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author | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2010-06-18 18:55:55 -0500 |
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committer | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2010-06-25 20:06:28 -0500 |
commit | 53c07f59096c8c617d214dc9f13c0bed2439a903 (patch) | |
tree | f1e7b3bf893babca140df0cdea443dad421e199e /contrib/pngsuite/README | |
parent | 537c1a5747f09831f4cd6f45d8f04c506091d4dc (diff) | |
download | libpng-53c07f59096c8c617d214dc9f13c0bed2439a903.tar.gz |
[devel] Imported from libpng-1.5.0beta25.tarv1.5.0beta25
Diffstat (limited to 'contrib/pngsuite/README')
-rw-r--r-- | contrib/pngsuite/README | 51 |
1 files changed, 34 insertions, 17 deletions
diff --git a/contrib/pngsuite/README b/contrib/pngsuite/README index 714d12c64..f321e486b 100644 --- a/contrib/pngsuite/README +++ b/contrib/pngsuite/README @@ -6,34 +6,51 @@ pngsuite Permission to use, copy, and distribute these images for any purpose and without fee is hereby granted. -These 15 images are part of the much larger PngSuite test-set of +The 15 "bas*.png" images are part of the much larger PngSuite test-set of images, available for developers of PNG supporting software. The complete set, available at http:/www.schaik.com/pngsuite/, contains a variety of images to test interlacing, gamma settings, ancillary chunks, etc. +The "ft*.png" images are "free/libre" replacements for the transparent +corresponding t*.png images in the PngSuite. + The images in this directory represent the basic PNG color-types: grayscale (1-16 bit deep), full color (8 or 16 bit), paletted (1-8 bit) and grayscale or color images with alpha channel. You can use them to test the proper functioning of PNG software. - filename depth type + filename depth type ------------ ------ -------------- - basn0g01.png 1-bit grayscale - basn0g02.png 2-bit grayscale - basn0g04.png 4-bit grayscale - basn0g08.png 8-bit grayscale - basn0g16.png 16-bit grayscale - basn2c08.png 8-bit truecolor - basn2c16.png 16-bit truecolor - basn3p01.png 1-bit paletted - basn3p02.png 2-bit paletted - basn3p04.png 4-bit paletted - basn3p08.png 8-bit paletted - basn4a08.png 8-bit gray with alpha - basn4a16.png 16-bit gray with alpha - basn6a08.png 8-bit RGBA - basn6a16.png 16-bit RGBA + basn0g01.png 1-bit grayscale + basn0g02.png 2-bit grayscale + basn0g04.png 4-bit grayscale + basn0g08.png 8-bit grayscale + basn0g16.png 16-bit grayscale + basn2c08.png 8-bit truecolor + basn2c16.png 16-bit truecolor + basn3p01.png 1-bit paletted + basn3p02.png 2-bit paletted + basn3p04.png 4-bit paletted + basn3p08.png 8-bit paletted + basn4a08.png 8-bit gray with alpha + basn4a16.png 16-bit gray with alpha + basn6a08.png 8-bit RGBA + basn6a16.png 16-bit RGBA + + ftbbn0g04.png 4-bit grayscale, black bKGD + ftbbn2c16.png 16-bit truecolor, black bKGD + ftbbn3p08.png 8-bit paletted, black bKGD + ftbgn2c16.png 16-bit truecolor, gray bKGD + ftbgn3p08.png 8-bit paletted, gray bKGD + ftbrn2c08.png 8-bit truecolor, red bKGD + ftbwn0g16.png 16-bit gray, white bKGD + ftbwn3p08.png 8-bit paletted, white bKGD + ftbyn3p08.png 8-bit paletted, yellow bKGD + ftp0n0g08.png 8-bit grayscale, opaque + ftp0n2c08.png 8-bit truecolor, opaque + ftp0n3p08.png 8-bit paletted, opaque + ftp1n3p08.png 8-bit paletted, no bKGD Here is the correct result of typing "pngtest -m *.png" in this directory: |