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++/CLI

Python

public class ColoredPencilCommand : RasterCommand

public ref class ColoredPencilCommand : public RasterCommand

class ColoredPencilCommand(RasterCommand):

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.

Colored Pencil Function - Before

Colored Pencil Function - After

View additional platform support for this Colored Pencil function.

Example

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

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:\LEADTOOLS22\Resources\Images"; 
}