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LightCommand Class
See Also  Members   Example 
Leadtools.ImageProcessing.SpecialEffects Namespace : LightCommand Class




Adds many spots of directed light sources to the image. This command is available in the Raster Pro and above toolkits.

Object Model


Syntax

Visual Basic (Declaration) 
Public Class LightCommand 
   Inherits RasterCommand
   Implements IRasterCommand 
Visual Basic (Usage)Copy Code
Dim instance As LightCommand
C# 
public class LightCommand : RasterCommand, IRasterCommand 
Managed Extensions for C++ 
public __gc class LightCommand : public RasterCommand, IRasterCommand 
C++/CLI 
public ref class LightCommand : public RasterCommand, IRasterCommand 

Example

Visual BasicCopy Code
ImageProcessing.SpecialEffects.LightCommand
   Public Sub LightCommandExample()
      RasterCodecs.Startup()
      Dim codecs As New RasterCodecs()
      codecs.ThrowExceptionsOnInvalidImages = True

      Dim leadImage As RasterImage = codecs.Load("C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Master.jpg")

      ' Prepare the command
      Dim Data() As LightCommandData
      ReDim Data(0)
      Data(0) = New LightCommandData
      Data(0).Angle = 0
      Data(0).CenterPoint = New Point(leadImage.Width \ 2, leadImage.Height \ 2)
      Data(0).Edge = 0
      Data(0).Brightness = 100
      Data(0).FillColor = New RasterColor(255, 255, 255)
      Data(0).Height = Math.Min(leadImage.Height, leadImage.Width) \ 2
      Data(0).Width = Math.Min(leadImage.Height, leadImage.Width) \ 2
      Data(0).Opacity = 100
      Data(0).Type = LightCommandType.Spot

      Dim command As LightCommand = New LightCommand
      command.Ambient = 100
      command.Bright = 100
      command.Data = Data
      command.AmbientColor = New RasterColor(255, 255, 255)
      command.Run(leadImage)
      codecs.Save(leadImage, "C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Result.jpg", RasterImageFormat.Jpeg, 24)

      RasterCodecs.Shutdown()
   End Sub
C#Copy Code
ImageProcessing.SpecialEffects.LightCommand 
      public void LightCommandExample() 
      { 
         // Load an image 
         RasterCodecs.Startup(); 
         RasterCodecs codecs = new RasterCodecs(); 
         codecs.ThrowExceptionsOnInvalidImages = true; 
 
         RasterImage image = codecs.Load(@"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Master.jpg"); 
 
         // Prepare the command 
         LightCommandData[] Data = new LightCommandData[1]; 
         Data[0].Angle           = 0; 
         Data[0].CenterPoint     = new Point(image.Width / 2, image.Height / 2); 
         Data[0].Edge            = 0; 
         Data[0].Brightness      = 100; 
         Data[0].FillColor       = new RasterColor(255, 255, 255); 
         Data[0].Height          = Math.Min(image.Height, image.Width) / 2; 
         Data[0].Width           = Math.Min(image.Height, image.Width) / 2; 
         Data[0].Opacity         = 100; 
         Data[0].Type            = LightCommandType.Spot; 
 
         LightCommand command = new LightCommand(); 
         command.Ambient = 100; 
         command.Bright  = 100; 
         command.Data = Data; 
         command.AmbientColor = new RasterColor(255, 255, 255); 
         command.Run(image); 
         codecs.Save(image, @"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Result.jpg", RasterImageFormat.Jpeg, 24); 
 
         RasterCodecs.Shutdown(); 
      }

Remarks

  • This command 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 command does not support signed data images.
  • This command does not support 32-bit grayscale images.
For more information, refer to Applying Artistic Effects.
For more information, refer to Correcting Colors.

Inheritance Hierarchy

System.Object
   Leadtools.ImageProcessing.RasterCommand
      Leadtools.ImageProcessing.SpecialEffects.LightCommand

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