static void DoOpenFile(LPCWSTR filename)
{
if (!filename) return;
isAldus = FileIsPlaceable(filename);
if (isAldus) {
hmf = GetPlaceableMetaFile(filename);
} else {
RECT r;
isEnhanced = FileIsEnhanced(filename);
if (isEnhanced)
enhmf = GetEnhMetaFileW(filename);
else
hmf = GetMetaFileW(filename);
GetClientRect(hMainWnd, &r);
width = r.right - r.left;
height = r.bottom - r.top;
}
InvalidateRect( hMainWnd, NULL, TRUE );
}
LRESULT CALLBACK WndProc(HWND hwnd,
UINT uMessage,
WPARAM wparam,
LPARAM lparam)
{
switch (uMessage)
{
case WM_PAINT:
{
PAINTSTRUCT ps;
BeginPaint(hwnd, &ps);
SetMapMode(ps.hdc, MM_ANISOTROPIC);
/* Set the window extent to a sane value in case the metafile doesn't */
SetWindowExtEx(ps.hdc, width, height, NULL);
SetViewportExtEx(ps.hdc, width, height, NULL);
SetViewportOrgEx(ps.hdc, deltax, deltay, NULL);
if(hmf) PlayMetaFile(ps.hdc, hmf);
EndPaint(hwnd, &ps);
}
break;
case WM_COMMAND: /* message: command from application menu */
switch (GET_WM_COMMAND_ID(wparam,lparam))
{
case IDM_OPEN:
{
char filename[MAX_PATH];
if (FileOpen(hwnd, filename, sizeof(filename))) {
isAldus = FileIsPlaceable(filename);
if (isAldus) {
hmf = GetPlaceableMetaFile(hwnd, filename);
} else {
RECT r;
hmf = GetMetaFile(filename);
GetClientRect(hwnd, &r);
width = r.right - r.left;
height = r.bottom - r.top;
}
InvalidateRect( hwnd, NULL, TRUE );
}
}
break;
case IDM_SET_EXT_TO_WIN:
{
RECT r;
GetClientRect(hwnd, &r);
width = r.right - r.left;
height = r.bottom - r.top;
deltax = deltay = 0;
InvalidateRect( hwnd, NULL, TRUE );
}
break;
case IDM_LEFT:
deltax += 100;
InvalidateRect( hwnd, NULL, TRUE );
break;
case IDM_RIGHT:
deltax -= 100;
InvalidateRect( hwnd, NULL, TRUE );
break;
case IDM_UP:
deltay += 100;
InvalidateRect( hwnd, NULL, TRUE );
break;
case IDM_DOWN:
deltay -= 100;
InvalidateRect( hwnd, NULL, TRUE );
break;
case IDM_EXIT:
DestroyWindow(hwnd);
break;
default:
return DefWindowProc(hwnd, uMessage, wparam, lparam);
}
break;
case WM_DESTROY: /* message: window being destroyed */
PostQuitMessage(0);
break;
default: /* Passes it on if unprocessed */
return DefWindowProc(hwnd, uMessage, wparam, lparam);
}
return 0;
}
