plate.cpp

VC面向对象的学习教程

// Plate.cpp: implementation of the CPlate class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "My.h"
#include "Plate.h"

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

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

// 棋盘类的成员函数
// 构造函数: 初始化
CPlate::CPlate()
{
	m_ndx		= 50;
	m_ndy		= 45;
	m_nLeft	= 198;
	m_nTop		= 30;
	m_nRight	= m_nLeft+m_ndx*8;
	m_nBottom	= m_nTop+m_ndy*9;
}
// 显示棋盘
void CPlate::ShowPlate(CDC *pDC)
{
	// 画棋盘方格
	CPen penRed2(PS_SOLID,2,RGB(255,0,0));
	CPen *pOldPen = pDC->SelectObject(&penRed2);
	for(int i=0; i<10; i++)
	{
		pDC->MoveTo(m_nLeft, m_nTop+i*m_ndy);
		pDC->LineTo(m_nRight, m_nTop+i*m_ndy);
	}
	for(i=0; i<9; i++)
	{
		if(i==0 || i==8)
		{
			pDC->MoveTo(m_nLeft+i*m_ndx, m_nTop);
			pDC->LineTo(m_nLeft+i*m_ndx, m_nBottom);
		}
		else{
			pDC->MoveTo(m_nLeft+i*m_ndx, m_nTop);
			pDC->LineTo(m_nLeft+i*m_ndx, m_nTop+4*m_ndy);
			pDC->MoveTo(m_nLeft+i*m_ndx, m_nTop+5*m_ndy);
			pDC->LineTo(m_nLeft+i*m_ndx, m_nBottom);
		}
	}
	// 画棋盘斜线
	pDC->SelectObject(pOldPen);
	CPen penRed1(PS_SOLID,1,RGB(255,0,0));
	pOldPen = pDC->SelectObject(&penRed1);
	pDC->MoveTo(m_nLeft+3*m_ndx, m_nTop);
	pDC->LineTo(m_nLeft+5*m_ndx, m_nTop+2*m_ndy);
	pDC->MoveTo(m_nLeft+3*m_ndx, m_nTop+2*m_ndy);
	pDC->LineTo(m_nLeft+5*m_ndx, m_nTop);
	pDC->MoveTo(m_nLeft+3*m_ndx, m_nBottom);
	pDC->LineTo(m_nLeft+5*m_ndx, m_nBottom-2*m_ndy);
	pDC->MoveTo(m_nLeft+3*m_ndx, m_nBottom-2*m_ndy);
	pDC->LineTo(m_nLeft+5*m_ndx, m_nBottom);
	pDC->SelectObject(pOldPen);
	// 画兵, 炮位标记
	DrawConer(pDC, 2, 1, 0);
	DrawConer(pDC, 2, 7, 0);
	DrawConer(pDC, 3, 0, 1);
	DrawConer(pDC, 3, 2, 0);
	DrawConer(pDC, 3, 4, 0);
	DrawConer(pDC, 3, 6, 0);
	DrawConer(pDC, 3, 8, 2);
	DrawConer(pDC, 7, 1, 0);
	DrawConer(pDC, 7, 7, 0);
	DrawConer(pDC, 6, 0, 1);
	DrawConer(pDC, 6, 2, 0);
	DrawConer(pDC, 6, 4, 0);
	DrawConer(pDC, 6, 6, 0);
	DrawConer(pDC, 6, 8, 2);
}
// 绘制兵, 炮位标志
void CPlate::DrawConer(CDC *pDC, int row, int col, int type)
{
	CPen penRed1(PS_SOLID,1,RGB(255,0,0));
	CPen *pOldPen = pDC->SelectObject(&penRed1);
	if(type == 0 || type == 1)
	{
		pDC->MoveTo(m_nLeft+col*m_ndx+ 3, m_nTop+row*m_ndy-10);
		pDC->LineTo(m_nLeft+col*m_ndx+ 3, m_nTop+row*m_ndy-3);
		pDC->LineTo(m_nLeft+col*m_ndx+10, m_nTop+row*m_ndy-3);
		pDC->MoveTo(m_nLeft+col*m_ndx+ 3, m_nTop+row*m_ndy+10);
		pDC->LineTo(m_nLeft+col*m_ndx+ 3, m_nTop+row*m_ndy+3);
		pDC->LineTo(m_nLeft+col*m_ndx+10, m_nTop+row*m_ndy+3);
	}
	if(type == 0 || type == 2)
	{
		pDC->MoveTo(m_nLeft+col*m_ndx- 3, m_nTop+row*m_ndy-10);
		pDC->LineTo(m_nLeft+col*m_ndx- 3, m_nTop+row*m_ndy-3);
		pDC->LineTo(m_nLeft+col*m_ndx-10, m_nTop+row*m_ndy-3);
		pDC->MoveTo(m_nLeft+col*m_ndx- 3, m_nTop+row*m_ndy+10);
		pDC->LineTo(m_nLeft+col*m_ndx- 3, m_nTop+row*m_ndy+3);
		pDC->LineTo(m_nLeft+col*m_ndx-10, m_nTop+row*m_ndy+3);
	}
	pDC->SelectObject(pOldPen);
}
// 取棋盘上各交叉点的坐标
CPoint CPlate::GetPosition(int col, int row)
{
	CPoint point;
	point.x = m_nLeft+col*m_ndx;
	point.y = m_nTop+row*m_ndy;
	return point;
}