257 lines
9.6 KiB
C#
257 lines
9.6 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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/// Represents a bar chart renderer.
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/// </summary>
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internal class BarChartRenderer : ChartRenderer
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{
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/// <summary>
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/// Initializes a new instance of the BarChartRenderer class with the
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/// specified renderer parameters.
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/// </summary>
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internal BarChartRenderer(RendererParameters parms)
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: base(parms)
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{ }
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/// <summary>
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/// Returns an initialized and renderer specific rendererInfo.
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/// </summary>
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internal override RendererInfo Init()
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{
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ChartRendererInfo cri = new ChartRendererInfo();
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cri._chart = (Chart)_rendererParms.DrawingItem;
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_rendererParms.RendererInfo = cri;
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InitSeriesRendererInfo();
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LegendRenderer lr = GetLegendRenderer();
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cri.legendRendererInfo = (LegendRendererInfo)lr.Init();
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AxisRenderer xar = new VerticalXAxisRenderer(_rendererParms);
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cri.xAxisRendererInfo = (AxisRendererInfo)xar.Init();
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AxisRenderer yar = GetYAxisRenderer();
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cri.yAxisRendererInfo = (AxisRendererInfo)yar.Init();
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PlotArea plotArea = cri._chart.PlotArea;
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PlotAreaRenderer renderer = GetPlotAreaRenderer();
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cri.plotAreaRendererInfo = (PlotAreaRendererInfo)renderer.Init();
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DataLabelRenderer dlr = new BarDataLabelRenderer(_rendererParms);
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dlr.Init();
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return cri;
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}
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/// <summary>
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/// Layouts and calculates the space used by the column chart.
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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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LegendRenderer lr = GetLegendRenderer();
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lr.Format();
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// axes
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AxisRenderer xar = new VerticalXAxisRenderer(_rendererParms);
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xar.Format();
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AxisRenderer yar = GetYAxisRenderer();
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yar.Format();
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// Calculate rects and positions.
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XRect chartRect = LayoutLegend();
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cri.xAxisRendererInfo.X = chartRect.Left;
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cri.xAxisRendererInfo.Y = chartRect.Top;
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cri.xAxisRendererInfo.Height = chartRect.Height - cri.yAxisRendererInfo.Height;
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cri.yAxisRendererInfo.X = chartRect.Left + cri.xAxisRendererInfo.Width;
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cri.yAxisRendererInfo.Y = chartRect.Bottom - cri.yAxisRendererInfo.Height;
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cri.yAxisRendererInfo.Width = chartRect.Width - cri.xAxisRendererInfo.Width;
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cri.plotAreaRendererInfo.X = cri.yAxisRendererInfo.X;
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cri.plotAreaRendererInfo.Y = cri.xAxisRendererInfo.Y;
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cri.plotAreaRendererInfo.Width = cri.yAxisRendererInfo.InnerRect.Width;
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cri.plotAreaRendererInfo.Height = cri.xAxisRendererInfo.Height;
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// Calculated remaining plot area, now it's safe to format.
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PlotAreaRenderer renderer = GetPlotAreaRenderer();
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renderer.Format();
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DataLabelRenderer dlr = new BarDataLabelRenderer(_rendererParms);
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dlr.Format();
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}
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/// <summary>
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/// Draws the column chart.
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/// </summary>
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internal override void Draw()
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{
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ChartRendererInfo cri = (ChartRendererInfo)_rendererParms.RendererInfo;
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LegendRenderer lr = GetLegendRenderer();
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lr.Draw();
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WallRenderer wr = new WallRenderer(_rendererParms);
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wr.Draw();
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GridlinesRenderer glr = new BarGridlinesRenderer(_rendererParms);
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glr.Draw();
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PlotAreaBorderRenderer pabr = new PlotAreaBorderRenderer(_rendererParms);
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pabr.Draw();
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PlotAreaRenderer renderer = GetPlotAreaRenderer();
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renderer.Draw();
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DataLabelRenderer dlr = new BarDataLabelRenderer(_rendererParms);
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dlr.Draw();
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if (cri.xAxisRendererInfo._axis != null)
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{
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AxisRenderer xar = new VerticalXAxisRenderer(_rendererParms);
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xar.Draw();
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}
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if (cri.yAxisRendererInfo._axis != null)
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{
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AxisRenderer yar = GetYAxisRenderer();
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yar.Draw();
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}
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}
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/// <summary>
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/// Returns the specific plot area renderer.
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/// </summary>
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private PlotAreaRenderer GetPlotAreaRenderer()
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{
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Chart chart = (Chart)_rendererParms.DrawingItem;
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switch (chart._type)
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{
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case ChartType.Bar2D:
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return new BarClusteredPlotAreaRenderer(_rendererParms);
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case ChartType.BarStacked2D:
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return new BarStackedPlotAreaRenderer(_rendererParms);
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}
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return null;
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}
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/// <summary>
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/// Returns the specific legend renderer.
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/// </summary>
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private LegendRenderer GetLegendRenderer()
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{
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Chart chart = (Chart)_rendererParms.DrawingItem;
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switch (chart._type)
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{
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case ChartType.Bar2D:
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return new BarClusteredLegendRenderer(_rendererParms);
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case ChartType.BarStacked2D:
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return new ColumnLikeLegendRenderer(_rendererParms);
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}
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return null;
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}
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/// <summary>
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/// Returns the specific plot area renderer.
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/// </summary>
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private YAxisRenderer GetYAxisRenderer()
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{
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Chart chart = (Chart)_rendererParms.DrawingItem;
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switch (chart._type)
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{
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case ChartType.Bar2D:
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return new HorizontalYAxisRenderer(_rendererParms);
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case ChartType.BarStacked2D:
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return new HorizontalStackedYAxisRenderer(_rendererParms);
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}
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return null;
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}
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/// <summary>
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/// Initializes all necessary data to draw all series for a column chart.
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/// </summary>
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private void InitSeriesRendererInfo()
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{
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ChartRendererInfo cri = (ChartRendererInfo)_rendererParms.RendererInfo;
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SeriesCollection seriesColl = cri._chart.SeriesCollection;
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cri.seriesRendererInfos = new SeriesRendererInfo[seriesColl.Count];
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// Lowest series is the first, like in Excel
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for (int idx = 0; idx < seriesColl.Count; ++idx)
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{
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SeriesRendererInfo sri = new SeriesRendererInfo();
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sri._series = seriesColl[idx];
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cri.seriesRendererInfos[idx] = sri;
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}
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InitSeries();
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}
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/// <summary>
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/// Initializes all necessary data to draw all series for a column chart.
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/// </summary>
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internal void InitSeries()
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{
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ChartRendererInfo cri = (ChartRendererInfo)_rendererParms.RendererInfo;
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int seriesIndex = 0;
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foreach (SeriesRendererInfo sri in cri.seriesRendererInfos)
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{
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sri.LineFormat = Converter.ToXPen(sri._series._lineFormat, XColors.Black, DefaultSeriesLineWidth);
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sri.FillFormat = Converter.ToXBrush(sri._series._fillFormat, ColumnColors.Item(seriesIndex++));
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sri._pointRendererInfos = new ColumnRendererInfo[sri._series._seriesElements.Count];
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for (int pointIdx = 0; pointIdx < sri._pointRendererInfos.Length; ++pointIdx)
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{
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PointRendererInfo pri = new ColumnRendererInfo();
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Point point = sri._series._seriesElements[pointIdx];
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pri.Point = point;
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if (point != null)
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{
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pri.LineFormat = sri.LineFormat;
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pri.FillFormat = sri.FillFormat;
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if (point._lineFormat != null && !point._lineFormat._color.IsEmpty)
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pri.LineFormat = Converter.ToXPen(point._lineFormat, sri.LineFormat);
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if (point._fillFormat != null && !point._fillFormat._color.IsEmpty)
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pri.FillFormat = new XSolidBrush(point._fillFormat._color);
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}
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sri._pointRendererInfos[pointIdx] = pri;
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}
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}
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}
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}
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}
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