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🎨 Improve font loading https://github.com/siyuan-note/siyuan/issues/15879

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Signed-off-by: Daniel <845765@qq.com>
This commit is contained in:
Daniel 2025-09-18 23:10:06 +08:00
parent ea781d30ed
commit d372e871f4
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GPG key ID: 86211BA83DF03017
1 changed files with 20 additions and 21 deletions
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41
kernel/util/font.go
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@ -103,10 +103,6 @@ func existFont(family string, fonts []*Font) bool {
func parseTTCFontFamily(fontPath string) (ret []string) {
defer logging.Recover()
if strings.Contains(fontPath, "Alibaba") {
logging.LogInfo(fontPath)
}
data, err := os.ReadFile(fontPath)
if err != nil {
//logging.LogErrorf("read font file [%s] failed: %s", fontPath, err)
@ -131,7 +127,7 @@ func parseTTCFontFamily(fontPath string) (ret []string) {
ret = append(ret, family)
}
family, _ := font.Name(nil, ttc.NameIDFamily)
family, _ = font.Name(nil, ttc.NameIDFamily)
family = strings.TrimSpace(family)
if "" != family && !strings.HasPrefix(family, ".") {
ret = append(ret, family)
@ -162,35 +158,38 @@ func parseTTFFontFamily(fontPath string) (ret string) {
return
}
if strings.Contains(fontPath, "04") {
logging.LogInfo(fontPath)
}
t, err := font.NameTable()
if err != nil {
logging.LogErrorf("get font [%s] name table failed: %s", fontPath, err)
return
}
var family, subfamily string
for _, e := range t.List() {
if sfnt.NameFontFamily != e.NameID && sfnt.NamePreferredFamily != e.NameID {
continue
}
if sfnt.PlatformLanguageID(1033) == e.LanguageID || sfnt.PlatformLanguageID(2052) == e.LanguageID {
if sfnt.NameFontFamily == e.NameID && (sfnt.PlatformLanguageID(1033) == e.LanguageID || sfnt.PlatformLanguageID(2052) == e.LanguageID) {
v, _, err := transform.Bytes(textUnicode.UTF16(textUnicode.BigEndian, textUnicode.IgnoreBOM).NewDecoder(), e.Value)
if err != nil {
return ""
if err == nil {
family = strings.TrimSpace(string(v))
}
val := string(v)
if sfnt.NameFontFamily == e.NameID && "" != val {
ret = val
}
if sfnt.NamePreferredFamily == e.NameID && "" != val {
ret = val
}
if sfnt.NameFontSubfamily == e.NameID && (sfnt.PlatformLanguageID(1033) == e.LanguageID || sfnt.PlatformLanguageID(2052) == e.LanguageID) {
v, _, err := transform.Bytes(textUnicode.UTF16(textUnicode.BigEndian, textUnicode.IgnoreBOM).NewDecoder(), e.Value)
if err == nil {
subfamily = strings.TrimSpace(string(v))
}
}
}
ret = strings.TrimSpace(ret)
if strings.HasPrefix(ret, ".") {
return ""
if family != "" && !strings.HasPrefix(family, ".") {
if subfamily != "" && !strings.Contains(subfamily, "<") && !strings.EqualFold(subfamily, "Regular") {
ret = family + " " + subfamily // 例如 "PingFang SC Bold"
} else {
ret = family
}
}
return
}