package com.jotuntech.sketcher.common;

import java.awt.Graphics2D;
import java.awt.image.ImageObserver;

/** Generic interface for layers.
 * @author Thor Harald Johansen
 *
 */
public interface Layer {
	public void setName(String name);
	public String getName();
	public int getType();
	public void draw(Graphics2D g);
	public UndoData copyTo(Layer destination, ImageObserver obs, boolean move, float x, float y, float dx, float dy, float width, float height); 
	public UndoData merge(Layer fromLayer);
	public void undo(UndoData undoData);
	public void setAlphaRule(int alphaComposite);
	public int getAlphaRule();
	public void setOpacity(float opacity);
	public float getOpacity();
	public Layer copy();
	public void clear();
	public Input line(Input start, Input end, int color, Brush brush, Layer originalLayer);
	public int getColor(Input position);
	public void addImageObserver(ImageObserver observer);
	public ImageObserver getImageObserver();
	public void clean();
	public boolean isEmpty();
	public void reset();
	public void decode(byte[] data);
	public byte[] encode();

}