106 lines
3.9 KiB
C#
106 lines
3.9 KiB
C#
#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 the legend renderer specific to bar charts.
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/// </summary>
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internal class BarClusteredLegendRenderer : ColumnLikeLegendRenderer
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{
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/// <summary>
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/// Initializes a new instance of the BarClusteredLegendRenderer class with the
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/// specified renderer parameters.
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/// </summary>
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internal BarClusteredLegendRenderer(RendererParameters parms)
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: base(parms)
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{ }
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/// <summary>
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/// Draws the legend.
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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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LegendRendererInfo lri = cri.legendRendererInfo;
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if (lri == null)
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return;
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XGraphics gfx = _rendererParms.Graphics;
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RendererParameters parms = new RendererParameters();
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parms.Graphics = gfx;
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LegendEntryRenderer ler = new LegendEntryRenderer(parms);
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bool verticalLegend = (lri._legend._docking == DockingType.Left || lri._legend._docking == DockingType.Right);
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int paddingFactor = 1;
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if (lri.BorderPen != null)
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paddingFactor = 2;
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XRect legendRect = lri.Rect;
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legendRect.X += LeftPadding * paddingFactor;
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if (verticalLegend)
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legendRect.Y = legendRect.Bottom - BottomPadding * paddingFactor;
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else
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legendRect.Y += TopPadding * paddingFactor;
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foreach (LegendEntryRendererInfo leri in cri.legendRendererInfo.Entries)
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{
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if (verticalLegend)
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legendRect.Y -= leri.Height;
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XRect entryRect = legendRect;
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entryRect.Width = leri.Width;
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entryRect.Height = leri.Height;
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leri.Rect = entryRect;
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parms.RendererInfo = leri;
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ler.Draw();
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if (verticalLegend)
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legendRect.Y -= EntrySpacing;
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else
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legendRect.X += entryRect.Width + EntrySpacing;
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}
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// Draw border around legend
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if (lri.BorderPen != null)
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{
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XRect borderRect = lri.Rect;
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borderRect.X += LeftPadding;
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borderRect.Y += TopPadding;
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borderRect.Width -= LeftPadding + RightPadding;
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borderRect.Height -= TopPadding + BottomPadding;
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gfx.DrawRectangle(lri.BorderPen, borderRect);
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}
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}
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}
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}
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