/* VIDSAVER.C * * VIDSAVER is a sample screen saver application. It moves a * playing .AVI file around the screen. It provides a variety of * options for controlling movement and sound. * * (C) Copyright Ron Wodaski 1992-1993. All rights reserved. * * This application was written and compiled using Microsoft C/C++ * version 7.0. * * You have a royalty-free right to use, modify, reproduce and * distribute the sample files (and/or any modified version) in * any way you find useful, provided that you agree that * the author, Ron Wodaski has no warranty obligations or liability * for any sample application files which are modified. */ #include #include #include "vidsaver.h" #include #include #include #include /* Global used by SCRNSAVE.LIB. Required for all screen savers. */ char szAppName[40]; /* Globals specific to VIDSAVER. */ char szDIBName[] = "VideoDIB"; char szSpeedName[] = "Speed"; char szDelayName[] = "Delay between file play"; char szSDelayName[] = "Delay between moves"; char szMagnifyName[] = "Magnification"; char szChangeName[] = "Change frequency"; char szBlankitName[] = "Blank Screen"; char szMuteName[]= "Mute Audio"; char szRepeatName[]= "Repeat Play"; char szPlayFileName[]= "Filename to Play"; char szName[]="Bounce a Video"; char szSoundName[] = "Sound"; /* Externals defined in SCRNSAVE.LIB. Required for all screen savers. */ HINSTANCE _cdecl hMainInstance; HWND _cdecl hMainWindow; char _cdecl szName[TITLEBARNAMELEN]; char _cdecl szIsPassword[22]; char _cdecl szIniFile[MAXFILELEN]; char _cdecl szScreenSaver[22]; char _cdecl szPassword[16]; char _cdecl szDifferentPW[BUFFLEN]; char _cdecl szChangePW[30]; char _cdecl szBadOldPW[BUFFLEN]; char _cdecl szHelpFile[MAXFILELEN]; char _cdecl szNoHelpMemory[BUFFLEN]; UINT _cdecl MyHelpMessage; HOOKPROC _cdecl fpMessageFilter; BOOL bPassword; // password protected? WORD wMaxSpeed=25; // Maximum # pixels per window move int ChangeFreq=100; // Determines how often change num pixels char szReturnString[STRLEN]; // buffer for messages from mciSendString char szWindowHandle[16]; // buffer for string of window handle char szCommandString[STRLEN]; // buffer for MCI command strings char szProgName[]="VideoSaver"; // Program name char szFileToPlay[STRLEN]; // Buffer for name of file to play. char szWinTitle[STRLEN]; // Buffer for playback window caption char szPlayWidth[8]; // Buffer for playback window width char szPlayHeight[8]; // Buffer for playback window height long wPlayWidth; // Playback window width long wPlayHeight; // Playback window height WORD wMagnification=200; // Magnification factor BOOL bMuteAudio=0; // Toggle for muting audio BOOL bRepeatPlay=0; // Toggle for Continuous repeat BOOL bBlankScreen=1; // Toggle for blanking screen int wAdjWidth, wAdjHeight; // Difference between window/client area sizes int wTop=0, wLeft=0; // X,Y coordinates for playback window create HWND temp; HWND hScrWnd; // Handle for playback window WNDCLASS wcScrApp; // Class for playback window FILE *FileOpen; // File open pointer for fopen call RECT lpScreen; // For screen rectangle RECT lpWindowSize; // For playback window rectangle RECT lpClientSize; // For playback window client area rectangle long wWidth, wHeight; // Initial size of playback window WORD wTimerShort; // timer id for interval on window move int ShortTime=100; // default length of timer WORD wTimerLong; // timer id for interval on file play int DelayTime=250; // default length of timer UINT PlayingTime=0; // Length of AVI file in ms HBITMAP hbmImage; // image handle HANDLE hresWave; // handle to sound resource LPSTR lpWave; // pointer to wave resource /* Toggle for repainting during calls to MoveWindow() */ static BOOL RepaintToggle=FALSE; /* ScreenSaverProc - Main entry point for screen saver messages. * This function is required for all screen savers. * * Params: Standard window message handler parameters. * * Return: The return value depends on the message. * * Note that all messages go to the DefScreenSaverProc(), except * for ones we process. */ LONG FAR PASCAL ScreenSaverProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { RECT rc; // Rectangle for erasing background switch (msg) { case WM_CREATE: { /* Load the strings from the STRINGTABLE */ GetIniEntries(); /* Load the initial bounce settings. */ GetIniSettings(); srand((unsigned)time(NULL)); // Seed random # generation. /* Make default window size one-fourth screen size. */ GetWindowRect(GetDesktopWindow(),&lpScreen); wWidth = (long)(lpScreen.right-lpScreen.left)/4; wHeight = (long)(lpScreen.bottom-lpScreen.top)/4; /* Create window class for playback. */ wcScrApp.lpszClassName=szProgName; wcScrApp.hInstance =hMainInstance; wcScrApp.lpfnWndProc =WndProc; wcScrApp.hCursor =LoadCursor(NULL,IDC_ARROW); wcScrApp.hIcon =NULL; wcScrApp.lpszMenuName =NULL; wcScrApp.hbrBackground=CreateSolidBrush(RGB(255,255,255)); wcScrApp.style =CS_HREDRAW|CS_VREDRAW; wcScrApp.cbClsExtra =0; wcScrApp.cbWndExtra =0; if (!RegisterClass (&wcScrApp)) return FALSE; /* Create playback window. */ hScrWnd=CreateWindow(szProgName,"VidSaver 0.1c", (WS_POPUP), wLeft, wTop, (int)wWidth,(int)wHeight, hWnd,(HMENU)NULL, (HANDLE)hMainInstance,(LPSTR)NULL); /* Get sizes of Window & Client area for later calculations. */ GetWindowRect(hScrWnd,&lpWindowSize); GetClientRect(hScrWnd,&lpClientSize); /* Setup for playback. */ PlayingTime = SetupPlayback(hWnd, szFileToPlay); /* Set a timer for interval between playback window moves. */ wTimerShort=SetTimer(hWnd, ID_TIMER, ShortTime, NULL); if (FileOpen) { MovePlayerRandom(hScrWnd); ShowWindow(hScrWnd,SW_SHOWNORMAL); /* Set a timer for the length of the file plus delay time * 10. */ wTimerLong=SetTimer(hScrWnd,ID_TIMER,PlayingTime+DelayTime*10, NULL); /* Play the AVI file! */ PlayFile(hScrWnd); } return 0L; } case WM_TIMER: /* Short timer went off; move window to new location. */ if (FileOpen) MovePlayer(hScrWnd); else MovePlayer(temp); return 0L; case WM_DESTROY: /* Clean up; we're out of here. */ if (FileOpen) mciExecute("close AVIFile"); /* Kill timer. */ if(wTimerShort) KillTimer(hWnd,ID_TIMER); /* Destroy window. */ if (hScrWnd) DestroyWindow(hScrWnd); if (temp) DestroyWindow(temp); if( hbmImage ) DeleteObject(hbmImage); if( lpWave ) UnlockResource(hresWave); if( hresWave ) FreeResource(hresWave); sndPlaySound(NULL, 0); break; case WM_ERASEBKGND: if (bBlankScreen) { GetClientRect(hWnd,&rc); FillRect((HDC)wParam,&rc,(HBRUSH)GetStockObject(BLACK_BRUSH)); } return 0L; default: break; } /* If we don't handle message, pass it to default procedure. */ return DefScreenSaverProc(hWnd, msg, wParam, lParam); } /* RegisterDialogClasses -- Entry point for registering window * classes required by configuration dialog box. * * Params: hWnd -- Handle to window * * Return: None */ BOOL RegisterDialogClasses(HINSTANCE hInst) { return TRUE; } /* ScreenSaverConfigureDialog -- Dialog box function for configuration * dialog. * * Params: hWnd -- Handle to window * * Return: None */ BOOL FAR PASCAL ScreenSaverConfigureDialog(HWND hDlg,UINT msg,WPARAM wParam,LPARAM lParam) { static HWND hIDOK; static HWND hSetPassword; switch (msg) { case WM_INITDIALOG: GetIniEntries(); // Load strings from table. GetIniSettings(); // Read from CONTROL.INI /* Set values in dialog box. */ SetDlgItemInt(hDlg, ID_SPEED, wMaxSpeed, FALSE); SetDlgItemInt(hDlg, ID_BDELAY, DelayTime, TRUE ); SetDlgItemInt(hDlg, ID_MDELAY, ShortTime, TRUE ); SetDlgItemInt(hDlg, ID_MAGNIFY, wMagnification, TRUE ); SetDlgItemInt(hDlg, ID_CLEVEL, ChangeFreq, TRUE ); SetDlgItemText(hDlg,ID_FNAME, szFileToPlay); SendDlgItemMessage(hDlg, ID_BLANKIT, BM_SETCHECK, bBlankScreen, NULL); SendDlgItemMessage(hDlg, ID_MUTE, BM_SETCHECK, bMuteAudio, NULL); SendDlgItemMessage(hDlg, ID_CONT, BM_SETCHECK, bRepeatPlay, NULL); SendDlgItemMessage(hDlg, ID_PASSWORDPROTECTED, BM_SETCHECK, bPassword, NULL); hSetPassword=GetDlgItem(hDlg, ID_SETPASSWORD); EnableWindow(hSetPassword, bPassword); hIDOK=GetDlgItem(hDlg, IDOK); return TRUE; case WM_COMMAND: switch (wParam) { case IDOK: /* User clicked OK button; put values into variables. */ wMaxSpeed = GetDlgItemInt(hDlg, ID_SPEED, NULL, FALSE ); DelayTime = GetDlgItemInt(hDlg, ID_BDELAY, NULL, TRUE ); ShortTime = GetDlgItemInt(hDlg, ID_MDELAY, NULL, TRUE ); wMagnification = GetDlgItemInt(hDlg, ID_MAGNIFY, NULL, TRUE ); ChangeFreq = GetDlgItemInt(hDlg, ID_CLEVEL, NULL, TRUE ); GetDlgItemText(hDlg,ID_FNAME, szFileToPlay, STRLEN); bBlankScreen = IsDlgButtonChecked(hDlg, ID_BLANKIT ); bRepeatPlay = IsDlgButtonChecked(hDlg, ID_CONT ); bMuteAudio = IsDlgButtonChecked(hDlg, ID_MUTE ); bPassword = IsDlgButtonChecked(hDlg, ID_PASSWORDPROTECTED); /* Check the values we just loaded! */ VerifyIniSettings(); /* Put values into CONTROL.INI. */ WriteProfileInt(szAppName, szSpeedName, wMaxSpeed ); WriteProfileInt(szAppName, szDelayName, DelayTime ); WriteProfileInt(szAppName, szSDelayName, ShortTime ); WriteProfileInt(szAppName, szMagnifyName, wMagnification ); WriteProfileInt(szAppName, szChangeName, ChangeFreq ); WritePrivateProfileString(szAppName, szPlayFileName, szFileToPlay, szIniFile); WriteProfileInt(szAppName, szBlankitName, bBlankScreen ); WriteProfileInt(szAppName, szMuteName, bMuteAudio ); WriteProfileInt(szAppName, szRepeatName, bRepeatPlay ); WriteProfileInt(szAppName, szIsPassword, bPassword ); /* Close dialog box. */ EndDialog(hDlg, TRUE); return TRUE; case IDCANCEL: /* Cancelling dialog box. Save nothing and close. */ EndDialog(hDlg, FALSE); return TRUE; case ID_SETPASSWORD: { FARPROC fpDialog; /* Get and set password. */ if((fpDialog = MakeProcInstance(DlgChangePassword,hMainInstance)) == NULL) return FALSE; DialogBox(hMainInstance, MAKEINTRESOURCE(DLG_CHANGEPASSWORD), hDlg, fpDialog); FreeProcInstance(fpDialog); SendMessage(hDlg, WM_NEXTDLGCTL, hIDOK, 1l); break; } case ID_PASSWORDPROTECTED: /* Password protection enabled. */ bPassword ^= 1; CheckDlgButton(hDlg, wParam, bPassword); EnableWindow(hSetPassword, bPassword); break; case ID_HELP: DoHelp: #if 0 bHelpActive=WinHelp(hDlg, szHelpFile, HELP_CONTEXT, IDH_DLG_BOUNCER); if (!bHelpActive) MessageBox(hDlg, szNoHelpMemory, szName, MB_OK); #else MessageBox(hDlg, "Insert your call to WinHelp() here.", szName, MB_OK); #endif break; } break; default: if (msg==MyHelpMessage) // Context sensitive help msg. goto DoHelp; } return FALSE; } /* GetIniSettings -- Get initial bounce settings from WIN.INI * * Params: hWnd -- Handle to window * * Return: None */ static void GetIniSettings() { /* Load initialization settings from CONTROL.INI. */ wMaxSpeed = GetPrivateProfileInt(szAppName,szSpeedName,DEF_SPEED,szIniFile); DelayTime = GetPrivateProfileInt(szAppName,szDelayName,DEF_INIT_BDELAY,szIniFile); ShortTime = GetPrivateProfileInt(szAppName,szSDelayName,DEF_INIT_MDELAY,szIniFile); wMagnification = GetPrivateProfileInt(szAppName,szMagnifyName,DEF_INIT_MAGNIFY, szIniFile); ChangeFreq = GetPrivateProfileInt(szAppName,szChangeName,DEF_INIT_CLEVEL,szIniFile); GetPrivateProfileString(szAppName, szPlayFileName, DEF_FNAME,szFileToPlay, STRLEN, szIniFile); bBlankScreen = GetPrivateProfileInt(szAppName, szBlankitName, DEF_BLANKIT,szIniFile); bMuteAudio = GetPrivateProfileInt(szAppName, szMuteName, DEF_MUTE,szIniFile); bRepeatPlay = GetPrivateProfileInt(szAppName, szRepeatName, DEF_CONT,szIniFile); bPassword = GetPrivateProfileInt(szAppName, szIsPassword, FALSE, szIniFile); /* Check the values we just loaded! */ VerifyIniSettings(); } /* WriteProfileInt - Write an unsigned integer value to CONTROL.INI. * * Params: name - szSection - [section] name in .INI file * szKey - key= in .INI file * i - value for key above * * Return: None */ static void WriteProfileInt(LPSTR szSection, LPSTR szKey, int i) { char achBuf[40]; /* write out as unsigned because GetPrivateProfileInt() can't * cope with signed values! */ wsprintf(achBuf, "%u", i); WritePrivateProfileString(szSection, szKey, achBuf, szIniFile); } void GetIniEntries(void) { //Load Common Strings from stringtable... LoadString(hMainInstance, idsIsPassword, szIsPassword, 22 ); LoadString(hMainInstance, idsIniFile, szIniFile, MAXFILELEN); LoadString(hMainInstance, idsScreenSaver, szScreenSaver, 22 ); LoadString(hMainInstance, idsPassword, szPassword, 16 ); LoadString(hMainInstance, idsDifferentPW, szDifferentPW, BUFFLEN ); LoadString(hMainInstance, idsChangePW, szChangePW, 30 ); LoadString(hMainInstance, idsBadOldPW, szBadOldPW, 255 ); LoadString(hMainInstance, idsHelpFile, szHelpFile, MAXFILELEN); LoadString(hMainInstance, idsNoHelpMemory, szNoHelpMemory, BUFFLEN ); } /* PlayFile - Play the AVI file. * * Params: hWnd - Window used for playback. * * Return: None */ static void PlayFile(HWND hWnd) { /* See if the file is open for playing. */ if (FileOpen) { /* Go to first frame in file. mciExecute("seek AVIFile to 0"); /* Construct a "put" command string for window and execute it. */ strcpy(szReturnString,"put AVIFIle window at 0 0 "); strcat(szReturnString,szPlayWidth); strcat(szReturnString," "); strcat(szReturnString,szPlayHeight); mciExecute(szReturnString); /* Construct a "put" command string for destination and execute it. */ strcpy(szReturnString,"put AVIFIle destination at 0 0 "); strcat(szReturnString,szPlayWidth); strcat(szReturnString," "); strcat(szReturnString,szPlayHeight); mciExecute(szReturnString); /* Play the file, either continuously or one time. */ if (bRepeatPlay) mciExecute("play AVIFile window repeat"); else mciExecute("play AVIFile from 0"); } } /* MovePlayer - Move player (called when short timer goes off). * * Params: hWnd - Window used for playback. * * Return: None */ /* Default values for horizontal and vertical increments for moves. */ static UINT Vinc=1; static UINT Hinc=1; static void MovePlayer(HWND hWindow) { int Temp; // Holder for temporary values. /* Toggles for defining current direction. */ static BOOL Horizontal=TRUE, Vertical=TRUE; /* Get a random number. */ Temp = rand(); /* If mod zero, time to change direction. */ if (Temp % ChangeFreq == 0) { /* Change vectors. */ Horizontal = !Horizontal; Temp = rand(); Hinc = (Temp % wMaxSpeed)+1; } /* Get a random number. */ Temp = rand(); /* If mod zero, time to change direction. */ if (Temp % ChangeFreq == 0) { /* Change vectors. */ Vertical = !Vertical; Temp = rand(); Vinc = (Temp % wMaxSpeed)+1; } /* Now that we have established direction and amount, apply them! */ if (Vertical) wTop += Vinc; else wTop -= Vinc; if (Horizontal) wLeft += Hinc; else wLeft -= Hinc; /* Make sure we haven't wandered off of the screen. */ if (wLeft <= 0) { wLeft = 1; Horizontal = !Horizontal; } if (wTop <= 0) { wTop = 1; Vertical = !Vertical; } if (wTop > (lpScreen.bottom-((int)wPlayHeight+wAdjHeight))) { wTop = lpScreen.bottom-((int)wPlayHeight+wAdjHeight); Vertical = !Vertical; } if (wLeft > (lpScreen.right-((int)wPlayWidth+wAdjWidth))) { Horizontal = !Horizontal; wLeft = lpScreen.right-((int)wPlayWidth+wAdjWidth); } /* Are we working with a blank screen or not? */ if (bBlankScreen) SetWindowPos(hWindow,HWND_TOP,wLeft,wTop,(int)wPlayWidth+wAdjWidth,(int)wPlayHeight+ wAdjHeight,SWP_NOSIZE|SWP_NOZORDER); else MoveWindow(hWindow,wLeft,wTop,(int)wPlayWidth+wAdjWidth,(int)wPlayHeight+wAdjHeight, RepaintToggle); } /* MovePlayerRandom - Move player to a random screen location. * * Params: hWnd - Window used for playback. * * Return: None */ static void MovePlayerRandom(HWND hWindow) { /* Get new coordinates. */ wTop = rand(); wLeft = rand(); /* Check to see if new coordinates are within screen; do again if not. */ while (wTop > (lpScreen.bottom-(int)wPlayHeight-45)) wTop = rand(); while (wLeft > (lpScreen.right-(int)wPlayWidth-25)) wLeft = rand(); /* Move Window; method depends on whether we are blanking screen. */ if (bBlankScreen) SetWindowPos(hWindow,HWND_TOP,wLeft,wTop,(int)wPlayWidth+wAdjWidth,(int)wPlayHeight+ wAdjHeight,SWP_NOZORDER); else MoveWindow(hWindow,wLeft,wTop,(int)wPlayWidth+wAdjWidth,(int)wPlayHeight+wAdjHeight, RepaintToggle); } /* WndProc - Default procedure for playback window. * */ LONG FAR PASCAL WndProc(HWND hWindow,UINT messg, WPARAM wParam,LPARAM lParam) { PAINTSTRUCT ps; HDC hdc; TEXTMETRIC tm; char szMessage[]="File not found:"; static short CharHeight; switch (messg) { case WM_CREATE: hdc = GetDC(hWindow); GetTextMetrics(hdc, &tm); CharHeight = tm.tmHeight; ReleaseDC(hWindow, hdc); break; case WM_PAINT: hdc=BeginPaint(hWindow,&ps); // Put anything you want to display here. if (!FileOpen) { PlaceBitmap(hWindow); PlaySoundResource(); SetTextAlign(hdc,TA_CENTER); TextOut(hdc, 160, 187, szMessage, strlen(szMessage)); TextOut(hdc, 160, 187+CharHeight, szFileToPlay, strlen(szFileToPlay)); } ValidateRect(hWindow,NULL); EndPaint(hWindow,&ps); break; case WM_TIMER: if (!bRepeatPlay) /* Timer went off; play AVI file again. */ PlayFile(hScrWnd); return 0L; break; case WM_DESTROY: if(wTimerLong) KillTimer(hScrWnd,ID_TIMER); PostQuitMessage(0); break; default: return(DefWindowProc(hWindow,messg,wParam,lParam)); } return(0L); } // HDC hDC // Handle to our window DC void PlaceBitmap (HWND hWindow) { HDC hDC; HDC hMemDC; // Handle to a memory DC BITMAP bm; // Bitmap info HBITMAP hbmOld; hDC = GetDC(hWindow); hbmImage = LoadBitmap(hMainInstance, szDIBName); /* Get bitmap size */ GetObject(hbmImage, sizeof(bm), (LPSTR)&bm); hMemDC = CreateCompatibleDC(hDC); hbmOld = SelectObject(hMemDC, hbmImage); if(hbmOld) { /* Blit the image in the new position */ BitBlt(hDC, // dest DC 0,0, // dest origin bm.bmWidth,bm.bmHeight, // dest extents hMemDC, // src DC 0,0, // src origin SRCCOPY ); // ROP code SelectObject(hMemDC, hbmOld); DeleteDC(hMemDC); ReleaseDC(hWindow, hDC); } } void PlaySoundResource(void) { /* Load, lock, and play the sound resource */ HANDLE hResInfo; if( hResInfo = FindResource(hMainInstance, "Sound", "WAVE") ) { if( hresWave = LoadResource(hMainInstance, hResInfo) ) { lpWave = LockResource(hresWave); if (lpWave) sndPlaySound(lpWave, SND_ASYNC | SND_MEMORY); } } } /* SetupPlayback - Set up the Playback window and perform file housekeeping. * * Params: AVIFile - name of AVI file to open and set up. * * Return: Unsigned integer - Playing time in milliseconds. */ UINT SetupPlayback(HWND hWnd, char * AVIFile) { DWORD Result; UINT FrameRate, FrameTotal; char *tempchar; char szMessage[]=" AVI playback file not found: "; /* Verify that file exists. */ FileOpen = fopen(AVIFile, "r"); if (FileOpen) { fclose(FileOpen); /* Get string copy of window handle. */ _itoa(hScrWnd, szWindowHandle, 10); /* Get file info. */ strcpy(szCommandString,"open "); strcat(szCommandString,AVIFile); strcat(szCommandString," style child parent "); strcat(szCommandString,szWindowHandle); strcat(szCommandString," alias AVIFile"); mciExecute(szCommandString); mciExecute("set AVIFile time format frames"); if (bMuteAudio) mciExecute("setaudio AVIFile off"); /* Get size of frame. */ Result = mciSendString("where AVIFile window",szReturnString,1024,0); tempchar = strtok(szReturnString," "); tempchar = strtok(NULL," "); tempchar = strtok(NULL," "); strcpy(szPlayWidth,tempchar); tempchar = strtok(NULL," "); strcpy(szPlayHeight,tempchar); /* Put width and height into integers. */ wPlayWidth = atol(szPlayWidth); wPlayHeight = atol(szPlayHeight); /* Apply magnification factor. */ wPlayWidth = (wPlayWidth * wMagnification)/100; wPlayHeight = (wPlayHeight * wMagnification)/100; /* Check to make sure image isn't too big for screen! */ if (wPlayWidth > (wWidth * 3)) wPlayWidth = wWidth * 3; if (wPlayHeight > wHeight * 3) wPlayHeight = wHeight * 3; /* Put width and hieght back into strings. */ _ltoa(wPlayWidth, szPlayWidth, 10); _ltoa(wPlayHeight, szPlayHeight, 10); /* Resize window to fit frame size. */ wAdjWidth = (lpWindowSize.right-lpWindowSize.left) - (lpClientSize.right- lpClientSize.left); wAdjHeight = (lpWindowSize.bottom-lpWindowSize.top) - (lpClientSize.bottom- lpClientSize.top); mciSendString("status AVIFile length",szReturnString,1024,0); FrameTotal = (UINT)atoi(szReturnString); mciSendString("status AVIFile nominal frame rate",szReturnString,1024,0); FrameRate = (UINT)(atoi(szReturnString))/1000; return (UINT)(FrameTotal/FrameRate)*1000; } else { wPlayWidth = 320L; wPlayHeight = 240L; RepaintToggle = TRUE; /* Create new playback window as overlapped. */ temp=CreateWindow(szProgName,"Video Saver Error", (WS_OVERLAPPED), wLeft, wTop, (int)wPlayWidth, (int)wPlayHeight, hWnd, (HMENU)NULL, (HANDLE)hMainInstance, (LPSTR)NULL); /* Get sizes of Window & Client area for later calculations. */ GetWindowRect(temp,&lpWindowSize); GetClientRect(temp,&lpClientSize); wAdjWidth = (lpWindowSize.right-lpWindowSize.left) - (lpClientSize.right- lpClientSize.left); wAdjHeight = (lpWindowSize.bottom-lpWindowSize.top) - (lpClientSize.bottom- lpClientSize.top); /* Setup for playback. */ MovePlayerRandom(temp); ShowWindow(temp,SW_SHOWNORMAL); return 1; } } void VerifyIniSettings(void) { /* Make sure that all settings have valid values. */ if (wMagnification < 10) wMagnification = 100; if (wMaxSpeed < 1 || wMaxSpeed > 25) wMaxSpeed = 5; if (ShortTime < 10) ShortTime = 10; if (DelayTime < 5) DelayTime = 5; if (ChangeFreq < 5) ChangeFreq = 25; }