LEADTOOLS Image Processing (Leadtools.ImageProcessing.Color assembly)

ConvertToColoredGrayCommand Class

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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.
Object Model
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  
@interface LTConvertToColoredGrayCommand : LTRasterCommand
public class ConvertToColoredGrayCommand extends RasterCommand
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
Copy Code  
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Color

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
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;

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";
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;

      
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);
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;
using Leadtools.Examples;

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();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Color

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

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

 

 


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