PerfTest.cs :  » GUI » SharpVectorGraphics » SharpVectors » PerfTest » C# / CSharp Open Source

using System;
using System.IO;
using System.Xml;
using System.Windows.Forms;
using System.Collections;

using SharpVectors.Dom.Svg;
using SharpVectors.Renderer.Gdi;

namespace SharpVectors.PerfTest{
  class PerfTest
  {
    public PerfTest()
    {
    }

    private string localPath = new FileInfo(Application.ExecutablePath).DirectoryName + @"\tmp.svg";
    private string imgPath = new FileInfo(Application.ExecutablePath).DirectoryName + @"\tmp.png";


    private int singleRun(string filePath, bool saveLocal, bool saveImage)
    {
      DateTime startTime = DateTime.Now;

      GdiRenderer gdiRenderer = new GdiRenderer();
      SvgWindow wnd = new SvgWindow(300, 300, gdiRenderer);

      SvgDocument doc = new SvgDocument(wnd);
      wnd.Document = doc;
      doc.Load(filePath);
      
      //wnd.Render();

      if(((GdiRenderer)wnd.Renderer).RasterImage == null)
      {
                Console.WriteLine("ERROR: no image rendered");
      }

      DateTime endTime = DateTime.Now; 
      TimeSpan diff = endTime - startTime;

      if(saveLocal)
      {
        doc.Save(localPath);
      }

      if(saveImage)
      {
        ((GdiRenderer)wnd.Renderer).RasterImage.Save(imgPath, System.Drawing.Imaging.ImageFormat.Png);
        Console.WriteLine("Reference image saved as :\n" + imgPath);
      }
      wnd.Renderer = null;
      wnd = null;
      doc = null;


      return (int)diff.TotalMilliseconds;
    }

    public void Run(string url, int repeats)
    {
      // run once to make sure everything is compiled and ready
      singleRun(url, true, true);

      ArrayList times = new ArrayList();

      for(int i = 0; i<repeats; i++)
      {
        times.Add(singleRun(localPath, false, false));
      }

      try
      {
        File.Delete(localPath);
      }
      catch{}
            
      int sum = 0;
      foreach(int time in times)
      {
        sum += time;
      }

      float average = sum / repeats;

      float stdDevSum = 0;
      foreach(int time in times)
      {
        stdDevSum += (float)Math.Pow(time - average, 2);
      }

      Console.WriteLine("Total time         : " + sum + " ms");
      Console.WriteLine("Repeats            : " + repeats);
      Console.WriteLine("Average time       : " + Math.Round(average, 2) + " ms");
      Console.WriteLine("Standard deviation : +/-" + Math.Round(Math.Sqrt(stdDevSum / repeats), 2) + " ms");
    }

    [STAThread]
    static void Main(string[] args)
    {
      string url = "http://www.protocol7.com/svg.net/people.svg";
      int repeats = 1;
      /*if(args.Length == 0)
      {
        Console.WriteLine("usage: url [noOfRepeats]");
        return;
      }
      else if(args.Length == 2)
      {
                repeats = Convert.ToInt32(args[1]);
      }
            url = args[0];
*/
      PerfTest perfTest = new PerfTest();
      perfTest.Run(url, repeats);
    }
  }
}