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kicad/pcbnew/class_pad.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 1992-2012 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.cpp
* D_PAD class implementation.
*/
#include <fctsys.h>
#include <PolyLine.h>
#include <common.h>
#include <confirm.h>
#include <kicad_string.h>
#include <trigo.h>
#include <richio.h>
#include <wxstruct.h>
#include <macros.h>
#include <msgpanel.h>
#include <base_units.h>
#include <pcbnew.h>
#include <pcbnew_id.h> // ID_TRACK_BUTT
#include <class_board.h>
#include <class_module.h>
#include <polygon_test_point_inside.h>
#include <convert_from_iu.h>
int D_PAD::m_PadSketchModePenSize = 0; // Pen size used to draw pads in sketch mode
D_PAD::D_PAD( MODULE* parent ) :
BOARD_CONNECTED_ITEM( parent, PCB_PAD_T )
{
m_NumPadName = 0;
m_Size.x = m_Size.y = DMils2iu( 600 ); // Default pad size 60 mils.
m_Drill.x = m_Drill.y = DMils2iu( 300 ); // Default drill size 30 mils.
m_Orient = 0; // Pad rotation in 1/10 degrees.
m_LengthPadToDie = 0;
if( m_Parent && m_Parent->Type() == PCB_MODULE_T )
{
m_Pos = GetParent()->GetPosition();
}
SetShape( PAD_CIRCLE ); // Default pad shape is PAD_CIRCLE.
SetDrillShape( PAD_DRILL_CIRCLE ); // Default pad drill shape is a circle.
m_Attribute = PAD_STANDARD; // Default pad type is NORMAL (thru hole)
m_LocalClearance = 0;
m_LocalSolderMaskMargin = 0;
m_LocalSolderPasteMargin = 0;
m_LocalSolderPasteMarginRatio = 0.0;
m_ZoneConnection = UNDEFINED_CONNECTION; // Use parent setting by default
m_ThermalWidth = 0; // Use parent setting by default
m_ThermalGap = 0; // Use parent setting by default
// Set layers mask to default for a standard thru hole pad.
m_layerMask = PAD_STANDARD_DEFAULT_LAYERS;
SetSubRatsnest( 0 ); // used in ratsnest calculations
m_boundingRadius = -1;
}
int D_PAD::boundingRadius() const
{
int x, y;
int radius;
switch( GetShape() )
{
case PAD_CIRCLE:
radius = m_Size.x / 2;
break;
case PAD_OVAL:
radius = std::max( m_Size.x, m_Size.y ) / 2;
break;
case PAD_RECT:
radius = 1 + KiROUND( EuclideanNorm( m_Size ) / 2 );
break;
case PAD_TRAPEZOID:
x = m_Size.x + std::abs( m_DeltaSize.y ); // Remember: m_DeltaSize.y is the m_Size.x change
y = m_Size.y + std::abs( m_DeltaSize.x ); // Remember: m_DeltaSize.x is the m_Size.y change
radius = 1 + KiROUND( hypot( x, y ) / 2 );
break;
default:
radius = 0;
}
return radius;
}
const EDA_RECT D_PAD::GetBoundingBox() const
{
EDA_RECT area;
wxPoint quadrant1, quadrant2, quadrant3, quadrant4;
int x, y, dx, dy;
switch( GetShape() )
{
case PAD_CIRCLE:
area.SetOrigin( m_Pos );
area.Inflate( m_Size.x / 2 );
break;
case PAD_OVAL:
//Use the maximal two most distant points and track their rotation
// (utilise symmetry to avoid four points)
quadrant1.x = m_Size.x/2;
quadrant1.y = 0;
quadrant2.x = 0;
quadrant2.y = m_Size.y/2;
RotatePoint( &quadrant1, m_Orient );
RotatePoint( &quadrant2, m_Orient );
dx = std::max( std::abs( quadrant1.x ) , std::abs( quadrant2.x ) );
dy = std::max( std::abs( quadrant1.y ) , std::abs( quadrant2.y ) );
area.SetOrigin( m_Pos.x-dx, m_Pos.y-dy );
area.SetSize( 2*dx, 2*dy );
break;
break;
case PAD_RECT:
//Use two corners and track their rotation
// (utilise symmetry to avoid four points)
quadrant1.x = m_Size.x/2;
quadrant1.y = m_Size.y/2;
quadrant2.x = -m_Size.x/2;
quadrant2.y = m_Size.y/2;
RotatePoint( &quadrant1, m_Orient );
RotatePoint( &quadrant2, m_Orient );
dx = std::max( std::abs( quadrant1.x ) , std::abs( quadrant2.x ) );
dy = std::max( std::abs( quadrant1.y ) , std::abs( quadrant2.y ) );
area.SetOrigin( m_Pos.x-dx, m_Pos.y-dy );
area.SetSize( 2*dx, 2*dy );
break;
case PAD_TRAPEZOID:
//Use the four corners and track their rotation
// (Trapezoids will not be symmetric)
quadrant1.x = (m_Size.x + m_DeltaSize.y)/2;
quadrant1.y = (m_Size.y - m_DeltaSize.x)/2;
quadrant2.x = -(m_Size.x + m_DeltaSize.y)/2;
quadrant2.y = (m_Size.y + m_DeltaSize.x)/2;
quadrant3.x = -(m_Size.x - m_DeltaSize.y)/2;
quadrant3.y = -(m_Size.y + m_DeltaSize.x)/2;
quadrant4.x = (m_Size.x - m_DeltaSize.y)/2;
quadrant4.y = -(m_Size.y - m_DeltaSize.x)/2;
RotatePoint( &quadrant1, m_Orient );
RotatePoint( &quadrant2, m_Orient );
RotatePoint( &quadrant3, m_Orient );
RotatePoint( &quadrant4, m_Orient );
x = std::min( quadrant1.x, std::min( quadrant2.x, std::min( quadrant3.x, quadrant4.x) ) );
y = std::min( quadrant1.y, std::min( quadrant2.y, std::min( quadrant3.y, quadrant4.y) ) );
dx = std::max( quadrant1.x, std::max( quadrant2.x, std::max( quadrant3.x, quadrant4.x) ) );
dy = std::max( quadrant1.y, std::max( quadrant2.y, std::max( quadrant3.y, quadrant4.y) ) );
area.SetOrigin( m_Pos.x+x, m_Pos.y+y );
area.SetSize( dx-x, dy-y );
break;
default:
break;
}
return area;
}
void D_PAD::SetAttribute( PAD_ATTR_T aAttribute )
{
m_Attribute = aAttribute;
if( aAttribute == PAD_SMD )
m_Drill = wxSize( 0, 0 );
}
void D_PAD::SetOrientation( double aAngle )
{
NORMALIZE_ANGLE_POS( aAngle );
m_Orient = aAngle;
}
void D_PAD::Flip( const wxPoint& aCentre )
{
int y = GetPosition().y - aCentre.y;
y = -y; // invert about x axis.
y += aCentre.y;
SetY( y );
NEGATE( m_Pos0.y );
NEGATE( m_Offset.y );
NEGATE( m_DeltaSize.y );
SetOrientation( -GetOrientation() );
// flip pads layers
SetLayerMask( FlipLayerMask( m_layerMask ) );
// m_boundingRadius = -1; the shape has not been changed
}
void D_PAD::AppendConfigs( PARAM_CFG_ARRAY* aResult )
{
// Parameters stored in config are only significant parameters
// for a template.
// So not all parameters are stored, just few.
aResult->push_back( new PARAM_CFG_INT_WITH_SCALE( wxT( "PadDrill" ),
&m_Drill.x,
Millimeter2iu( 0.6 ),
Millimeter2iu( 0.1 ), Millimeter2iu( 10.0 ),
NULL, MM_PER_IU ) );
aResult->push_back( new PARAM_CFG_INT_WITH_SCALE( wxT( "PadDrillOvalY" ),
&m_Drill.y,
Millimeter2iu( 0.6 ),
Millimeter2iu( 0.1 ), Millimeter2iu( 10.0 ),
NULL, MM_PER_IU ) );
aResult->push_back( new PARAM_CFG_INT_WITH_SCALE( wxT( "PadSizeH" ),
&m_Size.x,
Millimeter2iu( 1.4 ),
Millimeter2iu( 0.1 ), Millimeter2iu( 20.0 ),
NULL, MM_PER_IU ) );
aResult->push_back( new PARAM_CFG_INT_WITH_SCALE( wxT( "PadSizeV" ),
&m_Size.y,
Millimeter2iu( 1.4 ),
Millimeter2iu( 0.1 ), Millimeter2iu( 20.0 ),
NULL, MM_PER_IU ) );
}
// Returns the position of the pad.
const wxPoint D_PAD::ShapePos() const
{
if( m_Offset.x == 0 && m_Offset.y == 0 )
return m_Pos;
wxPoint shape_pos;
int dX, dY;
dX = m_Offset.x;
dY = m_Offset.y;
RotatePoint( &dX, &dY, m_Orient );
shape_pos.x = m_Pos.x + dX;
shape_pos.y = m_Pos.y + dY;
return shape_pos;
}
const wxString D_PAD::GetPadName() const
{
#if 0 // m_Padname is not ASCII and not UTF8, it is LATIN1 basically, whatever
// 8 bit font is supported in KiCad plotting and drawing.
// Return pad name as wxString, assume it starts as a non-terminated
// utf8 character sequence
char temp[sizeof(m_Padname)+1]; // a place to terminate with '\0'
strncpy( temp, m_Padname, sizeof(m_Padname) );
temp[sizeof(m_Padname)] = 0;
return FROM_UTF8( temp );
#else
wxString name;
StringPadName( name );
return name;
#endif
}
void D_PAD::StringPadName( wxString& text ) const
{
#if 0 // m_Padname is not ASCII and not UTF8, it is LATIN1 basically, whatever
// 8 bit font is supported in KiCad plotting and drawing.
// Return pad name as wxString, assume it starts as a non-terminated
// utf8 character sequence
char temp[sizeof(m_Padname)+1]; // a place to terminate with '\0'
strncpy( temp, m_Padname, sizeof(m_Padname) );
temp[sizeof(m_Padname)] = 0;
text = FROM_UTF8( temp );
#else
text.Empty();
for( int ii = 0; ii < PADNAMEZ && m_Padname[ii]; ii++ )
{
// m_Padname is 8 bit KiCad font junk, do not sign extend
text.Append( (unsigned char) m_Padname[ii] );
}
#endif
}
// Change pad name
void D_PAD::SetPadName( const wxString& name )
{
int ii, len;
len = name.Length();
if( len > PADNAMEZ )
len = PADNAMEZ;
// m_Padname[] is not UTF8, it is an 8 bit character that matches the KiCad font,
// so only copy the lower 8 bits of each character.
for( ii = 0; ii < len; ii++ )
m_Padname[ii] = (char) name.GetChar( ii );
for( ii = len; ii < PADNAMEZ; ii++ )
m_Padname[ii] = '\0';
}
void D_PAD::Copy( D_PAD* source )
{
if( source == NULL )
return;
m_Pos = source->m_Pos;
m_layerMask = source->m_layerMask;
m_NumPadName = source->m_NumPadName;
m_netinfo = source->m_netinfo;
m_Drill = source->m_Drill;
m_drillShape = source->m_drillShape;
m_Offset = source->m_Offset;
m_Size = source->m_Size;
m_DeltaSize = source->m_DeltaSize;
m_Pos0 = source->m_Pos0;
m_boundingRadius = source->m_boundingRadius;
m_padShape = source->m_padShape;
m_Attribute = source->m_Attribute;
m_Orient = source->m_Orient;
m_LengthPadToDie = source->m_LengthPadToDie;
m_LocalClearance = source->m_LocalClearance;
m_LocalSolderMaskMargin = source->m_LocalSolderMaskMargin;
m_LocalSolderPasteMargin = source->m_LocalSolderPasteMargin;
m_LocalSolderPasteMarginRatio = source->m_LocalSolderPasteMarginRatio;
m_ZoneConnection = source->m_ZoneConnection;
m_ThermalWidth = source->m_ThermalWidth;
m_ThermalGap = source->m_ThermalGap;
SetSubRatsnest( 0 );
SetSubNet( 0 );
}
void D_PAD::CopyNetlistSettings( D_PAD* aPad )
{
// Don't do anything foolish like trying to copy to yourself.
wxCHECK_RET( aPad != NULL && aPad != this, wxT( "Cannot copy to NULL or yourself." ) );
aPad->SetNetCode( GetNetCode() );
aPad->SetLocalClearance( m_LocalClearance );
aPad->SetLocalSolderMaskMargin( m_LocalSolderMaskMargin );
aPad->SetLocalSolderPasteMargin( m_LocalSolderPasteMargin );
aPad->SetLocalSolderPasteMarginRatio( m_LocalSolderPasteMarginRatio );
aPad->SetZoneConnection( m_ZoneConnection );
aPad->SetThermalWidth( m_ThermalWidth );
aPad->SetThermalGap( m_ThermalGap );
}
int D_PAD::GetClearance( BOARD_CONNECTED_ITEM* aItem ) const
{
// A pad can have specific clearance parameters that
// overrides its NETCLASS clearance value
int clearance = m_LocalClearance;
if( clearance == 0 )
{
// If local clearance is 0, use the parent footprint clearance value
if( GetParent() && GetParent()->GetLocalClearance() )
clearance = GetParent()->GetLocalClearance();
}
if( clearance == 0 ) // If the parent footprint clearance value = 0, use NETCLASS value
return BOARD_CONNECTED_ITEM::GetClearance( aItem );
// We have a specific clearance.
// if aItem, return the biggest clearance
if( aItem )
{
int hisClearance = aItem->GetClearance();
return std::max( hisClearance, clearance );
}
// Return the specific clearance.
return clearance;
}
// Mask margins handling:
int D_PAD::GetSolderMaskMargin() const
{
int margin = m_LocalSolderMaskMargin;
MODULE* module = GetParent();
if( module )
{
if( margin == 0 )
{
if( module->GetLocalSolderMaskMargin() )
margin = module->GetLocalSolderMaskMargin();
}
if( margin == 0 )
{
BOARD* brd = GetBoard();
margin = brd->GetDesignSettings().m_SolderMaskMargin;
}
}
// 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;
}
wxSize D_PAD::GetSolderPasteMargin() const
{
int margin = m_LocalSolderPasteMargin;
double mratio = m_LocalSolderPasteMarginRatio;
MODULE* module = GetParent();
if( module )
{
if( margin == 0 )
margin = module->GetLocalSolderPasteMargin();
BOARD * brd = GetBoard();
if( margin == 0 )
margin = brd->GetDesignSettings().m_SolderPasteMargin;
if( mratio == 0.0 )
mratio = module->GetLocalSolderPasteMarginRatio();
if( mratio == 0.0 )
{
mratio = brd->GetDesignSettings().m_SolderPasteMarginRatio;
}
}
wxSize 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;
}
ZoneConnection D_PAD::GetZoneConnection() const
{
MODULE* module = (MODULE*) GetParent();
if( m_ZoneConnection == UNDEFINED_CONNECTION && module )
return module->GetZoneConnection();
else
return m_ZoneConnection;
}
int D_PAD::GetThermalWidth() const
{
MODULE* module = (MODULE*) GetParent();
if( m_ThermalWidth == 0 && module )
return module->GetThermalWidth();
else
return m_ThermalWidth;
}
int D_PAD::GetThermalGap() const
{
MODULE* module = (MODULE*) GetParent();
if( m_ThermalGap == 0 && module )
return module->GetThermalGap();
else
return m_ThermalGap;
}
void D_PAD::GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM>& aList )
{
MODULE* module;
wxString Line;
BOARD* board;
module = (MODULE*) m_Parent;
if( module )
{
wxString msg = module->GetReference();
aList.push_back( MSG_PANEL_ITEM( _( "Module" ), msg, DARKCYAN ) );
StringPadName( Line );
aList.push_back( MSG_PANEL_ITEM( _( "Pad" ), Line, BROWN ) );
}
aList.push_back( MSG_PANEL_ITEM( _( "Net" ), GetNetname(), DARKCYAN ) );
/* For test and debug only: display m_physical_connexion and
* m_logical_connexion */
#if 1 // Used only to debug connectivity calculations
Line.Printf( wxT( "%d-%d-%d " ), GetSubRatsnest(), GetSubNet(), GetZoneSubNet() );
aList.push_back( MSG_PANEL_ITEM( wxT( "L-P-Z" ), Line, DARKGREEN ) );
#endif
board = GetBoard();
aList.push_back( MSG_PANEL_ITEM( _( "Layer" ),
LayerMaskDescribe( board, m_layerMask ), DARKGREEN ) );
aList.push_back( MSG_PANEL_ITEM( ShowPadShape(), ShowPadAttr(), DARKGREEN ) );
Line = ::CoordinateToString( m_Size.x );
aList.push_back( MSG_PANEL_ITEM( _( "H Size" ), Line, RED ) );
Line = ::CoordinateToString( m_Size.y );
aList.push_back( MSG_PANEL_ITEM( _( "V Size" ), Line, RED ) );
Line = ::CoordinateToString( (unsigned) m_Drill.x );
if( GetDrillShape() == PAD_DRILL_CIRCLE )
{
aList.push_back( MSG_PANEL_ITEM( _( "Drill" ), Line, RED ) );
}
else
{
Line = ::CoordinateToString( (unsigned) m_Drill.x );
wxString msg;
msg = ::CoordinateToString( (unsigned) m_Drill.y );
Line += wxT( "/" ) + msg;
aList.push_back( MSG_PANEL_ITEM( _( "Drill X / Y" ), Line, RED ) );
}
double module_orient = module ? module->GetOrientation() : 0;
if( module_orient )
Line.Printf( wxT( "%3.1f(+%3.1f)" ),
( m_Orient - module_orient ) / 10.0,
module_orient / 10.0 );
else
Line.Printf( wxT( "%3.1f" ), m_Orient / 10.0 );
aList.push_back( MSG_PANEL_ITEM( _( "Orient" ), Line, LIGHTBLUE ) );
Line = ::CoordinateToString( m_Pos.x );
aList.push_back( MSG_PANEL_ITEM( _( "X Pos" ), Line, LIGHTBLUE ) );
Line = ::CoordinateToString( m_Pos.y );
aList.push_back( MSG_PANEL_ITEM( _( "Y pos" ), Line, LIGHTBLUE ) );
if( GetPadToDieLength() )
{
Line = ::CoordinateToString( GetPadToDieLength() );
aList.push_back( MSG_PANEL_ITEM( _( "Length in package" ), Line, CYAN ) );
}
}
// see class_pad.h
bool D_PAD::IsOnLayer( LAYER_NUM aLayer ) const
{
return ::GetLayerMask( aLayer ) & m_layerMask;
}
bool D_PAD::HitTest( const wxPoint& aPosition ) const
{
int dx, dy;
wxPoint shape_pos = ShapePos();
wxPoint delta = aPosition - shape_pos;
// first test: a test point must be inside a minimum sized bounding circle.
int radius = GetBoundingRadius();
if( ( abs( delta.x ) > radius ) || ( abs( delta.y ) > radius ) )
return false;
dx = m_Size.x >> 1; // dx also is the radius for rounded pads
dy = m_Size.y >> 1;
switch( GetShape() )
{
case PAD_CIRCLE:
if( KiROUND( EuclideanNorm( delta ) ) <= dx )
return true;
break;
case PAD_TRAPEZOID:
{
wxPoint poly[4];
BuildPadPolygon( poly, wxSize(0,0), 0 );
RotatePoint( &delta, -m_Orient );
return TestPointInsidePolygon( poly, 4, delta );
}
case PAD_OVAL:
{
RotatePoint( &delta, -m_Orient );
// An oval pad has the same shape as a segment with rounded ends
// After rotation, the test point is relative to an horizontal pad
int dist;
wxPoint offset;
if( dy > dx ) // shape is a vertical oval
{
offset.y = dy - dx;
dist = dx;
}
else //if( dy <= dx ) shape is an horizontal oval
{
offset.x = dy - dx;
dist = dy;
}
return TestSegmentHit( delta, - offset, offset, dist );
}
break;
case PAD_RECT:
RotatePoint( &delta, -m_Orient );
if( (abs( delta.x ) <= dx ) && (abs( delta.y ) <= dy) )
return true;
break;
}
return false;
}
int D_PAD::Compare( const D_PAD* padref, const D_PAD* padcmp )
{
int diff;
if( ( diff = padref->GetShape() - padcmp->GetShape() ) != 0 )
return diff;
if( ( diff = padref->GetDrillShape() - padcmp->GetDrillShape() ) != 0)
return diff;
if( ( diff = padref->m_Drill.x - padcmp->m_Drill.x ) != 0 )
return diff;
if( ( diff = padref->m_Drill.y - padcmp->m_Drill.y ) != 0 )
return diff;
if( ( diff = padref->m_Size.x - padcmp->m_Size.x ) != 0 )
return diff;
if( ( diff = padref->m_Size.y - padcmp->m_Size.y ) != 0 )
return diff;
if( ( diff = padref->m_Offset.x - padcmp->m_Offset.x ) != 0 )
return diff;
if( ( diff = padref->m_Offset.y - padcmp->m_Offset.y ) != 0 )
return diff;
if( ( diff = padref->m_DeltaSize.x - padcmp->m_DeltaSize.x ) != 0 )
return diff;
if( ( diff = padref->m_DeltaSize.y - padcmp->m_DeltaSize.y ) != 0 )
return diff;
// Dick: specctra_export needs this
// Lorenzo: gencad also needs it to implement padstacks!
if( ( diff = padref->m_layerMask - padcmp->m_layerMask ) != 0 )
return diff;
return 0;
}
wxString D_PAD::ShowPadShape() const
{
switch( GetShape() )
{
case PAD_CIRCLE:
return _( "Circle" );
case PAD_OVAL:
return _( "Oval" );
case PAD_RECT:
return _( "Rect" );
case PAD_TRAPEZOID:
return _( "Trap" );
default:
return wxT( "???" );
}
}
wxString D_PAD::ShowPadAttr() const
{
switch( GetAttribute() )
{
case PAD_STANDARD:
return _( "Std" );
case PAD_SMD:
return _( "SMD" );
case PAD_CONN:
return _( "Conn" );
case PAD_HOLE_NOT_PLATED:
return _( "Not Plated" );
default:
return wxT( "???" );
}
}
wxString D_PAD::GetSelectMenuText() const
{
wxString text;
wxString padlayers( LayerMaskDescribe( GetBoard(), m_layerMask ) );
wxString padname( GetPadName() );
if( padname.IsEmpty() )
{
text.Printf( _( "Pad on %s of %s" ),
GetChars( padlayers ),
GetChars(( (MODULE*) GetParent() )->GetReference() ) );
}
else
{
text.Printf( _( "Pad %s on %s of %s" ),
GetChars(GetPadName() ), GetChars( padlayers ),
GetChars(( (MODULE*) GetParent() )->GetReference() ) );
}
return text;
}
EDA_ITEM* D_PAD::Clone() const
{
return new D_PAD( *this );
}
void D_PAD::ViewGetLayers( int aLayers[], int& aCount ) const
{
aCount = 0;
// These types of pads contain a hole
if( m_Attribute == PAD_STANDARD || m_Attribute == PAD_HOLE_NOT_PLATED )
aLayers[aCount++] = ITEM_GAL_LAYER( PADS_HOLES_VISIBLE );
if( IsOnLayer( LAYER_N_FRONT ) && IsOnLayer( LAYER_N_BACK ) )
{
// Multi layer pad
aLayers[aCount++] = ITEM_GAL_LAYER( PADS_VISIBLE );
aLayers[aCount++] = NETNAMES_GAL_LAYER( PADS_NETNAMES_VISIBLE );
}
else if( IsOnLayer( LAYER_N_FRONT ) )
{
aLayers[aCount++] = ITEM_GAL_LAYER( PAD_FR_VISIBLE );
aLayers[aCount++] = NETNAMES_GAL_LAYER( PAD_FR_NETNAMES_VISIBLE );
}
else if( IsOnLayer( LAYER_N_BACK ) )
{
aLayers[aCount++] = ITEM_GAL_LAYER( PAD_BK_VISIBLE );
aLayers[aCount++] = NETNAMES_GAL_LAYER( PAD_BK_NETNAMES_VISIBLE );
}
if( IsOnLayer( SOLDERMASK_N_FRONT ) )
aLayers[aCount++] = SOLDERMASK_N_FRONT;
if( IsOnLayer( SOLDERMASK_N_BACK ) )
aLayers[aCount++] = SOLDERMASK_N_BACK;
if( IsOnLayer( SOLDERPASTE_N_FRONT ) )
aLayers[aCount++] = SOLDERPASTE_N_FRONT;
if( IsOnLayer( SOLDERPASTE_N_BACK ) )
aLayers[aCount++] = SOLDERPASTE_N_BACK;
if( IsOnLayer( ADHESIVE_N_BACK ) )
aLayers[aCount++] = ADHESIVE_N_BACK;
if( IsOnLayer( ADHESIVE_N_FRONT ) )
aLayers[aCount++] = ADHESIVE_N_FRONT;
#ifdef __WXDEBUG__
if( aCount == 0 ) // Should not occur
{
wxLogWarning( wxT("D_PAD::ViewGetLayers():PAD has no layer") );
}
#endif
}
unsigned int D_PAD::ViewGetLOD( int aLayer ) const
{
// Netnames and soldermasks will be shown only if zoom is appropriate
if( IsNetnameLayer( aLayer ) )
{
return ( 100000000 / std::max( m_Size.x, m_Size.y ) );
}
// Other layers are shown without any conditions
return 0;
}
const BOX2I D_PAD::ViewBBox() const
{
// Bounding box includes soldermask too
int solderMaskMargin = GetSolderMaskMargin();
VECTOR2I solderPasteMargin = VECTOR2D( GetSolderPasteMargin() );
EDA_RECT bbox = GetBoundingBox();
// Look for the biggest possible bounding box
int xMargin = std::max( solderMaskMargin, solderPasteMargin.x );
int yMargin = std::max( solderMaskMargin, solderPasteMargin.y );
return BOX2I( VECTOR2I( bbox.GetOrigin() ) - VECTOR2I( xMargin, yMargin ),
VECTOR2I( bbox.GetSize() ) + VECTOR2I( 2 * xMargin, 2 * yMargin ) );
}
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