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
28 /* prototypes connection search routines
34 #include <stdio.h> /* needed to define 'FILE *' */
37 /* ---------------------------------------------------------------------------
40 #define LOOKUP_FIRST \
43 (VIA_TYPE | LINE_TYPE | RATLINE_TYPE | POLYGON_TYPE | ARC_TYPE)
45 (LINE_TYPE | ARC_TYPE | POLYGON_TYPE)
47 bool LineLineIntersect (LineTypePtr
, LineTypePtr
);
48 bool LineArcIntersect (LineTypePtr
, ArcTypePtr
);
49 bool PinLineIntersect (PinTypePtr
, LineTypePtr
);
50 bool LinePadIntersect (LineTypePtr
, PadTypePtr
);
51 bool ArcPadIntersect (ArcTypePtr
, PadTypePtr
);
52 bool IsPolygonInPolygon (PolygonTypePtr
, PolygonTypePtr
);
53 void LookupElementConnections (ElementTypePtr
, FILE *);
54 void LookupConnectionsToAllElements (FILE *);
55 void LookupConnection (Coord
, Coord
, bool, Coord
, int);
56 void LookupUnusedPins (FILE *);
57 bool ResetFoundLinesAndPolygons (bool);
58 bool ResetFoundPinsViasAndPads (bool);
59 bool ResetConnections (bool);
60 void InitConnectionLookup (void);
61 void InitComponentLookup (void);
62 void InitLayoutLookup (void);
63 void FreeConnectionLookupMemory (void);
64 void FreeComponentLookupMemory (void);
65 void FreeLayoutLookupMemory (void);
66 void RatFindHook (int, void *, void *, void *, bool, bool);
67 void SaveFindFlag (int);
68 void RestoreFindFlag (void);
70 bool lineClear (LineTypePtr
, Cardinal
);
71 bool IsLineInPolygon (LineTypePtr
, PolygonTypePtr
);
72 bool IsArcInPolygon (ArcTypePtr
, PolygonTypePtr
);
73 bool IsPadInPolygon (PadTypePtr
, PolygonTypePtr
);