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ColoredPencilExtendedCommand Class
See Also  Members  
Leadtools.ImageProcessing.SpecialEffects Namespace : 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 Raster Pro and above toolkits.

Object Model

ColoredPencilExtendedCommand Class

Syntax

Visual Basic (Declaration) 
Public Class ColoredPencilExtendedCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements IRasterCommand 
Visual Basic (Usage)Copy Code
Dim instance As ColoredPencilExtendedCommand
C# 
public class ColoredPencilExtendedCommand : Leadtools.ImageProcessing.RasterCommand, IRasterCommand 
C++/CLI 
public ref class ColoredPencilExtendedCommand : public Leadtools.ImageProcessing.RasterCommand, IRasterCommand 

Example

Visual BasicCopy Code
' 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
   command.Run(leadImage)

   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:\Users\Public\Documents\LEADTOOLS Images"
End Class
C#Copy Code
// 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:\Users\Public\Documents\LEADTOOLS Images";
}

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

Inheritance Hierarchy

System.Object
   Leadtools.ImageProcessing.RasterCommand
      Leadtools.ImageProcessing.SpecialEffects.ColoredPencilExtendedCommand

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also