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Viewing changes to src/core/MonoDevelop.Components/MonoDevelop.Components.Chart/IntegerAxis.cs

  • Committer: Bazaar Package Importer
  • Author(s): Jo Shields
  • Date: 2010-09-10 16:54:48 UTC
  • mfrom: (19.1.1 experimental)
  • Revision ID: james.westby@ubuntu.com-20100910165448-0rybfk25zd4o9431
Tags: 2.4+dfsg-2
* debian/patches/inject_Mono.Debugger.Soft_source.patch,
  debian/patches/use_system_Mono.Debugger.Soft.patch,
  debian/control:
  + Build against system Soft Debugger, since we now have a new
    enough Mono to match MonoDevelop's required API

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src/core/MonoDevelop.Components/MonoDevelop.Components.Chart/IntegerAxis.cs
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//
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// IntegerAxis.cs
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//
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// Author:
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//   Lluis Sanchez Gual
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//
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// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following 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 OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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namespace MonoDevelop.Components.Chart
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{
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        public class IntegerAxis: Axis
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        {
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                public IntegerAxis ()
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                {
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                }
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                public IntegerAxis (bool showLabels): base (showLabels)
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                {
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                }
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                protected override TickEnumerator CreateTickEnumerator (double minTickStep)
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                {
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                        long val;
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                        unchecked {
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                                val = (long) minTickStep;
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                                long red = 10;
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                                while (val > red)
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                                        red = red * 10;
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                                long scale;
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                                if (val <= 1)
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                                        scale = 1;
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                                else if (val > red / 2)
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                                        scale = red;
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                                else if (val > red / 4)
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                                        scale = red / 2;
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                                else
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                                        scale = red / 4;
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                                return new IntegerTickEnumerator (scale);
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                        }
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                }
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        }
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        internal class IntegerTickEnumerator: TickEnumerator
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        {
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                long scale;
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                long current;
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                public IntegerTickEnumerator (long scale)
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                {
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                        this.scale = scale;
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                }
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                public override void Init (double startValue)
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                {
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                        current = (((long)startValue) / scale) * scale;
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                }
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                public override void MoveNext ()
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                {
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                        current += scale;
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                }
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                public override void MovePrevious ()
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                {
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                        current -= scale;
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                }
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                public override double CurrentValue {
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                        get { return (double) current; }
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                }
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        }
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}