nmWATI/Include/iPlot/iPlotBase/Commands/ZxResizePolicy.h

#pragma once

#include <ZxHandlePolicy.h>
#include <QPointF>
#include <QRectF>
#include "ZxPaintParam.h"

class ZxRenderItem;

/// 经典的8控制点矩形编辑器.
class I_PLOTBASE_EXPORT ZxResizePolicy : public ZxHandlePolicy
{

public:

    ZxResizePolicy();

protected:

    virtual int getHandleId(const QPointF& pt, float fHandleSize);
    virtual void onBeginMove(int handle, const QPointF& pt);
    virtual void onMove(int handle, const QPointF& pt);
    virtual void onEndMove(int handle, const QPointF& pt);
    virtual void onLeftUp(int handle, const QPointF& pt);
    virtual QCursor getCursor(int handle);
    virtual void onPaint(QPainter* painter, const ZxPaintParam& param);
    virtual QRectF getBounds() const;

    void calcHandlePoints(const QRectF& rect);

private:

    QRectF m_rectOrig;
    QRectF m_rectCurrent;
    bool m_bMoving;
    QPointF m_handlePoints[9];
};