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package main
import (
"bytes"
"compress/zlib"
"flag"
"fmt"
"io/ioutil"
"log"
"os"
)
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
}
f, err := os.Open(flag.Arg(0))
if err != nil {
log.Fatalln("Failed to open file", flag.Arg(0), err)
}
fontbytes, err := ioutil.ReadAll(f)
if err != nil {
log.Fatalln("Failed to read file", flag.Arg(0), err)
}
var compressed bytes.Buffer
w := zlib.NewWriter(&compressed)
w.Write(fontbytes)
w.Close()
// This could be done with %+v in printf, but using the decimal rather than
// hex output saves quite a few bytes, so we do that instead.
fmt.Printf("[]byte{")
for i, b := range compressed.Bytes() {
if i > 0 {
fmt.Printf(", ")
}
fmt.Printf("%d", b)
}
fmt.Printf("}\n")
}
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