format.cpp

示例对话框应用程序,设置格式菜单,改变窗口中文字的字形与颜色

// Format.cpp : implementation file
//

#include "stdafx.h"
#include "Dialog.h"
#include "Format.h"

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

/////////////////////////////////////////////////////////////////////////////
// Format dialog


Format::Format(CWnd* pParent /*=NULL*/)
	: CDialog(Format::IDD, pParent)
{
	//{{AFX_DATA_INIT(Format)
	m_bold = FALSE;
	m_italic = FALSE;
	m_color = -1;
	m_underline = FALSE;
	//}}AFX_DATA_INIT
}


void Format::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Format)
	DDX_Check(pDX, IDC_BOLD, m_bold);
	DDX_Check(pDX, IDC_ITALIC, m_italic);
	DDX_Radio(pDX, IDC_RED, m_color);
	DDX_Check(pDX, IDC_UNDERLINE, m_underline);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(Format, CDialog)
	//{{AFX_MSG_MAP(Format)
	ON_WM_PAINT()
	ON_BN_CLICKED(IDC_BOLD, OnBold)
	ON_BN_CLICKED(IDC_ITALIC, OnItalic)
	ON_BN_CLICKED(IDC_UNDERLINE, OnUnderline)
	ON_BN_CLICKED(IDC_RED, OnRed)
	ON_BN_CLICKED(IDC_BLUE, OnBlue)
	ON_BN_CLICKED(IDC_GREEN, OnGreen)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Format message handlers

BOOL Format::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	//保存预览区域坐标
	GetDlgItem(IDC_SAMPLE)->GetWindowRect(&m_RectSample);
	ScreenToClient(&m_RectSample);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void Format::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	int x,y;           //示例文本输出位置
	CFont font,tempfont;
	LOGFONT lf;
    //根据用户的选择，设定字体
    tempfont.CreateStockObject(SYSTEM_FIXED_FONT);
	tempfont.GetObject(sizeof(LOGFONT),&lf);
    if(m_italic)
		lf.lfItalic=1;
	if(m_bold)
		lf.lfWeight=FW_BOLD;
	if(m_underline)
		lf.lfUnderline=1;
	//根据用户的选择，设定字体颜色
	switch(m_color)
	{
	case 1:
		dc.SetTextColor(RGB(255,0,0));
		break;
	case 2:
		dc.SetTextColor(RGB(0,0,255));
		break;
	case 3:
		dc.SetTextColor(RGB(0,255,0));
	}
	font.CreateFontIndirect(&lf);
	dc.SelectObject(&font);
	x=m_RectSample.left +35;
	y=m_RectSample.top+35;
	dc.SetBkMode(TRANSPARENT);
	dc.TextOut(x,y,"xmnUHmn");
	// Do not call CDialog::OnPaint() for painting messages
}

void Format::OnBold() 
{
	// TODO: Add your control notification handler code here
	m_bold=!m_bold;              //用户是否选择加粗
	//刷新预览区域，显示效果
	InvalidateRect(&m_RectSample);
	UpdateWindow();
}

void Format::OnItalic() 
{
	// TODO: Add your control notification handler code here
	m_italic=!m_italic;
    InvalidateRect(&m_RectSample);
	UpdateWindow();
}

void Format::OnUnderline() 
{
	// TODO: Add your control notification handler code here
	m_underline=!m_underline;
    InvalidateRect(&m_RectSample);
	UpdateWindow();
}

void Format::OnRed() 
{
	// TODO: Add your control notification handler code here
	if(IsDlgButtonChecked(IDC_RED))
	{
		m_color=1;
		InvalidateRect(&m_RectSample);
	    UpdateWindow();
	}
}

void Format::OnBlue() 
{
	// TODO: Add your control notification handler code here
	if(IsDlgButtonChecked(IDC_BLUE))
	{
		m_color=2;
		InvalidateRect(&m_RectSample);
	    UpdateWindow();
	}
}

void Format::OnGreen() 
{
	// TODO: Add your control notification handler code here
	if(IsDlgButtonChecked(IDC_GREEN))
	{
		m_color=3;
		InvalidateRect(&m_RectSample);
	    UpdateWindow();
	}
}