libjava/gnu/gcj/xlib/Pixmap.java

   1 /* Copyright (C) 2000  Free Software Foundation
   2
   3    This file is part of libgcj.
   4
   5 This software is copyrighted work licensed under the terms of the
   6 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   7 details.  */
   8
   9 package gnu.gcj.xlib;
  10
  11 /**
  12  * An X11 Pixmap. A pixmap is an offscreen drawable that resides on
  13  * the X server. A pixmap is bound to the screen it was created for.
  14  *
  15  * @author Rolf W. Rasmussen <rolfwr@ii.uib.no>
  16  */
  17 public class Pixmap extends Drawable
  18 {
  19   public Pixmap(XImage image, Screen screen)
  20   {
  21     this(screen.getRootWindow(),
  22          image.getWidth(), image.getHeight(),
  23          image.getDepth());
  24
  25     /* FIXME: don't create a new GC all the time.  This might actually
  26     not be as bad as initially believed.  The GC cache of Xlib makes
  27     this operation less costly. */
  28     GC gc = new GC(this);
  29
  30     gc.putImage(image, 0, 0, 0, 0, image.getWidth(), image.getHeight());
  31   }
  32
  33   public Pixmap(Drawable sameScreenAs, int width, int height, int depth)
  34   {
  35     super(sameScreenAs.getDisplay(),
  36           createXID(sameScreenAs, width, height, depth));
  37   }
  38
  39   protected static native int createXID(Drawable sameScreenAs,
  40                                         int width, int height, int depth);
  41
  42   protected native void finalize();
  43 }