ResizeRegionCommand Class

C#
Visual Basic
WinRT C#
Objective-C
Java
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.

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

Copy Code

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Effects

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

using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Effects;

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

Reference

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