srijan / ruby-dmtx Goto Github PK

Libdmtx wrapper gem for ruby

C 81.43% Ruby 17.46% Shell 1.11%

ruby-dmtx's Introduction

This is a gem enabled version with some additional features of the ruby wrapper for libdmtx that can be found at: https://github.com/dmtx/dmtx-wrappers

The original README file is renamed as libdmtx-README.

Installation

gem install Rdmtx

Dependencies

libdmtx
rmagick

Example

require 'rmagick'
require 'Rdmtx'
rdmtx = Rdmtx.new
i = rdmtx.encode("Hello you !!", 5, 5)
i.write("output.png")

See test.rb for a decode example.

API

Create new Rdmtx object

rdmtx.new

Encoding

rdmtx.encode(String, MarginSize, ModuleSize, SizeRequest)

Creates and returns an rmagick image object by encoding String with (optional arguments) margin MarginSize, module ModuleSize, and request a particular size of the output SizeRequest.

MarginSize is the margin in number of pixels
ModuleSize is the size of one module in number of pixels
SizeRequest has to be one of pre-defined constants like: DmtxSymbolSquareAuto, DmtxSymbol10x10, etc.. See ext/rdmtx/Rdmtx.c for a full listing of the possible values.

Decoding

rdmtx.decode(Image, Timeout)

Decodes the rmagick image object Image within Timeout.

Development Environment

Dependencies

sudo apt install software-properties-common
sudo apt-add-repository -y ppa:rael-gc/rvm
sudo apt update
sudo apt install rvm
sudo apt install libmagickwand-dev libdmtx-dev
rvm install 2.7

Build gem

rvm use 2.7@ruby-dmtx
gem build Rdmtx.gemspec

Install and test local gem

gem install ./Rdmtx-0.5.0.gem
./test.rb
./test.rb output.png

Upload to rubygems

gem push Rdmtx-0.5.0.gem

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audy pharmony nittarab arpanlepcha schappim gonzaloaune yurinds

ruby-dmtx's Issues

Issues during instalation

Hi,

Have you seen the error bellow?

gem install Rdmtx -v '0.2.2'
Building native extensions.  This could take a while...
ERROR:  Error installing Rdmtx:
	ERROR: Failed to build gem native extension.

    /Users/alberto/.rbenv/versions/2.2.5/bin/ruby -r ./siteconf20170508-70874-93ho0q.rb extconf.rb
checking for main() in -ldmtx... no
creating Makefile

make "DESTDIR=" clean

make "DESTDIR="
compiling Rdmtx.c
Rdmtx.c:26:10: fatal error: 'dmtx.h' file not found
#include <dmtx.h>
         ^
1 error generated.
make: *** [Rdmtx.o] Error 1

make failed, exit code 2

Gem files will remain installed in /Users/alberto/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/gems/Rdmtx-0.2.2 for inspection.
Results logged to /Users/alberto/.rbenv/versions/2.2.5/lib/ruby/gems/2.2.0/extensions/x86_64-darwin-16/2.2.0-static/Rdmtx-0.2.2/gem_make.out

Regards

Bumping rmagick dependency

Can we bump the rmagick dependency to ~> 4?

Issues with M1

I'm testing our application on the new M1 machines and ran into an issue with this Gem when loading up my application.

dlopen(/Users/silas/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/Rdmtx-0.4.0/lib/Rdmtx.bundle, 0x0009): symbol not found in flat namespace '_dmtxDecodeCreate' - /Users/silas/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/Rdmtx-0.4.0/lib/Rdmtx.bundle (LoadError)

I've googled around, but not finding anything helpful. This extension is pretty thin so I'm not sure if it's related to this repo or not.

Error installing with latest imagemagick: Can't install RMagick 2.16.0. Can't find MagickWand.h.

Looks like it's compatible with an older version of imagemagick, but not the latest one from homebrew:

gem install Rdmtx

Fetching: rmagick-2.16.0.gem (100%)
Building native extensions.  This could take a while...
ERROR:  Error installing Rdmtx:
    ERROR: Failed to build gem native extension.

    current directory: /Users/andrew/.rvm/gems/ruby-2.1.5@project/gems/rmagick-2.16.0/ext/RMagick
/Users/andrew/.rvm/rubies/ruby-2.1.5/bin/ruby -r ./siteconf20170823-69648-5nbwsd.rb extconf.rb
checking for gcc... yes
checking for Magick-config... no
checking for pkg-config... yes
checking for outdated ImageMagick version (<= 6.4.9)... no
checking for presence of MagickWand API (ImageMagick version >= 6.9.0)... no
checking for Ruby version >= 1.8.5... yes
checking for stdint.h... yes
checking for sys/types.h... yes
checking for wand/MagickWand.h... no

Can't install RMagick 2.16.0. Can't find MagickWand.h.
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
    --with-opt-dir
    --with-opt-include
    --without-opt-include=${opt-dir}/include
    --with-opt-lib
    --without-opt-lib=${opt-dir}/lib
    --with-make-prog
    --without-make-prog
    --srcdir=.
    --curdir
    --ruby=/Users/andrew/.rvm/rubies/ruby-2.1.5/bin/ruby

To see why this extension failed to compile, please check the mkmf.log which can be found here:

/Users/andrew/.rvm/gems/ruby-2.1.5@project/extensions/x86_64-darwin-16/2.1.0/rmagick-2.16.0/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /Users/andrew/.rvm/gems/ruby-2.1.5@project/gems/rmagick-2.16.0 for inspection.
Results logged to /Users/andrew/.rvm/gems/ruby-2.1.5@project/extensions/x86_64-darwin-16/2.1.0/rmagick-2.16.0/gem_make.out

Doesn't work storing data to string and Tempfile

[2] pry(main)> Rdmtx.new.encode("Hello you !!", 5, 5).to_blob
Magick::ImageMagickError: no decode delegate for this image format `' @ error/blob.c/ImageToBlob/1553
from (pry):2:in `to_blob'

[3] pry(main)> Rdmtx.new.encode("Hello you !!", 5, 5).write(Tempfile.new)
Magick::ImageMagickError: no encode delegate for this image format `' @ error/constitute.c/WriteImage/1176
from (pry):3:in `write'

RMagick version required

RMagick 4 with ruby 2.6+ has an incompatibility issue with MacOS systems. Can it be updated to 4.1.x ? That also adds support to Imagemagick 7. As was beeing discussed here rmagick/rmagick#483

If needed, how could I make that change locally, test it and create a PR for that?

srijan / ruby-dmtx Goto Github PK

ruby-dmtx's Introduction

Installation

Dependencies

Example

API

Create new Rdmtx object

Encoding

Decoding

Development Environment

Dependencies

Build gem

Install and test local gem

Upload to rubygems

ruby-dmtx's People

Contributors

Stargazers

Watchers

Forkers

ruby-dmtx's Issues

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