Re: Demo plugin Image_Inverter.java

Posted by David Hovis on
URL: http://imagej.273.s1.nabble.com/Demo-plugin-Image-Inverter-java-tp3691942p3691943.html

I believe you need to change:
       
        return DOES_ALL+DOES_STACKS+SUPPORTS_MASKING;

to
        return DOES_ALL+SUPPORTS_MASKING;

--David

On Jul 1, 2009, at 9:52 PM, Rudolf Oldenbourg wrote:

> What change is needed in the Demo plugin Image_Inverter.java to make  
> it invert only the values in a single slice of a stack?
> Currently, it is called repeatedly to process all the slices in a  
> stack. But I want it to invert the values inside a ROI of only one  
> slice in a stack.
> Thanks for any help,
> Rudolf
>
> plugin Image_Inverter.java:
>
> import ij.*;
> import ij.plugin.filter.PlugInFilter;
> import ij.process.*;
> import java.awt.*;
>
> /** This sample ImageJ plugin filter inverts images.
>
> A few things to note:
> 1) Filter plugins must implement the PlugInFilter interface.
> 2) User plugins do not use the package statement;
> 3) Plugins residing in the "plugins" folder, and with at
> least one underscore in their name, are automatically
> installed in the PlugIns menu.
> 4) Plugins can be installed in other menus by
> packaging them as JAR files.
> 5) The class name ("Image_Inverter") and file name
> ("Image_Inverter.java") must be the same.
> 6) This filter works with selections, including non-rectangular  
> selections.
> 7) It will be called repeatedly to process all the slices in a stack.
> 8) It supports Undo for single images.
> 9) "~" is the bitwise complement operator.
> */
>
> public class Image_Inverter implements PlugInFilter {
>
> public int setup(String arg, ImagePlus imp) {
> if (IJ.versionLessThan("1.37j"))
> return DONE;
> else
> return DOES_ALL+DOES_STACKS+SUPPORTS_MASKING;
> }
>
> public void run(ImageProcessor ip) {
> Rectangle r = ip.getRoi();
> for (int y=r.y; y<(r.y+r.height); y++)
> for (int x=r.x; x<(r.x+r.width); x++)
> ip.set(x, y, ~ip.get(x,y));
> }
>
> }
>
>
> CONFIDENTIALITY NOTICE: This email message is intended only for
> the addressee(s) and contains confidential and privileged
> material for the sole use of the intended recipient(s). Any
> review, use, distribution or disclosure by others is strictly
> prohibited. If you have received this communication in error,
> please notify the sender immediately by email and delete the
> message and any file attachments from your computer.