Leadtools.Windows.Media.Effects Send comments on this topic. | Back to Introduction - All Topics | Help Version 15.8.31
LightControlCommandBitmapEffect Class
See Also  Members  
Leadtools.Windows.Media.Effects.Color Namespace : LightControlCommandBitmapEffect Class




Lightens or darkens all or part of an image by remapping the pixel values.

Syntax

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

Example

Run the LightControlCommandBitmapEffect on an image.

Remarks

  • This class remaps the pixel values of the image across the full range of available pixel values, in order to achieve the values passed in LowerAverage, Average and UpperAverage. For example, call this method for a grayscale image, with Average containing 150, LowerAverage containing 100 and UpperAverage containing 190. The pixels of the image will be remapped so that the new average pixel value for the entire image will be 150, the new average value for those pixels with a value between 0 and the average value for the entire image will be 100, and the new average value for those pixels with a value between the average value for the entire image and the maximum pixel value in the image will be 190.
  • This class supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
  • This class does not support signed data images.
  • For an example, see the following figure:

  • The following figure shows the same image, after the effect has been applied:

  • To obtain this effect, the following settings were used with the method: LowerAverage = 100
    Average = 255
    UpperAverage = 255
    Type = LightControlCommandBitmapEffectsType.Yuv
  • This command does not support 32-bit grayscale images.

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.LightControlCommandBitmapEffect

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also