712 lines
20 KiB
C++
712 lines
20 KiB
C++
/**
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* @file idf_common.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) 2013-2017 Cirilo Bernardo
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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 IDF_COMMON_H
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#define IDF_COMMON_H
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#include <list>
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#include <fstream>
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#include <exception>
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#include <string>
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#include <cmath>
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// differences in angle smaller than MIN_ANG are considered equal
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#define MIN_ANG (0.01)
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class IDF_POINT;
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class IDF_SEGMENT;
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class IDF_DRILL_DATA;
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class IDF_OUTLINE;
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class IDF_LIB;
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struct IDF_ERROR : std::exception
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{
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std::string message;
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IDF_ERROR( const char* aSourceFile,
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const char* aSourceMethod,
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int aSourceLine,
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const std::string& aMessage ) throw();
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virtual ~IDF_ERROR() throw();
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virtual const char* what() const throw() override;
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};
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namespace IDF3 {
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/**
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* ENUM FILE_STATE
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* represents state values for the IDF parser's input
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*/
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enum FILE_STATE
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{
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FILE_START = 0, // no data has been read; expecting .HEADER
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FILE_HEADER, // header has been read; expecting .BOARD_OUTLINE
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FILE_OUTLINE, // board outline has been read; most sections can be accepted
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FILE_PLACEMENT, // placement has been read; no further sections can be accepted
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FILE_INVALID, // file is invalid
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FILE_ERROR // other errors while processing the file
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};
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/**
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* ENUM IDF_VERSION
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* represents the supported IDF versions (3.0 and 2.0 ONLY)
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*/
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enum IDF_VERSION
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{
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IDF_V2 = 0, // version 2 has read support only; files written as IDFv3
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IDF_V3 // version 3 has full read/write support
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};
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/**
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* ENUM KEY_OWNER
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* represents the type of CAD which has ownership an object
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*/
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enum KEY_OWNER
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{
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UNOWNED = 0, //< either MCAD or ECAD may modify a feature
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MCAD, //< only MCAD may modify a feature
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ECAD //< only ECAD may modify a feature
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};
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/**
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* ENUM KEY_HOLETYPE
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* represents the purpose of an IDF hole
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*/
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enum KEY_HOLETYPE
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{
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PIN = 0, //< drill hole is for a pin
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VIA, //< drill hole is for a via
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MTG, //< drill hole is for mounting
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TOOL, //< drill hole is for tooling
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OTHER //< user has specified a custom type
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};
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/**
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* ENUM KEY_PLATING
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* represents the plating condition of a hole
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*/
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enum KEY_PLATING
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{
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PTH = 0, //< Plate-Through Hole
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NPTH //< Non-Plate-Through Hole
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};
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/**
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* ENUM KEY_REFDES
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* represents a component's Reference Designator
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*/
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enum KEY_REFDES
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{
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BOARD = 0, //< feature is associated with the board
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NOREFDES, //< feature is associated with a component with no RefDes
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PANEL, //< feature is associated with an IDF panel
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REFDES //< reference designator as assigned by the CAD software
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};
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/**
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* ENUM CAD_TYPE
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* represents the class of CAD program which is opening or modifying a file
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*/
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enum CAD_TYPE
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{
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CAD_ELEC = 0, //< An Electrical CAD is opening/modifying the file
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CAD_MECH, //< A Mechanical CAD is opening/modifying the file
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CAD_INVALID
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};
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/**
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* ENUM IDF_LAYER
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* represents the various IDF layer classes and groupings
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*/
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enum IDF_LAYER
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{
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LYR_TOP = 0,
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LYR_BOTTOM,
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LYR_BOTH,
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LYR_INNER,
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LYR_ALL,
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LYR_INVALID
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};
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/**
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* ENUM OUTLINE_TYPE
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* identifies the class of outline
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*/
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enum OUTLINE_TYPE
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{
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OTLN_BOARD = 0,
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OTLN_OTHER,
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OTLN_PLACE,
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OTLN_ROUTE,
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OTLN_PLACE_KEEPOUT,
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OTLN_ROUTE_KEEPOUT,
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OTLN_VIA_KEEPOUT,
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OTLN_GROUP_PLACE,
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OTLN_COMPONENT,
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OTLN_INVALID
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};
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/**
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* ENUM COMP_TYPE
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* identifies whether a component is a mechanical or electrical part
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*/
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enum COMP_TYPE
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{
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COMP_ELEC = 0, //< Component library object is an electrical part
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COMP_MECH, //< Component library object is a mechanical part
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COMP_INVALID
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};
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/**
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* ENUM IDF_UNIT
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* represents the native unit of the board and of component outlines
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*/
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enum IDF_UNIT
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{
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UNIT_MM = 0, //< Units in the file are in millimeters
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UNIT_THOU, //< Units in the file are in mils (aka thou)
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UNIT_TNM, //< Deprecated Ten Nanometer Units from IDFv2
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UNIT_INVALID
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};
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/**
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* ENUM IDF_PLACEMENT
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* represents the placement status of a component
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*/
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enum IDF_PLACEMENT
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{
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PS_UNPLACED = 0, //< component location on the board has not been specified
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PS_PLACED, //< component location has been specified and may be modified by ECAD or MCAD
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PS_MCAD, //< component location has been specified and may only be modified by MCAD
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PS_ECAD, //< component location has been specified and may only be modified by ECAD
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PS_INVALID
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};
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/**
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* Function CalcAngleRad
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* calculates the angle (radians) between the horizon and the segment aStartPoint to aEndPoint
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*
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* @param aStartPoint is the start point of a line segment
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* @param aEndPoint is the end point of a line segment
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*
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* @return double: the angle in radians
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*/
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double CalcAngleRad( const IDF_POINT& aStartPoint, const IDF_POINT& aEndPoint );
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/**
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* Function CalcAngleDeg
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* calculates the angle (degrees) between the horizon and the segment aStartPoint to aEndPoint
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*
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* @param aStartPoint is the start point of a line segment
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* @param aEndPoint is the end point of a line segment
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*
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* @return double: the angle in degrees
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*/
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double CalcAngleDeg( const IDF_POINT& aStartPoint, const IDF_POINT& aEndPoint );
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/**
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* Function GetOutline
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* takes contiguous elements from 'aLines' and stuffs them into 'aOutline'; elements put
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* into the outline are deleted from aLines. This function is useful for sorting the jumbled
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* mess of line segments and arcs which represent a board outline and cutouts in KiCad.
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* The function will determine which segment element within aLines contains the leftmost
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* point and retrieve the outline of which that segment is part.
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*
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* @param aLines (input/output) is a list of IDF segments which comprise an outline and
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* cutouts.
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* @param aOutline (output) is the ordered set of segments
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*/
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void GetOutline( std::list<IDF_SEGMENT*>& aLines,
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IDF_OUTLINE& aOutline );
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#ifdef DEBUG_IDF
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// prints out segment information for debug purposes
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void PrintSeg( IDF_SEGMENT* aSegment );
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#endif
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}
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/**
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* Class IDF_NOTE
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* represents an entry in the NOTE section of an IDF file
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*/
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class IDF_NOTE
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{
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friend class IDF3_BOARD;
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private:
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std::string text; // note text as per IDFv3
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double xpos; // text X position as per IDFv3
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double ypos; // text Y position as per IDFv3
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double height; // text height as per IDFv3
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double length; // text length as per IDFv3
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/**
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* Function readNote
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* reads a note entry from an IDFv3 file
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*
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* @param aBoardFile is an open BOARD file; the file position must be set to the start of a NOTE entry
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* @param aBoardState is the parser's current state value
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* @param aBoardUnit is the BOARD file's native units (MM or THOU)
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*
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* @return bool: true if a note item was read, false otherwise. In case of unrecoverable errors
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* an exception is thrown
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*/
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bool readNote( std::istream& aBoardFile, IDF3::FILE_STATE& aBoardState, IDF3::IDF_UNIT aBoardUnit );
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/**
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* Function writeNote
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* writes a note entry to an IDFv3 file
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*
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* @param aBoardFile is an open BOARD file; the file position must be within a NOTE section
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* @param aBoardUnit is the BOARD file's native units (MM or THOU)
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*
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* @return bool: true if the item was successfully written, false otherwise. In case of
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* unrecoverable errors an exception is thrown
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*/
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bool writeNote( std::ostream& aBoardFile, IDF3::IDF_UNIT aBoardUnit );
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public:
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IDF_NOTE();
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/**
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* Function SetText
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* sets the text to be stored as a NOTE entry
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*/
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void SetText( const std::string& aText );
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/**
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* Function SetPosition
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* sets the position (mm) of the NOTE entry
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*/
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void SetPosition( double aXpos, double aYpos );
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/**
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* Function SetSize
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* sets the height and length (mm) of the NOTE entry
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*/
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void SetSize( double aHeight, double aLength );
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/**
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* Function GetText
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* returns the string stored in the note entry
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*/
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const std::string& GetText( void );
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/**
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* Function GetText
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* returns the position (mm) of the note entry
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*/
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void GetPosition( double& aXpos, double& aYpos );
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/**
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* Function GetText
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* returns the height and length (mm) of the note entry
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*/
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void GetSize( double& aHeight, double& aLength );
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};
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/**
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* @Class IDF_DRILL_DATA
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* contains information describing a drilled hole and is responsible for
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* writing this information to a file in compliance with the IDFv3 specification.
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*/
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class IDF_DRILL_DATA
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{
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friend class IDF3_BOARD;
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friend class IDF3_COMPONENT;
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private:
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double dia;
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double x;
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double y;
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IDF3::KEY_PLATING plating;
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IDF3::KEY_REFDES kref;
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IDF3::KEY_HOLETYPE khole;
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std::string refdes;
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std::string holetype;
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IDF3::KEY_OWNER owner;
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/**
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* Function read
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* read a drill entry from an IDFv3 file
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*
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* @param aBoardFile is an open IDFv3 file; the file position must be within the DRILLED_HOLES section
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* @param aBoardUnit is the board file's native unit (MM or THOU)
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* @param aBoardState is the state value of the parser
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*
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* @return bool: true if data was successfully read, otherwise false. In case of an
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* unrecoverable error an exception is thrown
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*/
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bool read( std::istream& aBoardFile, IDF3::IDF_UNIT aBoardUnit, IDF3::FILE_STATE aBoardState,
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IDF3::IDF_VERSION aIdfVersion );
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/**
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* Function write
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* writes a single line representing a hole within a .DRILLED_HOLES section
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* In case of an unrecoverable error an exception is thrown.
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*
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* @param aBoardFile is an open BOARD file
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* @param aBoardUnit is the native unit of the output file
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*/
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void write( std::ostream& aBoardFile, IDF3::IDF_UNIT aBoardUnit );
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public:
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/**
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* Constructor IDF_DRILL_DATA
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* creates an empty drill entry which can be populated by the
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* read() function
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*/
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IDF_DRILL_DATA();
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/**
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* Constructor IDF_DRILL_DATA
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* creates a drill entry with information compliant with the
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* IDFv3 specifications.
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* @param aDrillDia : drill diameter
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* @param aPosX : X coordinate of the drill center
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* @param aPosY : Y coordinate of the drill center
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* @param aPlating : flag, PTH or NPTH
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* @param aRefDes : component Reference Designator
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* @param aHoleType : purpose of hole
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* @param aOwner : one of MCAD, ECAD, UNOWNED
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*/
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IDF_DRILL_DATA( double aDrillDia, double aPosX, double aPosY,
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IDF3::KEY_PLATING aPlating,
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const std::string& aRefDes,
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const std::string& aHoleType,
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IDF3::KEY_OWNER aOwner );
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/**
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* Function Matches
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* returns true if the given drill diameter and location
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* matches the diameter and location of this IDF_DRILL_DATA object
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*
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* @param aDrillDia is the drill diameter (mm)
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* @param aPosX is the X position (mm) of the drilled hole
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* @param aPosY is the Y position (mm) of the drilled hole
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*
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* @return bool: true if the diameter and position match this object
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*/
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bool Matches( double aDrillDia, double aPosX, double aPosY );
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/**
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* Function GettDrillDia
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* returns the drill diameter in mm
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*/
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double GetDrillDia();
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/**
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* Function GettDrillXPos
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* returns the drill's X position in mm
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*/
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double GetDrillXPos();
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/**
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* Function GettDrillYPos
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* returns the drill's Y position in mm
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*/
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double GetDrillYPos();
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/**
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* Function GetDrillPlating
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* returns the plating value (PTH, NPTH)
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*/
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IDF3::KEY_PLATING GetDrillPlating();
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/**
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* Function GetDrillRefDes
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* returns the reference designator of the hole; this
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* may be a component reference designator, BOARD, or
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* NOREFDES as per IDFv3.
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*/
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const std::string& GetDrillRefDes();
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/**
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* Function GetDrillHoleType
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* returns the classification of the hole; this may be one of
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* PIN, VIA, MTG, TOOL, or a user-specified string
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*/
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const std::string& GetDrillHoleType();
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IDF3::KEY_OWNER GetDrillOwner( void )
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{
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return owner;
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}
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};
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/**
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* @Class IDF_POINT
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* represents a point as used by the various IDF related classes
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*/
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class IDF_POINT
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{
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public:
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double x; // < X coordinate
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double y; // < Y coordinate
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IDF_POINT()
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{
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x = 0.0;
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y = 0.0;
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}
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/**
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* Function Matches()
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* returns true if the given coordinate point is within the given radius
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* of the point.
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*
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* @param aPoint : coordinates of the point being compared
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* @param aRadius : radius (mm) within which the points are considered the same
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*
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* @return bool: true if this point matches the given point
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*/
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bool Matches( const IDF_POINT& aPoint, double aRadius = 1e-5 );
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/**
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* Function CalcDistance()
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* returns the Euclidean distance between this point and the given point
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*
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* @param aPoint : coordinates of the point whose distance is to be determined
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*
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* @return double: distance between this point and aPoint
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*/
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double CalcDistance( const IDF_POINT& aPoint ) const;
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};
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/**
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* @Class IDF_SEGMENT
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* represents a geometry segment as used in IDFv3 outlines; it may be any of
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* an arc, line segment, or circle
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*/
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class IDF_SEGMENT
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{
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private:
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/**
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* Function CalcCenterAndRadius()
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* Calculates the center, radius, and angle between center and start point given the
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* IDF compliant points and included angle.
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*
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* @var startPoint, @var endPoint, and @var angle must be set prior as per IDFv3
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*/
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void CalcCenterAndRadius( void );
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public:
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IDF_POINT startPoint; ///< starting point coordinates in mm
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IDF_POINT endPoint; ///< end point coordinates in mm
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IDF_POINT center; ///< center of an arc or circle; internally calculated and not to be set by the user
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double angle; ///< included angle (degrees) according to IDFv3 specification
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double offsetAngle; ///< angle between center and start of arc; internally calculated
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double radius; ///< radius of the arc or circle; internally calculated
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/**
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* Constructor IDF_SEGMENT
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* initializes the internal variables
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*/
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IDF_SEGMENT();
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/**
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* Function IDF_SEGMENT
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* creates a straight segment
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*/
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IDF_SEGMENT( const IDF_POINT& aStartPoint, const IDF_POINT& aEndPoint );
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/**
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* Constructor IDF_SEGMENT
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* creates a straight segment, arc, or circle depending on the angle
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*
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* @param aStartPoint : start point (center if using KiCad convention, otherwise IDF convention)
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* @param aEndPoint : end point (start of arc if using KiCad convention, otherwise IDF convention)
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* @param aAngle : included angle; the KiCad convention is equivalent to the IDF convention
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* @param fromKicad : set true if we need to convert from KiCad to IDF convention
|
|
*/
|
|
IDF_SEGMENT( const IDF_POINT& aStartPoint,
|
|
const IDF_POINT& aEndPoint,
|
|
double aAngle,
|
|
bool aFromKicad );
|
|
|
|
/**
|
|
* Function MatchesStart
|
|
* returns true if the given coordinate is within a radius 'rad'
|
|
* of the start point.
|
|
*
|
|
* @param aPoint : coordinates of the point (mm) being compared
|
|
* @param aRadius : radius (mm) within which the points are considered the same
|
|
*
|
|
* @return bool: true if the given point matches the start point of this segment
|
|
*/
|
|
bool MatchesStart( const IDF_POINT& aPoint, double aRadius = 1e-3 );
|
|
|
|
/**
|
|
* Function MatchesEnd
|
|
* returns true if the given coordinate is within a radius 'rad'
|
|
* of the end point.
|
|
*
|
|
* @param aPoint : coordinates (mm) of the point being compared
|
|
* @param aRadius : radius (mm) within which the points are considered the same
|
|
*
|
|
* @return bool: true if the given point matches the end point of this segment
|
|
*/
|
|
bool MatchesEnd( const IDF_POINT& aPoint, double aRadius = 1e-3 );
|
|
|
|
/**
|
|
* Function IsCircle
|
|
* returns true if this segment is a circle
|
|
*/
|
|
bool IsCircle( void );
|
|
|
|
/**
|
|
* Function GetMinX()
|
|
* returns the minimum X coordinate of this segment
|
|
*/
|
|
double GetMinX( void );
|
|
|
|
/**
|
|
* Function SwapEnds()
|
|
* Swaps the start and end points and alters internal
|
|
* variables as necessary for arcs
|
|
*/
|
|
void SwapEnds( void );
|
|
};
|
|
|
|
|
|
/**
|
|
* @Class IDF_OUTLINE
|
|
* contains segment and winding information for an IDF outline
|
|
*/
|
|
class IDF_OUTLINE
|
|
{
|
|
private:
|
|
double dir; // accumulator to help determine winding direction
|
|
std::list<IDF_SEGMENT*> outline; // sequential segments comprising an outline
|
|
|
|
public:
|
|
IDF_OUTLINE() { dir = 0.0; }
|
|
~IDF_OUTLINE() { Clear(); }
|
|
|
|
/**
|
|
* Function IsCCW
|
|
* returns true if the current list of points represents a counterclockwise winding
|
|
*/
|
|
bool IsCCW( void );
|
|
|
|
/**
|
|
* Function IsCircle
|
|
* returns true if this outline is a circle
|
|
*/
|
|
bool IsCircle( void );
|
|
|
|
/**
|
|
* Function Clear
|
|
* clears the internal list of outline segments
|
|
*/
|
|
void Clear( void )
|
|
{
|
|
dir = 0.0;
|
|
|
|
while( !outline.empty() )
|
|
{
|
|
delete outline.front();
|
|
outline.pop_front();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Function size
|
|
* returns the size of the internal segment list
|
|
*/
|
|
size_t size( void )
|
|
{
|
|
return outline.size();
|
|
}
|
|
|
|
/**
|
|
* Function empty
|
|
* returns true if the internal segment list is empty
|
|
*/
|
|
bool empty( void )
|
|
{
|
|
return outline.empty();
|
|
}
|
|
|
|
/**
|
|
* Function front
|
|
* returns the front() iterator of the internal segment list
|
|
*/
|
|
IDF_SEGMENT*& front( void )
|
|
{
|
|
return outline.front();
|
|
}
|
|
|
|
/**
|
|
* Function back
|
|
* returns the back() iterator of the internal segment list
|
|
*/
|
|
IDF_SEGMENT*& back( void )
|
|
{
|
|
return outline.back();
|
|
}
|
|
|
|
/**
|
|
* Function begin
|
|
* returns the begin() iterator of the internal segment list
|
|
*/
|
|
std::list<IDF_SEGMENT*>::iterator begin( void )
|
|
{
|
|
return outline.begin();
|
|
}
|
|
|
|
/**
|
|
* Function end
|
|
* returns the end() iterator of the internal segment list
|
|
*/
|
|
std::list<IDF_SEGMENT*>::iterator end( void )
|
|
{
|
|
return outline.end();
|
|
}
|
|
|
|
/**
|
|
* Function push
|
|
* adds a segment to the internal segment list; segments must be added
|
|
* in order so that startPoint[N] == endPoint[N - 1]
|
|
*
|
|
* @param item is a pointer to the segment to add to the outline
|
|
*
|
|
* @return bool: true if the segment was added, otherwise false
|
|
* (outline restrictions have been violated)
|
|
*/
|
|
bool push( IDF_SEGMENT* item );
|
|
};
|
|
|
|
#endif // IDF_COMMON_H
|