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qrencoder

Quick Response Code (QR Code) / Matrix Barcode Creator

v0.1.0 · Sep 16, 2016 · GPL-2

Description

Quick Response codes (QR codes) are a type of matrix bar code and can be used to authenticate transactions, provide access to multi-factor authentication services and enable general data transfer in an image. QR codes use four standardized encoding modes (numeric, alphanumeric, byte/binary, and kanji) to efficiently store data. Matrix barcode generation is performed efficiently in C via the included 'libqrencoder' library created by Kentaro Fukuchi.

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CRAN Check Status

7 NOTE
7 OK
Show all 14 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang NOTE
r-devel-linux-x86_64-debian-gcc NOTE
r-devel-linux-x86_64-fedora-clang NOTE
r-devel-linux-x86_64-fedora-gcc NOTE
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 NOTE
r-oldrel-macos-x86_64 NOTE
r-oldrel-windows-x86_64 NOTE
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (14 non-OK)
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Bob Rudis <bob@rud.is>’

Found the following (possibly) invalid file URI:
  URI: CONDUCT.md
    From: README.md
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Bob Rudis <bob@rud.is>’

Found the following (possibly) invalid file URI:
  URI: CONDUCT.md
    From: README.md
NOTE r-devel-linux-x86_64-fedora-clang

compiled code

File ‘qrencoder/libs/qrencoder.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
NOTE r-devel-linux-x86_64-fedora-gcc

compiled code

File ‘qrencoder/libs/qrencoder.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
OK r-devel-macos-arm64

*


            
OK r-devel-windows-x86_64

*


            
NOTE r-oldrel-macos-arm64

LazyData

  'LazyData' is specified without a 'data' directory
NOTE r-oldrel-macos-x86_64

LazyData

  'LazyData' is specified without a 'data' directory
NOTE r-oldrel-windows-x86_64

LazyData

  'LazyData' is specified without a 'data' directory
OK r-patched-linux-x86_64

*


            
OK r-release-linux-x86_64

*


            
OK r-release-macos-arm64

*


            
OK r-release-macos-x86_64

*


            
OK r-release-windows-x86_64

*


            

Check History

NOTE 7 OK · 7 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 9, 2026
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Bob Rudis <bob@rud.is>’

Found the following (possibly) invalid file URI:
  URI: CONDUCT.md
    From: README.md
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Bob Rudis <bob@rud.is>’

Found the following (possibly) invalid file URI:
  URI: CONDUCT.md
    From: README.md
NOTE r-devel-linux-x86_64-fedora-clang

compiled code

File ‘qrencoder/libs/qrencoder.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
NOTE r-devel-linux-x86_64-fedora-gcc

compiled code

File ‘qrencoder/libs/qrencoder.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
NOTE r-oldrel-macos-arm64

LazyData

  'LazyData' is specified without a 'data' directory
NOTE r-oldrel-macos-x86_64

LazyData

  'LazyData' is specified without a 'data' directory
NOTE r-oldrel-windows-x86_64

LazyData

  'LazyData' is specified without a 'data' directory

Reverse Dependencies (1)

imports

Dependency Network

Dependencies Reverse dependencies raster Rcpp base64enc png qrlabelr qrencoder

Version History

new 0.1.0 Mar 9, 2026