Moduleqrcode-juicypixels-0.8.7Haskell2010

Codec.QRCode.JuicyPixels

Contents

Synopsis

Image

valuetoImage

:: Int
Border to add around the QR code, recommended is 4 (<0 is treated as 0)
-> Int
Factor to scale the image (<1 is treated as 1)
-> QRImage
The QRImage
-> Image Pixel8

Convert the QR code into an image.

If this is not the required image format use promoteImage and/or convertImage.

valuetoPngDataUrlBS :: Int -> Int -> QRImage -> ByteString

Convert an QR code into a Uri. Has the same arguments as toImage.

This can be used to display a image in HTML without creating a temporary file.

valuetoPngDataUrlS :: Int -> Int -> QRImage -> String

Convert an QR code into a Uri. Has the same arguments as toImage.

Like toPngDataUrlBS but with a to String conversion afterwards.

valuetoPngDataUrlT :: Int -> Int -> QRImage -> Text

Convert an QR code into a Uri. Has the same arguments as toImage.

Like toPngDataUrlS but with a to Text conversion afterwards.