546N/A * Copyright (c) 1988-91 by Patrick J. Naughton. 546N/A * Permission to use, copy, modify, and distribute this software and its 546N/A * documentation for any purpose and without fee is hereby granted, 546N/A * provided that the above copyright notice appear in all copies and that 546N/A * both that copyright notice and this permission notice appear in 546N/A * supporting documentation. 546N/A * This file is provided AS IS with no warranties of any kind. The author 546N/A * shall have no liability with respect to the infringement of copyrights, 546N/A * trade secrets or any patents by this file or any part thereof. In no 546N/A * event will the author be liable for any lost revenue or profits or 546N/A * other special, indirect and consequential damages. 943N/A * Copyright (c) 1989, 1994, Oracle and/or its affiliates. All rights reserved. 546N/A * Permission is hereby granted, free of charge, to any person obtaining a 919N/A * copy of this software and associated documentation files (the "Software"), 919N/A * to deal in the Software without restriction, including without limitation 919N/A * the rights to use, copy, modify, merge, publish, distribute, sublicense, 919N/A * and/or sell copies of the Software, and to permit persons to whom the 919N/A * Software is furnished to do so, subject to the following conditions: 919N/A * The above copyright notice and this permission notice (including the next 919N/A * paragraph) shall be included in all copies or substantial portions of the 919N/A * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 919N/A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 919N/A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 919N/A * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 919N/A * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 919N/A * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 919N/A * DEALINGS IN THE SOFTWARE. 546N/A * qix.c - Vector swirl for xlock, the X Window System lockscreen. 546N/A * Copyright (c) 1991 by Patrick J. Naughton. 546N/A * 29-Jul-90: support for multiple screens. 546N/A * made check_bounds_?() a macro. 546N/A * fixed initial parameter setup. 546N/A * 15-Dec-89: Fix for proper skipping of {White,Black}Pixel() in colors. 546N/A * 08-Oct-89: Fixed bug in memory allocation in initqix(). 546N/A * Moved seconds() to an extern. 546N/A * 23-Sep-89: Switch to random() and fixed bug w/ less than 4 lines.