/
find_windows.go
37 lines (34 loc) · 1.04 KB
/
find_windows.go
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package fontutil
import (
"fmt"
"os"
"path/filepath"
"strings"
"golang.org/x/sys/windows/registry"
)
func find(fontname string) (filename string, err error) {
keyname := "Software\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"
key, err := registry.OpenKey(registry.LOCAL_MACHINE, keyname, registry.READ)
if err != nil {
return "", fmt.Errorf("cannot open fonts registry key: %s", err)
}
valuenames, err := key.ReadValueNames(0) // 0 means all
if err != nil {
return "", fmt.Errorf("cannot read font names from registry: %s", err)
}
for _, valuename := range valuenames {
name := strings.TrimSpace(strings.TrimSuffix(valuename, "(TrueType)"))
if name != fontname {
continue
}
value, valuetype, err := key.GetStringValue(valuename)
if err != nil {
return "", fmt.Errorf("cannot read font key value (%s of type %d): %s", valuename, valuetype, err)
}
if !filepath.IsAbs(value) {
value = filepath.Join(os.Getenv("windir"), "Fonts", value)
}
return value, nil
}
return "", fmt.Errorf("cannot find font name: %s", fontname)
}