543 lines
21 KiB
C++
543 lines
21 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) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
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* Copyright (C) 1992-2011 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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/**
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* @file class_pad.h
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* @brief Pad object description
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*/
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#ifndef PAD_H_
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#define PAD_H_
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#include <class_board_item.h>
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#include <class_board_connected_item.h>
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#include <pad_shapes.h>
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#include <PolyLine.h>
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#include <config_params.h> // PARAM_CFG_ARRAY
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#include "zones.h"
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class LINE_READER;
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class EDA_3D_CANVAS;
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class EDA_DRAW_PANEL;
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class MODULE;
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class TRACK;
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class MSG_PANEL_INFO;
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// Helper class to store parameters used to draw a pad
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class PAD_DRAWINFO
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{
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public:
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EDA_DRAW_PANEL* m_DrawPanel; // the EDA_DRAW_PANEL used to draw a PAD ; can be null
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GR_DRAWMODE m_DrawMode; // the draw mode
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EDA_COLOR_T m_Color; // color used to draw the pad shape , from pad layers and
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// visible layers
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EDA_COLOR_T m_HoleColor; // color used to draw the pad hole
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EDA_COLOR_T m_NPHoleColor; // color used to draw a pad Not Plated hole
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int m_PadClearance; // clearance value, used to draw the pad area outlines
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wxSize m_Mask_margin; // margin, used to draw solder paste when only one layer is shown
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bool m_Display_padnum; // true to show pad number
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bool m_Display_netname; // true to show net name
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bool m_ShowPadFilled; // true to show pad as solid area, false to show pas in
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// sketch mode
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bool m_ShowNCMark; // true to show pad not connected mark
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bool m_ShowNotPlatedHole; // true when the pad hole in not plated, to draw a specific
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// pad shape
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bool m_IsPrinting; // true to print, false to display on screen.
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wxPoint m_Offset; // general draw offset
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PAD_DRAWINFO();
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};
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class D_PAD : public BOARD_CONNECTED_ITEM
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{
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public:
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static int m_PadSketchModePenSize; ///< Pen size used to draw pads in sketch mode
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///< (mode used to print pads on silkscreen layer)
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public:
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D_PAD( MODULE* parent );
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// Do not create a copy constructor. The one generated by the compiler is adequate.
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// D_PAD( const D_PAD& o );
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/* Default layers used for pads, according to the pad type.
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* this is default values only, they can be changed for a given pad
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*/
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static LSET StandardMask(); ///< layer set for a through hole pad
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static LSET SMDMask(); ///< layer set for a SMD pad on Front layer
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static LSET ConnSMDMask(); ///< layer set for a SMD pad on Front layer
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///< used for edge board connectors
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static LSET UnplatedHoleMask(); ///< layer set for a mechanical unplated through hole pad
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void Copy( D_PAD* source );
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D_PAD* Next() const { return static_cast<D_PAD*>( Pnext ); }
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MODULE* GetParent() const { return (MODULE*) m_Parent; }
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void SetPadName( const wxString& name ); // Change pad name
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const wxString GetPadName() const;
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bool PadNameEqual( const D_PAD* other ) const
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{
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return m_NumPadName == other->m_NumPadName; // hide tricks behind sensible API
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}
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/**
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* Function GetShape
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* @return the shape of this pad.
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*/
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PAD_SHAPE_T GetShape() const { return m_padShape; }
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void SetShape( PAD_SHAPE_T aShape ) { m_padShape = aShape; m_boundingRadius = -1; }
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void SetPosition( const wxPoint& aPos ) { m_Pos = aPos; } // was overload
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const wxPoint& GetPosition() const { return m_Pos; } // was overload
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void SetY( int y ) { m_Pos.y = y; }
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void SetX( int x ) { m_Pos.x = x; }
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void SetPos0( const wxPoint& aPos ) { m_Pos0 = aPos; }
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const wxPoint& GetPos0() const { return m_Pos0; }
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void SetY0( int y ) { m_Pos0.y = y; }
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void SetX0( int x ) { m_Pos0.x = x; }
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void SetSize( const wxSize& aSize ) { m_Size = aSize; m_boundingRadius = -1; }
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const wxSize& GetSize() const { return m_Size; }
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void SetDelta( const wxSize& aSize ) { m_DeltaSize = aSize; m_boundingRadius = -1; }
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const wxSize& GetDelta() const { return m_DeltaSize; }
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void SetDrillSize( const wxSize& aSize ) { m_Drill = aSize; }
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const wxSize& GetDrillSize() const { return m_Drill; }
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void SetOffset( const wxPoint& aOffset ) { m_Offset = aOffset; }
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const wxPoint& GetOffset() const { return m_Offset; }
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void Flip( const wxPoint& aCentre ); // Virtual function
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/**
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* Function SetOrientation
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* sets the rotation angle of the pad.
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* @param aAngle is tenths of degrees, but will soon be degrees. If it is
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* outside of 0 - 3600, then it will be normalized before being saved.
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*/
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void SetOrientation( double aAngle );
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/**
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* Function GetOrientation
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* returns the rotation angle of the pad in tenths of degrees, but soon degrees.
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*/
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double GetOrientation() const { return m_Orient; }
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void SetDrillShape( PAD_DRILL_SHAPE_T aDrillShape )
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{ m_drillShape = aDrillShape; }
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PAD_DRILL_SHAPE_T GetDrillShape() const { return m_drillShape; }
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/**
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* Function GetOblongDrillGeometry calculates the start point, end point and width
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* of an equivalent segment which have the same position and width as the hole
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* Usefull to plot/draw oblong holes like segments with rounded ends
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* used in draw and plot functions
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* @param aStartPoint = first point of the equivalent segment, relative to the pad position.
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* @param aEndPoint = second point of the equivalent segment, relative to the pad position.
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* @param aWidth = width equivalent segment.
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*/
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void GetOblongDrillGeometry( wxPoint& aStartPoint, wxPoint& aEndPoint, int& aWidth ) const;
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void SetLayerSet( LSET aLayerMask ) { m_layerMask = aLayerMask; }
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LSET GetLayerSet() const { return m_layerMask; }
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void SetAttribute( PAD_ATTR_T aAttribute );
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PAD_ATTR_T GetAttribute() const { return m_Attribute; }
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void SetPadToDieLength( int aLength ) { m_LengthPadToDie = aLength; }
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int GetPadToDieLength() const { return m_LengthPadToDie; }
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int GetLocalSolderMaskMargin() const { return m_LocalSolderMaskMargin; }
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void SetLocalSolderMaskMargin( int aMargin ) { m_LocalSolderMaskMargin = aMargin; }
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int GetLocalClearance() const { return m_LocalClearance; }
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void SetLocalClearance( int aClearance ) { m_LocalClearance = aClearance; }
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int GetLocalSolderPasteMargin() const { return m_LocalSolderPasteMargin; }
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void SetLocalSolderPasteMargin( int aMargin ) { m_LocalSolderPasteMargin = aMargin; }
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double GetLocalSolderPasteMarginRatio() const { return m_LocalSolderPasteMarginRatio; }
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void SetLocalSolderPasteMarginRatio( double aRatio ) { m_LocalSolderPasteMarginRatio = aRatio; }
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/**
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* Function TransformShapeWithClearanceToPolygon
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* Convert the pad shape to a closed polygon
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* Used in filling zones calculations
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* Circles and arcs are approximated by segments
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* @param aCornerBuffer = a buffer to store the polygon
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* @param aClearanceValue = the clearance around the pad
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* @param aCircleToSegmentsCount = the number of segments to approximate a circle
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* @param aCorrectionFactor = the correction to apply to circles radius to keep
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* clearance when the circle is approximated by segment bigger or equal
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* to the real clearance value (usually near from 1.0)
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*/
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void TransformShapeWithClearanceToPolygon( CPOLYGONS_LIST& aCornerBuffer,
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int aClearanceValue,
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int aCircleToSegmentsCount,
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double aCorrectionFactor ) const;;
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/**
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* Function GetClearance
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* returns the clearance in internal units. If \a aItem is not NULL then the
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* returned clearance is the greater of this object's clearance and
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* aItem's clearance. If \a aItem is NULL, then this objects clearance
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* is returned.
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* @param aItem is another BOARD_CONNECTED_ITEM or NULL
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* @return int - the clearance in internal units.
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*/
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int GetClearance( BOARD_CONNECTED_ITEM* aItem = NULL ) const;
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// Mask margins handling:
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/**
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* Function GetSolderMaskMargin
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* @return the margin for the solder mask layer
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* usually > 0 (mask shape bigger than pad
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* value is
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* 1 - the local value
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* 2 - if null, the parent footprint value
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* 1 - if null, the global value
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*/
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int GetSolderMaskMargin() const;
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/**
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* Function GetSolderPasteMargin
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* @return the margin for the solder mask layer
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* usually < 0 (mask shape smaller than pad
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* because the margin can be dependent on the pad size, the margin has a x and a y value
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* value is
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* 1 - the local value
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* 2 - if null, the parent footprint value
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* 1 - if null, the global value
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*/
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wxSize GetSolderPasteMargin() const;
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void SetZoneConnection( ZoneConnection aType ) { m_ZoneConnection = aType; }
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ZoneConnection GetZoneConnection() const;
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void SetThermalWidth( int aWidth ) { m_ThermalWidth = aWidth; }
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int GetThermalWidth() const;
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void SetThermalGap( int aGap ) { m_ThermalGap = aGap; }
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int GetThermalGap() const;
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/* drawing functions */
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void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
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GR_DRAWMODE aDrawMode, const wxPoint& aOffset = ZeroOffset );
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/**
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* Function DrawShape
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* basic function to draw a pad.
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* <p>
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* This function is used by Draw after calculation of parameters (color, ) final
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* orientation transforms are set. It can also be called to draw a pad on any panel
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* even if this panel is not a EDA_DRAW_PANEL for instance on a wxPanel inside the
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* pad editor.
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* </p>
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*/
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void DrawShape( EDA_RECT* aClipBox, wxDC* aDC, PAD_DRAWINFO& aDrawInfo );
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/**
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* Function BuildPadPolygon
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* Has meaning only for polygonal pads (trapezoid and rectangular)
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* Build the Corner list of the polygonal shape,
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* depending on shape, extra size (clearance ...) and orientation
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* @param aCoord = a buffer to fill (4 corners).
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* @param aInflateValue = wxSize: the clearance or margin value. value > 0:
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* inflate, < 0 deflate
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* @param aRotation = full rotation of the polygon
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*/
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void BuildPadPolygon( wxPoint aCoord[4], wxSize aInflateValue, double aRotation ) const;
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/**
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* Function BuildPadShapePolygon
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* Build the Corner list of the polygonal shape,
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* depending on shape, extra size (clearance ...) pad and orientation
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* This function is similar to TransformShapeWithClearanceToPolygon,
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* but the difference is BuildPadShapePolygon creates a polygon shape exactly
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* similar to pad shape, which a size inflated by aInflateValue
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* and TransformShapeWithClearanceToPolygon creates a more complex shape (for instance
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* a rectangular pad is converted in a rectangulr shape with ronded corners)
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* @param aCornerBuffer = a buffer to fill.
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* @param aInflateValue = the clearance or margin value.
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* value > 0: inflate, < 0 deflate, = 0 : no change
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* the clearance can have different values for x and y directions
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* (relative to the pad)
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* @param aSegmentsPerCircle = number of segments to approximate a circle
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* (used for round and oblong shapes only (16 to 32 is a good value)
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* @param aCorrectionFactor = the correction to apply to circles radius to keep
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* the pad size when the circle is approximated by segments
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*/
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void BuildPadShapePolygon( CPOLYGONS_LIST& aCornerBuffer,
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wxSize aInflateValue, int aSegmentsPerCircle,
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double aCorrectionFactor ) const;
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/**
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* Function BuildPadDrillShapePolygon
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* Build the Corner list of the polygonal drill shape,
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* depending on shape pad hole and orientation
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* @param aCornerBuffer = a buffer to fill.
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* @param aInflateValue = the clearance or margin value.
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* value > 0: inflate, < 0 deflate, = 0 : no change
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* @param aSegmentsPerCircle = number of segments to approximate a circle
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* (used for round and oblong shapes only(16 to 32 is a good value)
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* @return false if the pad has no hole, true otherwise
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*/
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bool BuildPadDrillShapePolygon( CPOLYGONS_LIST& aCornerBuffer,
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int aInflateValue, int aSegmentsPerCircle ) const;
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/**
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* Function BuildSegmentFromOvalShape
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* Has meaning only for OVAL (and ROUND) pads
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* Build an equivalent segment having the same shape as the OVAL shape,
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* Useful in draw function and in DRC and HitTest functions,
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* because segments are already well handled by track tests
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* @param aSegStart = the starting point of the equivalent segment relative to the shape
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* position.
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* @param aSegEnd = the ending point of the equivalent segment, relative to the shape position
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* @param aRotation = full rotation of the segment
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* @param aRotation = full rotation of the segment
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* @param aMargin = a margin around the shape (for instance mask margin)
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* @return the width of the segment
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*/
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int BuildSegmentFromOvalShape( wxPoint& aSegStart, wxPoint& aSegEnd,
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double aRotation, const wxSize& aMargin ) const;
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void StringPadName( wxString& text ) const; // Return pad name as string in a buffer
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/**
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* Function GetBoundingRadius
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* returns the radius of a minimum sized circle which fully encloses this pad.
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*/
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int GetBoundingRadius() const
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{
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// Any member function which would affect this calculation should set
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// m_boundingRadius to -1 to re-trigger the calculation from here.
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// Currently that is only m_Size, m_DeltaSize, and m_padShape accessors.
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if( m_boundingRadius == -1 )
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{
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m_boundingRadius = boundingRadius();
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}
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return m_boundingRadius;
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}
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const wxPoint ShapePos() const;
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/**
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* Function GetSubRatsnest
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* @return int - the netcode
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*/
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int GetSubRatsnest() const { return m_SubRatsnest; }
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void SetSubRatsnest( int aSubRatsnest ) { m_SubRatsnest = aSubRatsnest; }
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void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList );
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bool IsOnLayer( LAYER_ID aLayer ) const
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{
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return m_layerMask[aLayer];
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}
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bool HitTest( const wxPoint& aPosition ) const;
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wxString GetClass() const
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{
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return wxT( "PAD" );
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}
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// Virtual function:
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const EDA_RECT GetBoundingBox() const;
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/**
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* Function Compare
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* compares two pads and return 0 if they are equal.
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* @return int - <0 if left less than right, 0 if equal, >0 if left greater than right.
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*/
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static int Compare( const D_PAD* padref, const D_PAD* padcmp );
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void Move( const wxPoint& aMoveVector )
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{
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m_Pos += aMoveVector;
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}
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wxString GetSelectMenuText() const;
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BITMAP_DEF GetMenuImage() const { return pad_xpm; }
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/**
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* Function ShowPadShape
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* @return the name of the shape
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*/
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wxString ShowPadShape() const;
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/**
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* Function ShowPadAttr
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* @return the name of the pad type (attribute) : STD, SMD ...
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*/
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wxString ShowPadAttr() const;
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/**
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* Function AppendConfigs
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* appends to @a aResult the configuration setting accessors which will later
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* allow reading or writing of configuration file information directly into
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* this object.
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*/
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void AppendConfigs( PARAM_CFG_ARRAY* aResult );
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EDA_ITEM* Clone() const;
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/**
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* same as Clone, but returns a D_PAD item.
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* Useful mainly for pythons scripts, because Clone (virtual function)
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* returns an EDA_ITEM.
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*/
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D_PAD* Duplicate() const
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{
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return (D_PAD*) Clone();
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}
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/// @copydoc VIEW_ITEM::ViewGetLayers()
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virtual void ViewGetLayers( int aLayers[], int& aCount ) const;
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/// @copydoc VIEW_ITEM::ViewGetLOD()
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virtual unsigned int ViewGetLOD( int aLayer ) const;
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/// @copydoc VIEW_ITEM::ViewBBox()
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virtual const BOX2I ViewBBox() const;
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/**
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* Function CopyNetlistSettings
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* copies the netlist settings to \a aPad.
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*
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* The netlist settings are all of the #D_PAD settings not define by a #D_PAD in
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* a netlist. These setting include local clearances, net names, etc. The pad
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* physical geometry settings are not copied.
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*
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* @param aPad is the #D_PAD to copy the settings to.
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*/
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void CopyNetlistSettings( D_PAD* aPad );
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#if defined(DEBUG)
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virtual void Show( int nestLevel, std::ostream& os ) const { ShowDummy( os ); } // override
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#endif
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private:
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/**
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* Function boundingRadius
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* returns a calculated radius of a bounding circle for this pad.
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*/
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int boundingRadius() const;
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// Actually computed and cached on demand by the accessor
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mutable int m_boundingRadius; ///< radius of the circle containing the pad shape
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/// Pad name (4 char) or a long identifier (used in pad name
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/// comparisons because this is faster than string comparison)
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union
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{
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#define PADNAMEZ 4
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char m_Padname[PADNAMEZ]; // zero padded at end to full size
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wxUint32 m_NumPadName; // same number of bytes as m_Padname[]
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};
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wxPoint m_Pos; ///< pad Position on board
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PAD_SHAPE_T m_padShape; ///< Shape: PAD_CIRCLE, PAD_RECT, PAD_OVAL, PAD_TRAPEZOID
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int m_SubRatsnest; ///< variable used in rats nest computations
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///< handle subnet (block) number in ratsnest connection
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wxSize m_Drill; ///< Drill diam (drill shape = PAD_CIRCLE) or drill size
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///< (shape = OVAL) for drill shape = PAD_CIRCLE, drill
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///< diam = m_Drill.x
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wxSize m_Size; ///< X and Y size ( relative to orient 0)
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PAD_DRILL_SHAPE_T m_drillShape; ///< PAD_DRILL_NONE, PAD_DRILL_CIRCLE, PAD_DRILL_OBLONG
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/**
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* m_Offset is useful only for oblong pads (it can be used for other
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* shapes, but without any interest).
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* This is the offset between the pad hole and the pad shape (you must
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* understand here pad shape = copper area around the hole)
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* Most of cases, the hole is the center of the shape (m_Offset = 0).
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* But some board designers use oblong pads with a hole moved to one of the
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* oblong pad shape ends.
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* In all cases the pad position is the pad hole.
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* The physical shape position (used to draw it for instance) is pad
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* position (m_Pos) + m_Offset.
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* D_PAD::ShapePos() returns the physical shape position according to
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* the offset and the pad rotation.
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*/
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wxPoint m_Offset;
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LSET m_layerMask; ///< Bitwise layer :1= copper layer, 15= cmp,
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///< 2..14 = internal layers
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///< 16 .. 31 = technical layers
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wxSize m_DeltaSize; ///< delta on rectangular shapes
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wxPoint m_Pos0; ///< Initial Pad position (i.e. pad position relative to the
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///< module anchor, orientation 0)
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PAD_ATTR_T m_Attribute; ///< NORMAL, PAD_SMD, PAD_CONN, PAD_HOLE_NOT_PLATED
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double m_Orient; ///< in 1/10 degrees
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int m_LengthPadToDie; ///< Length net from pad to die, inside the package
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/// Local clearance. When null, the module default value is used.
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/// when the module default value is null, the netclass value is used
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/// Usually the local clearance is null
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int m_LocalClearance;
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// Local mask margins: when 0, the parent footprint design values are used
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int m_LocalSolderMaskMargin; ///< Local solder mask margin
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int m_LocalSolderPasteMargin; ///< Local solder paste margin absolute value
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double m_LocalSolderPasteMarginRatio; ///< Local solder mask margin ratio value of pad size
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///< The final margin is the sum of these 2 values
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ZoneConnection m_ZoneConnection;
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int m_ThermalWidth;
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int m_ThermalGap;
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};
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#endif // PAD_H_
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