Crate qrcode53bytes 

qrcode53bytes

Things are changing fast. 2020-02-17 LucianoBestia ver.1.0.0.

I need to generate a simple QR code for url that has max 53 bytes. I want to do this in wasm.
QR codes are pretty complicated. So specifying only one single use-case makes the code smaller. But it looses universality.
Smaller code is good for wasm.
The url I want to encode is like this:
https://bestia.dev/mem6/#p04.1234
There is a hash symbol here so I cannot use the alphanumeric mode.
I must use the byte mode.
There are 33 characters. It means there is some free space for future uses.
The smallest QR code for that is:

• version 3
• 29x29 modules
• ECC Level L
• data bits 440
• 53 bytes
• ISO-8859-1

The code is written by treeman. I just removed all the variants I don’t need.

I use this code my wasm project https://github.com/LucianoBestia/mem6_game.

Examples

 cargo run --example svg

References

https://github.com/treeman/rqr
https://www.thonky.com/qr-code-tutorial

Re-exports

pub use matrix::Matrix;

pub use matrix::Module;

pub use mode::Mode;

pub use qr::Qr;

pub use version::Version;

pub use builder::*;

pub use data::*;

pub use ec::*;

pub use info::*;

pub use mask::*;

pub use rendercommons::*;

pub use rendersvg::*;

pub use renderstring::*;

pub use renderfordodrio::*;

Modules

builder

QR code builder.

data

Data encoding.

ec

Error correction calculations.

info

Contains various QR specific encoding info.

mask

Masking flips data modules with certain patterns.

matrix

The matrix holds all modules in a QR code.

mode

Encoding modes for a QR code.

qr

Provides a simple and safe API.

rendercommons

Renders the QR code to different outputs.

renderfordodrio

Renders the QR code to different outputs.

renderstring

Renders the QR code to different outputs.

rendersvg

Renders the QR code to different outputs.

version

Specifies the version of a QR code.