// --------------------------------------------------------------------------------------------------------------------
// <copyright file="PointAnnotationExamples.cs" company="OxyPlot">
// Copyright (c) 2014 OxyPlot contributors
// </copyright>
// --------------------------------------------------------------------------------------------------------------------

namespace ExampleLibrary
{
 using OxyPlot;
 using OxyPlot.Annotations;
 using OxyPlot.Axes;

 [Examples("PointAnnotation"), Tags("Annotations")]
 public static class PointAnnotationExamples
 {
 [Example("PointAnnotation")]
 public static PlotModel PointAnnotation()
 {
 var model = new PlotModel { Title = "PointAnnotation" };
 model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom });
 model.Axes.Add(new LinearAxis { Position = AxisPosition.Left });

 model.Annotations.Add(new PointAnnotation { X = 50, Y = 50, Text = "P1" });
 return model;
 }

 [Example("PointAnnotation - shapes")]
 public static PlotModel PointAnnotationShapes()
 {
 var model = new PlotModel { Title = "PointAnnotation - shapes" };
 model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom, Maximum = 120 });
 model.Axes.Add(new LinearAxis { Position = AxisPosition.Left });

 // filled
 model.Annotations.Add(
 new PointAnnotation
 {
 X = 20,
 Y = 60,
 Text = "Circle",
 Shape = MarkerType.Circle,
 Fill = OxyColors.LightGray,
 Stroke = OxyColors.DarkGray,
 StrokeThickness = 1
 });
 model.Annotations.Add(
 new PointAnnotation
 {
 X = 40,
 Y = 60,
 Text = "Square",
 Shape = MarkerType.Square,
 Fill = OxyColors.LightBlue,
 Stroke = OxyColors.DarkBlue,
 StrokeThickness = 1
 });
 model.Annotations.Add(
 new PointAnnotation
 {
 X = 60,
 Y = 60,
 Text = "Triangle",
 Shape = MarkerType.Triangle,
 Fill = OxyColors.IndianRed,
 Stroke = OxyColors.Black,
 StrokeThickness = 1
 });
 model.Annotations.Add(
 new PointAnnotation
 {
 X = 80,
 Y = 60,
 Text = "Diamond",
 Shape = MarkerType.Diamond,
 Fill = OxyColors.ForestGreen,
 Stroke = OxyColors.Black,
 StrokeThickness = 1
 });
 model.Annotations.Add(
 new PointAnnotation
 {
 X = 100,
 Y = 60,
 Text = "Custom",
 Shape = MarkerType.Custom,
 CustomOutline =
 new[]
 {
 new ScreenPoint(-1, -1), new ScreenPoint(1, 1), new ScreenPoint(-1, 1),
 new ScreenPoint(1, -1)
 },
 Stroke = OxyColors.Black,
 Fill = OxyColors.CadetBlue,
 StrokeThickness = 1
 });

 // not filled
 model.Annotations.Add(
 new PointAnnotation
 {
 X = 20,
 Y = 40,
 Text = "Cross",
 Shape = MarkerType.Cross,
 Stroke = OxyColors.IndianRed,
 StrokeThickness = 1
 });
 model.Annotations.Add(
 new PointAnnotation
 {
 X = 40,
 Y = 40,
 Text = "Plus",
 Shape = MarkerType.Plus,
 Stroke = OxyColors.Navy,
 StrokeThickness = 1
 });
 model.Annotations.Add(
 new PointAnnotation
 {
 X = 60,
 Y = 40,
 Text = "Star",
 Shape = MarkerType.Star,
 Stroke = OxyColors.DarkOliveGreen,
 StrokeThickness = 1
 });

 return model;
 }

 [Example("PointAnnotation - text alignments")]
 public static PlotModel PointAnnotationTextAlignment()
 {
 var model = new PlotModel { Title = "PointAnnotation - text alignments" };
 model.Axes.Add(new LinearAxis { Position = AxisPosition.Bottom, Minimum = -50, Maximum = 50 });
 model.Axes.Add(new LinearAxis { Position = AxisPosition.Left, Minimum = -50, Maximum = 50 });

 for (var ha = -1; ha <= 1; ha++)
 {
 var h = (HorizontalAlignment)ha;
 for (var va = -1; va <= 1; va++)
 {
 var v = (VerticalAlignment)va;
 model.Annotations.Add(
 new PointAnnotation
 {
 X = ha * 20,
 Y = va * 20,
 Size = 10,
 Text = h + "," + v,
 TextHorizontalAlignment = h,
 TextVerticalAlignment = v
 });
 }
 }

 return model;
 }
 }
}