LEADTOOLS Image Processing (Leadtools.ImageProcessing.Color assembly)
LEAD Technologies, Inc

ConvertToColoredGrayCommand Class

Example 





Members 
Converts an image to a grayscale image, then enhances the color components based on the class properties. This class is available in the Document Toolkits. .NET support WinRT support Silverlight support
Object Model
ConvertToColoredGrayCommand Class
Syntax
'Declaration
 
Public Class ConvertToColoredGrayCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As ConvertToColoredGrayCommand
public sealed class ConvertToColoredGrayCommand : Leadtools.ImageProcessing.IRasterCommand  
function Leadtools.ImageProcessing.Color.ConvertToColoredGrayCommand()
public ref class ConvertToColoredGrayCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand  
Remarks
For more information, refer to Introduction to Image Processing With LEADTOOLS.
For more information, refer to Grayscale Images.
Example
 
Public Sub ConvertToColoredGrayCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"))

   ' Prepare the command
   Dim command As ConvertToColoredGrayCommand = New ConvertToColoredGrayCommand
   'These arguments will transform the image into a grayscale image.
   command.RedFactor = 300
   command.GreenFactor = 590
   command.BlueFactor = 110
   command.RedGrayFactor = 500
   command.GreenGrayFactor = 300
   command.BlueGrayFactor = 200
   command.Run(leadImage)
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)

End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
public void ConvertToColoredGrayCommandExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));

      // Prepare the command
      ConvertToColoredGrayCommand command = new ConvertToColoredGrayCommand();
      //These arguments will transform the image into a grayscale image.
      command.RedFactor       = 300; 
      command.GreenFactor     = 590;
      command.BlueFactor      = 110;
      command.RedGrayFactor   = 500;
      command.GreenGrayFactor = 300;
      command.BlueGrayFactor  = 200;
      command.Run(image);
      codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);

   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
[TestMethod]
public async Task ConvertToColoredGrayCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;
   // Load the image
   string srcFileName = @"Assets\Image1.cmp";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Prepare the command
   ConvertToColoredGrayCommand command = new ConvertToColoredGrayCommand();
   //These arguments will transform the image into a grayscale image.
   command.RedFactor       = 300; 
   command.GreenFactor     = 590;
   command.BlueFactor      = 110;
   command.RedGrayFactor   = 500;
   command.GreenGrayFactor = 300;
   command.BlueGrayFactor  = 200;
   command.Run(image);

   string destFileName = @"result.jpg";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Jpeg, 0);
}
public void ConvertToColoredGrayCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   ConvertToColoredGrayCommand command = new ConvertToColoredGrayCommand();
   //These arguments will transform the image into a grayscale image.
   command.RedFactor       = 300; 
   command.GreenFactor     = 590;
   command.BlueFactor      = 110;
   command.RedGrayFactor   = 500;
   command.GreenGrayFactor = 300;
   command.BlueGrayFactor  = 200;
   command.Run(image);
   // Save result image
   RasterCodecs codecs = new RasterCodecs();
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
   image.Dispose();
}
Public Sub ConvertToColoredGrayCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As ConvertToColoredGrayCommand = New ConvertToColoredGrayCommand()
   'These arguments will transform the image into a grayscale image.
   command.RedFactor = 300
   command.GreenFactor = 590
   command.BlueFactor = 110
   command.RedGrayFactor = 500
   command.GreenGrayFactor = 300
   command.BlueGrayFactor = 200
   command.Run(image)
   ' Save result image
   Dim codecs As RasterCodecs = New RasterCodecs()
   codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
   image.Dispose()
End Sub
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

ConvertToColoredGrayCommand Members
Leadtools.ImageProcessing.Color Namespace
Introduction to Image Processing With LEADTOOLS
Grayscale Images
BalanceColorsCommand Class
Leadtools.ImageProcessing.GrayscaleCommand
GrayScaleExtendedCommand Class
Leadtools.RasterImage.IsGray

 

 


Products | Support | Contact Us | Copyright Notices

© 2006-2012 All Rights Reserved. LEAD Technologies, Inc.