ShapeShearStrategy.h

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2006-2007 Thomas Zander <zander@kde.org>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#ifndef SHAPESHEARSTRATEGY_H
#define SHAPESHEARSTRATEGY_H
 
#include <KoInteractionStrategy.h>
#include <KoFlake.h>
 
#include <QPointF>
#include <QSizeF>
#include <QTransform>
 
class KoToolBase;
class KoShape;
class KoSelection;
 
class ShapeShearStrategy : public KoInteractionStrategy
{
public:
    ShapeShearStrategy(KoToolBase *tool, KoSelection *selection, const QPointF &clicked, KoFlake::SelectionHandle direction);
    ~ShapeShearStrategy() override {}
 
    void handleMouseMove(const QPointF &mouseLocation, Qt::KeyboardModifiers modifiers) override;
    KUndo2Command *createCommand() override;
    void finishInteraction(Qt::KeyboardModifiers modifiers) override
    {
        Q_UNUSED(modifiers);
    }
    void paint(QPainter &painter, const KoViewConverter &converter) override;
 
private:
    QPointF m_start;
    QPointF m_solidPoint;
    QSizeF m_initialSize;
    bool m_top {false};
    bool m_left {false};
    bool m_bottom {false};
    bool m_right {false};
    qreal m_initialSelectionAngle {0.0};
    QTransform m_shearMatrix;
    bool m_isMirrored {false};
    QList<QTransform> m_oldTransforms;
    QList<KoShape *> m_transformedShapesAndSelection;
};
 
#endif