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🎨 Improve export PDF footer font

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Liang Ding 2023-04-01 14:02:11 +08:00
parent f24859dcdd
commit b8de3f75e6
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GPG key ID: 136F30F901A2231D
1 changed files with 13 additions and 4 deletions
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17
kernel/util/font.go
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@ -25,6 +25,8 @@ import (
"github.com/88250/pdfcpu/pkg/api"
"github.com/88250/pdfcpu/pkg/font"
"github.com/ConradIrwin/font/sfnt"
"github.com/adrg/strutil"
"github.com/adrg/strutil/metrics"
"github.com/adrg/sysfont"
"github.com/flopp/go-findfont"
"github.com/siyuan-note/logging"
@ -61,15 +63,22 @@ func InstallPDFFonts() string {
return getPreferredPDFWatermarkFont(names)
}
func getPreferredPDFWatermarkFont(userFontNames []string) string {
func getPreferredPDFWatermarkFont(userFontNames []string) (ret string) {
ret = "Helvetica"
if 1 > len(userFontNames) {
return
}
var score float64
for _, preferredFont := range preferredPDFWatermarkFonts {
for _, userFont := range userFontNames {
if preferredFont == userFont {
return preferredFont
if tmp := strutil.Similarity(preferredFont, userFont, &metrics.JaroWinkler{CaseSensitive: false}); score < tmp {
ret = preferredFont
score = tmp
}
}
}
return "Helvetica"
return
}
func GetSysFonts(currentLanguage string) (ret []string) {