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// Copyright 2019 Nick White.
// Use of this source code is governed by the GPLv3
// license that can be found in the LICENSE file.
package main
import (
"bytes"
"compress/zlib"
"flag"
"fmt"
"io/ioutil"
"log"
)
func main() {
flag.Usage = func() {
fmt.Fprintln(flag.CommandLine.Output(), "Usage: fonttobytes font.ttf")
flag.PrintDefaults()
}
flag.Parse()
if flag.NArg() != 1 {
flag.Usage()
return
}
font, err := ioutil.ReadFile(flag.Arg(0))
if err != nil {
log.Fatalln(err)
}
// compress with zlib
var buf bytes.Buffer
w := zlib.NewWriter(&buf)
w.Write(font)
w.Close()
// this could be done more simply with %+v, but that takes up
// significantly more space due to printing each byte in hex
// rather than dec format.
fmt.Printf("[]byte{")
for i, b := range buf.Bytes() {
if i > 0 {
fmt.Printf(", ")
}
fmt.Printf("%d", b)
}
fmt.Printf("}\n")
}
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