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Viewing changes to perf/perf-suite-generator/GraphGenerator.cs

  • Committer: Bazaar Package Importer
  • Author(s): Jo Shields
  • Date: 2009-02-14 12:01:08 UTC
  • Revision ID: james.westby@ubuntu.com-20090214120108-06539vb25vhbd8bn
Tags: upstream-1.0
Import upstream version 1.0

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perf/perf-suite-generator/GraphGenerator.cs
 
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/*
 
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 * Copyright (c) 2008 Novell, Inc. (http://www.novell.com)
 
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 *
 
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 * Contact:
 
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 *  Moonlight List (moonlight-list@lists.ximian.com)
 
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 * 
 
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 * Permission is hereby granted, free of charge, to any person
 
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 * obtaining a copy of this software and associated documentation
 
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 * files (the "Software"), to deal in the Software without
 
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 * restriction, including without limitation the rights to use,
 
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 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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 * copies of the Software, and to permit persons to whom the
 
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 * Software is furnished to do so, subject to the following
 
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 * conditions:
 
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 * 
 
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 * The above copyright notice and this permission notice shall be
 
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 * included in all copies or substantial portions of the Software.
 
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 * 
 
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 
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 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 
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 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 
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 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 
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 * OTHER DEALINGS IN THE SOFTWARE.
 
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 *
 
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 */
 
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using System;
 
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using System.Collections.Generic;
 
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using PerfSuiteLib;
 
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using Cairo;
 
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namespace PerfSuiteGenerator {
 
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        public static class GraphGenerator {
 
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                public static void GenerateGraph (List <ResultDbEntry> resultList, string filename)
 
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                {
 
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                        // FIXME Exception if more than 50 results...
 
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                        ImageSurface surface = new ImageSurface (Format.Rgb24, 103, 52);
 
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                        Context context = new Context (surface);
 
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                        // Fill with grad
 
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                        LinearGradient grad = new LinearGradient (0.0, 0.0, 0.0, 52.0);
 
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                        grad.AddColorStopRgb (0.0, new Color  (1.0, 1.0, 1.0));
 
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                        grad.AddColorStopRgb (1.0, new Color  (0.8, 0.8, 0.9));
 
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                        context.Pattern = grad;
 
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                        context.Paint ();
 
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                        // Frame
 
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                        context.SetSourceRGB (0, 0, 0);
 
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                        context.LineWidth = 1.0;
 
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                        context.Rectangle (0.5, 0.5, 102.0, 51.0);
 
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                        context.Stroke ();
 
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                        long denominator = (long) (FindBiggestResult (resultList) * 1.2);
 
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                        context.LineWidth = 1.5;
 
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                        // FIXME Reverse to copy
 
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                        resultList.Reverse ();
 
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                        double x = 100.5 - ((resultList.Count - 1) * 2.0);
 
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                        bool hasPrevResult = false;
 
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                        long prevResult = 0;
 
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                        foreach (ResultDbEntry entry in resultList) {
 
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                                if (entry.Failure) {
 
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                                        x += 2.0;
 
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                                        continue;
 
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                                }
 
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                                double sz = ((double) entry.Time / denominator) * 50.0;
 
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                                if (hasPrevResult && UtilFu.GetValueDifference (prevResult, entry.Time) > 0.1)
 
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                                        context.SetSourceRGB (1.0, 0.0, 0.0);
 
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                                else if (hasPrevResult && UtilFu.GetValueDifference (prevResult, entry.Time) < -0.1)
 
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                                        context.SetSourceRGB (0.0, 1.0, 0.0);
 
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                                else
 
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                                        context.SetSourceRGB (0.4, 0.4, 0.4);
 
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                                context.MoveTo (x, 51);
 
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                                context.LineTo (x, 51 - sz);
 
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                                context.Stroke ();
 
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                                x += 2.0;
 
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                                hasPrevResult = true;
 
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                                prevResult = entry.Time;
 
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                        }
 
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                        surface.WriteToPng (filename);
 
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                        resultList.Reverse ();
 
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                        ((IDisposable) context).Dispose ();
 
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                        ((IDisposable) surface).Dispose ();
 
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                }
 
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                private static long FindBiggestResult (List <ResultDbEntry> resultList)
 
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                {
 
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                        long biggest = 0;
 
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                        foreach (ResultDbEntry entry in resultList) 
 
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                                biggest = Math.Max (biggest, entry.Time);
 
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                        return biggest;
 
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                }
 
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        }
 
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}
 
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