4 * PCB, interactive printed circuit board design
5 * Copyright (C) 1994,1995,1996 Thomas Nau
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * Contact addresses for paper mail and Email:
22 * Thomas Nau, Schlehenweg 15, 88471 Baustetten, Germany
23 * Thomas.Nau@rz.uni-ulm.de
27 /* prototypes connection search routines
33 #include <stdio.h> /* needed to define 'FILE *' */
36 /* ---------------------------------------------------------------------------
39 #define LOOKUP_FIRST \
42 (VIA_TYPE | LINE_TYPE | RATLINE_TYPE | POLYGON_TYPE | ARC_TYPE)
44 (LINE_TYPE | ARC_TYPE | POLYGON_TYPE)
46 bool LineLineIntersect (LineType
*, LineType
*);
47 bool LineArcIntersect (LineType
*, ArcType
*);
48 bool PinLineIntersect (PinType
*, LineType
*);
49 bool LinePadIntersect (LineType
*, PadType
*);
50 bool ArcPadIntersect (ArcType
*, PadType
*);
51 bool IsPolygonInPolygon (PolygonType
*, PolygonType
*);
52 void LookupElementConnections (ElementType
*, FILE *);
53 void LookupConnectionsToAllElements (FILE *);
54 void LookupConnection (Coord
, Coord
, bool, Coord
, int);
55 void LookupUnusedPins (FILE *);
56 bool ResetFoundLinesAndPolygons (bool);
57 bool ResetFoundPinsViasAndPads (bool);
58 bool ResetConnections (bool);
59 void InitConnectionLookup (void);
60 void InitComponentLookup (void);
61 void InitLayoutLookup (void);
62 void FreeConnectionLookupMemory (void);
63 void FreeComponentLookupMemory (void);
64 void FreeLayoutLookupMemory (void);
65 void RatFindHook (int, void *, void *, void *, bool, bool);
66 void SaveFindFlag (int);
67 void RestoreFindFlag (void);
69 bool lineClear (LineType
*, Cardinal
);
70 bool IsLineInPolygon (LineType
*, PolygonType
*);
71 bool IsArcInPolygon (ArcType
*, PolygonType
*);
72 bool IsPadInPolygon (PadType
*, PolygonType
*);