729N/A

729N/Apngsuite

729N/A--------

729N/A(c) Willem van Schaik, 1999

911N/A

729N/APermission to use, copy, and distribute these images for any purpose and

729N/Awithout fee is hereby granted.

729N/A

919N/AThese 15 images are part of the much larger PngSuite test-set of

919N/Aimages, available for developers of PNG supporting software. The

919N/Acomplete set, available at http:/www.schaik.com/pngsuite/, contains

919N/Aa variety of images to test interlacing, gamma settings, ancillary

919N/Achunks, etc.

919N/A

919N/AThe images in this directory represent the basic PNG color-types:

919N/Agrayscale (1-16 bit deep), full color (8 or 16 bit), paletted

919N/A(1-8 bit) and grayscale or color images with alpha channel. You

919N/Acan use them to test the proper functioning of PNG software.

919N/A

919N/A filename depth type

919N/A ------------ ------ --------------

919N/A basn0g01.png 1-bit grayscale

919N/A basn0g02.png 2-bit grayscale

919N/A basn0g04.png 4-bit grayscale

919N/A basn0g08.png 8-bit grayscale

729N/A basn0g16.png 16-bit grayscale

729N/A basn2c08.png 8-bit truecolor

729N/A basn2c16.png 16-bit truecolor

729N/A basn3p01.png 1-bit paletted

729N/A basn3p02.png 2-bit paletted

729N/A basn3p04.png 4-bit paletted

729N/A basn3p08.png 8-bit paletted

729N/A basn4a08.png 8-bit gray with alpha

729N/A basn4a16.png 16-bit gray with alpha

911N/A basn6a08.png 8-bit RGBA

911N/A basn6a16.png 16-bit RGBA

911N/A

911N/AHere is the correct result of typing "pngtest -m *.png" in

729N/Athis directory:

729N/A

729N/ATesting basn0g01.png: PASS (524 zero samples)

729N/A Filter 0 was used 32 times

729N/ATesting basn0g02.png: PASS (448 zero samples)

729N/A Filter 0 was used 32 times

729N/ATesting basn0g04.png: PASS (520 zero samples)

729N/A Filter 0 was used 32 times

729N/ATesting basn0g08.png: PASS (3 zero samples)

729N/A Filter 1 was used 9 times

729N/A Filter 4 was used 23 times

729N/ATesting basn0g16.png: PASS (1 zero samples)

729N/A Filter 1 was used 1 times

729N/A Filter 2 was used 31 times

851N/ATesting basn2c08.png: PASS (6 zero samples)

729N/A Filter 1 was used 5 times

729N/A Filter 4 was used 27 times

729N/ATesting basn2c16.png: PASS (592 zero samples)

729N/A Filter 1 was used 1 times

851N/A Filter 4 was used 31 times

729N/ATesting basn3p01.png: PASS (512 zero samples)

729N/A Filter 0 was used 32 times

729N/ATesting basn3p02.png: PASS (448 zero samples)

851N/A Filter 0 was used 32 times

729N/ATesting basn3p04.png: PASS (544 zero samples)

729N/A Filter 0 was used 32 times

729N/ATesting basn3p08.png: PASS (4 zero samples)

729N/A Filter 0 was used 32 times

729N/ATesting basn4a08.png: PASS (32 zero samples)

851N/A Filter 1 was used 1 times

851N/A Filter 4 was used 31 times

729N/ATesting basn4a16.png: PASS (64 zero samples)

851N/A Filter 0 was used 1 times

851N/A Filter 1 was used 2 times

851N/A Filter 2 was used 1 times

851N/A Filter 4 was used 28 times

851N/ATesting basn6a08.png: PASS (160 zero samples)

851N/A Filter 1 was used 1 times

Filter 4 was used 31 times

Testing basn6a16.png: PASS (1072 zero samples)

Filter 1 was used 4 times

Filter 4 was used 28 times

libpng passes test

Willem van Schaik

<willem@schaik.com>

October 1999