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Diffstat (limited to 'contrib/libpng/contrib/pngsuite')
29 files changed, 102 insertions, 0 deletions
diff --git a/contrib/libpng/contrib/pngsuite/README b/contrib/libpng/contrib/pngsuite/README new file mode 100644 index 0000000..f321e48 --- /dev/null +++ b/contrib/libpng/contrib/pngsuite/README @@ -0,0 +1,102 @@ + +pngsuite +-------- +(c) Willem van Schaik, 1999 + +Permission to use, copy, and distribute these images for any purpose and +without fee is hereby granted. + +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 + ------------ ------ -------------- + 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: + +Testing basn0g01.png: PASS (524 zero samples) + Filter 0 was used 32 times +Testing basn0g02.png: PASS (448 zero samples) + Filter 0 was used 32 times +Testing basn0g04.png: PASS (520 zero samples) + Filter 0 was used 32 times +Testing basn0g08.png: PASS (3 zero samples) + Filter 1 was used 9 times + Filter 4 was used 23 times +Testing basn0g16.png: PASS (1 zero samples) + Filter 1 was used 1 times + Filter 2 was used 31 times +Testing basn2c08.png: PASS (6 zero samples) + Filter 1 was used 5 times + Filter 4 was used 27 times +Testing basn2c16.png: PASS (592 zero samples) + Filter 1 was used 1 times + Filter 4 was used 31 times +Testing basn3p01.png: PASS (512 zero samples) + Filter 0 was used 32 times +Testing basn3p02.png: PASS (448 zero samples) + Filter 0 was used 32 times +Testing basn3p04.png: PASS (544 zero samples) + Filter 0 was used 32 times +Testing basn3p08.png: PASS (4 zero samples) + Filter 0 was used 32 times +Testing basn4a08.png: PASS (32 zero samples) + Filter 1 was used 1 times + Filter 4 was used 31 times +Testing basn4a16.png: PASS (64 zero samples) + Filter 0 was used 1 times + Filter 1 was used 2 times + Filter 2 was used 1 times + Filter 4 was used 28 times +Testing basn6a08.png: PASS (160 zero samples) + 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 diff --git a/contrib/libpng/contrib/pngsuite/basn0g01.png b/contrib/libpng/contrib/pngsuite/basn0g01.png Binary files differnew file mode 100644 index 0000000..e31e1c7 --- /dev/null +++ b/contrib/libpng/contrib/pngsuite/basn0g01.png diff --git 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