func lettericonHandler(w http.ResponseWriter, r *http.Request) {
charParam, col, size := lettericon.ParseIconPath(r.URL.Path)
if charParam != "" {
w.Header().Add("Content-Type", "image/png")
lettericon.Render(charParam, col, size, w)
} else {
writeAPIError(w, 400, errors.New("wrong format for lettericons/ path, must look like lettericons/M-144-EFC25D.png"), true)
}
}
func main() {
flag.Parse()
f, err := os.Create("out.png")
if err != nil {
log.Println(err)
os.Exit(1)
}
defer f.Close()
col, err := lettericon.ColorFromHex(*iconColor)
if err != nil {
log.Println(err)
os.Exit(1)
}
err = lettericon.Render(*letter, col, *width, f)
if err != nil {
os.Exit(1)
}
fmt.Println("Wrote out.png OK.")
}