/** ** colorbw.c ---- standard colors: black and white ** ** Copyright (c) 1998 Hartmut Schirmer ** Copyright (c) 1995 Csaba Biegl, 820 Stirrup Dr, Nashville, TN 37221 ** [e-mail: csaba@vuse.vanderbilt.edu] ** ** This file is part of the GRX graphics library. ** ** The GRX graphics library is free software; you can redistribute it ** and/or modify it under some conditions; see the "copying.grx" file ** for details. ** ** 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. ** **/ #include "libgrx.h" #ifdef GrBlack #undef GrBlack #endif GrColor GrBlack(void) { GRX_ENTER(); if(CLRINFO->black == GrNOCOLOR) CLRINFO->black = GrAllocColor(0,0,0); GRX_RETURN(CLRINFO->black); } #ifdef GrWhite #undef GrWhite #endif GrColor GrWhite(void) { GRX_ENTER(); if(CLRINFO->white == GrNOCOLOR) CLRINFO->white = GrAllocColor(255,255,255); GRX_RETURN(CLRINFO->white); }