www.gusucode.com > VC++ PickColor配色器_颜色选择器源码-源码程序 > VC++ PickColor配色器_颜色选择器源码-源码程序/code/PickColorDlg.cpp
// PickColorDlg.cpp : implementation file // Download by http://www.NewXing.com #include "stdafx.h" #include "PickColor.h" #include "PickColorDlg.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() ///////////////////////////////////////////////////////////////////////////// // CPickColorDlg dialog CPickColorDlg::CPickColorDlg(CWnd* pParent /*=NULL*/) : CDialog(CPickColorDlg::IDD, pParent) { //{{AFX_DATA_INIT(CPickColorDlg) m_nBValue = 0; m_nGValue = 0; m_nRValue = 0; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CPickColorDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CPickColorDlg) DDX_Control(pDX, IDC_DEMOAREA, m_Area); DDX_Control(pDX, IDC_RSLIDER, m_RSlider); DDX_Control(pDX, IDC_GSLIDER, m_GSlider); DDX_Control(pDX, IDC_BSLIDER, m_BSlider); DDX_Text(pDX, IDC_BVALUE, m_nBValue); DDV_MinMaxUInt(pDX, m_nBValue, 0, 255); DDX_Text(pDX, IDC_GVALUE, m_nGValue); DDV_MinMaxUInt(pDX, m_nGValue, 0, 255); DDX_Text(pDX, IDC_RVALUE, m_nRValue); DDV_MinMaxUInt(pDX, m_nRValue, 0, 255); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CPickColorDlg, CDialog) //{{AFX_MSG_MAP(CPickColorDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_EN_CHANGE(IDC_BVALUE, OnChangeBvalue) ON_EN_CHANGE(IDC_RVALUE, OnChangeRvalue) ON_EN_CHANGE(IDC_GVALUE, OnChangeGvalue) ON_WM_HSCROLL() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CPickColorDlg message handlers BOOL CPickColorDlg::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 m_RSlider.SetRange(0, 255); m_GSlider.SetRange(0, 255); m_BSlider.SetRange(0, 255); m_clColor = RGB(0, 0, 0); return TRUE; // return TRUE unless you set the focus to a control } void CPickColorDlg::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 CPickColorDlg::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(); } UpdateArea(); } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CPickColorDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CPickColorDlg::OnChangeBvalue() { UpdateData(TRUE); m_BSlider.SetPos(m_nBValue); UpdateArea(); } void CPickColorDlg::OnChangeRvalue() { UpdateData(TRUE); m_RSlider.SetPos(m_nRValue); UpdateArea(); } void CPickColorDlg::OnChangeGvalue() { UpdateData(TRUE); m_GSlider.SetPos(m_nGValue); UpdateArea(); } void CPickColorDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) { if (nSBCode == SB_THUMBTRACK) { if (pScrollBar->m_hWnd == m_RSlider.m_hWnd) { m_nRValue = nPos; UpdateData(FALSE); } if (pScrollBar->m_hWnd == m_GSlider.m_hWnd) { m_nGValue = nPos; UpdateData(FALSE); } if (pScrollBar->m_hWnd == m_BSlider.m_hWnd) { m_nBValue = nPos; UpdateData(FALSE); } } m_clColor = RGB(m_nRValue, m_nGValue, m_nBValue); UpdateArea(); CDialog::OnHScroll(nSBCode, nPos, pScrollBar); } void CPickColorDlg::UpdateArea() { CDC* pDC = m_Area.GetDC(); CRect clientRC; m_Area.GetClientRect(clientRC); pDC->FillRect(clientRC, &CBrush(m_clColor)); m_Area.ReleaseDC(pDC); }