Beispiel #1
0
        public bool ConvertBoardFile(string SourceFilename, string OutputFolder, string ProjectName)
        {
            bool        result      = false;
            int         net_index   = 1;
            DesignRules designRules = new DesignRules();

            PartMap = new RenameMap();
            k.LayerDescriptor layer;

            Trace(string.Format("Reading board file {0}", SourceFilename));
            board = EagleFile.LoadFromXmlFile(SourceFilename);

            //
            if (board != null)
            {
                libraryConverter = new LibraryConverter(Parent);
                ConvertComponentLibraries(OutputFolder, false);

                k.Pcb.kicad_pcb k_pcb = new k.Pcb.kicad_pcb();
                k_pcb.Modules  = new List <k.ModuleDef.Module>();
                k_pcb.Drawings = new List <k.Pcb.graphic_base>();

                // paper and size: get the page size
                PageStr  = "A4";
                PageSize = new SizeF(297, 210);
                foreach (Element element in board.Drawing.Board.Elements.Element)
                {
                    //
                    if (element.Library == "frames")
                    {
                        //todo:
                        //ConvertFrame(element.Package);
                        break;
                    }
                }
                k_pcb.Page = PageStr;


                // offset from bottom left
                DrawingOffset           = new PointF(2 * Common.inch_to_mm, 2 * Common.inch_to_mm);
                k_pcb.Setup.grid_origin = StrToPoint_Board("0", "0");


                //testFont(k_pcb);    // ** debug


                // get list of part names
                foreach (Element element in board.Drawing.Board.Elements.Element)
                {
                    PartMap.Add(element.Name);
                }
                PartMap.Annotate();



                // layers?


                #region ==== designrules ====
                foreach (Param param in board.Drawing.Board.Designrules.Param)
                {
                    designRules.Add(param.Name, param.Value);
                }

                #endregion

                #region ==== Plain - text ====
                foreach (Text text in board.Drawing.Board.Plain.Text)
                {
                    bool mirror;
                    int  angle = Common.xGetAngleFlip(text.Rot, out mirror);

                    layer = ConvertLayer(text.Layer);
                    if (layer != null)
                    {
                        k.Pcb.gr_text k_text = new k.Pcb.gr_text(
                            text.mText,
                            StrToPoint_Board(text.X, text.Y),
                            layer.Name,
                            new SizeF(Common.StrToVal_mm(text.Size), Common.StrToVal_mm(text.Size)),
                            Common.GetTextThickness_mm(text),
                            angle
                            );
                        k_text.effects.horiz_align = k.TextJustify.left;

                        SizeF  textSize = strokeFont.GetTextSize(text.mText, k_text.effects);
                        PointF offset   = new PointF(textSize.Width / 2, textSize.Height / 2);

                        // TODO: spin

                        switch ((int)ExtRotation.Parse(text.Rot).Rotation)
                        {
                        case 0:
                            if (mirror)
                            {
                                k_text.Position.At.Y -= offset.Y;
                            }
                            else
                            {
                                k_text.Position.At.Y -= offset.Y;
                            }
                            break;

                        case 90:
                            if (mirror)
                            {
                                k_text.Position.At.X += offset.Y;
                                k_text.Position.At.Y -= textSize.Width;
                            }
                            else
                            {
                                k_text.Position.At.X -= offset.Y;
                            }
                            break;

                        case 180:
                            if (mirror)
                            {
                                k_text.Position.At.Y += offset.Y;
                            }
                            else
                            {
                                k_text.Position.At.Y += textSize.Height;
                            }
                            break;

                        case 270:
                            if (mirror)
                            {
                                k_text.Position.At.X -= offset.Y;
                                k_text.Position.At.Y += textSize.Width;
                            }
                            else
                            {
                                k_text.Position.At.X += offset.Y;
                            }
                            break;
                        }

                        k_pcb.Drawings.Add(k_text);
                    }
                }
                #endregion

                #region ==== Plain - lines ====
                foreach (Wire wire in board.Drawing.Board.Plain.Wire)
                {
                    layer = ConvertLayer(wire.Layer);
                    if (layer != null)
                    {
                        float width = Common.StrToVal_mm(wire.Width);

                        //todo: arcs

                        k.Pcb.gr_line k_line = new k.Pcb.gr_line(
                            StrToPoint_Board(wire.X1, wire.Y1), StrToPoint_Board(wire.X2, wire.Y2),
                            layer.Name,
                            width
                            );

                        k_pcb.Drawings.Add(k_line);
                    }
                }
                #endregion

                #region ==== Plain - rectangle ====
                // convert to unconnected zones
                foreach (EagleImport.Rectangle rect in board.Drawing.Board.Plain.Rectangle)
                {
                    layer = ConvertLayer(rect.Layer);
                    if (layer != null)
                    {
                        PointF p1 = StrToPoint_Board(rect.X1, rect.Y1);
                        PointF p2 = StrToPoint_Board(rect.X2, rect.Y2);

                        k.Pcb.Zone zone = new k.Pcb.Zone();
                        zone.layer                     = layer.Name;
                        zone.net                       = 0;
                        zone.net_name                  = "";
                        zone.hatch_pitch               = 0.508f;
                        zone.connect_pads_clearance    = 0.508f;
                        zone.min_thickness             = 0.001f;
                        zone.is_filled                 = false;
                        zone.fill_arc_segments         = 16;
                        zone.fill_thermal_gap          = 0.508f;
                        zone.fill_thermal_bridge_width = 0.508f;

                        zone.polygon.Add(new PointF(p1.X, p1.Y));
                        zone.polygon.Add(new PointF(p2.X, p1.Y));
                        zone.polygon.Add(new PointF(p2.X, p2.Y));
                        zone.polygon.Add(new PointF(p1.X, p2.Y));
                        k_pcb.Zones.Add(zone);

                        // todo : not needed?
                        //k.Pcb.gr_line k_line;
                        //k_line = new k.Pcb.gr_line(new PointF(p1.X, p1.Y), new PointF(p2.X, p1.Y), layer.Name, width);
                        //k_pcb.Drawings.Add(k_line);
                        //k_line = new k.Pcb.gr_line(new PointF(p2.X, p1.Y), new PointF(p2.X, p2.Y), layer.Name, width);
                        //k_pcb.Drawings.Add(k_line);
                        //k_line = new k.Pcb.gr_line(new PointF(p1.X, p2.Y), new PointF(p2.X, p2.Y), layer.Name, width);
                        //k_pcb.Drawings.Add(k_line);
                        //k_line = new k.Pcb.gr_line(new PointF(p1.X, p1.Y), new PointF(p1.X, p2.Y), layer.Name, width);
                        //k_pcb.Drawings.Add(k_line);
                    }
                }
                #endregion

                #region ==== Plain - Hole ====
                foreach (Hole hole in board.Drawing.Board.Plain.Hole)
                {
                    PointF p1    = StrToPoint_Board(hole.X, hole.Y);
                    float  drill = Common.StrToVal_mm(hole.Drill);

                    k_pcb.AddModule(NonplatedHole(drill, drill), p1);
                }
                #endregion

                #region ==== plain.dimension ====
                foreach (Dimension dim in board.Drawing.Board.Plain.Dimension)
                {
                    layer = ConvertLayer(dim.Layer);
                    if (layer != null)
                    {
                        PointF p1         = StrToPoint_Board(dim.X1, dim.Y1);
                        PointF p2         = StrToPoint_Board(dim.X2, dim.Y2);
                        PointF p3         = StrToPoint_Board(dim.X3, dim.Y3);
                        float  line_width = 0.15f; // default width?
                        float  text_size  = Common.StrToVal_mm(dim.TextSize);
                        float  text_width = Common.GetTextThickness_mm(dim.TextSize, dim.TextRatio);

                        if (!string.IsNullOrEmpty(dim.Width))
                        {
                            line_width = Common.StrToVal_mm(dim.Width);
                        }

                        switch (dim.Dtype)
                        {
                        case DimensionType.parallel:
                        case DimensionType.radius:
                        case DimensionType.diameter:
                            k.Pcb.Dimension k_dim = new k.Pcb.Dimension(layer.Name, line_width, p1, p2, text_size, text_width,
                                                                        dim.Unit == GridUnit.mm, int.Parse(dim.Precision), dim.Visible == Bool.yes);
                            k_pcb.Dimensions.Add(k_dim);
                            break;
                            //todo : others?
                        }
                    }
                }
                #endregion

                #region ==== plain.polygon ====
                foreach (EagleImport.Polygon poly in board.Drawing.Board.Plain.Polygon)
                {
                    //todo

                    // if layer is tRestrict or bRestrict, create a keepout zone
                    if ((poly.Layer == "41") || (poly.Layer == "42"))
                    {
                        k.Pcb.Zone zone = new k.Pcb.Zone();

                        if (poly.Layer == "41")
                        {
                            zone.layer = k.LayerList.StandardLayers.GetLayerName(k.Layer.nFront_Cu);
                        }
                        else if (poly.Layer == "42")
                        {
                            zone.layer = k.LayerList.StandardLayers.GetLayerName(k.Layer.nBack_Cu);
                        }

                        zone.net                       = 0;
                        zone.net_name                  = "";
                        zone.hatch_pitch               = 0.508f;
                        zone.connect_pads_clearance    = 0;
                        zone.min_thickness             = 10.0f;
                        zone.is_filled                 = false;
                        zone.fill_arc_segments         = 16;
                        zone.connect_pads_mode         = k.Pcb.ZonePadConnection.yes; //solid
                        zone.fill_thermal_gap          = 0.508f;
                        zone.fill_thermal_bridge_width = 0.508f;

                        zone.is_keepout                = true;
                        zone.outline_style             = k.Pcb.ZoneOutlineStyle.none;
                        zone.keepout_allow_copper_pour = Kicad_utils.Allowed.not_allowed;

                        zone.priority = 7;

                        foreach (Vertex v in poly.Vertex)
                        {
                            zone.polygon.Add(StrToPoint_Board(v.X, v.Y));
                        }

                        k_pcb.Zones.Add(zone);
                    }
                }
                #endregion

                #region ==== Signals ====
                // get net list
                foreach (Signal signal in board.Drawing.Board.Signals.Signal)
                {
                    //todo: ?
                    k_pcb.Nets.Add(new k.Pcb.Net(net_index, signal.Name));
                    net_index++;
                }

                List <PinConnection> Contacts = new List <PinConnection>();

                foreach (Signal signal in board.Drawing.Board.Signals.Signal)
                {
                    //todo: ?
                    k.Pcb.Net k_net = k_pcb.Nets.Find(x => x.Name == signal.Name);

                    foreach (Wire wire in signal.Wire)
                    {
                        layer = ConvertLayer(wire.Layer);
                        if (layer != null)
                        {
                            // todo: segment must be on a copper layer?
                            // ignore unrouted
                            if (wire.Layer != "19")
                            {
                                float width = Common.StrToVal_mm(wire.Width);
                                //todo: arcs?

                                k.Pcb.PcbSegment seg = new Kicad_utils.Pcb.PcbSegment();

                                seg.layer = layer.Name;
                                seg.net   = k_net.Number;
                                seg.start = StrToPoint_Board(wire.X1, wire.Y1);
                                seg.end   = StrToPoint_Board(wire.X2, wire.Y2);
                                seg.width = width;

                                k_pcb.Segments.Add(seg);

                                Contacts.Add(new PinConnection(signal.Name, seg.start, layer.Name, null, null));
                                Contacts.Add(new PinConnection(signal.Name, seg.end, layer.Name, null, null));
                            }
                        }
                    }

                    // contactref
                    foreach (Contactref con_ref in signal.Contactref)
                    {
                        Contacts.Add(new PinConnection(signal.Name, PointF.Empty, null, con_ref.Element, con_ref.Pad));
                    }

                    //<via x="6.6675" y="49.2125" extent="1-16" drill="0.3" shape="octagon"/>
                    foreach (Via via in signal.Via)
                    {
                        float  drill = Common.StrToVal_mm(via.Drill);
                        PointF pos   = StrToPoint_Board(via.X, via.Y);
                        float  size  = Common.StrToVal_mm(via.Diameter);

                        if (size == 0)
                        {
                            size = designRules.CalcViaSize(drill);
                        }

                        k.Pcb.Via k_via = new k.Pcb.Via(pos, size, drill,
                                                        k.LayerList.StandardLayers.GetLayerName(k.Layer.nFront_Cu),
                                                        k.LayerList.StandardLayers.GetLayerName(k.Layer.nBack_Cu),
                                                        k_net.Number);

                        PinConnection p_conn = Contacts.Find(x => x.position.X == k_via.at.X && x.position.Y == k_via.at.Y);

                        if (via.Extent == "1-16")
                        {
                            k_via.topmost_layer  = k.LayerList.StandardLayers.GetLayerName(k.Layer.nFront_Cu);
                            k_via.backmost_layer = k.LayerList.StandardLayers.GetLayerName(k.Layer.nBack_Cu);
                        }
                        else
                        {
                            Trace(string.Format("error : blind/buried via ? {0},{1} {2} {3}", via.X, via.Y, signal.Name, via.Extent));
                        }

                        if (p_conn == null)
                        {
                            Trace(string.Format("note : loose via converted to pad at {0},{1} net={2}", via.X, via.Y, signal.Name));
                            k.ModuleDef.Module k_pad = ViaPad(size, drill, k_net);
                            k_pcb.AddModule(k_pad, pos);
                        }
                        else
                        {
                            k_pcb.Vias.Add(k_via);
                        }
                    }

                    foreach (EagleImport.Polygon poly in signal.Polygon)
                    {
                        //<polygon width="0.2032" layer="1" spacing="0.254" isolate="0.254" rank="2">
                        //defaults are 6 mil
                        float width   = 0.1524f;
                        float isolate = 0.1524f;
                        float spacing = 0.1524f;
                        int   rank    = int.Parse(poly.Rank);

                        layer = ConvertLayer(poly.Layer);
                        if (layer != null)
                        {
                            //todo: clearances etc should come from DesignRules?

                            if (!string.IsNullOrEmpty(poly.Width))
                            {
                                width = Common.StrToVal_mm(poly.Width);
                            }

                            if (!string.IsNullOrEmpty(poly.Isolate))
                            {
                                isolate = Common.StrToVal_mm(poly.Isolate);
                            }

                            if (!string.IsNullOrEmpty(poly.Spacing))
                            {
                                spacing = Common.StrToVal_mm(poly.Spacing);
                            }

                            if (k.Layer.IsCopperLayer(layer.Number) || (poly.Layer == "41") || (poly.Layer == "42"))
                            {
                                k.Pcb.Zone zone = new k.Pcb.Zone();

                                if (poly.Layer == "41")
                                {
                                    zone.layer = k.LayerList.StandardLayers.GetLayerName(k.Layer.nFront_Cu);
                                }
                                else if (poly.Layer == "42")
                                {
                                    zone.layer = k.LayerList.StandardLayers.GetLayerName(k.Layer.nBack_Cu);
                                }
                                else
                                {
                                    zone.layer = layer.Name;
                                }

                                zone.net                       = k_net.Number;
                                zone.net_name                  = k_net.Name;
                                zone.outline_style             = k.Pcb.ZoneOutlineStyle.edge;
                                zone.hatch_pitch               = 0.508f;
                                zone.connect_pads_clearance    = 0.2032f;
                                zone.min_thickness             = width; // ??
                                zone.fill_arc_segments         = 32;
                                zone.fill_thermal_gap          = 0.2032f;
                                zone.fill_thermal_bridge_width = 0.2032f;
                                zone.is_filled                 = false;

                                foreach (Vertex v in poly.Vertex)
                                {
                                    zone.polygon.Add(StrToPoint_Board(v.X, v.Y));
                                }

                                if ((poly.Pour == PolygonPour.cutout) ||
                                    !k.Layer.IsCopperLayer(layer.Number))
                                {
                                    zone.is_keepout                = true;
                                    zone.outline_style             = k.Pcb.ZoneOutlineStyle.none;
                                    zone.keepout_allow_copper_pour = Kicad_utils.Allowed.not_allowed;
                                }

                                if (!string.IsNullOrEmpty(poly.Isolate))
                                {
                                    zone.connect_pads_clearance = isolate;
                                }

                                if (poly.Thermals == Bool.yes)
                                {
                                    zone.connect_pads_mode         = k.Pcb.ZonePadConnection.thermal_relief;
                                    zone.fill_thermal_gap          = width + 0.001f; // **
                                    zone.fill_thermal_bridge_width = width + 0.001f; // **
                                }
                                else
                                {
                                    zone.connect_pads_mode = k.Pcb.ZonePadConnection.yes;
                                }

                                // priority on KiCad is opposite to rank
                                zone.priority = 6 - rank;

                                k_pcb.Zones.Add(zone);
                            }
                        }
                    }

                    //
                }
                #endregion

                #region ==== Elements ====
                foreach (Element element in board.Drawing.Board.Elements.Element)
                {
                    //todo:

                    k.ModuleDef.Module k_mod;

                    // find package library : package
                    string footprint_sid = element.Library + ":" + libraryConverter.FootprintNameMap.GetNewName(element.Package);

                    k.ModuleDef.Module k_template = libraryConverter.AllFootprints.Find(x => x.Name == footprint_sid);

                    if (k_template == null)
                    {
                        Trace(string.Format("error: {0} not found", footprint_sid));
                    }
                    else
                    {
                        k_mod                 = k_template.Clone(true);
                        k_mod.Name            = footprint_sid;
                        k_mod.Reference.Value = PartMap.GetNewName(element.Name);
                        k_mod.At              = StrToPoint_Board(element.X, element.Y);

                        if (k_mod.Value != null)
                        {
                            k_mod.Value.Value = element.Value;
                        }

                        k_mod.layer = k.LayerList.StandardLayers.GetLayerName(k.Layer.nFront_Cu);

                        // Set position, orientation
                        ExtRotation elementRot    = ExtRotation.Parse(element.Rot);
                        int         element_angle = (int)elementRot.Rotation;


                        // get attributes for text

                        foreach (EagleImport.Attribute attrib in element.Attribute)
                        {
                            ExtRotation attrRot     = ExtRotation.Parse(attrib.Rot);
                            bool        attr_mirror = attrRot.Mirror;
                            int         attr_angle  = (int)attrRot.Rotation;

                            layer = ConvertLayer(attrib.Layer);
                            if (layer != null)
                            {
                                //k.Symbol.SymbolField sym_field = null;
                                k.ModuleDef.fp_text field = null;
                                switch (attrib.Name)
                                {
                                case "NAME":
                                    //sym_field = k_symbol.fReference;
                                    field = k_mod.Reference;
                                    break;

                                case "VALUE":
                                    //sym_field = k_symbol.fValue;
                                    field = k_mod.Value;
                                    break;

                                    // Part?
                                    // voltage, current
                                }

                                if (field != null)
                                {
                                    field.effects.font.Size = new SizeF(Common.StrToVal_mm(attrib.Size), Common.StrToVal_mm(attrib.Size));

                                    field.layer = layer.Name;

                                    field.layer = k.Layer.MakeLayerName(k_mod.layer, field.layer);

                                    //field.effects.horiz_align = k.TextJustify.left;
                                    //field.effects.vert_align = k.VerticalAlign.bottom;

                                    SetPcbTextAttributes(field,
                                                         StrToPoint_Board(element.X, element.Y), elementRot,
                                                         StrToPoint_Board(attrib.X, attrib.Y), attrRot);

                                    //      AdjustPos(field);

                                    //debug
                                    if (pcb_debug)
                                    {
                                        PointF ptext    = new PointF(field.position.At.X, field.position.At.Y);
                                        SizeF  textSize = strokeFont.GetTextSize(field.Value, field.effects);

                                        if (elementRot.Mirror)
                                        {
                                            // get bottom right
                                            ptext.X += textSize.Width / 2;
                                            ptext.Y += textSize.Height / 2;

                                            ptext   = ptext.Rotate(-elementRot.Rotation - 180);
                                            ptext.Y = -ptext.Y;
                                        }
                                        else
                                        {
                                            // get bottom left
                                            ptext.X -= textSize.Width / 2;
                                            ptext.Y += textSize.Height / 2;
                                            ptext    = ptext.Rotate(-elementRot.Rotation);
                                        }


                                        ptext = k_mod.position.At.Add(ptext);

                                        //!DrawRect(k_pcb, ptext, textSize, -(elementRot.Rotation + field.position.Rotation));

                                        //
                                        PointF        p1 = new PointF(field.position.At.X, field.position.At.Y);
                                        k.Pcb.gr_line k_line;
                                        float         ds = 1.27f;

                                        if (elementRot.Mirror)
                                        {
                                            p1   = p1.Rotate(-elementRot.Rotation - 180);
                                            p1.Y = -p1.Y;
                                        }
                                        else
                                        {
                                            p1 = p1.Rotate(-elementRot.Rotation);
                                        }

                                        //p1 = p1.Rotate(field.position.Rotation);
                                        //p1 = p1.Rotate(k_mod.position.Rotation);


                                        k_line = new k.Pcb.gr_line(
                                            new PointF(k_mod.position.At.X + p1.X - ds, k_mod.position.At.Y + p1.Y),
                                            new PointF(k_mod.position.At.X + p1.X + ds, k_mod.position.At.Y + p1.Y), "Dwgs.User", 0.01f);
                                        k_pcb.Drawings.Add(k_line);

                                        k_line = new k.Pcb.gr_line(
                                            new PointF(k_mod.position.At.X + p1.X, k_mod.position.At.Y + p1.Y - ds),
                                            new PointF(k_mod.position.At.X + p1.X, k_mod.position.At.Y + p1.Y + ds), "Dwgs.User", 0.01f);
                                        k_pcb.Drawings.Add(k_line);
                                    }
                                }
                            }
                        }

                        // Note: the Eagle "mirror" attribute reverses side and flips about Y | axis, but
                        // Kicad "flip" reverses side and flips about X -- axis.
                        // therefore Eagle mirror is equivalent to Kicad flip + rotate(180)

                        if (elementRot.Mirror)
                        {
                            k_mod.RotateBy(MathUtil.NormalizeAngle(-(element_angle + 180)));
                            k_mod.FlipX(k_mod.position.At);
                        }
                        else //if (element_angle != 0)
                        {
                            k_mod.RotateBy(element_angle);
                        }


                        // fix up pads
                        foreach (k.ModuleDef.pad pad in k_mod.Pads)
                        {
                            string new_name = PartMap.GetNewName(element.Name);

                            if (pad.type != k.ModuleDef.pad.nonplated_hole)
                            {
                                PinConnection contact = Contacts.Find(x => x.PartName == element.Name && x.PinName == pad.number);

                                if (contact == null)
                                {
                                    // may actually be a non-connect
                                    //   Trace(string.Format("warning: contact {0} {1} not found", element.Name, pad.number));
                                }
                                else
                                {
                                    pad.net = k_pcb.Nets.Find(x => x.Name == contact.NetLabel);
                                }
                            }
                        }

                        //
                        k_pcb.Modules.Add(k_mod);
                    }
                }
                #endregion



                // transfer some design rules

                k_pcb.Setup.trace_min = designRules.GetValueFloat("msWidth");

                k_pcb.Setup.via_min_size  = designRules.GetValueFloat("msWidth");
                k_pcb.Setup.via_min_drill = designRules.GetValueFloat("msDrill");

                k_pcb.Setup.uvia_min_size  = designRules.GetValueFloat("msMicroVia");
                k_pcb.Setup.uvia_min_drill = designRules.GetValueFloat("msMicroVia"); // not right, but need layer thickness to calculate correctly

                // allow uvia
                // allow blind/buried via

                // grid

                // text and drawings

                // pad

                // pad mask clearance

                //default netclass
                k_pcb.NetClasses[0].clearance   = designRules.GetValueFloat("mdPadVia");
                k_pcb.NetClasses[0].trace_width = designRules.GetValueFloat("msWidth");
                k_pcb.NetClasses[0].via_dia     = designRules.GetValueFloat("msWidth");
                k_pcb.NetClasses[0].via_drill   = designRules.GetValueFloat("msDrill");
                k_pcb.NetClasses[0].uvia_dia    = designRules.GetValueFloat("msMicroVia");
                k_pcb.NetClasses[0].uvia_drill  = designRules.GetValueFloat("msMicroVia"); // not right

                // write the KiCad file
                string filename = Path.Combine(OutputFolder, ProjectName + ".kicad_pcb");
                Trace(string.Format("Writing board {0}", filename));
                k_pcb.SaveToFile(filename);

                result = true;
            }
            else
            {
                result = false;

                Trace(string.Format("error opening {0}", SourceFilename));
            }

            return(result);
        }
Beispiel #2
0
        private void ConvertSheet(k.Schema.SchematicLegacy k_schematic, int EagleSheetNumber, string DestName, bool IsMain, int SheetNumber, int NumSheets)
        {
            List <PinConnection> connections = new List <PinConnection>();
            List <LineSegment>   BusLines    = new List <LineSegment>();

            Trace(string.Format("Processing schematic sheet: {0}", EagleSheetNumber + 1));

            Sheet       source_sheet = schematic.Drawing.Schematic.Sheets.Sheet[EagleSheetNumber];
            SheetLegacy k_sheet      = new SheetLegacy();

            k_sheet.Filename    = DestName;
            k_sheet.LibNames    = libraryConverter.LibNames;
            k_sheet.SheetNumber = SheetNumber;
            k_sheet.SheetCount  = NumSheets;

            k_schematic.Sheets.Add(k_sheet);

            if (IsMain)
            {
                k_schematic.MainSheet = k_sheet;
            }

            // first get the page size
            foreach (Instance instance in source_sheet.Instances.Instance)
            {
                // find part ->
                Part part = FindPart(instance.Part);
                if (part == null)
                {
                    continue;
                }

                //
                if (part.Library == "frames")
                {
                    PageStr  = "A4";
                    PageSize = new SizeF(297, 210);

                    ConvertFrame(part.Deviceset);

                    k_sheet.PaperName = PageStr;
                    k_sheet.PageSize  = new SizeF(PageSize.Width * Common.mm_to_mil, PageSize.Height * Common.mm_to_mil);
                    break;
                }
            }

            // text items
            foreach (Text text in source_sheet.Plain.Text)
            {
                bool mirror;

                k.Schema.sch_text k_text = sch_text.CreateNote(
                    text.mText,
                    StrToPointInchFlip(text.X, text.Y),
                    Common.StrToInch(text.Size),
                    Common.xGetAngleFlip(text.Rot, out mirror),
                    false, false);

                switch (Common.GetAngle(text.Rot))
                {
                case 0: break;

                case 90:
                    if (mirror)
                    {
                        k_text.Pos.X += (int)(k_text.TextSize * 1.5f);
                        k_text.Pos.Y -= (int)(k_text.name.Length * k_text.TextSize * 1.5f);
                    }
                    break;

                case 180:
                    k_text.Pos.Y += (int)(k_text.TextSize * 1.5f);
                    break;

                case 270:
                    if (mirror)
                    {
                        //k_text.Pos.X += (int)(k_text.TextSize * 1.5f);
                        k_text.Pos.Y += (int)(k_text.name.Length * k_text.TextSize * 1.7f);
                    }
                    else
                    {
                        k_text.Pos.X += (int)(k_text.TextSize * 1.5f);
                    }
                    break;
                }

                k_sheet.Items.Add(k_text);
            }

            // lines
            foreach (Wire wire in source_sheet.Plain.Wire)
            {
                k.Schema.sch_wire k_line = sch_wire.CreateLine(StrToPointInchFlip(wire.X1, wire.Y1),
                                                               StrToPointInchFlip(wire.X2, wire.Y2));

                k_sheet.Items.Add(k_line);
            }

            #region === (Instance) components ====
            foreach (Instance instance in source_sheet.Instances.Instance)
            {
                // find part ->
                Part part = FindPart(instance.Part);

                if (part == null)
                {
                    Trace("error: Part not found: " + instance.Part);
                    continue;
                }

                if (part.Library == "frames")
                {
                    continue;
                }

                k.Symbol.Symbol k_symbol = FindSymbol(part.Deviceset);

                LegacyComponent k_comp = new LegacyComponent();

                k_comp.Timestamp = GetUniqueTimeStamp();

                // need to flip Y coord
                k_comp.Position = StrToPointInchFlip(instance.X, instance.Y);
                k_comp.Symbol   = new PartSpecifier(part.Deviceset + part.Device);

                // set Reference field
                if (!k_symbol.PowerSymbol)
                {
                    k_comp.Reference = PartMap.GetNewName(instance.Part);
                    if (instance.Part != k_comp.Reference)
                    {
                        Trace(String.Format("note: {0} is renamed {1}", instance.Part, k_comp.Reference));
                    }
                }
                else
                {
                    k_comp.Reference         = k_symbol.Reference;
                    k_comp.fReference.Hidden = !k_symbol.fReference.Text.Visible;
                    k_comp.fReference.Size   = (int)k_symbol.fReference.Text.FontSize;
                }

                // set a default pos/
                k_comp.fReference.Pos          = new PointF(k_comp.Position.X + k_symbol.fReference.Text.Pos.At.X, k_comp.Position.Y + k_symbol.fReference.Text.Pos.At.Y);
                k_comp.fReference.HorizJustify = "L";
                k_comp.fReference.VertJustify  = "B";

                // Set Value field
                if (!string.IsNullOrEmpty(part.Value))
                {
                    k_comp.Value = part.Value;
                }
                else
                {
                    k_comp.Value = k_symbol.fValue.Text.Value;
                }

                k_comp.fValue.Pos          = new PointF(k_comp.Position.X + k_symbol.fValue.Text.Pos.At.X, k_comp.Position.Y + k_symbol.fValue.Text.Pos.At.Y);
                k_comp.fValue.HorizJustify = "L";
                k_comp.fValue.VertJustify  = "B";

                // Set Footprint field
                Device device = libraryConverter.AllDevices.Find(x => x.Name == part.Deviceset + part.Device);
                if (device != null)
                {
                    k_comp.Footprint = part.Library + ":" + device.Package;
                }
                k_comp.fPcbFootprint.Pos    = new PointF(k_comp.Position.X, k_comp.Position.Y);
                k_comp.fPcbFootprint.Hidden = true;

                // User doc field (not used)
                k_comp.fUserDocLink.Pos = new PointF(k_comp.Position.X, k_comp.Position.Y);

                //
                if (k_symbol.NumUnits > 1)
                {
                    int unit = GetUnitNumber(part, instance.Gate);
                    k_comp.N = unit;
                }

                // ---------------------------------
                // Set position, orientation
                ExtRotation instanceRot     = ExtRotation.Parse(instance.Rot);
                bool        instance_mirror = instanceRot.Mirror;
                int         instance_angle  = (int)instanceRot.Rotation;

                if (!string.IsNullOrEmpty(instance.Rot))
                {
                    if (instance_mirror)
                    {
                        k_comp.Rotation = (instance_angle + 180) % 360;
                    }
                    else
                    {
                        k_comp.Rotation = instance_angle;
                    }
                    k_comp.Mirror = instance_mirror;
                }

                foreach (EagleImport.Attribute attrib in instance.Attribute)
                {
                    ExtRotation attrRot     = ExtRotation.Parse(attrib.Rot);
                    bool        attr_mirror = attrRot.Mirror;
                    int         attr_angle  = (int)attrRot.Rotation;

                    //int angle = GetAngle(attrib.Rot);
                    //angle %= 360;
                    //string orientation = (angle == 0) || (angle == 180) ? "H" : "V";

                    k.Symbol.SymbolField sym_field = null;
                    LegacyField          field     = null;
                    switch (attrib.Name)
                    {
                    case "NAME":
                        sym_field = k_symbol.fReference;
                        field     = k_comp.fReference;
                        //field.Pos = new PointF(k_comp.Position.X + k_symbol.fReference.Text.Pos.X, k_comp.Position.Y + k_symbol.fReference.Text.Pos.Y);
                        break;

                    case "VALUE":
                        sym_field = k_symbol.fValue;
                        field     = k_comp.fValue;
                        //field.Pos = new PointF(k_comp.Position.X + k_symbol.fValue.Text.Pos.X, k_comp.Position.Y + k_symbol.fValue.Text.Pos.Y);
                        break;

                        //Part?
                        // voltage, current
                    }

                    if (field != null)
                    {
                        field.Size = (int)Common.StrToInch(attrib.Size);

                        SetFieldAttributes(field, StrToPointInchFlip(attrib.X, attrib.Y),
                                           //sym_field.Text.xAngle, sym_field.Text.xMirror, k_comp.Position, attr_angle, attr_mirror);
                                           instance_angle, k_comp.Mirror, k_comp.Position, attr_angle, attr_mirror);

                        //PointF p = Common.StrToPointInchFlip (attrib.X, attrib.Y);

                        //field.Pos = Common.StrToPointInchFlip(attrib.X, attrib.Y);

                        //debug
                        // field pos rotated about comp pos
                        PointF            p = PointFExt.Rotate(field.Pos, k_comp.Position, k_comp.Rotation);
                        k.Schema.sch_wire k_line;

                        //// field pos  +
                        ////PointF p = field.Pos;
                        //k_line = sch_wire.CreateLine(new PointF(p.X - 25, p.Y), new PointF(p.X + 25, p.Y));
                        //k_sheet.Items.Add(k_line);
                        //k_line = sch_wire.CreateLine(new PointF(p.X, p.Y - 25), new PointF(p.X, p.Y + 25));
                        //k_sheet.Items.Add(k_line);

                        // actual coord of attribute  |__
                        //p = Common.StrToPointInchFlip(attrib.X, attrib.Y);
                        //k_line = sch_wire.CreateLine(new PointF(p.X-50, p.Y), new PointF(p.X + 50, p.Y));
                        //k_sheet.Items.Add(k_line);
                        //k_line = sch_wire.CreateLine(new PointF(p.X, p.Y-50), new PointF(p.X, p.Y + 50));
                        //k_sheet.Items.Add(k_line);
                    }
                }

                //
                AllComponents.Add(k_comp);

                k_sheet.Components.Add(k_comp);
            }
            #endregion

            #region ==== Busses ====
            foreach (Bus bus in source_sheet.Busses.Bus)
            {
                foreach (Segment segment in bus.Segment)
                {
                    foreach (Wire wire in segment.Wire)
                    {
                        k.Schema.sch_wire k_bus = sch_wire.CreateBus(StrToPointInchFlip(wire.X1, wire.Y1),
                                                                     StrToPointInchFlip(wire.X2, wire.Y2));

                        k_sheet.Items.Add(k_bus);

                        BusLines.Add(new LineSegment(Vector2Ext.ToVector2(k_bus.start), Vector2Ext.ToVector2(k_bus.end)));
                    }
                }
            }
            #endregion


            #region ==== (Net) look for wires, junctions, labels ====
            foreach (Net net in source_sheet.Nets.Net)
            {
                foreach (Segment segment in net.Segment)
                {
                    List <Vector2>     snap_points = new List <Vector2>();
                    List <LineSegment> snap_lines  = new List <LineSegment>();

                    foreach (Wire wire in segment.Wire)
                    {
                        PointF start = StrToPointInchFlip(wire.X1, wire.Y1);
                        PointF end   = StrToPointInchFlip(wire.X2, wire.Y2);

                        Vector2 p1 = Vector2Ext.ToVector2(start);
                        Vector2 p2 = Vector2Ext.ToVector2(end);

                        bool is_bus_entry = false;

                        foreach (LineSegment line in BusLines)
                        {
                            if (line.Contains(p1) || line.Contains(p2))
                            {
                                is_bus_entry = true;
                            }
                        }

                        if (is_bus_entry)
                        {
                            sch_wire k_wire = sch_wire.CreateWireToBusEntry(start, end);
                            k_sheet.Items.Add(k_wire);
                        }
                        else
                        {
                            sch_wire k_wire = sch_wire.CreateWire(start, end);
                            k_sheet.Items.Add(k_wire);
                            //snap_points.Add(Vector2Ext.ToVector2(k_wire.start));
                            //snap_points.Add(Vector2Ext.ToVector2(k_wire.end));
                            snap_lines.Add(new LineSegment(Vector2Ext.ToVector2(k_wire.start), Vector2Ext.ToVector2(k_wire.end)));
                        }
                    }

                    foreach (Junction junction in segment.Junction)
                    {
                        sch_Junction k_junction = new sch_Junction(StrToPointInchFlip(junction.X, junction.Y));
                        k_sheet.Items.Add(k_junction);

                        snap_points.Add(Vector2Ext.ToVector2(k_junction.Pos));
                    }

                    //todo: add gate positions to snap_points

                    foreach (Pinref pinref in segment.Pinref)
                    {
                        Part            part     = FindPart(pinref.Part);
                        k.Symbol.Symbol k_symbol = FindSymbol(part.Deviceset);

                        // get comp ...

                        PinConnection connect = connections.Find(x => x.Part == part && x.GateId == pinref.Gate && x.PinName == pinref.Pin);
                        if (connect == null)
                        {
                            connect = new PinConnection(net.Name, part, pinref.Gate, pinref.Pin);
                            connections.Add(connect);
                        }
                    }

                    foreach (Label label in segment.Label)
                    {
                        ExtRotation rot = ExtRotation.Parse(label.Rot);

                        int angle = (int)rot.Rotation;
                        if (rot.Mirror)
                        {
                            if ((angle % 180) == 0)
                            {
                                angle = 180 - angle;
                            }
                        }
                        //angle %= 360;
                        sch_text k_text = sch_text.CreateLocalLabel(net.Name,
                                                                    StrToPointInchFlip(label.X, label.Y),
                                                                    Common.StrToInch(label.Size),
                                                                    angle);

                        // find nearest point
                        //k_text.Pos = FindSnapPoint(snap_points, k_text.Pos);
                        k_text.Pos = FindNearestPoint(snap_points, snap_lines, Vector2Ext.ToVector2(StrToPointInchFlip(label.X, label.Y)));

                        k_sheet.Items.Add(k_text);

                        AllLabels.Add(new PinConnection(k_text, k_sheet));
                    }
                }
            }
            #endregion

            #region add no-connects
            if (option_add_no_connects)
            {
                foreach (Instance instance in source_sheet.Instances.Instance)
                {
                    // find part ->
                    Part part = FindPart(instance.Part);
                    if (part == null)
                    {
                        //Trace("Part not found: " + instance.Part);
                        continue;
                    }

                    if (part.Library == "frames")
                    {
                        continue;
                    }

                    k.Symbol.Symbol k_symbol = FindSymbol(part.Deviceset);

                    //
                    List <PinConnection> pins = connections.FindAll(x => x.Part.Name == instance.Part && x.GateId == instance.Gate);
                    foreach (PinConnection p in pins)
                    {
                        //    Trace(string.Format("Part {0,-10} Gate {1,-10} Pin {2,-10} Net {3,-10}", p.Part.Name, p.GateId, p.PinName, p.NetLabel));
                    }

                    //
                    List <PinConnection> NoConnects = new List <PinConnection>();

                    Symbol symbol = FindSymbol(part, instance.Gate);

                    foreach (Pin pin in symbol.Pin)
                    {
                        PinConnection conn = connections.Find(x => x.Part == part && x.GateId == instance.Gate && x.PinName == pin.Name);
                        if (conn == null)
                        {
                            //Trace(string.Format("Part {0,-10} Gate {1,-10} Pin {2,-10}", part.Name, instance.Gate, pin.Name));
                            NoConnects.Add(new PinConnection(null, part, instance.Gate, pin.Name));

                            // todo: add no-connects
                            PointF instance_pos = StrToPointInchFlip(instance.X, instance.Y);
                            PointF pin_pos      = Common.StrToPointInch(pin.X, pin.Y);

                            ExtRotation rot = ExtRotation.Parse(instance.Rot);

                            pin_pos = PointFExt.Rotate(pin_pos, (int)rot.Rotation);
                            if (rot.Mirror)
                            {
                                pin_pos = new PointF(-pin_pos.X, pin_pos.Y);
                            }

                            PointF pos = new PointF(instance_pos.X + pin_pos.X, instance_pos.Y - pin_pos.Y);

                            sch_NoConnect k_noconn = new sch_NoConnect(pos);
                            k_sheet.Items.Add(k_noconn);
                        }
                    }
                }
            }

            #endregion
        }