黑客帝国屏幕保护设置
1. 打开VS2010或以上版本，新建—>项目,Visual C++，win32，选择win32控制台应用程序，名称填写为”hacker”。
2. 将一下代码复制到项目源文件中
黑客帝国屏保源码
//数字流星雨 作者：Wicrecend#include "stdafx.h"#include <windows.h>#define ID_TIMER 1#define STRMAXLEN 25 //一个显示列的最大长度#define STRMINLEN 8 //一个显示列的最小长度LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////typedef struct tagCharChain //整个当作屏幕的一个显示列,这是个双向列表{struct tagCharChain *prev; //链表的前个元素TCHAR ch; //一个显示列中的一个字符struct tagCharChain *next; //链表的后个元素}CharChain, *pCharChain;typedef struct tagCharColumn{CharChain *head, *current, *point;int x, y, iStrLen; //显示列的开始显示的x,y坐标,iStrLen是这个列的长度int iStopTimes, iMustStopTimes; //已经停滞的次数和必须停滞的次数,必须停滞的次数是随机的}CharColumn, *pCharColumn;int main(HINSTANCE hInstance, HINSTANCE hPrevInstance,PSTR szCmdLine, int iCmdShow){static TCHAR szAppName[] = TEXT ("matrix") ;HWND hwnd ;MSG msg ;WNDCLASS wndclass ;wndclass.style = CS_HREDRAW | CS_VREDRAW ;wndclass.lpfnWndProc = WndProc ;wndclass.cbClsExtra = 0 ;wndclass.cbWndExtra = 0 ;wndclass.hInstance = hInstance ;wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;wndclass.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH) ;wndclass.lpszMenuName = NULL ;wndclass.lpszClassName = szAppName ;if(!RegisterClass (&wndclass)){MessageBox (NULL, TEXT ("此程序必须运行在NT下!"), szAppName, MB_ICONERROR) ;return 0;}hwnd = CreateWindow (szAppName, NULL,WS_DLGFRAME | WS_THICKFRAME | WS_POPUP,0, 0,GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN),NULL, NULL, hInstance,NULL) ;ShowWindow (hwnd, SW_SHOWMAXIMIZED) ; //最大化显示UpdateWindow (hwnd) ;ShowCursor(FALSE); //隐藏鼠标光标srand ((int) GetCurrentTime ()) ; //初始化随机数发生器while (GetMessage (&msg, NULL, 0, 0)){TranslateMessage (&msg) ;DispatchMessage (&msg) ;}ShowCursor(TRUE); //显示鼠标光标return msg.wParam ;}TCHAR randomChar() //随机字符产生函数{return (TCHAR)(rand()%(126-33)+33); //33到126之间}int init(CharColumn *cc, int cyScreen, int x) //初始化{int j;cc->iStrLen = rand()%(STRMAXLEN-STRMINLEN) + STRMINLEN; //显示列的长度cc->x = x+3 ; //显示列的开始显示的x坐标cc->y =rand()%3?rand()%cyScreen:0; //显示列的开始显示的y坐标cc->iMustStopTimes = rand()%6 ;cc->iStopTimes = 0 ;cc->head = cc->current =(pCharChain)calloc(cc->iStrLen, sizeof(CharChain)); //生成显示列for(j=0; j<cc->iStrLen-1; j++){cc->current->prev = cc->point; //cc->point一个显示列的前个元素cc->current->ch = '';cc->current->next = cc->current+1; //cc->current+1一个显示列的后个元素cc->point = cc->current++; //cc->point = cc->current; cc->current++;}cc->current->prev = cc->point; //最后一个节点cc->current->ch = '';cc->current->next = cc->head;cc->head->prev = cc->current; //头节点的前一个为此链的最后一个元素cc->current = cc->point = cc->head; //free掉申请的内存要用current当参数cc->head->ch = randomChar(); // 对链表头的 元素填充return 0;}LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){HDC hdc ;//ctn 用来确定一个显示链是否 向下前进,如果等待次数超过必须等待的次数,ctn就代表要向下前进int i, j, temp, ctn; //j为一个显示链中除链表头外的在屏幕上显示的y坐标,temp绿色过度到黑色之用static HDC hdcMem;HFONT hFont;static HBITMAP hBitmap;static int cxScreen, cyScreen; //屏幕的宽度 高度.static int iFontWidth=10, iFontHeight=15, iColumnCount; //字体的宽度 高度, 列数static CharColumn *ccChain;switch (message){case WM_CREATE:cxScreen = GetSystemMetrics(SM_CXSCREEN) ; //屏幕宽度cyScreen = GetSystemMetrics(SM_CYSCREEN) ;SetTimer (hwnd, ID_TIMER, 10, NULL) ;hdc = GetDC(hwnd);hdcMem = CreateCompatibleDC(hdc);hBitmap = CreateCompatibleBitmap(hdc, cxScreen, cyScreen);SelectObject(hdcMem, hBitmap);ReleaseDC(hwnd, hdc);//创建字体hFont = CreateFont(iFontHeight, iFontWidth-5, 0, 0, FW_BOLD, 0, 0, 0,DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,DRAFT_QUALITY, FIXED_PITCH | FF_SWISS, TEXT("Fixedsys"));SelectObject(hdcMem, hFont);DeleteObject (hFont) ;SetBkMode(hdcMem, TRANSPARENT); //设置背景模式为 透明iColumnCount = cxScreen/(iFontWidth*3/2); //屏幕所显示字母雨的列数ccChain = (pCharColumn)calloc(iColumnCount, sizeof(CharColumn));for(i=0; i<iColumnCount; i++){init(ccChain+i, cyScreen, (iFontWidth*3/2)*i);}return 0 ;case WM_TIMER:hdc = GetDC(hwnd);PatBlt (hdcMem, 0, 0, cxScreen, cyScreen, BLACKNESS) ; //将内存设备映像刷成黑色for(i=0; i<iColumnCount; i++){ctn = (ccChain+i)->iStopTimes++ > (ccChain+i)->iMustStopTimes;//(ccChain+i)->point = (ccChain+i)->head; //point用于遍历整个显示列//第一个字符显示为 白色SetTextColor(hdcMem, RGB(255, 255, 255));TextOut(hdcMem, (ccChain+i)->x, (ccChain+i)->y, &((ccChain+i)->point->ch), 1);j = (ccChain+i)->y;(ccChain+i)->point = (ccChain+i)->point->next;//遍历整个显示列,将这个显示列里的字符从下往上显示temp = 0 ; //temp绿色过度到黑色之用while((ccChain+i)->point != (ccChain+i)->head && (ccChain+i)->point->ch){SetTextColor(hdcMem, RGB(0, 255-(255*(temp++)/(ccChain+i)->iStrLen), 0));TextOut(hdcMem, (ccChain+i)->x, j-=iFontHeight, &((ccChain+i)->point->ch), 1);(ccChain+i)->point = (ccChain+i)->point->next;}if(ctn)(ccChain+i)->iStopTimes = 0 ;else continue;(ccChain+i)->y += iFontHeight; //下次开始显示的y坐标 为当前的y坐标加上 一个字符的高度//如果开始显示的y坐标减去 整个显示列的长度超过了屏幕的高度if( (ccChain+i)->y-(ccChain+i)->iStrLen*iFontHeight > cyScreen){free( (ccChain+i)->current );init(ccChain+i, cyScreen, (iFontWidth*3/2)*i);}//链表的头 为此链表的前个元素,因为下次开始显示的时候 就相当与在整个显示列的开头添加个元素,然后在开始往上显示(ccChain+i)->head = (ccChain+i)->head->prev;(ccChain+i)->head->ch = randomChar();}BitBlt(hdc, 0, 0, cxScreen, cyScreen, hdcMem, 0, 0, SRCCOPY);ReleaseDC(hwnd, hdc);return 0;case WM_RBUTTONDOWN:KillTimer (hwnd, ID_TIMER) ;return 0;case WM_RBUTTONUP:SetTimer (hwnd, ID_TIMER, 10, NULL) ;return 0;//处理善后工作case WM_KEYDOWN:case WM_LBUTTONDOWN:case WM_DESTROY:KillTimer (hwnd, ID_TIMER) ;DeleteObject(hBitmap);DeleteDC(hdcMem);for(i=0; i<iColumnCount; i++){free( (ccChain+i)->current );}free(ccChain);PostQuitMessage (0) ;return 0 ;}return DefWindowProc (hwnd, message, wParam, lParam) ;}
3. 编译项目工程
4. 找到生成的exe文件，将exe后缀改为scr（hacker.exe->hacker.scr）
5. 将文件hacker.scr拷贝到C:WindowsSystem32下
6. 鼠标移到桌面，右击，选择个性化，屏幕保护程序，选择hacker。
属于自己的黑客帝国屏幕保护程序就设置成功了！
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