ResizeCommand Class

C#
Visual Basic
WinRT C#
Objective-C
Java
WinRT JavaScript
C++

public class ResizeCommand : RasterCommand, IRasterCommand

'Declaration
 
Public Class ResizeCommand 
   Inherits RasterCommand
   Implements IRasterCommand

'Usage
 
Dim instance As ResizeCommand

public sealed class ResizeCommand : IRasterCommand

@interface LTResizeCommand : LTRasterCommand

public class ResizeCommand extends RasterCommand

function Leadtools.ImageProcessing.ResizeCommand()

public ref class ResizeCommand : public RasterCommand, IRasterCommand

The ResizeCommand command works by resizing the image data passed to the RasterCommand.Run method into the image passed to the DestinationImage property.

The destination image must be initialized with the correct RasterImage.Width and RasterImage.Height of the new, resized image.

This command does not change the source image passed to the RasterCommand.Run method. If you want to resize an image without creating a new version, use the SizeCommand.

For more information, refer to Introduction to Image Processing With LEADTOOLS.

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

Copy Code

Imports Leadtools
  Imports Leadtools.Codecs
  Imports Leadtools.ImageProcessing

  Public Sub ResizeCommandExample()
   Dim codecs As RasterCodecs = New RasterCodecs()

   Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")
   Dim destFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "ResizeCommand.bmp")

   ' Load the source image from disk
   Dim srcImage As RasterImage = codecs.Load(srcFileName)

   ' Create the destination image
   Dim destImage As RasterImage = New RasterImage(RasterMemoryFlags.Conventional, 100, 100, srcImage.BitsPerPixel, srcImage.Order, srcImage.ViewPerspective, srcImage.GetPalette(), IntPtr.Zero, 0)

   ' Resize the source image into the destination image
   Dim command As ResizeCommand = New ResizeCommand()
   command.DestinationImage = destImage
   command.Flags = RasterSizeFlags.Bicubic
   command.Run(srcImage)

   ' Save it to disk
   codecs.Save(destImage, destFileName, RasterImageFormat.Bmp, 24)

   ' Clean Up
   srcImage.Dispose()
   destImage.Dispose()
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;

      
public void ResizeCommandExample()
{
   RasterCodecs codecs = new RasterCodecs();
   string srcFileName = Path.Combine(ImagesPath.Path, "Image1.cmp");
   string destFileName = Path.Combine(ImagesPath.Path, "ResizeCommand.bmp");

   // Load the source image from disk
   RasterImage srcImage = codecs.Load(srcFileName);

   // Create the destination image
   RasterImage destImage = new RasterImage(
      RasterMemoryFlags.Conventional,
      100,
      100,
      srcImage.BitsPerPixel,
      srcImage.Order,
      srcImage.ViewPerspective,
      srcImage.GetPalette(),
      IntPtr.Zero,
      0);

   // Resize the source image into the destination image
   ResizeCommand command = new ResizeCommand();
   command.DestinationImage = destImage;
   command.Flags = RasterSizeFlags.Bicubic;
   command.Run(srcImage);

   // Save it to disk
   codecs.Save(destImage, destFileName, RasterImageFormat.Bmp, 24);

   // Clean Up
   srcImage.Dispose();
   destImage.Dispose();
   codecs.Dispose();
}

RasterCommandExamples.prototype.ResizeCommandExample = function () {
    Tools.SetLicense();
    with (Leadtools) {
        with (Leadtools.Codecs) {
            with (Leadtools.ImageProcessing) {
                var codecs = new RasterCodecs();

                var srcFileName = "Assets\\Image1.cmp";
                var destFileName = "ResizeCommand.bmp";
                var srcImage;
                var destImage;
                // Load the source image from disk
                return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) {
                    return codecs.loadAsync(LeadStreamFactory.create(loadFile))
                }).then(function (img) {
                    srcImage = img;

                    // Create the destination image
                    destImage = new RasterImage(
                       RasterMemoryFlags.conventional,
                       100,
                       100,
                       srcImage.bitsPerPixel,
                       srcImage.order,
                       srcImage.viewPerspective,
                       srcImage.getPalette());

                    // Resize the source image into the destination image
                    var command = new ResizeCommand();
                    command.destinationImage = destImage;
                    command.flags = RasterSizeFlags.bicubic;
                    command.run(srcImage);

                    // Save it to disk
                    return Tools.AppLocalFolder().createFileAsync(destFileName)
                })
            .then(function (saveFile) {
                return codecs.saveAsync(destImage, LeadStreamFactory.create(saveFile), RasterImageFormat.bmp, 24)
            })
            .then(function () {

                // Clean Up
                srcImage.close();
                destImage.close();
            });
            }
        }
    }
}

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

      
public async Task ResizeCommandExample()
{
   RasterCodecs codecs = new RasterCodecs();
   string srcFileName = @"Assets\Image1.cmp";
   string destFileName = @"ResizeCommand.bmp";

   // Load the source image from disk
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage srcImage = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Create the destination image
   RasterImage destImage = new RasterImage(
      RasterMemoryFlags.Conventional,
      100,
      100,
      srcImage.BitsPerPixel,
      srcImage.Order,
      srcImage.ViewPerspective,
      srcImage.GetPalette());

   // Resize the source image into the destination image
   ResizeCommand command = new ResizeCommand();
   command.DestinationImage = destImage;
   command.Flags = RasterSizeFlags.Bicubic;
   command.Run(srcImage);

   // Save it to disk
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(destImage, LeadStreamFactory.Create(saveFile), RasterImageFormat.Bmp, 24);

   // Clean Up
   srcImage.Dispose();
   destImage.Dispose();
}

using Leadtools;
using Leadtools.Codecs;
using Leadtools.Examples;
using Leadtools.ImageProcessing;
using Leadtools.Windows.Media;

public void ResizeCommandExample(RasterImage srcImage, Stream destStream)
{
   RasterCodecs codecs = new RasterCodecs();
   // Create the destination image
   RasterImage destImage = new RasterImage(
      RasterMemoryFlags.Conventional,
      100,
      100,
      srcImage.BitsPerPixel,
      srcImage.Order,
      srcImage.ViewPerspective,
      srcImage.GetPalette(),
      null,
      0);

   // Resize the source image into the destination image
   ResizeCommand command = new ResizeCommand();
   command.DestinationImage = destImage;
   command.Flags = RasterSizeFlags.Bicubic;
   command.Run(srcImage);

   // Save it to disk
   codecs.Save(destImage, destStream, RasterImageFormat.Bmp, 24);

   // Clean Up
   srcImage.Dispose();
   destImage.Dispose();
}

Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.Windows.Media

Public Sub ResizeCommandExample(ByVal srcImage As RasterImage, ByVal destStream As Stream)
   Dim codecs As RasterCodecs = New RasterCodecs()
   ' Create the destination image
   Dim destImage As RasterImage = New RasterImage(RasterMemoryFlags.Conventional, 100, 100, srcImage.BitsPerPixel, srcImage.Order, srcImage.ViewPerspective, srcImage.GetPalette(), Nothing, 0)

   ' Resize the source image into the destination image
   Dim command As ResizeCommand = New ResizeCommand()
   command.DestinationImage = destImage
   command.Flags = RasterSizeFlags.Bicubic
   command.Run(srcImage)

   ' Save it to disk
   codecs.Save(destImage, destStream, RasterImageFormat.Bmp, 24)

   ' Clean Up
   srcImage.Dispose()
   destImage.Dispose()
End Sub

Target Platforms

Reference

ResizeCommand Members
Leadtools.ImageProcessing Namespace