85 lines
3.3 KiB
C#
85 lines
3.3 KiB
C#
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#region PDFsharp Charting - A .NET charting library based on PDFsharp
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//
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// Authors:
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// Niklas Schneider
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//
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// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
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//
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// http://www.pdfsharp.com
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// http://sourceforge.net/projects/pdfsharp
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell 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 conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// 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, 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
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// THE 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
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#endregion
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using System;
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namespace PdfSharp.Charting.Renderers
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{
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/// <summary>
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/// Represents a Y axis renderer used for charts of type BarStacked2D.
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/// </summary>
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internal class HorizontalStackedYAxisRenderer : HorizontalYAxisRenderer
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{
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/// <summary>
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/// Initializes a new instance of the HorizontalStackedYAxisRenderer class with the
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/// specified renderer parameters.
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/// </summary>
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internal HorizontalStackedYAxisRenderer(RendererParameters parms)
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: base(parms)
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{ }
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/// <summary>
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/// Determines the sum of the smallest and the largest stacked bar
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/// from all series of the chart.
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/// </summary>
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protected override void CalcYAxis(out double yMin, out double yMax)
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{
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yMin = double.MaxValue;
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yMax = double.MinValue;
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ChartRendererInfo cri = (ChartRendererInfo)_rendererParms.RendererInfo;
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int maxPoints = 0;
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foreach (SeriesRendererInfo sri in cri.seriesRendererInfos)
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maxPoints = Math.Max(maxPoints, sri._series._seriesElements.Count);
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for (int pointIdx = 0; pointIdx < maxPoints; ++pointIdx)
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{
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double valueSumPos = 0, valueSumNeg = 0;
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foreach (SeriesRendererInfo sri in cri.seriesRendererInfos)
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{
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if (sri._pointRendererInfos.Length <= pointIdx)
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break;
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ColumnRendererInfo column = (ColumnRendererInfo)sri._pointRendererInfos[pointIdx];
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if (column.Point != null && !double.IsNaN(column.Point._value))
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{
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if (column.Point._value < 0)
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valueSumNeg += column.Point._value;
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else
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valueSumPos += column.Point._value;
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}
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}
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yMin = Math.Min(valueSumNeg, yMin);
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yMax = Math.Max(valueSumPos, yMax);
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}
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}
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}
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}
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