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@@ -22,7 +22,10 @@ import (
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"strings"
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"github.com/88250/gulu"
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+ "github.com/88250/pdfcpu/pkg/api"
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+ "github.com/88250/pdfcpu/pkg/font"
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"github.com/ConradIrwin/font/sfnt"
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+ "github.com/adrg/sysfont"
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"github.com/flopp/go-findfont"
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"github.com/siyuan-note/logging"
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ttc "golang.org/x/image/font/sfnt"
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@@ -31,23 +34,43 @@ import (
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)
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var (
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- preferredFonts = []string{"Microsoft YaHei", "SimSun", "微软雅黑", "宋体", "仿宋", "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "sans-serif", "Arial"}
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+ preferredPDFFonts = []string{"Microsoft YaHei", "SimSun", "微软雅黑", "宋体", "仿宋", "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "sans-serif", "Arial"}
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+ preferredPDFWatermarkFonts = []string{"MicrosoftYaHei", "SimSun", "LucidaSans", "Corbel", "Helvetica", "Arial", "sans-serif"}
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)
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-func GetPreferredFontFilePath(currentLanguage string) *Font {
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- fonts := loadFonts(currentLanguage)
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+func InstallPDFFonts() string {
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+ names := font.UserFontNames()
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+ if 0 < len(names) {
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+ return getPreferredPDFWatermarkFont(names)
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+ }
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- for _, font := range fonts {
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- logging.LogInfof("font: %+v", font)
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+ finder := sysfont.NewFinder(&sysfont.FinderOpts{Extensions: []string{".ttf", ".ttc"}})
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+ var fontPaths []string
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+ for _, preferredFont := range preferredPDFFonts {
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+ f := finder.Match(preferredFont)
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+ if nil != f {
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+ fontPaths = append(fontPaths, f.Filename)
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+ }
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}
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- sort.Slice(fonts, func(i, j int) bool { return len(fonts[i].Family) > len(fonts[j].Family) })
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- for _, font := range fonts {
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- if gulu.Str.Contains(font.Family, preferredFonts) {
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- return font
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+ if err := api.InstallFonts(fontPaths); nil != err {
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+ logging.LogErrorf("install font failed: %s", err)
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+ }
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+
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+ names = font.UserFontNames()
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+ logging.LogInfof("pdf fonts [%s]", strings.Join(names, ", "))
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+ return getPreferredPDFWatermarkFont(names)
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+}
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+
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+func getPreferredPDFWatermarkFont(userFontNames []string) string {
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+ for _, preferredFont := range preferredPDFWatermarkFonts {
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+ for _, userFont := range userFontNames {
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+ if preferredFont == userFont {
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+ return preferredFont
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+ }
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}
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}
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- return nil
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+ return "Helvetica"
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}
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func GetSysFonts(currentLanguage string) (ret []string) {
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Liang Ding