Neuerstellung

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

Source/Examples/ExampleLibrary/Series/LinearBarSeriesExamples.cs

@@ -0,0 +1,119 @@
+namespace ExampleLibrary
+{
+    using System;
+
+    using OxyPlot;
+    using OxyPlot.Axes;
+    using OxyPlot.Series;
+
+    [Examples("LinearBarSeries"), Tags("Series")]
+    public class LinearBarSeriesExamples
+    {
+        //private static readonly Random Randomizer = new Random(13);
+
+        [Example("Default style")]
+        [DocumentationExample("Series/LinearBarSeries")]
+        public static PlotModel DefaultStyle()
+        {
+            var model = new PlotModel { Title = "LinearBarSeries with default style" };
+            model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom });
+            model.Axes.Add(new LinearAxis { Position = AxisPosition.Left });
+            var linearBarSeries = CreateExampleLinearBarSeries();
+            linearBarSeries.Title = "LinearBarSeries";
+            model.Series.Add(linearBarSeries);
+
+            return model;
+        }
+
+        [Example("With stroke")]
+        public static PlotModel WithStroke()
+        {
+            var model = new PlotModel { Title = "LinearBarSeries with stroke" };
+            model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom });
+            model.Axes.Add(new LinearAxis { Position = AxisPosition.Left });
+            var linearBarSeries = CreateExampleLinearBarSeries();
+            linearBarSeries.Title = "LinearBarSeries";
+            linearBarSeries.FillColor = OxyColor.Parse("#454CAF50");
+            linearBarSeries.StrokeColor = OxyColor.Parse("#4CAF50");
+            linearBarSeries.StrokeThickness = 1;
+            model.Series.Add(linearBarSeries);
+
+            return model;
+        }
+
+        [Example("With negative colors")]
+        public static PlotModel WithNegativeColors()
+        {
+            return CreateWithNegativeColors();
+        }
+
+        [Example("With negative colors (logaritmic)")]
+        public static PlotModel WithNegativeColorsLogarithmic()
+        {
+            return CreateWithNegativeColors(logarithmic: true);
+        }
+
+        [Example("With BaseValue")]
+        public static PlotModel WithBaseValue()
+        {
+            return CreateWithNegativeColors(baseValue: 50);
+        }
+
+        [Example("With BaseValue (Logarithmic)")]
+        public static PlotModel WithBaseValueLogarithmic()
+        {
+            return CreateWithNegativeColors(logarithmic: true, baseValue: 50);
+        }
+
+        public static PlotModel CreateWithNegativeColors(bool logarithmic = false, double baseValue = 0)
+        {
+            var model = new PlotModel { Title = logarithmic ? "LinearBarSeries with stroke (logarithmic)" : "LinearBarSeries with stroke" };
+            model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom });
+            model.Axes.Add(logarithmic ? (Axis)new LogarithmicAxis { Position = AxisPosition.Left } : new LinearAxis { Position = AxisPosition.Left });
+            var linearBarSeries = CreateExampleLinearBarSeriesWithNegativeValues();
+            linearBarSeries.Title = "LinearBarSeries";
+            linearBarSeries.FillColor = OxyColor.Parse("#454CAF50");
+            linearBarSeries.StrokeColor = OxyColor.Parse("#4CAF50");
+            linearBarSeries.NegativeFillColor = OxyColor.Parse("#45BF360C");
+            linearBarSeries.NegativeStrokeColor = OxyColor.Parse("#BF360C");
+            linearBarSeries.StrokeThickness = 1;
+            linearBarSeries.BaseValue = baseValue;
+            model.Series.Add(linearBarSeries);
+
+            return model;
+        }
+
+        /// <summary>
+        /// Creates an example linear bar series.
+        /// </summary>
+        /// <returns>A linear bar series containing random points.</returns>
+        private static LinearBarSeries CreateExampleLinearBarSeries()
+        {
+            var linearBarSeries = new LinearBarSeries();
+            var r = new Random(31);
+            var y = r.Next(10, 30);
+            for (int x = 0; x <= 50; x++)
+            {
+                linearBarSeries.Points.Add(new DataPoint(x, y));
+                y += r.Next(-5, 5);
+            }
+            return linearBarSeries;
+        }
+
+        /// <summary>
+        /// Creates an example linear bar series with negative values.
+        /// </summary>
+        /// <returns>A linear bar series containing random points.</returns>
+        private static LinearBarSeries CreateExampleLinearBarSeriesWithNegativeValues()
+        {
+            var linearBarSeries = new LinearBarSeries();
+            var r = new Random(31);
+            for (int x = 0; x <= 50; x++)
+            {
+                var y = -200 + r.Next(1000);
+                linearBarSeries.Points.Add(new DataPoint(x, y));
+            }
+            return linearBarSeries;
+        }
+    }
+}