InvertedPageCommand Constructor()

Summary

Initializes a new instance of the InvertedPageCommand class object with default parameters.

Syntax

Objective-C

C++/CLI

Java

Python

public InvertedPageCommand()

- (instancetype)init

public InvertedPageCommand();

public: 
InvertedPageCommand();

__init__() # Default constructor

Remarks

The new InvertedPageCommand constructed will have Flags set to InvertedPageCommandFlags.Process.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
using Leadtools.ImageProcessing.Color; 
 
public void InvertedPageCommandExample() 
{ 
   RasterCodecs codecs = new RasterCodecs(); 
 
   // Get an image 
   string tifFileName = Path.Combine(LEAD_VARS.ImagesDir, "ocr1.tif"); 
   string invertedImageFileName = Path.Combine(LEAD_VARS.ImagesDir, "ocr1_Inverted.tif"); 
   string nonInvertedImageFileName = Path.Combine(LEAD_VARS.ImagesDir, "ocr1_NonInverted.tif"); 
 
   RasterImage image = codecs.Load(tifFileName); 
 
   // The images should be non-inverted at the beginning, check 
   InvertedPageCommand invertedPage = new InvertedPageCommand(InvertedPageCommandFlags.NoProcess); 
   invertedPage.Run(image); 
   Console.WriteLine("Original image, inverted = {0}", invertedPage.IsInverted); 
 
   // Invert the image 
   InvertCommand invert = new InvertCommand(); 
   invert.Run(image); 
 
   codecs.Save(image, invertedImageFileName, image.OriginalFormat, image.BitsPerPixel); 
 
   // Check again 
   invertedPage.Run(image); 
   Console.WriteLine("After running InvertCommand, inverted = {0}", invertedPage.IsInverted); 
 
   // Now run the command to un-invert the image 
   invertedPage.Flags = InvertedPageCommandFlags.Process; 
   invertedPage.Run(image); 
 
   // Now check the image again 
   invertedPage.Flags = InvertedPageCommandFlags.NoProcess; 
   invertedPage.Run(image); 
   Console.WriteLine("After running InvertedPageCommand, inverted = {0}", invertedPage.IsInverted); 
   codecs.Save(image, nonInvertedImageFileName, image.OriginalFormat, image.BitsPerPixel); 
 
   image.Dispose(); 
 
   codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

 
import java.io.File; 
import java.io.IOException; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.codecs.*; 
import leadtools.imageprocessing.color.InvertCommand; 
import leadtools.imageprocessing.core.*; 
 
 
public void invertedPageCommandExample() { 
    final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
 
    // Get an image 
    RasterCodecs codecs = new RasterCodecs(); 
    String tifFileName = combine(LEAD_VARS_IMAGES_DIR, "ocr1.tif"); 
    String invertedImageFileName = combine(LEAD_VARS_IMAGES_DIR, "ocr1_Inverted.tif"); 
    String nonInvertedImageFileName = combine(LEAD_VARS_IMAGES_DIR, "ocr1_NonInverted.tif"); 
    RasterImage image = codecs.load(tifFileName); 
 
    // The images should be non=inverted at the beginning, check 
    InvertedPageCommand invertedPage = new InvertedPageCommand(InvertedPageCommandFlags.NO_PROCESS.getValue()); 
    invertedPage.run(image); 
    System.out.println("Original image, inverted = " + invertedPage.isInverted()); 
 
    // Invert the image 
    InvertCommand invert = new InvertCommand(); 
    invert.run(image); 
    codecs.save(image, invertedImageFileName, image.getOriginalFormat(), image.getBitsPerPixel()); 
 
    System.out.println("Command run and image saved to: " + invertedImageFileName); 
    // Check again 
    invertedPage.run(image); 
    System.out.println("After running InvertCommand, inverted = " + invertedPage.isInverted()); 
 
    // Now run the command to un-invert the iamge 
    invertedPage.setFlags(InvertedPageCommandFlags.PROCESS.getValue()); 
    invertedPage.run(image); 
 
    // Now check the image again 
    invertedPage.setFlags(InvertedPageCommandFlags.NO_PROCESS.getValue()); 
    invertedPage.run(image); 
    System.out.println("After running InvertedPageCommand, inverted = " + invertedPage.isInverted()); 
    codecs.save(image, nonInvertedImageFileName, image.getOriginalFormat(), image.getBitsPerPixel()); 
 
    System.out.println("Command run and image saved to: " + nonInvertedImageFileName); 
    assertTrue(new File(nonInvertedImageFileName).exists()); 
 
    image.dispose(); 
    codecs.dispose(); 
 
}

Requirements

Target Platforms

Reference

InvertedPageCommand Class

InvertedPageCommand Members

Overload List

Download our FREE evaluation

Help Version 23.0.2024.3.3

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies