stroke.cpp

来自「使用MFC编写的实现绘图功能的程序源代码」· C++ 代码 · 共 78 行

// Stroke.cpp: implementation of the CStroke class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "SingleDraw.h"
#include "Stroke.h"
#include "afxTempl.h"



#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

IMPLEMENT_SERIAL(CStroke, CObject, 1)

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CStroke::CStroke()
{
	m_penWidth = 1;		// default pen width
	m_penStyle = PS_SOLID;	// default pen style
	m_colorRef = RGB(0, 0, 0);	// default color
}

CStroke::~CStroke()
{
	m_pointArray.RemoveAll();	// delete all element.
}

void CStroke::Serialize(CArchive &ar)
{
	if(ar.IsStoring())
	{
		ar << m_penWidth;
		ar << m_penStyle;
		ar << m_colorRef;
	}
	else
	{
		ar >> m_penWidth;
		ar >> m_penStyle;
		ar >> m_colorRef;
	}
	m_pointArray.Serialize(ar);
}

void CStroke::DrawStroke(CDC *pDC)
{
	CPen *pOldPen;
	CPen *pCurPen = new CPen;
	
	pCurPen->CreatePen(PS_SOLID, m_penWidth, m_colorRef);
	
	pOldPen = pDC->SelectObject(pCurPen);
	pDC->MoveTo(m_pointArray[0]);

	int i;
	for(i=1; i<m_pointArray.GetSize(); i++)
	{
		pDC->LineTo(m_pointArray[i]);
		pDC->MoveTo(m_pointArray[i]);
	}
	pDC->SelectObject(pOldPen);
}

void CStroke::SetPen(UINT penStyle, UINT penWidth, COLORREF rgb)
{
	m_colorRef = rgb;
	m_penStyle = penStyle;
	m_penWidth = penWidth;
}