1 2pngsuite 3-------- 4(c) Willem van Schaik, 1999 5 6Permission to use, copy, and distribute these images for any purpose and 7without fee is hereby granted. 8 9These 15 images are part of the much larger PngSuite test-set of 10images, available for developers of PNG supporting software. The 11complete set, available at http:/www.schaik.com/pngsuite/, contains 12a variety of images to test interlacing, gamma settings, ancillary 13chunks, etc. 14 15The images in this directory represent the basic PNG color-types: 16grayscale (1-16 bit deep), full color (8 or 16 bit), paletted 17(1-8 bit) and grayscale or color images with alpha channel. You 18can use them to test the proper functioning of PNG software. 19 20 filename depth type 21 ------------ ------ -------------- 22 basn0g01.png 1-bit grayscale 23 basn0g02.png 2-bit grayscale 24 basn0g04.png 4-bit grayscale 25 basn0g08.png 8-bit grayscale 26 basn0g16.png 16-bit grayscale 27 basn2c08.png 8-bit truecolor 28 basn2c16.png 16-bit truecolor 29 basn3p01.png 1-bit paletted 30 basn3p02.png 2-bit paletted 31 basn3p04.png 4-bit paletted 32 basn3p08.png 8-bit paletted 33 basn4a08.png 8-bit gray with alpha 34 basn4a16.png 16-bit gray with alpha 35 basn6a08.png 8-bit RGBA 36 basn6a16.png 16-bit RGBA 37 38Here is the correct result of typing "pngtest -m *.png" in 39this directory: 40 41Testing basn0g01.png: PASS (524 zero samples) 42 Filter 0 was used 32 times 43Testing basn0g02.png: PASS (448 zero samples) 44 Filter 0 was used 32 times 45Testing basn0g04.png: PASS (520 zero samples) 46 Filter 0 was used 32 times 47Testing basn0g08.png: PASS (3 zero samples) 48 Filter 1 was used 9 times 49 Filter 4 was used 23 times 50Testing basn0g16.png: PASS (1 zero samples) 51 Filter 1 was used 1 times 52 Filter 2 was used 31 times 53Testing basn2c08.png: PASS (6 zero samples) 54 Filter 1 was used 5 times 55 Filter 4 was used 27 times 56Testing basn2c16.png: PASS (592 zero samples) 57 Filter 1 was used 1 times 58 Filter 4 was used 31 times 59Testing basn3p01.png: PASS (512 zero samples) 60 Filter 0 was used 32 times 61Testing basn3p02.png: PASS (448 zero samples) 62 Filter 0 was used 32 times 63Testing basn3p04.png: PASS (544 zero samples) 64 Filter 0 was used 32 times 65Testing basn3p08.png: PASS (4 zero samples) 66 Filter 0 was used 32 times 67Testing basn4a08.png: PASS (32 zero samples) 68 Filter 1 was used 1 times 69 Filter 4 was used 31 times 70Testing basn4a16.png: PASS (64 zero samples) 71 Filter 0 was used 1 times 72 Filter 1 was used 2 times 73 Filter 2 was used 1 times 74 Filter 4 was used 28 times 75Testing basn6a08.png: PASS (160 zero samples) 76 Filter 1 was used 1 times 77 Filter 4 was used 31 times 78Testing basn6a16.png: PASS (1072 zero samples) 79 Filter 1 was used 4 times 80 Filter 4 was used 28 times 81libpng passes test 82 83Willem van Schaik 84<willem@schaik.com> 85October 1999 86