Method fill

ij/src/main/java/ij/gui/Overlay.java:451–465

Fills all the ROIs in this overlay with 'foreground' after clearing the the image to 'background' if it is not null.

(ImagePlus imp, Color foreground, Color background)

    /** Fills all the ROIs in this overlay with 'foreground' after clearing the
    	the image to 'background' if it is not null. */
    public void fill(ImagePlus imp, Color foreground, Color background) {
    	ImageProcessor ip = imp.getProcessor();
		if (background!=null) {
			ip.resetRoi();
			ip.setColor(background);
			ip.fillRect(0,0,ip.getWidth(),ip.getHeight());
		}
		if (foreground!=null) {
			ip.setColor(foreground);
			for (int i=0; i<size(); i++)
				ip.fill(get(i));
			ip.resetRoi();
		}
		imp.updateAndDraw();
    }

    void setVector(Vector<Roi> v) {list = v;}