arc.cpp

数据库开发

// Arc.cpp: implementation of the CArc class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "MyDraw.h"
#include "Arc.h"
#include "LineProperties.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
IMPLEMENT_SERIAL(CArc,CObject,1)

CArc::CArc()
{
	Direction=0;
}

CArc::~CArc()
{
	
}

void CArc::Serialize(CArchive & ar)
{
	CObject::Serialize(ar);
    if(ar.IsLoading())
    {
		ar>>startX>>startY>>endX>>endY>>Direction>>
			MyPen.lopnWidth.x>>MyPen.lopnColor>>MyPen.lopnStyle;
    }
	else
	{
        ar<<startX<<startY<<endX<<endY<<Direction<<
			MyPen.lopnWidth.x<<MyPen.lopnColor<<MyPen.lopnStyle;
    }
}

void CArc::ShowProperties()
{
	CLineProperties LineDlg;
	CString str_LineWidth;
	str_LineWidth.Format("%d",this->MyPen.lopnWidth.x);
	LineDlg.m_LineWidth=str_LineWidth; 
	
	if (this->MyPen.lopnStyle==PS_DASH)
		LineDlg.m_LineStyle="虚线";
	else if (this->MyPen.lopnStyle==PS_DOT)
		LineDlg.m_LineStyle="点线";
	else if(this->MyPen.lopnStyle==PS_DASHDOT)
		LineDlg.m_LineStyle="点划线";
	else
		LineDlg.m_LineStyle="实线";
	
	LineDlg.m_LineColor=this->MyPen.lopnColor;  
	if (LineDlg.DoModal()==IDOK)
	{
		this->MyPen.lopnWidth.x=atoi(LineDlg.m_LineWidth);
		
		if (LineDlg.m_LineStyle=="虚线")
			this->MyPen.lopnStyle=PS_DASH;
		else if (LineDlg.m_LineStyle=="点线")
			this->MyPen.lopnStyle=PS_DOT;
		else if(LineDlg.m_LineStyle=="点划线")
			this->MyPen.lopnStyle=PS_DASHDOT;
		else
			this->MyPen.lopnStyle=PS_SOLID;
		
		this->MyPen.lopnColor=LineDlg.m_LineColor;  
	}
}

void CArc::Draw(CDC *pDC)
{
	CPen cMyPen;
	CPen* pOldPen;
	cMyPen.CreatePenIndirect(&this->MyPen);
	
	pOldPen=pDC->SelectObject(&cMyPen);
	if(this->Direction)
	{
		pDC->Arc(this->startX,this->startY,this->endX,this->endY,
			this->startX,this->startY,this->endX,this->endY); 	
	}
	else
	{
		pDC->Arc(this->endX,this->endY,this->startX,this->startY,
			this->endX,this->endY,this->startX,this->startY); 	
	}
	pDC->SelectObject(pOldPen);
}