13.1Class Image

Class representing a QR code image.

Class Image( version, width, data, maker )

version	The version of this QR image.
width	The width of this QR image.
data	Raw binary data.
maker	The maker that built this Image (used for configuration).

Note: This class should not be instanced directly; it should be created trhough the Maker methods.

This class contains the data that can be rendered to an output image.

Methods
jpg	Saves the image on the given open stream as a JPG image.
png	Saves the image on the given open stream as a PNG image.
saveJpg	Saves the image on the given file name as a JPG image.
savePng	Saves the image on the given file name as a PNG image.

Methods

jpg

Saves the image on the given open stream as a JPG image.

jpg( outStream, [size],[margin] )

outStream	The stream where the image must be saved.
size	Size of dots, in pixels.
margin	Size of the white margin around the image, in pixels.
Raise	IoError on i/o error.

png

Saves the image on the given open stream as a PNG image.

png( outStream, [size],[margin] )

outStream	The stream where the image must be saved.
size	Size of dots, in pixels.
margin	Size of the white margin around the image, in pixels.
Raise	IoError on i/o error.

saveJpg

Saves the image on the given file name as a JPG image.

saveJpg( fname, [size],[margin] )

fname	The name/uri of the file where to save the image.
size	Size of dots, in pixels.
margin	Size of the white margin around the image, in pixels.
Raise	IoError i/o on error.

savePng

Saves the image on the given file name as a PNG image.

savePng( fname, [size],[margin] )

fname	The name/uri of the file where to save the image.
size	Size of dots, in pixels.
margin	Size of the white margin around the image, in pixels.
Raise	IoError i/o on error.