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85 lines
2.7 KiB
Text
85 lines
2.7 KiB
Text
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pngsuite
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--------
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(c) Willem van Schaik, 1999
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Permission to use, copy, and distribute these images for any purpose and
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without fee is hereby granted.
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These 15 images are part of the much larger PngSuite test-set of
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images, available for developers of PNG supporting software. The
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complete set, available at http:/www.schaik.com/pngsuite/, contains
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a variety of images to test interlacing, gamma settings, ancillary
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chunks, etc.
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The images in this directory represent the basic PNG color-types:
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grayscale (1-16 bit deep), full color (8 or 16 bit), paletted
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(1-8 bit) and grayscale or color images with alpha channel. You
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can use them to test the proper functioning of PNG software.
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filename depth type
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------------ ------ --------------
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basn0g01.png 1-bit grayscale
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basn0g02.png 2-bit grayscale
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basn0g04.png 4-bit grayscale
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basn0g08.png 8-bit grayscale
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basn0g16.png 16-bit grayscale
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basn2c08.png 8-bit truecolor
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basn2c16.png 16-bit truecolor
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basn3p01.png 1-bit paletted
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basn3p02.png 2-bit paletted
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basn3p04.png 4-bit paletted
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basn3p08.png 8-bit paletted
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basn4a08.png 8-bit gray with alpha
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basn4a16.png 16-bit gray with alpha
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basn6a08.png 8-bit RGBA
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basn6a16.png 16-bit RGBA
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Here is the correct result of typing "pngtest -m *.png" in
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this directory:
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Testing basn0g01.png: PASS (524 zero samples)
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Filter 0 was used 32 times
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Testing basn0g02.png: PASS (448 zero samples)
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Filter 0 was used 32 times
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Testing basn0g04.png: PASS (520 zero samples)
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Filter 0 was used 32 times
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Testing basn0g08.png: PASS (3 zero samples)
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Filter 1 was used 9 times
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Filter 4 was used 23 times
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Testing basn0g16.png: PASS (1 zero samples)
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Filter 1 was used 1 times
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Filter 2 was used 31 times
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Testing basn2c08.png: PASS (6 zero samples)
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Filter 1 was used 5 times
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Filter 4 was used 27 times
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Testing basn2c16.png: PASS (592 zero samples)
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Filter 1 was used 1 times
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Filter 4 was used 31 times
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Testing basn3p01.png: PASS (512 zero samples)
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Filter 0 was used 32 times
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Testing basn3p02.png: PASS (448 zero samples)
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Filter 0 was used 32 times
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Testing basn3p04.png: PASS (544 zero samples)
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Filter 0 was used 32 times
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Testing basn3p08.png: PASS (4 zero samples)
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Filter 0 was used 32 times
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Testing basn4a08.png: PASS (32 zero samples)
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Filter 1 was used 1 times
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Filter 4 was used 31 times
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Testing basn4a16.png: PASS (64 zero samples)
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Filter 0 was used 1 times
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Filter 1 was used 2 times
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Filter 2 was used 1 times
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Filter 4 was used 28 times
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Testing basn6a08.png: PASS (160 zero samples)
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Filter 1 was used 1 times
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Filter 4 was used 31 times
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Testing basn6a16.png: PASS (1072 zero samples)
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Filter 1 was used 4 times
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Filter 4 was used 28 times
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libpng passes test
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Willem van Schaik
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<willem@schaik.com>
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October 1999
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