mirror of
https://github.com/rsms/inter.git
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660 lines
21 KiB
Python
Executable File
660 lines
21 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import print_function, absolute_import
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import sys, os
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from os.path import dirname, basename, abspath, relpath, join as pjoin
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sys.path.append(abspath(pjoin(dirname(__file__), 'tools')))
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from common import BASEDIR, VENVDIR, getGitHash, getVersion
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import argparse
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import datetime
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import errno
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import glyphsLib
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import logging
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import re
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import signal
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import subprocess
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from functools import partial
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from fontmake.font_project import FontProject
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from fontTools import designspaceLib
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from fontTools import varLib
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from fontTools.misc.transform import Transform
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from fontTools.pens.transformPen import TransformPen
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from fontTools.pens.reverseContourPen import ReverseContourPen
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from glyphsLib.interpolation import apply_instance_data
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from mutatorMath.ufo.document import DesignSpaceDocumentReader
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from multiprocessing import Process, Queue
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log = logging.getLogger(__name__)
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stripItalic_re = re.compile(r'(?:^|\b)italic(?:\b|$)', re.I | re.U)
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def stripItalic(name):
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return stripItalic_re.sub('', name.strip())
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def sighandler(signum, frame):
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sys.stdout.write('\n')
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sys.stdout.flush()
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sys.exit(1)
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def mkdirs(path):
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try:
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os.makedirs(path)
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except OSError as e:
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if e.errno != errno.EEXIST:
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raise # raises the error again
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def fatal(msg):
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print(sys.argv[0] + ': ' + msg, file=sys.stderr)
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sys.exit(1)
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def composedGlyphIsNonTrivial(g, yAxisIsNonTrivial=False):
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# A non-trivial glyph is one that is composed from either multiple
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# components or that uses component transformations.
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# If yAxisIsNonTrivial is true, then any transformation over the Y axis
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# is be considered non-trivial.
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if g.components and len(g.components) > 0:
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if len(g.components) > 1:
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return True
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for c in g.components:
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# has non-trivial transformation? (i.e. scaled)
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# Example of optimally trivial transformation:
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# (1, 0, 0, 1, 0, 0) no scale or offset
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# Example of scaled transformation matrix:
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# (-1.0, 0, 0.3311, 1, 1464.0, 0) flipped x axis, sheered and offset
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#
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xScale, xyScale, yxScale, yScale, xOffset, yOffset = c.transformation
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if xScale != 1 or xyScale != 0 or yxScale != 0 or yScale != 1:
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return True
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if yAxisIsNonTrivial and yOffset != 0:
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return True
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return False
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class VarFontProject(FontProject):
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def decompose_glyphs(self, ufos, glyph_filter=lambda g: True):
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"""Move components of UFOs' glyphs to their outlines."""
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for ufo in ufos:
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log.info('Decomposing glyphs for ' + self._font_name(ufo))
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for glyph in ufo:
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if not glyph.components or not glyph_filter(glyph):
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continue
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self._deep_copy_contours(ufo, glyph, glyph, Transform())
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glyph.clearComponents()
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def _deep_copy_contours(self, ufo, parent, component, transformation):
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"""Copy contours from component to parent, including nested components."""
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for nested in component.components:
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self._deep_copy_contours(
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ufo, parent, ufo[nested.baseGlyph],
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transformation.transform(nested.transformation))
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if component != parent:
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pen = TransformPen(parent.getPen(), transformation)
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# if the transformation has a negative determinant, it will reverse
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# the contour direction of the component
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xx, xy, yx, yy = transformation[:4]
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if xx*yy - xy*yx < 0:
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pen = ReverseContourPen(pen)
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component.draw(pen)
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def build_interpolatable_ttfs(self, ufos, **kwargs):
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"""Build OpenType binaries with interpolatable TrueType outlines."""
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# We decompose any glyph with two or more components to make sure
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# that fontTools varLib is able to produce properly-slanting interpolation.
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decomposeGlyphs = set()
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for ufo in ufos:
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isItalic = ufo.info.italicAngle != 0
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for glyph in ufo:
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if glyph.components and composedGlyphIsNonTrivial(glyph, yAxisIsNonTrivial=isItalic):
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decomposeGlyphs.add(glyph.name)
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self.decompose_glyphs(ufos, lambda g: g.name in decomposeGlyphs)
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self.save_otfs(ufos, ttf=True, interpolatable=True, **kwargs)
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# setFontInfo patches font.info
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#
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def setFontInfo(font, weight, updateCreated=True):
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#
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# For UFO3 names, see
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# https://github.com/unified-font-object/ufo-spec/blob/gh-pages/versions/
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# ufo3/fontinfo.plist.md
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# For OpenType NAME table IDs, see
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# https://docs.microsoft.com/en-us/typography/opentype/spec/name#name-ids
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#
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version = getVersion()
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buildtag = getGitHash()
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versionMajor, versionMinor = [int(num) for num in version.split(".")]
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now = datetime.datetime.utcnow()
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family = font.info.familyName # i.e. "Inter UI"
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style = font.info.styleName # e.g. "Medium Italic"
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isitalic = font.info.italicAngle != 0
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# weight
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font.info.openTypeOS2WeightClass = weight
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# creation date & time (YYYY/MM/DD HH:MM:SS)
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if updateCreated:
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font.info.openTypeHeadCreated = now.strftime("%Y/%m/%d %H:%M:%S")
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# version
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font.info.version = version
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font.info.versionMajor = versionMajor
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font.info.versionMinor = versionMinor
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font.info.woffMajorVersion = versionMajor
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font.info.woffMinorVersion = versionMinor
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font.info.year = now.year
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font.info.openTypeNameVersion = "%s;%s" % (version, buildtag)
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font.info.openTypeNameUniqueID = "%s %s:%d:%s" % (family, style, now.year, buildtag)
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# Names
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family_nosp = re.sub(r'\s', '', family)
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style_nosp = re.sub(r'\s', '', style)
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font.info.macintoshFONDName = "%s %s" % (family_nosp, style_nosp)
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font.info.postscriptFontName = "%s-%s" % (family_nosp, style_nosp)
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# name ID 16 "Typographic Family name"
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font.info.openTypeNamePreferredFamilyName = family
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# name ID 17 "Typographic Subfamily name"
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font.info.openTypeNamePreferredSubfamilyName = style
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# name ID 1 "Family name" (legacy, but required)
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# Restriction:
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# "shared among at most four fonts that differ only in weight or style"
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# So we map as follows:
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# - Regular => "Family", ("regular" | "italic" | "bold" | "bold italic")
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# - Medium => "Family Medium", ("regular" | "italic")
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# - Black => "Family Black", ("regular" | "italic")
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# and so on.
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subfamily = stripItalic(style).strip() # "A Italic" => "A", "A" => "A"
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if len(subfamily) == 0:
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subfamily = "Regular"
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subfamily_lc = subfamily.lower()
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if subfamily_lc == "regular" or subfamily_lc == "bold":
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font.info.styleMapFamilyName = family
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# name ID 2 "Subfamily name" (legacy, but required)
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# Value must be one of: "regular", "italic", "bold", "bold italic"
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if subfamily_lc == "regular":
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if isitalic:
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font.info.styleMapStyleName = "italic"
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else:
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font.info.styleMapStyleName = "regular"
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else: # bold
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if isitalic:
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font.info.styleMapStyleName = "bold italic"
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else:
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font.info.styleMapStyleName = "bold"
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else:
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font.info.styleMapFamilyName = (family + ' ' + subfamily).strip()
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# name ID 2 "Subfamily name" (legacy, but required)
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if isitalic:
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font.info.styleMapStyleName = "italic"
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else:
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font.info.styleMapStyleName = "regular"
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class Main(object):
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def __init__(self):
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self.tmpdir = pjoin(BASEDIR,'build','tmp')
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self.quiet = False
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self.logLevelName = 'WARNING'
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def log(self, msg):
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if not self.quiet:
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print(msg)
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def main(self, argv):
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# make ^C instantly exit program
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signal.signal(signal.SIGINT, sighandler)
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argparser = argparse.ArgumentParser(
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description='',
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usage='''
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%(prog)s [options] <command> [<args>]
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Commands:
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compile Build font files
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compile-var Build variable font files
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glyphsync Generate designspace and UFOs from Glyphs file
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instancegen Generate instance UFOs for designspace
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'''.strip().replace('\n ', '\n'))
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argparser.add_argument('-v', '--verbose', action='store_true',
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help='Print more details')
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argparser.add_argument('--debug', action='store_true',
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help='Print lots of details')
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argparser.add_argument('-q', '--quiet', action='store_true',
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help='Only print errors')
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argparser.add_argument('-C', metavar='<dir>', dest='chdir',
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help='Run as if %(prog)s started in <dir> instead of the '+\
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'current working directory.')
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argparser.add_argument('command', metavar='<command>')
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# search past base arguments
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i = 1
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while i < len(argv) and argv[i][0] == '-':
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i = i + 1
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i = i + 1
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# parse CLI arguments
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args = argparser.parse_args(argv[1:i])
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if args.quiet:
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self.quiet = True
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if args.debug:
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fatal("--quiet and --debug are mutually exclusive arguments")
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if args.verbose:
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fatal("--quiet and --verbose are mutually exclusive arguments")
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elif args.debug:
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logging.basicConfig(level=logging.DEBUG)
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self.logLevelName = 'DEBUG'
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elif args.verbose:
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logging.basicConfig(level=logging.INFO)
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self.logLevelName = 'INFO'
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else:
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logging.basicConfig(level=logging.WARNING)
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self.logLevelName = 'WARNING'
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if args.chdir:
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os.chdir(args.chdir)
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cmd = 'cmd_' + args.command.replace('-', '_')
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if not hasattr(self, cmd):
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fatal('Unrecognized command %s. Try --help' % args.command)
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getattr(self, cmd)(argv[i:])
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def cmd_compile_var(self, argv):
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argparser = argparse.ArgumentParser(
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usage='%(prog)s compile-var [-h] [-o <file>] <designspace>',
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description='Compile variable font file')
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argparser.add_argument('srcfile', metavar='<designspace>',
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help='Source file (.designspace file)')
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argparser.add_argument('-o', '--output', metavar='<fontfile>',
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help='Output font file')
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args = argparser.parse_args(argv)
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# decide output filename (or check user-provided name)
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outfilename = args.output
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if outfilename is None or outfilename == '':
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outfilename = os.path.splitext(basename(args.srcfile))[0] + '.var.ttf'
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log.info('setting --output %r' % outfilename)
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else:
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outfileext = os.path.splitext(outfilename)[1]
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if outfileext.lower() != '.ttf':
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fatal('Invalid file extension %r (expected ".ttf")' % outfileext)
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project = VarFontProject(verbose=self.logLevelName)
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mkdirs(dirname(outfilename))
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project.run_from_designspace(
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args.srcfile,
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interpolate=False,
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masters_as_instances=False,
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round_instances=True,
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output_path=outfilename,
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output=['variable'],
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subroutinize=True,
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overlaps_backend='pathops', # use Skia's pathops
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)
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self.log("write %s" % outfilename)
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# Note: we can't run ots-sanitize on the generated file as OTS
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# currently doesn't support variable fonts.
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def cmd_compile(self, argv):
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argparser = argparse.ArgumentParser(
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usage='%(prog)s compile [-h] [-o <file>] <ufo>',
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description='Compile font files')
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argparser.add_argument('srcfile', metavar='<ufo>',
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help='Source file (.ufo file)')
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argparser.add_argument('-o', '--output', metavar='<fontfile>',
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help='Output font file (.otf, .ttf or .ufo)')
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argparser.add_argument('--validate', action='store_true',
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help='Enable ufoLib validation on reading/writing UFO files')
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args = argparser.parse_args(argv)
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ext_to_format = {
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'.ufo': 'ufo',
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'.otf': 'otf',
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'.ttf': 'ttf',
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# non-filename mapping targets: (kept for completeness)
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# 'ttf-interpolatable',
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# 'variable',
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}
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# decide output filename
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outfilename = args.output
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if outfilename is None or outfilename == '':
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outfilename = os.path.splitext(basename(args.srcfile))[0] + '.otf'
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log.info('setting --output %r' % outfilename)
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# build formats list from filename extension
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formats = []
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# for outfilename in args.outputs:
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ext = os.path.splitext(outfilename)[1]
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ext_lc = ext.lower()
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if ext_lc in ext_to_format:
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formats.append(ext_to_format[ext_lc])
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else:
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fatal('Unsupported output format %s' % ext)
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# temp file to write to
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tmpfilename = pjoin(self.tmpdir, basename(outfilename))
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mkdirs(self.tmpdir)
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project = FontProject(verbose=self.logLevelName, validate_ufo=args.validate)
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# run fontmake to produce OTF/TTF file at tmpfilename
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project.run_from_ufos(
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[args.srcfile],
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output_path=tmpfilename,
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output=formats,
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subroutinize=True,
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overlaps_backend='pathops', # use Skia's pathops
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)
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# TODO: if outfile is a ufo, simply move it to outfilename instead
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# of running ots-sanitize
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# Run ots-sanitize on produced OTF/TTF file and write sanitized version
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# to outfilename
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self._ots_sanitize(tmpfilename, outfilename)
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def _ots_sanitize(self, tmpfilename, outfilename):
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# run through ots-sanitize
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# for filename in args.output:
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tmpfile = pjoin(self.tmpdir, tmpfilename)
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mkdirs(dirname(outfilename))
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success = True
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try:
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self.log("write %s" % outfilename)
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otssan_res = subprocess.check_output(
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['ots-sanitize', tmpfile, outfilename],
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# ['cp', tmpfile, outfilename],
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shell=False
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).strip()
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# Note: ots-sanitize does not exit with an error in many cases where
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# it fails to sanitize the font.
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success = otssan_res.find('Failed') == -1
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except:
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success = False
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otssan_res = 'error'
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if success:
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os.unlink(tmpfile)
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else:
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fatal('ots-sanitize failed for %s: %s' % (tmpfile, otssan_res))
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def _glyphsyncWriteUFO(self, font, weight, ufo_path):
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# fixup font info
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setFontInfo(font, weight, updateCreated=False)
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# cleanup lib
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lib = dict()
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for key, value in font.lib.iteritems():
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if key.startswith('com.schriftgestaltung'):
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continue
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if key == 'public.postscriptNames':
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continue
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lib[key] = value
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font.lib.clear()
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font.lib.update(lib)
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# remove all but the primary (default) layer
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layers = font.layers
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defaultLayer = layers.defaultLayer
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delLayerNames = set()
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for layer in layers:
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if layer != defaultLayer:
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delLayerNames.add(layer.name)
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for layerName in delLayerNames:
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del layers[layerName]
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# clear anchors
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for g in font:
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g.clearAnchors()
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del g.lib['com.schriftgestaltung.Glyphs.lastChange']
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# write UFO file
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self.log("write %s" % relpath(ufo_path, os.getcwd()))
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font.save(ufo_path)
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def cmd_glyphsync(self, argv):
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argparser = argparse.ArgumentParser(
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usage='%(prog)s glyphsync <glyphsfile> [options]',
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description='Generates designspace and UFOs from Glyphs file')
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argparser.add_argument('glyphsfile', metavar='<glyphsfile>',
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help='Glyphs source file')
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argparser.add_argument('-o', '--outdir', metavar='<dir>',
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help='''Write output to <dir>. If omitted, designspace and UFOs are
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written to the directory of the glyphs file.
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'''.strip().replace('\n ', ''))
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args = argparser.parse_args(argv)
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outdir = args.outdir
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if outdir is None:
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outdir = dirname(args.glyphsfile)
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# files
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master_dir = outdir
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glyphsfile = args.glyphsfile
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designspace_file = pjoin(outdir, 'Inter-UI.designspace')
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instance_dir = pjoin(BASEDIR, 'build', 'ufo')
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# load glyphs project file
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self.log("generating %s from %s" % (
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relpath(designspace_file, os.getcwd()),
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relpath(glyphsfile, os.getcwd())
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))
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font = glyphsLib.GSFont(glyphsfile)
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# generate designspace from glyphs project
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designspace = glyphsLib.to_designspace(
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font,
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propagate_anchors=False,
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instance_dir=relpath(instance_dir, master_dir)
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)
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# strip lib data
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designspace.lib.clear()
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# patch and write UFO files
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# TODO: Only write out-of-date UFOs
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procs = []
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q = Queue()
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for source in designspace.sources:
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# source : fontTools.designspaceLib.SourceDescriptor
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# source.font : defcon.objects.font.Font
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ufo_path = pjoin(master_dir, source.filename.replace('InterUI', 'Inter-UI'))
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|
# no need to also set the relative 'filename' attribute as that
|
|
# will be auto-updated on writing the designspace document
|
|
if source.styleName == "Italic Italic":
|
|
# Workaround for Glyphs limitation
|
|
# (Base italic master can't be called just Italic, so it's called
|
|
# "Italic Italic" which is converted here to just "Italic")
|
|
ufo_path = pjoin(master_dir, 'Inter-UI-Italic.ufo')
|
|
source.styleName = "Italic"
|
|
source.name = "italic"
|
|
source.font.info.styleName = source.styleName
|
|
elif source.styleName == "Black Italic Italic":
|
|
ufo_path = pjoin(master_dir, 'Inter-UI-BlackItalic.ufo')
|
|
source.styleName = "Black Italic"
|
|
source.name = "blackitalic"
|
|
source.font.info.styleName = source.styleName
|
|
else:
|
|
# name "Inter UI Black" => "black"
|
|
source.name = source.styleName.lower().replace(' ', '')
|
|
|
|
source.path = ufo_path
|
|
weight = int(source.location['Weight'])
|
|
|
|
p = Process(
|
|
target=self._glyphsyncWriteUFO,
|
|
args=(source.font, weight, ufo_path)
|
|
)
|
|
p.start()
|
|
procs.append(p)
|
|
|
|
# patch instance names
|
|
for instance in designspace.instances:
|
|
# name "Inter UI Black Italic" => "blackitalic"
|
|
instance.name = instance.styleName.lower().replace(' ', '')
|
|
instance.filename = instance.filename.replace('InterUI', 'Inter-UI')
|
|
|
|
self.log("write %s" % relpath(designspace_file, os.getcwd()))
|
|
designspace.write(designspace_file)
|
|
|
|
for p in procs:
|
|
p.join()
|
|
|
|
|
|
|
|
def cmd_instancegen(self, argv):
|
|
argparser = argparse.ArgumentParser(
|
|
description='Generate UFO instances from designspace')
|
|
|
|
argparser.add_argument('designspacefile', metavar='<designspace>',
|
|
help='Designspace file')
|
|
|
|
argparser.add_argument('instances', metavar='<instance-name>', nargs='*',
|
|
help='Style instances to generate. Omit to generate all.')
|
|
|
|
args = argparser.parse_args(argv)
|
|
|
|
instances = set([s.lower() for s in args.instances])
|
|
all_instances = len(instances) == 0
|
|
|
|
# files
|
|
designspace_file = args.designspacefile
|
|
instance_dir = pjoin(BASEDIR, 'build', 'ufo')
|
|
|
|
# DesignSpaceDocumentReader generates UFOs
|
|
gen = DesignSpaceDocumentReader(
|
|
designspace_file,
|
|
ufoVersion=3,
|
|
roundGeometry=True,
|
|
verbose=True
|
|
)
|
|
|
|
designspace = designspaceLib.DesignSpaceDocument()
|
|
designspace.read(designspace_file)
|
|
|
|
# Generate UFOs for instances
|
|
instance_weight = dict()
|
|
instance_files = set()
|
|
for instance in designspace.instances:
|
|
if all_instances or instance.name in instances:
|
|
filebase = basename(instance.filename)
|
|
relname = relpath(
|
|
pjoin(dirname(designspace_file), instance.filename),
|
|
os.getcwd()
|
|
)
|
|
self.log('generating %s' % relname)
|
|
gen.readInstance(("name", instance.name))
|
|
instance_files.add(instance.filename)
|
|
instance_weight[filebase] = int(instance.location['Weight'])
|
|
if not all_instances:
|
|
instances.remove(instance.name)
|
|
|
|
if len(instances) > 0:
|
|
fatal('unknown style(s): %s' % ', '.join(list(instances)))
|
|
|
|
ufos = apply_instance_data(designspace_file, instance_files)
|
|
|
|
# patch ufos (list of defcon.Font instances)
|
|
italicAngleKey = 'com.schriftgestaltung.customParameter.' +\
|
|
'InstanceDescriptorAsGSInstance.italicAngle'
|
|
for font in ufos:
|
|
# move italicAngle from lib to info
|
|
italicAngle = font.lib.get(italicAngleKey)
|
|
if italicAngle != None:
|
|
italicAngle = float(italicAngle)
|
|
del font.lib[italicAngleKey]
|
|
font.info.italicAngle = italicAngle
|
|
|
|
# clear anchors
|
|
for g in font:
|
|
g.clearAnchors()
|
|
|
|
# update font info
|
|
weight = instance_weight[basename(font.path)]
|
|
setFontInfo(font, weight)
|
|
|
|
font.save()
|
|
|
|
|
|
|
|
def checkfont(self, fontfile):
|
|
try:
|
|
res = subprocess.check_output(
|
|
['ots-idempotent', fontfile],
|
|
shell=False
|
|
).strip()
|
|
# Note: ots-idempotent does not exit with an error in many cases where
|
|
# it fails to sanitize the font.
|
|
if res.find('Failed') != -1:
|
|
log.error('[checkfont] ots-idempotent failed for %r: %s' % (
|
|
fontfile, res))
|
|
return False
|
|
except:
|
|
log.error('[checkfont] ots-idempotent failed for %r' % fontfile)
|
|
return False
|
|
return True
|
|
|
|
|
|
def cmd_checkfont(self, argv):
|
|
argparser = argparse.ArgumentParser(
|
|
usage='%(prog)s checkfont <file> ...',
|
|
description='Verify integrity of font files')
|
|
|
|
argparser.add_argument('files', metavar='<file>', nargs='+',
|
|
help='Font files')
|
|
|
|
args = argparser.parse_args(argv)
|
|
|
|
for fontfile in args.files:
|
|
if not self.checkfont(fontfile):
|
|
sys.exit(1)
|
|
|
|
# could use from multiprocessing import Pool
|
|
# p = Pool(8)
|
|
# p.map(self.checkfont, args.files)
|
|
# p.terminate()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
Main().main(sys.argv)
|