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

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

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.Windows.Controls
Imports Leadtools.Windows.Media
Imports Leadtools.Windows.Media.Effects

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

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.Windows.Controls;
using Leadtools.Windows.Media;
using Leadtools.Windows.Media.Effects;

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";
}

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.Windows.Media;
using Leadtools.Windows.Media.Effects;
using Leadtools.Windows.Controls;

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;
   }
}

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.Windows.Controls
Imports Leadtools.Windows.Media
Imports Leadtools.Windows.Media.Effects

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

Reference

InvertEffect Members
Leadtools.Windows.Media.Effects Namespace
Introduction