trouble pasting in plugin

Posted by jvander on Mar 08, 2017; 2:22pm
URL: http://imagej.273.s1.nabble.com/trouble-pasting-in-plugin-tp5018241.html

I am having a problem with pasting.  I have a workaround, but I would like to know the underlying issue as it may explain other issues I see from time to time.  In the code below I show that I copy the contents of one image into the clipboard, then (not showing all the code below) I make a larger image and then replicate the smaller image over and over to fill the larger image.

When I use IJ.run("Paste"); it works fine

When I use imp1.paste(); it only copies the last location

Below is the code.  Please advise on the difference in behavior.

(Running ImageJ 1.50g4    Java 1.8.0_60 64 bit  Mac OS 10.10.5)

thanks,

Joe
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        ImagePlus imp = IJ.getImage();
        IJ.run(imp,"Select All", "");
        imp.copy(false);

/* skip a bit brother *//

        for ( k= 0; k <  factor; k++) {
                        for (l = 0; l <  factor; l++) {
                          iXROI = k *  width;
                    iYROI = l *  width;

                                imp1.setRoi (iXROI, iYROI, width,  width);
                                /*IJ.run("Paste");  this works - copies into all locations*/
                                imp1.paste();   /* this only copies into the last location */
                        }
                }

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