Index: globalconst.h
===================================================================
--- globalconst.h	(nonexistent)
+++ globalconst.h	(revision 2124)
@@ -0,0 +1,118 @@
+/*
+ *                            COPYRIGHT
+ *
+ *  PCB, interactive printed circuit board design
+ *  Copyright (C) 1994,1995,1996 Thomas Nau
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Contact addresses for paper mail and Email:
+ *  Thomas Nau, Schlehenweg 15, 88471 Baustetten, Germany
+ *  Thomas.Nau@rz.uni-ulm.de
+ *
+ *  RCS: $Id$
+ */
+
+/* global constants
+ * most of these values are also required by files outside the source tree
+ * (manuals...)
+ */
+
+#ifndef	__GLOBALCONST_INCLUDED__
+#define	__GLOBALCONST_INCLUDED__
+
+#include "config.h"
+
+
+/* frame between the groundplane and the copper or mask - noone seems
+   to remember what these two are for; changing them may have unforeseen
+   side effects. */
+#define	GROUNDPLANEFRAME        MIL_TO_COORD(15)
+#define MASKFRAME               MIL_TO_COORD(3)
+
+/* ---------------------------------------------------------------------------
+ * some limit specifications
+ */
+#define LARGE_VALUE		(COORD_MAX / 2 - 1) /* maximum extent of board and elements */
+ 
+#define	MAX_LAYER		16	/* max number of layer, check source */
+					/* code for more changes, a *lot* more changes */
+#define	MIN_LINESIZE		MIL_TO_COORD(0.01)	/* thickness of lines */
+#define	MAX_LINESIZE		LARGE_VALUE
+#define	MIN_TEXTSCALE		10	/* scaling of text objects in percent */
+#define	MAX_TEXTSCALE		10000
+#define	MIN_PINORVIASIZE	MIL_TO_COORD(20)	/* size of a pin or via */
+#define	MIN_PINORVIAHOLE	MIL_TO_COORD(4)	/* size of a pins or vias drilling hole */
+#define	MAX_PINORVIASIZE	LARGE_VALUE
+#define	MIN_PINORVIACOPPER	MIL_TO_COORD(4)	/* min difference outer-inner diameter */
+#define	MIN_PADSIZE		MIL_TO_COORD(1)	/* min size of a pad */
+#define	MAX_PADSIZE		LARGE_VALUE   /* max size of a pad */
+#define	MIN_DRC_VALUE		MIL_TO_COORD(0.1)
+#define	MAX_DRC_VALUE		MIL_TO_COORD(500)
+#define	MIN_DRC_SILK		MIL_TO_COORD(1)
+#define	MAX_DRC_SILK		MIL_TO_COORD(30)
+#define	MIN_DRC_DRILL		MIL_TO_COORD(1)
+#define	MAX_DRC_DRILL		MIL_TO_COORD(50)
+#define	MIN_DRC_RING		0
+#define	MAX_DRC_RING		MIL_TO_COORD(100)
+#define	MIN_GRID		1
+#define	MAX_GRID		MIL_TO_COORD(1000)
+#define	MAX_FONTPOSITION	255	/* upper limit of characters in my font */
+
+#define	MAX_COORD		LARGE_VALUE	/* coordinate limits */
+#define	MIN_SIZE		MIL_TO_COORD(10)	/* lowest width and height of the board */
+#define	MAX_BUFFER		5	/* number of pastebuffers */
+					/* additional changes in menu.c are */
+					/* also required to select more buffers */
+
+#define	DEFAULT_DRILLINGHOLE	40	/* default inner/outer ratio for */
+					/* pins/vias in percent */
+
+#if MAX_LINESIZE > MAX_PINORVIASIZE	/* maximum size value */
+#define	MAX_SIZE	MAX_LINESIZE
+#else
+#define	MAX_SIZE	MAX_PINORVIASIZE
+#endif
+
+#ifndef	MAXPATHLEN			/* maximum path length */
+#ifdef	PATH_MAX
+#define	MAXPATHLEN	PATH_MAX
+#else
+#define	MAXPATHLEN	2048
+#endif
+#endif
+
+#define	MAX_LINE_POINT_DISTANCE		0	/* maximum distance when searching */
+						/* line points */
+#define	MAX_POLYGON_POINT_DISTANCE	0	/* maximum distance when searching */
+						/* polygon points */
+#define	MAX_ELEMENTNAMES		3	/* number of supported names of */
+						/* an element */
+#define MAX_NETLIST_LINE_LENGTH		255	/* maximum line length for netlist files */
+#define	MAX_MODESTACK_DEPTH		16	/* maximum depth of mode stack */
+#define	MIN_GRID_DISTANCE		4	/* minimum distance between point */
+						/* to enable grid drawing */
+	/* size of diamond element mark */
+#define EMARK_SIZE	MIL_TO_COORD (10)
+
+
+/**** Font ***/
+/* These are used in debug draw font rendering (e.g. pin names) and reverse
+   scale calcualtions (e.g. when report is trying to figure how the font
+   is scaled. Changing these values is not really supported. */
+#define  FONT_CAPHEIGHT    MIL_TO_COORD (45)   /* (Approximate) capheight size of the default PCB font */
+#define  DEFAULT_CELLSIZE  50                  /* default cell size for symbols */
+
+#endif