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package ij.plugin;
import ij.*;
import ij.io.*;
import ij.gui.*;
import ij.process.*;
import java.io.*;
import java.awt.*;
/** Opens ImageJ, NIH Image and Scion Image for windows ROI outlines.
RoiDecoder.java has a description of the file format.
@see ij.io.RoiDecoder
@see ij.plugin.filter.RoiWriter
*/
public class RoiReader implements PlugIn {
final int polygon=0, rect=1, oval=2, line=3,freeLine=4, segLine=5, noRoi=6,freehand=7, traced=8;
public void run(String arg) {
OpenDialog od = new OpenDialog("Open ROI...", arg);
String dir = od.getDirectory();
String name = od.getFileName();
if (name==null)
return;
try {
openRoi(dir, name);
} catch (IOException e) {
String msg = e.getMessage();
if (msg==null || msg.equals(""))
msg = ""+e;
IJ.error("ROI Reader", msg);
}
}
public void openRoi(String dir, String name) throws IOException {
String path = dir+name;
RoiDecoder rd = new RoiDecoder(path);
Roi roi = rd.getRoi();
Rectangle r = roi.getBounds();
ImagePlus img = WindowManager.getCurrentImage();
if (img==null || img.getWidth()<(r.x+r.width) || img.getHeight()<(r.y+r.height)) {
ImageProcessor ip = new ByteProcessor(r.x+r.width+10, r.y+r.height+10);
ip.setColor(Color.white);
ip.fill();
img = new ImagePlus(name, ip);
img.show();
}
img.setRoi(roi);
}
}
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