图形基础(六十九)

2010-12-30 21:10:52 · 作者: · 浏览: 40667
SEDEFAULT, 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 ;
}
void Show (HWND hwnd, HDC hdc, int xText, int yText, int iMapMode,
TCHAR * szMapMode)
{
TCHAR szBuffer [60] ;
RECT rect ;

SaveDC (hdc) ;
SetMapMode (hdc, iMapMode) ;
GetClientRect (hwnd, &rect) ;
DPtoLP (hdc, (PPOINT) &rect, 2) ;

RestoreDC (hdc, -1) ;
TextOut ( hdc, xText, yText, szBuffer,
wsprintf (szBuffer, TEXT ("%-20s %7d %7d %7d %7d"), szMapMode,
rect.left, rect.right, rect.top, rect.bottom)) ;
}

LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static TCHAR szHeading [] =
TEXT ("Mapping Mode Left Right Top Bottom") ;
static TCHAR szUndLine [] =
TEXT ("------------ ---- ----- --- ------") ;
static int cxChar, cyChar ;
HDC hdc ;
PAINTSTRUCT ps ;
TEXTMETRIC tm ;

switch (message)
{
case WM_CREATE:
hdc = GetDC (hwnd) ;
SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT)) ;

GetTextM