using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using WW.Cad.Model;
using WW.Cad.Model.Entities;
using WW.Cad.IO;
using MathNet.Numerics.LinearAlgebra;

namespace TransmissionGraphic.Graphic
{
    class Canvas
    {
        private DxfModel _model;
        public Canvas()
        {
            this._model = null;
        }

        public void init_canvas()
        {
            DxfModel model = new DxfModel(DxfVersion.Dxf13);
            this._model = model;
        }

        public void draw(Matrix<double> points)
        {
            DxfModel model=this._model;
            DxfPolyline3D polyline = new DxfPolyline3D();
            DxfVertex3D[] vertex = new DxfVertex3D[points.RowCount];
            for (int foo = 0; foo < points.RowCount; foo++)
            {
                vertex[foo] = new DxfVertex3D(points.At(foo, 0), points.At(foo, 1), points.At(foo, 2));
            }
            polyline.Closed = false;
            polyline.Vertices.AddRange(vertex);
            model.Entities.Add(polyline);
        }

        public void save(string filePath)
        {
            DxfModel model = this._model;
            DxfWriter.Write(filePath, model);
        
        }
    }
}