InvertEffect Class

Visual Basic
C#
Objective-C
Java
C++

public class InvertEffect : System.Windows.Media.Effects.ShaderEffect, System.Windows.Media.Animation.IAnimatable

'Declaration
 
Public Class InvertEffect 
   Inherits System.Windows.Media.Effects.ShaderEffect
   Implements System.Windows.Media.Animation.IAnimatable

'Usage
 
Dim instance As InvertEffect

ObjectiveC Syntax

Java Syntax

public ref class InvertEffect : public System.Windows.Media.Effects.ShaderEffect, System.Windows.Media.Animation.IAnimatable

This class can also be used to invert the color of a 1-bit image, making the black white and the white black.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Class InvertEffectExampleWindow
      Inherits Window
      Private theViewer As ImageViewer

      Public Sub New()
         Dim sp As New StackPanel()
         Content = sp

         theViewer = New ImageViewer()

         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 viewer
         theViewer.Source = New BitmapImage(New Uri(System.IO.Path.Combine(LEAD_VARS.ImagesDir, "Cannon.jpg")))

         Title = "Double click to use the Effect"

         AddHandler theViewer.MouseDoubleClick, AddressOf theViewer_MouseDoubleClick
      End Sub

      Private Sub theViewer_MouseDoubleClick(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
         Dim effect As New InvertEffect()
         theViewer.ImageEffect = effect

         Title = "Using InvertEffect"
      End Sub
   End Class

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

class InvertEffectExampleWindow : Window
   {
      private ImageViewer theViewer;
      public InvertEffectExampleWindow()
      {
         StackPanel sp = new StackPanel();
         Content = sp;

         theViewer = new ImageViewer();

         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 viewer
         theViewer.Source = new BitmapImage(new Uri(System.IO.Path.Combine(LEAD_VARS.ImagesDir, "Cannon.jpg")));

         Title = "Double click to use the Effect";

         theViewer.MouseDoubleClick += new MouseButtonEventHandler(theViewer_MouseDoubleClick);
      }

      private void theViewer_MouseDoubleClick(object sender, MouseButtonEventArgs e)
      {
         InvertEffect effect = new InvertEffect();
         theViewer.ImageEffect = effect;

         Title = "Using InvertEffect";
      }
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

class InvertEffectExampleWindow : UserControl
{
   private ImageViewer theViewer;
   public InvertEffectExampleWindow()
   {
      StackPanel sp = new StackPanel();
      Content = sp;

      theViewer = new ImageViewer();

      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 viewer
      theViewer.Source = new BitmapImage(new Uri(LeadtoolsExamples.Common.ImagesPath.Path + "Cannon.jpg"));

      //theViewer.MouseDoubleClick += new MouseButtonEventHandler(theViewer_MouseDoubleClick);
   }

   private void theViewer_MouseDoubleClick(object sender, MouseButtonEventArgs e)
   {
      InvertEffect effect = new InvertEffect();
      theViewer.ImageEffect = effect;
   }
}

Class InvertEffectExampleWindow
   Inherits UserControl
   Private theViewer As ImageViewer

   Public Sub New()
      Dim sp As New StackPanel()
      Content = sp

      theViewer = New ImageViewer()

      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 viewer
      theViewer.Source = New BitmapImage(New Uri(LeadtoolsExamples.Common.ImagesPath.Path + "Cannon.jpg"))
   End Sub

   Private Sub theViewer_MouseDoubleClick(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
      Dim effect As New InvertEffect()
      theViewer.ImageEffect = effect
   End Sub
End Class

<Window x:Class="InvertEffectExample"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:leadControls="clr-namespace:Leadtools.Windows.Controls;assembly=Leadtools.Windows.Controls"
xmlns:leadEffects="clr-namespace:Leadtools.Windows.Media.Effects;assembly=Leadtools.Windows.Media.Effects"
Height="600" Width="800">
   <StackPanel>
      <leadControls:ImageViewer
         HorizontalAlignment="Center" VerticalAlignment="Top"
         ImageHorizontalAlignment="Left" ImageVerticalAlignment="Top"
         Source="file:///c:\users\Public\Documents\LEADTOOLS Images\cannon.jpg">
         <leadControls:ImageViewer.ImageEffect>
            <leadEffects:InvertEffect/>
         </leadControls:ImageViewer.ImageEffect>
      </leadControls:ImageViewer>
   </StackPanel>
</Window>

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

InvertEffect Members
Leadtools.Windows.Media.Effects Namespace
Introduction