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152 lines
4.9 KiB
Python
152 lines
4.9 KiB
Python
from fontTools.ttLib import TTFont
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from .util import loadTTFont
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import os, sys, re
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# Adoptation of fonttools/blob/master/Snippets/rename-fonts.py
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WINDOWS_ENGLISH_IDS = 3, 1, 0x409
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MAC_ROMAN_IDS = 1, 0, 0
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LEGACY_FAMILY = 1
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TRUETYPE_UNIQUE_ID = 3
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FULL_NAME = 4
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POSTSCRIPT_NAME = 6
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PREFERRED_FAMILY = 16
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SUBFAMILY_NAME = 17
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WWS_FAMILY = 21
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FAMILY_RELATED_IDS = set([
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LEGACY_FAMILY,
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TRUETYPE_UNIQUE_ID,
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FULL_NAME,
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POSTSCRIPT_NAME,
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PREFERRED_FAMILY,
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WWS_FAMILY,
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])
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whitespace_re = re.compile(r'\s+')
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def removeWhitespace(s):
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return whitespace_re.sub("", s)
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def setFullName(font, fullName):
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nameTable = font["name"]
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nameTable.setName(fullName, FULL_NAME, 1, 0, 0) # mac
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nameTable.setName(fullName, FULL_NAME, 3, 1, 0x409) # windows
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nameTable.setName(fullName, POSTSCRIPT_NAME, 1, 0, 0) # mac
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nameTable.setName(fullName, POSTSCRIPT_NAME, 3, 1, 0x409) # windows
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def getFamilyName(font):
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nameTable = font["name"]
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r = None
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for plat_id, enc_id, lang_id in (WINDOWS_ENGLISH_IDS, MAC_ROMAN_IDS):
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for name_id in (PREFERRED_FAMILY, LEGACY_FAMILY):
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r = nameTable.getName(nameID=name_id, platformID=plat_id, platEncID=enc_id, langID=lang_id)
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if r is not None:
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break
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if r is not None:
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break
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if not r:
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raise ValueError("family name not found")
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return r.toUnicode()
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def renameStylesGoogleFonts(font):
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familyName = getFamilyName(font)
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# collect subfamily (style) name IDs for variable font's named instances
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vfInstanceSubfamilyNameIds = set()
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if "fvar" in font:
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for namedInstance in font["fvar"].instances:
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vfInstanceSubfamilyNameIds.add(namedInstance.subfamilyNameID)
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nameTable = font["name"]
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for rec in nameTable.names:
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rid = rec.nameID
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if rid in (FULL_NAME, LEGACY_FAMILY):
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# style part of family name
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s = rec.toUnicode()
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start = s.find(familyName)
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if start != -1:
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s = familyName + " " + removeWhitespace(s[start + len(familyName):])
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else:
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s = removeWhitespace(s)
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if s != "Italic" and s.endswith("Italic"):
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# fixup e.g. "ExtraBoldItalic" -> "ExtraBold Italic"
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s = s[:len(s) - len("Italic")] + " Italic"
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rec.string = s.strip()
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if rid in (SUBFAMILY_NAME,) or rid in vfInstanceSubfamilyNameIds:
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s = removeWhitespace(rec.toUnicode())
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if s != "Italic" and s.endswith("Italic"):
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# fixup e.g. "ExtraBoldItalic" -> "ExtraBold Italic"
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s = s[:len(s) - len("Italic")] + " Italic"
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rec.string = s.strip()
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# else: ignore standard names unrelated to style
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def setFamilyName(font, nextFamilyName):
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prevFamilyName = getFamilyName(font)
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if prevFamilyName == nextFamilyName:
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return
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# raise Exception("identical family name")
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def renameRecord(nameRecord, prevFamilyName, nextFamilyName):
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# replaces prevFamilyName with nextFamilyName in nameRecord
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s = nameRecord.toUnicode()
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start = s.find(prevFamilyName)
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if start != -1:
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end = start + len(prevFamilyName)
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nextFamilyName = s[:start] + nextFamilyName + s[end:]
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nameRecord.string = nextFamilyName
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return s, nextFamilyName
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# postcript name can't contain spaces
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psPrevFamilyName = prevFamilyName.replace(" ", "")
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psNextFamilyName = nextFamilyName.replace(" ", "")
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for rec in font["name"].names:
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name_id = rec.nameID
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if name_id not in FAMILY_RELATED_IDS:
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# leave uninteresting records unmodified
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continue
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if name_id == POSTSCRIPT_NAME:
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old, new = renameRecord(rec, psPrevFamilyName, psNextFamilyName)
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elif name_id == TRUETYPE_UNIQUE_ID:
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# The Truetype Unique ID rec may contain either the PostScript Name or the Full Name
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if psPrevFamilyName in rec.toUnicode():
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# Note: This is flawed -- a font called "Foo" renamed to "Bar Lol";
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# if this record is not a PS record, it will incorrectly be rename "BarLol".
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# However, in practice this is not abig deal since it's just an ID.
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old, new = renameRecord(rec, psPrevFamilyName, psNextFamilyName)
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else:
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old, new = renameRecord(rec, prevFamilyName, nextFamilyName)
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else:
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old, new = renameRecord(rec, prevFamilyName, nextFamilyName)
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# print(" %r: '%s' -> '%s'" % (rec, old, new))
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# def renameFontFamily(infile, outfile, newFamilyName):
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# font = loadTTFont(infile)
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# setFamilyName(font, newFamilyName)
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# # print('write "%s"' % outfile)
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# font.save(outfile)
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# font.close()
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# def main():
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# infile = "./build/fonts/var/Inter.var.ttf"
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# outfile = "./build/tmp/var2.otf"
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# renameFontFamily(infile, outfile, "Inter V")
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# print("%s familyName: %r" % (infile, getFamilyName(loadTTFont(infile)) ))
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# print("%s familyName: %r" % (outfile, getFamilyName(loadTTFont(outfile)) ))
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# if __name__ == "__main__":
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# sys.exit(main())
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# Similar to:
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# ttx -i -e -o ./build/tmp/var.ttx ./build/fonts/var/Inter.var.ttf
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# ttx -b --no-recalc-timestamp -o ./build/tmp/var.otf ./build/tmp/var.ttx
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