ColoredPencilExtendedCommand Class

Summary

Applies an effect to a bitmap 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 ColoredPencilExtendedCommand : RasterCommand

public ref class ColoredPencilExtendedCommand : public RasterCommand

class ColoredPencilExtendedCommand(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 ColoredPencilExtendedCommand using the following values:

Parameter	Value
Size	5
Strength	4
Threshold	0
PencilRoughness	250
StrokeLength	15
PaperRoughness	100
Angle	0
Flags	ColoredPencilExtendedCommandFlags.Artistic

The following figure results:

This method supports 12-bit and 16-bit grayscale and 48 and 64-bit color images. Support for 12-bit and 16-bit grayscale and 48-bit 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.

Advanced Colored Pencil Function - Before

Advanced Colored Pencil Function - After

View additional platform support for this Advanced Colored Pencil function.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.SpecialEffects; 
 
 
// Run the ColoredPencilExtendedCommand on an image and applies the Colored Pencil Extended filter. 
public void ColoredPencilExtendedCommandExample() 
{ 
   // 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 
   ColoredPencilExtendedCommand command = new ColoredPencilExtendedCommand(); 
   command.Size = 5; 
   command.Strength = 4; 
   command.Threshold = 0; 
   command.PencilRoughness = 250; 
   command.StrokeLength = 15; 
   command.PaperRoughness = 100; 
   command.Flags = ColoredPencilExtendedCommandFlags.Artistic; 
   command.Run(image); 
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Result - ColoredPencilExtendedCommandCS.jpg"), RasterImageFormat.Jpeg, 24); 
 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}

Requirements

Target Platforms

Reference

ColoredPencilExtendedCommand Members

Leadtools.ImageProcessing.SpecialEffects Namespace

Removing Noise

Applying Artistic Effects

ImpressionistCommand Class

DryCommand Class

ColoredPencilCommand Class

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Help Version 22.0.2023.3.31