www.pudn.com > RichDrawText_demo.zip > RichDrawExampleDlg.cpp

// RichDrawExampleDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "RichDrawExample.h" 
#include "RichDrawExampleDlg.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#endif 
 
 
// CRichDrawExampleDlg dialog 
 
 
 
CRichDrawExampleDlg::CRichDrawExampleDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CRichDrawExampleDlg::IDD, pParent) 
{ 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CRichDrawExampleDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
} 
 
BEGIN_MESSAGE_MAP(CRichDrawExampleDlg, CDialog) 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	//}}AFX_MSG_MAP 
  ON_WM_SIZE() 
END_MESSAGE_MAP() 
 
 
// CRichDrawExampleDlg message handlers 
 
BOOL CRichDrawExampleDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// Set the icon for this dialog.  The framework does this automatically 
	//  when the application's main window is not a dialog 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
 
  // Set up the example rich text 
  m_RichText.SetText( 
    L"The quick brown fox jumped over the lazy dog. " 
    L"The quick brown fox jumped over the lazy dog. " 
    L"The quick brown fox jumped over the lazy dog. " 
    L"The quick brown fox jumped over the lazy dog. " 
    L"The quick brown fox jumped over the lazy dog. " 
    L"The quick brown fox jumped over the lazy dog. " 
    L"The quick brown fox jumped over the lazy dog. "); 
  COLORREF colours[] = { 
    RGB(0xFF,0x00,0x00), 
    RGB(0x00,0xFF,0x00), 
    RGB(0x00,0x00,0xFF), 
    RGB(0xFF,0xFF,0x00), 
    RGB(0xFF,0x00,0xFF), 
    RGB(0x00,0xFF,0xFF), 
    RGB(0x00,0x00,0x00) 
  }; 
  for (int i = 0; i < sizeof colours / sizeof colours[0]; i++) 
  { 
    CComPtr range; 
    m_RichText.Range(i*46,(i+1)*46,&range); 
 
    CComPtr font; 
    range->GetFont(&font); 
    font->SetForeColor(colours[i]); 
    font->SetSize((float)(9+i)); 
  } 
 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
// If you add a minimize button to your dialog, you will need the code below 
//  to draw the icon.  For MFC applications using the document/view model, 
//  this is automatically done for you by the framework. 
 
void CRichDrawExampleDlg::OnPaint()  
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // device context for painting 
 
		SendMessage(WM_ICONERASEBKGND, reinterpret_cast(dc.GetSafeHdc()), 0); 
 
		// Center icon in client rectangle 
		int cxIcon = GetSystemMetrics(SM_CXICON); 
		int cyIcon = GetSystemMetrics(SM_CYICON); 
		CRect rect; 
		GetClientRect(&rect); 
		int x = (rect.Width() - cxIcon + 1) / 2; 
		int y = (rect.Height() - cyIcon + 1) / 2; 
 
		// Draw the icon 
		dc.DrawIcon(x, y, m_hIcon); 
	} 
	else 
	{ 
		CPaintDC dc(this); 
 
    // Work out a suitable space for the text 
    CRect rect; 
    GetClientRect(rect); 
    rect.DeflateRect(16,10); 
 
    // Work out how much vertical space the text needs 
    m_RichText.SizeText(dc,rect); 
 
    // Fill the text background 
    dc.FillSolidRect(rect,RGB(255,255,255)); 
 
    // Draw the text 
    m_RichText.DrawText(dc,rect); 
 
    // Draw a gripper to show that the dialog can be resized 
    GetClientRect(rect); 
	  rect.left = rect.right - ::GetSystemMetrics(SM_CXHSCROLL); 
	  rect.top = rect.bottom - ::GetSystemMetrics(SM_CYVSCROLL); 
  	dc.DrawFrameControl(rect,DFC_SCROLL,DFCS_SCROLLSIZEGRIP); 
  } 
} 
 
// The system calls this function to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CRichDrawExampleDlg::OnQueryDragIcon() 
{ 
	return static_cast(m_hIcon); 
} 
 
void CRichDrawExampleDlg::OnSize(UINT nType, int cx, int cy) 
{ 
  CDialog::OnSize(nType, cx, cy); 
  Invalidate(); 
}