package ij.plugin;

/** Plugins that acquire images or display windows should
    implement this interface. Plugins that process images 
    should implement the PlugInFilter interface. */
public 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. */ 
    public void run(String arg);