public void FillGrayTexture(RasterImage image)
image
The LEADTOOLS Leadtools.RasterImage containing the grayscale image.
Use this method to initialize the GrayTexture property required by this WindowLevelEffect to work on the specified Leadtools.RasterImage.
using Leadtools;using Leadtools.Codecs;using Leadtools.ImageProcessing;using Leadtools.Windows.Controls;using Leadtools.Windows.Media;using Leadtools.Windows.Media.Effects;class WindowLevelEffectExampleWindow : Window{public WindowLevelEffectExampleWindow(){StackPanel sp = new StackPanel();Content = sp;RasterImageViewer theViewer = new RasterImageViewer();theViewer.HorizontalAlignment = HorizontalAlignment.Center;theViewer.VerticalAlignment = VerticalAlignment.Top;theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left;theViewer.ImageVerticalAlignment = VerticalAlignment.Top;sp.Children.Add(theViewer);// Load an image into the viewerusing (RasterCodecs codecs = new RasterCodecs()){theViewer.Image = codecs.Load(System.IO.Path.Combine(LEAD_VARS.ImagesDir, "Image3.dcm"));}// Create the slidersTextBlock tb = new TextBlock();tb.HorizontalAlignment = HorizontalAlignment.Center;tb.Text = "Window Width:";sp.Children.Add(tb);Slider windowWidthSlider = new Slider();windowWidthSlider.Minimum = 0.0;windowWidthSlider.Maximum = Math.Pow(2, theViewer.Image.BitsPerPixel - 1);windowWidthSlider.Width = 400;windowWidthSlider.Orientation = Orientation.Horizontal;windowWidthSlider.IsSnapToTickEnabled = true;windowWidthSlider.TickPlacement = System.Windows.Controls.Primitives.TickPlacement.BottomRight;windowWidthSlider.TickFrequency = 0.1;windowWidthSlider.AutoToolTipPrecision = 2;windowWidthSlider.AutoToolTipPlacement = System.Windows.Controls.Primitives.AutoToolTipPlacement.BottomRight;sp.Children.Add(windowWidthSlider);tb = new TextBlock();tb.HorizontalAlignment = HorizontalAlignment.Center;tb.Text = "Window Center:";sp.Children.Add(tb);Slider windowCenterSlider = new Slider();windowCenterSlider.Minimum = 0.0;windowCenterSlider.Maximum = Math.Pow(2, theViewer.Image.BitsPerPixel - 1);windowCenterSlider.Width = 400;windowCenterSlider.Orientation = Orientation.Horizontal;windowCenterSlider.IsSnapToTickEnabled = true;windowCenterSlider.TickPlacement = System.Windows.Controls.Primitives.TickPlacement.BottomRight;windowCenterSlider.TickFrequency = 0.1;windowCenterSlider.AutoToolTipPrecision = 2;windowCenterSlider.AutoToolTipPlacement = System.Windows.Controls.Primitives.AutoToolTipPlacement.BottomRight;sp.Children.Add(windowCenterSlider);// Setup the effectWindowLevelEffect effect = new WindowLevelEffect();// Set the textureeffect.FillGrayTexture(theViewer.Image);effect.Start = Colors.Black;effect.End = Colors.White;effect.CurveType = CurveType.Linear;effect.Factor = 0.0;effect.WindowWidth = Math.Pow(2, theViewer.Image.MaxValue - theViewer.Image.MinValue);effect.WindowCenter = effect.WindowWidth / 2;theViewer.ImageEffect = effect;// Bind the propertiesBinding bind = new Binding();bind.Source = effect;bind.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;bind.Path = new PropertyPath("WindowWidth");windowWidthSlider.SetBinding(Slider.ValueProperty, bind);bind = new Binding();bind.Source = effect;bind.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;bind.Path = new PropertyPath("WindowCenter");windowCenterSlider.SetBinding(Slider.ValueProperty, bind);Title = "Using WindowLevelEffect";}}static class LEAD_VARS{public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";}