kicad/pcbnew/class_pad.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 1992-2011 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
*/
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/**
* @file class_pad.h
* @brief Pad object description
*/
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#ifndef PAD_H_
#define PAD_H_
#include <class_board_item.h>
#include <class_board_connected_item.h>
#include <pad_shapes.h>
#include <PolyLine.h>
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#include <param_config.h> // PARAM_CFG_ARRAY
#include "zones.h"
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class LINE_READER;
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class EDA_3D_CANVAS;
class EDA_DRAW_PANEL;
class MODULE;
class TRACK;
class MSG_PANEL_INFO;
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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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// PAD_STANDARD:
#define PAD_STANDARD_DEFAULT_LAYERS ALL_CU_LAYERS | SILKSCREEN_LAYER_FRONT | \
SOLDERMASK_LAYER_BACK | SOLDERMASK_LAYER_FRONT
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// PAD_CONN:
#define PAD_CONN_DEFAULT_LAYERS LAYER_FRONT | SOLDERPASTE_LAYER_FRONT | SOLDERMASK_LAYER_FRONT
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// PAD_SMD:
#define PAD_SMD_DEFAULT_LAYERS LAYER_FRONT | SOLDERMASK_LAYER_FRONT
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//PAD_HOLE_NOT_PLATED:
#define PAD_HOLE_NOT_PLATED_DEFAULT_LAYERS ALL_CU_LAYERS | SILKSCREEN_LAYER_FRONT | \
SOLDERMASK_LAYER_BACK | SOLDERMASK_LAYER_FRONT
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// Helper class to store parameters used to draw a pad
class PAD_DRAWINFO
{
public:
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EDA_DRAW_PANEL* m_DrawPanel; // the EDA_DRAW_PANEL used to draw a PAD ; can be null
GR_DRAWMODE m_DrawMode; // the draw mode
EDA_COLOR_T m_Color; // color used to draw the pad shape , from pad layers and
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// visible layers
EDA_COLOR_T m_HoleColor; // color used to draw the pad hole
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
wxSize m_Mask_margin; // margin, used to draw solder paste when only one layer is shown
bool m_Display_padnum; // true to show pad number
bool m_Display_netname; // true to show net name
bool m_ShowPadFilled; // true to show pad as solid area, false to show pas in
// sketch mode
bool m_ShowNCMark; // true to show pad not connected mark
bool m_ShowNotPlatedHole; // true when the pad hole in not plated, to draw a specific
// pad shape
bool m_IsPrinting; // true to print, false to display on screen.
wxPoint m_Offset; // general draw offset
PAD_DRAWINFO();
};
class D_PAD : public BOARD_CONNECTED_ITEM
{
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public:
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static int m_PadSketchModePenSize; ///< Pen size used to draw pads in sketch mode
///< (mode used to print pads on silkscreen layer)
public:
D_PAD( MODULE* parent );
// Do not create a copy constructor. The one generated by the compiler is adequate.
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// D_PAD( const D_PAD& o );
void Copy( D_PAD* source );
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D_PAD* Next() const { return (D_PAD*) Pnext; }
MODULE* GetParent() const { return (MODULE*) m_Parent; }
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void SetPadName( const wxString& name ); // Change pad name
const wxString GetPadName() const;
bool PadNameEqual( const D_PAD* other ) const
{
return m_NumPadName == other->m_NumPadName; // hide tricks behind sensible API
}
/**
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* Function SetNetname
* @param aNetname: the new netname
*/
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void SetNetname( const wxString& aNetname );
/**
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* Function GetNetname
* @return const wxString& - the full netname
*/
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const wxString& GetNetname() const { return m_Netname; }
/**
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* Function GetShortNetname
* @return const wxString& - the short netname
*/
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const wxString& GetShortNetname() const { return m_ShortNetname; }
/**
* Function GetShape
* @return the shape of this pad.
*/
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PAD_SHAPE_T GetShape() const { return m_PadShape; }
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
const wxPoint& GetPosition() const { return m_Pos; } // was overload
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void SetY( int y ) { m_Pos.y = y; }
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; }
void SetX0( int x ) { m_Pos0.x = x; }
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; }
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; }
const wxPoint& GetOffset() const { return m_Offset; }
void Flip( int aTranslationY );
/**
* Function SetOrientation
* 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
* outside of 0 - 3600, then it will be normalized before being saved.
*/
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void SetOrientation( double aAngle );
/**
* Function GetOrientation
* returns the rotation angle of the pad in tenths of degrees, but soon degrees.
*/
double GetOrientation() const { return m_Orient; }
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void SetDrillShape( PAD_SHAPE_T aDrillShape ) { m_DrillShape = aDrillShape; }
PAD_SHAPE_T GetDrillShape() const { return m_DrillShape; }
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void SetLayerMask( LAYER_MSK aLayerMask ) { m_layerMask = aLayerMask; }
LAYER_MSK GetLayerMask() 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; }
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; }
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; }
double GetLocalSolderPasteMarginRatio() const { return m_LocalSolderPasteMarginRatio; }
void SetLocalSolderPasteMarginRatio( double aRatio ) { m_LocalSolderPasteMarginRatio = aRatio; }
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/**
* Function TransformShapeWithClearanceToPolygon
* Convert the pad shape to a closed polygon
* Used in filling zones calculations
* Circles and arcs are approximated by segments
* @param aCornerBuffer = a buffer to store the polygon
* @param aClearanceValue = the clearance around the pad
* @param aCircleToSegmentsCount = the number of segments to approximate a circle
* @param aCorrectionFactor = the correction to apply to circles radius to keep
* clearance when the circle is approximated by segment bigger or equal
* to the real clearance value (usually near from 1.0)
*/
void TransformShapeWithClearanceToPolygon( CPOLYGONS_LIST& aCornerBuffer,
int aClearanceValue,
int aCircleToSegmentsCount,
double aCorrectionFactor ) const;;
/**
* Function GetClearance
* returns the clearance in internal units. If \a aItem is not NULL then the
* returned clearance is the greater of this object's clearance and
* aItem's clearance. If \a aItem is NULL, then this objects clearance
* is returned.
* @param aItem is another BOARD_CONNECTED_ITEM or NULL
* @return int - the clearance in internal units.
*/
int GetClearance( BOARD_CONNECTED_ITEM* aItem = NULL ) const;
// Mask margins handling:
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/**
* Function GetSolderMaskMargin
* @return the margin for the solder mask layer
* usually > 0 (mask shape bigger than pad
* value is
* 1 - the local value
* 2 - if null, the parent footprint value
* 1 - if null, the global value
*/
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int GetSolderMaskMargin() const;
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/**
* 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
* value is
* 1 - the local value
* 2 - if null, the parent footprint value
* 1 - if null, the global value
*/
wxSize GetSolderPasteMargin() const;
void SetZoneConnection( ZoneConnection aType ) { m_ZoneConnection = aType; }
ZoneConnection GetZoneConnection() const;
void SetThermalWidth( int aWidth ) { m_ThermalWidth = aWidth; }
int GetThermalWidth() const;
void SetThermalGap( int aGap ) { m_ThermalGap = aGap; }
int GetThermalGap() const;
/* drawing functions */
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void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
GR_DRAWMODE aDrawMode, const wxPoint& aOffset = ZeroOffset );
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/**
* Function DrawShape
* basic function to draw a pad.
* <p>
* This function is used by Draw after calculation of parameters (color, ) final
* orientation transforms are set. It can also be called to draw a pad on any panel
* even if this panel is not a EDA_DRAW_PANEL for instance on a wxPanel inside the
* pad editor.
* </p>
*/
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void DrawShape( EDA_RECT* aClipBox, wxDC* aDC, PAD_DRAWINFO& aDrawInfo );
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/**
* Function BuildPadPolygon
* Has meaning only for polygonal pads (trapezoid and rectangular)
* Build the Corner list of the polygonal shape,
* depending on shape, extra size (clearance ...) and orientation
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* @param aCoord = a buffer to fill (4 corners).
* @param aInflateValue = wxSize: the clearance or margin value. value > 0:
* inflate, < 0 deflate
* @param aRotation = full rotation of the polygon
*/
void BuildPadPolygon( wxPoint aCoord[4], wxSize aInflateValue, double aRotation ) const;
/**
* Function BuildPadShapePolygon
* Build the Corner list of the polygonal shape,
* depending on shape, extra size (clearance ...) pad and orientation
* This function is similar to TransformShapeWithClearanceToPolygon,
* but the difference is BuildPadShapePolygon creates a polygon shape exactly
* similar to pad shape, which a size inflated by aInflateValue
* and TransformShapeWithClearanceToPolygon creates a more complex shape (for instance
* a rectangular pad is converted in a rectangulr shape with ronded corners)
* @param aCornerBuffer = a buffer to fill.
* @param aInflateValue = the clearance or margin value.
* value > 0: inflate, < 0 deflate, = 0 : no change
* the clearance can have different values for x and y directions
* (relative to the pad)
* @param aSegmentsPerCircle = number of segments to approximate a circle
* (used for round and oblong shapes only (16 to 32 is a good value)
* @param aCorrectionFactor = the correction to apply to circles radius to keep
* the pad size when the circle is approximated by segments
*/
void BuildPadShapePolygon( CPOLYGONS_LIST& aCornerBuffer,
wxSize aInflateValue, int aSegmentsPerCircle,
double aCorrectionFactor ) const;
/**
* Function BuildPadDrillShapePolygon
* Build the Corner list of the polygonal drill shape,
* depending on shape pad hole and orientation
* @param aCornerBuffer = a buffer to fill.
* @param aInflateValue = the clearance or margin value.
* value > 0: inflate, < 0 deflate, = 0 : no change
* @param aSegmentsPerCircle = number of segments to approximate a circle
* (used for round and oblong shapes only(16 to 32 is a good value)
* @return false if the pad has no hole, true otherwise
*/
bool BuildPadDrillShapePolygon( CPOLYGONS_LIST& aCornerBuffer,
int aInflateValue, int aSegmentsPerCircle ) const;
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/**
* Function BuildSegmentFromOvalShape
* Has meaning only for OVAL (and ROUND) pads
* Build an equivalent segment having the same shape as the OVAL shape,
* Useful in draw function and in DRC and HitTest functions,
* because segments are already well handled by track tests
* @param aSegStart = the starting point of the equivalent segment relative to the shape
* position.
* @param aSegEnd = the ending point of the equivalent segment, relative to the shape position
* @param aRotation = full rotation of the segment
* @param aRotation = full rotation of the segment
* @param aMargin = a margin around the shape (for instance mask margin)
* @return the width of the segment
*/
int BuildSegmentFromOvalShape( wxPoint& aSegStart, wxPoint& aSegEnd,
double aRotation, const wxSize& aMargin ) const;
void ReturnStringPadName( wxString& text ) const; // Return pad name as string in a buffer
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/**
* Function GetBoundingRadius
* returns the radius of a minimum sized circle which fully encloses this pad.
*/
int GetBoundingRadius()
{
// Any member function which would affect this calculation should set
// m_boundingRadius to -1 to re-trigger the calculation from here.
// Currently that is only m_Size, m_DeltaSize, and m_PadShape accessors.
if( m_boundingRadius == -1 )
{
m_boundingRadius = boundingRadius();
}
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return m_boundingRadius;
}
const wxPoint ReturnShapePos() const;
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/**
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* Function GetSubRatsnest
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* @return int - the netcode
*/
int GetSubRatsnest() const { return m_SubRatsnest; }
void SetSubRatsnest( int aSubRatsnest ) { m_SubRatsnest = aSubRatsnest; }
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void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList );
bool IsOnLayer( LAYER_NUM aLayer ) const;
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bool HitTest( const wxPoint& aPosition );
wxString GetClass() const
{
return wxT( "PAD" );
}
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EDA_RECT GetBoundingBox() const;
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/**
* 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.
*/
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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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{
m_Pos += aMoveVector;
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}
wxString GetSelectMenuText() const;
BITMAP_DEF GetMenuImage() const { return pad_xpm; }
/**
* Function ShowPadShape
* @return the name of the shape
*/
wxString ShowPadShape() const;
/**
* Function ShowPadAttr
* @return the name of the pad type (attribute) : STD, SMD ...
*/
wxString ShowPadAttr() const;
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/**
* Function AppendConfigs
* appends to @a aResult the configuration setting accessors which will later
* allow reading or writing of configuration file information directly into
* this object.
*/
void AppendConfigs( PARAM_CFG_ARRAY* aResult );
EDA_ITEM* Clone() const;
Introduction of Graphics Abstraction Layer based rendering for pcbnew. New classes: - VIEW - represents view that is seen by user, takes care of layer ordering & visibility and how it is displayed (which location, how much zoomed, etc.) - VIEW_ITEM - Base class for every item that can be displayed on VIEW (the biggest change is that now it may be necessary to override ViewBBox & ViewGetLayers method for derived classes). - EDA_DRAW_PANEL_GAL - Inherits after EDA_DRAW_PANEL, displays VIEW output, right now it is not editable (in opposite to usual EDA_DRAW_PANEL). - GAL/OPENGL_GAL/CAIRO_GAL - Base Graphics Abstraction Layer class + two different flavours (Cairo is not fully supported yet), that offers methods to draw primitives using different libraries. - WX_VIEW_CONTROLS - Controller for VIEW, handles user events, allows zooming, panning, etc. - PAINTER/PCB_PAINTER - Classes that uses GAL interface to draw items (as you may have already guessed - PCB_PAINTER is a class for drawing PCB specific object, PAINTER is an abstract class). Its methods are invoked by VIEW, when an item has to be drawn. To display a new type of item - you need to implement draw(ITEM_TYPE*) method that draws it using GAL methods. - STROKE_FONT - Implements stroke font drawing using GAL methods. Most important changes to Kicad original code: * EDA_ITEM now inherits from VIEW_ITEM, which is a base class for all drawable objects. * EDA_DRAW_FRAME contains both usual EDA_DRAW_PANEL and new EDA_DRAW_PANEL_GAL, that can be switched anytime. * There are some new layers for displaying multilayer pads, vias & pads holes (these are not shown yet on the right sidebar in pcbnew) * Display order of layers is different than in previous versions (if you are curious - you may check m_galLayerOrder@pcbnew/basepcbframe.cpp). Preserving usual order would result in not very natural display, such as showing silkscreen texts on the bottom. * Introduced new hotkey (Alt+F12) and new menu option (View->Switch canvas) for switching canvas during runtime. * Some of classes (mostly derived from BOARD_ITEM) now includes ViewBBox & ViewGetLayers methods. * Removed tools/class_painter.h, as now it is extended and included in source code. Build changes: * GAL-based rendering option is turned on by a new compilation CMake option KICAD_GAL. * When compiling with CMake option KICAD_GAL=ON, GLEW and Cairo libraries are required. * GAL-related code is compiled into a static library (common/libgal). * Build with KICAD_GAL=OFF should not need any new libraries and should come out as a standard version of Kicad Currently most of items in pcbnew can be displayed using OpenGL (to be done are DIMENSIONS and MARKERS). More details about GAL can be found in: http://www.ohwr.org/attachments/1884/view-spec.pdf
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/// @copydoc VIEW_ITEM::ViewGetLayers()
virtual void ViewGetLayers( int aLayers[], int& aCount ) const;
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/// @copydoc VIEW_ITEM::ViewGetLOD()
virtual unsigned int ViewGetLOD( int aLayer ) const;
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/// @copydoc VIEW_ITEM::ViewBBox()
virtual const BOX2I ViewBBox() const;
/**
* Function CopyNetlistSettings
* copies the netlist settings to \a aPad.
*
* The netlist settings are all of the #D_PAD settings not define by a #D_PAD in
* a netlist. These setting include local clearances, net names, etc. The pad
* physical geometry settings are not copied.
*
* @param aPad is the #D_PAD to copy the settings to.
*/
void CopyNetlistSettings( D_PAD* aPad );
#if defined(DEBUG)
virtual void Show( int nestLevel, std::ostream& os ) const { ShowDummy( os ); } // override
#endif
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private:
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/**
* Function boundingRadius
* returns a calculated radius of a bounding circle for this pad.
*/
int boundingRadius() const;
int m_boundingRadius; ///< radius of the circle containing the pad shape
wxString m_Netname; ///< Full net name like /mysheet/mysubsheet/vout used by Eeschema
wxString m_ShortNetname; ///< short net name, like vout from /mysheet/mysubsheet/vout
/// Pad name (4 char) or a long identifier (used in pad name
/// comparisons because this is faster than string comparison)
union
{
#define PADNAMEZ 4
char m_Padname[PADNAMEZ]; // zero padded at end to full size
wxUint32 m_NumPadName; // same number of bytes as m_Padname[]
};
wxPoint m_Pos; ///< pad Position on board
PAD_SHAPE_T m_PadShape; ///< Shape: PAD_CIRCLE, PAD_RECT, PAD_OVAL, PAD_TRAPEZOID
int m_SubRatsnest; ///< variable used in rats nest computations
///< handle subnet (block) number in ratsnest connection
wxSize m_Drill; ///< Drill diam (drill shape = PAD_CIRCLE) or drill size
///< (shape = OVAL) for drill shape = PAD_CIRCLE, drill
///< diam = m_Drill.x
wxSize m_Size; ///< X and Y size ( relative to orient 0)
PAD_SHAPE_T m_DrillShape; ///< Shape PAD_CIRCLE, PAD_OVAL
/**
* m_Offset is useful only for oblong pads (it can be used for other
* 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)
* Most of cases, the hole is the center of the shape (m_Offset = 0).
* But some board designers use oblong pads with a hole moved to one of the
* oblong pad shape ends.
* In all cases the pad position is the pad hole.
* The physical shape position (used to draw it for instance) is pad
* position (m_Pos) + m_Offset.
* D_PAD::ReturnShapePos() returns the physical shape position according to
* the offset and the pad rotation.
*/
wxPoint m_Offset;
LAYER_MSK m_layerMask; ///< Bitwise layer :1= copper layer, 15= cmp,
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///< 2..14 = internal layers
///< 16 .. 31 = technical layers
wxSize m_DeltaSize; ///< delta on rectangular shapes
wxPoint m_Pos0; ///< Initial Pad position (i.e. pad position relative to the
///< module anchor, orientation 0)
PAD_ATTR_T m_Attribute; ///< NORMAL, PAD_SMD, PAD_CONN, PAD_HOLE_NOT_PLATED
double m_Orient; ///< in 1/10 degrees
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.
/// when the module default value is null, the netclass value is used
/// Usually the local clearance is null
int m_LocalClearance;
// Local mask margins: when 0, the parent footprint design values are used
int m_LocalSolderMaskMargin; ///< Local solder mask margin
int m_LocalSolderPasteMargin; ///< Local solder paste margin absolute value
double m_LocalSolderPasteMarginRatio; ///< Local solder mask margin ratio value of pad size
///< The final margin is the sum of these 2 values
ZoneConnection m_ZoneConnection;
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int m_ThermalWidth;
int m_ThermalGap;
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};
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#endif // PAD_H_