transparency.java

来自「Hecl编程语言是一个高层次的脚本语言的Java实现。其用意是要小」· Java 代码 · 共 46 行

/*
 * Copyright (C) 2005, 2006 data2c GmbH (www.data2c.com)
 *
 * Author: Wolfgang S. Kechel - [e-mail]
 * 
 * J2ME version of java.awt.geom.Rectangle2D.
 */

//#ifndef j2se
package org.awt;

/**
 * The <code>Transparency</code> interface defines the common transparency
 * modes for implementing classes.
 * @version 1.19, 01/23/03
 */
public interface Transparency {

    /**
     * Represents image data that is guaranteed to be completely opaque,
     * meaning that all pixels have an alpha value of 1.0.
     */
    public final static int OPAQUE            = 1;

    /**
     * Represents image data that is guaranteed to be either completely
     * opaque, with an alpha value of 1.0, or completely transparent,
     * with an alpha value of 0.0.
     */
    public final static int BITMASK = 2;

    /**
     * Represents image data that contains or might contain arbitrary
     * alpha values between and including 0.0 and 1.0.
     */
    public final static int TRANSLUCENT        = 3;

    /**
     * Returns the type of this <code>Transparency</code>.
     * @return the field type of this <code>Transparency</code>, which is
     *		either OPAQUE, BITMASK or TRANSLUCENT. 
     */
    public int getTransparency();
}
//#endif