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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) 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
*/
/**
* @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 <protos.h>
#include <richio.h>
#include <wxstruct.h>
#include <macros.h>
#include <pcbnew.h>
#include <pcbnew_id.h> // ID_TRACK_BUTT
#include <class_board.h>
#include <class_module.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 = 500; // give it a reasonable size
m_Orient = 0; // Pad rotation in 1/10 degrees
m_LengthDie = 0;
if( m_Parent && m_Parent->Type() == PCB_MODULE_T )
{
m_Pos = GetParent()->GetPosition();
}
m_PadShape = PAD_CIRCLE; // Shape: PAD_CIRCLE, PAD_RECT PAD_OVAL
// PAD_TRAPEZOID
m_Attribute = PAD_STANDARD; // Type: NORMAL, PAD_SMD, PAD_CONN
m_DrillShape = PAD_CIRCLE; // Drill shape = circle
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 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 = MAX( m_Size.x, m_Size.y ) / 2;
break;
case PAD_RECT:
radius = 1 + (int) ( sqrt( (double) m_Size.y * m_Size.y
+ (double) m_Size.x * m_Size.x ) / 2 );
break;
case PAD_TRAPEZOID:
x = m_Size.x + ABS( m_DeltaSize.y ); // Remember: m_DeltaSize.y is the m_Size.x change
y = m_Size.y + ABS( m_DeltaSize.x ); // Remember: m_DeltaSize.x is the m_Size.y change
radius = 1 + (int) ( sqrt( (double) y * y + (double) x * x ) / 2 );
break;
default:
radius = 0;
}
return radius;
}
EDA_RECT D_PAD::GetBoundingBox() const
{
EDA_RECT area;
// radius of pad area, enclosed in minimum sized circle
int radius = boundingRadius();
area.SetOrigin( m_Pos );
area.Inflate( radius );
return area;
}
void D_PAD::SetOrientation( double aAngle )
{
NORMALIZE_ANGLE_POS( aAngle );
m_Orient = aAngle;
}
void D_PAD::Flip( int aTranslationY )
{
int y = GetPosition().y - aTranslationY;
y = -y; // invert about x axis.
y += aTranslationY;
SetY( y );
NEGATE( m_Pos0.y );
NEGATE( m_Offset.y );
NEGATE( m_DeltaSize.y );
SetOrientation( -GetOrientation() );
// flip pads layers
SetLayerMask( ChangeSideMaskLayer( m_layerMask ) );
// m_boundingRadius = -1; the shape has not been changed
}
void D_PAD::AppendConfigs( PARAM_CFG_ARRAY* aResult )
{
aResult->push_back( new PARAM_CFG_INT( wxT( "PadDrlX" ), &m_Drill.x,
320, 0, 0x7FFF ) );
aResult->push_back( new PARAM_CFG_INT( wxT( "PadDimH" ), &m_Size.x,
550, 0, 0x7FFF ) );
aResult->push_back( new PARAM_CFG_INT( wxT( "PadDimV" ), &m_Size.y,
550, 0, 0x7FFF ) );
}
// Returns the position of the pad.
const wxPoint D_PAD::ReturnShapePos() 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;
ReturnStringPadName( name );
return name;
#endif
}
void D_PAD::ReturnStringPadName( 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';
}
/**
* Function SetNetname
* @param aNetname: the new netname
*/
void D_PAD::SetNetname( const wxString& aNetname )
{
m_Netname = aNetname;
m_ShortNetname = m_Netname.AfterLast( '/' );
}
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;
SetNet( source->GetNet() );
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_LengthDie = source->m_LengthDie;
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 );
m_Netname = source->m_Netname;
m_ShortNetname = source->m_ShortNetname;
}
/**
* Function GetClearance (virtual)
* 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 object clearance is returned.
* @param aItem is another BOARD_CONNECTED_ITEM or NULL
* @return int - the clearance in internal units.
*/
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 max( hisClearance, clearance );
}
// Return the specific clearance.
return clearance;
}
// Mask margins handling:
/**
* 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
*/
int D_PAD::GetSolderMaskMargin()
{
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 = -MIN( m_Size.x, m_Size.y ) / 2;
if( margin < minsize )
minsize = minsize;
}
return margin;
}
/**
* Function GetSolderPasteMargin
* @return the margin for the solder mask layer
* usually < 0 (mask shape smaller than pad
* value is
* 1 - the local value
* 2 - if null, the parent footprint value
* 1 - if null, the global value
*/
wxSize D_PAD::GetSolderPasteMargin()
{
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::DisplayInfo( EDA_DRAW_FRAME* frame )
{
MODULE* module;
wxString Line;
BOARD* board;
frame->EraseMsgBox();
module = (MODULE*) m_Parent;
if( module )
{
wxString msg = module->GetReference();
frame->AppendMsgPanel( _( "Module" ), msg, DARKCYAN );
ReturnStringPadName( Line );
frame->AppendMsgPanel( _( "RefP" ), Line, BROWN );
}
frame->AppendMsgPanel( _( "Net" ), m_Netname, 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() );
frame->AppendMsgPanel( wxT( "L-P-Z" ), Line, DARKGREEN );
#endif
board = GetBoard();
wxString layerInfo;
if( (m_layerMask & ALL_CU_LAYERS) == 0 ) // pad is not on any copper layers
{
switch( m_layerMask & ~ALL_CU_LAYERS )
{
case ADHESIVE_LAYER_BACK:
layerInfo = board->GetLayerName( ADHESIVE_N_BACK );
break;
case ADHESIVE_LAYER_FRONT:
layerInfo = board->GetLayerName( ADHESIVE_N_FRONT );
break;
case SOLDERPASTE_LAYER_BACK:
layerInfo = board->GetLayerName( SOLDERPASTE_N_BACK );
break;
case SOLDERPASTE_LAYER_FRONT:
layerInfo = board->GetLayerName( SOLDERPASTE_N_FRONT );
break;
case SILKSCREEN_LAYER_BACK:
layerInfo = board->GetLayerName( SILKSCREEN_N_BACK );
break;
case SILKSCREEN_LAYER_FRONT:
layerInfo = board->GetLayerName( SILKSCREEN_N_FRONT );
break;
case SOLDERMASK_LAYER_BACK:
layerInfo = board->GetLayerName( SOLDERMASK_N_BACK );
break;
case SOLDERMASK_LAYER_FRONT:
layerInfo = board->GetLayerName( SOLDERMASK_N_FRONT );
break;
case DRAW_LAYER:
layerInfo = board->GetLayerName( DRAW_N );
break;
case COMMENT_LAYER:
layerInfo = board->GetLayerName( COMMENT_N );
break;
case ECO1_LAYER:
layerInfo = board->GetLayerName( ECO1_N );
break;
case ECO2_LAYER:
layerInfo = board->GetLayerName( ECO2_N );
break;
case EDGE_LAYER:
layerInfo = board->GetLayerName( EDGE_N );
break;
default:
layerInfo = _( "Non-copper" );
break;
}
}
else
{
#define INTERIOR_COPPER (ALL_CU_LAYERS & ~(LAYER_BACK | LAYER_FRONT))
static const wxChar* andInternal = _( " & int" );
if( (m_layerMask & (LAYER_BACK | LAYER_FRONT)) == LAYER_BACK )
{
layerInfo = board->GetLayerName( LAYER_N_BACK );
if( m_layerMask & INTERIOR_COPPER )
layerInfo += andInternal;
}
else if( (m_layerMask & (LAYER_BACK | LAYER_FRONT)) == (LAYER_BACK | LAYER_FRONT) )
{
layerInfo = board->GetLayerName( LAYER_N_BACK ) + wxT(", ") +
board->GetLayerName( LAYER_N_FRONT );
if( m_layerMask & INTERIOR_COPPER )
layerInfo += andInternal;
}
else if( (m_layerMask & (LAYER_BACK | LAYER_FRONT)) == LAYER_FRONT )
{
layerInfo = board->GetLayerName( LAYER_N_FRONT );
if( m_layerMask & INTERIOR_COPPER )
layerInfo += andInternal;
}
else // necessarily true: if( m_layerMask & INTERIOR_COPPER )
{
layerInfo = _( "internal" );
}
}
frame->AppendMsgPanel( _( "Layer" ), layerInfo, DARKGREEN );
frame->AppendMsgPanel( ShowPadShape(), ShowPadAttr(), DARKGREEN );
Line = frame->CoordinateToString( m_Size.x );
frame->AppendMsgPanel( _( "H Size" ), Line, RED );
Line = frame->CoordinateToString( m_Size.y );
frame->AppendMsgPanel( _( "V Size" ), Line, RED );
Line = frame->CoordinateToString( (unsigned) m_Drill.x );
if( m_DrillShape == PAD_CIRCLE )
{
frame->AppendMsgPanel( _( "Drill" ), Line, RED );
}
else
{
Line = frame->CoordinateToString( (unsigned) m_Drill.x );
wxString msg;
Line = frame->CoordinateToString( (unsigned) m_Drill.y );
Line += wxT( " / " ) + msg;
frame->AppendMsgPanel( _( "Drill X / Y" ), Line, RED );
}
int module_orient = module ? module->GetOrientation() : 0;
if( module_orient )
Line.Printf( wxT( "%3.1f(+%3.1f)" ),
(float) ( m_Orient - module_orient ) / 10,
(float) module_orient / 10 );
else
Line.Printf( wxT( "%3.1f" ), (float) m_Orient / 10 );
frame->AppendMsgPanel( _( "Orient" ), Line, LIGHTBLUE );
Line = frame->CoordinateToString( m_Pos.x );
frame->AppendMsgPanel( _( "X Pos" ), Line, LIGHTBLUE );
Line = frame->CoordinateToString( m_Pos.y );
frame->AppendMsgPanel( _( "Y pos" ), Line, LIGHTBLUE );
if( GetDieLength() )
{
Line = frame->CoordinateToString( GetDieLength() );
frame->AppendMsgPanel( _( "Length on die" ), Line, CYAN );
}
}
// see class_pad.h
bool D_PAD::IsOnLayer( int aLayer ) const
{
return (1 << aLayer) & m_layerMask;
}
bool D_PAD::HitTest( const wxPoint& aPosition )
{
int dx, dy;
double dist;
wxPoint shape_pos = ReturnShapePos();
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( m_PadShape & 0x7F )
{
case PAD_CIRCLE:
dist = hypot( delta.x, delta.y );
if( KiROUND( dist ) <= 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 );
}
default:
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->m_PadShape - padcmp->m_PadShape ) != 0 )
return diff;
if( ( diff = padref->m_DrillShape - padcmp->m_DrillShape ) != 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( m_PadShape )
{
case PAD_CIRCLE:
return _( "Circle" );
case PAD_OVAL:
return _( "Oval" );
case PAD_RECT:
return _( "Rect" );
case PAD_TRAPEZOID:
return _( "Trap" );
default:
return wxT( "??Unknown??" );
}
}
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( "??Unkown??" );
}
}
wxString D_PAD::GetSelectMenuText() const
{
wxString text;
wxString padlayers;
BOARD * board = GetBoard();
if ( (m_layerMask & ALL_CU_LAYERS) == ALL_CU_LAYERS )
padlayers = _("all copper layers");
else if( (m_layerMask & LAYER_BACK ) == LAYER_BACK )
padlayers = board->GetLayerName(LAYER_N_BACK);
else if( (m_layerMask & LAYER_FRONT) == LAYER_FRONT )
padlayers = board->GetLayerName(LAYER_N_FRONT);
else
padlayers = _( "???" );
text.Printf( _( "Pad [%s] (%s) of %s" ),
GetChars(GetPadName() ), GetChars( padlayers ),
GetChars(( (MODULE*) GetParent() )->GetReference() ) );
return text;
}
EDA_ITEM* D_PAD::Clone() const
{
return new D_PAD( *this );
}
#if defined(DEBUG)
void D_PAD::Show( int nestLevel, std::ostream& os ) const
{
char padname[5] = { m_Padname[0], m_Padname[1], m_Padname[2], m_Padname[3], 0 };
char layerMask[16];
sprintf( layerMask, "0x%08X", m_layerMask );
// for now, make it look like XML:
NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str() <<
" shape=\"" << ShowPadShape() << '"' <<
" attr=\"" << ShowPadAttr( ) << '"' <<
" num=\"" << padname << '"' <<
" net=\"" << m_Netname.mb_str() << '"' <<
" netcode=\"" << GetNet() << '"' <<
" layerMask=\"" << layerMask << '"' << m_Pos << "/>\n";
// NestedSpace( nestLevel+1, os ) << m_Text.mb_str() << '\n';
// NestedSpace( nestLevel, os ) << "</" << GetClass().Lower().mb_str()
// << ">\n";
}
#endif
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