/usr/lib/python3/dist-packages/psautohint/__main__.py is in python3-psautohint 1.1.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import os
import re
import sys
from psautohint import _psautohint, autohint, ufoFont
__copyright__ = """\
Copyright 2014-2017 Adobe Systems Incorporated (http://www.adobe.com/). All Rights Reserved.
"""
__usage__ = """
Auto-hinting program for PostScript and OpenType/CFF fonts.
autohint.py v1.49 April 27 2016
autohint -h
autohint -u
autohint -hfd
autohint -pfd
autohint [-g <glyph list>] [-gf <filename>] [-xg <glyph list>] [-xgf <filename>]
[-cf path] [-a] [-logOnly] [-log <logFile path>] [-r] [-q] [-qq] [-c]
[-nf] [-ns] [-nb] [-wd] [-o <output font path>] font-path
"""
__help__ = __usage__ + """
Takes a list fonts, and an optional list of glyphs, and hints the fonts. If the
list of glyphs is supplied, the hinting is limited to the specified glyphs.
Note that the hinting is better if the font's global alignment zones are set
usefully; at the very least, you should have entered values that capture capital
height, x-height, ascender and descender heights, and ascender and descender
overshoot. The reports provided by the stemHist tool are useful for choosing these.
By default, autothint will hint all glyphs in the font. Options allow you to
specify a subset of the glyphs for hinting.
Options:
-h ... Print help.
-u ... Print usage.
-hfd . Print a description of the format for defining a set of alternate
alignment zones in an "fontinfo" file.
-pfd . Print the default FDDict values for the source font: the alignment
zone, stem width, and other global values. This is useful
as a starting point for building FDDict defintions (see -hfd).
-pfdl Print the list of user-defined FDDict values, and which glyphs
are included in each. This is useful for checking your FDDict
definitions and glyph search terms. (see -hfd).
-g <glyphID1>,<glyphID2>,...,<glyphIDn>
Hint only the specified list of glyphs. Note that all glyphs will be
written to the output file. The list must be comma-delimited. The glyph
references may be glyphID's, glyph names, or glyph CID's. If the latter,
the CID value must be prefixed with the string "/". There must be no
white-space in the glyph list.
Examples:
autohint -g A,B,C,68 myFont
autohint -g /1030,/434,/1535,68 myCIDFont
A range of glyphs may be specified by providing two names separated
only by a hyphen:
autohint -g zero-nine,onehalf myFont
Note that the range will be resolved by expanding the glyph indices
(GID)'s, not by alphabetic names.
-gf <file name>
Hint only the list of glyphs contained in the specified file. The file
must contain a comma-delimited list of glyph identifiers. Any number of
space, tab, and new-line characters are permitted between glyph names
and commas.
-xg, -xgf
Same as -g and -gf, but will exclude the specified glyphs from hinting.
-cf <path>
AC will try and add counter hints to only a short hard-coded list of
glyphs:
V counters: "m", "M", "T", "ellipsis"
H counters: "element", "equivalence", "notelement", "divide".
Counter hints help to keep the space between stems open and equal in size.
To extend this list, use the option -cf followed by a path to a text file.
The text file must contain one record per line. A record references one
glyph, and should consist of a single letter V or H, to indicate whether
the counters should be vertical or horizontal, followd by a space or tab,
followed by a glyph name. A maximum of 64 glyph names can be added to
either the vertical or horizontal list.
Example:
V ffi
V ffl
V f_f_j
Alternatively, if there is a file named "fontinfo" in the same directory
as the source font, this script will look in that file for lines with the
format:
VCounterChar (<glyph name1> <glyph name2> ...)
HCounterChar (<glyph name1> <glyph name2> ...)
and add the referenced glyphs to the counter hint lists.
Example:
VCounterChar (ffi ffl f_f_j)
-logOnly
Do not change any outlines, but report warnings for all selected glyphs,
including those already hinted.
The option -q is ignored.
The option -a is implied.
-q ... Quiet mode. Will suppress comments from the auto-hinting library about
recommended glyph outline changes.
-qq .. Really quiet mode. Will suppress all normal messages.
-c ... Permit changes to the glyph outline. When this is turned on, the autohint
program will fix a few issues: if there are many hint substitutions,
it will try and shuffle the order of paths to reduce this, and it will
flatten nearly straight curves.
It no longer blunts sharp angles. That is better done with checkOutlines.
-nf .. Suppress generation of flex commands.
-ns .. Suppress hint substitution. Do this only if you really want the smallest
possible font file. This will use only one set of hints for the entire glyph.
-nb .. Allow the font to have to no stem widths or blue values specified.
Without this option, autohint will complain and quit.
-o <output font path>
If not specified, autohint will write the hinted output to the original
font path name.
-log . Write output to a log file.
-all . Hint all glyphs, even if the source glyphs is unchanged and the glyph has
been hinted before.
Applies only to UFO fonts.
-hf .. Use history file. Will create it if it does not already exist.
Should not be used with UFO fonts, where another mechanism is employed.
-a ... Hint all glyphs that are in the history file, or are unhinted.
Has effect only if the history file is being used.
-r ... Re-hint glyphs. Glyphs not in the history file will be hinted even
if they already have hints. However, glyphs will not be hinted if
they both have not changed and are in the history file.
-decimal
Use decimal coordinates, instead of rounding to the nearest integer value.
-wd .. Write changed glyphs to default layer instead of '%s'.
autohint can also apply different sets of alignment zones while hinting a
particular set of glyphs. This is useful for name-keyed fonts, which, unlike
CID fonts, only have one set of global alignment zones and stem widths.
By default, autohint uses the font's global alignment zones and stem widths
for each glyph. However, if there is a file named "fontinfo" in the same
directory as the input font file, autohint will check the "fontinfo" file for
definitions of alternate sets of alignment zones, and the matching lists of
glyphs to which they should be applied. To see the format for these entries,
use the option "-hfd". This allows one set of glyphs to be hinted using a
different set of zones and stem widths than other glyphs. This isn't as useful
as having real multiple hint dictionaries in the font, as the final name-keyed
font can only have one set of alignment zones, but it does allow for improved
hinting when different sets of glyphs need different baselines.
autohint can maintain a history file, which allows you to avoid hinting glyphs
that have already been auto-hinted or manually hinted. When this is in use,
autohint will by default hint only those glyphs that are not already hinted,
and also those glyphs which are hinted, but whose outlines have changed since
the last time autohint was run. autohint knows whether an outline has changed
by storing the outline in the history file whenever the glyph is hinted, and
then consulting the history file when it is asked to hint the glyph again.
By default, autohint does not maintain or use the history file, but this can
be turned on with an option.
When used, the history file is named "<PostScriptName>.plist", in the same
location as the parent font file. For each glyph, autohint stores a simplified
version of the outline coordinates. If this entry is missing for a glyph and
the glyph has hints, then autohint assumes it was manually hinted, and will by
default not hint it again. If the file is missing, autohint will assume that
all the glyphs were manually hinted, and you will have to use the option -a
or -r to hint any glyphs.
""" % (ufoFont.kProcessedGlyphsLayerName)
__FDDoc__ = """
By default, autohint uses the font's global alignment zones and stem widths
when hinting each glyph. However, if there is a file named "fontinfo" in the
same directory as the input font file, autohint will check the "fontinfo" file
for definitions of sets of alignment zones (a "FDDict"), and the matching lists
of glyphs to which they should be applied. This allows one set of glyphs to be
hinted using a different set of zones and stem widths than other glyphs. This
isn't as useful as having real multiple hint dictionaries in the font, as the
final name-keyed font can only have one set of alignment zones, but it does
allow for improved hinting when different sets of glyphs need different
alignment zones.
If FDDict definitions are used, then the global alignment zones and stem widths
in the source font will be ignored. For any glyphs not covered by an explicit
FDDict definition, autohint will synthesize an dummy FDDict, where the zones are
set outside of the the font's bounding box, so they will not affect hinting.
This is desirable for glyphs that have no features that need to be aligned.
If autohint finds an FDDict named "FinalFont", then it will write that set of
values to the output font. Otherwise, it will merge all the alignment zones and
stem widths in the union of all the FDDict definitions. If this merge fails
because some of the alignment zones are stem widths overlap, then you have to
provide a "FinalFont" FDDict that explicitly defines which stems and zones to
use in the hinted output font.
To use a dictionary of alignment zones and stem widths, you need to define both
the dictionary of alternate values, and the set of glyphs to apply it to. The
FDDict must be defined in the file before the set of glyphs which belong to it.
Both the FDDict and the glyph set define a name; an FDDict is applied to the
glyph set with the same name.
If you run autohint with the option "-pfd", it will print out the list of FDDict
values for the source font. You can use this text as a starting point for your
FDDict definitions.
You can also run autohint with the option "-pfdl". This will print the
user-defined FDDict defintions, and the list of glyphs associated with each
FDDict. You can use this to check your values, and to check which glyphs are
assigned to which FDDict. In particular, check the glyph list for the first
FDDict "No Alignment Zones": this list exists because these glyphs did not
match in the search terms for any user-defined FDDict.
The definitions use the following syntax:
begin FDDict <name>
<key-1> <value-1>
<key-2> <value-2>
...
<key-n> <value-n>
end FDDict <name>
begin GlyphSet <name>
<glyphname-1> <glyphname-2> ...
<glyphname-n>
end GlyphSet <name>
The glyph names may be either a real glyph name, or a regular expression
designed to match several names. An abbreviated regex primer:
^ ..... Matches at the start of the glyph name
$ ..... Matches at the end
[aABb] Matches any one character in the set a, A, b, B
[A-Z] . Matches any one character in the set comprising the range from A-Z
[abA-Z] Matches any one character in the set comprising set set of a, b,
and the characters in the range from A-Z
. ..... Matches any single character
+ ..... Maches whatever preceded it one or more times
* ..... Matches whatever preceded it none or more times.
\ ..... An escape character that includes the following character without
the second one being interpreted as a regex special character
Examples:
^[A-Z]$ Matches names with one character in the range from A-Z.
^[A-Z].+ Matches any name where the first character is in the range A-Z,
and it is followed by one or more characters.
[A-Z].+ Matches any name with a character that is in the range A-Z and
which is followed by one or more characters.
^[A-Z].* Matches any name with one or more characters, and
the first character is in the range A-Z
^.+\.smallcaps Matches any name that contains ".smallcaps"
^.+\.smallcaps$ Matches any name that ends with ".smallcaps"
^.+\.s[0-24]0$ Matches any name that ends with ".s00",".s10",".s20", or ".s04"
Example FDDict and GlyphSet definitions.
********************************
begin FDDict ST_Smallcaps
# I like to put the non hint stuff first.
OrigEmSqUnits 1000
FlexOK true
# This gets used as the hint dict name if the font
# is eventually built as a CID font.
FontName AachenStd-Bold
# Alignment zones.
# The first is a bottom zone, the rest are top zones. See below.
BaselineOvershoot -20
BaselineYCoord 0
CapHeight 900
CapOvershoot 20
LcHeight 700
LcOvershoot 15
# Stem widths.
DominantV [236 267]
DominantH [141 152]
end FDDict ST_Smallcaps
begin FDDict LM_Smallcaps
OrigEmSqUnits 1000
FontName AachenStd-Bold
BaselineOvershoot -25
BaselineYCoord 0
CapHeight 950
CapOvershoot 25
LcHeight 750
LcOvershoot 21
DominantV [236 267]
DominantH [141 152]
FlexOK true
end FDDict LM_Smallcaps
begin GlyphSet LM_Smallcaps
[Ll]\S+\.smallcap [Mm]\S+\.smallcap
end GlyphSet LM_Smallcaps
begin GlyphSet ST_Smallcaps
[Tt]\S+\.smallcap [Ss]\S+\.smallcap
end GlyphSet ST_Smallcaps
********************************
Note that whitespace must exist between keywords and values, but is otherwise
ignored. "#" is a comment character: any occurrence of "#" and all following
text on a line is skipped. GlyphSet and FDDict definitions may be intermixed,
as long as any FDDict is defined before the GlyphSet which refers to it.
You must provide at least two BlueValue pairs (the 'BaselineYCoord' bottom zone
and any top zone), and you must provide the DominantH and DominantV keywords.
All other keywords are optional.
The full set of recognized FDDict keywords are:
BlueValue pairs:
# BaselineOvershoot is a bottom zone, the rest are top zones.
BaselineYCoord
BaselineOvershoot
CapHeight
CapOvershoot
LcHeight
LcOvershoot
AscenderHeight
AscenderOvershoot
FigHeight
FigOvershoot
Height5
Height5Overshoot
Height6
Height6Overshoot
OtherBlues pairs:
# These
Baseline5Overshoot
Baseline5
Baseline6Overshoot
Baseline6
SuperiorOvershoot
SuperiorBaseline
OrdinalOvershoot
OrdinalBaseline
DescenderOvershoot
DescenderHeight
For zones which capture the bottom of a feature in the glyph, (BaselineYCoord
and all the OtherBlues), the value specifies the top of the zone, and the
"Overshoot" is a negative value which specifes the offset to the bottom of the
zone, e.g.
BaselineYCoord 0
BaselineOvershoot 12
For zones which capture the top of a feature in the glyph, (the rest of the
BlueValue zones), the value specifies the bottom of the zone, and the "Overshoot"
is a positive value which specifes the offset to the top of the zone, e.g.
Height6 800
Height6Overshoot 20
Note also that there is no implied sequential order of values. Height6 may have
a value less than or equal to CapHeight.
The values for keywords in one FontDict definiton are completely independent of
the values used in another FontDict. There is no inheritance from one definition
to the next.
All FontDicts must specify at least the BaselineYCoord and one top zone.
Miscellaneous values:
FontName ..... PostScript font name.
Only used by makeotf when building a CID font.
OrigEmSqUnits Single value: size of em-square.
Only used by makeotf when building a CID font.
LanguageGroup 0 or 1. Specifies whether counter hints for ideographic glyphs
should be applied.
Only used by makeotf when building a CID font.
DominantV .... List of dominant vertical stems, in the form
[<stem-value-1> <stem-value-2> ...]
DominantH .... List of dominant horizontal stems, in the form
[<stem-value-1> <stem-value-2> ...]
FlexOK ....... true or false.
VCounterChars List of characters to which counter hints may be applied,
in the form [<glyph-name-1> <glyph-name-2> ...]
HCounterChars List of characters to which counter hints may be applied,
in the form [<glyph-name-1> <glyph-name-2> ...]
Note for cognoscenti: the autohint program code ignores StdHW and StdVW entries
if DominantV and DominantH entries are present, so I omit writing the Std[HV]W
keywords to fontinfo file. Also, autohint will add any non-duplicate stem width
values for StemSnap[HV] to the Dominant[HV] stem width list, but the StemSnap[HV]
entries are not necessary if the full list of stem widths are supplied as values
for the Dominant[HV] keywords, hence I also write the full stem list for the
Dominant[HV] keywords, and do not write the StemSnap[HV] keywords, to the
fontinfo file. This is technically not right, as DominantHV array is supposed to
hold only two values, but the autohint program doesn't care, and I can write
fewer entries this way.
"""
class OptionParseError(Exception):
pass
def expandNames(glyphName, nameAliases):
glyphRange = glyphName.split("-")
if len(glyphRange) > 1:
g1 = expandNames(glyphRange[0], nameAliases)
g2 = expandNames(glyphRange[1], nameAliases)
glyphName = "%s-%s" % (g1, g2)
elif glyphName[0] == "/":
glyphName = "cid" + glyphName[1:].zfill(5)
if glyphName == "cid00000":
glyphName = ".notdef"
nameAliases[glyphName] = "cid00000"
elif glyphName.startswith("cid") and (len(glyphName) < 8):
glyphName = "cid" + glyphName[3:].zfill(5)
if glyphName == "cid00000":
glyphName = ".notdef"
nameAliases[glyphName] = "cid00000"
return glyphName
def parseGlyphListArg(glyphString, nameAliases):
glyphString = re.sub(r"[ \t\r\n,]+", ",", glyphString)
glyphList = glyphString.split(",")
glyphList = [expandNames(n, nameAliases) for n in glyphList]
glyphList = filter(None, glyphList)
return glyphList
def parseCounterHintData(path):
hCounterGlyphList = []
vCounterGlyphList = []
with open(path, "rt") as gf:
data = gf.read()
lines = re.findall(r"([^\r\n]+)", data)
# strip blank and comment lines
lines = filter(lambda line: re.sub(r"#.+", "", line), lines)
lines = filter(lambda line: line.strip(), lines)
for line in lines:
fields = line.split()
if (len(fields) != 2) or (fields[0] not in ["V", "v", "H", "h"]) :
print("\tError: could not process counter hint line '%s' in file %s. Doesn't look like V or H followed by a tab or space, and then a glyph name." % (line, path))
elif fields[0] in ["V", "v"]:
vCounterGlyphList.append(fields[1])
else:
hCounterGlyphList.append(fields[1])
return hCounterGlyphList, vCounterGlyphList
def checkFontinfoFile(options):
"""Check if there ia a makeotf fontinfo file in the input font directory.
If so, get any Vcounter or HCouunter glyphs from it."""
srcFontInfo = os.path.dirname(options.inputPath)
srcFontInfo = os.path.join(srcFontInfo, "fontinfo")
if os.path.exists(srcFontInfo):
with open(srcFontInfo, "rU") as fi:
data = fi.read()
data = re.sub(r"#[^\r\n]+", "", data)
counterGlyphLists = re.findall(r"([VH])CounterChars\s+\(\s*([^\)\r\n]+)\)", data)
for entry in counterGlyphLists:
glyphList = entry[1].split()
if glyphList:
if entry[0] == "V":
options.vCounterGlyphs.extend(glyphList)
else:
options.hCounterGlyphs.extend(glyphList)
if options.vCounterGlyphs or options.hCounterGlyphs:
options.counterHintFile = srcFontInfo
def getOptions(args):
options = autohint.ACOptions()
i = 0
numOptions = len(args)
while i < numOptions:
arg = args[i]
if options.inputPath:
raise OptionParseError("Option Error: All options must preceed the input font path <%s>." % arg)
if arg == "-h":
print(__help__)
print("Lib version:", _psautohint.version)
return
elif arg == "-u":
print(__usage__)
print("Lib version:", _psautohint.version)
return
elif arg == "-hfd":
print(__FDDoc__)
return
elif arg == "-pfd":
options.printDefaultFDDict = True
elif arg == "-pfdl":
options.printFDDictList = True
elif arg == "-hf":
options.usePlistFile = True
elif arg == "-a":
options.hintAll = True
elif arg == "-all":
options.hintAll = True
elif arg == "-r":
options.rehint = True
elif arg == "-q":
options.verbose = False
elif arg == "-qq":
options.quiet = True
options.verbose = False
elif arg == "-c":
options.allowChanges = True
elif arg == "-nf":
options.noFlex = True
elif arg == "-ns":
options.noHintSub = True
elif arg == "-nb":
options.allow_no_blues = True
elif arg in ["-xg", "-g"]:
if arg == "-xg":
options.excludeGlyphList = True
i += 1
glyphString = args[i]
if glyphString[0] == "-":
raise OptionParseError("Option Error: it looks like the first item in the glyph list following '-g' is another option.")
options.glyphList += parseGlyphListArg(glyphString, options.nameAliases)
elif arg in ["-xgf", "-gf"]:
if arg == "-xgf":
options.excludeGlyphList = True
i += 1
filePath = args[i]
if filePath[0] == "-":
raise OptionParseError("Option Error: it looks like the the glyph list file following '-gf' is another option.")
try:
with open(filePath, "rt") as gf:
glyphString = gf.read()
except (IOError,OSError):
raise OptionParseError("Option Error: could not open glyph list file <%s>." % filePath)
options.glyphList += parseGlyphListArg(glyphString, options.nameAliases)
elif arg == "-cf":
i += 1
filePath = args[i]
if filePath[0] == "-":
raise OptionParseError("Option Error: it looks like the the counter hint glyph list file following '-cf' is another option.")
try:
options.counterHintFile = filePath
options.hCounterGlyphs, options.vCounterGlyphs = parseCounterHintData(filePath)
except (IOError,OSError):
raise OptionParseError("Option Error: could not open counter hint glyph list file <%s>." % filePath)
elif arg == "-logOnly":
options.logOnly = True
elif arg == "-log":
i += 1
options.logFile = open(args[i], "wt")
elif arg == "-o":
i += 1
options.outputPath = args[i]
elif arg == "-d":
options.debug = True
elif arg in ["-decimal", "-dec"]:
options.allowDecimalCoords = True
elif arg =="-wd":
options.writeToDefaultLayer = True
elif arg[0] == "-":
raise OptionParseError("Option Error: Unknown option <%s>." % arg)
else:
options.inputPath = arg
i += 1
if not options.inputPath:
raise OptionParseError("Option Error: You must provide a font file path.")
if not os.path.exists(options.inputPath):
raise OptionParseError("Option Error: The input font file path %s' does not exist." % (options.inputPath))
# Might be a UFO font.
# Auto completion in some shells adds a dir separator,
# which then causes problems with os.path.dirname().
options.inputPath = options.inputPath.rstrip(os.sep)
checkFontinfoFile(options)
if options.logOnly:
options.verbose = True
options.hintAll = True
return options
def main(args=None):
if args is None:
args = sys.argv[1:]
try:
options = getOptions(args)
if options is None:
# Happens when one of the help arguments is given.
return
except OptionParseError as e:
autohint.logMsg(e)
return 1
# verify that all files exist.
try:
autohint.hintFile(options)
except (autohint.ACFontError, autohint.ACHintError,
ufoFont.UFOParseError) as e:
autohint.logMsg("\t%s" % e)
return 1
if options.logFile:
options.logFile.close()
if __name__=='__main__':
sys.exit(main())
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