LEADTOOLS Image Processing (Leadtools.ImageProcessing.Color assembly)

MathematicalFunctionCommand Class

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Example 







Members 
Re-maps the image colors according to a mathematical function such as: square, logarithm, square root, sine and cosine.
Object Model
Syntax
'Declaration
 
Public Class MathematicalFunctionCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand 
'Usage
 
Dim instance As MathematicalFunctionCommand
public sealed class MathematicalFunctionCommand : Leadtools.ImageProcessing.IRasterCommand  
@interface LTMathematicalFunctionCommand : LTRasterCommand
public class MathematicalFunctionCommand extends RasterCommand
function Leadtools.ImageProcessing.Color.MathematicalFunctionCommand()
public ref class MathematicalFunctionCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand  
Remarks
For more information, refer to Changing Brightness and Contrast.
Example
Copy Code  
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Color

Public Sub MathematicalFunctionCommandExample()
   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 MathematicalFunctionCommand = New MathematicalFunctionCommand
   command.Type = MathematicalFunctionCommandType.Square
   command.Factor = 50
   'Apply Square Function to this image.
   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 MathematicalFunctionCommandExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;

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

   // Prepare the command
   MathematicalFunctionCommand command = new MathematicalFunctionCommand();
   command.Type   = MathematicalFunctionCommandType.Square;
   command.Factor = 50;
   //Apply Square Function to this image.
   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 MathematicalFunctionCommandExample()
{
   // 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
   MathematicalFunctionCommand command = new MathematicalFunctionCommand();
   command.Type   = MathematicalFunctionCommandType.Square;
   command.Factor = 50;
   //Apply Square Function to this image.
   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 MathematicalFunctionCommandExample(RasterImage image, Stream outStream)
{
   // Prepare the command
   MathematicalFunctionCommand command = new MathematicalFunctionCommand();
   command.Type   = MathematicalFunctionCommandType.Square;
   command.Factor = 50;
   //Apply Square Function to this image.
   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 MathematicalFunctionCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
   ' Prepare the command
   Dim command As MathematicalFunctionCommand = New MathematicalFunctionCommand()
   command.Type = MathematicalFunctionCommandType.Square
   command.Factor = 50
   'Apply Square Function to this image.
   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

MathematicalFunctionCommand Members
Leadtools.ImageProcessing.Color Namespace
Changing Brightness and Contrast
AddCommand Class
Leadtools.ImageProcessing.Effects.CombineCommand
Leadtools.ImageProcessing.SpecialEffects.ShadowCommand
ChangeHueSaturationIntensityCommand Class
ColorReplaceCommand Class
ColorThresholdCommand Class
Leadtools.ImageProcessing.Core.DiscreteFourierTransformCommand
Leadtools.ImageProcessing.Core.FastFourierTransformCommand
Leadtools.ImageProcessing.Core.FourierTransformDisplayCommand
Leadtools.ImageProcessing.Core.FrequencyFilterCommand
Leadtools.ImageProcessing.Core.FrequencyFilterMaskCommand
Leadtools.ImageProcessing.SpecialEffects.RevEffectCommand
SegmentCommand Class
Leadtools.ImageProcessing.Core.SubtractBackgroundCommand
Leadtools.ImageProcessing.Effects.UserFilterCommand

 

 


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