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ColoredPencilExtendedCommand Class

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.
public class ColoredPencilExtendedCommand : RasterCommand 
Public Class ColoredPencilExtendedCommand  
   Inherits RasterCommand 
public ref class ColoredPencilExtendedCommand : public RasterCommand   
  • 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.
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; 
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Result - ColoredPencilExtendedCommandCS.jpg"), RasterImageFormat.Jpeg, 24); 
static class LEAD_VARS 
   public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images"; 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.SpecialEffects 
' Run the ColoredPencilExtendedCommand on an image and applies the Colored Pencil Extended filter. 
Public Sub ColoredPencilExtendedCommandExample() 
   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 ColoredPencilExtendedCommand = New ColoredPencilExtendedCommand 
   command.Size = 5 
   command.Strength = 4 
   command.Threshold = 0 
   command.PencilRoughness = 250 
   command.StrokeLength = 15 
   command.PaperRoughness = 100 
   command.Flags = ColoredPencilExtendedCommandFlags.Artistic 
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\Result - ColoredPencilExtendedCommandVB.jpg"), RasterImageFormat.Jpeg, 24) 
End Sub 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images" 
End Class 

Target Platforms

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Leadtools.ImageProcessing.SpecialEffects Assembly