05dlg.cpp

“调色板设计”。三原色红色、绿色、蓝色参数分别可用四个单选按钮选取为：0、80、160、255的其中一个值

// 05Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "05.h"
#include "05Dlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMy05Dlg dialog

CMy05Dlg::CMy05Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMy05Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMy05Dlg)
	m_Red = -1;
	m_Green = -1;
	m_Blue = -1;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMy05Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMy05Dlg)
	DDX_Radio(pDX, IDC_RADIO1, m_Red);
	DDX_Radio(pDX, IDC_RADIO5, m_Green);
	DDX_Radio(pDX, IDC_RADIO9, m_Blue);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMy05Dlg, CDialog)
	//{{AFX_MSG_MAP(CMy05Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	ON_BN_CLICKED(IDC_RADIO3, OnRadio3)
	ON_BN_CLICKED(IDC_RADIO4, OnRadio4)
	ON_BN_CLICKED(IDC_RADIO5, OnRadio5)
	ON_BN_CLICKED(IDC_RADIO6, OnRadio6)
	ON_BN_CLICKED(IDC_RADIO7, OnRadio7)
	ON_BN_CLICKED(IDC_RADIO8, OnRadio8)
	ON_BN_CLICKED(IDC_RADIO9, OnRadio9)
	ON_BN_CLICKED(IDC_RADIO10, OnRadio10)
	ON_BN_CLICKED(IDC_RADIO11, OnRadio11)
	ON_BN_CLICKED(IDC_RADIO12, OnRadio12)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMy05Dlg message handlers

BOOL CMy05Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
	
	// TODO: Add extra initialization here

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMy05Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CMy05Dlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) 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
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMy05Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMy05Dlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	EndDialog(1);
}

void CMy05Dlg::Draw()
{
	CWnd *pWnd=GetDlgItem(IDC_DRAW);
	CRect rcClient;
	pWnd->GetClientRect(rcClient);
	CDC *pDC=pWnd->GetDC();
	CBrush drawBrush;
	drawBrush.CreateSolidBrush(RGB(m_Red,m_Green,m_Blue));
	CBrush *pOldBrush=pDC->SelectObject(&drawBrush);
	pDC->Rectangle(rcClient);
	pDC->SelectObject(pOldBrush);
}

void CMy05Dlg::OnRadio1() 
{
	// TODO: Add your control notification handler code here
	m_Red=0;
	
}


void CMy05Dlg::OnRadio2() 
{
	// TODO: Add your control notification handler code here
	m_Red=80;
}

void CMy05Dlg::OnRadio3() 
{
	// TODO: Add your control notification handler code here
	m_Red=160;	
}

void CMy05Dlg::OnRadio4() 
{
	// TODO: Add your control notification handler code here
	m_Red=255;	
}

void CMy05Dlg::OnRadio5() 
{
	// TODO: Add your control notification handler code here
	m_Green=0;	
}

void CMy05Dlg::OnRadio6() 
{
	// TODO: Add your control notification handler code here
	m_Green=80;	
}

void CMy05Dlg::OnRadio7() 
{
	// TODO: Add your control notification handler code here
	m_Green=160;	
}

void CMy05Dlg::OnRadio8() 
{
	// TODO: Add your control notification handler code here
	m_Green=255;	
}

void CMy05Dlg::OnRadio9() 
{
	// TODO: Add your control notification handler code here
	m_Blue=0;	
}

void CMy05Dlg::OnRadio10() 
{
	// TODO: Add your control notification handler code here
	m_Blue=80;	
}

void CMy05Dlg::OnRadio11() 
{
	// TODO: Add your control notification handler code here
	m_Blue=160;	
}

void CMy05Dlg::OnRadio12() 
{
	// TODO: Add your control notification handler code here
	m_Blue=255;	
}

void CMy05Dlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
	Draw();
}