www.pudn.com > GetRGB.RAR.zip > ColorSnapDlg.cpp
/////////////////////////////////////////////////////////////////////////////
// 类名：CColorSnapDlg
// 功能：屏幕颜色拾取
// 作者：徐景周(jingzhou_xu@163.net)
// 组织：未来工作室(Future Studio)
// 日期：2002.7.1
////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "ColorSnap.h"
#include "ColorSnapDlg.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 };
CWBButton m_OK;
//}}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)
virtual BOOL OnInitDialog();
//}}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)
DDX_Control(pDX, IDOK, m_OK);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
//********************************************************************************
//* 名称：OnInitDialog
//* 作者：徐景周(jingzhou_xu@163.net)
//* 功能：初始化关于对话框
//********************************************************************************
BOOL CAboutDlg::OnInitDialog()
{
CDialog::OnInitDialog();
//设置位图按钮
m_OK.LoadBitmaps(IDB_BUTTON,5, 5, 5, 5, 4 );
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
/////////////////////////////////////////////////////////////////////////////
// CColorSnapDlg dialog
CColorSnapDlg::CColorSnapDlg(CWnd* pParent /*=NULL*/)
: CDialog(CColorSnapDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CColorSnapDlg)
// 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);
}
void CColorSnapDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CColorSnapDlg)
DDX_Control(pDX, IDC_ColorPicker, m_ColorPicker);
DDX_Control(pDX, IDC_ABOUT, m_About);
DDX_Control(pDX, IDOK, m_OK);
DDX_Control(pDX, IDC_EDITRED, m_EditRed);
DDX_Control(pDX, IDC_EDITGREEN, m_EditGreen);
DDX_Control(pDX, IDC_EDITBLUE, m_EditBlue);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CColorSnapDlg, CDialog)
//{{AFX_MSG_MAP(CColorSnapDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_ABOUT, OnAbout)
ON_BN_CLICKED(IDC_ColorPicker, OnColorPicker)
ON_WM_TIMER()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CColorSnapDlg message handlers
//********************************************************************************
//* 名称：OnInitDialog
//* 作者：徐景周(jingzhou_xu@163.net)
//* 功能：初始化对话框
//********************************************************************************
BOOL CColorSnapDlg::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
//设置位图按钮
m_About.LoadBitmaps(IDB_BUTTON,5, 5, 5, 5, 4 );
m_OK.LoadBitmaps(IDB_BUTTON,5, 5, 5, 5, 4 );
return TRUE; // return TRUE unless you set the focus to a control
}
void CColorSnapDlg::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 CColorSnapDlg::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 CColorSnapDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
//********************************************************************************
//* 名称：OnAbout
//* 作者：徐景周(jingzhou_xu@163.net)
//* 功能：弹出关于对话框
//********************************************************************************
void CColorSnapDlg::OnAbout()
{
CAboutDlg dlg;
dlg.DoModal();
}
//********************************************************************************
//* 名称：OnColorPicker
//* 作者：徐景周(jingzhou_xu@163.net)
//* 功能：进行拾取操作时
//********************************************************************************
void CColorSnapDlg::OnColorPicker()
{
if (m_ColorPicker.GetCheck())
{
SetWindowPos(&wndTopMost, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
SetTimer(1, 80, NULL);
}
else
{
SetWindowPos(&wndNoTopMost, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
KillTimer(1);
}
}
//********************************************************************************
//* 名称：OnTimer
//* 作者：徐景周(jingzhou_xu@163.net)
//* 功能：在此动态拾取屏幕颜色到编辑框中
//********************************************************************************
void CColorSnapDlg::OnTimer(UINT nIDEvent)
{
if (nIDEvent != 1)
return;
CPoint pt;
GetCursorPos(&pt);
HDC hDC = ::GetDC(NULL);
COLORREF clr = ::GetPixel(hDC, pt.x, pt.y);
CString ClrText;
ClrText.Format("%d",GetRValue(clr));
m_EditRed.SetWindowText(ClrText);
ClrText.Format("%d",GetGValue(clr));
m_EditGreen.SetWindowText(ClrText);
ClrText.Format("%d",GetBValue(clr));
m_EditBlue.SetWindowText(ClrText);
::ReleaseDC(NULL, hDC);
CDialog::OnTimer(nIDEvent);
}