229 lines
8.1 KiB
C#
229 lines
8.1 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.Collections.Generic;
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using PdfSharp.Drawing;
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using PdfSharp.Charting.Renderers;
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namespace PdfSharp.Charting
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{
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/// <summary>
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/// Represents the frame which holds one or more charts.
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/// </summary>
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public class ChartFrame
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{
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/// <summary>
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/// Initializes a new instance of the ChartFrame class.
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/// </summary>
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public ChartFrame()
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{ }
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/// <summary>
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/// Initializes a new instance of the ChartFrame class with the specified rectangle.
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/// </summary>
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public ChartFrame(XRect rect)
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{
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_location = rect.Location;
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_size = rect.Size;
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}
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/// <summary>
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/// Gets or sets the location of the ChartFrame.
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/// </summary>
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public XPoint Location
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{
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get { return _location; }
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set { _location = value; }
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}
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XPoint _location;
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/// <summary>
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/// Gets or sets the size of the ChartFrame.
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/// </summary>
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public XSize Size
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{
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get { return _size; }
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set { _size = value; }
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}
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XSize _size;
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/// <summary>
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/// Adds a chart to the ChartFrame.
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/// </summary>
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public void Add(Chart chart)
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{
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if (_chartList == null)
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_chartList = new List<Chart>();
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_chartList.Add(chart);
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}
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/// <summary>
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/// Draws all charts inside the ChartFrame.
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/// </summary>
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public void Draw(XGraphics gfx)
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{
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// Draw frame of ChartFrame. First shadow frame.
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const int dx = 5;
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const int dy = 5;
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gfx.DrawRoundedRectangle(XBrushes.Gainsboro,
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_location.X + dx, _location.Y + dy,
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_size.Width, _size.Height, 20, 20);
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XRect chartRect = new XRect(_location.X, _location.Y, _size.Width, _size.Height);
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XLinearGradientBrush brush = new XLinearGradientBrush(chartRect, XColor.FromArgb(0xFFD0DEEF), XColors.White,
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XLinearGradientMode.Vertical);
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XPen penBorder = new XPen(XColors.SteelBlue, 2.5);
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gfx.DrawRoundedRectangle(penBorder, brush,
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_location.X, _location.Y, _size.Width, _size.Height,
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15, 15);
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XGraphicsState state = gfx.Save();
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gfx.TranslateTransform(_location.X, _location.Y);
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// Calculate rectangle for all charts. Y-Position will be moved for each chart.
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int charts = _chartList.Count;
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const uint dxChart = 20;
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const uint dyChart = 20;
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const uint dyBetweenCharts = 30;
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XRect rect = new XRect(dxChart, dyChart,
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_size.Width - 2 * dxChart,
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(_size.Height - (charts - 1) * dyBetweenCharts - 2 * dyChart) / charts);
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// draw each chart in list
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foreach (Chart chart in _chartList)
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{
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RendererParameters parms = new RendererParameters(gfx, rect);
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parms.DrawingItem = chart;
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ChartRenderer renderer = GetChartRenderer(chart, parms);
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renderer.Init();
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renderer.Format();
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renderer.Draw();
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rect.Y += rect.Height + dyBetweenCharts;
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}
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gfx.Restore(state);
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// // Calculate rectangle for all charts. Y-Position will be moved for each chart.
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// int charts = chartList.Count;
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// uint dxChart = 0;
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// uint dyChart = 0;
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// uint dyBetweenCharts = 0;
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// XRect rect = new XRect(dxChart, dyChart,
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// size.Width - 2 * dxChart,
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// (size.Height - (charts - 1) * dyBetweenCharts - 2 * dyChart) / charts);
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//
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// // draw each chart in list
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// foreach (Chart chart in chartList)
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// {
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// RendererParameters parms = new RendererParameters(gfx, rect);
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// parms.DrawingItem = chart;
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//
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// ChartRenderer renderer = GetChartRenderer(chart, parms);
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// renderer.Init();
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// renderer.Format();
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// renderer.Draw();
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//
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// rect.Y += rect.Height + dyBetweenCharts;
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// }
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}
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/// <summary>
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/// Draws first chart only.
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/// </summary>
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public void DrawChart(XGraphics gfx)
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{
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XGraphicsState state = gfx.Save();
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gfx.TranslateTransform(_location.X, _location.Y);
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if (_chartList.Count > 0)
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{
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XRect chartRect = new XRect(0, 0, _size.Width, _size.Height);
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Chart chart = (Chart)_chartList[0];
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RendererParameters parms = new RendererParameters(gfx, chartRect);
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parms.DrawingItem = chart;
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ChartRenderer renderer = GetChartRenderer(chart, parms);
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renderer.Init();
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renderer.Format();
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renderer.Draw();
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}
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gfx.Restore(state);
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}
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/// <summary>
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/// Returns the chart renderer appropriate for the chart.
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/// </summary>
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private ChartRenderer GetChartRenderer(Chart chart, RendererParameters parms)
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{
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ChartType chartType = chart.Type;
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bool useCombinationRenderer = false;
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foreach (Series series in chart._seriesCollection)
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{
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if (series._chartType != chartType)
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{
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useCombinationRenderer = true;
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break;
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}
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}
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if (useCombinationRenderer)
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return new CombinationChartRenderer(parms);
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switch (chartType)
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{
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case ChartType.Line:
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return new LineChartRenderer(parms);
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case ChartType.Column2D:
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case ChartType.ColumnStacked2D:
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return new ColumnChartRenderer(parms);
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case ChartType.Bar2D:
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case ChartType.BarStacked2D:
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return new BarChartRenderer(parms);
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case ChartType.Area2D:
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return new AreaChartRenderer(parms);
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case ChartType.Pie2D:
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case ChartType.PieExploded2D:
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return new PieChartRenderer(parms);
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}
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return null;
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}
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/// <summary>
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/// Holds the charts which will be drawn inside the ChartFrame.
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/// </summary>
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List<Chart> _chartList;
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}
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}
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