186 lines
6.1 KiB
C++
186 lines
6.1 KiB
C++
/*
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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) 2021 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2022 KiCad Developers, see AUTHORS.txt for contributors.
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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 TEARDROP_PARAMS_H
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#define TEARDROP_PARAMS_H
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#include <string>
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#include <vector>
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#include <convert_to_biu.h>
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// IDs for targets when creating teardrops
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enum TARGET_TD
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{
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TARGET_UNKNOWN = -1,
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TARGET_ROUND = 0,
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TARGET_RECT = 1,
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TARGET_TRACK = 2,
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TARGET_COUNT = 3
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};
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/**
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* TEARDROP_PARAMETARS is a helper class to handle parameters needed to build teardrops
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* for a board
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* these parameters are sizes and filters
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*/
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class TEARDROP_PARAMETERS
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{
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public:
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TEARDROP_PARAMETERS( TARGET_TD aTdType ):
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m_TdType( aTdType ),
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m_TdMaxLen( Millimeter2iu( 1.0 ) ),
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m_TdMaxHeight( Millimeter2iu( 2.0 ) ),
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m_LengthRatio( 0.5),
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m_HeightRatio( 1.0 ),
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m_CurveSegCount( 0 ),
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m_WidthtoSizeFilterRatio( 0.9 )
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{
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}
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/**
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* Set max allowed length and height for teardrops in IU.
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* a value <= 0 disable the constraint
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*/
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void SetTeardropMaxSize( int aMaxLen, int aMaxHeight )
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{
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m_TdMaxLen = aMaxLen;
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m_TdMaxHeight = aMaxHeight;
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}
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/**
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* Set prefered length and height ratio for teardrops
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* the prefered length and height are VIAPAD width * aLenghtRatio and
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* VIAPAD width * aHeightRatio
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*/
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void SetTeardropSizeRatio( double aLenghtRatio = 0.5, double aHeightRatio = 1.0 )
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{
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m_LengthRatio = aLenghtRatio;
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m_HeightRatio = aHeightRatio;
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}
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/**
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* Set the params for teardrop using curved shape
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* note: if aCurveSegCount is < 3, the shape uses a straight line
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*/
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void SetTeardropCurvedPrm( int aCurveSegCount = 0 )
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{
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m_CurveSegCount = aCurveSegCount;
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}
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bool IsCurved() const { return m_CurveSegCount > 2; }
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public:
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TARGET_TD m_TdType; /// the type of target for these parameters
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/// max allowed length for teardrops in IU. <= 0 to disable
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int m_TdMaxLen;
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/// max allowed height for teardrops in IU. <= 0 to disable
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int m_TdMaxHeight;
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/// The length of a teardrop as ratio between length and size of pad/via
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double m_LengthRatio;
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/// The height of a teardrop as ratio between height and size of pad/via
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double m_HeightRatio;
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/// number of segments to build the curved sides of a teardrop area
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/// must be > 2. for values <= 2 a straight line is used
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int m_CurveSegCount;
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/// The ratio (H/D) between the via/pad size and the track width max value to create a teardrop
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/// 1.0 (100 %) always creates a teardrop, 0.0 (0%) never create a teardrop
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double m_WidthtoSizeFilterRatio;
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};
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/**
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* TEARDROP_PARAMETERS_LIST is a helper class to handle the list of TEARDROP_PARAMETERS
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* needed to build teardrops of different shapes (round, rect, tracks)
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*/
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class TEARDROP_PARAMETERS_LIST
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{
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std::vector<TEARDROP_PARAMETERS> m_params_list;
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public:
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/// True to create teardrops for vias and pads with holes
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bool m_TargetViasPads;
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/// True to create teardrops for pads without holes (SMD and others
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bool m_TargetPadsWithNoHole;
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/// True to create teardrops at the end of a track connected to the end of
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/// another track having a different width
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bool m_TargetTrack2Track;
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/// True to create teardrops for round shapes only
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bool m_UseRoundShapesOnly;
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/// True to create teardrops using 2 track segments if the first in too small
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bool m_AllowUseTwoTracks;
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/// the number of segments to apprximate a curve (Bezier curve) in a teardrop
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/// Must be > 2, otherwise a line is used
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int m_CurveSegCount;
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/// Pads inside a zone of the same net do not have teardrop added.
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/// if this option is true, these pads will have teardrop added.
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bool m_TdOnPadsInZones;
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public:
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TEARDROP_PARAMETERS_LIST() :
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m_TargetViasPads( true ),
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m_TargetPadsWithNoHole( true ),
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m_TargetTrack2Track( false ),
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m_UseRoundShapesOnly( false ),
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m_AllowUseTwoTracks( true ),
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m_CurveSegCount( 5 ),
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m_TdOnPadsInZones( false )
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{
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m_params_list.emplace_back( TARGET_ROUND ); // parameters for TARGET_ROUND
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m_params_list.emplace_back( TARGET_RECT ); // parameters for TARGET_RECT
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m_params_list.emplace_back( TARGET_TRACK ); // parameters for TARGET_TRACK
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}
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/**
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* @return the TEARDROP_PARAMETERS for aTdType target item
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*/
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TEARDROP_PARAMETERS* GetParameters( TARGET_TD aTdType )
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{
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return &m_params_list.at( aTdType );
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}
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/**
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* @return the number of TEARDROP_PARAMETERS item. Should be 3
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*/
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int GetParametersCount()
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{
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return m_params_list.size();
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}
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};
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/**
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* @return the canonical name of a target type of a TEARDROP_PARAMETERS
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* @param aTdType is the target type
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*/
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std::string GetTeardropTargetCanonicalName( TARGET_TD aTdType );
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/**
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* @return the target type from a canonical name of a TEARDROP_PARAMETERS
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* @param aTargetName is the canonical name
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*/
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TARGET_TD GetTeardropTargetTypeFromCanonicalName( const std::string& aTargetName );
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#endif // ifndef TEARDROP_PARAMS_H
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