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Fix CJK fonts again and misc. font issues (#14575)
* Push system-ui further down the stack, fix #12966 * Fix Firefox showing U+300x in emoji font and more * Revert emoji font and fix long-standing Safari bug * Exclude Safari emoji fix above 1.25x zoom * Minor correctness/typo fix, affects only legacy platforms * Emoji consistency for monospace (e.g. EasyMDE) * Override paradigm; macOS/iOS-specific metric fix * Move whitespace fix to font-face * Handle metric calculation errors with Firefox * One last workaround for aliased fonts in Linux
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| /* font i18n */ | ||
| :root { | ||
| /* customizable localized variables */ | ||
| :lang(ja) { | ||
| --fonts-override: var(--fonts-default-override-ja); | ||
| } | ||
| :lang(zh-CN) { | ||
| --fonts-override: var(--fonts-default-override-zh-cn); | ||
| } | ||
| :lang(zh-TW) { | ||
| --fonts-override: var(--fonts-default-override-zh-tw); | ||
| } | ||
| :lang(zh-HK) { | ||
| --fonts-override: var(--fonts-default-override-zh-hk); | ||
| } | ||
| :lang(ko) { | ||
| --fonts-override: var(--fonts-default-override-ko); | ||
| } | ||
| } | ||
|
|
||
| [lang] { | ||
| font-family: var(--fonts-regular); | ||
| } | ||
|
|
||
| each(@fonts, { | ||
| @weights: .gen-weights-all(@value); | ||
| @locale: replace(@key, "@", "-"); | ||
| .font-face-cjk(~"system-ui@{locale}", @weights[@light], 300); | ||
| .font-face-cjk(~"system-ui@{locale}", @weights[@regular], 400); | ||
| .font-face-cjk(~"system-ui@{locale}", @weights[@medium], 500); | ||
| .font-face-cjk(~"system-ui@{locale}", @weights[@bold], 700); | ||
| /* Safari on macOS/iOS */ | ||
| @font-face { | ||
| font-family: ~"system-ui@{locale}"; | ||
| src: local("HelveticaNeue"); | ||
| unicode-range: U+A0; | ||
| } | ||
| /* Other browsers on macOS/iOS */ | ||
| @supports not (-webkit-hyphens:none) { | ||
| @font-face { | ||
| font-family: ~"system-ui@{locale}"; | ||
| src: local("HelveticaNeue"); | ||
| unicode-range: U+20; | ||
| } | ||
| } | ||
| :root { | ||
| /* Special handling for Firefox on Windows/Linux */ | ||
| @supports (-moz-appearance:none) { | ||
| --fonts-default-override@{locale}: ~"var(--fonts-proportional), system-ui@{locale}"; | ||
| } | ||
| --fonts-default-override@{locale}: ~"system-ui@{locale}, var(--fonts-proportional)"; | ||
| } | ||
| }); | ||
|
|
||
| @fonts: { | ||
| @ja: | ||
| "HiraginoSans-:{W2,W4,W5,W6}", "HiraKakuProN-:{W3,W6}", "Hiragino Kaku Gothic ProN :{W3,W6}", | ||
| .shs("JP")[], .shs("J")[], .noto("JP")[], .shs("")[], | ||
| /* https://acetaminophen.hatenablog.com/entry/2016/02/15/225009 */ | ||
| "Yu Gothic :{Regular,Medium,Bold}", "YuGothic :{Regular,Medium,Bold}", | ||
| "Droid Sans Japanese:{}", "Meiryo:{, Bold}", "MS PGothic:{}"; | ||
| @zh-cn: | ||
| .pingfang("SC")[], | ||
| .shs("CN")[], .shs("SC")[], .noto("SC")[], | ||
| "HiraginoSansGB-:{W3,W6}", "Hiragino Sans GB :{W3,W6}", | ||
| "Microsoft YaHei:{ Light,, Bold}", "Heiti SC :{Light,Medium}", "SimHei:{}"; | ||
| @zh-tw: | ||
| .pingfang("TC")[], | ||
| .shs("TW")[], .shs("TC")[], .noto("TC")[], | ||
| "HiraginoSansTC-:{W3,W6}", "Hiragino Sans TC :{W3,W6}", | ||
| "Microsoft JhengHei:{ Light,, Bold}", "Heiti TC :{Light,Medium}", "PMingLiU:{}"; | ||
| @zh-hk: | ||
| .pingfang("HK")[], | ||
| .shs("HK")[], .shs("HC")[], .noto("HK")[], .shs("TC")[], .noto("TC")[], | ||
| "HiraginoSansTC-:{W3,W6}", "Hiragino Sans TC :{W3,W6}", | ||
| "Microsoft JhengHei:{ Light,, Bold}", "Heiti TC :{Light,Medium}", "PMingLiU_HKSCS:{}", "PMingLiU:{}"; | ||
| @ko: | ||
| "AppleSDGothicNeo-:{Light,Regular,Medium,SemiBold}", | ||
| .shs("KR")[], .shs("K")[], .noto("KR")[], | ||
| "NanumBarunGothic:{ Light,, Bold}", | ||
| "Malgun Gothic:{ Semilight,, Bold}", "Nanum Gothic:{, Bold}", "Dotum:{}"; | ||
| } | ||
|
|
||
| .noto(@suffix) { @value: "Noto Sans CJK @{suffix} ", "NotoSansCJK@{suffix}-"; } | ||
| .shs(@suffix) { @value: replace("Source Han Sans @{suffix} ", " ", " "), "SourceHanSans@{suffix}-"; } | ||
| .pingfang(@suffix) { @value: "PingFang@{suffix}-:{Light,Regular,Medium,Semibold}"; } | ||
| .font-face-cjk(@family, @src, @weight) { | ||
| @font-face { | ||
| font-family: @family; | ||
| src: @src; | ||
| font-weight: @weight; | ||
| unicode-range: ~"U+11??, U+2E80-4DBF, U+4E00-9FFF, U+A960-A97F, U+AC00-D7FF, U+F900-FAFF, U+FE00-FE6F, U+FF00-FFEF, U+1F2??, U+2????"; | ||
| } | ||
| } | ||
|
|
||
| .gen-weights(@family) when (isstring(@family)) { | ||
| @family-str: replace(@family, ":\{.*\}$", ""); | ||
| // apply standard style names if none is given | ||
| // should the font have no styles, use :{}, as in "SimHei:{}" | ||
| @weights-str: if(@family = @family-str, "Light,Regular,Medium,Bold", replace(@family, ".*:\{(.*)\}$", "$1")); | ||
| @lightest: replace(@weights-str, ",.*", ""); | ||
| @boldest: replace(@weights-str, ".*,", ""); | ||
| @2ndboldest: replace(@weights-str, "(?:.*,|)([^,]*),.*$", "$1"); | ||
| @2ndlightest: if(@2ndboldest = @lightest, @lightest, replace(@weights-str, "^.*?,([^,]*).*", "$1")); | ||
|
|
||
| @light: local("@{family-str}@{lightest}"); | ||
| @regular: local("@{family-str}@{2ndlightest}"); | ||
| @medium: local("@{family-str}@{2ndboldest}"); | ||
| @bold: local("@{family-str}@{boldest}"); | ||
| } | ||
| .gen-weights(@family) when not (isstring(@family)) { | ||
| .gen-weights-all(@family); | ||
| } | ||
| .gen-weights(@family, @last) { | ||
| @this: .gen-weights(@family); | ||
|
|
||
| @light: @last[@light], @this[@light]; | ||
| @regular: @last[@regular], @this[@regular]; | ||
| @medium: @last[@medium], @this[@medium]; | ||
| @bold: @last[@bold], @this[@bold]; | ||
| } | ||
| .gen-weights-all(@family) when not (isstring(@family)) { | ||
| .gen-weights-all(@family, length(@family)); | ||
| } | ||
| .gen-weights-all(@family, 1) when not (isstring(@family)) { | ||
| .gen-weights(extract(@family, 1)); | ||
| } | ||
| .gen-weights-all(@family, @ctr) when not (isstring(@family)) and (@ctr > 1) and (@ctr <= length(@family)) { | ||
| .gen-weights(extract(@family, @ctr), .gen-weights-all(@family, @ctr - 1)); | ||
| } |
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