fonts/nerd-fonts
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Code Issues Releases Activity

name-parser: Create more usable short (Windows) names

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[why]
The fontname for Windows can be quite unusable, for example
  `CaskaydiaCoveNerdFontCompleteM-`
for several different fonts, as this is the maximum allowed length of 31
characters that is enforced.

The style/weight is completely lost.

[how]
Split the name into base and style (at a dash `-`) and just shrink the
base name. Result for example:
  `CaskaydiaCoveN-ExtraLightItalic`

Use equal approach for the PostScriptName (although it is less likely
that length limit is ever met).

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>
This commit is contained in:
Fini Jastrow 2022-01-10 13:23:52 +01:00 committed by Fini
parent 0b33b2f97e
commit 6be4335a59
2 changed files with 48 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
bin/scripts/name_parser/FontnameParser.py
View File

@ -23,12 +23,23 @@ class FontnameParser:
self.rest = self._rest
self.add_name_substitution_table(FontnameTools.SIL_TABLE)
def _make_ps_mame(self, n):
def _make_ps_name(self, n, is_family):
"""Helper to limit font name length in PS names"""
if self.for_windows and len(n) > 31:
print('Shortening too long PS family name')
return n[:31]
return n
fam = 'family ' if is_family else ''
if not self.for_windows or len(n) <= 31:
return n
r = re.search('(.*)(-.*)', n)
if not r:
new_n = n[:31]
else:
q = 31 - len(r.groups()[1])
if q < 1:
q = 1
print('Shortening too long PS {}name: Garbage warning'. format(fam))
new_n = r.groups()[0][:q] + r.groups()[1]
if new_n != n:
print('Shortening too long PS {}name: {} -> {}'.format(fam, n, new_n))
return new_n
def _shortened_name(self):
"""Return a blank free basename-rest combination"""
@ -172,9 +183,13 @@ class FontnameParser:
sub = FontnameTools.camel_casify(FontnameTools.concat(self.weight_token, self.style_token))
if len(sub) > 0:
sub = '-' + sub
out = FontnameTools.postscript_char_filter(fam + sub)
fam = FontnameTools.postscript_char_filter(fam)
sub = FontnameTools.postscript_char_filter(sub)
# The name string must be no longer than 63 characters
return out[:63]
if len(fam) + len(sub) > 63:
print('Shortening too long PostScriptName')
fam = fam[:(63 - len(sub))]
return fam + sub
def preferred_family(self):
"""Get the SFNT Preferred Familyname (ID 16)"""
@ -218,7 +233,7 @@ class FontnameParser:
def ps_familyname(self):
"""Get the PS Familyname"""
return self._make_ps_mame(self.family())
return self._make_ps_name(self.family(), True)
def ps_fontname(self):
"""Get the PS fontname"""
@ -226,7 +241,7 @@ class FontnameParser:
# if len(n) > 29:
# print('Shortening too long PS fontname')
# return n[:29]
return self._make_ps_mame(self.psname())
return self._make_ps_name(self.psname(), False)
def macstyle(self, style):
"""Modify a given macStyle value for current name, just bits 0 and 1 touched"""

33
font-patcher
View File

@ -343,12 +343,23 @@ class FontnameParser:
self.rest = self._rest
self.add_name_substitution_table(FontnameTools.SIL_TABLE)
def _make_ps_mame(self, n):
def _make_ps_name(self, n, is_family):
"""Helper to limit font name length in PS names"""
if self.for_windows and len(n) > 31:
print('Shortening too long PS family name')
return n[:31]
return n
fam = 'family ' if is_family else ''
if not self.for_windows or len(n) <= 31:
return n
r = re.search('(.*)(-.*)', n)
if not r:
new_n = n[:31]
else:
q = 31 - len(r.groups()[1])
if q < 1:
q = 1
print('Shortening too long PS {}name: Garbage warning'. format(fam))
new_n = r.groups()[0][:q] + r.groups()[1]
if new_n != n:
print('Shortening too long PS {}name: {} -> {}'.format(fam, n, new_n))
return new_n
def _shortened_name(self):
"""Return a blank free basename-rest combination"""
@ -492,9 +503,13 @@ class FontnameParser:
sub = FontnameTools.camel_casify(FontnameTools.concat(self.weight_token, self.style_token))
if len(sub) > 0:
sub = '-' + sub
out = FontnameTools.postscript_char_filter(fam + sub)
fam = FontnameTools.postscript_char_filter(fam)
sub = FontnameTools.postscript_char_filter(sub)
# The name string must be no longer than 63 characters
return out[:63]
if len(fam) + len(sub) > 63:
print('Shortening too long PostScriptName')
fam = fam[:(63 - len(sub))]
return fam + sub
def preferred_family(self):
"""Get the SFNT Preferred Familyname (ID 16)"""
@ -538,7 +553,7 @@ class FontnameParser:
def ps_familyname(self):
"""Get the PS Familyname"""
return self._make_ps_mame(self.family())
return self._make_ps_name(self.family(), True)
def ps_fontname(self):
"""Get the PS fontname"""
@ -546,7 +561,7 @@ class FontnameParser:
# if len(n) > 29:
# print('Shortening too long PS fontname')
# return n[:29]
return self._make_ps_mame(self.psname())
return self._make_ps_name(self.psname(), False)
def macstyle(self, style):
"""Modify a given macStyle value for current name, just bits 0 and 1 touched"""