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kicad/pcbnew/footprint.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 1992-2021 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
*/
#ifndef FOOTPRINT_H
#define FOOTPRINT_H
#include <deque>
#include <board_item_container.h>
#include <board_item.h>
#include <collectors.h>
#include <convert_to_biu.h>
#include <layer_ids.h> // ALL_LAYERS definition.
#include <lib_id.h>
#include <list>
#include <zones.h>
#include <convert_drawsegment_list_to_polygon.h>
#include <pcb_item_containers.h>
#include <fp_text.h>
#include <functional>
class LINE_READER;
class EDA_3D_CANVAS;
class PAD;
class BOARD;
class MSG_PANEL_ITEM;
class SHAPE;
namespace KIGFX {
class VIEW;
}
enum INCLUDE_NPTH_T
{
DO_NOT_INCLUDE_NPTH = false,
INCLUDE_NPTH = true
};
/**
* The set of attributes allowed within a FOOTPRINT, using FOOTPRINT::SetAttributes()
* and FOOTPRINT::GetAttributes(). These are to be ORed together when calling
* FOOTPRINT::SetAttributes()
*/
enum FOOTPRINT_ATTR_T
{
FP_THROUGH_HOLE = 0x0001,
FP_SMD = 0x0002,
FP_EXCLUDE_FROM_POS_FILES = 0x0004,
FP_EXCLUDE_FROM_BOM = 0x0008,
FP_BOARD_ONLY = 0x0010 // Footprint has no corresponding symbol
};
class FP_3DMODEL
{
public:
FP_3DMODEL() :
// Initialize with sensible values
m_Scale { 1, 1, 1 },
m_Rotation { 0, 0, 0 },
m_Offset { 0, 0, 0 },
m_Opacity( 1.0 ),
m_Show( true )
{
}
struct VECTOR3D
{
double x, y, z;
};
VECTOR3D m_Scale; ///< 3D model scaling factor (dimensionless)
VECTOR3D m_Rotation; ///< 3D model rotation (degrees)
VECTOR3D m_Offset; ///< 3D model offset (mm)
double m_Opacity;
wxString m_Filename; ///< The 3D shape filename in 3D library
bool m_Show; ///< Include model in rendering
};
class FOOTPRINT : public BOARD_ITEM_CONTAINER
{
public:
FOOTPRINT( BOARD* parent );
FOOTPRINT( const FOOTPRINT& aFootprint );
// Move constructor and operator needed due to std containers inside the footprint
FOOTPRINT( FOOTPRINT&& aFootprint );
~FOOTPRINT();
FOOTPRINT& operator=( const FOOTPRINT& aOther );
FOOTPRINT& operator=( FOOTPRINT&& aOther );
static inline bool ClassOf( const EDA_ITEM* aItem )
{
return aItem && aItem->Type() == PCB_FOOTPRINT_T;
}
///< @copydoc BOARD_ITEM_CONTAINER::Add()
void Add( BOARD_ITEM* aItem, ADD_MODE aMode = ADD_MODE::INSERT ) override;
///< @copydoc BOARD_ITEM_CONTAINER::Remove()
void Remove( BOARD_ITEM* aItem, REMOVE_MODE aMode = REMOVE_MODE::NORMAL ) override;
/**
* Clear (i.e. force the ORPHANED dummy net info) the net info which
* depends on a given board for all pads of the footprint.
*
* This is needed when a footprint is copied between the fp editor and
* the board editor for instance, because net info become fully broken
*/
void ClearAllNets();
/**
* Old footprints do not alway have a valid UUID (some can be set to null uuid)
* However null UUIDs, having a special meaning in editor, create issues when
* editing a footprint
* So all null uuids a re replaced by a valid uuid
* @return true if at least one uuid is changed, false if no change
*/
bool FixUuids();
/**
* Return the bounding box containing pads when the footprint is on the front side,
* orientation 0, position 0,0.
*
* Mainly used in Gerber place file to draw a footprint outline when the courtyard
* is missing or broken.
*
* @return The rectangle containing the pads for the normalized footprint.
*/
EDA_RECT GetFpPadsLocalBbox() const;
/**
* Return a bounding polygon for the shapes and pads in the footprint.
*
* This operation is slower but more accurate than calculating a bounding box.
*/
SHAPE_POLY_SET GetBoundingHull() const;
// Virtual function
const EDA_RECT GetBoundingBox() const override;
const EDA_RECT GetBoundingBox( bool aIncludeText, bool aIncludeInvisibleText ) const;
PADS& Pads() { return m_pads; }
const PADS& Pads() const { return m_pads; }
DRAWINGS& GraphicalItems() { return m_drawings; }
const DRAWINGS& GraphicalItems() const { return m_drawings; }
FP_ZONES& Zones() { return m_fp_zones; }
const FP_ZONES& Zones() const { return m_fp_zones; }
FP_GROUPS& Groups() { return m_fp_groups; }
const FP_GROUPS& Groups() const { return m_fp_groups; }
bool HasThroughHolePads() const;
std::list<FP_3DMODEL>& Models() { return m_3D_Drawings; }
const std::list<FP_3DMODEL>& Models() const { return m_3D_Drawings; }
void SetPosition( const wxPoint& aPos ) override;
wxPoint GetPosition() const override { return m_pos; }
void SetOrientation( double aNewAngle );
void SetOrientationDegrees( double aOrientation ) { SetOrientation( aOrientation * 10.0 ); }
double GetOrientation() const { return m_orient; }
double GetOrientationDegrees() const { return m_orient / 10.0; }
double GetOrientationRadians() const { return m_orient * M_PI / 1800; }
const LIB_ID& GetFPID() const { return m_fpid; }
void SetFPID( const LIB_ID& aFPID ) { m_fpid = aFPID; }
const wxString& GetDescription() const { return m_doc; }
void SetDescription( const wxString& aDoc ) { m_doc = aDoc; }
const wxString& GetKeywords() const { return m_keywords; }
void SetKeywords( const wxString& aKeywords ) { m_keywords = aKeywords; }
const KIID_PATH& GetPath() const { return m_path; }
void SetPath( const KIID_PATH& aPath ) { m_path = aPath; }
int GetLocalSolderMaskMargin() const { return m_localSolderMaskMargin; }
void SetLocalSolderMaskMargin( int aMargin ) { m_localSolderMaskMargin = aMargin; }
int GetLocalClearance() const { return m_localClearance; }
void SetLocalClearance( int aClearance ) { m_localClearance = aClearance; }
int GetLocalClearance( wxString* aSource ) const
{
if( aSource )
*aSource = wxString::Format( _( "footprint %s" ), GetReference() );
return m_localClearance;
}
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; }
void SetZoneConnection( ZONE_CONNECTION aType ) { m_zoneConnection = aType; }
ZONE_CONNECTION GetZoneConnection() const { return m_zoneConnection; }
void SetThermalWidth( int aWidth ) { m_thermalWidth = aWidth; }
int GetThermalWidth() const { return m_thermalWidth; }
void SetThermalGap( int aGap ) { m_thermalGap = aGap; }
int GetThermalGap() const { return m_thermalGap; }
int GetAttributes() const { return m_attributes; }
void SetAttributes( int aAttributes ) { m_attributes = aAttributes; }
void SetFlag( int aFlag ) { m_arflag = aFlag; }
void IncrementFlag() { m_arflag += 1; }
int GetFlag() const { return m_arflag; }
// A bit of a hack until net ties are supported as first class citizens
bool IsNetTie() const
{
return GetKeywords().StartsWith( wxT( "net tie" ) );
}
void Move( const wxPoint& aMoveVector ) override;
void Rotate( const wxPoint& aRotCentre, double aAngle ) override;
void Flip( const wxPoint& aCentre, bool aFlipLeftRight ) override;
/**
* Move the reference point of the footprint.
*
* It looks like a move footprint:
* the footprints elements (pads, outlines, edges .. ) are moved
* However:
* - the footprint position is not modified.
* - the relative (local) coordinates of these items are modified
* (a move footprint does not change these local coordinates,
* but changes the footprint position)
*/
void MoveAnchorPosition( const wxPoint& aMoveVector );
/**
* @return true if the footprint is flipped, i.e. on the back side of the board
*/
bool IsFlipped() const { return GetLayer() == B_Cu; }
/**
* A special IsOnLayer for footprints: return true if the footprint contains only items on the
* given layer, even if that layer is not one of the valid footprint layers F_Cu and B_Cu.
* This allows selection of "graphic" footprints that contain only silkscreen, for example.
*/
bool IsOnLayer( PCB_LAYER_ID aLayer ) const override;
// m_footprintStatus bits:
#define FP_is_LOCKED 0x01 ///< footprint LOCKED: no autoplace allowed
#define FP_is_PLACED 0x02 ///< In autoplace: footprint automatically placed
#define FP_to_PLACE 0x04 ///< In autoplace: footprint waiting for autoplace
#define FP_PADS_are_LOCKED 0x08
bool IsLocked() const override
{
return ( m_fpStatus & FP_is_LOCKED ) != 0;
}
/**
* Set the #MODULE_is_LOCKED bit in the m_ModuleStatus.
*
* @param isLocked true means turn on locked status, else unlock
*/
void SetLocked( bool isLocked ) override
{
if( isLocked )
m_fpStatus |= FP_is_LOCKED;
else
m_fpStatus &= ~FP_is_LOCKED;
}
bool IsPlaced() const { return m_fpStatus & FP_is_PLACED; }
void SetIsPlaced( bool isPlaced )
{
if( isPlaced )
m_fpStatus |= FP_is_PLACED;
else
m_fpStatus &= ~FP_is_PLACED;
}
bool NeedsPlaced() const { return m_fpStatus & FP_to_PLACE; }
void SetNeedsPlaced( bool needsPlaced )
{
if( needsPlaced )
m_fpStatus |= FP_to_PLACE;
else
m_fpStatus &= ~FP_to_PLACE;
}
bool LegacyPadsLocked() const { return m_fpStatus & FP_PADS_are_LOCKED; }
/*
void SetPadsLocked( bool aPadsLocked )
{
if( aPadsLocked )
m_fpStatus |= FP_PADS_are_LOCKED;
else
m_fpStatus &= ~FP_PADS_are_LOCKED;
}
*/
void SetLastEditTime( timestamp_t aTime ) { m_lastEditTime = aTime; }
void SetLastEditTime() { m_lastEditTime = time( nullptr ); }
timestamp_t GetLastEditTime() const { return m_lastEditTime; }
/**
* Generate pads shapes on layer \a aLayer as polygons and adds these polygons to
* \a aCornerBuffer.
*
* Useful to generate a polygonal representation of a footprint in 3D view and plot functions,
* when a full polygonal approach is needed.
*
* @param aLayer is the layer to consider, or #UNDEFINED_LAYER to consider all layers.
* @param aCornerBuffer i the buffer to store polygons.
* @param aClearance is an additional size to add to pad shapes.
* @param aMaxError is the maximum deviation from true for arcs.
* @param aSkipNPTHPadsWihNoCopper if true, do not add a NPTH pad shape, if the shape has
* same size and position as the hole. Usually, these pads are not drawn on copper
* layers, because there is actually no copper
* Due to diff between layers and holes, these pads must be skipped to be sure
* there is no copper left on the board (for instance when creating Gerber Files or
* 3D shapes). Defaults to false.
* @param aSkipPlatedPads is used on 3D-Viewer to extract plated and non-plated pads.
* @param aSkipNonPlatedPads is used on 3D-Viewer to extract plated and plated pads.
*/
void TransformPadsWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
PCB_LAYER_ID aLayer, int aClearance,
int aMaxError, ERROR_LOC aErrorLoc,
bool aSkipNPTHPadsWihNoCopper = false,
bool aSkipPlatedPads = false,
bool aSkipNonPlatedPads = false ) const;
/**
* Generate shapes of graphic items (outlines) on layer \a aLayer as polygons and adds these
* polygons to \a aCornerBuffer.
*
* Useful to generate a polygonal representation of a footprint in 3D view and plot functions,
* when a full polygonal approach is needed.
*
* @param aLayer is the layer to consider, or #UNDEFINED_LAYER to consider all.
* @param aCornerBuffer is the buffer to store polygons.
* @param aClearance is a value to inflate shapes.
* @param aError is the maximum error between true arc and polygon approximation.
* @param aIncludeText set to true to transform text shapes.
* @param aIncludeShapes set to true to transform footprint shapes.
*/
void TransformFPShapesWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
PCB_LAYER_ID aLayer, int aClearance,
int aError, ERROR_LOC aErrorLoc,
bool aIncludeText = true,
bool aIncludeShapes = true ) const;
/**
* This function is the same as TransformGraphicShapesWithClearanceToPolygonSet
* but only generate text.
*/
void TransformFPTextWithClearanceToPolygonSet( SHAPE_POLY_SET& aCornerBuffer,
PCB_LAYER_ID aLayer, int aClearance,
int aError, ERROR_LOC aErrorLoc ) const
{
TransformFPShapesWithClearanceToPolygon( aCornerBuffer, aLayer, aClearance, aError,
aErrorLoc, true, false );
}
/**
* Return the list of system text vars for this footprint.
*/
void GetContextualTextVars( wxArrayString* aVars ) const;
/**
* Resolve any references to system tokens supported by the component.
*
* @param aDepth a counter to limit recursion and circular references.
*/
bool ResolveTextVar( wxString* token, int aDepth = 0 ) const;
///< @copydoc EDA_ITEM::GetMsgPanelInfo
void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override;
/**
* Test if a point is inside the bounding polygon of the footprint.
*
* The other hit test methods are just checking the bounding box, which can be quite
* inaccurate for rotated or oddly-shaped footprints.
*
* @param aPosition is the point to test
* @return true if aPosition is inside the bounding polygon
*/
bool HitTestAccurate( const wxPoint& aPosition, int aAccuracy = 0 ) const;
bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;
/**
* @return reference designator text.
*/
const wxString& GetReference() const
{
return m_reference->GetText();
}
/**
* @param aReference A reference to a wxString object containing the reference designator
* text.
*/
void SetReference( const wxString& aReference )
{
m_reference->SetText( aReference );
}
/**
* Bump the current reference by \a aDelta.
*/
void IncrementReference( int aDelta );
/**
* @return the value text.
*/
const wxString& GetValue() const
{
return m_value->GetText();
}
/**
* @param aValue A reference to a wxString object containing the value text.
*/
void SetValue( const wxString& aValue )
{
m_value->SetText( aValue );
}
/// read/write accessors:
FP_TEXT& Value() { return *m_value; }
FP_TEXT& Reference() { return *m_reference; }
/// The const versions to keep the compiler happy.
FP_TEXT& Value() const { return *m_value; }
FP_TEXT& Reference() const { return *m_reference; }
const std::map<wxString, wxString>& GetProperties() const { return m_properties; }
void SetProperties( const std::map<wxString, wxString>& aProps ) { m_properties = aProps; }
const wxString& GetProperty( const wxString& aKey) { return m_properties[ aKey ]; }
bool HasProperty( const wxString& aKey)
{
return m_properties.find( aKey ) != m_properties.end();
}
void SetProperty( const wxString& aKey, const wxString& aVal ) { m_properties[ aKey ] = aVal; }
/**
* Return a #PAD with a matching name.
*
* @note Names may not be unique depending on how the footprint was created.
*
* @param aPadName the pad name to find.
* @return the first matching named #PAD is returned or NULL if not found.
*/
PAD* FindPadByName( const wxString& aPadName ) const;
/**
* Get a pad at \a aPosition on \a aLayerMask in the footprint.
*
* @param aPosition A wxPoint object containing the position to hit test.
* @param aLayerMask A layer or layers to mask the hit test.
* @return A pointer to a #PAD object if found otherwise NULL.
*/
PAD* GetPad( const wxPoint& aPosition, LSET aLayerMask = LSET::AllLayersMask() );
PAD* GetTopLeftPad();
/**
* Return the number of pads.
*
* @param aIncludeNPTH includes non-plated through holes when true. Does not include
* non-plated through holes when false.
* @return the number of pads according to \a aIncludeNPTH.
*/
unsigned GetPadCount( INCLUDE_NPTH_T aIncludeNPTH = INCLUDE_NPTH_T(INCLUDE_NPTH) ) const;
/**
* Return the number of unique non-blank pads.
*
* A complex pad can be built with many pads having the same pad name to create a complex
* shape or fragmented solder paste areas.
*
* @param aIncludeNPTH includes non-plated through holes when true. Does not include
* non-plated through holes when false.
* @return the number of unique pads according to \a aIncludeNPTH.
*/
unsigned GetUniquePadCount( INCLUDE_NPTH_T aIncludeNPTH = INCLUDE_NPTH_T(INCLUDE_NPTH) ) const;
/**
* Return the next available pad name in the footprint.
*
* @param aFillSequenceGaps true if the numbering should "fill in" gaps in the sequence,
* else return the highest value + 1
* @return the next available pad name
*/
wxString GetNextPadName( const wxString& aLastPadName ) const;
double GetArea( int aPadding = 0 ) const;
KIID GetLink() const { return m_link; }
void SetLink( const KIID& aLink ) { m_link = aLink; }
int GetPlacementCost180() const { return m_rot180Cost; }
void SetPlacementCost180( int aCost ) { m_rot180Cost = aCost; }
int GetPlacementCost90() const { return m_rot90Cost; }
void SetPlacementCost90( int aCost ) { m_rot90Cost = aCost; }
BOARD_ITEM* Duplicate() const override;
/**
* Duplicate a given item within the footprint, optionally adding it to the board.
*
* @return the new item, or NULL if the item could not be duplicated.
*/
BOARD_ITEM* DuplicateItem( const BOARD_ITEM* aItem, bool aAddToFootprint = false );
/**
* Add \a a3DModel definition to the end of the 3D model list.
*
* @param a3DModel A pointer to a #FP_3DMODEL to add to the list.
*/
void Add3DModel( FP_3DMODEL* a3DModel );
SEARCH_RESULT Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] ) override;
wxString GetClass() const override
{
return wxT( "FOOTPRINT" );
}
wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
BITMAPS GetMenuImage() const override;
EDA_ITEM* Clone() const override;
/**
* Invoke a function on all BOARD_ITEMs that belong to the footprint (pads, drawings, texts).
*
* @note This function should not add or remove items to the footprint.
*
* @param aFunction is the function to be invoked.
*/
void RunOnChildren( const std::function<void (BOARD_ITEM*)>& aFunction ) const;
/**
* Return a set of all layers that this footprint has drawings on similar to ViewGetLayers().
*
* @param aLayers is an array to store layer ids.
* @param aCount is the number of layers stored in the array.
* @param aIncludePads controls whether to also include pad layers.
*/
void GetAllDrawingLayers( int aLayers[], int& aCount, bool aIncludePads = true ) const;
virtual void ViewGetLayers( int aLayers[], int& aCount ) const override;
double ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const override;
virtual const BOX2I ViewBBox() const override;
/**
* Test for validity of a name of a footprint to be used in a footprint library
* ( no spaces, dir separators ... ).
*
* @param aName is the name in library to validate.
* @return true if the given name is valid
*/
static bool IsLibNameValid( const wxString& aName );
/**
* Test for validity of the name in a library of the footprint ( no spaces, dir
* separators ... ).
*
* @param aUserReadable set to false to get the list of invalid characters or true to get
* a readable form (i.e ' ' = 'space' '\\t'= 'tab').
*
* @return the list of invalid chars in the library name.
*/
static const wxChar* StringLibNameInvalidChars( bool aUserReadable );
/**
* Take ownership of caller's heap allocated aInitialComments block.
*
* The comments are single line strings already containing the s-expression comments with
* optional leading whitespace and then a '#' character followed by optional single line
* text (text with no line endings, not even one). This block of single line comments
* will be output upfront of any generated s-expression text in the PCBIO::Format() function.
*
* @note A block of single line comments constitutes a multiline block of single line
* comments. That is, the block is made of consecutive single line comments.
*
* @param aInitialComments is a heap allocated wxArrayString or NULL, which the caller
* gives up ownership of over to this FOOTPRINT.
*/
void SetInitialComments( wxArrayString* aInitialComments )
{
delete m_initial_comments;
m_initial_comments = aInitialComments;
}
/**
* Calculate the ratio of total area of the footprint pads and graphical items to the
* area of the footprint. Used by selection tool heuristics.
*
* @return the ratio.
*/
double CoverageRatio( const GENERAL_COLLECTOR& aCollector ) const;
static double GetCoverageArea( const BOARD_ITEM* aItem, const GENERAL_COLLECTOR& aCollector );
///< Return the initial comments block or NULL if none, without transfer of ownership.
const wxArrayString* GetInitialComments() const { return m_initial_comments; }
/**
* Used in DRC to test the courtyard area (a complex polygon).
*
* @return the courtyard polygon.
*/
const SHAPE_POLY_SET& GetPolyCourtyardFront() const { return m_poly_courtyard_front; }
const SHAPE_POLY_SET& GetPolyCourtyardBack() const { return m_poly_courtyard_back; }
/**
* Build complex polygons of the courtyard areas from graphic items on the courtyard layers.
*
* @note Set the #MALFORMED_F_COURTYARD and #MALFORMED_B_COURTYARD status flags if the given
* courtyard layer does not contain a (single) closed shape.
*/
void BuildPolyCourtyards( OUTLINE_ERROR_HANDLER* aErrorHandler = nullptr );
virtual std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER ) const override;
virtual void SwapData( BOARD_ITEM* aImage ) override;
struct cmp_drawings
{
bool operator()( const BOARD_ITEM* aFirst, const BOARD_ITEM* aSecond ) const;
};
struct cmp_pads
{
bool operator()( const PAD* aFirst, const PAD* aSecond ) const;
};
#if defined(DEBUG)
virtual void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
private:
DRAWINGS m_drawings; // BOARD_ITEMs for drawings on the board, owned by pointer.
PADS m_pads; // PAD items, owned by pointer
FP_ZONES m_fp_zones; // FP_ZONE items, owned by pointer
FP_GROUPS m_fp_groups; // PCB_GROUP items, owned by pointer
double m_orient; // Orientation in tenths of a degree, 900=90.0 degrees.
wxPoint m_pos; // Position of footprint on the board in internal units.
FP_TEXT* m_reference; // Component reference designator value (U34, R18..)
FP_TEXT* m_value; // Component value (74LS00, 22K..)
LIB_ID m_fpid; // The #LIB_ID of the FOOTPRINT.
int m_attributes; // Flag bits ( see FOOTPRINT_ATTR_T )
int m_fpStatus; // For autoplace: flags (LOCKED, FIELDS_AUTOPLACED)
// Bounding box caching strategy:
// While we attempt to notice the low-hanging fruit operations and update the bounding boxes
// accordingly, we rely mostly on a "if anything changed then the caches are stale" approach.
// We implement this by having PCB_BASE_FRAME's OnModify() method increment an operation
// counter, and storing that as a timestamp for the various caches.
// This means caches will get regenerated often -- but still far less often than if we had no
// caches at all. The principal opitmization would be to change to dirty flag and make sure
// that any edit that could affect the bounding boxes (including edits to the footprint
// children) marked the bounding boxes dirty. It would definitely be faster -- but also more
// fragile.
mutable EDA_RECT m_cachedBoundingBox;
mutable int m_boundingBoxCacheTimeStamp;
mutable EDA_RECT m_cachedVisibleBBox;
mutable int m_visibleBBoxCacheTimeStamp;
mutable EDA_RECT m_cachedTextExcludedBBox;
mutable int m_textExcludedBBoxCacheTimeStamp;
mutable SHAPE_POLY_SET m_cachedHull;
mutable int m_hullCacheTimeStamp;
ZONE_CONNECTION m_zoneConnection;
int m_thermalWidth;
int m_thermalGap;
int m_localClearance;
int m_localSolderMaskMargin; // Solder mask margin
int m_localSolderPasteMargin; // Solder paste margin absolute value
double m_localSolderPasteMarginRatio; // Solder mask margin ratio value of pad size
wxString m_doc; // File name and path for documentation file.
wxString m_keywords; // Search keywords to find footprint in library.
KIID_PATH m_path; // Path to associated symbol ([sheetUUID, .., symbolUUID]).
timestamp_t m_lastEditTime;
int m_arflag; // Use to trace ratsnest and auto routing.
KIID m_link; // Temporary logical link used during editing
int m_rot90Cost; // Horizontal automatic placement cost ( 0..10 ).
int m_rot180Cost; // Vertical automatic placement cost ( 0..10 ).
std::list<FP_3DMODEL> m_3D_Drawings; // Linked list of 3D models.
std::map<wxString, wxString> m_properties;
wxArrayString* m_initial_comments; // s-expression comments in the footprint,
// lazily allocated only if needed for speed
SHAPE_POLY_SET m_poly_courtyard_front; // Note that a footprint can have both front and back
SHAPE_POLY_SET m_poly_courtyard_back; // courtyards populated.
};
#endif // FOOTPRINT_H
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