DAGraphicsMarkItem.h

#ifndef DAGRAPHICSMARKITEM_H
#define DAGRAPHICSMARKITEM_H
#include "DAGraphicsItem.h"
#include "DAGraphicsViewGlobal.h"
class QDomDocument;
class QDomElement;
 
namespace DA
{
class DAGraphicsScene;
class DAGRAPHICSVIEW_API DAGraphicsMarkItem : public DAGraphicsItem
{
    Q_OBJECT
    DA_DECLARE_PRIVATE(DAGraphicsMarkItem)
public:
    enum
    {
        Type = DA::ItemType_DAGraphicsMarkItem
    };
    virtual int type() const override
    {
        return (Type);
    }
 
    enum MarkShape
    {
        ShapeRect,   
        ShapeCross,  
        ShapeUserDefine = 1000
    };
 
public:
    DAGraphicsMarkItem(QGraphicsItem* parent = nullptr);
    ~DAGraphicsMarkItem();
    // 保存到xml中
    virtual bool saveToXml(QDomDocument* doc, QDomElement* parentElement, const QVersionNumber& ver) const override;
    virtual bool loadFromXml(const QDomElement* parentElement, const QVersionNumber& ver) override;
    // 设置边界，如果设置QRectF(),则相当于清除手动设置的边界
    void setMarkBoundingRect(const QRectF& r);
    // 设置形状
    void setMarkShape(int shapeStyle);
    int getMarkShape() const;
    //
    virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr) override;
    virtual QRectF boundingRect() const override;
};
 
}
 
#endif  // DAGRAPHICSMARKITEM_H