/*
 * PNG loader library for OpenGL v1.45 (10/07/00)
 * by Ben Wyatt ben@wyatt100.freeserve.co.uk
 * Using LibPNG 1.0.2 and ZLib 1.1.3
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the author be held liable for any
 * damages arising from the use of this software.
 *
 * Permission is hereby granted to use, copy, modify, and distribute
 * this source code, or portions hereof, for any purpose, without
 * fee, subject to the following restrictions:
 *
 * 1. The origin of this source code must not be misrepresented. You
 *    must not claim that you wrote the original software. If you use
 *    this software in a product, an acknowledgment in the product
 *    documentation would be appreciated but is not required.
 * 2. Altered versions must be plainly marked as such and must not
 *    be misrepresented as being the original source.
 * 3. This notice must not be removed or altered from any source
 *    distribution.
 */