Plotter.cs :  » Build-Systems » CruiseControl.NET » ThoughtWorks » CruiseControl » Core » Publishers » Statistics » C# / CSharp Open Source

using System.Collections;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using NPlot;
using PlotSurface2DNPlot.Bitmap.PlotSurface2D;

namespace ThoughtWorks.CruiseControl.Core.Publishers.Statistics{
    /// A 2-dimensional surface plotter.
    public class Plotter : IPlotter
  {
        /// <summary>
        /// The directory where the file will be created.
        /// </summary>
    private string savePath;
        /// <summary>
        /// The disk file extension (should make sense for <see cref="imageFormat"/>.
        /// </summary>
      private readonly string fileExtension;
        /// <summary>
        /// The type of image to generate.
        /// </summary>
      private ImageFormat imageFormat;

        /// <summary>
        /// Create a 2-dimensional surface plotter with the specified disk location and image format.
        /// </summary>
        /// <param name="savePath">The directory where the file will be created.</param>
        /// <param name="fileExtension">The disk file extension (should make sense
        /// for <paramref name="imageFormat"/>.</param>
        /// <param name="imageFormat">The type of image to generate.</param>
      public Plotter(string savePath, string fileExtension, ImageFormat imageFormat)
    {
      this.savePath = savePath;
          this.fileExtension = fileExtension;
          this.imageFormat = imageFormat;
    }

        /// <summary>
        /// Plot a set of statistic data and save it to the configured disk file.
        /// </summary>
        /// <param name="ordinateData">The Y-axis data values.</param>
        /// <param name="abscissaData">The X-axis data values.</param>
        /// <param name="statisticName">The name of the statistic to plot.</param>
        /// <remarks>
        /// The disk file name will be
        /// <i><see cref="savePath"/></i>.<i><paramref name="statisticName"/></i>.<i><see cref="fileExtension"/></i>. 
        /// </remarks>
        public void DrawGraph(IList ordinateData, IList abscissaData, string statisticName)
    {
      Bitmap bitmap = Plot(ordinateData, abscissaData);
      bitmap.Save(Path.Combine(savePath, string.Format("{0}.{1}", statisticName, fileExtension)));
    }

    /// <summary>
        /// Plot a set of statistic data and write the image to a stream.
    /// </summary>
        /// <param name="ordinateData">The Y-axis data values.</param>
        /// <param name="abscissaData">The X-axis data values.</param>
        /// <param name="stream">The stream to receive the resulting image.</param>
        public void WriteToStream(IList ordinateData, IList abscissaData, Stream stream)
    {
      Bitmap bitmap = Plot(ordinateData, abscissaData);
      bitmap.Save(stream, imageFormat);
    }

        /// <summary>
        /// Create a 2-dimensional surface plot of the specified statistic data.
        /// </summary>
        /// <param name="ordinateData">The Y-axis data values.</param>
        /// <param name="abscissaData">The X-axis data values.</param>
        /// <returns>The plot image bitmap.</returns>
    private static Bitmap Plot(IList ordinateData, IList abscissaData)
    {

      PlotSurface2D plotSurface2D = new PlotSurface2D(200, 200);
        plotSurface2D.SmoothingMode = SmoothingMode.HighQuality;

        LinePlot linePlot = new LinePlot(ordinateData, abscissaData);
      linePlot.ShadowColor = Color.Beige;
      linePlot.Pen = new Pen(Color.Blue);
      linePlot.Pen.Width = 1.0f;
      plotSurface2D.Add(linePlot);
      plotSurface2D.Refresh();
      return plotSurface2D.Bitmap;
    }
  }
}