/*
 * Copyright 2015-2020 MicroEJ Corp. All rights reserved.
 * This library is provided in source code for use, modification and test, subject to license terms.
 * Any modification of the source code will break MicroEJ Corp. warranties on the whole library.
 */
package ej.mwt.style.background;

import ej.annotation.Nullable;
import ej.microui.display.GraphicsContext;

/**
 * A transparent background.
 */
public final class NoBackground implements Background {

    /**
     * No background singleton to avoid creating several ones.
     */
    public static final NoBackground NO_BACKGROUND = new NoBackground();

    @Override
    public boolean isTransparent(int width, int height) {
        return true;
    }

    @Override
    public void apply(GraphicsContext g, int width, int height) {
        g.removeBackgroundColor();
    }

    @Override
    public boolean equals(@Nullable Object obj) {
        return (obj == this);
    }

    @Override
    public int hashCode() {
        return 733540869;
    }
}