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LightControlCommand Constructor()
See Also  Example



Initializes a new LightControlCommand class object with default parameters.

Syntax

Visual Basic (Declaration) 
Public Function New()
Visual Basic (Usage)Copy Code
Dim instance As LightControlCommand()
C# 
public LightControlCommand()
C++/CLI 
public:
LightControlCommand();

Example

Run the LightControlCommand on an image.

Visual BasicCopy Code
Public Sub LightControlConstructorExample()
   RasterCodecs.Startup()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "Master.jpg")

   ' Prepare the command
   Dim LowerAverage() As Integer
   ReDim LowerAverage(2)
   LowerAverage(0) = 100 'for blue, gray or yuv
   LowerAverage(1) = 120 'for green
   LowerAverage(2) = 80 'for red

   Dim Average() As Integer
   ReDim Average(2)
   Average(0) = 150 'for blue, gray or yuv
   Average(1) = 140 'for green
   Average(2) = 128 'for red

   Dim UpperAverage() As Integer
   ReDim UpperAverage(2)
   UpperAverage(0) = 190 'for blue, gray or yuv
   UpperAverage(1) = 200 'for green
   UpperAverage(2) = 220 'for red

   Dim command As LightControlCommand = New LightControlCommand
   command.LowerAverage = LowerAverage
   command.UpperAverage = UpperAverage
   command.Average = Average
   command.Type = LightControlCommandType.Yuv

   ' change the lightness of the image.
   command.Run(leadImage)

   RasterCodecs.Shutdown()
End Sub
C#Copy Code
public void LightControlConstructorExample() 
{ 
   // Load an image 
   RasterCodecs.Startup(); 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "Master.jpg"); 
 
   // Prepare the command 
   int[] LowerAverage = new int[3]; 
   LowerAverage[0] = 100; //for blue, gray or yuv 
   LowerAverage[1] = 120; //for green 
   LowerAverage[2] = 80; //for red 
 
   int[] Average  = new int[3]; 
   Average[0] = 150; //for blue, gray or yuv 
   Average[1] = 140; //for green 
   Average[2] = 128; //for red 
 
   int[] UpperAverage = new int[3]; 
   UpperAverage[0] = 190; //for blue, gray or yuv 
   UpperAverage[1] = 200; //for green 
   UpperAverage[2] = 220; //for red  
 
   LightControlCommand command = new LightControlCommand(); 
   command.LowerAverage = LowerAverage; 
   command.Average = Average; 
   command.UpperAverage = UpperAverage; 
   command.Type = LightControlCommandType.Yuv; 
   // change the lightness of the image. 
   command.Run(image); 
   codecs.Save(image, LeadtoolsExamples.Common.ImagesPath.Path + "Result.jpg", RasterImageFormat.Jpeg, 24); 
 
   RasterCodecs.Shutdown(); 
}

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