drawdemodoc.cpp

一个关于画图的小程序

// DrawDemoDoc.cpp :  CDrawDemoDoc 类的实现
//
#include "stdafx.h"
#include "DrawDemo.h"
#include "DrawDemoDoc.h"
#include "PicObj.h"
//#include "conio.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CDrawDemoDoc

IMPLEMENT_DYNCREATE(CDrawDemoDoc, CDocument)

BEGIN_MESSAGE_MAP(CDrawDemoDoc, CDocument)
END_MESSAGE_MAP()


// CDrawDemoDoc 构造/析构

CDrawDemoDoc::CDrawDemoDoc()
{
	// TODO: 在此添加一次性构造代码

}

CDrawDemoDoc::~CDrawDemoDoc()
{
}

BOOL CDrawDemoDoc::OnNewDocument()
{
	if (!CDocument::OnNewDocument())
		return FALSE;

	// TODO: 在此添加重新初始化代码
	// (SDI 文档将重用该文档)

	return TRUE;
}




// CDrawDemoDoc 序列化

void CDrawDemoDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: 在此添加存储代码
	}
	else
	{
		// TODO: 在此添加加载代码
	}
	m_ObjList.Serialize(ar);
}


// CDrawDemoDoc 诊断

#ifdef _DEBUG
void CDrawDemoDoc::AssertValid() const
{
	CDocument::AssertValid();
}

void CDrawDemoDoc::Dump(CDumpContext& dc) const
{
	CDocument::Dump(dc);
}
#endif //_DEBUG


void CDrawDemoDoc::AddLine(CPoint start,CPoint end)
{
	CPicObj *NewObj= NULL;
	NewObj = new CPicObj(start,end);
	m_ObjList.Add(NewObj);
}
void CDrawDemoDoc::Draw(CDC *pDC)
{
	int size=(int)m_ObjList.GetSize();
	CPicObj *tempObj;
	for(int i=0;i<size;i++)
	{
		tempObj=(CPicObj*)m_ObjList.GetAt(i);
		pDC->MoveTo(tempObj->m_start);
		pDC->LineTo(tempObj->m_end);
	}
}