69 lines
2.8 KiB
C#
69 lines
2.8 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 PdfSharp.Drawing;
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namespace PdfSharp.Charting.Renderers
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{
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/// <summary>
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/// Base class for all plot area renderers.
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/// </summary>
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internal abstract class ColumnLikePlotAreaRenderer : PlotAreaRenderer
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{
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/// <summary>
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/// Initializes a new instance of the ColumnLikePlotAreaRenderer class with the
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/// specified renderer parameters.
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/// </summary>
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internal ColumnLikePlotAreaRenderer(RendererParameters parms)
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: base(parms)
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{ }
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/// <summary>
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/// Layouts and calculates the space for column like plot areas.
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/// </summary>
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internal override void Format()
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{
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ChartRendererInfo cri = (ChartRendererInfo)_rendererParms.RendererInfo;
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double xMin = cri.xAxisRendererInfo.MinimumScale;
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double xMax = cri.xAxisRendererInfo.MaximumScale;
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double yMin = cri.yAxisRendererInfo.MinimumScale;
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double yMax = cri.yAxisRendererInfo.MaximumScale;
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XRect plotAreaBox = cri.plotAreaRendererInfo.Rect;
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cri.plotAreaRendererInfo._matrix = new XMatrix();
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cri.plotAreaRendererInfo._matrix.TranslatePrepend(-xMin, yMax);
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cri.plotAreaRendererInfo._matrix.Scale(plotAreaBox.Width / xMax, plotAreaBox.Height / (yMax - yMin), XMatrixOrder.Append);
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cri.plotAreaRendererInfo._matrix.ScalePrepend(1, -1);
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cri.plotAreaRendererInfo._matrix.Translate(plotAreaBox.X, plotAreaBox.Y, XMatrixOrder.Append);
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}
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}
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}
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