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MultiplyCommandBitmapEffect Class
See Also  Members   Example 
Leadtools.Windows.Media.Effects.Color Namespace : MultiplyCommandBitmapEffect Class





Increases or decreases the brightness in the image by multiplying the colors in a specific image by a factoring value divided by 100.

Syntax

Visual Basic (Declaration) 
Public Class MultiplyCommandBitmapEffect 
   Inherits RasterCommandBitmapEffect
Visual Basic (Usage)Copy Code
Dim instance As MultiplyCommandBitmapEffect
C# 
public class MultiplyCommandBitmapEffect : RasterCommandBitmapEffect
Managed Extensions for C++ 
public __gc class MultiplyCommandBitmapEffect : public RasterCommandBitmapEffect
C++/CLI 
public ref class MultiplyCommandBitmapEffect : public RasterCommandBitmapEffect
XAML Property Element Usage 

MultiplyCommandBitmapEffect ...

Example

Run the MultiplyCommandBitmapEffect on an image with factor = 1.51.

Visual BasicCopy Code
Public Sub MultiplyCommandBitmapEffectExample(ByVal element As FrameworkElement)
   Dim effect As MultiplyCommandBitmapEffect = New MultiplyCommandBitmapEffect()
   effect.Factor = 0
   element.BitmapEffect = effect

   Dim storyboard As Storyboard = New Storyboard()

   Dim animation1 As Int32Animation = New Int32Animation()
   animation1.From = 1
   animation1.To = 100
   animation1.Duration = New Duration(TimeSpan.Parse("0:0:5"))
   animation1.RepeatBehavior = RepeatBehavior.Forever
   animation1.AutoReverse = True

   storyboard.SetTargetName(animation1, "AnimatedBitmapEffect")
   storyboard.SetTargetProperty(animation1, New PropertyPath(MultiplyCommandBitmapEffect.FactorProperty))
   element.RegisterName("AnimatedBitmapEffect", effect)
   storyboard.Children.Add(animation1)

   storyboard.Begin(element)
End Sub
C#Copy Code
public void MultiplyCommandBitmapEffectExample(FrameworkElement element) 
{ 
   MultiplyCommandBitmapEffect effect = new MultiplyCommandBitmapEffect(); 
   effect.Factor = 2; 
   element.BitmapEffect = effect; 
 
   Storyboard storyboard = new Storyboard(); 
 
   Int32Animation animation1 = new Int32Animation(); 
   animation1.From = 1; 
   animation1.To = 100; 
   animation1.Duration = new Duration(TimeSpan.Parse("0:0:5")); 
   animation1.RepeatBehavior = RepeatBehavior.Forever; 
   animation1.AutoReverse = true; 
 
   Storyboard.SetTargetName(animation1, "AnimatedBitmapEffect"); 
   Storyboard.SetTargetProperty(animation1, new PropertyPath(MultiplyCommandBitmapEffect.FactorProperty)); 
   element.RegisterName("AnimatedBitmapEffect", effect); 
   storyboard.Children.Add(animation1); 
 
   storyboard.Begin(element); 
}
XAMLCopy Code
<Page Title="CSAnimateEffect" Height="391" Width="300" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:lteffects="clr-namespace:Leadtools.Windows.Media.Effects.Color;assembly=Leadtools.Windows.Media.Effects"> 
  <Grid> 
    <Image Margin="10,10,10,10" HorizontalAlignment="Center" VerticalAlignment="Center" Source="C:\Program Files\LEAD Technologies, Inc\LEADTOOLS 15\Images\slave.jpg"> 
      <Image.BitmapEffect> 
        <lteffects:MultiplyCommandBitmapEffect x:Name="AnimatedBitmapEffect" Factor="0" /> 
      </Image.BitmapEffect> 
      <Image.Triggers> 
        <EventTrigger RoutedEvent="Image.Loaded"> 
          <BeginStoryboard> 
            <Storyboard> 
              <Int32Animation Storyboard.TargetName="AnimatedBitmapEffect" Storyboard.TargetProperty="Factor" From="1" To="100" Duration="0:0:5" RepeatBehavior="Forever" AutoReverse="True" /> 
            </Storyboard> 
          </BeginStoryboard> 
        </EventTrigger> 
      </Image.Triggers> 
    </Image> 
  </Grid> 
</Page>

Remarks

  • This class is used to increase or decrease the brightness in the image by multiplying the colors in a specific image by a factoring value divided by 100. For example, if the factoring value is 131, the colors in the image will be multiplied by 1.31.

Inheritance Hierarchy

System.Object
   System.Windows.Threading.DispatcherObject
      System.Windows.DependencyObject
         System.Windows.Freezable
            System.Windows.Media.Animation.Animatable
               System.Windows.Media.Effects.BitmapEffect
                  Leadtools.Windows.Media.Effects.RasterCommandBitmapEffect
                     Leadtools.Windows.Media.Effects.Color.MultiplyCommandBitmapEffect

Requirements

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Vista, and Windows Server 2003

See Also