2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these libraries and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
23 /* $XConsortium: PixmapCycler.C /main/3 1996/04/21 19:40:27 drk $ */
27 * RESTRICTED CONFIDENTIAL INFORMATION:
29 * The information in this document is subject to special
30 * restrictions in a confidential disclosure agreement bertween
31 * HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
32 * document outside HP, IBM, Sun, USL, SCO, or Univel wihtout
33 * Sun's specific written approval. This documment and all copies
34 * and derivative works thereof must be returned or destroyed at
37 * Copyright 1993 Sun Microsystems, Inc. All rights reserved.
42 ///////////////////////////////////////////////////////////////////////////////
43 //////////////////////////////////////////////////////////////////////////////
44 // This example code is from the book:
46 // Object-Oriented Programming with C++ and OSF/Motif
49 // Prentice Hall, 1992
52 // Copyright 1991 by Prentice Hall
53 // All Rights Reserved
55 // Permission to use, copy, modify, and distribute this software for
56 // any purpose except publication and without fee is hereby granted, provided
57 // that the above copyright notice appear in all copies of the software.
58 ///////////////////////////////////////////////////////////////////////////////
59 //////////////////////////////////////////////////////////////////////////////
62 //////////////////////////////////////////////////////////////////
63 // PixmapCycler.C: Abstract class that supports a continuous cycle
64 // of pixmaps for short animation sequences.
65 ////////////////////////////////////////////////////////////////////
66 #include "PixmapCycler.h"
70 PixmapCycler::PixmapCycler ( int numPixmaps, Dimension w, Dimension h )
72 _numPixmaps = numPixmaps;
74 _pixmapList = new Pixmap[_numPixmaps];
79 PixmapCycler::~PixmapCycler()
84 Pixmap PixmapCycler::next()
86 // The first time, call the createPixmaps() function
87 // implemented by the derived class to create the pixmaps
89 if ( _current == INVALID )
92 _current = 0; // Initialize to the first pixmap
95 // If the counter is larger than the index of the
96 // last pixmap, roll it over and restart with zero
98 if ( _current >= _numPixmaps )
101 // Return the current pixmap and increment the counter
103 return _pixmapList[_current++];