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add support for Nerd Fonts
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@yuru7
yuru7 committed Jun 16, 2024
1 parent 5a5fced commit c73cd41
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Showing 4 changed files with 138 additions and 8 deletions.
2 changes: 1 addition & 1 deletion build.ini
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
[DEFAULT]
VERSION = v0.0.3
VERSION = v0.0.4
FONT_NAME = Bizin Gothic
JP_FONT = biz-ud-gothic\BIZUDGothic-{style}.ttf
ENG_FONT = inconsolata\Inconsolata-{style}.ttf
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141 changes: 134 additions & 7 deletions fontforge_script.py
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Original file line number Diff line number Diff line change
Expand Up @@ -107,8 +107,6 @@ def get_options():
options["invisible-zenkaku-space"] = True
elif arg == "--35":
options["35"] = True
elif arg == "--console":
options["console"] = True
elif arg == "--nerd-font":
options["nerd-font"] = True
elif arg == "--discord":
Expand All @@ -130,7 +128,7 @@ def generate_font(jp_style, eng_style, merged_style):
adjust_em(eng_font)

# 日本語文書に頻出する記号を英語フォントから削除する
if not options.get("console"):
if not options.get("nerd-font"):
remove_jpdoc_symbols(eng_font)

# いくつかのグリフ形状に調整を加える
Expand Down Expand Up @@ -158,8 +156,10 @@ def generate_font(jp_style, eng_style, merged_style):
if not options.get("invisible-zenkaku-space"):
visualize_zenkaku_space(jp_font)

# Nerd Fontのグリフを追加する
if options.get("nerd-font"):
# East Asian Ambiguous Width のグリフを半角幅に縮小する
shrink_east_asian_ambiguous_width(jp_font)
# Nerd Fontのグリフを追加する
add_nerd_font_glyphs(jp_font, eng_font)

# オプション毎の修飾子を追加する
Expand Down Expand Up @@ -195,10 +195,10 @@ def generate_font(jp_style, eng_style, merged_style):
# ヒンティングはあとで ttfautohint で行う。
# flags=("no-hints", "omit-instructions") を使うとヒンティングだけでなく GPOS や GSUB も削除されてしまうので使わない
eng_font.generate(
f"{BUILD_FONTS_DIR}/{FONTFORGE_PREFIX}{FONT_NAME}{variant}-{merged_style}-eng.ttf",
f"{BUILD_FONTS_DIR}/{FONTFORGE_PREFIX}{FONT_NAME}{variant.replace(' ', '')}-{merged_style}-eng.ttf",
)
jp_font.generate(
f"{BUILD_FONTS_DIR}/{FONTFORGE_PREFIX}{FONT_NAME}{variant}-{merged_style}-jp.ttf",
f"{BUILD_FONTS_DIR}/{FONTFORGE_PREFIX}{FONT_NAME}{variant.replace(' ', '')}-{merged_style}-jp.ttf",
)

# ttfを閉じる
Expand Down Expand Up @@ -350,14 +350,21 @@ def adjust_some_glyph(jp_font, jp_style, eng_font, eng_style):
def scale_glyph(glyph, scale_x, scale_y):
"""グリフのスケールを調整する"""
original_width = glyph.width
# スケール前の中心位置を求める
before_bb = glyph.boundingBox()
before_center_x = (before_bb[0] + before_bb[2]) / 2
before_center_y = (before_bb[1] + before_bb[3]) / 2
# スケール変換
glyph.transform(psMat.scale(scale_x, scale_y))
# スケール後の中心位置を求める
after_bb = glyph.boundingBox()
after_center_x = (after_bb[0] + after_bb[2]) / 2
after_center_y = (after_bb[1] + after_bb[3]) / 2
# 拡大で増えた分を考慮して中心位置を調整
glyph.transform(
psMat.translate(
(before_bb[2] - after_bb[2]) / 2, (before_bb[3] - after_bb[3]) / 2
before_center_x - after_center_x,
before_center_y - after_center_y,
)
)
glyph.width = original_width
Expand Down Expand Up @@ -581,6 +588,126 @@ def remove_lookups(font, remove_gsub=True, remove_gpos=True):
font.removeLookup(lookup)


def shrink_east_asian_ambiguous_width(jp_font):
"""East Asian Ambiguous Width のグリフを半角幅に縮小する"""
# ref: Unicode East Asian Ambiguous Width: https://www.unicode.org/Public/15.0.0/ucd/EastAsianWidth.txt

# 半分に縮小するグリフ
for uni in [
*range(
0x01CD, 0x01DC
), # LATIN CAPITAL LETTER A WITH CARON..LATIN CAPITAL LETTER U WITH DIAERESIS
*range(
0x0386, 0x03CF + 1
), # GREEK CAPITAL LETTER ALPHA WITH TONOS..GREEK SMALL LETTER OMEGA WITH DASIA
*range(
0x0401, 0x044F + 1
), # CYRILLIC CAPITAL LETTER IO..CYRILLIC SMALL LETTER YA
*range(
0x0451, 0x045F + 1
), # CYRILLIC SMALL LETTER IO..CYRILLIC SMALL LETTER DZHE
0x2025, # TWO DOT LEADER
0x203B, # REFERENCE MARK
0x2103, # DEGREE CELSIUS
*range(0x2121, 0x2122 + 1), # TELEPHONE SIGN..TRADE MARK SIGN
0x212B, # ANGSTROM SIGN
*range(0x213A, 0x213B + 1), # ROTATED CAPITAL Q..FACSIMILE SIGN
*range(0x2160, 0x216B + 1), # ROMAN NUMERAL ONE..ROMAN NUMERAL TWELVE
*range(
0x2170, 0x217B + 1
), # SMALL ROMAN NUMERAL ONE..SMALL ROMAN NUMERAL TWELVE
0x2200, # FOR ALL
*range(0x2202, 0x2203 + 1), # PARTIAL DIFFERENTIAL..THERE EXISTS
*range(0x2207, 0x2208 + 1), # NABLA..ELEMENT OF
0x220B, # CONTAINS AS MEMBER
*range(0x221F, 0x2220 + 1), # RIGHT ANGLE..ANGLE
*range(0x2225, 0x222C + 1), # PARALLEL TO..DOUBLE INTEGRAL
0x222E, # CONTOUR INTEGRAL
*range(0x2234, 0x2235 + 1), # THEREFORE..BECAUSE
0x2252, # APPROXIMATELY EQUAL TO OR THE IMAGE OF
0x2261, # IDENTICAL TO
*range(
0x2266, 0x2267 + 1
), # LESS-THAN OVER EQUAL TO..GREATER-THAN OVER EQUAL TO
*range(0x226A, 0x226B + 1), # MUCH LESS-THAN..MUCH GREATER-THAN
*range(0x2282, 0x2283 + 1), # SUBSET OF..SUPERSET OF
*range(0x2286, 0x2287 + 1), # SUBSET OF OR EQUAL TO..SUPERSET OF OR EQUAL TO
0x22A5, # UP TACK
*range(0x2460, 0x24FF + 1), # CIRCLED DIGIT ONE..NEGATIVE CIRCLED DIGIT TEN
*range(0x25A0, 0x25A1 + 1), # BLACK SQUARE..WHITE SQUARE
*range(
0x25B2, 0x25B3 + 1
), # BLACK UP-POINTING TRIANGLE..WHITE UP-POINTING TRIANGLE
*range(
0x25BC, 0x25BD + 1
), # BLACK DOWN-POINTING TRIANGLE..WHITE DOWN-POINTING TRIANGLE
0x25CE, # BULLSEYE
0x25EF, # LARGE CIRCLE
*range(0x2605, 0x2606 + 1), # BLACK STAR..WHITE STAR
0x260E, # BLACK TELEPHONE
0x2640, # FEMALE SIGN
0x2642, # MALE SIGN
*range(0x2668, 0x266F + 1), # HOT SPRINGS..MUSIC SHARP SIGN
0x2756, # BLACK DIAMOND MINUS WHITE X
*range(
0x2776, 0x277F + 1
), # DINGBAT NEGATIVE CIRCLED DIGIT ONE..DINGBAT NEGATIVE CIRCLED NUMBER TEN
0x27A1, # BLACK RIGHTWARDS ARROW
0x29BF, # CIRCLED BULLET
0x1F100, # DIGIT ZERO FULL STOP
]:
try:
glyph = jp_font[uni]
if glyph.isWorthOutputting() and glyph.width == HALF_WIDTH_12 * 2:
before_width = glyph.width
scale_glyph(glyph, 0.6, 1)
glyph.transform(psMat.translate((HALF_WIDTH_12 - before_width) / 2, 0))
glyph.width = HALF_WIDTH_12
except Exception:
continue

# 半分の幅にしても収まるために幅を半分に位置調整だけするグリフ
for uni in [0x2016]: # DOUBLE VERTICAL LINE
try:
glyph = jp_font[uni]
if glyph.isWorthOutputting() and glyph.width == HALF_WIDTH_12 * 2:
glyph.transform(psMat.translate((HALF_WIDTH_12 - glyph.width) / 2, 0))
glyph.width = HALF_WIDTH_12
except Exception:
continue

# 文字が潰れて見えなくなってしまうため、縮小なし、位置移動なしで幅だけ半角にするグリフ
for uni in [
*range(0x2600, 0x2603 + 1), # BLACK SUN WITH RAYS..SNOWMAN
*range(
0x261C, 0x261F + 1
), # WHITE LEFT POINTING INDEX..WHITE DOWN POINTING INDEX
]:
try:
glyph = jp_font[uni]
if glyph.isWorthOutputting() and glyph.width == HALF_WIDTH_12 * 2:
glyph.width = HALF_WIDTH_12
except Exception:
continue

# 半分の幅にしつつ、潰れないように縦には広げるグリフ
for uni in [
0x21D2, # RIGHTWARDS DOUBLE ARROW
0x21D4, # LEFT RIGHT DOUBLE ARROW
0x221D, # PROPORTIONAL TO
0x223D, # REVERSED TILDE
]:
try:
glyph = jp_font[uni]
if glyph.isWorthOutputting() and glyph.width == HALF_WIDTH_12 * 2:
before_width = glyph.width
scale_glyph(glyph, 0.6, 1.25)
glyph.transform(psMat.translate((HALF_WIDTH_12 - before_width) / 2, 0))
glyph.width = HALF_WIDTH_12
except Exception:
continue


def remove_jpdoc_symbols(eng_font):
"""日本語文書に頻出する記号を削除する"""
eng_font.selection.none()
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3 changes: 3 additions & 0 deletions make.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,8 @@ Remove-Item -Path .\build -Recurse -Force
$option_and_output_folder = @(
@("", "-"), # ビルド 通常版
@("--discord", "Discord-") # ビルド Discord
@("--nerd-font", "NF-"), # ビルド 通常版 + Nerd Fonts
@("--discord --nerd-font", "DiscordNF-") # ビルド Discord + Nerd Fonts
)

$option_and_output_folder | Foreach-Object -ThrottleLimit 4 -Parallel {
Expand All @@ -23,6 +25,7 @@ $option_and_output_folder | Foreach-Object -ThrottleLimit 4 -Parallel {
}

$move_file_src_dest = @(
@("BizinGothic*NF-*.ttf", "BizinGothicNF_$version"),
@("BizinGothicDiscord*-*.ttf", "BizinGothicDiscord_$version"),
@("BizinGothic*-*.ttf", "BizinGothic_$version")
)
Expand Down
Binary file added source_fonts/SymbolsNerdFont-Regular.ttf
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