Initial import of xtrkcad version 1:4.0.2-2

1 files changed, 63 insertions, 0 deletions

diff --git a/app/bin/utility.h b/app/bin/utility.h
new file mode 100644
index 0000000..ccf85e4
--- /dev/null
+++ b/app/bin/utility.h
@@ -0,0 +1,63 @@
+/*
+ * $Header: /home/dmarkle/xtrkcad-fork-cvs/xtrkcad/app/bin/utility.h,v 1.1 2005-12-07 15:47:39 rc-flyer Exp $
+ */
+
+/*  XTrkCad - Model Railroad CAD
+ *  Copyright (C) 2005 Dave Bullis
+ *
+ *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef UTILITY_H
+#define UTILITY_H
+
+#ifndef TRUE
+#define TRUE 1
+#define FALSE 0
+#endif
+
+#define EPSILON (0.000001)
+
+#ifdef small
+#undef small
+#endif
+#define small(r) (r < EPSILON && r > -EPSILON)
+
+extern DEBUGF_T debugIntersection;
+
+#ifndef max
+double max( double a, double b );
+double min( double a, double b );
+#endif
+double FindDistance( coOrd p0, coOrd p1 );
+double NormalizeAngle( double a );
+int IsAligned( double a1, double a2 );
+double D2R( double D );
+double R2D( double R );
+void Rotate( coOrd *p, coOrd orig, double angle );
+void Translate( coOrd *res, coOrd orig, double a, double d );
+double FindAngle( coOrd p0, coOrd p1 );
+int PointOnCircle( coOrd * resP, coOrd center, double radius, double angle );
+double ConstrainR( double r );
+void FindPos( coOrd * res, double * beyond, coOrd pos, coOrd orig, double angle, double length );
+int FindIntersection( coOrd *Pc, coOrd P00, double A0, coOrd P10, double A1 );
+double LineDistance( coOrd *p, coOrd p0, coOrd p1 );
+double CircleDistance( coOrd *p, coOrd c, double r, double a0, double a1 );
+int PickArcEndPt( coOrd, coOrd, coOrd );
+int PickLineEndPt( coOrd, double, coOrd );
+coOrd AddCoOrd( coOrd, coOrd, double );
+int ClipLine( coOrd *, coOrd *, coOrd, double, coOrd );
+
+#endif