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KeyStoneCommand Constructor(LeadPoint[])

Summary
Initializes a new KeyStoneCommand class object with explicit parameters.
Syntax
C#
Objective-C
C++/CLI
Java
Python
- (instancetype)initWithPolygonPoints:(NSArray<NSValue *> *)polygonPoints /*LeadPoint*/ NS_DESIGNATED_INITIALIZER; 
public KeyStoneCommand( 
   LeadPoint[] polygonPoints 
); 
public: 
KeyStoneCommand(  
   array<LeadPoint>^ polygonPoints 
) 
__init__(self,polygonPoints) # Overloaded constructor 

Parameters

polygonPoints
A reference to an array of LeadPoint structures that contain the four points of the polygon used in the transformation process.

Remarks

If the input array of points that represents the polygon has more than 4 points, an Invalid Parameters Exception will be thrown.

Example
C#
Java
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Core; 
 
public void KeyStoneCommandExample() 
{ 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   //Load an image 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg")); 
 
   LeadPoint[] PolyPoints = new LeadPoint[4]; 
 
   //The four corners of the polygon 
   PolyPoints[0] = new LeadPoint(94, 94); 
   PolyPoints[1] = new LeadPoint(306, 43); 
   PolyPoints[2] = new LeadPoint(318, 237); 
   PolyPoints[3] = new LeadPoint(98, 237); 
 
   //Prepare the command 
   KeyStoneCommand command = new KeyStoneCommand(); 
 
   command.PolygonPoints = PolyPoints; 
   //Apply  
   command.Run(image); 
 
   codecs.Save(command.TransformedImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), image.OriginalFormat, image.BitsPerPixel); 
} 
 
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.Test; 
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.core.*; 
 
 
public void keyStoneCommandExample() { 
    final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
 
    RasterCodecs codecs = new RasterCodecs(); 
    codecs.setThrowExceptionsOnInvalidImages(true); 
 
    // Load an image 
    RasterImage image = codecs.load(combine(LEAD_VARS_IMAGES_DIR, "Master.jpg")); 
    LeadPoint[] polyPoints = new LeadPoint[4]; 
 
    // The four corners of the polygon 
    polyPoints[0] = new LeadPoint(94, 94); 
    polyPoints[1] = new LeadPoint(306, 43); 
    polyPoints[2] = new LeadPoint(318, 237); 
    polyPoints[3] = new LeadPoint(98, 237); 
 
    // Prepare the command 
    KeyStoneCommand command = new KeyStoneCommand(); 
    command.setPolygonPoints(polyPoints); 
 
    // Apply 
    command.run(image); 
    codecs.save(image, combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"), image.getOriginalFormat(), 
            image.getBitsPerPixel()); 
 
    System.out.println("Command run and image saved to: " + combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")); 
    assertTrue(new File(combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")).exists()); 
 
} 
Requirements

Target Platforms

Help Version 23.0.2024.3.3
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.ImageProcessing.Core Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.