mirror of
https://github.com/rsms/inter.git
synced 2024-12-26 17:12:35 +03:00
84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
#
|
|
# This script changes the width of any glyph which width is not an even multiple of 256.
|
|
# For glyphs that are updated, the shape(s) inside the glyph are centered as well.
|
|
#
|
|
from mojo.roboFont import version
|
|
from math import ceil, floor
|
|
|
|
if __name__ == "__main__":
|
|
font = CurrentFont()
|
|
print "Fitting glyphs to EM grid at 256 %r" % font
|
|
|
|
# Strategy to use for centering a glyph when resizing its EM:
|
|
# "center" Ignore existing margins and center in EM at on integer units.
|
|
# "adjust-margins" Attempt to retain existing margins w/o centering inside EM.
|
|
centeringStrategy = 'center'
|
|
|
|
if font is not None:
|
|
for g in font:
|
|
# only consider adjusting the listed glyphs
|
|
# if g.unicode not in (0x212B, 0x005A, 0x0387):
|
|
# continue
|
|
|
|
if g.width < 2:
|
|
# ignore zero width glyph
|
|
# print 'ignoring %r -- zero width' % g
|
|
continue
|
|
|
|
if g.width % 256 == 0:
|
|
# ignore already aligned glyph
|
|
# print 'ignoring %r -- already aligned' % g
|
|
continue
|
|
|
|
width = g.width
|
|
if g.rightMargin < 128:
|
|
width = ceil(width / 256) * 256
|
|
else:
|
|
width = round(width / 256) * 256
|
|
|
|
# center glyph in EM
|
|
leftMargin = g.leftMargin
|
|
rightMargin = g.rightMargin
|
|
|
|
if centeringStrategy == 'adjust-margins':
|
|
# Adjust margins to place the glyph in the center while retaining original
|
|
# left/right margins.
|
|
widthDelta = width - g.width
|
|
leftMargin = g.leftMargin + int(floor(widthDelta / 2))
|
|
rightMargin = g.rightMargin + int(ceil(widthDelta / 2))
|
|
elif centeringStrategy == 'center':
|
|
# Read g.box (effective bounds of the glyph) and truly center the
|
|
# glyph, but we could run the risk of losing some intentionally-left or right
|
|
# aligned glyph, e.g. "|x |" -> "| x |"
|
|
if g.box is not None:
|
|
xMin, yMin, xMax, yMax = g.box
|
|
graphicWidth = xMax - xMin
|
|
leftMargin = round((width - graphicWidth) / 2)
|
|
else:
|
|
print 'Unexpected centeringStrategy value'
|
|
break
|
|
|
|
# log message
|
|
uniname = ''
|
|
if g.unicode is not None:
|
|
uniname = ' U+%04X' % g.unicode
|
|
print 'Adjusting "%s"%s from %g to %g' % (g.name, uniname, g.width, width)
|
|
|
|
# write changes to glyph
|
|
g.lib['interface.gridadjust.original'] = repr({
|
|
"rightMargin": g.rightMargin,
|
|
"leftMargin": g.leftMargin,
|
|
"width": g.width,
|
|
})
|
|
|
|
# order of assignment is probably important
|
|
g.rightMargin = int(rightMargin)
|
|
g.leftMargin = int(leftMargin)
|
|
g.width = int(width)
|
|
|
|
font.update()
|
|
else:
|
|
print "No fonts open"
|
|
|
|
print "Done"
|