/* -*- Mode: C; tab-width: 4 -*- */
/*-
 * automata.c - special stuff for automata modes
 *
 * Copyright (c) 1995 by David Bagley.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appear in all copies and that
 * both that copyright notice and this permission notice appear in
 * supporting documentation.
 *
 * This file is provided AS IS with no warranties of any kind.  The author
 * shall have no liability with respect to the infringement of copyrights,
 * trade secrets or any patents by this file or any part thereof.  In no
 * event will the author be liable for any lost revenue or profits or
 * other special, indirect and consequential damages.
 */

#define NUMSTIPPLES 11
#define STIPPLESIZE 8

static XPoint hexagonUnit[6] =
{
	{0, 0},
	{1, 1},
	{0, 2},
	{-1, 1},
	{-1, -1},
	{0, -2}
};

static XPoint triangleUnit[2][3] =
{
	{
		{0, 0},
		{1, -1},
		{0, 2}
	},
	{
		{0, 0},
		{-1, 1},
		{0, -2}
	}
};


#ifdef DO_STIPPLE
static unsigned char stipples[NUMSTIPPLES][STIPPLESIZE] =
{
	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},	/* white */
	{0x11, 0x22, 0x11, 0x22, 0x11, 0x22, 0x11, 0x22},	/* grey+white | stripe */
	{0x00, 0x66, 0x66, 0x00, 0x00, 0x66, 0x66, 0x00},	/* spots */
	{0x88, 0x44, 0x22, 0x11, 0x88, 0x44, 0x22, 0x11},	/* lt. / stripe */
	{0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66},	/* | bars */
	{0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa},	/* 50% grey */
	{0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00},	/* - bars */
	{0xee, 0xdd, 0xbb, 0x77, 0xee, 0xdd, 0xbb, 0x77},	/* dark \ stripe */
	{0xff, 0x99, 0x99, 0xff, 0xff, 0x99, 0x99, 0xff},	/* spots */
	{0xaa, 0xff, 0xff, 0x55, 0xaa, 0xff, 0xff, 0x55},	/* black+grey - stripe */
	{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}	/* black */
};
#endif /* DO_STIPPLE */