nmWATI/Include/iPlot/iPlotBase/ZxSnapGrid.h

#pragma once
#include <QColor>
#include <ZxDynamic.h>
#include <IxGridAlign.h>
#include "IxSerDes.h"
#include "iPlotBase_global.h"

class ZxRenderItem;
class QPainter;
class ZxPaintParam;

/// 对齐网格
/// @note 对齐网格不能做成Layout, 因为只对当前鼠标移动的对象起作用
class I_PLOTBASE_EXPORT ZxSnapGrid
        : virtual public IxDynObj
        , virtual public IxSerDes
        , virtual public IxGridAlign
{
    ZX_DECLARE_DYNAMIC
public:
    enum Style
    {
        dotStyle,
        lineStyle
    };
    explicit ZxSnapGrid(ZxRenderItem * pOwner = 0);
    virtual ~ZxSnapGrid();
    virtual void onSerialize(ZxSerializer* ser);
    virtual void onDeserialize(ZxSerializer* ser);
    virtual QPointF calcSnapPos(const QPointF & pos) const;
    virtual void paint(QPainter * painter, const ZxPaintParam & param);

    int getVCount() const;
    void setVCount(int n);

    int getHCount() const;
    void setHCount(int n);

    void setGridWidth(float fGridWidth);

    QColor getColor() const;
    void setColor(const QColor & color);

    bool isSnapEnabled() const;
    void setSnapEnabled(bool bEnabled);
    bool isGridVisible() const;
    void setGridVisible(bool bVisible);
    Style getStyle() const;
    void setStyle(Style style);
private:
    float getGridWidth() const;
    float getGridHeight() const;

    ZxRenderItem * m_pOwner;
    float m_nVCount;
    float m_nHCount;
    QColor m_color;
    bool m_bEnabled;
    bool m_bVisible;
    Style m_style;
};