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🎨 Clean code

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Liang Ding 2023-04-01 12:26:14 +08:00
parent 7b34eb6c6d
commit eddcdaedcd
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GPG key ID: 136F30F901A2231D
2 changed files with 64 additions and 27 deletions
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68
kernel/util/font.go
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@ -30,9 +30,28 @@ import (
"golang.org/x/text/transform"
)
var (
preferredFonts = []string{"Microsoft YaHei", "SimSun", "微软雅黑", "宋体", "仿宋", "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "sans-serif", "Arial"}
)
func GetPreferredFontFilePath(currentLanguage string) *Font {
fonts := loadFonts(currentLanguage)
sort.Slice(fonts, func(i, j int) bool { return len(fonts[i].Family) > len(fonts[j].Family) })
for _, font := range fonts {
if gulu.Str.Contains(font.Family, preferredFonts) {
return font
}
}
return nil
}
func GetSysFonts(currentLanguage string) (ret []string) {
fonts := loadFonts(currentLanguage)
ret = gulu.Str.RemoveDuplicatedElem(fonts)
ret = []string{}
for _, font := range fonts {
ret = append(ret, font.Family)
}
ret = gulu.Str.RemoveDuplicatedElem(ret)
ret = removeUnusedFonts(ret)
sort.Strings(ret)
return
@ -49,47 +68,52 @@ func removeUnusedFonts(fonts []string) (ret []string) {
return
}
func loadFonts(currentLanguage string) (ret []string) {
ret = []string{}
for _, f := range findfont.List() {
if strings.HasSuffix(strings.ToLower(f), ".ttc") {
data, err := os.ReadFile(f)
type Font struct {
Path string
Family string
}
func loadFonts(currentLanguage string) (ret []*Font) {
ret = []*Font{}
for _, fontPath := range findfont.List() {
if strings.HasSuffix(strings.ToLower(fontPath), ".ttc") {
data, err := os.ReadFile(fontPath)
if nil != err {
logging.LogErrorf("read font file [%s] failed: %s", f, err)
logging.LogErrorf("read font file [%s] failed: %s", fontPath, err)
continue
}
collection, err := ttc.ParseCollection(data)
if nil != err {
//LogErrorf("parse font collection [%s] failed: %s", f, err)
//LogErrorf("parse font collection [%s] failed: %s", fontPath, err)
continue
}
for i := 0; i < collection.NumFonts(); i++ {
font, err := collection.Font(i)
if nil != err {
//LogErrorf("get font [%s] failed: %s", f, err)
//LogErrorf("get font [%s] failed: %s", fontPath, err)
continue
}
if family := parseFontFamily(font); "" != family {
ret = append(ret, family)
//LogInfof("[%s] [%s]", f, family)
ret = append(ret, &Font{fontPath, family})
//LogInfof("[%s] [%s]", fontPath, family)
}
}
} else if strings.HasSuffix(strings.ToLower(f), ".otf") || strings.HasSuffix(strings.ToLower(f), ".ttf") {
fontFile, err := os.Open(f)
} else if strings.HasSuffix(strings.ToLower(fontPath), ".otf") || strings.HasSuffix(strings.ToLower(fontPath), ".ttf") {
fontFile, err := os.Open(fontPath)
if nil != err {
//LogErrorf("open font file [%s] failed: %s", f, err)
//LogErrorf("open font file [%s] failed: %s", fontPath, err)
continue
}
font, err := sfnt.Parse(fontFile)
if nil != err {
//LogErrorf("parse font [%s] failed: %s", f, err)
//LogErrorf("parse font [%s] failed: %s", fontPath, err)
continue
}
t, err := font.NameTable()
if nil != err {
//LogErrorf("parse font name table [%s] failed: %s", f, err)
//LogErrorf("parse font name table [%s] failed: %s", fontPath, err)
return
}
fontFile.Close()
@ -102,7 +126,7 @@ func loadFonts(currentLanguage string) (ret []string) {
if sfnt.PlatformLanguageID(1033) == e.LanguageID {
v, _, err := transform.Bytes(textUnicode.UTF16(textUnicode.BigEndian, textUnicode.IgnoreBOM).NewDecoder(), e.Value)
if nil != err {
//LogErrorf("decode font family [%s] failed: %s", f, err)
//LogErrorf("decode font family [%s] failed: %s", fontPath, err)
continue
}
val := string(v)
@ -119,7 +143,7 @@ func loadFonts(currentLanguage string) (ret []string) {
v, _, err := transform.Bytes(textUnicode.UTF16(textUnicode.BigEndian, textUnicode.IgnoreBOM).NewDecoder(), e.Value)
if nil != err {
//LogErrorf("decode font family [%s] failed: %s", f, err)
//LogErrorf("decode font family [%s] failed: %s", fontPath, err)
continue
}
val := string(v)
@ -132,12 +156,12 @@ func loadFonts(currentLanguage string) (ret []string) {
}
}
if "" != family && !strings.HasPrefix(family, ".") {
ret = append(ret, family)
//LogInfof("[%s] [%s]", f, family)
ret = append(ret, &Font{fontPath, family})
//LogInfof("[%s] [%s]", fontPath, family)
}
if "" != familyChinese && !strings.HasPrefix(familyChinese, ".") {
ret = append(ret, familyChinese)
//LogInfof("[%s] [%s]", f, family)
ret = append(ret, &Font{fontPath, familyChinese})
//LogInfof("[%s] [%s]", fontPath, family)
}
}
}