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piinit.c
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1993-12-06
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/**
** PIINIT.C
**
** Copyright (C) 1992, Csaba Biegl
** 820 Stirrup Dr, Nashville, TN, 37221
** csaba@vuse.vanderbilt.edu
**
** This file is distributed under the terms listed in the document
** "copying.cb", available from the author at the address above.
** A copy of "copying.cb" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.cb".
** You should also have received a copy of the GNU General Public
** License along with this program (it is in the file "copying");
** if not, write to the Free Software Foundation, Inc., 675 Mass Ave,
** Cambridge, MA 02139, USA.
**
** This program 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 General Public License for more details.
**/
#include "p8514a.h"
/*
* An element of this table gets XOR-ed with the significant bits of
* the color. It has to be drawn only if the result is nonzero
*/
int _GrPIDrawTable[4] = {
~C_SIGNIF, /* C_SET -- always draw */
0, /* C_XOR -- draw only if non-zero */
0, /* C_OR -- draw only if non-zero */
C_SIGNIF /* C_AND -- draw only if not all 1-s */
};
int _GrPIMixTable[4] = {
FSS_FRGDCOL | MIX_SRC, /* C_SET */
FSS_FRGDCOL | MIX_XOR, /* C_XOR */
FSS_FRGDCOL | MIX_OR, /* C_OR */
FSS_FRGDCOL | MIX_AND /* C_AND */
};