picture.cpp

一个关于画图的简单的程序

// PICTURE.cpp : implementation file
//

#include "stdafx.h"
#include "THIRDWORK.h"
#include "PICTURE.h"

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

/////////////////////////////////////////////////////////////////////////////
// PICTURE dialog


PICTURE::PICTURE(CWnd* pParent /*=NULL*/)
	: CDialog(PICTURE::IDD, pParent)
{
	//{{AFX_DATA_INIT(PICTURE)
	m_show = _T("");
	//}}AFX_DATA_INIT
}


void PICTURE::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(PICTURE)
	DDX_Text(pDX, IDC_SHOW, m_show);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(PICTURE, CDialog)
	//{{AFX_MSG_MAP(PICTURE)
	ON_BN_CLICKED(IDC_JUXING, OnJuxing)
	ON_BN_CLICKED(IDC_TUOYUAN, OnTuoyuan)
	ON_WM_PAINT()
	ON_BN_CLICKED(IDC_BLACK, OnBlack)
	ON_BN_CLICKED(IDC_QING, OnQing)
	ON_BN_CLICKED(IDC_BLUE, OnBlue)
	ON_BN_CLICKED(IDC_GREEN, OnGreen)
	ON_BN_CLICKED(IDC_RED, OnRed)
	ON_BN_CLICKED(IDC_WHITE, OnWhite)
	ON_BN_CLICKED(IDC_YELLOW, OnYellow)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// PICTURE message handlers

void PICTURE::OnJuxing() 
{
	// TODO: Add your control notification handler code here
	rect = 1;
	//Invalidate();
	UpdateData(true);
	m_show = "您选择了矩形";
	UpdateData(false);
}

void PICTURE::OnTuoyuan() 
{
	// TODO: Add your control notification handler code here
	rect = 2;
	//Invalidate();
	UpdateData(true);
	m_show = "您选择了椭圆";
	UpdateData(false);
}

void PICTURE::OnOK() 
{
	// TODO: Add extra validation here
	OnCancel();

}



void PICTURE::OnPaint() 
{
	
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	CBrush mybrush;
	CBrush* oldbrush;
	UpdateData();

	dc.SetBkMode(TRANSPARENT);
	//mybrush.CreateSolidBrush(RGB(255,255,255));
	
    
	dc.Rectangle(210,110,430,260);
		//dc.SelectObject(oldbrush);
	
	mybrush.CreateSolidBrush(RGB(red,green,blue));
		
	oldbrush = dc.SelectObject(&mybrush);
	switch(rect)
	{
    case 1:	
	
		dc.Rectangle(230,120,400,250);
		break;
	case 2:	
	
		dc.Ellipse(230,120,400,250);
		break;
	}
    dc.SelectObject(oldbrush);
	// Do not call CDialog::OnPaint() for painting messages

}

void PICTURE::OnBlack() 
{
	// TODO: Add your control notification handler code here
	red = 0;
	green = 0;
	blue = 0;

	Invalidate();
}

void PICTURE::OnQing() 
{
	// TODO: Add your control notification handler code here
	red = 0;
	green = 255;
	blue = 255;
	Invalidate();
}

void PICTURE::OnBlue() 
{
	// TODO: Add your control notification handler code here
	blue = 255;
	red = 0;
	green = 0;
	Invalidate();
}

void PICTURE::OnGreen() 
{
	// TODO: Add your control notification handler code here
	red = 0;
	blue = 0;
	green = 255;
	Invalidate();
}

void PICTURE::OnRed() 
{
	// TODO: Add your control notification handler code here
	red = 255;
	blue = 0;
	green = 0;
	Invalidate();
}

void PICTURE::OnWhite() 
{
	// TODO: Add your control notification handler code here
	red = 255;
	green = 255;
	blue = 255;
	Invalidate();
}

void PICTURE::OnYellow() 
{
	// TODO: Add your control notification handler code here
	red = 255;
	blue = 0;
	green = 255;
	Invalidate();
}