internal List <PolyLine> Offset(double margin, int v)
{
List <PolyLine> Res = new List <PolyLine>();
Polygons clips = new Polygons();
Polygon b = this.toPolygon();
clips.Add(b);
Polygons clips2 = Clipper.OffsetPolygons(clips, margin * 100000.0f, JoinType.jtRound);
foreach (var r in clips2)
{
PolyLine PLR = new PolyLine(v++);
PLR.fromPolygon(r);
Res.Add(PLR);
}
return(Res);
}
public List <PolyLine> CreatePolyLineSet(double X, double Y, int ShapeID, double rotation, double scale, GerberParserState.MirrorMode mirrored)
{
List <PolyLine> Res = new List <PolyLine>();
if (Parts.Count > 0)
{
List <PolyLine> ResPre = new List <PolyLine>();
List <PolyLine> ResPreNeg = new List <PolyLine>();
foreach (var a in Parts.Where(x => x.Polarity == true))
{
ResPre.AddRange(a.CreatePolyLineSet(0, 0, ShapeID, 0, 1, GerberParserState.MirrorMode.NoMirror));
}
foreach (var a in Parts.Where(x => x.Polarity == false))
{
ResPreNeg.AddRange(a.CreatePolyLineSet(0, 0, ShapeID, 0, 1, GerberParserState.MirrorMode.NoMirror));
}
Polygons Combined = new Polygons();
Polygons Solution = new Polygons();
Polygons clips = new Polygons();
if (ResPreNeg.Count == 0)
{
foreach (var c in ResPre)
{
// c.CheckIfHole();
//clips.Add(c.toPolygon());
//cp.AddPolygons(clips, PolyType.ptClip);
//cp.Execute(ClipType.ctUnion, Combined, PolyFillType.pftNonZero, PolyFillType.pftEvenOdd);
Solution.Add(c.toPolygon());
}
foreach (var p in Solution)
{
PolyLine PL = new PolyLine(ShapeID);
PL.fromPolygon(p);
Res.Add(PL);
}
}
else
{
foreach (var c in ResPreNeg)
{
// c.CheckIfHole();
//clips.Add(c.toPolygon());
//cp.AddPolygons(clips, PolyType.ptClip);
//cp.Execute(ClipType.ctUnion, Combined, PolyFillType.pftNonZero, PolyFillType.pftEvenOdd);
clips.Add(c.toPolygon());
}
foreach (var c in ResPre)
{
// c.CheckIfHole();
//clips.Add(c.toPolygon());
//cp.AddPolygons(clips, PolyType.ptClip);
//cp.Execute(ClipType.ctUnion, Combined, PolyFillType.pftNonZero, PolyFillType.pftEvenOdd);
Combined.Add(c.toPolygon());
}
Clipper cp = new Clipper();
cp.AddPolygons(Combined, PolyType.ptClip);
cp.AddPolygons(clips, PolyType.ptSubject);
cp.Execute(ClipType.ctDifference, Solution, PolyFillType.pftNonZero, PolyFillType.pftNonZero);
foreach (var p in Solution)
{
PolyLine PL = new PolyLine(ShapeID);
PL.fromPolygon(p);
Res.Add(PL);
}
}
}
else
{
if (Shape.Count() > 0)
{
var PL = new PolyLine(ShapeID);
for (int i = 0; i < Shape.Count(); i++)
{
PL.Add(Shape.Vertices[i].X, Shape.Vertices[i].Y);
}
PL.Add(Shape.Vertices[0].X, Shape.Vertices[0].Y);
PL.Close();
Res.Add(PL);
}
else
{
if (Gerber.ShowProgress)
{
Console.WriteLine("creating empty shape?? {0} {1}", MacroName, ShapeType);
}
}
}
if (rotation != 0 || scale != 1 || mirrored != GerberParserState.MirrorMode.NoMirror)
{
double CA = Math.Cos((rotation * Math.PI * 2) / 360.0);
double SA = Math.Sin((rotation * Math.PI * 2) / 360.0);
double xscale = scale;
double yscale = scale;
switch (mirrored)
{
case GerberParserState.MirrorMode.X: xscale = -xscale; break;
case GerberParserState.MirrorMode.XY: xscale = -xscale; yscale = -yscale; break;
case GerberParserState.MirrorMode.Y: yscale = -yscale; break;
}
foreach (var a in Res)
{
foreach (var p in a.Vertices)
{
double Xin = p.X;
double Yin = p.Y;
double nX = Xin * CA - Yin * SA;
double nY = Xin * SA + Yin * CA;
p.X = nX * xscale;
p.Y = nY * yscale;
}
}
}
foreach (var a in Res)
{
foreach (var p in a.Vertices)
{
p.X += X;
p.Y += Y;
}
}
return(Res);
}
public List <PolyLine> CreatePolyLineSet(double X, double Y, int ShapeID)
{
List <PolyLine> Res = new List <PolyLine>();
if (Parts.Count > 0)
{
List <PolyLine> ResPre = new List <PolyLine>();
foreach (var a in Parts)
{
ResPre.AddRange(a.CreatePolyLineSet(X, Y, ShapeID));
}
Polygons Combined = new Polygons();
Polygons clips = new Polygons();
foreach (var c in ResPre)
{
// c.CheckIfHole();
//Clipper cp = new Clipper();
//cp.AddPolygons(Combined, PolyType.ptSubject);
//clips.Add(c.toPolygon());
//cp.AddPolygons(clips, PolyType.ptClip);
//cp.Execute(ClipType.ctUnion, Combined, PolyFillType.pftNonZero, PolyFillType.pftEvenOdd);
Combined.Add(c.toPolygon());
}
foreach (var p in Combined)
{
PolyLine PL = new PolyLine(ShapeID);
PL.fromPolygon(p);
Res.Add(PL);
}
}
else
{
if (Shape.Count() > 0)
{
var PL = new PolyLine(ShapeID);
for (int i = 0; i < Shape.Count(); i++)
{
PL.Add(X + Shape.Vertices[i].X, Y + Shape.Vertices[i].Y);
}
PL.Add(X + Shape.Vertices[0].X, Y + Shape.Vertices[0].Y);
PL.Close();
Res.Add(PL);
}
else
{
if (Gerber.ShowProgress)
{
Console.WriteLine("creating empty shape?? {0} {1}", MacroName, ShapeType);
}
}
}
return(Res);
}
