ResizeRegionCommand Class

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public class ResizeRegionCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

'Declaration
 
Public Class ResizeRegionCommand 
   Inherits Leadtools.ImageProcessing.RasterCommand
   Implements Leadtools.ImageProcessing.IRasterCommand

'Usage
 
Dim instance As ResizeRegionCommand

public sealed class ResizeRegionCommand : Leadtools.ImageProcessing.IRasterCommand

function Leadtools.ImageProcessing.Effects.ResizeRegionCommand()

public ref class ResizeRegionCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand

This command keeps the same image and resizes the image region that it references.
This command 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 color images is available only in the Document/Medical toolkits.
This command supports 32-bit grayscale images.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Public Sub ResizeRegionCommandExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"))

   ' Prepare the command
   Dim command As ResizeRegionCommand = New ResizeRegionCommand
   Dim rRgnRect As LeadRect = New LeadRect(20, 20, 100, 100)   'Rectangle that defines the region .
   'Create an elliptical region.
   leadImage.AddEllipseToRegion(Nothing, rRgnRect, RasterRegionCombineMode.Set)
   command.AsFrame = False
   'Contract the image region by 20 pixels.
   command.Dimension = 20
   command.Type = ResizeRegionCommandType.ContractRegion
   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

public void ResizeRegionCommandExample()
   {
      // Load an image
      RasterCodecs codecs = new RasterCodecs();
      codecs.ThrowExceptionsOnInvalidImages = true;

      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"));

      // Prepare the command
      ResizeRegionCommand command = new ResizeRegionCommand();
      LeadRect rRgnRect = new LeadRect(80, 20, 100, 40);  //Rectangle that defines the region .
      //Create an elliptical region.
      image.AddEllipseToRegion(null, rRgnRect, Leadtools.RasterRegionCombineMode.Set);
      command.AsFrame = false;
      //Contract the image region by 20 pixels.
      command.Dimension = 20;
      command.Type = ResizeRegionCommandType.ContractRegion;
      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";
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

ResizeRegionCommand Members
Leadtools.ImageProcessing.Effects Namespace
Leadtools.ImageProcessing.ResizeCommand