430 lines
16 KiB
C++
430 lines
16 KiB
C++
/**
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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 "pad_shapes.h"
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#include "PolyLine.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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/* 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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// PAD_STANDARD:
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#define PAD_STANDARD_DEFAULT_LAYERS ALL_CU_LAYERS | SILKSCREEN_LAYER_FRONT | \
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SOLDERMASK_LAYER_BACK | SOLDERMASK_LAYER_FRONT
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// PAD_CONN:
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#define PAD_CONN_DEFAULT_LAYERS LAYER_FRONT | SOLDERPASTE_LAYER_FRONT | SOLDERMASK_LAYER_FRONT
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// PAD_SMD:
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#define PAD_SMD_DEFAULT_LAYERS LAYER_FRONT | SOLDERMASK_LAYER_FRONT
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//PAD_HOLE_NOT_PLATED:
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#define PAD_HOLE_NOT_PLATED_DEFAULT_LAYERS ALL_CU_LAYERS | SILKSCREEN_LAYER_FRONT | \
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SOLDERMASK_LAYER_BACK | SOLDERMASK_LAYER_FRONT
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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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int m_DrawMode; // the draw mode
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int m_Color; // color used to draw the pad shape , from pad layers and
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// visible layers
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int m_HoleColor; // color used to draw the pad hole
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int 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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private:
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wxString m_Netname; // Full net name like /mysheet/mysubsheet/vout used by Eeschema
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wxString m_ShortNetname; // short net name, like vout from /mysheet/mysubsheet/vout
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public:
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wxPoint m_Pos; // pad Position on board
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union
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{
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unsigned long m_NumPadName;
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char m_Padname[4]; /* 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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*/
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};
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int 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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int m_PadShape; // Shape: PAD_CIRCLE, PAD_RECT, PAD_OVAL, PAD_TRAPEZOID
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int m_DrillShape; // Shape PAD_CIRCLE, PAD_OVAL
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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_Offset; /* This parameter 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::ReturnShapePos() returns the physical shape position according to
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* the offset and the pad rotation.*/
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wxSize m_Size; // X and Y size ( relative to orient 0)
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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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int m_ShapeMaxRadius; // radius of the circle containing the pad shape
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int m_Attribut; // NORMAL, PAD_SMD, PAD_CONN, PAD_HOLE_NOT_PLATED
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int m_Orient; // in 1/10 degrees
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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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int m_LengthDie; // Length net from pad to die on chip
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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 NULL, 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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std::vector<TRACK*> m_TracksConnected; // list of other tracks connected to me
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private:
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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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public:
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D_PAD( MODULE* parent );
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D_PAD( D_PAD* pad );
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~D_PAD();
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void Copy( D_PAD* source );
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D_PAD* Next() { return (D_PAD*) Pnext; }
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/**
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* Function GetNetname
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* @return const wxString * , a pointer to the full netname
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*/
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wxString GetNetname() const { return m_Netname; }
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/**
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* Function GetShortNetname
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* @return const wxString * , a pointer to the short netname
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*/
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wxString GetShortNetname() const { return m_ShortNetname; }
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/**
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* Function SetNetname
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* @param aNetname: the new netname
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*/
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void SetNetname( const wxString& aNetname );
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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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int GetShape() const { return m_PadShape & 0xFF; }
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void SetShape( int aShape ) { m_PadShape = aShape; }
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const wxPoint GetPosition() const // overload
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{
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return m_Pos;
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}
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void SetPosition( const wxPoint& aPos ) { m_Pos = aPos; } // overload
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void SetPos0( const wxPoint& aPos ) { m_Pos0 = aPos; }
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void SetSize( const wxSize& aSize ) { m_Size = aSize; }
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void SetDelta( const wxSize& aSize ) { m_DeltaSize = aSize; }
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void SetDrillSize( const wxSize& aSize ) { m_Drill = aSize; }
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void SetOffset( const wxSize& aOffset ) { m_Offset = aOffset; }
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void SetOrientation( int aAngle ) { m_Orient = aAngle; }
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void SetDrillShape( int aDrillShape ) { m_DrillShape = aDrillShape; }
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void SetLayerMask( int aLayerMask ) { m_layerMask = aLayerMask; }
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void SetAttribute( int aAttribute ) { m_Attribut = aAttribute; }
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void SetDieLength( int aLength ) { m_LengthDie = aLength; }
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void SetSolderMaskMargin( int aLength ) { m_LocalSolderMaskMargin = aLength; }
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void SetSolderPasteMargin( int aLength ) { m_LocalSolderPasteMargin = aLength; }
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void SetSolderPasteRatio( double aRatio ) { m_LocalSolderPasteMarginRatio = aRatio; }
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/// A local override of the Module's clearance
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void SetPadClearance( int aLength ) { m_LocalClearance = aLength; }
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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( std::vector <CPolyPt>& aCornerBuffer,
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int aClearanceValue,
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int aCircleToSegmentsCount,
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double aCorrectionFactor );
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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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virtual 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();
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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();
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/* Reading and writing data on files */
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int ReadDescr( LINE_READER* aReader );
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/**
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* Function Save
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* writes the data structures for this object out to a FILE in "*.brd" format.
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* @param aFile The FILE to write to.
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* @return bool - true if success writing else false.
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*/
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bool Save( FILE* aFile ) const;
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/* drawing functions */
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/**
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* Draw a pad:
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* @param aPanel = the EDA_DRAW_PANEL panel
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* @param aDC = the current device context
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* @param aDrawMode = mode: GR_OR, GR_XOR, GR_AND...
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* @param aOffset = draw offset
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*/
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void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
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int aDrawMode, const wxPoint& aOffset = ZeroOffset );
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void Draw3D( EDA_3D_CANVAS* glcanvas );
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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, int aRotation ) 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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* @return the width of the segment
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*/
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int BuildSegmentFromOvalShape( wxPoint& aSegStart, wxPoint& aSegEnd, int aRotation ) const;
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// others
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void SetPadName( const wxString& name ); // Change pad name
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wxString ReturnStringPadName() const; // Return pad name as string in a wxString
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void ReturnStringPadName( wxString& text ) const; // Return pad name as string in a buffer
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void ComputeShapeMaxRadius(); // compute radius
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int GetMaxRadius() const;
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const wxPoint ReturnShapePos();
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/**
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* Function GetNet
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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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/**
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* Function DisplayInfo
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* has knowledge about the frame and how and where to put status information
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* about this object into the frame's message panel.
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* Is virtual from EDA_ITEM.
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* @param frame A EDA_DRAW_FRAME in which to print status information.
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*/
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void DisplayInfo( EDA_DRAW_FRAME* frame );
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/**
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* Function IsOnLayer
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* tests to see if this object is on the given layer. Is virtual so
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* objects like D_PAD, which reside on multiple layers can do their own
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* form of testing.
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* @param aLayer The layer to test for.
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* @return bool - true if on given layer, else false.
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*/
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bool IsOnLayer( int aLayer ) const;
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/**
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* Function HitTest
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* tests if the given wxPoint is within the bounds of this object.
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* @param refPos A wxPoint to test
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* @return bool - true if a hit, else false
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*/
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bool HitTest( const wxPoint& refPos );
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/**
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* Function GetClass
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* returns the class name.
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* @return wxString
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*/
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virtual wxString GetClass() const
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{
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return wxT( "PAD" );
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}
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/**
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* Function GetBoundingBox
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* returns the bounding box of this pad
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* Mainly used to redraw the screen area occupied by the pad
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*/
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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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/**
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* Function Move
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* move this object.
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* @param aMoveVector - the move vector for this object.
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*/
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virtual void Move( const wxPoint& aMoveVector )
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{
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m_Pos += aMoveVector;
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}
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virtual wxString GetSelectMenuText() const;
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virtual 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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#if defined(DEBUG)
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/**
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* Function Show
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* is used to output the object tree, currently for debugging only.
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* @param nestLevel An aid to prettier tree indenting, and is the level
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* of nesting of this object within the overall tree.
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* @param os The ostream& to output to.
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*/
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virtual void Show( int nestLevel, std::ostream& os );
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#endif
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};
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#endif // _PAD_H_
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