package main import ( "context" "github.com/Crocmagnon/display-epaper/transports" "github.com/llgcode/draw2d/draw2dimg" "log" ) func run(ctx context.Context, transportsClient *transports.Client) error { img, err := getBlack(ctx, transportsClient) if err != nil { log.Fatal(err) } draw2dimg.SaveToPngFile("out/black.png", img) log.Println("done") return nil }