Mercurial > silverbladetech

annotate MetroWpf/MetroWpf.Xaml/Converters/AngleToCoordinateConverter.cs @ 15:060f02cd4591

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial commit, pre airport work
author stevenh7776 stevenhollidge@hotmail.com
date Mon, 12 Mar 2012 23:05:21 +0800
parents
children
rev   line source
15
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
1 using System;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
2 using System.Diagnostics.Contracts;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
3 using System.Globalization;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
4 using System.Windows;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
5 using System.Windows.Data;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
6
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
7 namespace MetroWpf.Xaml.Converters
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
8 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
9 public sealed class AngleToCoordinateConverter : IMultiValueConverter
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
10 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
11 public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
12 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
13 if (values == null || values.Length < 4)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
14 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
15 return DependencyProperty.UnsetValue;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
16 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
17
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
18 var fallbackValue = values[0];
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
19 if (!(values[1] is double) || !(values[2] is double) || !(values[3] is double))
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
20 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
21 return fallbackValue;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
22 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
23 var angle = (double)values[1];
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
24 if (angle < 0.0)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
25 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
26 return fallbackValue;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
27 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
28 var areaWidth = (double)values[2];
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
29 var areaHeight = (double)values[3];
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
30
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
31 var width = values.Length > 4 ? (values[4] is double ? (double)values[4] : 0.0) : 0.0;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
32 var height = values.Length > 5 ? (values[5] is double ? (double)values[5] : 0.0) : 0.0;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
33 var radiusXCoordinate = values.Length > 6 ? (values[5] is double ? (double)values[5] : 0.0) : areaWidth / 2;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
34 var radiusYCoordinate = values.Length > 7 ? (values[6] is double ? (double)values[6] : 0.0) : areaHeight / 2;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
35
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
36 var length = Math.Max(width, height);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
37 var radius = Math.Min(areaWidth / 2, areaHeight / 2) - length;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
38
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
39 switch (parameter as string)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
40 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
41 case "X":
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
42 case "x":
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
43 var x = radiusXCoordinate + radius * Math.Cos(angle * Math.PI / 180);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
44 return x;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
45 case "Y":
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
46 case "y":
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
47 var y = radiusYCoordinate + radius * Math.Sin(angle * Math.PI / 180);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
48 return y;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
49 default:
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
50 return fallbackValue;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
51 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
52 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
53
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
54 public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
55 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
56 Contract.Ensures(false);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
57 throw new NotSupportedException();
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
58 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
59 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
60 } ;