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ColoredPencilCommand Class

Summary

Applies an effect to an image that makes it look like it has been drawn with colored pencils. This method is available in the Imaging Pro and above toolkits.

Syntax

C#
VB
WinRT C#
C++
public class ColoredPencilCommand : RasterCommand 
public sealed class ColoredPencilCommand : Leadtools.Imageprocessing.Leadtools.ImageProcessing.IRasterCommand   
function Leadtools.ImageProcessing.SpecialEffects.ColoredPencilCommand() 

Remarks
  • This method applies an effect to an image that makes it look like it has been drawn with colored pencils.
  • As an example, if you use the following figure: If you call the ColoredPencilCommand using the following values:
Parameter Value
Ratio 90
Dimension 3
The following figure results:
  • This method supports 12-bit and 16-bit grayscale and 48-bit and 64-bit color images. Support for 12-bit and 16-bit grayscale and 48 and 64 bit Effects images is available only in the Document/Medical toolkits.
  • This method does not support signed data images.
  • This command does not support 32-bit grayscale images.

For more information, refer to Removing Noise.

Example

Run the ColoredPencilCommand on an image and applies the Colored Pencil filter.

C#
VB
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.SpecialEffects; 
 
public void ColoredPencilCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\NaturalFruits.jpg")); 
 
   // Prepare the command 
   ColoredPencilCommand command = new ColoredPencilCommand(); 
   command.Ratio = 50; 
   command.Dimension = 3; 
   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"; 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.SpecialEffects 
      Leadtools.Examples.Support.SetLicense() 
 
Public Sub ColoredPencilCommandExample() 
   Dim codecs As New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\NaturalFruits.jpg")) 
 
   ' Prepare the command 
   Dim command As ColoredPencilCommand = New ColoredPencilCommand 
   command.Ratio = 50 
   command.Dimension = 3 
   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 

Requirements

Target Platforms

Help Version 19.0.2017.10.18
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Leadtools.ImageProcessing.SpecialEffects Assembly