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LinePatternViewerControlWpf.xaml.cs
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LinePatternViewerControlWpf.xaml.cs
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using System;
using System.ComponentModel;
using System.Windows;
using WShapes = System.Windows.Shapes;
using System.Windows.Media;
using Autodesk.Revit.DB;
namespace LinePatternViewer
{
/// <summary>
/// Interaction logic for LinePatternViewerControlWpf.xaml
/// </summary>
public partial class LinePatternViewerControlWpf : INotifyPropertyChanged
{
#region LinePattern DependencyProperty
public static readonly DependencyProperty
LinePatternProperty = DependencyProperty
.RegisterAttached("LinePattern",
typeof(LinePattern),
typeof(LinePatternViewerControlWpf),
new UIPropertyMetadata(null, OnLinePatternChanged));
private static void OnLinePatternChanged(
DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
var linePatternViewerControl = d as LinePatternViewerControlWpf;
if (linePatternViewerControl == null) return;
linePatternViewerControl.OnPropertyChanged("LinePattern");
linePatternViewerControl.CreateLinePatternOnCanvas();
}
public LinePattern LinePattern
{
get
{
return (LinePattern)GetValue(LinePatternProperty);
}
set
{
SetValue(LinePatternProperty, value);
}
}
public LinePattern GetLinePattern(
DependencyObject obj)
{
return (LinePattern)obj.GetValue(
LinePatternProperty);
}
public void SetLinePattern(
DependencyObject obj,
LinePattern value)
{
obj.SetValue(LinePatternProperty, value);
}
#endregion
public System.Collections.Generic.List<string> colorCheckList = null;
public LinePatternViewerControlWpf()
{
InitializeComponent();
this.Foreground = System.Windows.Media.Brushes.Black;
theCanvas.Background = this.Background;
}
public event PropertyChangedEventHandler
PropertyChanged;
//[NotifyPropertyChangedInvocator]
protected virtual void OnPropertyChanged(
string propertyName)
{
var handler = PropertyChanged;
if (handler != null)
handler(this,
new PropertyChangedEventArgs(propertyName));
}
private void CreateLinePatternOnCanvas()
{
var width =
(ActualWidth == 0 ? Width : ActualWidth) == 0
? 100
: (ActualWidth == 0 ? Width : ActualWidth);
if (double.IsNaN(width))
width = 100;
var height =
(ActualHeight == 0 ? Height : ActualHeight) == 0
? 30
: (ActualHeight == 0 ? Height : ActualHeight);
if (double.IsNaN(height))
height = 30;
System.Collections.Generic.IList<LinePatternSegment> segments = LinePattern.GetSegments();
if (segments.Count > 0)
{
double x1 = 0, x2 = 0;
while ((x2 * 96 * 12) <= width)
{
foreach (LinePatternSegment lps in segments)
{
x2 += lps.Length;
WShapes.Line l = new WShapes.Line();
l.StrokeThickness = 3d;
l.StrokeEndLineCap = PenLineCap.Square;
l.StrokeStartLineCap = PenLineCap.Square;
l.X1 = x1 * 96 * 12; // 96px per inch X 12 inches per foot
l.Y1 = height / 2;
l.X2 = x2 * 96 * 12;
l.Y2 = height / 2;
switch (lps.Type)
{
case LinePatternSegmentType.Dash:
l.Stroke = Foreground;
break;
case LinePatternSegmentType.Dot:
l.StrokeThickness = 2.5d;
l.StrokeEndLineCap = PenLineCap.Round;
l.StrokeStartLineCap = PenLineCap.Round;
l.Stroke = Foreground;
break;
case LinePatternSegmentType.Space:
l.Stroke = System.Windows.Media.Brushes.Transparent;
break;
default:
throw new ArgumentException("Invalid segment type");
}
theCanvas.Children.Add(l);
x1 += lps.Length;
}
}
}
else
{
//solid line
WShapes.Line l = new WShapes.Line();
l.StrokeThickness = 5;
l.StrokeEndLineCap = PenLineCap.Square;
l.StrokeStartLineCap = PenLineCap.Square;
l.X1 = 0 * 96 * 12; // 96px per inch X 12 inches per foot
l.Y1 = height / 2;
l.X2 = width;
l.Y2 = height / 2;
l.Stroke = System.Windows.Media.Brushes.Black;
theCanvas.Children.Add(l);
}
}
//OnPropertyChanged("LinePatternImage");
}
}