element.cpp

1.通过鼠标拖拽和弹出对话框完成实体、属性、联系的绘制以及各参数设定 2.对绘制的实体、属性、联系提供合法性检查 3.对绘制的图形进行拖动、重设大小、删除 4.通过属性对话框对实体、属性、联系的

#include "stdafx.h"
#include "Element.h"
int Element::isselected(CPoint* e)
{
	if(e->x>=e1.x&&e->x<=e2.x&&e->y>=e1.y&&e->y<=e2.y)
	{
		this->selecting=1;
		return 1;
	}
	else return 0;
}
int Element::isDeleted()
{
	return 0;
}
void Element::paint(CDC& g)
{
	
}
CPoint Element::getPoint1()
{
	return e1;
}
CPoint Element::getPoint2()
{
	return e2;
}
void Element::setPoint1(int x,int y)
{
	this->e1.x=x;
	this->e1.y=y;
}
void Element::setPoint2(int x,int y)
{
	this->e2.x=x;
	this->e2.y=y;
}
void Element::Delete()
{
	
}
void Element::removeAttribute(Attribute *a)
{
	
}
void Element::addAttribute(Attribute *a)
{
	
}
void Element::serial(CArchive& ar)
{
	
}