doodle/pkg/wallpaper/ingest.go

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package wallpaper
import (
"os"
"io/ioutil"
"encoding/base64"
)
/*
Functions related to the ingest of custom Wallpaper images for user levels.
*/
// FileToB64 loads an image file from disk and returns the Base64 encoded
// file data, if it is a valid image and so on.
func FileToB64(filename string) (string, error) {
fh, err := os.Open(filename)
if err != nil {
return "", err
}
defer fh.Close()
bin, err := ioutil.ReadAll(fh)
if err != nil {
return "", err
}
b64 := base64.StdEncoding.EncodeToString(bin)
if err != nil {
return "", err
}
return b64, nil
}