117 lines
5.0 KiB
C
117 lines
5.0 KiB
C
/**
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* @file cell.h
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*/
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/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
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* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
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*
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* Copyright (C) 1992-2012 KiCad Developers, see change_log.txt for contributors.
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*
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* First copyright (C) Randy Nevin, 1989 (see PCBCA package)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef _CELL_H_
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#define _CELL_H_
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/* Bits characterizing cell */
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#define HOLE 0x01 /* a conducting hole or obstacle */
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#define CELL_is_MODULE 0x02 /* auto placement occupied by a module */
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#define CELL_is_EDGE 0x20 /* Area and auto-placement: limiting cell contour (Board, Zone) */
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#define CELL_is_FRIEND 0x40 /* Area and auto-placement: cell part of the net */
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#define CELL_is_ZONE 0x80 /* Area and auto-placement: cell available */
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/* Bit masks for presence of obstacles to autorouting */
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#define OCCUPE 1 /* Autorouting: obstacle tracks and vias. */
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#define VIA_IMPOSSIBLE 2 /* Autorouting: obstacle for vias. */
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#define CURRENT_PAD 4
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/* traces radiating outward from a hole to a side or corner */
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#define HOLE_NORTH 0x00000002L /* upward */
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#define HOLE_NORTHEAST 0x00000004L /* upward and right */
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#define HOLE_EAST 0x00000008L /* to the right */
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#define HOLE_SOUTHEAST 0x00000010L /* downward and right */
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#define HOLE_SOUTH 0x00000020L /* downward */
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#define HOLE_SOUTHWEST 0x00000040L /* downward and left */
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#define HOLE_WEST 0x00000080L /* to the left */
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#define HOLE_NORTHWEST 0x00000100L /* upward and left */
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/* straight lines through the center */
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#define LINE_HORIZONTAL 0x00000002L /* left-to-right line */
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#define LINE_VERTICAL 0x00000004L /* top-to-bottom line */
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/* lines cutting across a corner, connecting adjacent sides */
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#define CORNER_NORTHEAST 0x00000008L /* upper right corner */
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#define CORNER_SOUTHEAST 0x00000010L /* lower right corner */
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#define CORNER_SOUTHWEST 0x00000020L /* lower left corner */
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#define CORNER_NORTHWEST 0x00000040L /* upper left corner */
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/* diagonal lines through the center */
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#define DIAG_NEtoSW 0x00000080L /* northeast to southwest */
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#define DIAG_SEtoNW 0x00000100L /* southeast to northwest */
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/* 135 degree angle side-to-far-corner lines */
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#define BENT_NtoSE 0x00000200L /* north to southeast */
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#define BENT_NtoSW 0x00000400L /* north to southwest */
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#define BENT_EtoSW 0x00000800L /* east to southwest */
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#define BENT_EtoNW 0x00001000L /* east to northwest */
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#define BENT_StoNW 0x00002000L /* south to northwest */
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#define BENT_StoNE 0x00004000L /* south to northeast */
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#define BENT_WtoNE 0x00008000L /* west to northeast */
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#define BENT_WtoSE 0x00010000L /* west to southeast */
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/* 90 degree corner-to-adjacent-corner lines */
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#define ANGLE_NEtoSE 0x00020000L /* northeast to southeast */
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#define ANGLE_SEtoSW 0x00040000L /* southeast to southwest */
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#define ANGLE_SWtoNW 0x00080000L /* southwest to northwest */
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#define ANGLE_NWtoNE 0x00100000L /* northwest to northeast */
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/* 45 degree angle side-to-near-corner lines */
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#define SHARP_NtoNE 0x00200000L /* north to northeast */
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#define SHARP_EtoNE 0x00400000L /* east to northeast */
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#define SHARP_EtoSE 0x00800000L /* east to southeast */
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#define SHARP_StoSE 0x01000000L /* south to southeast */
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#define SHARP_StoSW 0x02000000L /* south to southwest */
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#define SHARP_WtoSW 0x04000000L /* west to southwest */
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#define SHARP_WtoNW 0x08000000L /* west to northwest */
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#define SHARP_NtoNW 0x10000000L /* north to northwest */
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/* directions the cell can be reached from (point to previous cell) */
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#define FROM_NOWHERE 0
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#define FROM_NORTH 1
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#define FROM_NORTHEAST 2
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#define FROM_EAST 3
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#define FROM_SOUTHEAST 4
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#define FROM_SOUTH 5
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#define FROM_SOUTHWEST 6
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#define FROM_WEST 7
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#define FROM_NORTHWEST 8
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#define FROM_OTHERSIDE 9
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#endif // _CELL_H_
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