erm/cmd/packfont/main.go

53 lines
904 B
Go

package main
import (
"fmt"
"io/ioutil"
"os"
"strings"
)
func main() {
if len(os.Args) != 3 {
fmt.Println("Please specify font path and name")
os.Exit(1)
}
path := os.Args[1]
name := os.Args[2]
fontBytes, err := ioutil.ReadFile(path)
if err != nil {
panic(err)
}
packed, err := os.OpenFile(fmt.Sprintf("./internal/app/darktile/packed/%s.go", strings.ToLower(name)), os.O_WRONLY|os.O_CREATE, 0744)
if err != nil {
panic(err)
}
defer packed.Close()
if _, err := packed.WriteString(fmt.Sprintf(`package packed
var %sTTF = []byte{
`, name)); err != nil {
panic(err)
}
for i, b := range fontBytes {
if _, err := packed.WriteString(fmt.Sprintf(" 0x%x,", b)); err != nil {
panic(err)
}
if i > 0 && i%16 == 0 {
if _, err := packed.WriteString("\n"); err != nil {
panic(err)
}
}
}
if _, err := packed.WriteString("}\n"); err != nil {
panic(err)
}
}