C++ ZONE_CONTAINER::TransformOutlinesShapeWithClearanceToPolygon方法代码示例

//.........这里部分代码省略.........
        {
        case PCB_LINE_T:
            ( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
                aFeatures,
                zone_clearance, segsPerCircle, correctionFactor );
            break;

        case PCB_TEXT_T:
            ( (TEXTE_PCB*) item )->TransformBoundingBoxWithClearanceToPolygon(
                aFeatures, zone_clearance );
            break;

        default:
            break;
        }
    }

    // Add zones outlines having an higher priority and keepout
    for( int ii = 0; ii < GetBoard()->GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* zone = GetBoard()->GetArea( ii );
        if( zone->GetLayer() != GetLayer() )
            continue;

        if( !zone->GetIsKeepout() && zone->GetPriority() <= GetPriority() )
            continue;

        if( zone->GetIsKeepout() && ! zone->GetDoNotAllowCopperPour() )
            continue;

        // A highter priority zone or keepout area is found: remove this area
        item_boundingbox = zone->GetBoundingBox();
        if( !item_boundingbox.Intersects( zone_boundingbox ) )
            continue;

        // Add the zone outline area.
        // However if the zone has the same net as the current zone,
        // do not add any clearance.
        // the zone will be connected to the current zone, but filled areas
        // will use different parameters (clearance, thermal shapes )
        bool same_net = GetNetCode() == zone->GetNetCode();
        bool use_net_clearance = true;
        int min_clearance = zone_clearance;

        // Do not forget to make room to draw the thick outlines
        // of the hole created by the area of the zone to remove
        int holeclearance = zone->GetClearance() + outline_half_thickness;

        // The final clearance is obviously the max value of each zone clearance
        min_clearance = std::max( min_clearance, holeclearance );

        if( zone->GetIsKeepout() || same_net )
        {
            // Just take in account the fact the outline has a thickness, so
            // the actual area to substract is inflated to take in account this fact
            min_clearance = outline_half_thickness;
            use_net_clearance = false;
        }

        zone->TransformOutlinesShapeWithClearanceToPolygon(
                    aFeatures,
                    min_clearance, use_net_clearance );
    }

   // Remove thermal symbols
    for( MODULE* module = aPcb->m_Modules;  module;  module = module->Next() )
    {
        for( D_PAD* pad = module->Pads(); pad != NULL; pad = pad->Next() )
        {
            // Rejects non-standard pads with tht-only thermal reliefs
            if( GetPadConnection( pad ) == PAD_ZONE_CONN_THT_THERMAL
             && pad->GetAttribute() != PAD_ATTRIB_STANDARD )
                continue;

            if( GetPadConnection( pad ) != PAD_ZONE_CONN_THERMAL
             && GetPadConnection( pad ) != PAD_ZONE_CONN_THT_THERMAL )
                continue;

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

            if( pad->GetNetCode() != GetNetCode() )
                continue;
            item_boundingbox = pad->GetBoundingBox();
            int thermalGap = GetThermalReliefGap( pad );
            item_boundingbox.Inflate( thermalGap, thermalGap );

            if( item_boundingbox.Intersects( zone_boundingbox ) )
            {
                CreateThermalReliefPadPolygon( aFeatures,
                                               *pad, thermalGap,
                                               GetThermalReliefCopperBridge( pad ),
                                               m_ZoneMinThickness,
                                               segsPerCircle,
                                               correctionFactor, s_thermalRot );
            }
        }
    }

}

//.........这里部分代码省略.........
            ( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
                    aFeatures,
                    zclearance, segsPerCircle, correctionFactor );
            break;

        case PCB_TEXT_T:
            ( (TEXTE_PCB*) item )->TransformBoundingBoxWithClearanceToPolygon(
                    aFeatures, zclearance );
            break;

        default:
            break;
        }
    }

    // Add zones outlines having an higher priority and keepout
    for( int ii = 0; ii < m_board->GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* zone = m_board->GetArea( ii );

        // If the zones share no common layers
        if( !aZone->CommonLayerExists( zone->GetLayerSet() ) )
            continue;

        if( !zone->GetIsKeepout() && zone->GetPriority() <= aZone->GetPriority() )
            continue;

        if( zone->GetIsKeepout() && !zone->GetDoNotAllowCopperPour() )
            continue;

        // A highter priority zone or keepout area is found: remove this area
        item_boundingbox = zone->GetBoundingBox();

        if( !item_boundingbox.Intersects( zone_boundingbox ) )
            continue;

        // Add the zone outline area.
        // However if the zone has the same net as the current zone,
        // do not add any clearance.
        // the zone will be connected to the current zone, but filled areas
        // will use different parameters (clearance, thermal shapes )
        bool    same_net = aZone->GetNetCode() == zone->GetNetCode();
        bool    use_net_clearance = true;
        int     min_clearance = zone_clearance;

        // Do not forget to make room to draw the thick outlines
        // of the hole created by the area of the zone to remove
        int holeclearance = zone->GetClearance() + outline_half_thickness;

        // The final clearance is obviously the max value of each zone clearance
        min_clearance = std::max( min_clearance, holeclearance );

        if( zone->GetIsKeepout() || same_net )
        {
            // Just take in account the fact the outline has a thickness, so
            // the actual area to substract is inflated to take in account this fact
            min_clearance = outline_half_thickness;
            use_net_clearance = false;
        }

        zone->TransformOutlinesShapeWithClearanceToPolygon(
                aFeatures, min_clearance, use_net_clearance );
    }

    // Remove thermal symbols
    for( auto module : m_board->Modules() )
    {
        for( auto pad : module->Pads() )
        {
            // Rejects non-standard pads with tht-only thermal reliefs
            if( aZone->GetPadConnection( pad ) == PAD_ZONE_CONN_THT_THERMAL
                && pad->GetAttribute() != PAD_ATTRIB_STANDARD )
                continue;

            if( aZone->GetPadConnection( pad ) != PAD_ZONE_CONN_THERMAL
                && aZone->GetPadConnection( pad ) != PAD_ZONE_CONN_THT_THERMAL )
                continue;

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

            if( pad->GetNetCode() != aZone->GetNetCode() )
                continue;

            item_boundingbox = pad->GetBoundingBox();
            int thermalGap = aZone->GetThermalReliefGap( pad );
            item_boundingbox.Inflate( thermalGap, thermalGap );

            if( item_boundingbox.Intersects( zone_boundingbox ) )
            {
                CreateThermalReliefPadPolygon( aFeatures,
                        *pad, thermalGap,
                        aZone->GetThermalReliefCopperBridge( pad ),
                        aZone->GetMinThickness(),
                        segsPerCircle,
                        correctionFactor, s_thermalRot );
            }
        }
    }
}

//.........这里部分代码省略.........

    // Add zones outlines having an higher priority and keepout
    for( int ii = 0; ii < GetBoard()->GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* zone = GetBoard()->GetArea( ii );
        if( zone->GetLayer() != GetLayer() )
            continue;

        if( !zone->GetIsKeepout() && zone->GetPriority() <= GetPriority() )
            continue;

        if( zone->GetIsKeepout() && ! zone->GetDoNotAllowCopperPour() )
            continue;

        // A highter priority zone or keepout area is found: remove its area
        item_boundingbox = zone->GetBoundingBox();
        if( !item_boundingbox.Intersects( zone_boundingbox ) )
            continue;

        // Add the zone outline area.
        // However if the zone has the same net as the current zone,
        // do not add clearance.
        // the zone will be connected to the current zone, but filled areas
        // will use different parameters (clearance, thermal shapes )
        bool addclearance = GetNetCode() != zone->GetNetCode();
        int clearance = zone_clearance;

        if( zone->GetIsKeepout() )
        {
            addclearance = true;
            clearance = m_ZoneMinThickness / 2;
        }

        zone->TransformOutlinesShapeWithClearanceToPolygon(
                    cornerBufferPolysToSubstract,
                    clearance, addclearance );
    }

   // Remove thermal symbols
    for( MODULE* module = aPcb->m_Modules;  module;  module = module->Next() )
    {
        for( D_PAD* pad = module->Pads(); pad != NULL; pad = pad->Next() )
        {
            // Rejects non-standard pads with tht-only thermal reliefs
            if( GetPadConnection( pad ) == THT_THERMAL
             && pad->GetAttribute() != PAD_STANDARD )
                continue;

            if( GetPadConnection( pad ) != THERMAL_PAD
             && GetPadConnection( pad ) != THT_THERMAL )
                continue;

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

            if( pad->GetNetCode() != GetNetCode() )
                continue;
            item_boundingbox = pad->GetBoundingBox();
            int thermalGap = GetThermalReliefGap( pad );
            item_boundingbox.Inflate( thermalGap, thermalGap );

            if( item_boundingbox.Intersects( zone_boundingbox ) )
            {
                CreateThermalReliefPadPolygon( cornerBufferPolysToSubstract,
                                               *pad, thermalGap,
                                               GetThermalReliefCopperBridge( pad ),

//.........这里部分代码省略.........

    // Plot pads
    for( MODULE* module = aBoard->m_Modules; module; module = module->Next() )
    {
        // add shapes with exact size
        module->TransformPadsShapesWithClearanceToPolygon( layer,
                        initialPolys, 0,
                        circleToSegmentsCount, correction );
        // add shapes inflated by aMinThickness/2
        module->TransformPadsShapesWithClearanceToPolygon( layer,
                        bufferPolys, inflate,
                        circleToSegmentsCount, correction );
    }

    // Plot vias on solder masks, if aPlotOpt.GetPlotViaOnMaskLayer() is true,
    if( aPlotOpt.GetPlotViaOnMaskLayer() )
    {
        // The current layer is a solder mask,
        // use the global mask clearance for vias
        int via_clearance = aBoard->GetDesignSettings().m_SolderMaskMargin;
        int via_margin = via_clearance + inflate;
        for( TRACK* track = aBoard->m_Track; track; track = track->Next() )
        {
            const VIA* via = dynamic_cast<const VIA*>( track );

            if( !via )
                continue;

            // vias are plotted only if they are on the corresponding
            // external copper layer
            LAYER_MSK via_mask_layer = via->GetLayerMask();

            if( via_mask_layer & LAYER_BACK )
                via_mask_layer |= SOLDERMASK_LAYER_BACK;

            if( via_mask_layer & LAYER_FRONT )
                via_mask_layer |= SOLDERMASK_LAYER_FRONT;

            if( ( via_mask_layer & aLayerMask ) == 0 )
                continue;

            via->TransformShapeWithClearanceToPolygon( bufferPolys, via_margin,
                    circleToSegmentsCount,
                    correction );
            via->TransformShapeWithClearanceToPolygon( initialPolys, via_clearance,
                    circleToSegmentsCount,
                    correction );
        }
    }

    // Add filled zone areas
    for( int ii = 0; ii < aBoard->GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* zone = aBoard->GetArea( ii );

        if( zone->GetLayer() != layer )
            continue;

        zone->TransformOutlinesShapeWithClearanceToPolygon( bufferPolys,
                    inflate, true );
    }

    // Now:
    // 1 - merge areas which are intersecting, i.e. remove gaps
    //     having a thickness < aMinThickness
    // 2 - deflate resulting areas by aMinThickness/2
    KI_POLYGON_SET areasToMerge;
    bufferPolys.ExportTo( areasToMerge );
    KI_POLYGON_SET initialAreas;
    initialPolys.ExportTo( initialAreas );

    // Merge polygons: because each shape was created with an extra margin
    // = aMinThickness/2, shapes too close ( dist < aMinThickness )
    // will be merged, because they are overlapping
    KI_POLYGON_SET areas;
    areas |= areasToMerge;

    // Deflate: remove the extra margin, to create the actual shapes
    // Here I am using polygon:resize, because this function creates better shapes
    // than deflate algo.
    // Use here deflate with arc creation and 18 segments per circle to create arcs
    // In boost polygon (at least v 1.54 and previous) in very rare cases resize crashes
    // with 16 segments (perhaps related to 45 degrees pads). So using 18 segments
    // is a workaround to try to avoid these crashes
    areas = resize( areas, -inflate , true, 18 );

    // Resize slightly changes shapes. So *ensure* initial shapes are kept
    areas |= initialAreas;

    // To avoid a lot of code, use a ZONE_CONTAINER
    // to plot polygons, because they are exactly like
    // filled areas in zones
    ZONE_CONTAINER zone( aBoard );
    zone.SetArcSegmentCount( 32 );
    zone.SetMinThickness( 0 );      // trace polygons only
    zone.SetLayer ( layer );

    zone.CopyPolygonsFromKiPolygonListToFilledPolysList( areas );
    itemplotter.PlotFilledAreas( &zone );
}

//.........这里部分代码省略.........

    /* calculates the coeff to compensate radius reduction of holes clearance
     * due to the segment approx ( 1 /cos( PI/circleToSegmentsCount )
     */
    int circleToSegmentsCount = 32;
    double correction = 1.0 / cos( M_PI / circleToSegmentsCount );

    // Plot pads
    for( MODULE* module = aBoard->m_Modules; module; module = module->Next() )
    {
        // add shapes with exact size
        module->TransformPadsShapesWithClearanceToPolygon( layer,
                initialPolys, 0,
                circleToSegmentsCount, correction );
        // add shapes inflated by aMinThickness/2
        module->TransformPadsShapesWithClearanceToPolygon( layer,
                areas, inflate,
                circleToSegmentsCount, correction );
    }

    // Plot vias on solder masks, if aPlotOpt.GetPlotViaOnMaskLayer() is true,
    if( aPlotOpt.GetPlotViaOnMaskLayer() )
    {
        // The current layer is a solder mask,
        // use the global mask clearance for vias
        int via_clearance = aBoard->GetDesignSettings().m_SolderMaskMargin;
        int via_margin = via_clearance + inflate;

        for( TRACK* track = aBoard->m_Track; track; track = track->Next() )
        {
            const VIA* via = dyn_cast<const VIA*>( track );

            if( !via )
                continue;

            // vias are plotted only if they are on the corresponding
            // external copper layer
            LSET via_set = via->GetLayerSet();

            if( via_set[B_Cu] )
                via_set.set( B_Mask );

            if( via_set[F_Cu] )
                via_set.set( F_Mask );

            if( !( via_set & aLayerMask ).any() )
                continue;

            via->TransformShapeWithClearanceToPolygon( areas, via_margin,
                    circleToSegmentsCount,
                    correction );
            via->TransformShapeWithClearanceToPolygon( initialPolys, via_clearance,
                    circleToSegmentsCount,
                    correction );
        }
    }

    // Add filled zone areas.
#if 0   // Set to 1 if a solder mask margin must be applied to zones on solder mask
    int zone_margin = aBoard->GetDesignSettings().m_SolderMaskMargin;
#else
    int zone_margin = 0;
#endif

    for( int ii = 0; ii < aBoard->GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* zone = aBoard->GetArea( ii );

        if( zone->GetLayer() != layer )
            continue;

        zone->TransformOutlinesShapeWithClearanceToPolygon( areas,
                inflate+zone_margin, false );
        zone->TransformOutlinesShapeWithClearanceToPolygon( initialPolys,
                zone_margin, false );
    }

    // To avoid a lot of code, use a ZONE_CONTAINER
    // to handle and plot polygons, because our polygons look exactly like
    // filled areas in zones
    // Note, also this code is not optimized: it creates a lot of copy/duplicate data
    // However it is not complex, and fast enough for plot purposes (copy/convert data
    // is only a very small calculation time for these calculations)
    ZONE_CONTAINER zone( aBoard );
    zone.SetArcSegmentCount( 32 );
    zone.SetMinThickness( 0 );      // trace polygons only
    zone.SetLayer ( layer );

    areas.BooleanAdd( initialPolys );
    areas.Inflate( -inflate, circleToSegmentsCount );

    // Combine the current areas to initial areas. This is mandatory because
    // inflate/deflate transform is not perfect, and we want the initial areas perfectly kept
    areas.BooleanAdd( initialPolys );
    areas.Fracture();

    zone.AddFilledPolysList( areas );

    itemplotter.PlotFilledAreas( &zone );
}