黑客屏保 代码来自网络搜索 做了部分改动
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 | #include "stdafx.h" #include <windows.h> #include <locale> #include <exception> #pragma comment (lib,"User32.lib") #pragma comment (lib,"Gdi32.lib") #define ID_TIMER 1 #define STRMAXLEN 19 //一个显示列的最大长度 #define STRMINLEN 8 //一个显示列的最小长度 #pragma comment ( linker, "/subsystem:windows /entry:mainCRTStartup" ) //去除启动或退出程序时黑框 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); ////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////// typedef struct tagCharColumn { TCHAR letters[STRMAXLEN]; 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; TCHAR randomChar() //随机字符产生函数 { return (TCHAR)(rand() % 255); //33到126之间 } int init(CharColumn *cc, int cyScreen, int x) //初始化 { static unsigned int t = 0; int j; cc->iStrLen = rand() % (STRMAXLEN - STRMINLEN) + STRMINLEN; //显示列的长度 for ( int i = 0; i < cc->iStrLen; i++) cc->letters[i] = randomChar(); 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; if (t % 5 == 0) { memcpy(cc->letters, _T( " 峰言 制作 " ), sizeof (_T( " 峰言 制作 " ))); cc->iStrLen = sizeof (_T( " 峰言 制作 " )) / sizeof (TCHAR) - 1; } cc->letters[0] = randomChar(); t++; return t; } 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 = 19, iFontHeight = 22, 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, 20, 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( "Consolas" )); 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++) { int letterIndex = 0; ctn = ccChain[i].iStopTimes++ > ccChain[i].iMustStopTimes; SetTextColor(hdcMem, RGB(255, 255, 255)); TextOut(hdcMem, ccChain[i].x, ccChain[i].y, &(ccChain[i].letters[letterIndex]), 1); j = (ccChain + i)->y; letterIndex++; //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 (letterIndex < ccChain[i].iStrLen) { SetTextColor(hdcMem, RGB(0, 255 - (255 * (temp++) / (ccChain + i)->iStrLen), 0)); TextOut(hdcMem, (ccChain + i)->x, j -= iFontHeight, &((ccChain + i)->letters[letterIndex]), 1); letterIndex++; } 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) { 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)->letters[0] = randomChar(); } BitBlt(hdc, 0, 0, cxScreen, cyScreen, hdcMem, 0, 0, SRCCOPY); ReleaseDC(hwnd, hdc); 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); free(ccChain); PostQuitMessage(0); return 0; } return DefWindowProc(hwnd, message, wParam, lParam); } int main(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) { std::locale::global(std::locale( "" )); setlocale(LC_CTYPE, "" ); 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; } |
版本2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | //数字流星雨 作者:Wicrecend #include "stdafx.h" #include <windows.h> #include <locale> #include <exception> #include <deque> using namespace std; #pragma comment (lib,"User32.lib") #pragma comment (lib,"Gdi32.lib") #define USER_INF _T(" 作制 言峰") #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 #pragma comment ( linker, "/subsystem:windows /entry:mainCRTStartup" ) //去除启动或退出程序时黑框 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); class CharColumn { public : CharColumn() : x(0),y(0), iStrLen(0), isUserInfo( false ), iStopTimes(0), iMustStopTimes(0) { } ~CharColumn(){} int initNormal( int cyScreen, int cx) { iStrLen = rand() % (STRMAXLEN - STRMINLEN) + STRMINLEN; //显示列的长度 x = cx + 3; //显示列的开始显示的x坐标 y = rand() % 3 ? rand() % cyScreen : 0; //显示列的开始显示的y坐标 iMustStopTimes = rand() % 6; iStopTimes = 0; for ( int i = 0; i < iStrLen; i++) { dequeLetters.push_back(randomChar()); } return 0; } int initUserInfo( int cyScreen, int cx) { iStrLen = rand() % (STRMAXLEN - STRMINLEN) + STRMINLEN; //显示列的长度 iStrLen = sizeof (USER_INF) / sizeof (TCHAR) - 1; x = cx + 3; //显示列的开始显示的x坐标 y = rand() % 3 ? rand() % cyScreen : 0; //显示列的开始显示的y坐标 iMustStopTimes = rand() % 6; iStopTimes = 0; TCHAR* str = USER_INF; for ( int i = 0; i < iStrLen; i++) { dequeLetters.push_back(*(str+i)); } isUserInfo = true ; return 0; } int init( int cyScreen, int cx) { iNum++; if (iNum % 5) { return initNormal(cyScreen,cx); } return initUserInfo(cyScreen, cx); } TCHAR randomChar() //随机字符产生函数 { return (TCHAR)(rand() % (126 - 33) + 33); //33到126之间 } static int iNum; bool isUserInfo; deque<TCHAR> dequeLetters; 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; }; int CharColumn::iNum = 0; 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; } 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 = 13, iFontHeight = 17, 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, 20, 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 = new CharColumn[iColumnCount]; for (i = 0; i<iColumnCount; i++) { ccChain[i].init(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++) { int index = 0; ctn = ccChain[i].iStopTimes++ >ccChain[i].iMustStopTimes; SetTextColor(hdcMem, RGB(255, 255, 255)); TextOut(hdcMem, ccChain[i].x, ccChain[i].y, &(ccChain[i].dequeLetters[index]), 1); j = ccChain[i].y; index++; temp = 0; //temp绿色过度到黑色之用 while (index < ccChain[i].iStrLen) { SetTextColor(hdcMem, RGB(0, 255 - (255 * (temp++) / (ccChain + i)->iStrLen), 0)); TextOut(hdcMem, (ccChain + i)->x, j -= iFontHeight, &( ccChain[i].dequeLetters[index] ), 1); index++; } if (ctn) (ccChain + i)->iStopTimes = 0; else continue ; ccChain[i].y += iFontHeight; if ( ccChain[i].y - ccChain[i].iStrLen*iFontHeight > cyScreen) { ccChain[i].dequeLetters.clear(); ccChain[i].init(cyScreen, (iFontWidth * 3 / 2)*i); } if (ccChain[i].isUserInfo) { TCHAR l = ccChain[i].dequeLetters.back(); ccChain[i].dequeLetters.pop_back(); ccChain[i].dequeLetters.push_front(l); } else { ccChain[i].dequeLetters.push_front(ccChain[i].randomChar()); ccChain[i].dequeLetters.pop_back(); } } BitBlt(hdc, 0, 0, cxScreen, cyScreen, hdcMem, 0, 0, SRCCOPY); ReleaseDC(hwnd, hdc); return 0; case WM_RBUTTONDOWN: case WM_RBUTTONUP: case WM_KEYDOWN: case WM_LBUTTONDOWN: case WM_DESTROY: KillTimer(hwnd, ID_TIMER); DeleteObject(hBitmap); DeleteDC(hdcMem); delete[] ccChain; PostQuitMessage(0); return 0; } return DefWindowProc(hwnd, message, wParam, lParam); } |
作 者: itdef
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欢迎转帖 请保持文本完整并注明出处
技术博客 http://www.cnblogs.com/itdef/
B站算法视频题解
https://space.bilibili.com/18508846
qq 151435887
gitee https://gitee.com/def/
欢迎c c++ 算法爱好者 windows驱动爱好者 服务器程序员沟通交流
如果觉得不错,欢迎点赞,你的鼓励就是我的动力


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