GO-BARCODE

• zxing-cpp
• git-subtree

ZXING-CPP is added using Git subtree merging.

SETUP

GO-BARCODE requires ZXING-CPP which must be built separately on your platform of choice. Since ZXING-CPP uses CMake, there is no simple way to integrate this with CGO so a build script is provided instead. This script needs to be invoked once to produce a libzxing.a file which CGO will then link into your application directly during go build.

$ go get github.com/hyperworks/go-barcode
$ cd $GOPATH/src/github.com/hyperworks/go-barcode
$ ./build-zxing.sh

...

$ # ready to use

NOTE: CMake hardcodes the current path into the generated Makefiles, so if you ever move this repository after running the build script, you may need to clean the folder and re-run the script again.

CLI

To use this from the CLI, run go install on the CLI package:

$ go install github.com/hyperworks/go-barcode/scan
$ go install github.com/hyperworks/go-barcode/pngize
$ $GOPATH/bin/pngize barcode.pdf
barcode.pdf
  /var/folders/lb/d7m0fh9j58zby9l0nhznl7dr0000gn/T/barcode.pdf601205962/output.png
$ $GOPATH/bin/scan barcode.png
barcode.png
  9876543210128

FAQ

• Error: image: unknown format - Adds a side-effect import for your image format such as import _ "image/gif" or import _ "image/bmp".