module Goban::PNGExporter

Overview

Helper module to generate PNG image for the QR Code object. Requires stumpy_png as a dependency.

Included Modules

StumpyPNG

Extended Modules

Goban::PNGExporter

Defined in:

goban/exporters/png.cr

Instance Method Summary

#export(qr : AbstractQR, path : String | IO, mod_size : Int, blank_mods : Int)
Generates a PNG image with the given module size and blank modules, and exportes to the given path.
#export(qr : AbstractQR, path : String | IO, target_width : Int)
Generates a PNG image with the given target size and exports to the given path.

Instance Method Detail

def export(qr : AbstractQR, path : String | IO, mod_size : Int, blank_mods : Int) #

Generates a PNG image with the given module size and blank modules, and exportes to the given path.

mod_size refers to the number of pixels used for each module in the QR Code symbol, and blank_mods is the size of the white border around the symbol.

def export(qr : AbstractQR, path : String | IO, target_width : Int) #

Generates a PNG image with the given target size and exports to the given path. Note that the size of the resulting image may not be equal to the target size specified.