SpiralShape.h

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/* This file is part of the KDE project
   SPDX-FileCopyrightText: 2007 Rob Buis <buis@kde.org>
 
   SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#ifndef KOSPIRALSHAPE_H
#define KOSPIRALSHAPE_H
 
#include "KoParameterShape.h"
 
#define SpiralShapeId "SpiralShape"
 
class SpiralShape : public KoParameterShape
{
public:
    enum SpiralType {
        Curve = 0,   
        Line = 1    
    };
 
    SpiralShape();
    ~SpiralShape() override;
 
    KoShape* cloneShape() const override;
 
    void setSize(const QSizeF &newSize) override;
    QPointF normalize() override;
 
    void setType(SpiralType type);
 
    SpiralType type() const;
 
    void setFade(qreal fade);
 
    qreal fade() const;
 
    bool clockWise() const;
    void setClockWise(bool clockwise);
 
    QString pathShapeId() const override;
 
protected:
    SpiralShape(const SpiralShape &rhs);
 
    void moveHandleAction(int handleId, const QPointF &point, Qt::KeyboardModifiers modifiers = Qt::NoModifier) override;
    void updatePath(const QSizeF &size) override;
    void createPath(const QSizeF &size);
 
private:
    void updateKindHandle();
    void updateAngleHandles();
 
    // fade parameter
    qreal m_fade;
    // angle for modifying the kind in radiant
    qreal m_kindAngle;
    // the center of the spiral
    QPointF m_center;
    // the radii of the spiral
    QPointF m_radii;
    // the actual spiral type
    SpiralType m_type;
    //
    bool m_clockwise;
 
    KoSubpath m_points;
};
 
#endif /* KOSPIRALSHAPE_H */