public string MinimalDXFSave(string outputfile, double offset = 3.0, double holediameter = 3.2)
{
if (Directory.Exists(outputfile))
{
outputfile = Path.Combine(outputfile, "SickOfBeige");
}
PolyLine Biggest = null;
double BiggestArea = 0;
List <PointD> Holes = new List <PointD>();
var holeradius = holediameter / 2.0;
double Circumference = 2 * Math.PI * holeradius;
foreach (var a in PLSs.Where(x => x.Layer == BoardLayer.Outline))
{
foreach (var b in a.OutlineShapes)
{
var A = b.toPolygon();
double LRatio = (b.OutlineLength() / Circumference);
double Lperc = Math.Abs(LRatio - 1);
if (Lperc < 0.1)
{
if (b.Vertices.Count > 5)
{
var C = b.GetCentroid();
bool round = true;
foreach (var v in b.Vertices)
{
var L = (C - v).Length();
if (Math.Abs(L - holeradius) > 0.2)
{
// not very round!
round = false;
}
}
if (round)
{
Console.WriteLine("Hole detected in outline:{0} {1} {2} {3} {4} {5}", a.Layer, a.Side, C, LRatio, Lperc, b.Vertices.Count);
Holes.Add(C);
}
}
// might be hole!
}
var Area = Clipper.Area(A);
if (Area > BiggestArea)
{
Biggest = b;
BiggestArea = Area;
}
}
}
Polygons Offsetted = new Polygons();
List <String> Lines = new List <string>();
Lines.Add("0");
Lines.Add("SECTION");
Lines.Add("2 ");
Lines.Add("ENTITIES");
if (Biggest != null)
{
Polygons clips = new Polygons();
clips.Add(Biggest.toPolygon());
Offsetted = Clipper.OffsetPolygons(clips, offset * 100000.0f, JoinType.jtRound);
foreach (var poly in Offsetted)
{
PolyLine P = new PolyLine(PolyLine.PolyIDs.Temp);
P.fromPolygon(poly);
for (int i = 0; i < P.Vertices.Count; i++)
{
var V1 = P.Vertices[i];
var V2 = P.Vertices[(i + 1) % P.Vertices.Count];
Lines.Add("0");
Lines.Add("LINE");
Lines.Add("8");
Lines.Add("Outline");
Lines.Add("10");
Lines.Add(V1.X.ToString().Replace(',', '.'));
Lines.Add("20");
Lines.Add(V1.Y.ToString().Replace(',', '.'));
Lines.Add("11");
Lines.Add(V2.X.ToString().Replace(',', '.'));
Lines.Add("21");
Lines.Add(V2.Y.ToString().Replace(',', '.'));
}
}
}
else
{
Errors.Add("No longest outline found - not generating offset curve");
}
foreach (var a in Excellons)
{
foreach (var t in a.Tools)
{
var R = t.Value.Radius;
if (Math.Abs(R * 2 - holediameter) < 0.05)
{
foreach (var h in t.Value.Drills)
{
Holes.Add(h);
}
}
}
}
foreach (var a in Holes)
{
for (int i = 0; i < 40; i++)
{
double P = i * Math.PI * 2.0 / 40.0;
double P2 = (i + 1) * Math.PI * 2.0 / 40.0;
var C1 = Math.Cos(P) * holeradius;
var C2 = Math.Cos(P2) * holeradius;
var S1 = Math.Sin(P) * holeradius;
var S2 = Math.Sin(P2) * holeradius;
double x1 = a.X + C1;
double y1 = a.Y + S1;
double x2 = a.X + C2;
double y2 = a.Y + S2;
Lines.Add("0");
Lines.Add("LINE");
Lines.Add("8");
Lines.Add("Holes");
Lines.Add("10");
Lines.Add(x1.ToString().Replace(',', '.'));
Lines.Add("20");
Lines.Add(y1.ToString().Replace(',', '.'));
Lines.Add("11");
Lines.Add(x2.ToString().Replace(',', '.'));
Lines.Add("21");
Lines.Add(y2.ToString().Replace(',', '.'));
}
}
Lines.Add("0");
Lines.Add("ENDSEC");
Lines.Add("0");
Lines.Add("EOF");
File.WriteAllLines(outputfile + ".dxf", Lines);
float scalefac = 10;
Console.WriteLine("Report: {0} holes created in case ({1} spacers and {1} screws needed!)", Holes.Count, Holes.Count * 2);
{
var BB = new GerberLibrary.Bounds();
BB.AddPolygons(Offsetted);
BB.AddPolyLine(Biggest);
Bitmap B = new Bitmap((int)((BB.Width()) * scalefac) + 6, (int)((BB.Height()) * scalefac) + 6);
Graphics G = Graphics.FromImage(B);
G.Clear(Color.Transparent);
G.Clear(Color.White);
G.TranslateTransform(3, 3);
G.ScaleTransform(scalefac, scalefac);
G.TranslateTransform((float)-(BB.TopLeft.X), (float)-(BB.TopLeft.Y));
Pen pen = new Pen(Color.Black, 0.1f);
Pen pen2 = new Pen(Color.FromArgb(160, 160, 160), 0.1f);
pen2.DashPattern = new float[2] {
2, 2
};
GerberImageCreator.ApplyAASettings(G);
RectangleF R = new RectangleF(0, 0, (float)holediameter, (float)holediameter);
foreach (var a in Holes)
{
R.X = (float)a.X - (float)holeradius;
R.Y = (float)a.Y - (float)holeradius;
G.DrawEllipse(pen, R);
}
foreach (var poly in Offsetted)
{
PolyLine Pl = new PolyLine(PolyLine.PolyIDs.Temp);
Pl.fromPolygon(poly);
var Points = new List <PointF>(Pl.Vertices.Count);
for (int i = 0; i < Pl.Vertices.Count; i++)
{
Points.Add(Pl.Vertices[i].ToF());
}
Points.Add(Pl.Vertices[0].ToF());
G.DrawLines(pen, Points.ToArray());
}
{
PolyLine Pl = Biggest;
var Points = new List <PointF>(Pl.Vertices.Count);
for (int i = 0; i < Pl.Vertices.Count; i++)
{
Points.Add(Pl.Vertices[i].ToF());
}
Points.Add(Pl.Vertices[0].ToF());
G.DrawLines(pen2, Points.ToArray());
}
var ImagePNG = outputfile + ".png";
B.Save(ImagePNG);
return(ImagePNG);
}
}
