/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wanadoo.fr * Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, you may find one here: * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * or you may search the http://www.gnu.org website for the version 2 license, * or you may write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ /** * @file class_pad.h * @brief Pad object description */ #ifndef PAD_H_ #define PAD_H_ #include "zones.h" #include #include #include #include #include #include #include class DRAWSEGMENT; class PARAM_CFG; class SHAPE; class SHAPE_SEGMENT; enum CUST_PAD_SHAPE_IN_ZONE { CUST_PAD_SHAPE_IN_ZONE_OUTLINE, CUST_PAD_SHAPE_IN_ZONE_CONVEXHULL }; class LINE_READER; class EDA_3D_CANVAS; class MODULE; class EDGE_MODULE; class TRACK; namespace KIGFX { class VIEW; } class D_PAD : public BOARD_CONNECTED_ITEM { public: D_PAD( MODULE* parent ); // Copy constructor & operator= are needed because the list of basic shapes // must be duplicated in copy. D_PAD( const D_PAD& aPad ); D_PAD& operator=( const D_PAD &aOther ); /* * Default layers used for pads, according to the pad type. * this is default values only, they can be changed for a given pad */ static LSET StandardMask(); ///< layer set for a through hole pad static LSET SMDMask(); ///< layer set for a SMD pad on Front layer static LSET ConnSMDMask(); ///< layer set for a SMD pad on Front layer ///< used for edge board connectors static LSET UnplatedHoleMask(); ///< layer set for a mechanical unplated through hole pad static LSET ApertureMask(); ///< layer set for an aperture pad static inline bool ClassOf( const EDA_ITEM* aItem ) { return aItem && PCB_PAD_T == aItem->Type(); } bool IsType( const KICAD_T aScanTypes[] ) const override { if( BOARD_CONNECTED_ITEM::IsType( aScanTypes ) ) return true; for( const KICAD_T* p = aScanTypes; *p != EOT; ++p ) { if( m_drill.x > 0 && m_drill.y > 0 ) { if( *p == PCB_LOCATE_HOLE_T ) return true; else if( *p == PCB_LOCATE_PTH_T && m_attribute != PAD_ATTRIB_HOLE_NOT_PLATED ) return true; else if( *p == PCB_LOCATE_NPTH_T && m_attribute == PAD_ATTRIB_HOLE_NOT_PLATED ) return true; } } return false; } MODULE* GetParent() const { return (MODULE*) m_Parent; } /** * Imports the pad settings from aMasterPad. * The result is "this" has the same settinds (sizes, shapes ... ) * as aMasterPad * @param aMasterPad = the template pad */ void ImportSettingsFrom( const D_PAD& aMasterPad ); /** * @return true if the pad has a footprint parent flipped * (on the back/bottom layer) */ bool IsFlipped() const; /** * Set the pad name (sometimes called pad number, although * it can be an array reference like AA12). */ void SetName( const wxString& aName ) { m_name = aName; } const wxString& GetName() const { return m_name; } /** * Set the pad function (pin name in schematic) */ void SetPinFunction( const wxString& aName ) { m_pinFunction = aName; } const wxString& GetPinFunction() const { return m_pinFunction; } bool PadNameEqual( const D_PAD* other ) const { return m_name == other->m_name; // hide tricks behind sensible API } /** * Set the new shape of this pad. */ void SetShape( PAD_SHAPE_T aShape ) { m_padShape = aShape; m_shapesDirty = true; } /** * @return the shape of this pad. */ PAD_SHAPE_T GetShape() const { return m_padShape; } void SetPosition( const wxPoint& aPos ) override { m_pos = aPos; m_shapesDirty = true; } wxPoint GetPosition() const override { return m_pos; } /** * Function GetAnchorPadShape * @return the shape of the anchor pad shape, for custom shaped pads. */ PAD_SHAPE_T GetAnchorPadShape() const { return m_anchorPadShape; } /** * @return the option for the custom pad shape to use as clearance area * in copper zones */ CUST_PAD_SHAPE_IN_ZONE GetCustomShapeInZoneOpt() const { return m_customShapeClearanceArea; } /** * Set the option for the custom pad shape to use as clearance area * in copper zones * @param aOption is the clearance area shape CUST_PAD_SHAPE_IN_ZONE option */ void SetCustomShapeInZoneOpt( CUST_PAD_SHAPE_IN_ZONE aOption ) { m_customShapeClearanceArea = aOption; } /** * Function SetAnchorPadShape * Set the shape of the anchor pad for custm shped pads. * @param the shape of the anchor pad shape( currently, only * PAD_SHAPE_RECT or PAD_SHAPE_CIRCLE. */ void SetAnchorPadShape( PAD_SHAPE_T aShape ) { m_anchorPadShape = ( aShape == PAD_SHAPE_RECT ) ? PAD_SHAPE_RECT : PAD_SHAPE_CIRCLE; m_shapesDirty = true; } /** * @return true if the pad is on any copper layer, false otherwise. * pads can be only on tech layers to build special pads. * they are therefore not always on a copper layer */ bool IsOnCopperLayer() const override { return ( GetLayerSet() & LSET::AllCuMask() ) != 0; } void SetY( int y ) { m_pos.y = y; m_shapesDirty = true; } void SetX( int x ) { m_pos.x = x; m_shapesDirty = true; } void SetPos0( const wxPoint& aPos ) { m_pos0 = aPos; } const wxPoint& GetPos0() const { return m_pos0; } void SetY0( int y ) { m_pos0.y = y; } void SetX0( int x ) { m_pos0.x = x; } void SetSize( const wxSize& aSize ) { m_size = aSize; m_shapesDirty = true; } const wxSize& GetSize() const { return m_size; } void SetDelta( const wxSize& aSize ) { m_deltaSize = aSize; m_shapesDirty = true; } const wxSize& GetDelta() const { return m_deltaSize; } void SetDrillSize( const wxSize& aSize ) { m_drill = aSize; m_shapesDirty = true; } const wxSize& GetDrillSize() const { return m_drill; } void SetOffset( const wxPoint& aOffset ) { m_offset = aOffset; m_shapesDirty = true; } const wxPoint& GetOffset() const { return m_offset; } /** * Has meaning only for custom shape pads. * add a free shape to the shape list. * the shape can be * a polygon (outline can have a thickness) * a thick segment * a filled circle (thickness == 0) or ring * a filled rect (thickness == 0) or rectangular outline * a arc * a bezier curve */ void AddPrimitivePoly( const SHAPE_POLY_SET& aPoly, int aThickness ); void AddPrimitivePoly( const std::vector& aPoly, int aThickness ); void AddPrimitiveSegment( const wxPoint& aStart, const wxPoint& aEnd, int aThickness ); void AddPrimitiveCircle( const wxPoint& aCenter, int aRadius, int aThickness ); void AddPrimitiveRect( const wxPoint& aStart, const wxPoint& aEnd, int aThickness ); void AddPrimitiveArc( const wxPoint& aCenter, const wxPoint& aStart, int aArcAngle, int aThickness ); void AddPrimitiveCurve( const wxPoint& aStart, const wxPoint& aEnd, const wxPoint& aCtrl1, const wxPoint& aCtrl2, int aThickness ); bool GetBestAnchorPosition( VECTOR2I& aPos ); /** * Merge all basic shapes to a SHAPE_POLY_SET * Note: The corners coordinates are relative to the pad position, orientation 0, */ void MergePrimitivesAsPolygon( SHAPE_POLY_SET* aMergedPolygon, PCB_LAYER_ID aLayer ) const; /** * clear the basic shapes list */ void DeletePrimitivesList(); /** * Accessor to the basic shape list */ const std::vector>& GetPrimitives() const { return m_editPrimitives; } void Flip( const wxPoint& aCentre, bool aFlipLeftRight ) override; /** * Flip (mirror) the primitives left to right or top to bottom, around the anchor position * in custom pads */ void FlipPrimitives( bool aFlipLeftRight ); /** * Clear the current primitive list and import a basic shape (primitive) list. * Each item is a duplicate of the initial items in list, * so the initial list in not modified and not managed by this pad */ void ReplacePrimitives( const std::vector>& aPrimitivesList ); /** * Import a basic shape (primitive) list and add items to the current list. * Each item is a duplicate of the initial items in list, * so the initial list in not modified and not managed by this pad */ void AppendPrimitives( const std::vector>& aPrimitivesList ); /** * Add items to the basic shape list */ /** * Add item to the primitive shape list */ void AddPrimitive( DRAWSEGMENT* aPrimitive ); /** * Function SetOrientation * sets the rotation angle of the pad. * @param aAngle is tenths of degrees, but will soon be degrees. If it is * outside of 0 - 3600, then it will be normalized before being saved. */ void SetOrientation( double aAngle ); /** * Set orientation in degrees */ void SetOrientationDegrees( double aOrientation ) { SetOrientation( aOrientation*10.0 ); } /** * Function GetOrientation * returns the rotation angle of the pad in tenths of degrees, but soon degrees. */ double GetOrientation() const { return m_orient; } double GetOrientationDegrees() const { return m_orient/10.0; } double GetOrientationRadians() const { return m_orient*M_PI/1800; } void SetDrillShape( PAD_DRILL_SHAPE_T aShape ) { m_drillShape = aShape; m_shapesDirty = true; } PAD_DRILL_SHAPE_T GetDrillShape() const { return m_drillShape; } bool IsDirty() const { return m_shapesDirty; } void SetLayerSet( LSET aLayers ) override { m_layerMask = aLayers; } LSET GetLayerSet() const override { return m_layerMask; } void SetAttribute( PAD_ATTR_T aAttribute ); PAD_ATTR_T GetAttribute() const { return m_attribute; } void SetProperty( PAD_PROP_T aProperty ); PAD_PROP_T GetProperty() const { return m_property; } // We don't currently have an attribute for APERTURE, and adding one will change the file // format, so for now just infer a copper-less pad to be an APERTURE pad. bool IsAperturePad() const { return ( m_layerMask & LSET::AllCuMask() ).none(); } void SetPadToDieLength( int aLength ) { m_lengthPadToDie = aLength; } int GetPadToDieLength() const { return m_lengthPadToDie; } int GetLocalSolderMaskMargin() const { return m_localSolderMaskMargin; } void SetLocalSolderMaskMargin( int aMargin ) { m_localSolderMaskMargin = aMargin; } int GetLocalClearance( wxString* aSource ) const override; int GetLocalClearance() const { return m_localClearance; } void SetLocalClearance( int aClearance ) { m_localClearance = aClearance; } int GetLocalSolderPasteMargin() const { return m_localSolderPasteMargin; } void SetLocalSolderPasteMargin( int aMargin ) { m_localSolderPasteMargin = aMargin; } double GetLocalSolderPasteMarginRatio() const { return m_localSolderPasteMarginRatio; } void SetLocalSolderPasteMarginRatio( double aRatio ) { m_localSolderPasteMarginRatio = aRatio; } /** * Function TransformShapeWithClearanceToPolygon * Convert the pad shape to a closed polygon. Circles and arcs are approximated by segments. * @param aCornerBuffer = a buffer to store the polygon * @param aClearanceValue = the clearance around the pad * @param aMaxError = maximum error from true when converting arcs * @param ignoreLineWidth = used for edge cuts where the line width is only for visualization */ void TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer, PCB_LAYER_ID aLayer, int aClearanceValue, int aMaxError = ARC_HIGH_DEF, bool ignoreLineWidth = false ) const override; /** * Function TransformHoleWithClearanceToPolygon * Build the Corner list of the polygonal drill shape in the board coordinate system. * @param aCornerBuffer = a buffer to fill. * @param aInflateValue = the clearance or margin value. * @param aError = maximum deviation of an arc from the polygon approximation * @return false if the pad has no hole, true otherwise */ bool TransformHoleWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer, int aInflateValue, int aError = ARC_HIGH_DEF ) const; // @copydoc BOARD_ITEM::GetEffectiveShape virtual std::shared_ptr GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER ) const override; const std::vector>& GetEffectiveShapes( PCB_LAYER_ID = UNDEFINED_LAYER ) const; const std::shared_ptr& GetEffectivePolygon( PCB_LAYER_ID = UNDEFINED_LAYER ) const; /** * Function GetEffectiveHoleShape * Returns a list of SHAPE objects representing the pad's hole. */ const SHAPE_SEGMENT* GetEffectiveHoleShape() const; /** * Function GetBoundingRadius * returns the radius of a minimum sized circle which fully encloses this pad. * The center is the pad position NOT THE SHAPE POS! */ int GetBoundingRadius() const; /** * Function GetLocalClearanceOverrides * returns any local clearance overrides set in the "classic" (ie: pre-rule) system. * @param aSource [out] optionally reports the source as a user-readable string * @return int - the clearance in internal units. */ int GetLocalClearanceOverrides( wxString* aSource ) const override; // Mask margins handling: /** * Function GetSolderMaskMargin * @return the margin for the solder mask layer * usually > 0 (mask shape bigger than pad) * For pads also on copper layers, the value (used to build a default shape) is * 1 - the local value * 2 - if 0, the parent footprint value * 3 - if 0, the global value * For pads NOT on copper layers, the value is the local value because there is no default * shape to build */ int GetSolderMaskMargin() const; /** * Function GetSolderPasteMargin * @return the margin for the solder mask layer * usually < 0 (mask shape smaller than pad) * because the margin can be dependent on the pad size, the margin has a x and a y value * * For pads also on copper layers, the value (used to build a default shape) is * 1 - the local value * 2 - if 0, the parent footprint value * 3 - if 0, the global value * * For pads NOT on copper layers, the value is the local value because there is * no default shape to build */ wxSize GetSolderPasteMargin() const; void SetZoneConnection( ZONE_CONNECTION aType ) { m_zoneConnection = aType; } ZONE_CONNECTION GetZoneConnection() const { return m_zoneConnection; } /** * Return the zone connection in effect (either locally overridden or overridden in the * parent module). */ ZONE_CONNECTION GetEffectiveZoneConnection() const; /** * Set the width of the thermal spokes connecting the pad to a zone. If != 0 this will * override similar settings in the parent footprint and zone. * @param aWidth */ void SetThermalWidth( int aWidth ) { m_thermalWidth = aWidth; } int GetThermalWidth() const; void SetThermalGap( int aGap ) { m_thermalGap = aGap; } int GetThermalGap() const; /** * Function SetRoundRectCornerRadius * has meaning only for rounded rect pads * @return The radius of the rounded corners for this pad. */ void SetRoundRectCornerRadius( double aRadius ); int GetRoundRectCornerRadius() const; wxPoint ShapePos() const; /** * has meaning only for rounded rect pads * Set the ratio between the smaller X or Y size and the rounded corner radius. * Cannot be > 0.5; the normalized IPC-7351C value is 0.25 */ void SetRoundRectRadiusRatio( double aRadiusScale ); double GetRoundRectRadiusRatio() const { return m_roundedCornerScale; } /** * has meaning only for chamfered rect pads * Set the ratio between the smaller X or Y size and chamfered corner size. * Cannot be < 0.5. */ void SetChamferRectRatio( double aChamferScale ); double GetChamferRectRatio() const { return m_chamferScale; } /** * has meaning only for chamfered rect pads * set the position of the chamfers for orientation 0. * @param aPositions a bit-set of RECT_CHAMFER_POSITIONS */ void SetChamferPositions( int aPositions ) { m_chamferPositions = aPositions; } int GetChamferPositions() const { return m_chamferPositions; } /** * Function GetSubRatsnest * @return int - the netcode */ int GetSubRatsnest() const { return m_subRatsnest; } void SetSubRatsnest( int aSubRatsnest ) { m_subRatsnest = aSubRatsnest; } /** * Sets the unconnected removal property. If true, the copper is removed on zone fill * or when specifically requested when the pad is not connected on a layer. This requires * that there be a through hole. */ void SetRemoveUnconnected( bool aSet ) { m_removeUnconnectedLayer = aSet; } bool GetRemoveUnconnected() const { return m_removeUnconnectedLayer; } /** * Sets whether we keep the top and bottom connections even if they are not connected */ void SetKeepTopBottom( bool aSet ) { m_keepTopBottomLayer = aSet; } bool GetKeepTopBottom() const { return m_keepTopBottomLayer; } void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector& aList ) override; bool IsOnLayer( PCB_LAYER_ID aLayer ) const override { return m_layerMask[aLayer]; } bool IsPadOnLayer( int aLayer ) const; bool IsPadOnLayer( LSET aLayers ) const; bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override; bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override; bool Collide( const SHAPE_SEGMENT* aSeg, int aMinClearance, int* aActual = nullptr ); bool Collide( const D_PAD* aPad, int aMinClearance, int* aActual = nullptr ); wxString GetClass() const override { return wxT( "PAD" ); } /** * Function GetBoundingBox * The bounding box is cached, so this will be efficient most of the time. */ const EDA_RECT GetBoundingBox() const override; ///> Set absolute coordinates. void SetDrawCoord(); //todo: Remove SetLocalCoord along with m_pos ///> Set relative coordinates. void SetLocalCoord(); /** * Function Compare * compares two pads and return 0 if they are equal. * @return int - <0 if left less than right, 0 if equal, >0 if left greater than right. */ static int Compare( const D_PAD* padref, const D_PAD* padcmp ); void Move( const wxPoint& aMoveVector ) override { m_pos += aMoveVector; SetLocalCoord(); m_shapesDirty = true; } void Rotate( const wxPoint& aRotCentre, double aAngle ) override; wxString GetSelectMenuText( EDA_UNITS aUnits ) const override; BITMAP_DEF GetMenuImage() const override; /** * Function ShowPadShape * @return the GUI-appropriate name of the shape */ wxString ShowPadShape() const; /** * Function ShowPadAttr * @return the GUI-appropriate description of the pad type (attribute) : Std, SMD ... */ wxString ShowPadAttr() const; EDA_ITEM* Clone() const override; /** * same as Clone, but returns a D_PAD item. * Useful mainly for python scripts, because Clone returns an EDA_ITEM. */ D_PAD* ClonePad() const { return (D_PAD*) Clone(); } /** * A pad whose hole is the same size as the pad is a NPTH. However, if the user * fails to mark this correctly then the pad will become invisible on the board. * This check allows us to special-case this error-condition. */ bool PadShouldBeNPTH() const; /** * Rebuilds the effective shape cache (and bounding box and radius) for the pad and clears * the dirty bit. */ void BuildEffectiveShapes( PCB_LAYER_ID aLayer ) const; virtual void ViewGetLayers( int aLayers[], int& aCount ) const override; virtual unsigned int ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const override; virtual const BOX2I ViewBBox() const override; virtual void SwapData( BOARD_ITEM* aImage ) override; #if defined(DEBUG) virtual void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); } #endif private: void addPadPrimitivesToPolygon( SHAPE_POLY_SET* aMergedPolygon, PCB_LAYER_ID aLayer, int aError ) const; private: wxString m_name; // Pad name (pin number in schematic) wxString m_pinFunction; // Pin function in schematic wxPoint m_pos; // Pad Position on board PAD_SHAPE_T m_padShape; // Shape: PAD_SHAPE_CIRCLE, PAD_SHAPE_RECT, // PAD_SHAPE_OVAL, PAD_SHAPE_TRAPEZOID, // PAD_SHAPE_ROUNDRECT, PAD_SHAPE_POLYGON /* * Editing definitions of primitives for custom pad shapes. In local coordinates relative * to m_Pos (NOT shapePos) at orient 0. */ std::vector> m_editPrimitives; mutable bool m_shapesDirty; mutable int m_effectiveBoundingRadius; mutable EDA_RECT m_effectiveBoundingBox; mutable std::vector> m_effectiveShapes; mutable std::shared_ptr m_effectiveHoleShape; mutable std::shared_ptr m_effectivePolygon; /* * How to build the custom shape in zone, to create the clearance area: * CUST_PAD_SHAPE_IN_ZONE_OUTLINE = use pad shape * CUST_PAD_SHAPE_IN_ZONE_CONVEXHULL = use the convex hull of the pad shape */ CUST_PAD_SHAPE_IN_ZONE m_customShapeClearanceArea; int m_subRatsnest; // Variable used to handle subnet (block) number in // ratsnest computations wxSize m_drill; // Drill diameter (x == y) or slot dimensions (x != y) wxSize m_size; // X and Y size (relative to orient 0) PAD_DRILL_SHAPE_T m_drillShape; // PAD_DRILL_SHAPE_CIRCLE, PAD_DRILL_SHAPE_OBLONG double m_roundedCornerScale; // Scaling factor of min(width, hieght) to corner // radius, default 0.25 double m_chamferScale; // Scaling factor of min(width, height) to chamfer // size, default 0.25 int m_chamferPositions; // The positions of the chamfers (at orient 0) PAD_SHAPE_T m_anchorPadShape; // For custom shaped pads: shape of pad anchor, // PAD_SHAPE_RECT, PAD_SHAPE_CIRCLE /* * Most of the time the hole is the center of the shape (m_Offset = 0). But some designers * use oblong/rect pads with a hole moved to one of the oblong/rect pad shape ends. * In all cases the hole is at the pad position. This offset is from the hole to the center * of the pad shape (ie: the copper area around the hole). * ShapePos() returns the board shape position according to the offset and the pad rotation. */ wxPoint m_offset; LSET m_layerMask; // Bitwise layer: 1 = copper layer, 15 = cmp, // 2..14 = internal layers, 16..31 = technical layers wxSize m_deltaSize; // Delta for PAD_SHAPE_TRAPEZOID; half the delta squeezes // one end and half expands the other. It is only valid // to have a single axis be non-0. wxPoint m_pos0; // Initial Pad position (i.e. pad position relative to the // module anchor, orientation 0) PAD_ATTR_T m_attribute; // PAD_ATTRIB_NORMAL, PAD_ATTRIB_SMD, PAD_ATTRIB_CONN, // PAD_ATTRIB_HOLE_NOT_PLATED PAD_PROP_T m_property; // Property in fab files (BGA, FIDUCIAL, TESTPOINT, etc.) double m_orient; // in 1/10 degrees int m_lengthPadToDie; // Length net from pad to die, inside the package bool m_removeUnconnectedLayer; // If true, the pad copper is removed for layers that are not connected bool m_keepTopBottomLayer; // When removing unconnected pads, keep the top and bottom pads /* * Pad clearances, margins, etc. exist in a hiearchy. If a given level is specified then * the remaining levels are NOT consulted. * * LEVEL 1: (highest priority) local overrides (pad, footprint, etc.) * LEVEL 2: Rules * LEVEL 3: Accumulated local settings, netclass settings, & board design settings * * These are the LEVEL 1 settings for a pad. */ int m_localClearance; int m_localSolderMaskMargin; // Local solder mask margin int m_localSolderPasteMargin; // Local solder paste margin absolute value double m_localSolderPasteMarginRatio; // Local solder mask margin ratio of pad size // The final margin is the sum of these 2 values ZONE_CONNECTION m_zoneConnection; // No connection, thermal relief, etc. int m_thermalWidth; // Thermal spoke width. int m_thermalGap; }; #endif // PAD_H_