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Cobra is the rendering engine designed for LoboBrowser

There is a newer version: 1.0.2

/*
    GNU LESSER GENERAL PUBLIC LICENSE
    Copyright (C) 2006 The Lobo Project

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Contact info: [email protected]
 */
/*
 * Created on Nov 5, 2005
 */
package org.cobraparser.html.renderer;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;

import cz.vutbr.web.css.CSSProperty.VerticalAlign;

abstract interface UIControl {
  public void setRUIControl(RUIControl ruicontrol);

  /**
   * Called as the control is layed out, either the first time HTML layout
   * occurs or when the DOM changes. This method should reset its state assuming
   * the element has changed, and change its preferred size if appropriate.
   */
  public void reset(int availWidth, int availHeight);

  public Dimension getPreferredSize();

  default public VerticalAlign getVAlign() {
    return VerticalAlign.BASELINE;
  }

  public void setBounds(int x, int y, int width, int height);

  public void invalidate();

  public Color getBackgroundColor();

  // public boolean paintSelection(Graphics g, boolean inSelection,
  // RenderableSpot startPoint, RenderableSpot endPoint);
  public void paint(Graphics g);

  public java.awt.Component getComponent();

  default public boolean isReadyToPaint() {
    return true;
  }
}