1 files changed, 49 insertions, 0 deletions
diff --git a/cmd/fonttobytes/main.go b/cmd/fonttobytes/main.go
new file mode 100644
index 0000000..8310e0f
--- /dev/null
+++ b/cmd/fonttobytes/main.go
@@ -0,0 +1,49 @@
+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")
+}