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Merge pull request Live-Charts#441 from beto-rodriguez/develop
0.9 release
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,39 @@ | ||
| //The MIT License(MIT) | ||
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| //copyright(c) 2016 Alberto Rodriguez | ||
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| //Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| //of this software and associated documentation files (the "Software"), to deal | ||
| //in the Software without restriction, including without limitation the rights | ||
| //to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| //copies of the Software, and to permit persons to whom the Software is | ||
| //furnished to do so, subject to the following conditions: | ||
|
|
||
| //The above copyright notice and this permission notice shall be included in all | ||
| //copies or substantial portions of the Software. | ||
|
|
||
| //THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| //IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| //FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| //AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| //LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| //SOFTWARE. | ||
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| namespace LiveCharts.Definitions.Charts | ||
| { | ||
| /// <summary> | ||
| /// | ||
| /// </summary> | ||
| /// <seealso cref="LiveCharts.Definitions.Charts.IAxisView" /> | ||
| public interface ILogarithmicAxisView : IAxisView | ||
| { | ||
| /// <summary> | ||
| /// Gets or sets the base. | ||
| /// </summary> | ||
| /// <value> | ||
| /// The base. | ||
| /// </value> | ||
| double Base { get; set; } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| //The MIT License(MIT) | ||
|
|
||
| //copyright(c) 2016 Alberto Rodriguez | ||
|
|
||
| //Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| //of this software and associated documentation files (the "Software"), to deal | ||
| //in the Software without restriction, including without limitation the rights | ||
| //to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| //copies of the Software, and to permit persons to whom the Software is | ||
| //furnished to do so, subject to the following conditions: | ||
|
|
||
| //The above copyright notice and this permission notice shall be included in all | ||
| //copies or substantial portions of the Software. | ||
|
|
||
| //THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| //IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| //FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| //AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| //LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| //SOFTWARE. | ||
|
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||
| using System; | ||
| using LiveCharts.Charts; | ||
| using LiveCharts.Definitions.Charts; | ||
| using LiveCharts.Dtos; | ||
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| namespace LiveCharts | ||
| { | ||
| /// <summary> | ||
| /// | ||
| /// </summary> | ||
| /// <seealso cref="LiveCharts.AxisCore" /> | ||
| public class LogarithmicAxisCore : AxisCore | ||
| { | ||
| /// <summary> | ||
| /// Initializes a new instance of the <see cref="LogarithmicAxisCore"/> class. | ||
| /// </summary> | ||
| /// <param name="view">The view.</param> | ||
| public LogarithmicAxisCore(IAxisView view) : base(view) | ||
| { | ||
| CleanFactor = 1.5; | ||
| } | ||
|
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| internal override CoreMargin PrepareChart(AxisOrientation source, ChartCore chart) | ||
| { | ||
| if (!(Math.Abs(TopLimit - BotLimit) > S * .01) || !ShowLabels) return new CoreMargin(); | ||
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| CalculateSeparator(chart, source); | ||
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| var f = GetFormatter(); | ||
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| var currentMargin = new CoreMargin(); | ||
| if (S < 1) S = 1; | ||
| var tolerance = S / 10; | ||
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| InitializeGarbageCollector(); | ||
|
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| var bl = Math.Ceiling(BotLimit / Magnitude) * Magnitude; | ||
| var @base = ((ILogarithmicAxisView) View).Base; | ||
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| for (var i = bl; i <= TopLimit - (EvaluatesUnitWidth ? 1 : 0); i += S) | ||
| { | ||
| var minTolerance = tolerance/10; | ||
| if (Math.Abs(i - bl) > tolerance) | ||
| { | ||
| var step = Math.Pow(@base, i - 1); | ||
| for (var j = Math.Pow(@base, i - 1) + step; | ||
| j < Math.Pow(@base, i); | ||
| j += step) | ||
| { | ||
| SeparatorElementCore minorAsc; | ||
| var scaledJ = Math.Log(j, @base); | ||
|
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| var minorKey = Math.Round(scaledJ / minTolerance) * minTolerance; | ||
| if (!Cache.TryGetValue(minorKey, out minorAsc)) | ||
| { | ||
| minorAsc = new SeparatorElementCore { IsNew = true }; | ||
| Cache[minorKey] = minorAsc; | ||
| } | ||
| else | ||
| { | ||
| minorAsc.IsNew = false; | ||
| } | ||
|
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| View.RenderSeparator(minorAsc, Chart); | ||
|
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| minorAsc.Key = minorKey; | ||
| minorAsc.Value = scaledJ; | ||
| minorAsc.GarbageCollectorIndex = GarbageCollectorIndex; | ||
|
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| minorAsc.View.UpdateLabel(string.Empty, this, source); | ||
|
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| if (LastAxisMax == null) | ||
| { | ||
| minorAsc.State = SeparationState.InitialAdd; | ||
| continue; | ||
| } | ||
|
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| minorAsc.State = SeparationState.Keep; | ||
| } | ||
| } | ||
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| SeparatorElementCore asc; | ||
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| var key = Math.Round(i / tolerance) * tolerance; | ||
| if (!Cache.TryGetValue(key, out asc)) | ||
| { | ||
| asc = new SeparatorElementCore { IsNew = true }; | ||
| Cache[key] = asc; | ||
| } | ||
| else | ||
| { | ||
| asc.IsNew = false; | ||
| } | ||
|
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| View.RenderSeparator(asc, Chart); | ||
|
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| asc.Key = key; | ||
| asc.Value = i; | ||
| asc.GarbageCollectorIndex = GarbageCollectorIndex; | ||
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| var labelsMargin = asc.View.UpdateLabel(f(i), this, source); | ||
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| currentMargin.Width = labelsMargin.TakenWidth > currentMargin.Width | ||
| ? labelsMargin.TakenWidth | ||
| : currentMargin.Width; | ||
| currentMargin.Height = labelsMargin.TakenHeight > currentMargin.Height | ||
| ? labelsMargin.TakenHeight | ||
| : currentMargin.Height; | ||
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| currentMargin.Left = labelsMargin.Left > currentMargin.Left | ||
| ? labelsMargin.Left | ||
| : currentMargin.Left; | ||
| currentMargin.Right = labelsMargin.Right > currentMargin.Right | ||
| ? labelsMargin.Right | ||
| : currentMargin.Right; | ||
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| currentMargin.Top = labelsMargin.Top > currentMargin.Top | ||
| ? labelsMargin.Top | ||
| : currentMargin.Top; | ||
| currentMargin.Bottom = labelsMargin.Bottom > currentMargin.Bottom | ||
| ? labelsMargin.Bottom | ||
| : currentMargin.Bottom; | ||
|
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| if (LastAxisMax == null) | ||
| { | ||
| asc.State = SeparationState.InitialAdd; | ||
| continue; | ||
| } | ||
|
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| asc.State = SeparationState.Keep; | ||
| } | ||
| return currentMargin; | ||
| } | ||
| } | ||
| } |
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