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STAT table with format 1 & 2 records instead of format 3, re #577

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Rasmus Andersson 2023-06-14 08:52:47 -07:00
parent fd99812ed0
commit 1920f75082
1 changed files with 53 additions and 25 deletions
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78
misc/tools/bake-vf.py
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@ -25,6 +25,53 @@ from fontTools.ttLib import TTFont
from fontTools.otlLib.builder import buildStatTable
# stat_axes_format_2 is used for making a STAT table with format 1 & 2 records
def stat_axes_format_2(is_italic):
return [
{ "name": "Optical Size", "tag": "opsz", "ordering": 0, "values": [
dict(nominalValue=14, rangeMinValue=14, rangeMaxValue=21, name="14pt"),
dict(nominalValue=28, rangeMinValue=21, rangeMaxValue=28, name="28pt"),
] },
{ "name": "Weight", "tag": "wght", "ordering": 1, "values": [
dict(nominalValue=100, rangeMinValue=100, rangeMaxValue=150, name="Thin"),
dict(nominalValue=200, rangeMinValue=150, rangeMaxValue=250, name="ExtraLight"),
dict(nominalValue=300, rangeMinValue=250, rangeMaxValue=350, name="Light"),
dict(nominalValue=400, rangeMinValue=350, rangeMaxValue=450, name="Regular",
flags=0x2, linkedValue=660),
dict(nominalValue=500, rangeMinValue=450, rangeMaxValue=540, name="Medium"),
dict(nominalValue=580, rangeMinValue=540, rangeMaxValue=620, name="SemiBold"),
dict(nominalValue=660, rangeMinValue=620, rangeMaxValue=720, name="Bold"),
dict(nominalValue=780, rangeMinValue=720, rangeMaxValue=840, name="ExtraBold"),
dict(nominalValue=900, rangeMinValue=840, rangeMaxValue=900, name="Black"),
] },
{ "name": "Italic", "tag": "ital", "ordering": 2, "values": [
dict(value=1, name="Italic") if is_italic else \
dict(value=0, name="Roman", flags=0x2, linkedValue=1),
] },
]
# stat_axes_format_3 is used for making a STAT table with format 1 & 3 records
def stat_axes_format_3(is_italic):
# see https://learn.microsoft.com/en-us/typography/opentype/spec/
# stat#axis-value-table-format-3
suffix = " Italic" if is_italic else ""
return [
{ "name": "Optical Size", "tag": "opsz" },
{ "name": "Weight", "tag": "wght", "values": [
{ "name": "Thin"+suffix, "value": 100, "linkedValue": 400 },
{ "name": "ExtraLight"+suffix, "value": 200, "linkedValue": 500 },
{ "name": "Light"+suffix, "value": 300, "linkedValue": 580 },
{ "name": "Regular"+suffix, "value": 400, "linkedValue": 660, "flags":0x2 },
{ "name": "Medium"+suffix, "value": 500, "linkedValue": 780 },
{ "name": "SemiBold"+suffix, "value": 580, "linkedValue": 900 },
{ "name": "Bold"+suffix, "value": 660 },
{ "name": "ExtraBold"+suffix, "value": 780 },
{ "name": "Black"+suffix, "value": 900 },
]},
]
# STAT_AXES is used for making a STAT table with format 4 records
STAT_AXES = [
{ "name": "Optical Size", "tag": "opsz" },
@ -32,7 +79,6 @@ STAT_AXES = [
{ "name": "Italic", "tag": "ital" }
]
# stat_locations is used for making a STAT table with format 4 records
def stat_locations(is_italic):
# see https://learn.microsoft.com/en-us/typography/opentype/spec/
@ -52,27 +98,6 @@ def stat_locations(is_italic):
]
# stat_axes is used for making a STAT table with format 1 & 3 records
def stat_axes(is_italic):
# see https://learn.microsoft.com/en-us/typography/opentype/spec/
# stat#axis-value-table-format-3
suffix = " Italic" if is_italic else ""
return [
{ "name": "Optical Size", "tag": "opsz" },
{ "name": "Weight", "tag": "wght", "values": [
{ "name": "Thin"+suffix, "value": 100, "linkedValue": 400 },
{ "name": "ExtraLight"+suffix, "value": 200, "linkedValue": 500 },
{ "name": "Light"+suffix, "value": 300, "linkedValue": 580 },
{ "name": "Regular"+suffix, "value": 400, "linkedValue": 660, "flags":0x2 },
{ "name": "Medium"+suffix, "value": 500, "linkedValue": 780 },
{ "name": "SemiBold"+suffix, "value": 580, "linkedValue": 900 },
{ "name": "Bold"+suffix, "value": 660 },
{ "name": "ExtraBold"+suffix, "value": 780 },
{ "name": "Black"+suffix, "value": 900 },
]},
]
WINDOWS_ENGLISH_IDS = 3, 1, 0x409
MAC_ROMAN_IDS = 1, 0, 0
@ -276,12 +301,15 @@ def gen_stat(ttfont):
# We are limited to format 2 or 3 records, else Adobe products like InDesign
# bugs out. See https://github.com/rsms/inter/issues/577
#
# build a version 1.1 STAT table with format 2 records:
buildStatTable(ttfont, stat_axes_format_2(font_is_italic(ttfont)))
#
# build a version 1.1 STAT table with format 1 and 3 records:
buildStatTable(ttfont, stat_axes(font_is_italic(ttfont)))
#buildStatTable(ttfont, stat_axes_format_3(font_is_italic(ttfont)))
#
# build a version 1.2 STAT table with format 4 records:
# locations = stat_locations(font_is_italic(ttfont))
# buildStatTable(ttfont, STAT_AXES, locations=locations)
#locations = stat_locations(font_is_italic(ttfont))
#buildStatTable(ttfont, STAT_AXES, locations=locations)
# def fixup_fvar(ttfont):