textbackground.c

来自「linux下想使用turboc的人有福了」· C语言 代码 · 共 39 行

/*
  TurboC, a library for porting Borland Turbo C to GNU gcc.
  Copyright 2002 Ronald S. Burkey
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  
  Contact Ron Burkey at [e-mail].

  Filename:	textbackground.c
  Purpose:	A Turbo C conio function.
  Mod history:	01/31/02 RSB	Created.
*/

#include "conio.h"

void
textbackground (int newcolor)
{
  if (!ConioInitialized)
    textmode (LASTMODE);
  if (newcolor < 0 || newcolor > 15)
    return;
  newcolor = newcolor << 4;
  newcolor |= CurrentAttributes.normattr & 0x0f;
  textattr (newcolor);
}