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- /*-------------------------------------
- EMF3.C -- Enhanced Metafile Demo #3
- (c) Charles Petzold, 1998
- -------------------------------------*/
-
- #include <windows.h>
-
- LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
-
- int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- PSTR szCmdLine, int iCmdShow)
- {
- static TCHAR szAppName[] = TEXT ("EMF3") ;
- 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 = 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 ;
- }
-
- hwnd = CreateWindow (szAppName, TEXT ("Enhanced Metafile Demo #3"),
- WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT, CW_USEDEFAULT,
- CW_USEDEFAULT, CW_USEDEFAULT,
- NULL, NULL, hInstance, NULL) ;
-
- ShowWindow (hwnd, iCmdShow) ;
- UpdateWindow (hwnd) ;
-
- while (GetMessage (&msg, NULL, 0, 0))
- {
- TranslateMessage (&msg) ;
- DispatchMessage (&msg) ;
- }
- return msg.wParam ;
- }
-
- LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
- {
- LOGBRUSH lb ;
- HDC hdc, hdcEMF ;
- HENHMETAFILE hemf ;
- PAINTSTRUCT ps ;
- RECT rect ;
-
- switch (message)
- {
- case WM_CREATE:
- hdcEMF = CreateEnhMetaFile (NULL, TEXT ("emf3.emf"), NULL,
- TEXT ("EMF3\0EMF Demo #3\0")) ;
-
- SelectObject (hdcEMF, CreateSolidBrush (RGB (0, 0, 255))) ;
-
- lb.lbStyle = BS_SOLID ;
- lb.lbColor = RGB (255, 0, 0) ;
- lb.lbHatch = 0 ;
-
- SelectObject (hdcEMF,
- ExtCreatePen (PS_SOLID | PS_GEOMETRIC, 5, &lb, 0, NULL)) ;
-
- if (GetVersion () & 0x80000000) // Windows 98
- Rectangle (hdcEMF, 100, 100, 201, 201) ;
- else // Windows NT
- Rectangle (hdcEMF, 101, 101, 202, 202) ;
-
- MoveToEx (hdcEMF, 100, 100, NULL) ;
- LineTo (hdcEMF, 200, 200) ;
-
- MoveToEx (hdcEMF, 200, 100, NULL) ;
- LineTo (hdcEMF, 100, 200) ;
-
- DeleteObject (SelectObject (hdcEMF, GetStockObject (BLACK_PEN))) ;
- DeleteObject (SelectObject (hdcEMF, GetStockObject (WHITE_BRUSH))) ;
-
- hemf = CloseEnhMetaFile (hdcEMF) ;
-
- DeleteEnhMetaFile (hemf) ;
- return 0 ;
-
- case WM_PAINT:
- hdc = BeginPaint (hwnd, &ps) ;
-
- GetClientRect (hwnd, &rect) ;
-
- rect.left = rect.right / 4 ;
- rect.right = 3 * rect.right / 4 ;
- rect.top = rect.bottom / 4 ;
- rect.bottom = 3 * rect.bottom / 4 ;
-
- hemf = GetEnhMetaFile (TEXT ("emf3.emf")) ;
-
- PlayEnhMetaFile (hdc, hemf, &rect) ;
- DeleteEnhMetaFile (hemf) ;
- EndPaint (hwnd, &ps) ;
- return 0 ;
-
- case WM_DESTROY:
- PostQuitMessage (0) ;
- return 0 ;
- }
- return DefWindowProc (hwnd, message, wParam, lParam) ;
- }
-