// draw a box directly to display memory
int _near Drawbox_Cmd( LPTSTR pszCmdLine )
{
register TCHAR *pszArg, *pszLine;
int nTop, nLeft, nBottom, nRight, nStyle, nAttribute = -1, nFill = -1, n, nFlags = 0, nShade;
if (( pszCmdLine == NULL ) || ( *pszCmdLine == _TEXT('\0') ))
return ( Usage( DRAWBOX_USAGE ));
// get the arguments & colors
if ( sscanf( pszCmdLine, _TEXT("%d%d%d%d%d%n"), &nTop, &nLeft, &nBottom, &nRight, &nStyle, &n ) == 6 ) {
pszLine = pszCmdLine + n;
nAttribute = GetColors( pszLine, 0 );
// check for a FILL color
if (( *pszLine ) && ( _strnicmp( first_arg( pszLine ), BOX_FILL, 3 ) == 0 ) && (( pszArg = first_arg( next_arg( pszLine, 1 ))) != NULL )) {
if ( _strnicmp( pszArg, BRIGHT, 3 ) == 0 ) {
// set intensity bit
nFill = 0x80;
if (( pszArg = first_arg( next_arg( pszLine, 1 ))) == NULL )
return ( Usage( DRAWBOX_USAGE ));
} else
nFill = 0;
if (( nShade = color_shade( pszArg )) <= 15 ) {
nFill |= ( nShade << 4 );
next_arg( pszLine, 1 );
}
}
// check for a SHADOW or ZOOM
while ( *pszLine ) {
if ( _strnicmp( pszLine, BOX_SHADOW, 3 ) == 0 )
nFlags |= BOX_SHADOWED;
else if ( _strnicmp( pszLine, BOX_ZOOM, 3 ) == 0 )
nFlags |= BOX_ZOOMED;
next_arg( pszLine, 1 );
}
}
if (( nAttribute == -1 ) || ( verify_row_col( nTop, nLeft )) || ( verify_row_col( nBottom, nRight )))
return ( Usage( DRAWBOX_USAGE ));
if ( nLeft == 999 ) {
if (( nLeft = (( GetScrCols() - nRight ) / 2 )) < 0 )
nLeft = 0;
nRight += nLeft;
}
if ( nTop == 999 ) {
if (( nTop = (( GetScrRows() - nBottom ) / 2 )) < 0 )
nTop = 0;
nBottom += nTop;
}
_box( nTop, nLeft, nBottom, nRight, nStyle, nAttribute, nFill, nFlags, 1 );
return 0;
}
// draw a horizontal or vertical line directly to the display
static int _fastcall __drawline( LPTSTR pszCmdLine, int fVertical )
{
register int nAttribute = -1;
int nRow, nColumn, nLength, nStyle, n;
// get the arguments & colors
if (( pszCmdLine == NULL ) || ( *pszCmdLine == _TEXT('\0') ))
return ( Usage( (( fVertical ) ? DRAWVLINE_USAGE : DRAWHLINE_USAGE )));
if ( sscanf( pszCmdLine, _TEXT("%d%d%d%d%n"), &nRow, &nColumn, &nLength, &nStyle, &n ) == 5 )
nAttribute = GetColors( pszCmdLine+n, 0 );
// if row or column == 999, center the line
if ( nColumn == 999 ) {
nColumn = ( GetScrCols() - (( fVertical ) ? 0 : nLength )) / 2;
if ( nColumn < 0 )
nColumn = 0;
}
if ( nRow == 999 ) {
nRow = ( GetScrRows() - (( fVertical ) ? nLength : 0 )) / 2;
if ( nRow < 0 )
nRow = 0;
}
return ((( nAttribute == -1 ) || ( verify_row_col( nRow, nColumn )) || ( _line( nRow, nColumn, nLength, nStyle, fVertical, nAttribute, 1 ) != 0 )) ? Usage( (( fVertical ) ? DRAWVLINE_USAGE : DRAWHLINE_USAGE ) ) : 0 );
}
// draw a box directly to display memory
int drawbox_cmd(int argc, char **argv)
{
char *arg, *pszLine;
int top, left, bottom, right, style, attribute = -1, fill = -1;
int box_flags = 0;
// get the arguments & colors
if ((argc >= 7) && (sscanf(argv[1],"%d%d%d%d%d",&top,&left,&bottom,&right,&style) == 5)) {
pszLine = argv[6];
attribute = GetColors(pszLine,0);
// check for a FILL color
if ((*pszLine) && (_strnicmp(first_arg(pszLine),BOX_FILL,3) == 0) && ((arg = first_arg(next_arg(pszLine,1))) != NULL)) {
if (_strnicmp(arg,BRIGHT,3) == 0) {
// set intensity bit
fill = 0x80;
if ((arg = first_arg(next_arg(pszLine,1))) == NULL)
return (usage(DRAWBOX_USAGE));
} else
fill = 0;
if ((argc = color_shade(arg)) <= 15) {
fill |= (argc << 4);
(void)next_arg(pszLine,1);
}
}
// check for a SHADOW or ZOOM
while (*pszLine) {
if (_strnicmp(pszLine,BOX_SHADOW,3) == 0)
box_flags |= BOX_SHADOWED;
else if (_strnicmp(pszLine,BOX_ZOOM,3) == 0)
box_flags |= BOX_ZOOMED;
(void)next_arg(pszLine,1);
}
}
if ((attribute == -1) || (verify_row_col(top,left)) || (verify_row_col(bottom,right)))
return (usage(DRAWBOX_USAGE));
_box(top,left,bottom,right,style,attribute,fill,box_flags,1);
return 0;
}
// draw a horizontal or vertical line directly to the display
int drawline_cmd( int argc, char **argv )
{
int attribute = -1;
int row, col, len, width;
// get the arguments & colors
if (( argc >= 6 ) && ( sscanf( argv[1], "%d%d%d%d", &row, &col, &len, &width ) == 4 ))
attribute = GetColors( argv[5], 0 );
return ((( attribute == -1 ) || ( verify_row_col( row, col )) || ( _line( row, col, len, width,(_ctoupper( argv[0][4] ) == 'V' ), attribute, 1 ) != 0 )) ? usage( DRAWLINE_USAGE ) : 0 );
}