480 lines
13 KiB
C#
480 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using OpenNest.Converters;
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using OpenNest.Geometry;
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using OpenNest.Math;
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namespace OpenNest.CNC
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{
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public class Program
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{
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public List<ICode> Codes;
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private Mode mode;
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public Program(Mode mode = Mode.Absolute)
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{
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Codes = new List<ICode>();
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Mode = mode;
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}
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public Mode Mode
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{
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get { return mode; }
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set
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{
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if (value == Mode.Absolute)
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SetModeAbs();
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else
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SetModeInc();
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}
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}
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public double Rotation { get; protected set; }
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private void SetModeInc()
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{
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if (mode == Mode.Incremental)
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return;
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ConvertMode.ToIncremental(this);
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mode = Mode.Incremental;
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}
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private void SetModeAbs()
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{
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if (mode == Mode.Absolute)
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return;
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ConvertMode.ToAbsolute(this);
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mode = Mode.Absolute;
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}
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public virtual void Rotate(double angle)
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{
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var mode = Mode;
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SetModeAbs();
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for (int i = 0; i < Codes.Count; ++i)
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{
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var code = Codes[i];
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if (code.Type == CodeType.SubProgramCall)
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{
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var subpgm = (SubProgramCall)code;
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if (subpgm.Program != null)
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subpgm.Program.Rotate(angle);
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}
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if (code is Motion == false)
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continue;
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var code2 = (Motion)code;
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code2.Rotate(angle);
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}
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if (mode == Mode.Incremental)
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SetModeInc();
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Rotation = Angle.NormalizeRad(Rotation + angle);
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}
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public virtual void Rotate(double angle, Vector origin)
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{
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var mode = Mode;
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SetModeAbs();
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for (int i = 0; i < Codes.Count; ++i)
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{
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var code = Codes[i];
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if (code.Type == CodeType.SubProgramCall)
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{
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var subpgm = (SubProgramCall)code;
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if (subpgm.Program != null)
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subpgm.Program.Rotate(angle);
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}
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if (code is Motion == false)
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continue;
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var code2 = (Motion)code;
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code2.Rotate(angle, origin);
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}
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if (mode == Mode.Incremental)
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SetModeInc();
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Rotation = Angle.NormalizeRad(Rotation + angle);
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}
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public virtual void Offset(double x, double y)
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{
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var mode = Mode;
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SetModeAbs();
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for (int i = 0; i < Codes.Count; ++i)
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{
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var code = Codes[i];
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if (code is Motion == false)
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continue;
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var code2 = (Motion)code;
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code2.Offset(x, y);
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}
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if (mode == Mode.Incremental)
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SetModeInc();
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}
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public virtual void Offset(Vector voffset)
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{
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var mode = Mode;
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SetModeAbs();
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for (int i = 0; i < Codes.Count; ++i)
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{
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var code = Codes[i];
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if (code is Motion == false)
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continue;
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var code2 = (Motion)code;
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code2.Offset(voffset);
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}
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if (mode == Mode.Incremental)
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SetModeInc();
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}
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public void LineTo(double x, double y)
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{
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Codes.Add(new LinearMove(x, y));
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}
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public void LineTo(Vector pt)
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{
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Codes.Add(new LinearMove(pt));
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}
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public void MoveTo(double x, double y)
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{
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Codes.Add(new RapidMove(x, y));
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}
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public void MoveTo(Vector pt)
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{
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Codes.Add(new RapidMove(pt));
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}
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public void ArcTo(double x, double y, double i, double j, RotationType rotation)
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{
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Codes.Add(new ArcMove(x, y, i, j, rotation));
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}
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public void ArcTo(Vector endpt, Vector center, RotationType rotation)
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{
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Codes.Add(new ArcMove(endpt, center, rotation));
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}
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public void AddSubProgram(Program program)
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{
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Codes.Add(new SubProgramCall(program, program.Rotation));
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}
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public ICode this[int index]
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{
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get { return Codes[index]; }
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set { Codes[index] = value; }
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}
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public int Length
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{
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get { return Codes.Count; }
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}
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public void Merge(Program pgm)
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{
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// Set the program to be merged to the same Mode as the current.
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pgm.Mode = this.Mode;
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if (Mode == Mode.Absolute)
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{
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bool isRapid = false;
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// Check if the first motion code is a rapid move
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foreach (var code in pgm.Codes)
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{
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if (code is Motion == false)
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continue;
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var motion = (Motion)code;
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isRapid = motion.GetType() == typeof(RapidMove);
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break;
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}
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// If the first motion code is not a rapid, move to the origin.
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if (!isRapid)
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MoveTo(0, 0);
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Codes.AddRange(pgm.Codes);
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}
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else
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{
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Codes.AddRange(pgm.Codes);
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}
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}
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public Vector EndPoint()
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{
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switch (Mode)
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{
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case Mode.Absolute:
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{
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for (int i = Codes.Count; i >= 0; --i)
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{
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var code = Codes[i];
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var motion = code as Motion;
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if (motion == null) continue;
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return motion.EndPoint;
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}
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break;
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}
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case Mode.Incremental:
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{
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var pos = new Vector(0, 0);
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for (int i = 0; i < Codes.Count; ++i)
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{
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var code = Codes[i];
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var motion = code as Motion;
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if (motion == null) continue;
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pos += motion.EndPoint;
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}
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return pos;
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}
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}
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return new Vector(0, 0);
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}
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public Box BoundingBox()
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{
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var origin = new Vector(0, 0);
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return BoundingBox(ref origin);
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}
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private Box BoundingBox(ref Vector pos)
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{
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double minX = 0.0;
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double minY = 0.0;
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double maxX = 0.0;
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double maxY = 0.0;
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for (int i = 0; i < Codes.Count; ++i)
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{
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var code = Codes[i];
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switch (code.Type)
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{
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case CodeType.LinearMove:
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{
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var line = (LinearMove)code;
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var pt = Mode == Mode.Absolute ?
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line.EndPoint :
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line.EndPoint + pos;
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if (pt.X > maxX)
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maxX = pt.X;
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else if (pt.X < minX)
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minX = pt.X;
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if (pt.Y > maxY)
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maxY = pt.Y;
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else if (pt.Y < minY)
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minY = pt.Y;
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pos = pt;
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break;
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}
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case CodeType.RapidMove:
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{
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var line = (RapidMove)code;
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var pt = Mode == Mode.Absolute
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? line.EndPoint
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: line.EndPoint + pos;
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if (pt.X > maxX)
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maxX = pt.X;
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else if (pt.X < minX)
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minX = pt.X;
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if (pt.Y > maxY)
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maxY = pt.Y;
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else if (pt.Y < minY)
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minY = pt.Y;
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pos = pt;
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break;
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}
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case CodeType.ArcMove:
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{
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var arc = (ArcMove)code;
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var radius = arc.CenterPoint.DistanceTo(arc.EndPoint);
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Vector endpt;
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Vector centerpt;
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if (Mode == Mode.Incremental)
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{
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endpt = arc.EndPoint + pos;
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centerpt = arc.CenterPoint + pos;
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}
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else
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{
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endpt = arc.EndPoint;
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centerpt = arc.CenterPoint;
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}
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double minX1;
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double minY1;
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double maxX1;
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double maxY1;
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if (pos.X < endpt.X)
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{
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minX1 = pos.X;
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maxX1 = endpt.X;
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}
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else
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{
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minX1 = endpt.X;
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maxX1 = pos.X;
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}
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if (pos.Y < endpt.Y)
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{
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minY1 = pos.Y;
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maxY1 = endpt.Y;
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}
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else
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{
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minY1 = endpt.Y;
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maxY1 = pos.Y;
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}
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var startAngle = pos.AngleFrom(centerpt);
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var endAngle = endpt.AngleFrom(centerpt);
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// switch the angle to counter clockwise.
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if (arc.Rotation == RotationType.CW)
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Generic.Swap(ref startAngle, ref endAngle);
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startAngle = Angle.NormalizeRad(startAngle);
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endAngle = Angle.NormalizeRad(endAngle);
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if (Angle.IsBetweenRad(Angle.HalfPI, startAngle, endAngle))
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maxY1 = centerpt.Y + radius;
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if (Angle.IsBetweenRad(System.Math.PI, startAngle, endAngle))
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minX1 = centerpt.X - radius;
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const double oneHalfPI = System.Math.PI * 1.5;
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if (Angle.IsBetweenRad(oneHalfPI, startAngle, endAngle))
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minY1 = centerpt.Y - radius;
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if (Angle.IsBetweenRad(Angle.TwoPI, startAngle, endAngle))
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maxX1 = centerpt.X + radius;
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if (maxX1 > maxX)
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maxX = maxX1;
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if (minX1 < minX)
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minX = minX1;
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if (maxY1 > maxY)
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maxY = maxY1;
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if (minY1 < minY)
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minY = minY1;
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pos = endpt;
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break;
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}
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case CodeType.SubProgramCall:
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{
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var subpgm = (SubProgramCall)code;
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var box = subpgm.Program.BoundingBox(ref pos);
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if (box.Left < minX)
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minX = box.Left;
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if (box.Right > maxX)
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maxX = box.Right;
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if (box.Bottom < minY)
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minY = box.Bottom;
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if (box.Top > maxY)
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maxY = box.Top;
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break;
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}
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}
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}
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return new Box(minX, minY, maxX - minX, maxY - minY);
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}
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public object Clone()
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{
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var pgm = new Program()
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{
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mode = this.mode,
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Rotation = this.Rotation
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};
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var codes = new ICode[Length];
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for (int i = 0; i < Length; ++i)
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codes[i] = this.Codes[i].Clone();
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pgm.Codes.AddRange(codes);
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return pgm;
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}
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public List<Entity> ToGeometry()
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{
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return ConvertProgram.ToGeometry(this);
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}
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}
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}
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