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, WPARAM wParam,LPARAM lParam)
{
static DWORD dwCharSet = DEFAULT_CHARSET ;
static int cxChar, cyChar, cxClient, cyClient, cxBuffer, cyBuffer,
xCaret, yCaret ;
static TCHAR * pBuffer = NULL ;
HDC hdc ;
int x, y, i ;
PAINTSTRUCT ps ;
TEXTMETRIC tm ;
switch (message)
{
case WM_INPUTLANGCHANGE:
dwCharSet = wParam ;
// fall through
case WM_CREATE:
hdc = GetDC (hwnd) ;
SelectObject ( hdc, CreateFont (0, 0, 0, 0, 0, 0, 0, 0,
dwCharSet, 0, 0, 0, FIXED_PITCH, NULL)) ;
GetTextMetrics (hdc, &tm) ;
cxChar = tm.tmAveCharWidth ;
cyChar = tm.tmHeight ;
DeleteObject (SelectObject (hdc, GetStockObject (SYSTEM_FONT))) ;
ReleaseDC (hwnd, hdc) ;
// fall through
case WM_SIZE:
// obtain window size in pixels
if (message == WM_SIZE)
{
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
}
// calculate window size in characters
cxBuffer = max (1, cxClient / cxChar) ;
cyBuffer = max (1, cyClient / cyChar) ;
// allocate memory for buffer and clear it
if (pBuffer != NULL)
free (pBuffer) ;
pBuffer = (TCHAR *) malloc (cxBuffer * cyBuffer * sizeof (TCHAR)) ;
for (y = 0 ; y < cyBuffer ; y+ |