113 lines
2.8 KiB
C#
113 lines
2.8 KiB
C#
using System;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Web.Mvc;
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using System.Web.UI.DataVisualization.Charting;
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using System.Web.UI.WebControls;
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using LeafWeb.Core.Charter;
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using LeafWeb.Core.Entities;
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using LeafWeb.Core.Parsers;
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using LeafWeb.Web.Charter;
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namespace LeafWeb.Web.Controllers
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{
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public class LeafCharterController : ControllerBase
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{
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public ActionResult Index(int leafInputId)
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{
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var hasLeafOutputFile =
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DataService
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.GetLeafInput(leafInputId)?
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.OutputFiles?
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.FirstOrDefault(f => f.IsLeafChartFile) != null;
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return View(leafInputId);
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}
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public ActionResult LeafCharts(int leafInputId, int number)
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{
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var leafOutputFile =
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DataService
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.GetLeafInput(leafInputId)?
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.OutputFiles?
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.FirstOrDefault(f => f.IsLeafChartFile);
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if (leafOutputFile == null)
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return View(); // TODO: break
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return File(GetChartImage(leafOutputFile.Contents, number), "image/png", "mychart.png");
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}
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private byte[] GetChartImage(byte[] fileContents, int number, ChartImageFormat format = ChartImageFormat.Png)
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{
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CntrlComparison[] cntrlComparison;
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using (var parser = new CntrlComparisonParser(fileContents))
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cntrlComparison = parser.Parse();
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var curveData = CurveDataConverter.Convert(cntrlComparison).ToArray();
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var charts = LeafWebCharter.ProduceCharts(curveData[2]);
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//Image.FromFile()
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using (var ms = new MemoryStream())
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{
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charts.Skip(number).First().SaveImage(ms, format);
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ms.Seek(0, SeekOrigin.Begin);
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return ms.ToArray();
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}
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}
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public ActionResult ChartSample()
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{
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var chart = new Chart
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{
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BackColor = Color.FromArgb(255, 255, 255),
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Width = Unit.Pixel(250),
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Height = Unit.Pixel(2500)
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};
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var series = new Series
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{
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ChartArea = "ca1",
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ChartType = SeriesChartType.Line
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};
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//series.Font = new Font("Verdana", 8.25f, FontStyle.Regular);
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var myRandom = new Random();
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for (int i = 0; i < 100; i++)
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{
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var dp = new DataPoint();
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dp.AxisLabel = String.Format("{0}-{1}", i, Guid.NewGuid().ToString().Substring(0, 4));
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dp.YValues = new double[] { myRandom.Next(5, 100) };
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series.Points.Add(dp);
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}
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chart.Series.Add(series);
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var area = new ChartArea("ca1");
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area.Area3DStyle.Enable3D = false;
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area.AxisX.Interval = 1;
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//area.BackColor = Color.Transparent;
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//var labelStyle = new LabelStyle();
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//labelStyle.Enabled = true;
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//labelStyle.Font = new Font("Arial", 3f);
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area.AxisX.LabelStyle.Font = new Font("Verdana", 8.25f, FontStyle.Underline);//Why does it recognize the style but not the font!!!???
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chart.ChartAreas.Add(area);
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using (var ms = new MemoryStream())
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{
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chart.SaveImage(ms, ChartImageFormat.Png);
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ms.Seek(0, SeekOrigin.Begin);
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return File(ms.ToArray(), "image/png", "mychart.png");
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}
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}
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}
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} |