all: use embed

Fixes #1.

Signed-off-by: Sebastien Binet <binet@cern.ch>

gen-fonts.go

@@ -6,6 +6,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build ignore
 // +build ignore
 
 package main
@@ -16,7 +17,6 @@ import (
  "fmt"
  "go/format"
  "io"
- "io/ioutil"
  "log"
  "net/http"
  "os"
@@ -29,7 +29,11 @@ func main() {
  log.SetFlags(0)
 
  var (
- tmpl = flag.String("src", "https://github.com/stipub/stixfonts/raw/master/OTF", "remote directory holding OTF files for STIX fonts")
+ tmpl = flag.String(
+ "src",
+ "https://github.com/stipub/stixfonts/raw/v2.13b171/fonts/static_otf",
+ "remote directory holding OTF files for STIX fonts",
+ )
  )
 
  flag.Parse()
@@ -85,26 +89,26 @@ func do(ttfName string, src []byte) error {
  fmt.Fprintf(b, "// Package %s provides the %q TrueType font\n", pkgName, fontName)
  fmt.Fprintf(b, "// from the STIX2 font family. It is %s font.\n", desc)
  fmt.Fprintf(b, "package %[1]s // import \"github.com/go-fonts/stix/%[1]s\"\n\n", pkgName)
+ fmt.Fprintf(b, "import _ \"embed\"\n")
  fmt.Fprintf(b, "// TTF is the data for the %q TrueType font.\n", fontName)
- fmt.Fprintf(b, "var TTF = []byte{")
- for i, x := range src {
- if i&15 == 0 {
- b.WriteByte('\n')
- }
- fmt.Fprintf(b, "%#02x,", x)
- }
- fmt.Fprintf(b, "\n}\n")
+ fmt.Fprintf(b, "//\n//go:embed %s\n", ttfName)
+ fmt.Fprintf(b, "var TTF []byte\n")
 
  dst, err := format.Source(b.Bytes())
  if err != nil {
  return fmt.Errorf("could not format source: %w", err)
  }
 
- err = ioutil.WriteFile(filepath.Join(pkgName, "data.go"), dst, 0666)
+ err = os.WriteFile(filepath.Join(pkgName, "data.go"), dst, 0666)
  if err != nil {
  return fmt.Errorf("could not write package source file: %w", err)
  }
 
+ err = os.WriteFile(filepath.Join(pkgName, ttfName), src, 0666)
+ if err != nil {
+ return fmt.Errorf("could not write package TTF file: %w", err)
+ }
+
  return nil
 }
 

stix.go

@@ -4,3 +4,5 @@
 
 // Package stix holds TTF data of the STIX2 fonts.
 package stix
+
+//go:generate go run ./gen-fonts.go