public double KernelPos2 { get; set; }
The value of the second edge detection matrix item. Default value is 2.0.
This class uses a 3 X 1 Kernel matrix to produce the effect. The matrix will be constructed by the KernelPos1, KernelPos2 and KernelPos3 properties.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.Windows.Controls;
using Leadtools.Windows.Media;
using Leadtools.Windows.Media.Effects;
class EdgeDetectEffectExampleWindow : Window
{
public EdgeDetectEffectExampleWindow()
{
StackPanel sp = new StackPanel();
Content = sp;
ImageViewer theViewer = new ImageViewer();
theViewer.HorizontalAlignment = HorizontalAlignment.Center;
theViewer.VerticalAlignment = VerticalAlignment.Top;
theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left;
theViewer.ImageVerticalAlignment = VerticalAlignment.Top;
sp.Children.Add(theViewer);
// Create the sliders
TextBlock tb = new TextBlock();
tb.HorizontalAlignment = HorizontalAlignment.Center;
tb.Text = "Threshold:";
sp.Children.Add(tb);
Slider theSlider = new Slider();
theSlider.Minimum = 0.0;
theSlider.Maximum = 1.0;
theSlider.Width = 400;
theSlider.Orientation = Orientation.Horizontal;
theSlider.IsSnapToTickEnabled = true;
theSlider.TickPlacement = System.Windows.Controls.Primitives.TickPlacement.BottomRight;
theSlider.TickFrequency = 0.1;
theSlider.AutoToolTipPrecision = 2;
theSlider.AutoToolTipPlacement = System.Windows.Controls.Primitives.AutoToolTipPlacement.BottomRight;
sp.Children.Add(theSlider);
// Load an image into the viewer
theViewer.Source = new BitmapImage(new Uri(System.IO.Path.Combine(LEAD_VARS.ImagesDir, "Cannon.jpg")));
// Create the effect
EdgeDetectEffect effect = new EdgeDetectEffect();
effect.Threshold = 0.1f;
theViewer.ImageEffect = effect;
// Bind the properties
Binding bind = new Binding();
bind.Source = effect;
bind.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
bind.Path = new PropertyPath("Threshold");
theSlider.SetBinding(Slider.ValueProperty, bind);
Title = "Using EdgeDetectEffect";
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}