ResizeCommand Class

Summary

Resizes the image from an existing image, and puts the resized image into a destination image, leaving the original image intact.

Syntax

Objective-C

C++/CLI

Java

Python

public class ResizeCommand : RasterCommand

@interface LTResizeCommand : LTRasterCommand

public class ResizeCommand extends RasterCommand

public ref class ResizeCommand : public RasterCommand

class ResizeCommand(RasterCommand):

Remarks

The ResizeCommand command works by resizing the image data passed to the 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 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.

Example

This example will load an image and then resize it into an existing, smaller image.

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
 
 
public void ResizeCommandExample() 
{ 
	RasterCodecs codecs = new RasterCodecs(); 
 
	string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"); 
	string destFileName = Path.Combine(LEAD_VARS.ImagesDir, "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(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}

Requirements

Target Platforms

Reference

ResizeCommand Members

Leadtools.ImageProcessing Namespace

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Help Version 22.0.2023.5.16

Leadtools Assembly

Introduction

Getting Started

Namespaces

Leadtools Namespace

Leadtools.ImageProcessing Namespace

Assemblies