Method translate

ij/src/main/java/ij/plugin/Selection.java:1097–1128

(ImagePlus imp)

	}
	
	private void translate(ImagePlus imp) {
		if (!imp.okToDeleteRoi())
			return;
		Roi roi = imp.getRoi();
		String options = Macro.getOptions();
		if (options!=null && options.contains("interpolation=")) {
			IJ.run("Translate...", options); // run Image>Transform>Translate
			return;
		}
		if (roi==null) {
			noRoi("Translate");
			return;
		}
		double dx = translateX;
		double dy = translateY;
		GenericDialog gd = new GenericDialog("Translate");
		gd.addNumericField("X offset (pixels): ", dx, 0);
		gd.addNumericField("Y offset (pixels): ", dy, 0);
		gd.showDialog();
		if (gd.wasCanceled())
			return;
		dx = gd.getNextNumber();
		dy = gd.getNextNumber();
		Rectangle2D r = roi.getFloatBounds();
		roi.setLocation(r.getX()+dx, r.getY()+dy);
		if (imp!=null)
			imp.draw();
		if (options==null) {
			translateX = dx;
			translateY = dy;
		}
	}
	
	void noRoi(String command) {
		IJ.error(command, "This command requires a selection");