package ie.dcu.segment.painters;


import ie.dcu.segment.SegmentationContext;
import ie.dcu.swt.*;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.ImageData;

/**
 * Shows the current markup (annotations) only
 * 
 * @author Kevin McGuinness
 */
public class MarkupPainter implements SegmentationPainter {
	public static final String NAME = "Markup";


	public String getDescription() {
		return "Shows the current markup (annotations) only";
	}


	public String getName() {
		return NAME;
	}
	
	public ImageData getMaskData(SegmentationContext ctx) {
		return null;
	}

	public void paint(SegmentationContext ctx, ObservableImage im) {

		GC gc = im.beginPaint();

		// Paint white backdrop
		SwtUtils.setBackground(gc, SWT.COLOR_WHITE);
		gc.fillRectangle(im.getBounds());

		// Paint all annotations
		ctx.getAnnotations().paint(im);

		// Commit changes
		im.endPaint();
	}
	
	
	public void dispose() {
		// Nothing needs to be disposed
	}
}