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pad.cpp
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pad.cpp
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/*
* 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) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
* Copyright (C) 1992-2022 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
*/
#include <base_units.h>
#include <bitmaps.h>
#include <core/mirror.h>
#include <math/util.h> // for KiROUND
#include <eda_draw_frame.h>
#include <geometry/shape_circle.h>
#include <geometry/shape_segment.h>
#include <geometry/shape_simple.h>
#include <geometry/shape_rect.h>
#include <geometry/shape_compound.h>
#include <geometry/shape_null.h>
#include <string_utils.h>
#include <i18n_utility.h>
#include <view/view.h>
#include <board.h>
#include <board_connected_item.h>
#include <board_design_settings.h>
#include <footprint.h>
#include <pad.h>
#include <pcb_shape.h>
#include <connectivity/connectivity_data.h>
#include <convert_to_biu.h>
#include <convert_basic_shapes_to_polygon.h>
#include <widgets/msgpanel.h>
#include <pcb_painter.h>
#include <wx/log.h>
#include <memory>
#include <macros.h>
using KIGFX::PCB_PAINTER;
using KIGFX::PCB_RENDER_SETTINGS;
PAD::PAD( FOOTPRINT* parent ) :
BOARD_CONNECTED_ITEM( parent, PCB_PAD_T )
{
m_size.x = m_size.y = Mils2iu( 60 ); // Default pad size 60 mils.
m_drill.x = m_drill.y = Mils2iu( 30 ); // Default drill size 30 mils.
m_orient = ANGLE_0;
m_lengthPadToDie = 0;
if( m_parent && m_parent->Type() == PCB_FOOTPRINT_T )
m_pos = GetParent()->GetPosition();
SetShape( PAD_SHAPE::CIRCLE ); // Default pad shape is PAD_CIRCLE.
SetAnchorPadShape( PAD_SHAPE::CIRCLE ); // Default shape for custom shaped pads
// is PAD_CIRCLE.
SetDrillShape( PAD_DRILL_SHAPE_CIRCLE ); // Default pad drill shape is a circle.
m_attribute = PAD_ATTRIB::PTH; // Default pad type is plated through hole
SetProperty( PAD_PROP::NONE ); // no special fabrication property
m_localClearance = 0;
m_localSolderMaskMargin = 0;
m_localSolderPasteMargin = 0;
m_localSolderPasteMarginRatio = 0.0;
// Parameters for round rect only:
m_roundedCornerScale = 0.25; // from IPC-7351C standard
// Parameters for chamfered rect only:
m_chamferScale = 0.2; // Size of chamfer: ratio of smallest of X,Y size
m_chamferPositions = RECT_NO_CHAMFER; // No chamfered corner
m_zoneConnection = ZONE_CONNECTION::INHERITED; // Use parent setting by default
m_thermalSpokeWidth = 0; // Use parent setting by default
m_thermalSpokeAngle = ANGLE_45; // Default for circular pads
m_thermalGap = 0; // Use parent setting by default
m_customShapeClearanceArea = CUST_PAD_SHAPE_IN_ZONE_OUTLINE;
// Set layers mask to default for a standard thru hole pad.
m_layerMask = PTHMask();
SetSubRatsnest( 0 ); // used in ratsnest calculations
SetDirty();
m_effectiveBoundingRadius = 0;
m_removeUnconnectedLayer = false;
m_keepTopBottomLayer = true;
}
PAD::PAD( const PAD& aOther ) :
BOARD_CONNECTED_ITEM( aOther.GetParent(), PCB_PAD_T )
{
PAD::operator=( aOther );
const_cast<KIID&>( m_Uuid ) = aOther.m_Uuid;
}
PAD& PAD::operator=( const PAD &aOther )
{
BOARD_CONNECTED_ITEM::operator=( aOther );
ImportSettingsFrom( aOther );
SetPadToDieLength( aOther.GetPadToDieLength() );
SetPosition( aOther.GetPosition() );
SetPos0( aOther.GetPos0() );
SetNumber( aOther.GetNumber() );
SetPinType( aOther.GetPinType() );
SetPinFunction( aOther.GetPinFunction() );
SetSubRatsnest( aOther.GetSubRatsnest() );
m_effectiveBoundingRadius = aOther.m_effectiveBoundingRadius;
m_removeUnconnectedLayer = aOther.m_removeUnconnectedLayer;
m_keepTopBottomLayer = aOther.m_keepTopBottomLayer;
return *this;
}
bool PAD::CanHaveNumber() const
{
// Aperture pads don't get a number
if( IsAperturePad() )
return false;
// NPTH pads don't get numbers
if( GetAttribute() == PAD_ATTRIB::NPTH )
return false;
return true;
}
bool PAD::IsLocked() const
{
if( GetParent() && GetParent()->IsLocked() )
return true;
return BOARD_ITEM::IsLocked();
};
LSET PAD::PTHMask()
{
static LSET saved = LSET::AllCuMask() | LSET( 2, F_Mask, B_Mask );
return saved;
}
LSET PAD::SMDMask()
{
static LSET saved( 3, F_Cu, F_Paste, F_Mask );
return saved;
}
LSET PAD::ConnSMDMask()
{
static LSET saved( 2, F_Cu, F_Mask );
return saved;
}
LSET PAD::UnplatedHoleMask()
{
static LSET saved = LSET( 4, F_Cu, B_Cu, F_Mask, B_Mask );
return saved;
}
LSET PAD::ApertureMask()
{
static LSET saved( 1, F_Paste );
return saved;
}
bool PAD::IsFlipped() const
{
if( GetParent() && GetParent()->GetLayer() == B_Cu )
return true;
return false;
}
PCB_LAYER_ID PAD::GetLayer() const
{
wxFAIL_MSG( wxT( "Pads exist on multiple layers. GetLayer() has no meaning." ) );
return BOARD_ITEM::GetLayer();
}
PCB_LAYER_ID PAD::GetPrincipalLayer() const
{
if( m_attribute == PAD_ATTRIB::SMD || m_attribute == PAD_ATTRIB::CONN )
return m_layer;
wxFAIL_MSG( wxT( "Non-SMD/CONN pads have no principal layer." ) );
return m_layer;
}
bool PAD::FlashLayer( LSET aLayers ) const
{
for( PCB_LAYER_ID layer : aLayers.Seq() )
{
if( FlashLayer( layer ) )
return true;
}
return false;
}
bool PAD::FlashLayer( int aLayer ) const
{
static std::initializer_list<KICAD_T> types
{ PCB_TRACE_T, PCB_ARC_T, PCB_VIA_T, PCB_PAD_T, PCB_ZONE_T, PCB_FP_ZONE_T };
if( aLayer != UNDEFINED_LAYER && !IsOnLayer( static_cast<PCB_LAYER_ID>( aLayer ) ) )
return false;
if( GetAttribute() == PAD_ATTRIB::NPTH )
{
if( GetShape() == PAD_SHAPE::CIRCLE && GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE )
{
if( GetOffset() == VECTOR2I( 0, 0 ) && GetDrillSize().x >= GetSize().x )
return false;
}
else if( GetShape() == PAD_SHAPE::OVAL && GetDrillShape() == PAD_DRILL_SHAPE_OBLONG )
{
if( GetOffset() == VECTOR2I( 0, 0 )
&& GetDrillSize().x >= GetSize().x && GetDrillSize().y >= GetSize().y )
{
return false;
}
}
}
if( aLayer == UNDEFINED_LAYER )
return true;
if( LSET::FrontBoardTechMask().test( aLayer ) )
aLayer = F_Cu;
else if( LSET::BackBoardTechMask().test( aLayer ) )
aLayer = B_Cu;
if( GetAttribute() == PAD_ATTRIB::PTH && IsCopperLayer( aLayer ) )
{
/// Heat sink pads always get copper
if( GetProperty() == PAD_PROP::HEATSINK )
return true;
if( !m_removeUnconnectedLayer )
return true;
// Plated through hole pads need copper on the top/bottom layers for proper soldering
// Unless the user has removed them in the pad dialog
if( m_keepTopBottomLayer && ( aLayer == F_Cu || aLayer == B_Cu ) )
return true;
if( const BOARD* board = GetBoard() )
return board->GetConnectivity()->IsConnectedOnLayer( this, aLayer, types, true );
}
return true;
}
int PAD::GetRoundRectCornerRadius() const
{
return KiROUND( std::min( m_size.x, m_size.y ) * m_roundedCornerScale );
}
void PAD::SetRoundRectCornerRadius( double aRadius )
{
int min_r = std::min( m_size.x, m_size.y );
if( min_r > 0 )
SetRoundRectRadiusRatio( aRadius / min_r );
}
void PAD::SetRoundRectRadiusRatio( double aRadiusScale )
{
m_roundedCornerScale = std::max( 0.0, std::min( aRadiusScale, 0.5 ) );
SetDirty();
}
void PAD::SetChamferRectRatio( double aChamferScale )
{
m_chamferScale = std::max( 0.0, std::min( aChamferScale, 0.5 ) );
SetDirty();
}
const std::shared_ptr<SHAPE_POLY_SET>& PAD::GetEffectivePolygon() const
{
if( m_polyDirty )
BuildEffectivePolygon();
return m_effectivePolygon;
}
std::shared_ptr<SHAPE> PAD::GetEffectiveShape( PCB_LAYER_ID aLayer, FLASHING aFlash ) const
{
if( ( GetAttribute() == PAD_ATTRIB::PTH && aFlash == FLASHING::NEVER_FLASHED )
|| ( aLayer != UNDEFINED_LAYER && !FlashLayer( aLayer ) ) )
{
if( GetAttribute() == PAD_ATTRIB::PTH )
{
BOARD_DESIGN_SETTINGS& bds = GetBoard()->GetDesignSettings();
// Note: drill size represents finish size, which means the actual holes size is the
// plating thickness larger.
auto hole = static_cast<SHAPE_SEGMENT*>( GetEffectiveHoleShape()->Clone() );
hole->SetWidth( hole->GetWidth() + bds.GetHolePlatingThickness() );
return std::make_shared<SHAPE_SEGMENT>( *hole );
}
return std::make_shared<SHAPE_NULL>();
}
if( m_shapesDirty )
BuildEffectiveShapes( aLayer );
return m_effectiveShape;
}
const SHAPE_SEGMENT* PAD::GetEffectiveHoleShape() const
{
if( m_shapesDirty )
BuildEffectiveShapes( UNDEFINED_LAYER );
return m_effectiveHoleShape.get();
}
int PAD::GetBoundingRadius() const
{
if( m_polyDirty )
BuildEffectivePolygon();
return m_effectiveBoundingRadius;
}
void PAD::BuildEffectiveShapes( PCB_LAYER_ID aLayer ) const
{
std::lock_guard<std::mutex> RAII_lock( m_shapesBuildingLock );
// If we had to wait for the lock then we were probably waiting for someone else to
// finish rebuilding the shapes. So check to see if they're clean now.
if( !m_shapesDirty )
return;
const BOARD* board = GetBoard();
int maxError = board ? board->GetDesignSettings().m_MaxError : ARC_HIGH_DEF;
m_effectiveShape = std::make_shared<SHAPE_COMPOUND>();
m_effectiveHoleShape = nullptr;
auto add = [this]( SHAPE* aShape )
{
m_effectiveShape->AddShape( aShape );
};
VECTOR2I shapePos = ShapePos(); // Fetch only once; rotation involves trig
PAD_SHAPE effectiveShape = GetShape();
if( GetShape() == PAD_SHAPE::CUSTOM )
effectiveShape = GetAnchorPadShape();
switch( effectiveShape )
{
case PAD_SHAPE::CIRCLE:
add( new SHAPE_CIRCLE( shapePos, m_size.x / 2 ) );
break;
case PAD_SHAPE::OVAL:
if( m_size.x == m_size.y ) // the oval pad is in fact a circle
{
add( new SHAPE_CIRCLE( shapePos, m_size.x / 2 ) );
}
else
{
VECTOR2I half_size = m_size / 2;
int half_width = std::min( half_size.x, half_size.y );
VECTOR2I half_len( half_size.x - half_width, half_size.y - half_width );
RotatePoint( half_len, m_orient );
add( new SHAPE_SEGMENT( shapePos - half_len, shapePos + half_len, half_width * 2 ) );
}
break;
case PAD_SHAPE::RECT:
case PAD_SHAPE::TRAPEZOID:
case PAD_SHAPE::ROUNDRECT:
{
int r = ( effectiveShape == PAD_SHAPE::ROUNDRECT ) ? GetRoundRectCornerRadius() : 0;
VECTOR2I half_size( m_size.x / 2, m_size.y / 2 );
VECTOR2I trap_delta( 0, 0 );
if( r )
{
half_size -= VECTOR2I( r, r );
// Avoid degenerated shapes (0 length segments) that always create issues
// For roundrect pad very near a circle, use only a circle
const int min_len = Millimeter2iu( 0.0001);
if( half_size.x < min_len && half_size.y < min_len )
{
add( new SHAPE_CIRCLE( shapePos, r ) );
break;
}
}
else if( effectiveShape == PAD_SHAPE::TRAPEZOID )
{
trap_delta = m_deltaSize / 2;
}
SHAPE_LINE_CHAIN corners;
corners.Append( -half_size.x - trap_delta.y, half_size.y + trap_delta.x );
corners.Append( half_size.x + trap_delta.y, half_size.y - trap_delta.x );
corners.Append( half_size.x - trap_delta.y, -half_size.y + trap_delta.x );
corners.Append( -half_size.x + trap_delta.y, -half_size.y - trap_delta.x );
corners.Rotate( m_orient );
corners.Move( shapePos );
// GAL renders rectangles faster than 4-point polygons so it's worth checking if our
// body shape is a rectangle.
if( corners.PointCount() == 4
&&
( ( corners.CPoint( 0 ).y == corners.CPoint( 1 ).y
&& corners.CPoint( 1 ).x == corners.CPoint( 2 ).x
&& corners.CPoint( 2 ).y == corners.CPoint( 3 ).y
&& corners.CPoint( 3 ).x == corners.CPoint( 0 ).x )
||
( corners.CPoint( 0 ).x == corners.CPoint( 1 ).x
&& corners.CPoint( 1 ).y == corners.CPoint( 2 ).y
&& corners.CPoint( 2 ).x == corners.CPoint( 3 ).x
&& corners.CPoint( 3 ).y == corners.CPoint( 0 ).y )
)
)
{
int width = std::abs( corners.CPoint( 2 ).x - corners.CPoint( 0 ).x );
int height = std::abs( corners.CPoint( 2 ).y - corners.CPoint( 0 ).y );
VECTOR2I pos( std::min( corners.CPoint( 2 ).x, corners.CPoint( 0 ).x ),
std::min( corners.CPoint( 2 ).y, corners.CPoint( 0 ).y ) );
add( new SHAPE_RECT( pos, width, height ) );
}
else
{
add( new SHAPE_SIMPLE( corners ) );
}
if( r )
{
add( new SHAPE_SEGMENT( corners.CPoint( 0 ), corners.CPoint( 1 ), r * 2 ) );
add( new SHAPE_SEGMENT( corners.CPoint( 1 ), corners.CPoint( 2 ), r * 2 ) );
add( new SHAPE_SEGMENT( corners.CPoint( 2 ), corners.CPoint( 3 ), r * 2 ) );
add( new SHAPE_SEGMENT( corners.CPoint( 3 ), corners.CPoint( 0 ), r * 2 ) );
}
}
break;
case PAD_SHAPE::CHAMFERED_RECT:
{
SHAPE_POLY_SET outline;
TransformRoundChamferedRectToPolygon( outline, shapePos, GetSize(), m_orient,
GetRoundRectCornerRadius(), GetChamferRectRatio(),
GetChamferPositions(), 0, maxError, ERROR_INSIDE );
add( new SHAPE_SIMPLE( outline.COutline( 0 ) ) );
}
break;
default:
wxFAIL_MSG( wxT( "PAD::buildEffectiveShapes: Unsupported pad shape: " )
+ PAD_SHAPE_T_asString( effectiveShape ) );
break;
}
if( GetShape() == PAD_SHAPE::CUSTOM )
{
for( const std::shared_ptr<PCB_SHAPE>& primitive : m_editPrimitives )
{
for( SHAPE* shape : primitive->MakeEffectiveShapes() )
{
shape->Rotate( m_orient );
shape->Move( shapePos );
add( shape );
}
}
}
BOX2I bbox = m_effectiveShape->BBox();
m_effectiveBoundingBox = EDA_RECT( bbox.GetPosition(), VECTOR2I( bbox.GetWidth(), bbox.GetHeight() ) );
// Hole shape
VECTOR2I half_size = m_drill / 2;
int half_width = std::min( half_size.x, half_size.y );
VECTOR2I half_len( half_size.x - half_width, half_size.y - half_width );
RotatePoint( half_len, m_orient );
m_effectiveHoleShape = std::make_shared<SHAPE_SEGMENT>( m_pos - half_len, m_pos + half_len,
half_width * 2 );
bbox = m_effectiveHoleShape->BBox();
m_effectiveBoundingBox.Merge( EDA_RECT( bbox.GetPosition(), VECTOR2I( bbox.GetWidth(), bbox.GetHeight() ) ) );
// All done
m_shapesDirty = false;
}
void PAD::BuildEffectivePolygon() const
{
std::lock_guard<std::mutex> RAII_lock( m_polyBuildingLock );
// If we had to wait for the lock then we were probably waiting for someone else to
// finish rebuilding the shapes. So check to see if they're clean now.
if( !m_polyDirty )
return;
const BOARD* board = GetBoard();
int maxError = board ? board->GetDesignSettings().m_MaxError : ARC_HIGH_DEF;
// Polygon
m_effectivePolygon = std::make_shared<SHAPE_POLY_SET>();
TransformShapeWithClearanceToPolygon( *m_effectivePolygon, UNDEFINED_LAYER, 0, maxError,
ERROR_INSIDE );
// Bounding radius
//
// PADSTACKS TODO: these will both need to cycle through all layers to get the largest
// values....
m_effectiveBoundingRadius = 0;
for( int cnt = 0; cnt < m_effectivePolygon->OutlineCount(); ++cnt )
{
const SHAPE_LINE_CHAIN& poly = m_effectivePolygon->COutline( cnt );
for( int ii = 0; ii < poly.PointCount(); ++ii )
{
int dist = KiROUND( ( poly.CPoint( ii ) - m_pos ).EuclideanNorm() );
m_effectiveBoundingRadius = std::max( m_effectiveBoundingRadius, dist );
}
}
// All done
m_polyDirty = false;
}
const EDA_RECT PAD::GetBoundingBox() const
{
if( m_shapesDirty )
BuildEffectiveShapes( UNDEFINED_LAYER );
return m_effectiveBoundingBox;
}
void PAD::SetDrawCoord()
{
FOOTPRINT* parentFootprint = static_cast<FOOTPRINT*>( m_parent );
m_pos = m_pos0;
if( parentFootprint == nullptr )
return;
RotatePoint( &m_pos.x, &m_pos.y, parentFootprint->GetOrientation() );
m_pos += parentFootprint->GetPosition();
SetDirty();
}
void PAD::SetLocalCoord()
{
FOOTPRINT* parentFootprint = static_cast<FOOTPRINT*>( m_parent );
if( parentFootprint == nullptr )
{
m_pos0 = m_pos;
return;
}
m_pos0 = m_pos - parentFootprint->GetPosition();
RotatePoint( &m_pos0.x, &m_pos0.y, -parentFootprint->GetOrientation() );
}
void PAD::SetAttribute( PAD_ATTRIB aAttribute )
{
m_attribute = aAttribute;
if( aAttribute == PAD_ATTRIB::SMD )
m_drill = VECTOR2I( 0, 0 );
SetDirty();
}
void PAD::SetProperty( PAD_PROP aProperty )
{
m_property = aProperty;
SetDirty();
}
void PAD::SetOrientation( const EDA_ANGLE& aAngle )
{
m_orient = aAngle;
m_orient.Normalize();
SetDirty();
}
void PAD::Flip( const VECTOR2I& aCentre, bool aFlipLeftRight )
{
if( aFlipLeftRight )
{
MIRROR( m_pos.x, aCentre.x );
MIRROR( m_pos0.x, 0 );
MIRROR( m_offset.x, 0 );
MIRROR( m_deltaSize.x, 0 );
}
else
{
MIRROR( m_pos.y, aCentre.y );
MIRROR( m_pos0.y, 0 );
MIRROR( m_offset.y, 0 );
MIRROR( m_deltaSize.y, 0 );
}
SetOrientation( -GetOrientation() );
auto mirrorBitFlags = []( int& aBitfield, int a, int b )
{
bool temp = aBitfield & a;
if( aBitfield & b )
aBitfield |= a;
else
aBitfield &= ~a;
if( temp )
aBitfield |= b;
else
aBitfield &= ~b;
};
if( aFlipLeftRight )
{
mirrorBitFlags( m_chamferPositions, RECT_CHAMFER_TOP_LEFT, RECT_CHAMFER_TOP_RIGHT );
mirrorBitFlags( m_chamferPositions, RECT_CHAMFER_BOTTOM_LEFT, RECT_CHAMFER_BOTTOM_RIGHT );
}
else
{
mirrorBitFlags( m_chamferPositions, RECT_CHAMFER_TOP_LEFT, RECT_CHAMFER_BOTTOM_LEFT );
mirrorBitFlags( m_chamferPositions, RECT_CHAMFER_TOP_RIGHT, RECT_CHAMFER_BOTTOM_RIGHT );
}
// flip pads layers
// PADS items are currently on all copper layers, or
// currently, only on Front or Back layers.
// So the copper layers count is not taken in account
SetLayerSet( FlipLayerMask( m_layerMask ) );
// Flip the basic shapes, in custom pads
FlipPrimitives( aFlipLeftRight );
SetDirty();
}
void PAD::FlipPrimitives( bool aFlipLeftRight )
{
for( std::shared_ptr<PCB_SHAPE>& primitive : m_editPrimitives )
primitive->Flip( VECTOR2I( 0, 0 ), aFlipLeftRight );
SetDirty();
}
VECTOR2I PAD::ShapePos() const
{
if( m_offset.x == 0 && m_offset.y == 0 )
return m_pos;
VECTOR2I loc_offset = m_offset;
RotatePoint( loc_offset, m_orient );
VECTOR2I shape_pos = m_pos + loc_offset;
return shape_pos;
}
int PAD::GetLocalClearanceOverrides( wxString* aSource ) const
{
// A pad can have specific clearance that overrides its NETCLASS clearance value
if( GetLocalClearance() )
return GetLocalClearance( aSource );
// A footprint can have a specific clearance value
if( GetParent() && GetParent()->GetLocalClearance() )
return GetParent()->GetLocalClearance( aSource );
return 0;
}
int PAD::GetLocalClearance( wxString* aSource ) const
{
if( aSource )
*aSource = _( "pad" );
return m_localClearance;
}
int PAD::GetSolderMaskExpansion() const
{
// The pad inherits the margin only to calculate a default shape,
// therefore only if it is also a copper layer
// Pads defined only on mask layers (and perhaps on other tech layers) use the shape
// defined by the pad settings only
bool isOnCopperLayer = ( m_layerMask & LSET::AllCuMask() ).any();
if( !isOnCopperLayer )
return 0;
int margin = m_localSolderMaskMargin;
FOOTPRINT* parentFootprint = GetParent();
if( parentFootprint )
{
if( margin == 0 )
{
if( parentFootprint->GetLocalSolderMaskMargin() )
margin = parentFootprint->GetLocalSolderMaskMargin();
}
if( margin == 0 )
{
const BOARD* brd = GetBoard();
if( brd )
margin = brd->GetDesignSettings().m_SolderMaskExpansion;
}
}
// ensure mask have a size always >= 0
if( margin < 0 )
{
int minsize = -std::min( m_size.x, m_size.y ) / 2;
if( margin < minsize )
margin = minsize;
}
return margin;
}
VECTOR2I PAD::GetSolderPasteMargin() const
{
// The pad inherits the margin only to calculate a default shape,
// therefore only if it is also a copper layer.
// Pads defined only on mask layers (and perhaps on other tech layers) use the shape
// defined by the pad settings only
bool isOnCopperLayer = ( m_layerMask & LSET::AllCuMask() ).any();
if( !isOnCopperLayer )
return VECTOR2I( 0, 0 );
int margin = m_localSolderPasteMargin;
double mratio = m_localSolderPasteMarginRatio;
FOOTPRINT* parentFootprint = GetParent();
if( parentFootprint )
{
if( margin == 0 )
margin = parentFootprint->GetLocalSolderPasteMargin();
auto brd = GetBoard();
if( margin == 0 && brd )
margin = brd->GetDesignSettings().m_SolderPasteMargin;
if( mratio == 0.0 )
mratio = parentFootprint->GetLocalSolderPasteMarginRatio();
if( mratio == 0.0 && brd )
{
mratio = brd->GetDesignSettings().m_SolderPasteMarginRatio;
}
}
VECTOR2I pad_margin;
pad_margin.x = margin + KiROUND( m_size.x * mratio );
pad_margin.y = margin + KiROUND( m_size.y * mratio );
// ensure mask have a size always >= 0
if( pad_margin.x < -m_size.x / 2 )
pad_margin.x = -m_size.x / 2;
if( pad_margin.y < -m_size.y / 2 )
pad_margin.y = -m_size.y / 2;
return pad_margin;
}
ZONE_CONNECTION PAD::GetLocalZoneConnectionOverride( wxString* aSource ) const
{
if( m_zoneConnection != ZONE_CONNECTION::INHERITED && aSource )
*aSource = _( "pad" );
return m_zoneConnection;
}
int PAD::GetLocalSpokeWidthOverride( wxString* aSource ) const
{
if( m_thermalSpokeWidth > 0 && aSource )
*aSource = _( "pad" );
return m_thermalSpokeWidth;
}
int PAD::GetLocalThermalGapOverride( wxString* aSource ) const
{
if( m_thermalGap > 0 && aSource )
*aSource = _( "pad" );
return m_thermalGap;
}
void PAD::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
EDA_UNITS units = aFrame->GetUserUnits();
wxString msg;
FOOTPRINT* parentFootprint = static_cast<FOOTPRINT*>( m_parent );
if( aFrame->GetName() == PCB_EDIT_FRAME_NAME )
{
if( parentFootprint )
aList.emplace_back( _( "Footprint" ), parentFootprint->GetReference() );
}
aList.emplace_back( _( "Pad" ), m_number );
if( !GetPinFunction().IsEmpty() )
aList.emplace_back( _( "Pin Name" ), GetPinFunction() );
if( !GetPinType().IsEmpty() )
aList.emplace_back( _( "Pin Type" ), GetPinType() );
if( aFrame->GetName() == PCB_EDIT_FRAME_NAME )
{
aList.emplace_back( _( "Net" ), UnescapeString( GetNetname() ) );
aList.emplace_back( _( "Net Class" ), UnescapeString( GetNetClass()->GetName() ) );
if( IsLocked() )
aList.emplace_back( _( "Status" ), _( "Locked" ) );
}
if( GetAttribute() == PAD_ATTRIB::SMD || GetAttribute() == PAD_ATTRIB::CONN )
aList.emplace_back( _( "Layer" ), layerMaskDescribe() );
// Show the pad shape, attribute and property
wxString props = ShowPadAttr();
if( GetProperty() != PAD_PROP::NONE )
props += ',';
switch( GetProperty() )
{
case PAD_PROP::NONE: break;
case PAD_PROP::BGA: props += _( "BGA" ); break;
case PAD_PROP::FIDUCIAL_GLBL: props += _( "Fiducial global" ); break;
case PAD_PROP::FIDUCIAL_LOCAL: props += _( "Fiducial local" ); break;
case PAD_PROP::TESTPOINT: props += _( "Test point" ); break;
case PAD_PROP::HEATSINK: props += _( "Heat sink" ); break;
case PAD_PROP::CASTELLATED: props += _( "Castellated" ); break;
}
aList.emplace_back( ShowPadShape(), props );
if( ( GetShape() == PAD_SHAPE::CIRCLE || GetShape() == PAD_SHAPE::OVAL ) &&
m_size.x == m_size.y )
{
aList.emplace_back( _( "Diameter" ), MessageTextFromValue( units, m_size.x ) );
}
else
{
aList.emplace_back( _( "Width" ), MessageTextFromValue( units, m_size.x ) );
aList.emplace_back( _( "Height" ), MessageTextFromValue( units, m_size.y ) );
}
EDA_ANGLE fp_orient = parentFootprint ? parentFootprint->GetOrientation() : ANGLE_0;
EDA_ANGLE pad_orient = GetOrientation() - fp_orient;
pad_orient.Normalize180();
if( !fp_orient.IsZero() )
msg.Printf( wxT( "%g(+ %g)" ), pad_orient.AsDegrees(), fp_orient.AsDegrees() );
else
msg.Printf( wxT( "%g" ), GetOrientation().AsDegrees() );
aList.emplace_back( _( "Rotation" ), msg );
if( GetPadToDieLength() )
{
msg = MessageTextFromValue(units, GetPadToDieLength() );
aList.emplace_back( _( "Length in Package" ), msg );
}
if( m_drill.x > 0 || m_drill.y > 0 )
{
if( GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE )
{
aList.emplace_back( _( "Hole" ),
wxString::Format( wxT( "%s" ),
MessageTextFromValue( units, m_drill.x ) ) );
}
else
{
aList.emplace_back( _( "Hole X / Y" ),
wxString::Format( wxT( "%s / %s" ),
MessageTextFromValue( units, m_drill.x ),
MessageTextFromValue( units, m_drill.y ) ) );
}
}
wxString source;
int clearance = GetOwnClearance( UNDEFINED_LAYER, &source );
if( !source.IsEmpty() )
{
aList.emplace_back( wxString::Format( _( "Min Clearance: %s" ),
MessageTextFromValue( units, clearance ) ),
wxString::Format( _( "(from %s)" ),
source ) );
}
#if 0
// useful for debug only
aList.emplace_back( wxT( "UUID" ), m_Uuid.AsString() );
#endif
}
bool PAD::HitTest( const VECTOR2I& aPosition, int aAccuracy ) const
{
VECTOR2I delta = aPosition - GetPosition();
int boundingRadius = GetBoundingRadius() + aAccuracy;
if( delta.SquaredEuclideanNorm() > SEG::Square( boundingRadius ) )
return false;