Leadtools.ImageProcessing.Color Send comments on this topic. | Back to Introduction - All Topics | Help Version 15.12.10
ChangeContrastCommand Constructor(Int32)
See Also  Example




contrast
Amount of contrast change. Valid values are -1000 to +1000.
Initializes a new ChangeContrastCommand class object with explicit parameters.

Syntax

Visual Basic (Declaration) 
Public Function New( _
   ByVal contrast As Integer _
)
Visual Basic (Usage)Copy Code
Dim contrast As Integer
 
Dim instance As ChangeContrastCommand(contrast)
C# 
public ChangeContrastCommand( 
   int contrast
)
Managed Extensions for C++ 
public: ChangeContrastCommand( 
   int contrast
)
C++/CLI 
public:
ChangeContrastCommand( 
   int contrast
)

Parameters

contrast
Amount of contrast change. Valid values are -1000 to +1000.

Example

Visual BasicCopy Code
ImageProcessing.Color.ChangeContrastCommand.ChangeContrastConstructor
   Public Sub ChangeContrastConstructorExample()
      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 command As ChangeContrastCommand = New ChangeContrastCommand(250)
      'Increase the contrast by 25 percent of the possible range.
      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.Color.ChangeContrastCommand.ChangeContrastConstructor 
      public void ChangeContrastConstructorExample() 
      { 
         // 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 
         ChangeContrastCommand command = new ChangeContrastCommand(250); 
 
         // Increase the contrast  by 25 percent  of the possible range. 
         command.Run(image); 
         codecs.Save(image, @"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\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