分类：
2008-10-13 16:13:53
作者为：
By PAUL Grégory
原本44K，被俺精简成了9K，
#define _WIN32_WINNT 0x0500 // Used for DC brushes and pens
#define _WIN32_IE 0x0600 // Used for systray balloon tips
#include "resource.h"
#include
#include
// Constants
#define GTC_MAXSTR 128
#define GTC_TIMEOUT 100
#define GTC_TIMER_ID 6363
#define GTC_SYSTRAY 403
#define GTC_APP_WIDTH 140
#define GTC_APP_HEIGHT 56
#define GTC_SQUARE_LEN 16
// Constant arrays
char hex[] = "0123456789ABCDEF";
// Global vars
HINSTANCE hInst; // Instance handle
TCHAR szTitle[GTC_MAXSTR]; // Title bar caption
TCHAR szWindowClass[GTC_MAXSTR]; // Main window class
COLORREF cursorColor, lastColor; // RGB color under cursor
COLORREF copyColor; // RGB color in clipboard
HWND hWnd; // Window handle
UINT_PTR hTimer; // Timer handle
NOTIFYICONDATA tnid; // Systray stucture
HGLOBAL hClip; // Global allocation for clipboard
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
void inline RegisterSystrayMode()
{
tnid.cbSize = NOTIFYICONDATA_V2_SIZE;
tnid.hWnd = hWnd;
tnid.uID = 1;
tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_INFO | NIF_TIP;
tnid.uCallbackMessage = GTC_SYSTRAY;
tnid.hIcon = LoadIcon(hInst, MAKEINTRESOURCE(IDI_GETTHECOLOR));
tnid.uTimeout = 5000;
tnid.dwInfoFlags = NIIF_INFO;
lstrcpyn(tnid.szInfoTitle, "GetTheColor已启动\000", 64);
lstrcpyn(tnid.szInfo, "系统快捷键：\n- Windows + S : 显示/隐藏窗口\n- Windows + C : 将颜色拷贝到剪贴板\000", 256);
lstrcpyn(tnid.szTip, "GetTheColor\000", 128);
Shell_NotifyIcon(NIM_ADD, &tnid);
}
// Function declaration
ATOM inline MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_GETTHECOLOR);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = NULL;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = NULL;
return RegisterClassEx(&wcex);
}
BOOL inline InitInstance(HINSTANCE hInstance)
{
hInst = hInstance;
// Creates window
hWnd = CreateWindowEx(WS_EX_TOOLWINDOW | WS_EX_TOPMOST,
szWindowClass, szTitle,
WS_OVERLAPPED | WS_SYSMENU,
CW_USEDEFAULT, 0,
GTC_APP_WIDTH, GTC_APP_HEIGHT,
NULL, NULL,
hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
// Creates timer
hTimer = SetTimer(hWnd, GTC_TIMER_ID, GTC_TIMEOUT, NULL);
if (!hTimer)
{
return FALSE;
}
// Register systray and hotkeys
RegisterSystrayMode();
RegisterHotKey(hWnd, 1, MOD_WIN, (int)'C');
RegisterHotKey(hWnd, 2, MOD_WIN, (int)'S');
UpdateWindow(hWnd);
return TRUE;
}
void inline FormatHTMLColor(char *str, COLORREF color, BOOL bSharp)
{
WORD r, g, b;
int i = 0;
r = GetRValue(color);
g = GetGValue(color);
b = GetBValue(color);
if (bSharp)
{
str[i++] = '#';
}
str[i++] = hex[r >> 4];
str[i++] = hex[r & 0x0F];
str[i++] = hex[g >> 4];
str[i++] = hex[g & 0x0F];
str[i++] = hex[b >> 4];
str[i++] = hex[b & 0x0F];
str[i++] = 0;
}
void inline FormatRGBColor(char *str, COLORREF color)
{
WORD r, g, b;
r = GetRValue(color);
g = GetGValue(color);
b = GetBValue(color);
wsprintf(str,"R:%3.3d G:%3.3d B:%3.3d",r,g,b);
}
void inline ChangeWindowVisibility()
{
if (IsIconic(hWnd) > 0 || IsWindowVisible(hWnd) == 0)
{
ShowWindow(hWnd, SW_SHOWNORMAL);
SetForegroundWindow(hWnd);
}
else
{
ShowWindow(hWnd, SW_HIDE);
}
}
/**
* Application entry point
*
* @param hInstance The instance handle given by Windows
* @param hPrevInstance The previous instance handle
* @param lpCmdLine The command args
* @param nCmdShow The show flags
*/
//int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
extern "C" void WinMainCRTStartup()
{
MSG msg;
HINSTANCE hInstance=GetModuleHandle(NULL);
lstrcpy(szWindowClass, "GTCClass");
lstrcpy(szTitle, "屏幕取色");
MyRegisterClass(hInstance);
// Inits application and window
if (!InitInstance(hInstance))
{
return;
}
// Boucle de messages principale?
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return;
}
/**
* Adds an icon in Windows taskbar notification, and enables the ballon tooltip
*/
/**
* Show/hides window according to its current status
*/
/**
* Window callback function
*
* @param hWnd The window handle
* @param message The message identifier
* @param wParam Param in WORD format
* @param lParam Param in long format
*/
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PAINTSTRUCT ps;
HDC hdc, hdcScreen;
POINT pt;
char sColor1[8], sColor2[32];
LPTSTR lptstrCopy;
switch (message)
{
/* Timer handling */
case WM_TIMER:
if (GetCursorPos(&pt))
{
hdcScreen = GetDC(NULL);
cursorColor = GetPixel(hdcScreen, pt.x, pt.y);
ReleaseDC(NULL, hdcScreen);
}
if (lastColor != cursorColor)
{
lastColor = cursorColor;
RedrawWindow(hWnd, NULL, NULL, RDW_INVALIDATE | RDW_UPDATENOW);
}
break;
/* Application surface refresh */
case WM_PAINT:
// Formats colors to HTML text
FormatHTMLColor(sColor1, cursorColor, TRUE);
FormatRGBColor(sColor2, cursorColor);
hdc = BeginPaint(hWnd, &ps);
// Clean the app surface
SelectObject(ps.hdc, GetStockObject(DC_BRUSH));
SetDCBrushColor(ps.hdc, RGB(0, 0, 0));
Rectangle(ps.hdc, 0, 0, GTC_APP_WIDTH, GTC_APP_HEIGHT);
SetBkColor(ps.hdc, RGB(0, 0, 0));
SetTextColor(ps.hdc, RGB(255, 255, 255));
TextOut(ps.hdc, 2, 0, sColor1, 7);
TextOut(ps.hdc, 2, GTC_SQUARE_LEN, sColor2, lstrlen(sColor2));
EndPaint(hWnd, &ps);
break;
/* Windows hotkeys */
case WM_HOTKEY:
if (LOWORD(lParam) == MOD_WIN)
{
switch (HIWORD(lParam))
{
case (int)'S':
ChangeWindowVisibility();
break;
case (int)'C':
// Allocates shared memory for clipboard
hClip = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, 7 * sizeof(char));
if (!hClip)
{
return FALSE;
}
// Locking the memory for write into
lptstrCopy = (char *)GlobalLock(hClip);
if (!lptstrCopy)
{
return FALSE;
}
FormatHTMLColor(lptstrCopy, cursorColor, FALSE);
GlobalUnlock(hClip);
if (OpenClipboard(hWnd))
{
EmptyClipboard();
SetClipboardData(CF_TEXT, hClip);
CloseClipboard();
}
copyColor = cursorColor;
RedrawWindow(hWnd, NULL, NULL, RDW_INVALIDATE | RDW_UPDATENOW);
break;
default:
break;
}
}
break;
/* Systray icon click */
case GTC_SYSTRAY:
switch((UINT)lParam)
{
case WM_LBUTTONDOWN:
ChangeWindowVisibility();
break;
case WM_RBUTTONDOWN:
Shell_NotifyIcon(NIM_MODIFY, &tnid);
default:
break;
}
break;
/* Program dispose */
case WM_DESTROY:
if (hClip)
{
GlobalFree(hClip);
}
UnregisterHotKey(hWnd, 1);
UnregisterHotKey(hWnd, 2);
Shell_NotifyIcon(NIM_DELETE, &tnid);
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
//{{NO_DEPENDENCIES}}
// Microsoft Visual C++ generated include file.
// Used by getthecolor.rc
//
#define IDI_GETTHECOLOR 101
#define IDS_INFO_TITLE 103
#define IDS_INFO_TEXT 104
#define IDS_TOOLTIP 105
// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NEXT_RESOURCE_VALUE 104
#define _APS_NEXT_COMMAND_VALUE 40002
#define _APS_NEXT_CONTROL_VALUE 1001
#define _APS_NEXT_SYMED_VALUE 101
#endif
#endif
或者直接下载:http://blog.vckbase.com/files/bastet/getthecolor.zip
