void addSelection() {
ImagePlus imp = IJ.getImage();
String macroOptions = Macro.getOptions();
if (macroOptions != null && IJ.macroRunning() && macroOptions.indexOf("remove") != -1) {
imp.setOverlay(null);
return;
}
Roi roi = imp.getRoi();
if (roi == null && imp.getOverlay() != null) {
GenericDialog gd = new GenericDialog("No Selection");
gd.addMessage("\"Overlay>Add\" requires a selection.");
gd.setInsets(15, 40, 0);
gd.addCheckbox("Remove existing overlay", false);
gd.showDialog();
if (gd.wasCanceled()) return;
if (gd.getNextBoolean()) imp.setOverlay(null);
return;
}
if (roi == null) {
IJ.error("This command requires a selection.");
return;
}
roi = (Roi) roi.clone();
if (roi.getStrokeColor() == null) roi.setStrokeColor(Toolbar.getForegroundColor());
int width = Line.getWidth();
Rectangle bounds = roi.getBounds();
boolean tooWide = width > Math.max(bounds.width, bounds.height) / 3.0;
if (roi.getStroke() == null && width > 1 && !tooWide) roi.setStrokeWidth(Line.getWidth());
Overlay overlay = imp.getOverlay();
if (overlay != null && overlay.size() > 0 && !roi.isDrawingTool()) {
Roi roi2 = overlay.get(overlay.size() - 1);
if (roi.getStroke() == null) roi.setStrokeWidth(roi2.getStrokeWidth());
if (roi.getFillColor() == null) roi.setFillColor(roi2.getFillColor());
}
boolean points = roi instanceof PointRoi && ((PolygonRoi) roi).getNCoordinates() > 1;
if (points) roi.setStrokeColor(Color.red);
if (!IJ.altKeyDown() && !(roi instanceof Arrow)) {
RoiProperties rp = new RoiProperties("Add to Overlay", roi);
if (!rp.showDialog()) return;
}
String name = roi.getName();
boolean newOverlay = name != null && name.equals("new-overlay");
if (overlay == null || newOverlay) overlay = new Overlay();
overlay.add(roi);
imp.setOverlay(overlay);
overlay2 = overlay;
if (points || (roi instanceof ImageRoi) || (roi instanceof Arrow)) imp.killRoi();
Undo.setup(Undo.OVERLAY_ADDITION, imp);
}
private void drawRoi(Roi roi, Graphics g) {
if (roi == currentRoi) {
Color lineColor = roi.getStrokeColor();
Color fillColor = roi.getFillColor();
float lineWidth = roi.getStrokeWidth();
roi.setStrokeColor(null);
roi.setFillColor(null);
boolean strokeSet = roi.getStroke() != null;
if (strokeSet) roi.setStrokeWidth(1);
roi.draw(g);
roi.setStrokeColor(lineColor);
if (strokeSet) roi.setStrokeWidth(lineWidth);
roi.setFillColor(fillColor);
currentRoi = null;
} else roi.draw(g);
}