void MODULE::MoveAnchorPosition( const wxPoint& aMoveVector )
{
    /* Move the reference point of the footprint
     * the footprints elements (pads, outlines, edges .. ) are moved
     * but:
     * - the footprint position is not modified.
     * - the relative (local) coordinates of these items are modified
     */

    wxPoint footprintPos = GetPosition();

    /* Update the relative coordinates:
     * The coordinates are relative to the anchor point.
     * Calculate deltaX and deltaY from the anchor. */
    wxPoint moveVector = aMoveVector;
    RotatePoint( &moveVector, -GetOrientation() );

    // Update of the reference and value.
    m_Reference->SetPos0( m_Reference->GetPos0() + moveVector );
    m_Reference->SetDrawCoord();
    m_Value->SetPos0( m_Value->GetPos0() + moveVector );
    m_Value->SetDrawCoord();

    // Update the pad local coordinates.
    for( D_PAD* pad = Pads(); pad; pad = pad->Next() )
    {
        pad->SetPos0( pad->GetPos0() + moveVector );
        pad->SetPosition( pad->GetPos0() + footprintPos );
    }

    // Update the draw element coordinates.
    for( EDA_ITEM* item = GraphicalItems(); item; item = item->Next() )
    {
        switch( item->Type() )
        {
        case PCB_MODULE_EDGE_T:
            {
                EDGE_MODULE* edge = static_cast<EDGE_MODULE*>( item );
                edge->m_Start0 += moveVector;
                edge->m_End0   += moveVector;
                edge->SetDrawCoord();
                break;
            }

        case PCB_MODULE_TEXT_T:
            {
                TEXTE_MODULE* text = static_cast<TEXTE_MODULE*>( item );
                text->SetPos0( text->GetPos0() + moveVector );
                text->SetDrawCoord();
                break;
            }

        default:
            break;
        }
    }

    CalculateBoundingBox();
}
void MODULE::SetOrientation( double newangle )
{
    double  angleChange = newangle - m_Orient;  // change in rotation
    wxPoint pt;

    NORMALIZE_ANGLE_POS( newangle );

    m_Orient = newangle;

    for( D_PAD* pad = m_Pads;  pad;  pad = pad->Next() )
    {
        pt = pad->GetPos0();

        pad->SetOrientation( pad->GetOrientation() + angleChange );

        RotatePoint( &pt, m_Orient );

        pad->SetPosition( GetPosition() + pt );
    }

    // Update of the reference and value.
    m_Reference->SetDrawCoord();
    m_Value->SetDrawCoord();

    // Displace contours and text of the footprint.
    for( BOARD_ITEM* item = m_Drawings;  item;  item = item->Next() )
    {
        if( item->Type() == PCB_MODULE_EDGE_T )
        {
            EDGE_MODULE* edge = (EDGE_MODULE*) item;
            edge->SetDrawCoord();
        }

        else if( item->Type() == PCB_MODULE_TEXT_T )
        {
            TEXTE_MODULE* text = (TEXTE_MODULE*) item;
            text->SetDrawCoord();
        }
    }

    CalculateBoundingBox();
}
void PCB_POLYGON::AddToModule( MODULE* aModule )
{
    if( IsNonCopperLayer( m_KiCadLayer ) )
    {
        EDGE_MODULE* dwg = new EDGE_MODULE( aModule, S_POLYGON );
        aModule->GraphicalItemsList().PushBack( dwg );

        dwg->SetWidth( 0 );
        dwg->SetLayer( m_KiCadLayer );

        auto outline = new std::vector<wxPoint>;
        for( auto point : m_outline )
            outline->push_back( wxPoint( point->x, point->y ) );

        dwg->SetPolyPoints( *outline );
        dwg->SetStart0( *outline->begin() );
        dwg->SetEnd0( outline->back() );
        dwg->SetDrawCoord();

        delete( outline );
    }
}
MODULE* GPCB_FPL_CACHE::parseMODULE( LINE_READER* aLineReader ) throw( IO_ERROR, PARSE_ERROR )
{
    #define TEXT_DEFAULT_SIZE  ( 40*IU_PER_MILS )
    #define OLD_GPCB_UNIT_CONV IU_PER_MILS

    // Old version unit = 1 mil, so conv_unit is 10 or 0.1
    #define NEW_GPCB_UNIT_CONV ( 0.01*IU_PER_MILS )

    int                   paramCnt;
    double                conv_unit = NEW_GPCB_UNIT_CONV; // GPCB unit = 0.01 mils and Pcbnew 0.1
    wxPoint               textPos;
    wxString              msg;
    wxArrayString         parameters;
    std::auto_ptr<MODULE> module( new MODULE( NULL ) );


    if( aLineReader->ReadLine() == NULL )
        THROW_IO_ERROR( "unexpected end of file" );

    parameters.Clear();
    parseParameters( parameters, aLineReader );
    paramCnt = parameters.GetCount();

    /* From the Geda PCB documentation, valid Element definitions:
     *   Element [SFlags "Desc" "Name" "Value" MX MY TX TY TDir TScale TSFlags]
     *   Element (NFlags "Desc" "Name" "Value" MX MY TX TY TDir TScale TNFlags)
     *   Element (NFlags "Desc" "Name" "Value" TX TY TDir TScale TNFlags)
     *   Element (NFlags "Desc" "Name" TX TY TDir TScale TNFlags)
     *   Element ("Desc" "Name" TX TY TDir TScale TNFlags)
     */

    if( parameters[0].CmpNoCase( wxT( "Element" ) ) != 0 )
    {
        msg.Printf( _( "unknown token \"%s\"" ), GetChars( parameters[0] ) );
        THROW_PARSE_ERROR( msg, aLineReader->GetSource(), (const char *)aLineReader,
                           aLineReader->LineNumber(), 0 );
    }

    if( paramCnt < 10 || paramCnt > 14 )
    {
        msg.Printf( _( "Element token contains %d parameters." ), paramCnt );
        THROW_PARSE_ERROR( msg, aLineReader->GetSource(), (const char *)aLineReader,
                           aLineReader->LineNumber(), 0 );
    }

    // Test symbol after "Element": if [ units = 0.01 mils, and if ( units = 1 mil
    if( parameters[1] == wxT( "(" ) )
        conv_unit = OLD_GPCB_UNIT_CONV;

    if( paramCnt > 10 )
    {
        module->SetDescription( parameters[3] );
        module->SetReference( parameters[4] );
    }
    else
    {
        module->SetDescription( parameters[2] );
        module->SetReference( parameters[3] );
    }

    // Read value
    if( paramCnt > 10 )
        module->SetValue( parameters[5] );
    // With gEDA/pcb, value is meaningful after instantiation, only, so it's
    // often empty in bare footprints.
    if( module->Value().GetText().IsEmpty() )
        module->Value().SetText( wxT( "Val**" ) );


    if( paramCnt == 14 )
    {
        textPos = wxPoint( parseInt( parameters[8], conv_unit ),
                           parseInt( parameters[9], conv_unit ) );
    }
    else
    {
        textPos = wxPoint( parseInt( parameters[6], conv_unit ),
                           parseInt( parameters[7], conv_unit ) );
    }

    int orientation = parseInt( parameters[paramCnt-4], 1.0 );
    module->Reference().SetOrientation( (orientation % 2) ? 900 : 0 );

    // Calculate size: default height is 40 mils, width 30 mil.
    // real size is:  default * ibuf[idx+3] / 100 (size in gpcb is given in percent of default size
    int thsize = parseInt( parameters[paramCnt-3], TEXT_DEFAULT_SIZE ) / 100;
    thsize = std::max( (int)( 5 * IU_PER_MILS ), thsize ); // Ensure a minimal size = 5 mils
    int twsize = thsize * 30 / 40;
    int thickness = thsize / 8;

    // gEDA/pcb aligns top/left, not pcbnew's default, center/center.
    // Compensate for this by shifting the insertion point instead of the
    // aligment, because alignment isn't changeable in the GUI.
    textPos.x = textPos.x + twsize * module->GetReference().Len() / 2;
    textPos.y += thsize / 2;

    // gEDA/pcb draws a bit too low/left, while pcbnew draws a bit too
    // high/right. Compensate for similar appearance.
    textPos.x -= thsize / 10;
    textPos.y += thsize / 2;

    module->Reference().SetTextPosition( textPos );
    module->Reference().SetPos0( textPos );
    module->Reference().SetSize( wxSize( twsize, thsize ) );
    module->Reference().SetThickness( thickness );

    // gEDA/pcb shows only one of value/reference/description at a time. Which
    // one is selectable by a global menu setting. pcbnew needs reference as
    // well as value visible, so place the value right below the reference.
    module->Value().SetOrientation( module->Reference().GetOrientation() );
    module->Value().SetSize( module->Reference().GetSize() );
    module->Value().SetThickness( module->Reference().GetThickness() );
    textPos.y += thsize * 13 / 10;  // 130% line height
    module->Value().SetTextPosition( textPos );
    module->Value().SetPos0( textPos );

    while( aLineReader->ReadLine() )
    {
        parameters.Clear();
        parseParameters( parameters, aLineReader );

        if( parameters.IsEmpty() || parameters[0] == wxT( "(" ) )
            continue;

        if( parameters[0] == wxT( ")" ) )
            break;

        paramCnt = parameters.GetCount();

        // Test units value for a string line param (more than 3 parameters : ident [ xx ] )
        if( paramCnt > 3 )
        {
            if( parameters[1] == wxT( "(" ) )
                conv_unit = OLD_GPCB_UNIT_CONV;
            else
                conv_unit = NEW_GPCB_UNIT_CONV;
        }

        wxLogTrace( traceFootprintLibrary, wxT( "%s parameter count = %d." ),
                    GetChars( parameters[0] ), paramCnt );

        // Parse a line with format: ElementLine [X1 Y1 X2 Y2 Thickness]
        if( parameters[0].CmpNoCase( wxT( "ElementLine" ) ) == 0 )
        {
            if( paramCnt != 8 )
            {
                msg.Printf( wxT( "ElementLine token contains %d parameters." ), paramCnt );
                THROW_PARSE_ERROR( msg, aLineReader->GetSource(), (const char *)aLineReader,
                                   aLineReader->LineNumber(), 0 );
            }

            EDGE_MODULE* drawSeg = new EDGE_MODULE( module.get() );
            drawSeg->SetLayer( F_SilkS );
            drawSeg->SetShape( S_SEGMENT );
            drawSeg->SetStart0( wxPoint( parseInt( parameters[2], conv_unit ),
                                         parseInt( parameters[3], conv_unit ) ) );
            drawSeg->SetEnd0( wxPoint( parseInt( parameters[4], conv_unit ),
                                       parseInt( parameters[5], conv_unit ) ) );
            drawSeg->SetWidth( parseInt( parameters[6], conv_unit ) );
            drawSeg->SetDrawCoord();
            module->GraphicalItems().PushBack( drawSeg );
            continue;
        }

        // Parse an arc with format: ElementArc [X Y Width Height StartAngle DeltaAngle Thickness]
        if( parameters[0].CmpNoCase( wxT( "ElementArc" ) ) == 0 )
        {
            if( paramCnt != 10 )
            {
                msg.Printf( wxT( "ElementArc token contains %d parameters." ), paramCnt );
                THROW_PARSE_ERROR( msg, aLineReader->GetSource(), (const char *)aLineReader,
                                   aLineReader->LineNumber(), 0 );
            }

            // Pcbnew does know ellipse so we must have Width = Height
            EDGE_MODULE* drawSeg = new EDGE_MODULE( module.get() );
            drawSeg->SetLayer( F_SilkS );
            drawSeg->SetShape( S_ARC );
            module->GraphicalItems().PushBack( drawSeg );

            // for and arc: ibuf[3] = ibuf[4]. Pcbnew does not know ellipses
            int     radius = ( parseInt( parameters[4], conv_unit ) +
                               parseInt( parameters[5], conv_unit ) ) / 2;

            wxPoint centre( parseInt( parameters[2], conv_unit ),
                            parseInt( parameters[3], conv_unit ) );

            drawSeg->SetStart0( centre );

            // Pcbnew start angles are inverted and 180 degrees from Geda PCB angles.
            double start_angle = parseInt( parameters[6], -10.0 ) + 1800.0;

            // Pcbnew delta angle direction is the opposite of Geda PCB delta angles.
            double sweep_angle = parseInt( parameters[7], -10.0 );

            // Geda PCB does not support circles.
            if( sweep_angle == -3600.0 )
                drawSeg->SetShape( S_CIRCLE );

            // Angle value is clockwise in gpcb and Pcbnew.
            drawSeg->SetAngle( sweep_angle );
            drawSeg->SetEnd0( wxPoint( radius, 0 ) );

            // Calculate start point coordinate of arc
            wxPoint arcStart( drawSeg->GetEnd0() );
            RotatePoint( &arcStart, -start_angle );
            drawSeg->SetEnd0( centre + arcStart );
            drawSeg->SetWidth( parseInt( parameters[8], conv_unit ) );
            drawSeg->SetDrawCoord();
            continue;
        }

        // Parse a Pad with no hole with format:
        //   Pad [rX1 rY1 rX2 rY2 Thickness Clearance Mask "Name" "Number" SFlags]
        //   Pad (rX1 rY1 rX2 rY2 Thickness Clearance Mask "Name" "Number" NFlags)
        //   Pad (aX1 aY1 aX2 aY2 Thickness "Name" "Number" NFlags)
        //   Pad (aX1 aY1 aX2 aY2 Thickness "Name" NFlags)
        if( parameters[0].CmpNoCase( wxT( "Pad" ) ) == 0 )
        {
            if( paramCnt < 10 || paramCnt > 13 )
            {
                msg.Printf( wxT( "Pad token contains %d parameters." ), paramCnt );
                THROW_PARSE_ERROR( msg, aLineReader->GetSource(), (const char *)aLineReader,
                                   aLineReader->LineNumber(), 0 );
            }

            D_PAD* pad = new D_PAD( module.get() );

            static const LSET pad_front( 3, F_Cu, F_Mask, F_Paste );
            static const LSET pad_back(  3, B_Cu, B_Mask, B_Paste );

            pad->SetShape( PAD_SHAPE_RECT );
            pad->SetAttribute( PAD_ATTRIB_SMD );
            pad->SetLayerSet( pad_front );

            if( testFlags( parameters[paramCnt-2], 0x0080, wxT( "onsolder" ) ) )
                pad->SetLayerSet( pad_back );

            // Set the pad name:
            // Pcbnew pad name is used for electrical connection calculations.
            // Accordingly it should be mapped to gEDA's pin/pad number,
            // which is used for the same purpose.
            // gEDA also features a pin/pad "name", which is an arbitrary string
            // and set to the pin name of the netlist on instantiation. Many gEDA
            // bare footprints use identical strings for name and number, so this
            // can be a bit confusing.
            pad->SetPadName( parameters[paramCnt-3] );

            int x1 = parseInt( parameters[2], conv_unit );
            int x2 = parseInt( parameters[4], conv_unit );
            int y1 = parseInt( parameters[3], conv_unit );
            int y2 = parseInt( parameters[5], conv_unit );
            int width = parseInt( parameters[6], conv_unit );
            wxPoint delta( x2 - x1, y2 - y1 );
            double angle = atan2( (double)delta.y, (double)delta.x );

            // Get the pad clearance and the solder mask clearance.
            if( paramCnt == 13 )
            {
                int clearance = parseInt( parameters[7], conv_unit );
                // One of gEDA's oddities is that clearance between pad and polygon
                // is given as the gap on both sides of the pad together, so for
                // KiCad it has to halfed.
                pad->SetLocalClearance( clearance / 2 );

                // In GEDA, the mask value is the size of the hole in this
                // solder mask. In Pcbnew, it is a margin, therefore the distance
                // between the copper and the mask
                int maskMargin = parseInt( parameters[8], conv_unit );
                maskMargin = ( maskMargin - width ) / 2;
                pad->SetLocalSolderMaskMargin( maskMargin );
            }

            // Negate angle (due to Y reversed axis) and convert it to internal units
            angle = - RAD2DECIDEG( angle );
            pad->SetOrientation( KiROUND( angle ) );

            wxPoint padPos( (x1 + x2) / 2, (y1 + y2) / 2 );

            pad->SetSize( wxSize( KiROUND( EuclideanNorm( delta ) ) + width,
                                  width ) );

            padPos += module->GetPosition();
            pad->SetPos0( padPos );
            pad->SetPosition( padPos );

            if( !testFlags( parameters[paramCnt-2], 0x0100, wxT( "square" ) ) )
            {
                if( pad->GetSize().x == pad->GetSize().y )
                    pad->SetShape( PAD_SHAPE_CIRCLE );
                else
                    pad->SetShape( PAD_SHAPE_OVAL );
            }

            module->Add( pad );
            continue;
        }

        // Parse a Pin with through hole with format:
        //    Pin [rX rY Thickness Clearance Mask Drill "Name" "Number" SFlags]
        //    Pin (rX rY Thickness Clearance Mask Drill "Name" "Number" NFlags)
        //    Pin (aX aY Thickness Drill "Name" "Number" NFlags)
        //    Pin (aX aY Thickness Drill "Name" NFlags)
        //    Pin (aX aY Thickness "Name" NFlags)
        if( parameters[0].CmpNoCase( wxT( "Pin" ) ) == 0 )
        {
            if( paramCnt < 8 || paramCnt > 12 )
            {
                msg.Printf( wxT( "Pin token contains %d parameters." ), paramCnt );
                THROW_PARSE_ERROR( msg, aLineReader->GetSource(), (const char *)aLineReader,
                                   aLineReader->LineNumber(), 0 );
            }

            D_PAD* pad = new D_PAD( module.get() );

            pad->SetShape( PAD_SHAPE_CIRCLE );

            static const LSET pad_set = LSET::AllCuMask() | LSET( 3, F_SilkS, F_Mask, B_Mask );

            pad->SetLayerSet( pad_set );

            if( testFlags( parameters[paramCnt-2], 0x0100, wxT( "square" ) ) )
                pad->SetShape( PAD_SHAPE_RECT );

            // Set the pad name:
            // Pcbnew pad name is used for electrical connection calculations.
            // Accordingly it should be mapped to gEDA's pin/pad number,
            // which is used for the same purpose.
            pad->SetPadName( parameters[paramCnt-3] );

            wxPoint padPos( parseInt( parameters[2], conv_unit ),
                            parseInt( parameters[3], conv_unit ) );

            int padSize = parseInt( parameters[4], conv_unit );

            pad->SetSize( wxSize( padSize, padSize ) );

            int drillSize = 0;

            // Get the pad clearance, solder mask clearance, and drill size.
            if( paramCnt == 12 )
            {
                int clearance = parseInt( parameters[5], conv_unit );
                // One of gEDA's oddities is that clearance between pad and polygon
                // is given as the gap on both sides of the pad together, so for
                // KiCad it has to halfed.
                pad->SetLocalClearance( clearance / 2 );

                // In GEDA, the mask value is the size of the hole in this
                // solder mask. In Pcbnew, it is a margin, therefore the distance
                // between the copper and the mask
                int maskMargin = parseInt( parameters[6], conv_unit );
                maskMargin = ( maskMargin - padSize ) / 2;
                pad->SetLocalSolderMaskMargin( maskMargin );

                drillSize = parseInt( parameters[7], conv_unit );
            }
            else
            {
                drillSize = parseInt( parameters[5], conv_unit );
            }

            pad->SetDrillSize( wxSize( drillSize, drillSize ) );
            padPos += module->GetPosition();
            pad->SetPos0( padPos );
            pad->SetPosition( padPos );

            if( pad->GetShape() == PAD_SHAPE_CIRCLE  &&  pad->GetSize().x != pad->GetSize().y )
                pad->SetShape( PAD_SHAPE_OVAL );

            module->Add( pad );
            continue;
        }
    }

    // Recalculate the bounding box
    module->CalculateBoundingBox();
    return module.release();
}