Neuerstellung

- Quelle: https://github.com/oxyplot/oxyplot

Source/Examples/Core.Drawing/Example1/Example1.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFrameworks>net6.0</TargetFrameworks>
+  </PropertyGroup>
+
+    <ItemGroup>
+    <ProjectReference Include="..\..\..\OxyPlot.Core.Drawing\OxyPlot.Core.Drawing.csproj" />
+  </ItemGroup>
+
+</Project>

Source/Examples/Core.Drawing/Example1/Program.cs

@@ -0,0 +1,86 @@
+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));
+        }
+    }
+}