197 lines
6.4 KiB
Python
197 lines
6.4 KiB
Python
import sys, os, os.path, re, argparse
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import defcon
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from multiprocessing import Pool
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from fontTools.designspaceLib import DesignSpaceDocument
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from ufo2ft.filters import loadFilters
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from datetime import datetime
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sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), 'tools')))
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from common import getGitHash, getVersion
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from postprocess_instance_ufo import ufo_set_wws
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OPT_EDITABLE = False # --editable
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def update_version(ufo):
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version = getVersion()
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buildtag, buildtagErrs = getGitHash()
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now = datetime.utcnow()
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if buildtag == "" or len(buildtagErrs) > 0:
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buildtag = "src"
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print("warning: getGitHash() failed: %r" % buildtagErrs, file=sys.stderr)
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versionMajor, versionMinor = [int(num) for num in version.split(".")]
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ufo.info.versionMajor = versionMajor
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ufo.info.versionMinor = versionMinor
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ufo.info.year = now.year
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ufo.info.openTypeNameVersion = "Version %d.%03d;git-%s" % (versionMajor, versionMinor, buildtag)
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psFamily = re.sub(r'\s', '', ufo.info.familyName)
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psStyle = re.sub(r'\s', '', ufo.info.styleName)
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ufo.info.openTypeNameUniqueID = "%s-%s:%d:%s" % (psFamily, psStyle, now.year, buildtag)
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ufo.info.openTypeHeadCreated = now.strftime("%Y/%m/%d %H:%M:%S")
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def fix_opsz_range(designspace):
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# TODO: find extremes by looking at the source
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for a in designspace.axes:
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if a.tag == "opsz":
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a.minimum = 14
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a.maximum = 32
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break
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return designspace
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def fix_wght_range(designspace):
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for a in designspace.axes:
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if a.tag == "wght":
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a.minimum = 100
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a.maximum = 900
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break
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return designspace
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def should_decompose_glyph(g):
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if not g.components or len(g.components) == 0:
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return False
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# Does the component have non-trivial transformation? (i.e. scaled or skewed)
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# Example of no transformation: (identity matrix)
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# (1, 0, 0, 1, 0, 0) no scale or offset
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# Example of simple offset transformation matrix:
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# (1, 0, 0, 1, 20, 30) 20 x offset, 30 y 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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# Matrix order:
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# (x_scale, x_skew, y_skew, y_scale, x_offs, y_offs)
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for cn in g.components:
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# if g.name == 'dotmacron.lc':
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# print(f"{g.name} cn {cn.baseGlyph}", cn.transformation)
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# Check if transformation is not identity (ignoring x & y offset)
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m = cn.transformation
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if m[0] + m[1] + m[2] + m[3] != 2.0:
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return True
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return False
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def copy_component_anchors(font, g):
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# do nothing if there are no components or if g has anchors already
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if not g.components or len(g.anchors) > 0:
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return
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anchor_names = set()
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for cn in g.components:
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if cn.transformation[1] != 0.0 or cn.transformation[2] != 0.0:
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print(f"TODO: support transformations with skew ({g.name})")
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return
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cn_g = font[cn.baseGlyph]
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copy_component_anchors(font, cn_g) # depth first
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for a in cn_g.anchors:
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# Check if there are multiple components with achors with the same name.
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# Don't copy any anchors if there are duplicate "_..." anchors
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if a.name in anchor_names and len(a.name) > 1 and a.name[0] == '_':
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return
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anchor_names.add(a.name)
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if len(anchor_names) == 0:
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return
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anchor_names.clear()
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for cn in g.components:
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for a in font[cn.baseGlyph].anchors:
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if a.name in anchor_names:
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continue
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anchor_names.add(a.name)
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a2 = defcon.Anchor(glyph=g, anchorDict=a.copy())
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m = cn.transformation # (x_scale, x_skew, y_skew, y_scale, x_offs, y_offs)
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a2.x += m[4] * m[0]
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a2.y += m[5] * m[3]
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g.appendAnchor(a2)
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def find_glyphs_to_decompose(designspace_source):
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glyph_names = set()
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# print("find_glyphs_to_decompose inspecting %r" % designspace_source.name)
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font = defcon.Font(designspace_source.path)
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for g in font:
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copy_component_anchors(font, g)
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if should_decompose_glyph(g):
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glyph_names.add(g.name)
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font.save(designspace_source.path)
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return list(glyph_names)
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def set_ufo_filter(ufo, **filter_dict):
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filters = ufo.lib.setdefault("com.github.googlei18n.ufo2ft.filters", [])
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for i in range(len(filters)):
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if filters[i].get("name") == filter_dict["name"]:
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filters[i] = filter_dict
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return
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filters.append(filter_dict)
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def del_ufo_filter(ufo, name):
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filters = ufo.lib.get("com.github.googlei18n.ufo2ft.filters")
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if not filters:
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return
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for i in range(len(filters)):
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if filters[i].get("name") == name:
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filters.pop(i)
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return
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def update_source_ufo(ufo_file, glyphs_to_decompose):
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print(f"update {os.path.basename(ufo_file)}")
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ufo = defcon.Font(ufo_file)
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update_version(ufo)
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set_ufo_filter(ufo, name="decomposeComponents", include=glyphs_to_decompose)
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# decompose now, up front, instead of later when compiling fonts
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if not OPT_EDITABLE:
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preFilters, postFilters = loadFilters(ufo)
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for filter in preFilters:
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filter(ufo)
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for filter in postFilters:
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filter(ufo)
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# del_ufo_filter(ufo, "decomposeComponents")
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del ufo.lib["com.github.googlei18n.ufo2ft.filters"]
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ufo_set_wws(ufo) # Fix missing WWS entries for Display fonts
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ufo.save(ufo_file)
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def update_sources(designspace):
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with Pool() as p:
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sources = [source for source in designspace.sources]
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# sources = [s for s in sources if s.name == "Inter Thin"] # DEBUG
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glyphs_to_decompose = set()
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for glyph_names in p.map(find_glyphs_to_decompose, sources):
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glyphs_to_decompose.update(glyph_names)
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glyphs_to_decompose = list(glyphs_to_decompose)
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# print("glyphs marked to be decomposed: %s" % ', '.join(glyphs_to_decompose))
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source_files = list(set([s.path for s in sources]))
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p.starmap(update_source_ufo, [(path, glyphs_to_decompose) for path in source_files])
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return designspace
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def main(argv):
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ap = argparse.ArgumentParser(description=
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'Fixup designspace and source UFOs after they are generated by fontmake from Glyphs source')
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ap.add_argument('--editable', action='store_true',
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help="Generate UFOs suitable for further editing (don't apply filters)")
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ap.add_argument("designspace", help="Path to designspace file")
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args = ap.parse_args()
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OPT_EDITABLE = args.editable
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designspace = DesignSpaceDocument.fromfile(args.designspace)
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designspace = fix_opsz_range(designspace)
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designspace = fix_wght_range(designspace)
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designspace = update_sources(designspace)
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designspace.write(args.designspace)
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if __name__ == '__main__':
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main(sys.argv)
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