//go:build pybadge // +build pybadge package main import ( "image/color" "time" "tinygo.org/x/tinyfont" "tinygo.org/x/tinyfont/freesans" qrcode "github.com/skip2/go-qrcode" ) func Info() { qr, err := qrcode.New("https://tinygo.org", qrcode.Medium) if err != nil { println(err, 123) } qrbytes := qr.Bitmap() size := int16(len(qrbytes)) factor := int16(displayHeight / len(qrbytes)) bx := (displayWidth - size*factor) / 2 by := (displayHeight - size*factor) / 2 display.FillScreen(color.RGBA{109, 0, 140, 255}) for y := int16(0); y < size; y++ { for x := int16(0); x < size; x++ { if qrbytes[y][x] { display.FillRectangle(bx+x*factor, by+y*factor, factor, factor, colorBlack) } else { display.FillRectangle(bx+x*factor, by+y*factor, factor, factor, colorWhite) } } } tinyfont.WriteLine(&display, &freesans.Bold9pt7b, 5, 12, "SCAN ME", colorWhite) for { time.Sleep(100 * time.Millisecond) getInput() if goBack() { quit = true return } } }