相信有好多朋友都知道這個程序? 但是沒給源碼? 呵呵? 其實我們可以自己實現(xiàn)的? 代碼很簡單(另外這里 玫瑰并不止1000朵 而是無數(shù)朵 因為簡單起見 沒加玫瑰的統(tǒng)計代碼? 呵呵)

現(xiàn)簡單介紹實現(xiàn)過程
首先打開VC++ 6.0??新建個 “Win32 Application” 工程??工程名就叫“Roses”吧
然后要做的是 下載原來的那個“一千枝會動的玫瑰” 然后我們用“eXeScope”提取里面的6張位圖 和相應(yīng)的6張掩碼位圖??加入到我們的工程
分別給6張位圖的ID 命名為:"BM_I0"、"BM_I1"、...、"BM_I5"
給6張位圖對應(yīng)的掩碼位圖ID 命名為:"BM_M0"、"BM_M1"、...、"BM_M5"
OK

因為那個“一千枝會動的玫瑰”運行后按鼠標左鍵 或者 鍵盤退出
所以個人覺得 此程序運行后是最大化的 并且程序的窗口是透明的，
但是窗口透明的話，畫上去的位圖不就看不到了，這個問題也是想了比較久。
最后想了個投機取巧的辦法，給GetDC函數(shù)傳NULL，以檢索整個屏幕的設(shè)備上下文環(huán)境
不知道原程序是如何實現(xiàn)的
這樣再畫圖就沒問題了

好了下面代碼：

/*==============================

Roses.cpp?--?一千朵玫瑰

??(c)?Snow-dream,?2008

??QQ:529698939

??E-mail:xzm2@qq.com

??編寫日期：2008-12-3

??VC?6.0環(huán)境下編譯通過

===============================*/

#include?<windows.h>

#include?<stdlib.h>

#include?"resource.h"

#define?WS_EX_LAYERED?0x00080000

#define?LWA_ALPHA?????0x00000002

#define?LWA_COLORKEY??0x00000001

#define?ID_TIMER??????1

#define?IMGCOUNT??????6??//圖片數(shù)

//因為沒有導出SetLayeredWindowAttributes?API?所以要我們自己到user32.dll里搜索

typedef?BOOL?(WINAPI?*LPFNSETLAYEREDWINDOWATTRIBUTES)

(HWND?hwnd,COLORREF?crKey,BYTE?bAlpha,DWORD?dwFlags)?;

LRESULT?CALLBACK?WndProc?(HWND,?UINT,?WPARAM,?LPARAM)?;

//設(shè)置窗口的透明度?hwnd是被設(shè)置的窗口?byAlpha是指示了透明度(0完全透明?255完全不透明)

BOOL?TransparentWnd(HWND?hwnd,?BYTE?byAlpha)

{

????????long?lStyle;

????????HMODULE?hModule;

????????BOOL?bRet;

????????LPFNSETLAYEREDWINDOWATTRIBUTES?lpSetLayeredWindowAttributes;

????????if(FALSE?==?IsWindow(hwnd))

????????{

????????????????MessageBox(NULL,?TEXT("窗口句柄無效!"),?NULL,?0)?;

????????????????return?FALSE?;

????????}

????????hModule?=?(HMODULE)LoadLibrary(TEXT("user32.dll"))?;

????????if(hModule)

????????{

????????????????lpSetLayeredWindowAttributes?=?(LPFNSETLAYEREDWINDOWATTRIBUTES)

????????????????????????GetProcAddress(hModule,?TEXT("SetLayeredWindowAttributes"))?;

????????????????if(!lpSetLayeredWindowAttributes)

????????????????{

????????????????????????MessageBox(hwnd,?TEXT("未找到API?SetLayeredWindowAttributes的地址!"),

????????????????????????????????NULL,?MB_OK)?;

????????????????????????return?FALSE?;

????????????????}

????????}

????????lStyle?=?GetWindowLong(hwnd,?GWL_EXSTYLE)?;

????????if(!lStyle)

????????{

????????????????MessageBox(hwnd,?TEXT("獲取窗口擴展樣式失敗!"),?NULL,?MB_OK)?;

????????????????return?FALSE?;

????????}

????????lStyle?=?lStyle?|?WS_EX_LAYERED?;

????????bRet?=?SetWindowLong(hwnd,?GWL_EXSTYLE,?lStyle)?;

????????if(!bRet)

????????{

????????????????MessageBox(hwnd,?TEXT("設(shè)置窗口擴展樣式失敗!"),?NULL,?MB_OK)?;

????????????????return?FALSE?;

????????}

????????bRet?=?lpSetLayeredWindowAttributes(hwnd,?0,?byAlpha,?LWA_ALPHA)?;

????????if(!bRet)

????????{

????????????????MessageBox(hwnd,?TEXT("設(shè)置窗口透明度失敗!"),?NULL,?MB_OK)?;

????????????????return?FALSE?;

????????}

????????RedrawWindow(hwnd,?NULL,?NULL,

????????????????RDW_ERASE?|?RDW_INVALIDATE?|?RDW_FRAME?|?RDW_ALLCHILDREN)?;

????????FreeLibrary(hModule)?;

????????return?TRUE?;

}

int?WINAPI?WinMain?(HINSTANCE?hInstance,?HINSTANCE?hPrevInstance,

????????????????????PSTR?szCmdLine,?int?iCmdShow)

{

????????static?TCHAR?szAppName[]?=?TEXT?("Roses")?;

????????HWND?????hwnd?;

????????MSG??????msg?;

????????WNDCLASS?wndclass?;

????????BOOL?????bRet?;

????????

????????wndclass.style??????????=?CS_HREDRAW?|?CS_VREDRAW?;

????????wndclass.lpfnWndProc????=?WndProc?;

????????wndclass.cbClsExtra?????=?0?;

????????wndclass.cbWndExtra?????=?0?;

????????wndclass.hInstance??????=?hInstance?;

????????wndclass.hIcon??????????=?LoadIcon?(hInstance,?szAppName)?;

????????wndclass.hCursor????????=?LoadCursor?(NULL,?IDC_ARROW)?;

????????wndclass.hbrBackground??=?(HBRUSH)?GetStockObject?(WHITE_BRUSH)?;

????????wndclass.lpszMenuName???=?NULL?;

????????wndclass.lpszClassName??=?szAppName?;

????????

????????if(!RegisterClass?(&wndclass))

????????{

????????????????MessageBox?(NULL,?TEXT?("This?program?requires?Windows?NT!"),?szAppName,?MB_ICONERROR)?;

????????????????return?0;

????????}

????????

????????srand?((int)GetTickCount())?;?//初始化隨機數(shù)發(fā)生器

????????//?創(chuàng)建主窗口?讓窗口最大化

????????hwnd?=?CreateWindow?(szAppName,?TEXT?("玫瑰花"),

????????????????WS_DLGFRAME?|?WS_POPUP,

????????????????0,?0,

????????????????GetSystemMetrics(SM_CXSCREEN),

????????????????GetSystemMetrics(SM_CYSCREEN),

????????????????NULL,?NULL,?hInstance,?NULL)?;

????

????????TransparentWnd(hwnd,?1)?;?//設(shè)置窗口透明度

????????SetWindowPos(hwnd,?HWND_TOPMOST,?0,?0,?0,?0,?SWP_NOMOVE?|?SWP_NOSIZE?|?SWP_NOREDRAW)?;?//窗口置頂

????????ShowWindow?(hwnd,?iCmdShow)?;

????????UpdateWindow?(hwnd)?;

????????

????????while?(?(bRet?=?GetMessage?(&msg,?NULL,?0,?0)?)?!=?0?)

????????{

????????????????if?(bRet?==?-1)

????????????????{

????????????????????????MessageBox?(hwnd,?TEXT?("Such?code?can?lead?to?fatal?application?errors"),

????????????????????????????????szAppName,?MB_ICONERROR)?;

????????????????????????return?-1?;

????????????????}

????????????????else

????????????????{

????????????????????????TranslateMessage?(&msg)?;

????????????????????????DispatchMessage?(&msg)?;

????????????????}

????????}

????????return?msg.wParam?;

}

LRESULT?CALLBACK?WndProc?(HWND?hwnd,?UINT?message,?WPARAM?wParam,?LPARAM?lParam)

{

????????static??????HBITMAP?hBmpI[IMGCOUNT],?hBmpM[IMGCOUNT]?;

????????HINSTANCE???hInstance?=?NULL?;

????????HDC?????????hdc,?hdcMemImag,?hdcMemMask?;

????????BITMAP??????bmp?;

????????int?????????i,?x,?y?;

????????

????????switch?(message)

????????{

????????case?WM_CREATE:

????????????????hInstance?=?((LPCREATESTRUCT)?lParam)->hInstance?;

????????????????for(i=0;?i<IMGCOUNT;?i++)

????????????????{

????????????????????????TCHAR?szBmpName[16]?;

????????????????????????wsprintf(szBmpName,?TEXT("BM_I%d"),?i)?;

????????????????????????hBmpI[i]?=?LoadBitmap?(hInstance,?szBmpName)?;?//載入位圖

????????????????????????wsprintf(szBmpName,?TEXT("BM_M%d"),?i)?;

????????????????????????hBmpM[i]?=?LoadBitmap?(hInstance,?szBmpName)?;?//載入相應(yīng)的屏蔽位圖

????????????????}

????????????????SetTimer(hwnd,?ID_TIMER,?100,?NULL)?;?//設(shè)置定時器100毫秒

????????????????return?0?;

????????

????????????????//按鼠標左鍵?或者?鍵盤??退出程序

????????case?WM_LBUTTONDOWN:

????????case?WM_KEYDOWN:

????????????????SendMessage(hwnd,?WM_CLOSE,?0,?0)?;

????????????????return?0;

????????case?WM_TIMER:?//最主要的部分?顯示透明位圖

????????????????hdc?=?GetDC(hwnd)?;

????????????????i?=?rand()%IMGCOUNT?;

????????????????//?創(chuàng)建一個與指定設(shè)備兼容的內(nèi)存設(shè)備上下文環(huán)境（DC）

????????????????hdcMemImag?=?CreateCompatibleDC?(hdc)?;

????????????????DeleteObject(SelectObject?(hdcMemImag,?hBmpI[i]))?;

????????????????GetObject?(hBmpI[i],?sizeof?(BITMAP),?&bmp)?;

????????????????hdcMemMask?=?CreateCompatibleDC?(hdc)?;

????????????????DeleteObject(SelectObject?(hdcMemMask,?hBmpM[i]))?;

????????????????ReleaseDC(hwnd,?hdc)?;?//釋放設(shè)備上下文環(huán)境（DC）

????????????????//x、y為位圖顯示的坐標

????????????????x?=?rand()%GetSystemMetrics(SM_CXSCREEN)?-?bmp.bmWidth/2?;

????????????????y?=?rand()%GetSystemMetrics(SM_CYSCREEN)?-?bmp.bmHeight/2?;

????????????????hdc=?GetDC(NULL)?;

????????????????//畫出位圖

????????????????BitBlt?(hdc,?x,?y,?bmp.bmWidth,?bmp.bmHeight,?hdcMemMask,?0,?0,?SRCAND)?;

????????????????BitBlt?(hdc,?x,?y,?bmp.bmWidth,?bmp.bmHeight,?hdcMemImag,?0,?0,?SRCPAINT)?;

????????????????//刪除指定的設(shè)備上下文環(huán)境（DC）

????????????????DeleteDC?(hdcMemMask)?;

????????????????DeleteDC?(hdcMemImag)?;

????????????????ReleaseDC(NULL,?hdc)?;

????????????????return?0?;

????????????????

????????case?WM_DESTROY:

????????????????//?刪除定時器

????????????????KillTimer(hwnd,?ID_TIMER)?;

????????????????//?刪除位圖、屏蔽位圖

????????????????for(i=0;?i<IMGCOUNT;?i++)

????????????????{

????????????????????????DeleteObject?(hBmpI[i])?;

????????????????????????DeleteObject?(hBmpM[i])?;

????????????????}

????????????????InvalidateRect(NULL,?NULL,?TRUE)?;?//更新整個屏幕

????????????????PostQuitMessage?(0)?;

????????????????return?0?;

????????}

????????return?DefWindowProc?(hwnd,?message,?wParam,?lParam)?;

}

?

?

//資源文件 Roses.rc

//Microsoft?Developer?Studio?generated?resource?script.

//

#include?"resource.h"

#define?APSTUDIO_READONLY_SYMBOLS

/

//

//?Generated?from?the?TEXTINCLUDE?2?resource.

//

#include?"afxres.h"

/

#undef?APSTUDIO_READONLY_SYMBOLS

/

//?Chinese?(中國)?resources

#if?!defined(AFX_RESOURCE_DLL)?||?defined(AFX_TARG_CHS)

#ifdef?_WIN32

LANGUAGE?LANG_CHINESE,?SUBLANG_CHINESE_SIMPLIFIED

#pragma?code_page(936)

#endif?//_WIN32

/

//

//?Icon

//

//?Icon?with?lowest?ID?value?placed?first?to?ensure?application?icon

//?remains?consistent?on?all?systems.

ROSES???????????????????ICON????DISCARDABLE?????"rose.ico"

#ifdef?APSTUDIO_INVOKED

/

//

//?TEXTINCLUDE

//

1?TEXTINCLUDE?DISCARDABLE?

BEGIN

????"resource.h/0"

END

2?TEXTINCLUDE?DISCARDABLE?

BEGIN

????"#include?""afxres.h""/r/n"

????"/0"

END

3?TEXTINCLUDE?DISCARDABLE?

BEGIN

????"/r/n"

????"/0"

END

#endif????//?APSTUDIO_INVOKED

/

//

//?Bitmap

//

BM_I0???????????????????BITMAP??DISCARDABLE?????"BM_I0.bmp"

BM_I1???????????????????BITMAP??DISCARDABLE?????"BM_I1.bmp"

BM_I2???????????????????BITMAP??DISCARDABLE?????"BM_I2.bmp"

BM_I3???????????????????BITMAP??DISCARDABLE?????"BM_I3.bmp"

BM_I4???????????????????BITMAP??DISCARDABLE?????"BM_I4.bmp"

BM_I5???????????????????BITMAP??DISCARDABLE?????"BM_I5.bmp"

BM_M0???????????????????BITMAP??DISCARDABLE?????"BM_M0.bmp"

BM_M1???????????????????BITMAP??DISCARDABLE?????"BM_M1.bmp"

BM_M2???????????????????BITMAP??DISCARDABLE?????"BM_M2.bmp"

BM_M3???????????????????BITMAP??DISCARDABLE?????"BM_M3.bmp"

BM_M4???????????????????BITMAP??DISCARDABLE?????"BM_M4.bmp"

BM_M5???????????????????BITMAP??DISCARDABLE?????"BM_M5.bmp"

#endif????//?Chinese?(中國)?resources

/

#ifndef?APSTUDIO_INVOKED

/

//

//?Generated?from?the?TEXTINCLUDE?3?resource.

//

/

#endif????//?not?APSTUDIO_INVOKED

?

//頭文件 resource.h

//{{NO_DEPENDENCIES}}

//?Microsoft?Developer?Studio?generated?include?file.

//?Used?by?Roses.rc

//

//?Next?default?values?for?new?objects

//?

#ifdef?APSTUDIO_INVOKED

#ifndef?APSTUDIO_READONLY_SYMBOLS

#define?_APS_NEXT_RESOURCE_VALUE????????114

#define?_APS_NEXT_COMMAND_VALUE?????????40001

#define?_APS_NEXT_CONTROL_VALUE?????????1000

#define?_APS_NEXT_SYMED_VALUE???????????101

#endif

#endif

?

//程序運行效果圖

?

?

?

//程序完整源碼下載地址（附加可執(zhí)行文件）

http://download.csdn.net/source/837221

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