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kicad/eeschema/sch_line.cpp

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C++
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/******************/
/* Class SCH_LINE */
/******************/
#include "fctsys.h"
#include "gr_basic.h"
#include "macros.h"
#include "class_drawpanel.h"
#include "trigo.h"
#include "richio.h"
#include "plot_common.h"
#include "general.h"
#include "protos.h"
#include "sch_line.h"
#include <boost/foreach.hpp>
SCH_LINE::SCH_LINE( const wxPoint& pos, int layer ) :
SCH_ITEM( NULL, SCH_LINE_T )
{
m_Start = pos;
m_End = pos;
m_Width = 0; // Default thickness used
m_StartIsDangling = m_EndIsDangling = FALSE;
switch( layer )
{
default:
m_Layer = LAYER_NOTES;
break;
case LAYER_WIRE:
m_Layer = LAYER_WIRE;
break;
case LAYER_BUS:
m_Layer = LAYER_BUS;
break;
}
}
SCH_LINE::SCH_LINE( const SCH_LINE& aLine ) :
SCH_ITEM( aLine )
{
m_Start = aLine.m_Start;
m_End = aLine.m_End;
m_Width = aLine.m_Width;
m_StartIsDangling = m_EndIsDangling = false;
}
EDA_ITEM* SCH_LINE::doClone() const
{
return new SCH_LINE( *this );
}
void SCH_LINE::Move( const wxPoint& aOffset )
{
if( (m_Flags & STARTPOINT) == 0 && aOffset != wxPoint( 0, 0 ) )
{
m_Start += aOffset;
SetModified();
}
if( (m_Flags & ENDPOINT) == 0 && aOffset != wxPoint( 0, 0 ) )
{
m_End += aOffset;
SetModified();
}
}
#if defined(DEBUG)
void SCH_LINE::Show( int nestLevel, std::ostream& os ) const
{
NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str()
<< " layer=\"" << m_Layer << '"'
<< " width=\"" << m_Width << '"'
<< " startIsDangling=\"" << m_StartIsDangling
<< '"' << " endIsDangling=\""
<< m_EndIsDangling << '"' << ">"
<< " <start" << m_Start << "/>"
<< " <end" << m_End << "/>" << "</"
<< GetClass().Lower().mb_str() << ">\n";
}
#endif
EDA_RECT SCH_LINE::GetBoundingBox() const
{
int width = 25;
int xmin = MIN( m_Start.x, m_End.x ) - width;
int ymin = MIN( m_Start.y, m_End.y ) - width;
int xmax = MAX( m_Start.x, m_End.x ) + width;
int ymax = MAX( m_Start.y, m_End.y ) + width;
// return a rectangle which is [pos,dim) in nature. therefore the +1
EDA_RECT ret( wxPoint( xmin, ymin ), wxSize( xmax - xmin + 1, ymax - ymin + 1 ) );
return ret;
}
double SCH_LINE::GetLength() const
{
return GetLineLength( m_Start, m_End );
}
bool SCH_LINE::Save( FILE* aFile ) const
{
bool success = true;
const char* layer = "Notes";
const char* width = "Line";
if( GetLayer() == LAYER_WIRE )
layer = "Wire";
if( GetLayer() == LAYER_BUS )
layer = "Bus";
if( fprintf( aFile, "Wire %s %s\n", layer, width ) == EOF )
{
success = false;
}
if( fprintf( aFile, "\t%-4d %-4d %-4d %-4d\n", m_Start.x, m_Start.y,
m_End.x, m_End.y ) == EOF )
{
success = false;
}
return success;
}
bool SCH_LINE::Load( LINE_READER& aLine, wxString& aErrorMsg )
{
char Name1[256];
char Name2[256];
char* line = (char*) aLine;
while( (*line != ' ' ) && *line )
line++;
if( sscanf( line, "%s %s", Name1, Name2 ) != 2 )
{
aErrorMsg.Printf( wxT( "EESchema file segment error at line %d, aborted" ),
aLine.LineNumber() );
aErrorMsg << wxT( "\n" ) << FROM_UTF8( (char*) aLine );
return false;
}
m_Layer = LAYER_NOTES;
if( Name1[0] == 'W' )
m_Layer = LAYER_WIRE;
if( Name1[0] == 'B' )
m_Layer = LAYER_BUS;
if( !aLine.ReadLine() || sscanf( (char*) aLine, "%d %d %d %d ",
&m_Start.x, &m_Start.y, &m_End.x, &m_End.y ) != 4 )
{
aErrorMsg.Printf( wxT( "EESchema file Segment struct error at line %d, aborted" ),
aLine.LineNumber() );
aErrorMsg << wxT( "\n" ) << FROM_UTF8( (char*) aLine );
return false;
}
return true;
}
int SCH_LINE::GetPenSize() const
{
int pensize = ( m_Width == 0 ) ? g_DrawDefaultLineThickness : m_Width;
if( m_Layer == LAYER_BUS && m_Width == 0 )
{
pensize = wxRound( g_DrawDefaultLineThickness * BUS_WIDTH_EXPAND );
pensize = MAX( pensize, 3 );
}
return pensize;
}
void SCH_LINE::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, const wxPoint& offset,
int DrawMode, int Color )
{
int color;
int width = GetPenSize();
if( Color >= 0 )
color = Color;
else
color = ReturnLayerColor( m_Layer );
GRSetDrawMode( DC, DrawMode );
wxPoint start = m_Start;
wxPoint end = m_End;
if( ( m_Flags & STARTPOINT ) == 0 )
start += offset;
if( ( m_Flags & ENDPOINT ) == 0 )
end += offset;
if( m_Layer == LAYER_NOTES )
GRDashedLine( &panel->m_ClipBox, DC, start.x, start.y, end.x, end.y, width, color );
else
GRLine( &panel->m_ClipBox, DC, start, end, width, color );
if( m_StartIsDangling )
DrawDanglingSymbol( panel, DC, start, color );
if( m_EndIsDangling )
DrawDanglingSymbol( panel, DC, end, color );
}
void SCH_LINE::Mirror_X( int aXaxis_position )
{
m_Start.y -= aXaxis_position;
NEGATE( m_Start.y );
m_Start.y += aXaxis_position;
m_End.y -= aXaxis_position;
NEGATE( m_End.y );
m_End.y += aXaxis_position;
}
void SCH_LINE::Mirror_Y( int aYaxis_position )
{
m_Start.x -= aYaxis_position;
NEGATE( m_Start.x );
m_Start.x += aYaxis_position;
m_End.x -= aYaxis_position;
NEGATE( m_End.x );
m_End.x += aYaxis_position;
}
void SCH_LINE::Rotate( wxPoint rotationPoint )
{
RotatePoint( &m_Start, rotationPoint, 900 );
RotatePoint( &m_End, rotationPoint, 900 );
}
bool SCH_LINE::MergeOverlap( SCH_LINE* aLine )
{
wxCHECK_MSG( aLine != NULL && aLine->Type() == SCH_LINE_T, false,
wxT( "Cannot test line segment for overlap." ) );
if( this == aLine || GetLayer() != aLine->GetLayer() )
return false;
// Search for a common end, and modify coordinates to ensure RefSegm->m_End
// == TstSegm->m_Start
if( m_Start == aLine->m_Start )
{
if( m_End == aLine->m_End )
return true;
EXCHG( m_Start, m_End );
}
else if( m_Start == aLine->m_End )
{
EXCHG( m_Start, m_End );
EXCHG( aLine->m_Start, aLine->m_End );
}
else if( m_End == aLine->m_End )
{
EXCHG( aLine->m_Start, aLine->m_End );
}
else if( m_End != aLine->m_Start )
{
// No common end point, segments cannot be merged.
return false;
}
/* Test alignment: */
if( m_Start.y == m_End.y ) // Horizontal segment
{
if( aLine->m_Start.y == aLine->m_End.y )
{
m_End = aLine->m_End;
return true;
}
}
else if( m_Start.x == m_End.x ) // Vertical segment
{
if( aLine->m_Start.x == aLine->m_End.x )
{
m_End = aLine->m_End;
return true;
}
}
else
{
if( atan2( (double) ( m_Start.x - m_End.x ), (double) ( m_Start.y - m_End.y ) )
== atan2( (double) ( aLine->m_Start.x - aLine->m_End.x ),
(double) ( aLine->m_Start.y - aLine->m_End.y ) ) )
{
m_End = aLine->m_End;
return true;
}
}
return false;
}
void SCH_LINE::GetEndPoints( std::vector <DANGLING_END_ITEM>& aItemList )
{
if( GetLayer() == LAYER_NOTES )
return;
if( ( GetLayer() == LAYER_BUS ) || ( GetLayer() == LAYER_WIRE ) )
{
DANGLING_END_ITEM item( (GetLayer() == LAYER_BUS) ? BUS_START_END : WIRE_START_END, this );
item.m_Pos = m_Start;
DANGLING_END_ITEM item1( (GetLayer() == LAYER_BUS) ? BUS_END_END : WIRE_END_END, this );
item1.m_Pos = m_End;
aItemList.push_back( item );
aItemList.push_back( item1 );
}
}
bool SCH_LINE::IsDanglingStateChanged( std::vector< DANGLING_END_ITEM >& aItemList )
{
bool previousStartState = m_StartIsDangling;
bool previousEndState = m_EndIsDangling;
m_StartIsDangling = m_EndIsDangling = true;
if( GetLayer() == LAYER_WIRE )
{
BOOST_FOREACH( DANGLING_END_ITEM item, aItemList )
{
if( item.m_Item == this )
continue;
if( m_Start == item.m_Pos )
m_StartIsDangling = false;
if( m_End == item.m_Pos )
m_EndIsDangling = false;
if( (m_StartIsDangling == false) && (m_EndIsDangling == false) )
break;
}
}
else if( GetLayer() == LAYER_BUS || GetLayer() == LAYER_NOTES )
{
// Lines on the notes layer and the bus layer cannot be tested for dangling ends.
previousStartState = previousEndState = m_StartIsDangling = m_EndIsDangling = false;
}
return ( previousStartState != m_StartIsDangling ) || ( previousEndState != m_EndIsDangling );
}
bool SCH_LINE::IsSelectStateChanged( const wxRect& aRect )
{
bool previousState = IsSelected();
if( aRect.Contains( m_Start ) && aRect.Contains( m_End ) )
{
m_Flags |= SELECTED;
m_Flags &= ~(STARTPOINT | ENDPOINT);
}
else if( aRect.Contains( m_Start ) )
{
m_Flags &= ~STARTPOINT;
m_Flags |= ( SELECTED | ENDPOINT );
}
else if( aRect.Contains( m_End ) )
{
m_Flags &= ~ENDPOINT;
m_Flags |= ( SELECTED | STARTPOINT );
}
else
{
m_Flags &= ~( SELECTED | STARTPOINT | ENDPOINT );
}
return previousState != IsSelected();
}
bool SCH_LINE::IsConnectable() const
{
if( m_Layer == LAYER_WIRE || m_Layer == LAYER_BUS )
return true;
return false;
}
void SCH_LINE::GetConnectionPoints( vector< wxPoint >& aPoints ) const
{
aPoints.push_back( m_Start );
aPoints.push_back( m_End );
}
wxString SCH_LINE::GetSelectMenuText() const
{
wxString menuText, txtfmt, orient;
if( m_Start.x == m_End.x )
orient = _("Vert.");
else if( m_Start.y == m_End.y )
orient = _("Horiz.");
switch( m_Layer )
{
case LAYER_NOTES:
txtfmt = _( "%s Graphic Line from (%s,%s) to (%s,%s) " );
break;
case LAYER_WIRE:
txtfmt = _( "%s Wire from (%s,%s) to (%s,%s)" );
break;
case LAYER_BUS:
txtfmt = _( "%s Bus from (%s,%s) to (%s,%s)" );
break;
default:
txtfmt += _( "%s Line on Unknown Layer from (%s,%s) to (%s,%s)" );
}
menuText.Printf( txtfmt, GetChars( orient ),
GetChars(CoordinateToString( m_Start.x, EESCHEMA_INTERNAL_UNIT )),
GetChars(CoordinateToString( m_Start.y, EESCHEMA_INTERNAL_UNIT )),
GetChars(CoordinateToString( m_End.x, EESCHEMA_INTERNAL_UNIT )),
GetChars(CoordinateToString( m_End.y, EESCHEMA_INTERNAL_UNIT )) );
return menuText;
}
const char** SCH_LINE::GetMenuImage() const
{
if( m_Layer == LAYER_NOTES )
return (const char**) add_dashed_line_xpm;
else if( m_Layer == LAYER_WIRE )
return (const char**) add_line_xpm;
return (const char**) add_bus_xpm;
}
bool SCH_LINE::operator <( const SCH_ITEM& aItem ) const
{
if( Type() != aItem.Type() )
return Type() < aItem.Type();
SCH_LINE* line = (SCH_LINE*) &aItem;
if( GetLength() != line->GetLength() )
return GetLength() < line->GetLength();
if( m_Start.x != line->m_Start.x )
return m_Start.x < line->m_Start.x;
if( m_Start.y != line->m_Start.y )
return m_Start.y < line->m_Start.y;
return false;
}
bool SCH_LINE::doHitTest( const wxPoint& aPoint, int aAccuracy ) const
{
return TestSegmentHit( aPoint, m_Start, m_End, aAccuracy );
}
bool SCH_LINE::doHitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const
{
EDA_RECT rect = aRect;
rect.Inflate( aAccuracy );
if( aContained )
return rect.Contains( GetBoundingBox() );
return rect.Intersects( GetBoundingBox() );
}
bool SCH_LINE::doIsConnected( const wxPoint& aPosition ) const
{
if( m_Layer != LAYER_WIRE && m_Layer != LAYER_BUS )
return false;
return IsEndPoint( aPosition );
}
void SCH_LINE::doPlot( PLOTTER* aPlotter )
{
aPlotter->set_color( ReturnLayerColor( GetLayer() ) );
aPlotter->set_current_line_width( GetPenSize() );
if( m_Layer == LAYER_NOTES )
aPlotter->set_dash( true );
aPlotter->move_to( m_Start );
aPlotter->finish_to( m_End );
if( m_Layer == LAYER_NOTES )
aPlotter->set_dash( false );
}
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