oxyplot/Source/Examples/Core.Drawing/Example1/Program.cs at develop · oxyplot/oxyplot · GitHub

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namespace Example1

{

using System;

using System.IO;

using System.Linq;

using OxyPlot;

using OxyPlot.Axes;

using OxyPlot.Core.Drawing;

using OxyPlot.Series;

class Program

{

static void Main(string[] args)

{

var outputToFile = "test-oxyplot-static-export-file.png";

var outputExportStreamOOP = "test-oxyplot-ExportToStream.png";

var outputExportFileOOP = "test-oxyplot-ExportToFile.png";

var width = 1024;

var height = 768;

var background = OxyColors.LightGray;

var resolution = 96d;

var model = BuildPlotModel();

// export to file using static methods

PngExporter.Export(model, outputToFile, width, height, resolution);

// export using the instance methods

using (var stream = new MemoryStream())

{

var pngExporter = new PngExporter { Width = width, Height = height, Resolution = resolution };

pngExporter.Export(model, stream);

System.IO.File.WriteAllBytes(outputExportStreamOOP, stream.ToArray());

}

var pngExporter2 = new PngExporter { Width = width, Height = height, Resolution = resolution };

var bitmap = pngExporter2.ExportToBitmap(model);

bitmap.Save(outputExportFileOOP, System.Drawing.Imaging.ImageFormat.Png);

bitmap.Save(Path.ChangeExtension(outputExportFileOOP, ".gif"), System.Drawing.Imaging.ImageFormat.Gif);

}

private static IPlotModel BuildPlotModel()

{

var rand = new Random(21);

var model = new PlotModel { Title = "Cake Type Popularity" };

var cakePopularity = Enumerable.Range(1, 5).Select(i => rand.NextDouble()).ToArray();

var sum = cakePopularity.Sum();

var barItems = cakePopularity.Select(cp => RandomBarItem(cp, sum)).ToArray();

var barSeries = new BarSeries

{

ItemsSource = barItems,

LabelPlacement = LabelPlacement.Base,

LabelFormatString = "{0:.00}%"

};

model.Series.Add(barSeries);

model.Axes.Add(new CategoryAxis

{

Position = AxisPosition.Left,

Key = "CakeAxis",

ItemsSource = new[]

{

"Apple cake",

"Baumkuchen",

"Bundt Cake",

"Chocolate cake",

"Carrot cake"

}

});

return model;

}

private static BarItem RandomBarItem(double cp, double sum)

=> new BarItem { Value = cp / sum * 100, Color = RandomColor() };

private static OxyColor RandomColor()

{

var r = new Random();

return OxyColor.FromRgb((byte)r.Next(255), (byte)r.Next(255), (byte)r.Next(255));

}

oxyplot/Source/Examples/Core.Drawing/Example1/Program.cs at develop · oxyplot/oxyplot · GitHub

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