Copyright 2011, 2012, 2017, 2021 Kevin Ryde This file is part of Image-Base-Magick. Image-Base-Magick is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. Image-Base-Magick is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Image-Base-Magick. If not, see . Version 6, August 2021 - allow for GetPixel() returning transparency Version 5, July 2017 - tests allow for Image::Magick->VERSION = undef circa its 6.97 Version 4, October 2012 - xy() use Draw(primitive=>'point') instead of set("pixel[]"), to avoid error on negative or large X,Y Version 3, August 2011 - fix diamond() coordinates - try strokewidth on ellipse() and diamond() Version 2, July 2011 - new -quality_percent option for JPEG - diamond() using polygon Version 1, May 2011 - the first version