#include "StdAfx.h"
#include "DataPoint.h"
#include "GlobalDrawMgr.h"
#include "GlobalFunction.h"

CDataPoint::CDataPoint(Dbxy _pt)
{
    m_bIsNode = false;//是否为节点
    m_pt = _pt;
}
CDataPoint::CDataPoint()
{
    m_bIsNode = false;//是否为节点
}
CDataPoint::~CDataPoint(void)
{
}
//返回绘制用的屏幕坐标
CPoint CDataPoint::GetDevicePt()
{
    return gDraw->Dbxy2CPoint(m_pt);
}
#if 1
//根据操作类型来分发参数
void CDataPoint::Operate(SObjOperatePar &par)
{
    switch(par.OpType)
    {
        case _OP_MOVE:
            Move(par.MoveX,par.MoveY);
            break;
        case _OP_MIRROR:
            Mirror(par.BasePt,par.xy);
            break;
        case _OP_ROTATO:
            Rotato(par.BasePt,_360ToAngle(par.Angle));
            break;
        case _OP_STRETCH:
            Stretch(par.BasePt,par.OldSize,par.Diff,par.xy);
            break;
        default:
            break;
    }
}
//移动
void CDataPoint::Move(double MoveX,double MoveY)
{
    m_pt.x = m_pt.x+MoveX;
    m_pt.y = m_pt.y+MoveY;
}
//拉伸
//BasePt 拉伸基准点
//Size 拉伸前的尺寸
//Diff 是旧尺寸和新尺寸的差
void CDataPoint::Stretch(Dbxy BasePt,double Size,double Diff,X_OR_Y xy)
{
    if(Diff == 0)
        return;
    if(xy == _X)
    {
        m_pt.x = m_pt.x+Diff*((m_pt.x-BasePt.x)/Size);
    }
    else
    {
        m_pt.y = m_pt.y+Diff*((m_pt.y-BasePt.y)/Size);
    }
}
//pt 为镜像基准点
void CDataPoint::Mirror(Dbxy pt,X_OR_Y xy)
{
    if(xy == _X)
    {
        m_pt.x = m_pt.x+(pt.x-m_pt.x)*2;
    }
    else
    {
        m_pt.y = m_pt.y+(pt.y-m_pt.y)*2;
    }
}
//Angle : 弧度角pt : 旋转中心点
void CDataPoint::Rotato(Dbxy pt,double Angle)
{
     m_pt = RotatoPt(m_pt,Angle,pt);
}
#endif
bool CDataPoint::Equal(CDataPoint &pt)
{
    return pt.GetPt().Equal(m_pt);
}

//判断两条线段是否连续
bool DbLine::IsSerialLine(DbLine &line)
{
    if(m_pt1.Equal(line.m_pt1)||m_pt1.Equal(line.m_pt2)
    ||m_pt2.Equal(line.m_pt1)||m_pt2.Equal(line.m_pt2))
    {
        return true;
    }
    return false;
}