gcc/libjava/java/awt/Transparency.java

/* Transparency.java -- common transparency modes in graphics
   Copyright (C) 2000, 2002 Free Software Foundation

This file is part of GNU Classpath.

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package java.awt;

/**
 * A common transparency mode for layering graphics.
 *
 * @author Warren Levy <warrenl@cygnus.com>
 * @since 1.1
 * @status updated to 1.4
 */
public interface Transparency
{
  /** Image data which is completely opaque, for an alpha value of 1.0. */
  int OPAQUE = 1;

  /**
   * Image data which is either completely opaque or transparent, for an
   * exact integer alpha value.
   */
  int BITMASK = 2;

  /** Image data which is translucent, for a non-integer alpha value. */
  int TRANSLUCENT = 3;

  /**
   * Return the transparency type.
   *
   * @return One of {@see #OPAQUE}, {@see #BITMASK}, or {@see #TRANSLUCENT}.
   */
  int getTransparency();
} // interface Transparency