ShapeResizeStrategy.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 SHAPERESIZESTRATEGY_H
#define SHAPERESIZESTRATEGY_H
 
#include <KoInteractionStrategy.h>
#include <KoFlake.h>
 
#include <QScopedPointer>
#include <QPointF>
#include <QList>
#include <QTransform>
 
#include <memory>
 
class KoToolBase;
class KoShape;
class KoShapeResizeCommand;
class KoSelection;
 
class ShapeResizeStrategy : public KoInteractionStrategy
{
public:
    ShapeResizeStrategy(KoToolBase *tool, KoSelection *selection, const QPointF &clicked, KoFlake::SelectionHandle direction, bool forceUniformScalingMode);
    ~ShapeResizeStrategy() override;
 
    void handleMouseMove(const QPointF &mouseLocation, Qt::KeyboardModifiers modifiers) override;
    KUndo2Command *createCommand() override;
    void finishInteraction(Qt::KeyboardModifiers modifiers) override;
    void paint(QPainter &painter, const KoViewConverter &converter, const KoColorDisplayRendererInterface *displayRendererInterface) override;
private:
    void resizeBy(const QPointF &stillPoint, qreal zoomX, qreal zoomY);
 
    QPointF m_start;
    QList<KoShape *> m_selectedShapes;
 
    QTransform m_postScalingCoveringTransform;
    QSizeF m_initialSelectionSize;
    QTransform m_unwindMatrix;
    bool m_top {false};
    bool m_left{false};
    bool m_bottom {false};
    bool m_right {false};
 
    QPointF m_globalStillPoint;
    QPointF m_globalCenterPoint;
    std::unique_ptr<KoShapeResizeCommand> m_executedCommand;
 
    bool m_forceUniformScalingMode {false};
};
 
#endif