bargenlib

A barcode image generator and exporter for C++11.

Documentation

bargenlib supports bitmap (.bmp) and png (.png), grayscale and alpha image encoding.

The library can be accessed using the bargenlib namespace which contains 2 enumerators and 1 function:

• The Encoding enum which specifies your code's encoding as a barcode. The library currently provides and supports UPC_A, EAN_8, and EAN_13.

• The FileType enum which specifies your image's encoding. The library currently only supports bitmap (.bmp), png (.png) png with alpha/transparency (.png). These file types are accessible through BMP, PNG, and PNG_A, respectively.

• The save() function which takes a std::vector<int> code that will be used to generate your barcode image, a string to your file path like ../../../my_barcode.bmp, an Encoding enum to specify your code's encoding format, and a FileType enum to specify your image's encoding format:

  void save(const std::vector<int> &code, const std::string &path, Encoding codeType, FileType fileType)

Slight additional documentation can be found in bargenlib.h.

Building

The following files are needed to utilize the library:

• bargenlib.h
• bargenlib.cpp
• lodepng.h
• lodepng.cpp

The files inside the include folder may be placed in your projects include directory as is (lodepng.h must be in root). No other library is necessary.

Compiling

If you have some my_program.cpp that uses bargenlib, simply build the source files and make sure the contents of the include directory is placed in a specified include directory, like so:

g++ my_program.cpp lodepng.cpp bargenlib.cpp (the include contents, located in the project root)

or:

clang++ -Iinclude my_program.cpp lodepng.cpp bargenlib.cpp (the include directory is specified)

You may use whatever compiler flags you need for your specific compiler or build system for your project instead of these commands.

Credits

Credit to lodepng for supplying the code for encoding png images.

You may want to take a look at lodepng.h or the lodepng repository for additional compiler flags to disable compilation of unused sections of lodepng at your own discretion, like the decoder.