Hello Stefan, You may use and redistribute in source and binary forms, with or without modification, as long as you meet the conditions of the license.
If you make any modifications to the source that you find might be useful to others, we would encourage you to contribute those back to the project, but that is not a condition of the license. Cheers, michael On Wed, Jun 4, 2014 at 12:42 PM, Stefan Vahlgren <stefan.vahlg...@gmail.com> wrote: > Hi. > I am planning to use Piccolo2D as a graphics engine in a future commercial > product. I will extend class org.piccolo2d.nodes.PShape in order to get the > extra support I need in my own shapes. Is this ok, or am I violating the > copyright by any means? > > I've attached the copyright comments (from class org.piccolo2d.nodes.PPath) > below: > > /* > * Copyright (c) 2008-2012, Piccolo2D project, http://piccolo2d.org > * Copyright (c) 1998-2008, University of Maryland > * All rights reserved. > * > * Redistribution and use in source and binary forms, with or without > modification, are permitted provided > * that the following conditions are met: > * > * Redistributions of source code must retain the above copyright notice, > this list of conditions > * and the following disclaimer. > * > * Redistributions in binary form must reproduce the above copyright notice, > this list of conditions > * and the following disclaimer in the documentation and/or other materials > provided with the > * distribution. > * > * None of the name of the University of Maryland, the name of the Piccolo2D > project, or the names of its > * contributors may be used to endorse or promote products derived from this > software without specific > * prior written permission. > * > * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS > IS" AND ANY EXPRESS OR IMPLIED > * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF > MERCHANTABILITY AND FITNESS FOR A > * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER > OR CONTRIBUTORS BE LIABLE FOR > * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL > DAMAGES (INCLUDING, BUT NOT > * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, > DATA, OR PROFITS; OR BUSINESS > * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN > CONTRACT, STRICT LIABILITY, OR > * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE > USE OF THIS SOFTWARE, EVEN IF > * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. > */ > > -- > -- > Piccolo2D Developers Group: > http://groups.google.com/group/piccolo2d-dev?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Piccolo2D Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to piccolo2d-dev+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- -- Piccolo2D Developers Group: http://groups.google.com/group/piccolo2d-dev?hl=en --- You received this message because you are subscribed to the Google Groups "Piccolo2D Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to piccolo2d-dev+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.