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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
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113 lines
4.1 KiB
C#
113 lines
4.1 KiB
C#
//The MIT License(MIT)
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//Copyright(c) 2016 Alberto Rodriguez & LiveCharts Contributors
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//Permission is hereby granted, free of charge, to any person obtaining a copy
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//of this software and associated documentation files (the "Software"), to deal
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//in the Software without restriction, including without limitation the rights
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//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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//copies of the Software, and to permit persons to whom the Software is
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//furnished to do so, subject to the following conditions:
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//The above copyright notice and this permission notice shall be included in all
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//copies or substantial portions of the Software.
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//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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//SOFTWARE.
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using System;
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using System.Linq;
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using LiveCharts.Definitions.Charts;
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using LiveCharts.Definitions.Series;
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using LiveCharts.Dtos;
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using LiveCharts.Helpers;
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namespace LiveCharts.Charts
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{
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/// <summary>
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///
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/// </summary>
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/// <seealso cref="LiveCharts.Charts.ChartCore" />
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public class PieChartCore : ChartCore
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{
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#region Constructors
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/// <summary>
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/// Initializes a new instance of the <see cref="PieChartCore"/> class.
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/// </summary>
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/// <param name="view">The view.</param>
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/// <param name="updater">The updater.</param>
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public PieChartCore(IChartView view, ChartUpdater updater) : base(view, updater)
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{
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updater.Chart = this;
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}
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#endregion
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#region Publics
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/// <summary>
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/// Prepares the axes.
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/// </summary>
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/// <exception cref="LiveChartsException">There is a invalid series in the series collection, " +
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/// "verify that all the series implement IPieSeries.</exception>
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public override void PrepareAxes()
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{
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View.Zoom = ZoomingOptions.None;
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if (View.ActualSeries.Any(x => !(x.Model is IPieSeries)))
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throw new LiveChartsException(
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"There is a invalid series in the series collection, " +
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"verify that all the series implement IPieSeries.");
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foreach (var xi in AxisX)
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{
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xi.S = 1;
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xi.BotLimit = View.ActualSeries.Select(x => x.Values.GetTracker(x).XLimit.Min)
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.DefaultIfEmpty(0).Min();
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xi.TopLimit = View.ActualSeries.Select(x => x.Values.GetTracker(x).XLimit.Max)
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.DefaultIfEmpty(0).Max();
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if (Math.Abs(xi.BotLimit - xi.TopLimit) < xi.S * .01)
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{
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xi.BotLimit -= xi.S;
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xi.TopLimit += xi.S;
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}
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}
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foreach (var yi in AxisY)
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{
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//yi.CalculateSeparator(this, AxisTags.X);
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yi.BotLimit = View.ActualSeries.Select(x => x.Values.GetTracker(x).YLimit.Min)
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.DefaultIfEmpty(0).Min();
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yi.TopLimit = View.ActualSeries.Select(x => x.Values.GetTracker(x).YLimit.Max)
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.DefaultIfEmpty(0).Max();
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if (Math.Abs(yi.BotLimit - yi.TopLimit) < yi.S * .01)
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{
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yi.BotLimit -= yi.S;
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yi.TopLimit += yi.S;
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}
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}
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StackPoints(View.ActualSeries, AxisOrientation.Y, 0);
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var curSize = new CoreRectangle(0, 0, ControlSize.Width, ControlSize.Height);
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curSize = PlaceLegend(curSize);
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DrawMargin.Top = curSize.Top;
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DrawMargin.Left = curSize.Left;
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DrawMargin.Width = curSize.Width;
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DrawMargin.Height = curSize.Height;
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}
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#endregion
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}
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}
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