CircularRoiMaker (ImageJ API)

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java.lang.Object
- ij.plugin.CircularRoiMaker

All Implemented Interfaces:

DialogListener, PlugIn
```
public class CircularRoiMaker
extends Object
implements PlugIn, DialogListener
```
This class implements the Process/FFT/Make Circular Selection command.

Constructor Summary

Constructors
Constructor Description

CircularRoiMaker()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`dialogItemChanged(GenericDialog gd, AWTEvent e)`	This method is invoked by a Generic Dialog if any of the inputs have changed (CANCEL does not trigger it; OK and running the dialog from a macro only trigger the first DialogListener added to a GenericDialog).
`void`	`run(String arg)`	This method is called when the plugin is loaded.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - CircularRoiMaker
```
public CircularRoiMaker()
```
- Method Detail
  - run
```
public void run(String arg)
```
    Description copied from interface: PlugIn
    
    This method is called when the plugin is loaded. 'arg', which may be blank, is the argument specified for this plugin in IJ_Props.txt.
    
    Specified by:
    
    run in interface PlugIn
  - dialogItemChanged
```
public boolean dialogItemChanged(GenericDialog gd,
                                 AWTEvent e)
```
    Description copied from interface: DialogListener
    
    This method is invoked by a Generic Dialog if any of the inputs have changed (CANCEL does not trigger it; OK and running the dialog from a macro only trigger the first DialogListener added to a GenericDialog).
    
    Specified by:
    
    dialogItemChanged in interface DialogListener
    
    Parameters:
    
    gd - A reference to the GenericDialog.
    
    e - The event that has been generated by the user action in the dialog. Note that e is null if the dialogItemChanged method is called after the user has pressed the OK button or if the GenericDialog has read its parameters from a macro.
    
    Returns:
    
    Should be true if the dialog input is valid. False disables the OK button and preview (if any).

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