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package ij.plugin;
import ij.*;
import ij.process.*;
import ij.gui.*;
import ij.util.Tools;
import ij.plugin.filter.Analyzer;
import java.awt.*;
import java.util.Vector;
/** This plugin implements the Image/Overlay/Labels command. */
public class OverlayLabels implements PlugIn, DialogListener {
private static final String[] fontSizes = {"7", "8", "9", "10", "12", "14", "18", "24", "28", "36", "48", "72"};
private static Overlay defaultOverlay = new Overlay();
private ImagePlus imp;
private Overlay overlay;
private GenericDialog gd;
private boolean showLabels;
private boolean showNames;
private boolean drawBackgrounds;
private String colorName;
private int fontSize;
private boolean bold;
public void run(String arg) {
imp = WindowManager.getCurrentImage();
overlay = null;
if (imp!=null) {
ImageCanvas ic = imp.getCanvas();
if (ic!=null)
overlay = ic.getShowAllList();
if (overlay==null)
overlay = imp.getOverlay();
}
if (overlay==null)
overlay = defaultOverlay;
showDialog();
if (!gd.wasCanceled()) {
defaultOverlay.drawLabels(overlay.getDrawLabels());
defaultOverlay.drawNames(overlay.getDrawNames());
defaultOverlay.drawBackgrounds(overlay.getDrawBackgrounds());
defaultOverlay.setLabelColor(overlay.getLabelColor());
defaultOverlay.setLabelFont(overlay.getLabelFont());
}
}
public void showDialog() {
showLabels = overlay.getDrawLabels();
showNames = overlay.getDrawNames();
drawBackgrounds = overlay.getDrawBackgrounds();
colorName = Colors.getColorName(overlay.getLabelColor(), "white");
fontSize = 12;
Font font = overlay.getLabelFont();
if (font!=null) {
fontSize = font.getSize();
bold = font.getStyle()==Font.BOLD;
}
gd = new GenericDialog("Labels");
gd.addChoice("Color:", Colors.colors, colorName);
gd.addChoice("Font size:", fontSizes, ""+fontSize);
gd.addCheckbox("Show labels", showLabels);
gd.addCheckbox("Use names as labels", showNames);
gd.addCheckbox("Draw backgrounds", drawBackgrounds);
gd.addCheckbox("Bold", bold);
gd.addDialogListener(this);
gd.showDialog();
}
public boolean dialogItemChanged(GenericDialog gd, AWTEvent e) {
if (gd.wasCanceled()) return false;
String colorName2 = colorName;
boolean showLabels2 = showLabels;
boolean showNames2 = showNames;
boolean drawBackgrounds2 = drawBackgrounds;
boolean bold2 = bold;
int fontSize2 = fontSize;
colorName = gd.getNextChoice();
fontSize = (int)Tools.parseDouble(gd.getNextChoice(), 12);
showLabels = gd.getNextBoolean();
showNames = gd.getNextBoolean();
drawBackgrounds = gd.getNextBoolean();
bold = gd.getNextBoolean();
boolean colorChanged = !colorName.equals(colorName2);
boolean sizeChanged = fontSize!=fontSize2;
boolean changes = showLabels!=showLabels2 || showNames!=showNames2
|| drawBackgrounds!=drawBackgrounds2 || colorChanged || sizeChanged
|| bold!=bold2;
if (changes) {
if ((showNames&&!showNames2) || colorChanged || sizeChanged) {
showLabels = true;
Vector checkboxes = gd.getCheckboxes();
((Checkbox)checkboxes.elementAt(0)).setState(true);
}
overlay.drawLabels(showLabels);
Analyzer.drawLabels(showLabels);
overlay.drawNames(showNames);
overlay.drawBackgrounds(drawBackgrounds);
Color color = Colors.getColor(colorName, Color.white);
overlay.setLabelColor(color);
if (sizeChanged || bold || bold!=bold2)
overlay.setLabelFont(new Font("SansSerif", bold?Font.BOLD:Font.PLAIN, fontSize));
if (imp!=null) {
Overlay o = imp.getOverlay();
if (o==null) {
ImageCanvas ic = imp.getCanvas();
if (ic!=null)
o = ic.getShowAllList();
}
if (o!=null)
imp.draw();
}
}
return true;
}
/** Creates an empty Overlay that has the current label settings. */
public static Overlay createOverlay() {
return defaultOverlay.duplicate();
}
}
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