C++ TRACK::IsOnLayer方法代码示例

void BOARD::ConvertBrdLayerToPolygonalContours( PCB_LAYER_ID aLayer, SHAPE_POLY_SET& aOutlines )
{
    // convert tracks and vias:
    for( TRACK* track = m_Track; track != NULL; track = track->Next() )
    {
        if( !track->IsOnLayer( aLayer ) )
            continue;

        track->TransformShapeWithClearanceToPolygon( aOutlines, 0 );
    }

    // convert pads
    for( MODULE* module = m_Modules; module != NULL; module = module->Next() )
    {
        module->TransformPadsShapesWithClearanceToPolygon( aLayer, aOutlines, 0 );

        // Micro-wave modules may have items on copper layers
        module->TransformGraphicShapesWithClearanceToPolygonSet( aLayer, aOutlines, 0 );
    }

    // convert copper zones
    for( int ii = 0; ii < GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* zone = GetArea( ii );
        PCB_LAYER_ID        zonelayer = zone->GetLayer();

        if( zonelayer == aLayer )
            zone->TransformSolidAreasShapesToPolygonSet( aOutlines );
    }

    // convert graphic items on copper layers (texts)
    for( BOARD_ITEM* item = m_Drawings; item; item = item->Next() )
    {
        if( !item->IsOnLayer( aLayer ) )
            continue;

        switch( item->Type() )
        {
        case PCB_LINE_T:
            ( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon( aOutlines, 0 );
            break;

        case PCB_TEXT_T:
            ( (TEXTE_PCB*) item )->TransformShapeWithClearanceToPolygonSet( aOutlines, 0 );
            break;

        default:
            break;
        }
    }
}

void DRC::testTexts()
{
    std::vector<wxPoint> textShape;      // a buffer to store the text shape (set of segments)
    std::vector<D_PAD*> padList = m_pcb->GetPads();

    // Test text areas for vias, tracks and pads inside text areas
    for( BOARD_ITEM* item = m_pcb->m_Drawings; item; item = item->Next() )
    {
        // Drc test only items on copper layers
        if( ! IsCopperLayer( item->GetLayer() ) )
            continue;

        // only texts on copper layers are tested
        if( item->Type() !=  PCB_TEXT_T )
            continue;

        textShape.clear();

        // So far the bounding box makes up the text-area
        TEXTE_PCB* text = (TEXTE_PCB*) item;
        text->TransformTextShapeToSegmentList( textShape );

        if( textShape.size() == 0 )     // Should not happen (empty text?)
            continue;

        for( TRACK* track = m_pcb->m_Track; track != NULL; track = track->Next() )
        {
            if( ! track->IsOnLayer( item->GetLayer() ) )
                    continue;

            // Test the distance between each segment and the current track/via
            int min_dist = ( track->GetWidth() + text->GetThickness() ) /2 +
                           track->GetClearance(NULL);

            if( track->Type() == PCB_TRACE_T )
            {
                SEG segref( track->GetStart(), track->GetEnd() );

                // Error condition: Distance between text segment and track segment is
                // smaller than the clearance of the segment
                for( unsigned jj = 0; jj < textShape.size(); jj += 2 )
                {
                    SEG segtest( textShape[jj], textShape[jj+1] );
                    int dist = segref.Distance( segtest );

                    if( dist < min_dist )
                    {
                        addMarkerToPcb( fillMarker( track, text,
                                                    DRCE_TRACK_INSIDE_TEXT,
                                                    m_currentMarker ) );
                        m_currentMarker = nullptr;
                        break;
                    }
                }
            }
            else if( track->Type() == PCB_VIA_T )
            {
                // Error condition: Distance between text segment and via is
                // smaller than the clearance of the via
                for( unsigned jj = 0; jj < textShape.size(); jj += 2 )
                {
                    SEG segtest( textShape[jj], textShape[jj+1] );

                    if( segtest.PointCloserThan( track->GetPosition(), min_dist ) )
                    {
                        addMarkerToPcb( fillMarker( track, text,
                                                    DRCE_VIA_INSIDE_TEXT, m_currentMarker ) );
                        m_currentMarker = nullptr;
                        break;
                    }
                }
            }
        }

        // Test pads
        for( unsigned ii = 0; ii < padList.size(); ii++ )
        {
            D_PAD* pad = padList[ii];

            if( ! pad->IsOnLayer( item->GetLayer() ) )
                    continue;

            wxPoint shape_pos = pad->ShapePos();

            for( unsigned jj = 0; jj < textShape.size(); jj += 2 )
            {
                /* In order to make some calculations more easier or faster,
                 * pads and tracks coordinates will be made relative
                 * to the segment origin
                 */
                wxPoint origin = textShape[jj];  // origin will be the origin of other coordinates
                m_segmEnd = textShape[jj+1] - origin;
                wxPoint delta = m_segmEnd;
                m_segmAngle = 0;

                // for a non horizontal or vertical segment Compute the segment angle
                // in tenths of degrees and its length
                if( delta.x || delta.y )    // delta.x == delta.y == 0 for vias
                {
                    // Compute the segment angle in 0,1 degrees
//.........这里部分代码省略.........

void EDA_3D_CANVAS::buildBoard3DView( GLuint aBoardList, GLuint aBodyOnlyList,
                                      REPORTER* aErrorMessages, REPORTER* aActivity  )
{
    BOARD* pcb = GetBoard();

    // If FL_RENDER_SHOW_HOLES_IN_ZONES is true, holes are correctly removed from copper zones areas.
    // If FL_RENDER_SHOW_HOLES_IN_ZONES is false, holes are not removed from copper zones areas,
    // but the calculation time is twice shorter.
    bool remove_Holes = isEnabled( FL_RENDER_SHOW_HOLES_IN_ZONES );

    bool realistic_mode = isRealisticMode();
    bool useTextures = isRealisticMode() && isEnabled( FL_RENDER_TEXTURES );

    // Number of segments to convert a circle to polygon
    // We use 2 values: the first gives a good shape (for instanes rond pads)
    // the second is used to speed up calculations, when a poor approximation is acceptable (holes)
    const int       segcountforcircle   = 18;
    double          correctionFactor    = 1.0 / cos( M_PI / (segcountforcircle * 2.0) );
    const int       segcountLowQuality  = 12;   // segments to draw a circle with low quality
                                                // to reduce time calculations
                                                // for holes and items which do not need
                                                // a fine representation
    double          correctionFactorLQ  = 1.0 / cos( M_PI / (segcountLowQuality * 2.0) );

    SHAPE_POLY_SET  bufferPolys;        // copper areas: tracks, pads and filled zones areas
                                        // when holes are removed from zones
    SHAPE_POLY_SET  bufferPcbOutlines;  // stores the board main outlines
    SHAPE_POLY_SET  bufferZonesPolys;   // copper filled zones areas
                                        // when holes are not removed from zones
    SHAPE_POLY_SET  currLayerHoles;     // Contains holes for the current layer
    SHAPE_POLY_SET  allLayerHoles;      // Contains holes for all layers

    // Build a polygon from edge cut items
    wxString msg;

    if( !pcb->GetBoardPolygonOutlines( bufferPcbOutlines, allLayerHoles, &msg ) )
    {
        if( aErrorMessages )
        {
            msg << wxT("\n") << _("Unable to calculate the board outlines.\n"
                                  "Therefore use the board boundary box.") << wxT("\n\n");

            aErrorMessages->Report( msg, REPORTER::RPT_WARNING );
        }
    }

    // Build board holes, with optimization of large holes shape.
    buildBoardThroughHolesPolygonList( allLayerHoles, segcountLowQuality, true );

    LSET            cu_set = LSET::AllCuMask( GetPrm3DVisu().m_CopperLayersCount );

    glNewList( aBoardList, GL_COMPILE );

    for( LSEQ cu = cu_set.CuStack();  cu;  ++cu )
    {
        LAYER_ID layer = *cu;

        // Skip non enabled layers in normal mode,
        // and internal layers in realistic mode
        if( !is3DLayerEnabled( layer ) )
            continue;

        if( aActivity )
            aActivity->Report( wxString::Format( _( "Build layer %s" ), LSET::Name( layer ) ) );

        bufferPolys.RemoveAllContours();
        bufferZonesPolys.RemoveAllContours();
        currLayerHoles.RemoveAllContours();

        // Draw track shapes:
        for( TRACK* track = pcb->m_Track;  track;  track = track->Next() )
        {
            if( !track->IsOnLayer( layer ) )
                continue;

            track->TransformShapeWithClearanceToPolygon( bufferPolys,
                                                         0, segcountforcircle,
                                                         correctionFactor );

            // Add blind/buried via holes
            if( track->Type() == PCB_VIA_T )
            {
                VIA *via = static_cast<VIA*>( track );

                if( via->GetViaType() == VIA_THROUGH )
                    continue;   // already done

                int holediameter = via->GetDrillValue();
                int thickness = GetPrm3DVisu().GetCopperThicknessBIU();
                int hole_outer_radius = (holediameter + thickness) / 2;

                TransformCircleToPolygon( currLayerHoles,
                                          via->GetStart(), hole_outer_radius,
                                          segcountLowQuality );
            }
        }

        // draw pad shapes
        for( MODULE* module = pcb->m_Modules;  module;  module = module->Next() )
        {
//.........这里部分代码省略.........

void ZONE_CONTAINER::buildFeatureHoleList( BOARD* aPcb, SHAPE_POLY_SET& aFeatures )
{
    int segsPerCircle;
    double correctionFactor;

    // Set the number of segments in arc approximations
    if( m_ArcToSegmentsCount == ARC_APPROX_SEGMENTS_COUNT_HIGHT_DEF  )
        segsPerCircle = ARC_APPROX_SEGMENTS_COUNT_HIGHT_DEF;
    else
        segsPerCircle = ARC_APPROX_SEGMENTS_COUNT_LOW_DEF;

    /* calculates the coeff to compensate radius reduction of holes clearance
     * due to the segment approx.
     * For a circle the min radius is radius * cos( 2PI / s_CircleToSegmentsCount / 2)
     * s_Correction is 1 /cos( PI/s_CircleToSegmentsCount  )
     */
    correctionFactor = 1.0 / cos( M_PI / (double) segsPerCircle );

    aFeatures.RemoveAllContours();

    int outline_half_thickness = m_ZoneMinThickness / 2;

    int zone_clearance = std::max( m_ZoneClearance, GetClearance() );
    zone_clearance += outline_half_thickness;

    /* store holes (i.e. tracks and pads areas as polygons outlines)
     * in a polygon list
     */

    /* items ouside the zone bounding box are skipped
     * the bounding box is the zone bounding box + the biggest clearance found in Netclass list
     */
    EDA_RECT item_boundingbox;
    EDA_RECT zone_boundingbox  = GetBoundingBox();
    int      biggest_clearance = aPcb->GetDesignSettings().GetBiggestClearanceValue();
    biggest_clearance = std::max( biggest_clearance, zone_clearance );
    zone_boundingbox.Inflate( biggest_clearance );

    /*
     * First : Add pads. Note: pads having the same net as zone are left in zone.
     * Thermal shapes will be created later if necessary
     */
    int item_clearance;

    /* Use a dummy pad to calculate hole clerance when a pad is not on all copper layers
     * and this pad has a hole
     * This dummy pad has the size and shape of the hole
    * Therefore, this dummy pad is a circle or an oval.
     * A pad must have a parent because some functions expect a non null parent
     * to find the parent board, and some other data
     */
    MODULE dummymodule( aPcb );    // Creates a dummy parent
    D_PAD dummypad( &dummymodule );

    for( MODULE* module = aPcb->m_Modules;  module;  module = module->Next() )
    {
        D_PAD* nextpad;

        for( D_PAD* pad = module->Pads(); pad != NULL; pad = nextpad )
        {
            nextpad = pad->Next();  // pad pointer can be modified by next code, so
                                    // calculate the next pad here

            if( !pad->IsOnLayer( GetLayer() ) )
            {
                /* Test for pads that are on top or bottom only and have a hole.
                 * There are curious pads but they can be used for some components that are
                 * inside the board (in fact inside the hole. Some photo diodes and Leds are
                 * like this)
                 */
                if( pad->GetDrillSize().x == 0 && pad->GetDrillSize().y == 0 )
                    continue;

                // Use a dummy pad to calculate a hole shape that have the same dimension as
                // the pad hole
                dummypad.SetSize( pad->GetDrillSize() );
                dummypad.SetOrientation( pad->GetOrientation() );
                dummypad.SetShape( pad->GetDrillShape() == PAD_DRILL_SHAPE_OBLONG ?
                                   PAD_SHAPE_OVAL : PAD_SHAPE_CIRCLE );
                dummypad.SetPosition( pad->GetPosition() );

                pad = &dummypad;
            }

            // Note: netcode <=0 means not connected item
            if( ( pad->GetNetCode() != GetNetCode() ) || ( pad->GetNetCode() <= 0 ) )
            {
                item_clearance   = pad->GetClearance() + outline_half_thickness;
                item_boundingbox = pad->GetBoundingBox();
                item_boundingbox.Inflate( item_clearance );

                if( item_boundingbox.Intersects( zone_boundingbox ) )
                {
                    int clearance = std::max( zone_clearance, item_clearance );
                    pad->TransformShapeWithClearanceToPolygon( aFeatures,
                                                               clearance,
                                                               segsPerCircle,
                                                               correctionFactor );
                }

//.........这里部分代码省略.........

//.........这里部分代码省略.........
                {
                    *curpos = via->GetStart();
                    // D(printf("via hit\n");)
                    return true;
                }
            }
        }

        if( !currTrack )
        {
            LSET layers( layer );

            TRACK* track = m_Pcb->GetVisibleTrack( m_Pcb->m_Track, pos, layers );

            if( !track || track->Type() != PCB_TRACE_T )
            {
                // D(printf("!currTrack and track=%p not found, layer_mask=0x%X\n", track, layer_mask );)
                return false;
            }

            // D( printf( "Project\n" ); )
            return Project( curpos, on_grid, track );
        }

        /*
         * In two segment mode, ignore the final segment if it's inside a grid square.
         */
        if( !amMovingVia && currTrack && g_TwoSegmentTrackBuild && currTrack->Back()
            && currTrack->GetStart().x - aGridSize.x < currTrack->GetEnd().x
            && currTrack->GetStart().x + aGridSize.x > currTrack->GetEnd().x
            && currTrack->GetStart().y - aGridSize.y < currTrack->GetEnd().y
            && currTrack->GetStart().y + aGridSize.y > currTrack->GetEnd().y )
        {
            currTrack = currTrack->Back();
        }


        for( TRACK* track = m_Pcb->m_Track; track; track = track->Next() )
        {
            if( track->Type() != PCB_TRACE_T )
                continue;

            if( doCheckNet && currTrack && currTrack->GetNetCode() != track->GetNetCode() )
                continue;

            if( m_Pcb->IsLayerVisible( track->GetLayer() ) == false )
                continue;

            // omit the layer check if moving a via
            if( !amMovingVia && !track->IsOnLayer( layer ) )
                continue;

            if( !track->HitTest( *curpos ) )
                continue;

            // D(printf( "have track prospect\n");)

            if( Join( curpos, track->GetStart(), track->GetEnd(), currTrack->GetStart(), currTrack->GetEnd() ) )
            {
                // D(printf( "join currTrack->Type()=%d\n", currTrack->Type() );)
                return true;
            }

            if( aCurrentTool == ID_TRACK_BUTT || amMovingVia )
            {
                // At this point we have a drawing mouse on a track, we are drawing
                // a new track and that new track is parallel to the track the
                // mouse is on. Find the nearest end point of the track under mouse
                // to the mouse and return that.
                double distStart = GetLineLength( *curpos, track->GetStart() );
                double distEnd   = GetLineLength( *curpos, track->GetEnd() );

                // if track not via, or if its a via dragging but not with its adjacent track
                if( currTrack->Type() != PCB_VIA_T ||
                    ( currTrack->GetStart() != track->GetStart() && currTrack->GetStart() != track->GetEnd() ))
                {
                    double max_dist = currTrack->GetWidth() / 2.0f;

                    if( distStart <= max_dist )
                    {
                        // D(printf("nearest end is start\n");)
                        *curpos = track->GetStart();
                        return true;
                    }

                    if( distEnd <= max_dist )
                    {
                        // D(printf("nearest end is end\n");)
                        *curpos = track->GetEnd();
                        return true;
                    }

                    // @todo otherwise confine curpos such that it stays centered within "track"
                }
            }
        }
    }

    return false;
}

void ZONE_CONTAINER::TestForCopperIslandAndRemoveInsulatedIslands( BOARD* aPcb )
{
    if( m_FilledPolysList.GetCornersCount() == 0 )
        return;

    // Build a list of points connected to the net:
    // list of coordinates of pads and vias on this layer and on this net.
    std::vector <wxPoint> listPointsCandidates;

    for( MODULE* module = aPcb->m_Modules; module; module = module->Next() )
    {
        for( D_PAD* pad = module->Pads(); pad != NULL; pad = pad->Next() )
        {
            if( !pad->IsOnLayer( GetLayer() ) )
                continue;

            if( pad->GetNet() != GetNet() )
                continue;

            listPointsCandidates.push_back( pad->GetPosition() );
        }
    }

    for( TRACK* track = aPcb->m_Track; track; track = track->Next() )
    {
        if( !track->IsOnLayer( GetLayer() ) )
            continue;

        if( track->GetNet() != GetNet() )
            continue;

        listPointsCandidates.push_back( track->GetStart() );

        if( track->Type() != PCB_VIA_T )
            listPointsCandidates.push_back( track->GetEnd() );
    }

    // test if a point is inside
    unsigned indexstart = 0, indexend;
    bool     connected  = false;

    for( indexend = 0; indexend < m_FilledPolysList.GetCornersCount(); indexend++ )
    {
        if( m_FilledPolysList[indexend].end_contour )    // end of a filled sub-area found
        {
            EDA_RECT bbox = CalculateSubAreaBoundaryBox( indexstart, indexend );

            for( unsigned ic = 0; ic < listPointsCandidates.size(); ic++ )
            {
                // test if this area is connected to a board item:
                wxPoint pos = listPointsCandidates[ic];

                if( !bbox.Contains( pos ) )
                    continue;

                if( TestPointInsidePolygon( m_FilledPolysList, indexstart, indexend,
                                            pos.x, pos.y ) )
                {
                    connected = true;
                    break;
                }
            }

            if( connected )                 // this polygon is connected: analyse next polygon
            {
                indexstart = indexend + 1;  // indexstart points the first point of the next polygon
                connected  = false;
            }
            else                             // Not connected: remove this polygon
            {
                m_FilledPolysList.DeleteCorners( indexstart, indexend );
                indexend = indexstart;   /* indexstart points the first point of the next polygon
                                          * because the current poly is removed */
            }
        }
    }
}

/**
 * Function ConvertBrdLayerToPolygonalContours
 * Build a set of polygons which are the outlines of copper items
 * (pads, tracks, texts, zones)
 * the holes in vias or pads are ignored
 * Usefull to export the shape of copper layers to dxf polygons
 * or 3D viewer
 * the polygons are not merged.
 * @param aLayer = A layer, like LAYER_N_BACK, etc.
 * @param aOutlines The CPOLYGONS_LIST to fill in with main outlines.
 * @return true if success, false if a contour is not valid
 */
void BOARD::ConvertBrdLayerToPolygonalContours( LAYER_NUM aLayer, CPOLYGONS_LIST& aOutlines )
{
    // Number of segments to convert a circle to a polygon
    const int       segcountforcircle   = 18;
    double          correctionFactor    = 1.0 / cos( M_PI / (segcountforcircle * 2) );

    // convert tracks and vias:
    for( TRACK* track = m_Track; track != NULL; track = track->Next() )
    {
        if( !track->IsOnLayer( aLayer ) )
            continue;

        track->TransformShapeWithClearanceToPolygon( aOutlines,
                0, segcountforcircle, correctionFactor );
    }

    // convert pads
    for( MODULE* module = m_Modules; module != NULL; module = module->Next() )
    {
        module->TransformPadsShapesWithClearanceToPolygon( aLayer,
                aOutlines, 0, segcountforcircle, correctionFactor );

        // Micro-wave modules may have items on copper layers
        module->TransformGraphicShapesWithClearanceToPolygonSet( aLayer,
                aOutlines, 0, segcountforcircle, correctionFactor );
    }

    // convert copper zones
    for( int ii = 0; ii < GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* zone = GetArea( ii );
        LAYER_NUM       zonelayer = zone->GetLayer();

        if( zonelayer == aLayer )
            zone->TransformSolidAreasShapesToPolygonSet(
                aOutlines, segcountforcircle, correctionFactor );
    }

    // convert graphic items on copper layers (texts)
    for( BOARD_ITEM* item = m_Drawings; item; item = item->Next() )
    {
        if( !item->IsOnLayer( aLayer ) )
            continue;

        switch( item->Type() )
        {
        case PCB_LINE_T:    // should not exist on copper layers
            ( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
                aOutlines, 0, segcountforcircle, correctionFactor );
            break;

        case PCB_TEXT_T:
            ( (TEXTE_PCB*) item )->TransformShapeWithClearanceToPolygonSet(
                aOutlines, 0, segcountforcircle, correctionFactor );
            break;

        default:
            break;
        }
    }
}

//.........这里部分代码省略.........
    int      biggest_clearance = aPcb->GetDesignSettings().GetBiggestClearanceValue();
    biggest_clearance = std::max( biggest_clearance, zone_clearance );
    zone_boundingbox.Inflate( biggest_clearance );

    /*
     * First : Add pads. Note: pads having the same net as zone are left in zone.
     * Thermal shapes will be created later if necessary
     */
    int item_clearance;

    // static to avoid unnecessary memory allocation when filling many zones.
    static CPOLYGONS_LIST cornerBufferPolysToSubstract;
    cornerBufferPolysToSubstract.RemoveAllContours();

    /* Use a dummy pad to calculate hole clerance when a pad is not on all copper layers
     * and this pad has a hole
     * This dummy pad has the size and shape of the hole
    * Therefore, this dummy pad is a circle or an oval.
     * A pad must have a parent because some functions expect a non null parent
     * to find the parent board, and some other data
     */
    MODULE dummymodule( aPcb );    // Creates a dummy parent
    D_PAD dummypad( &dummymodule );

    for( MODULE* module = aPcb->m_Modules;  module;  module = module->Next() )
    {
        D_PAD* nextpad;

        for( D_PAD* pad = module->Pads(); pad != NULL; pad = nextpad )
        {
            nextpad = pad->Next();  // pad pointer can be modified by next code, so
                                    // calculate the next pad here

            if( !pad->IsOnLayer( GetLayer() ) )
            {
                /* Test for pads that are on top or bottom only and have a hole.
                 * There are curious pads but they can be used for some components that are
                 * inside the board (in fact inside the hole. Some photo diodes and Leds are
                 * like this)
                 */
                if( pad->GetDrillSize().x == 0 && pad->GetDrillSize().y == 0 )
                    continue;

                // Use a dummy pad to calculate a hole shape that have the same dimension as
                // the pad hole
                dummypad.SetSize( pad->GetDrillSize() );
                dummypad.SetOrientation( pad->GetOrientation() );
                dummypad.SetShape( pad->GetDrillShape() == PAD_DRILL_OBLONG ?
                                   PAD_OVAL : PAD_CIRCLE );
                dummypad.SetPosition( pad->GetPosition() );

                pad = &dummypad;
            }

            // Note: netcode <=0 means not connected item
            if( ( pad->GetNetCode() != GetNetCode() ) || ( pad->GetNetCode() <= 0 ) )
            {
                item_clearance   = pad->GetClearance() + margin;
                item_boundingbox = pad->GetBoundingBox();
                item_boundingbox.Inflate( item_clearance );

                if( item_boundingbox.Intersects( zone_boundingbox ) )
                {
                    int clearance = std::max( zone_clearance, item_clearance );
                    pad->TransformShapeWithClearanceToPolygon( cornerBufferPolysToSubstract,
                                                               clearance,