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OTS-SIDE-BY-SIDE(1) User Commands OTS-SIDE-BY-SIDE(1) NAME ots-side-by-side - font quality checker SYNOPSIS ots-side-by-side FONT_FILE DESCRIPTION ots-side-by-side is a program which renders some characters (ASCII, Latin-1, CJK) using both original font and transcoded font and checks that the two rendering results are exactly equal. The following Unicode characters are used during the test: 0x0020 - 0x007E // Basic Latin 0x00A1 - 0x017F // Latin-1 0x1100 - 0x11FF // Hangul 0x3040 - 0x309F // Japanese HIRAGANA letters 0x3130 - 0x318F // Hangul 0x4E00 - 0x4F00 // CJK Kanji/Hanja 0xAC00 - 0xAD00 // Hangul This tool uses FreeType library. Note: This tool doesn't check kerning (GPOS/kern) nor font substitution (GSUB). These should be tested in Layout tests if necessary. EXAMPLES $ ./ots-side-by-side linux/kochi-gothic.ttf # no problem $ ./ots-side-by-side free/kredit1.ttf # this is known issue of OTS. bitmap metrics doesn't match! (14, 57), (37, 45) EXPECTED: +#######*. +##########+ .###+.#. .#. *#* # #* ##. # ## ## # ## ## # ## ## #. ## ##. #. .## ##. #. .## *#+ *+ +#* *#+ *+ +#* *#+ *+ +#* *#+ *+ +#* *#+ *+ *#* *#+ ++ *#+ +#* +* *#+ +#* +* *#+ +#* +* *#+ +#* +* ##. +#* +* ##. .## .# ## .## .# ## .## .# ## ## # ## ## # ## ## # .## ## # .## ## .#+ +#* ## +######* ##.+#######* *##########* +##########+ #########* .######## +####+ .*######* +##*.*##### .##+.#+ +# *#* ## #+ ##*### ## ###### ## ##+.##+ +## ## ########## ## +######### ## +######## *#. .########* .#* #########. +##########+ +*######* ACTUAL: .*##*+ +##+.##*. .#* .##.+#* *# ### *#+ #*######+ .*#+ #########*. +#*. ###########* +#* *############+ *#+ +##############. .##. *##############* +#* +###############+ *#+ *###############+ .*#+ .###############*. +#*. +###############* +#* *###############+ *#+ .*###############+ .*#+ +###############*. +#* +###############* ** *###############+ #+ .###############* ## +############+ ## +########* .## .######. +### +#####+ .*#..# +#####* *###..# *#####. +#######* +#####+ .*########. +#####* +#########* *#####. +##########+ +#####+ *#########*. .#####* +##########+ *#####. +##########* +#####+ *#########*. .#####* +##########+ *#####+ +##########* .#*++#+ *#########*. .#+ ## +##########+ ****###+.##########* ##################. ###+ *#########+ ## +########* *#+ *########. ##.#######+ +#######* *###*. Glyph mismatch! (file: free/kredit1.ttf, U+0021, 100pt)! REPORTING BUGS Report bugs to <https://github.com/khaledhosny/ots/issues> SEE ALSO ots-idempotent(1), ots-perf(1), ots-sanitize(1), ots-validator-checker(1) OpenType Sanitizer May 2021 OTS-SIDE-BY-SIDE(1)
NAME | SYNOPSIS | DESCRIPTION | EXAMPLES | REPORTING BUGS | SEE ALSO
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