PngSuite - Transparency / PNG-files

tbbn0g04 - transparent, black background chunk     tbbn2c16 - transparent, blue background chunk     tbbn3p08 - transparent, black background chunk     tbgn2c16 - transparent, green background chunk     tbgn3p08 - transparent, light-gray background chunk     tbrn2c08 - transparent, red background chunk     tbwn0g16 - transparent, white background chunk     tbwn3p08 - transparent, white background chunk     tbyn3p08 - transparent, yellow background chunk     tp0n0g08 - not transparent for reference (logo on gray)     tp0n2c08 - not transparent for reference (logo on gray)     tp0n3p08 - not transparent for reference (logo on gray)     tp1n3p08 - transparent, but no background chunk     tm3n3p02 - multiple levels of transparency, 3 entries

Willem van Schaik, Calgary, April 2011 http://www.schaik.com/wwwillem.html