate(const QPointF &p0, const QPointF &p1, const QPointF &p2, qreal t);
 
private:
    class Private;
    Private * const d;
};
 
#endif // KOPATHSEGMENT_H