www.gusucode.com > VC 颜色调节程序 > VC 颜色调节程序/gusucode/MixColorDlg.cpp
//Download by http://www.NewXing.com // MixColorDlg.cpp : implementation file // #include "stdafx.h" #include "MixColor.h" #include "MixColorDlg.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() ///////////////////////////////////////////////////////////////////////////// // CMixColorDlg dialog CMixColorDlg::CMixColorDlg(CWnd* pParent /*=NULL*/) : CDialog(CMixColorDlg::IDD, pParent) { //{{AFX_DATA_INIT(CMixColorDlg) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); //初始化变量值 m_clrBackGround = GetSysColor(COLOR_MENU); m_clrTxt = GetSysColor(COLOR_MENUTEXT); } void CMixColorDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CMixColorDlg) DDX_Control(pDX, IDC_TXT, m_stcTxt); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CMixColorDlg, CDialog) //{{AFX_MSG_MAP(CMixColorDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_WM_HSCROLL() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMixColorDlg message handlers BOOL CMixColorDlg::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 //获得背景色的rgb值 int nBackBlue = (m_clrBackGround>>16); int nBackGreen = (m_clrBackGround>>8)&0x0000FF; int nBackRed = m_clrBackGround&0x000000FF; //获得文本颜色的rgb值 int nTxtBlue = (m_clrTxt>>16); int nTxtGreen = (m_clrTxt>>8)&0x0000FF; int nTxtRed = m_clrTxt&0x000000FF; //获得滚动条窗口的指针 CSliderCtrl* pTxtRed = (CSliderCtrl*)GetDlgItem(IDC_TXT_RED); CSliderCtrl* pTxtGreen = (CSliderCtrl*)GetDlgItem(IDC_TXT_GREEN); CSliderCtrl* pTxtBlue = (CSliderCtrl*)GetDlgItem(IDC_TXT_BLUE); CSliderCtrl* pBackRed = (CSliderCtrl*)GetDlgItem(IDC_BACK_RED); CSliderCtrl* pBackGreen = (CSliderCtrl*)GetDlgItem(IDC_BACK_GREEN); CSliderCtrl* pBackBlue = (CSliderCtrl*)GetDlgItem(IDC_BACK_BLUE); //设定滚动条的滚动范围和初始位置 pTxtRed->SetRange(0,255); pTxtGreen->SetRange(0,255); pTxtBlue->SetRange(0,255); pTxtRed->SetPos(nTxtRed); pTxtGreen->SetPos(nTxtGreen); pTxtBlue->SetPos(nTxtBlue); pBackRed->SetRange(0,255); pBackGreen->SetRange(0,255); pBackBlue->SetRange(0,255); pBackRed->SetPos(nBackRed); pBackGreen->SetPos(nBackGreen); pBackBlue->SetPos(nBackBlue); return TRUE; // return TRUE unless you set the focus to a control } void CMixColorDlg::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 CMixColorDlg::OnPaint() { CPaintDC dc(this); // device context for painting if (IsIconic()) { 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(); } //获得静态文本框的窗口指针和其设备场景 CStatic* pTxt = (CStatic*)GetDlgItem(IDC_TXT); CDC* pDC = pTxt->GetDC(); //获得静态文本框的客户区域 CRect rc; pTxt->GetClientRect(&rc); //创建画背景的画刷,并用其填充背景 CBrush brush; brush.CreateSolidBrush(m_clrBackGround); pDC->FillRect(&rc,&brush); //设定文字的色彩,并输出文字 pDC->SetBkColor(m_clrBackGround); pDC->SetTextColor(m_clrTxt); pDC->DrawText("调色程序",&rc,DT_CENTER|DT_SINGLELINE|DT_VCENTER); pTxt->ReleaseDC(pDC); } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CMixColorDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CMixColorDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) { CDialog::OnHScroll(nSBCode, nPos, pScrollBar); //不是拖动的消息不处理 if( nSBCode != SB_THUMBTRACK) return; //获得静态文本框的客户区域 CStatic* pTxt = (CStatic*)GetDlgItem(IDC_TXT); CRect rc; pTxt->GetClientRect(&rc); //判断拖动的是哪个滚动条,然后根据滚动条的当前位置改变文本框的前景色和背景色 switch(pScrollBar->GetDlgCtrlID()) { case IDC_TXT_BLUE: m_clrTxt = (m_clrTxt&0x0000FFFF)+(nPos<<16); break; case IDC_TXT_GREEN: m_clrTxt = (m_clrTxt&0x00FF00FF)+(nPos<<8); break; case IDC_TXT_RED: m_clrTxt = (m_clrTxt&0x00FFFF00)+nPos; break; case IDC_BACK_BLUE: m_clrBackGround = (m_clrBackGround&0x0000FFFF)+(nPos<<16); break; case IDC_BACK_GREEN: m_clrBackGround = (m_clrBackGround&0x00FF00FF)+(nPos<<8); break; case IDC_BACK_RED: m_clrBackGround = (m_clrBackGround&0x00FFFF00)+nPos; break; } //重画文本框窗口区域 InvalidateRect(&rc); }