Function Encode

qrcode.go:74–84

Encode a QR Code and return a raw PNG image. size is both the image width and height in pixels. If size is too small then a larger image is silently returned. Negative values for size cause a variable sized image to be returned: See the documentation for Image(). To serve over HTTP, remember to se

(content string, level RecoveryLevel, size int)

//
// To serve over HTTP, remember to send a Content-Type: image/png header.
func Encode(content string, level RecoveryLevel, size int) ([]byte, error) {
	var q *QRCode

	q, err := New(content, level)

	if err != nil {
		return nil, err
	}

	return q.PNG(size)
}

// WriteFile encodes, then writes a QR Code to the given filename in PNG format.
//