vv.rar_vfw_摄像头 拍照

#include <windows.h> #include <vfw.h> #include <commdlg.h> #include "CapPicture.h" LRESULT WINAPI MainWndProc( HWND, UINT, WPARAM, LPARAM ); LRESULT WINAPI SelCapDrvProc( HWND, UINT, WPARAM, LPARAM ); int EnumCapDrv(); VOID APIENTRY HandlePopupMenu(HWND, POINT); DWORD WINAPI videoThreadProc(LPVOID lParam); HANDLE ghInstance; HWND hwndMain; HWND hwndVideo; HWND hwndSelCapDrvDlg; HWND hwndSelCapDrvDlg_LBox; HWND hwndExit; HWND hwndMin; HWND hwndHelp; HWND hwndRecord; HANDLE hVideoThread; HRGN hRegion1; CAPDRIVERCAPS CapDrvCaps; bool isRecordFileOpen = false; char recordFile[260]; bool isPicFileOpen = false; char pictureFile[260]; bool isRecording = false; bool threadEnd = false; int PASCAL WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow ) { WNDCLASS wc; MSG msg; if( !hPrevInstance ) { wc.lpszClassName = "GenericAppClass"; wc.lpfnWndProc = MainWndProc; wc.style = CS_OWNDC | CS_VREDRAW | CS_HREDRAW; wc.hInstance = hInstance; wc.hIcon = LoadIcon( NULL, IDI_APPLICATION ); wc.hCursor = LoadCursor( NULL, IDC_ARROW ); wc.hbrBackground = CreateSolidBrush (RGB(196, 200, 204)); wc.lpszMenuName = "GenericAppMenu"; wc.cbClsExtra = 0; wc.cbWndExtra = 0; RegisterClass( &wc ); } ghInstance = hInstance; hwndMain = CreateWindow( "GenericAppClass", "Super Video", WS_POPUP, 100, 100, 500, 500, NULL, NULL, hInstance, NULL ); ShowWindow( hwndMain, nCmdShow ); SetWindowRgn(hwndMain,hRegion1,1); while( GetMessage( &msg, NULL, 0, 0 ) ) { TranslateMessage( &msg ); DispatchMessage( &msg ); } return msg.wParam; } LRESULT CALLBACK MainWndProc( HWND hwndMain, UINT msg, WPARAM wParam, LPARAM lParam ) { HDC hDC = GetDC(hwndMain); RECT rc; POINT pt; switch( msg ) { case WM_LBUTTONDBLCLK: SetFocus(hwndMain); break; case WM_RBUTTONDOWN: GetClientRect(hwndMain, (LPRECT) &rc); pt.x = LOWORD(lParam); pt.y = HIWORD(lParam); if (PtInRect((LPRECT) &rc, pt)) HandlePopupMenu(hwndMain, pt); break; case WM_PAINT: FrameRgn(hDC,hRegion1,CreateSolidBrush(RGB(0,0,0)),2,2); BringWindowToTop(hwndSelCapDrvDlg); return( DefWindowProc( hwndMain, msg, wParam, lParam )); case WM_COMMAND: CAPSTATUS CapStatus; switch( wParam ) { case SOURCE: if(CapDrvCaps.fHasDlgVideoSource) capDlgVideoSource(hwndVideo); break; case FORMAT: if(CapDrvCaps.fHasDlgVideoFormat) { capDlgVideoFormat(hwndMain); capGetStatus(hwndVideo, &CapStatus, sizeof(CAPSTATUS)); SetWindowPos(hwndVideo, NULL, 0, 0, CapStatus.uiImageWidth, CapStatus.uiImageHeight, SWP_NOZORDER | SWP_NOMOVE); } break; case DISPLAY: if (CapDrvCaps.fHasDlgVideoDisplay) capDlgVideoDisplay(hwndVideo); break; case EXIT: SendMessage(hwndMain, WM_SYSCOMMAND, SC_CLOSE, 0); break; case MINIMIZE: SendMessage(hwndMain, WM_SYSCOMMAND, SC_MINIMIZE, 0); break; case HELP: SendMessage(hwndMain, WM_SYSCOMMAND, SC_CONTEXTHELP, 0); break; case RECORDVIDEO: if(HIWORD(wParam) == BN_CLICKED && (HWND) lParam == hwndRecord) { if (!isRecordFileOpen) { OPENFILENAME ofn; ZeroMemory(&ofn, sizeof(OPENFILENAME)); ofn.lStructSize = sizeof(OPENFILENAME); ofn.hwndOwner = hwndMain; ofn.lpstrFile = recordFile; ofn.nMaxFile = sizeof(recordFile); ofn.lpstrFilter = "Video\0*.avi"; ofn.nFilterIndex = 1; ofn.lpstrFileTitle = NULL; ofn.nMaxFileTitle = 0; ofn.lpstrInitialDir = NULL; ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST; if(GetSaveFileName(&ofn) == TRUE) { strcpy(recordFile, ofn.lpstrFile); strcat(recordFile, ".avi"); isRecordFileOpen = true; DWORD id; SECURITY_ATTRIBUTES sa; sa.nLength = sizeof(SECURITY_ATTRIBUTES); sa.lpSecurityDescriptor = NULL; sa.bInheritHandle = TRUE; hVideoThread = CreateThread(&sa, (ULONG)0, videoThreadProc, (LPVOID)(ULONG)0, (ULONG)0, &id); if(hVideoThread == NULL) MessageBox(NULL, "Creation of Record Thread failed!", "Thread", MB_OK | MB_ICONEXCLAMATION); break; } } if (isRecordFileOpen) { if(isRecording) { threadEnd = true; capFileSaveAs(hwndVideo, recordFile); SetWindowText(hwndRecord, "Record Video"); isRecording = false; break; } if(!isRecording ) { int a = 0; MessageBox(hwndMain, "Do you want to write over the open file?", "File warning", MB_YESNO | MB_ICONWARNING); if (a != IDYES) { isRecordFileOpen = false; SendMessage(hwndMain, WM_COMMAND, MAKEWPARAM(RECORDVIDEO, BN_CLICKED), (LPARAM) hwndRecord); } if (a == IDYES) { capCaptureSequence(hwndVideo); isRecording = true; } break; } } } break; } break; case WM_CREATE: RECT helpRect, minRect, exitRect; HRGN helpRgn, minRgn, exitRgn; hRegion1 = CreateRoundRectRgn(100,100,500, 500,20,20); hwndVideo = capCreateCaptureWindow( (LPSTR) "My Capture Window", WS_CHILD | WS_VISIBLE, 150, 150, 300, 280, (HWND) hwndMain, (int) 1); hwndExit = CreateWindow ( "button", "x", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_CENTER | BS_VCENTER, 470, 110, BUTTONSIZE, BUTTONSIZE, hwndMain, (HMENU) EXIT, (HINSTANCE)ghInstance, (LPVOID)NULL); hwndMin = CreateWindow ( "button", "-", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_CENTER | BS_VCENTER, 450, 110, BUTTONSIZE, BUTTONSIZE, hwndMain, (HMENU) MINIMIZE, (HINSTANCE)ghInstance, (LPVOID)NULL); hwndHelp = CreateWindow ( "button", "?", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_CENTER | BS_VCENTER, 430, 110, BUTTONSIZE, BUTTONSIZE, hwndMain, (HMENU) HELP, (HINSTANCE)ghInstance, (LPVOID)NULL); hwndRecord = CreateWindow ( "button", "录像", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_CENTER | BS_VCENTER, 250, 464, 90, 28, hwndMain, (HMENU) RECORDVIDEO, (HINSTANCE)ghInstance, (LPVOID)NULL); GetClientRect(hwndHelp, &helpRect); GetClientRect(hwndMin, &minRect); GetClientRect(hwndExit, &exitRect); helpRgn = CreateEllipticRgnIndirect(&helpRect); minRgn = CreateEllipticRgnIndirect(&minRect); exitRgn = CreateEllipticRgnIndirect(&exitRect); SetWindowRgn(hwndExit,exitRgn,1); SetWindowRgn(hwndMin,minRgn,1); SetWindowRgn(hwndHelp,helpRgn,1); hwndSelCapDrvDlg = CreateDialog((HINSTANCE)ghInstance, MAKEINTRESOURCE( SELCAPDRVDLG ), 0, (DLGPROC)SelCapDrvProc); hwndSelCapDrvDlg_LBox = GetDlgItem(hwndSelCapDrvDlg, SELCAPDRVDLG_LSTBOX); EnumCapDrv(); break; case WM_DESTROY: capPreview(hwndVideo, FALSE); capDriverDisconnect(hwndVideo); PostQuitMessage( 0 ); break; default: return( DefWindowProc( hwndMain, msg, wParam, lParam )); } return 0; } LRESULT CALLBACK SelCapDrvProc( HWND