libdmtx libdmtx project is a shared library that can be used to read and write 2D Data Matrix barcode symbols.
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2D Barcode matrix barcode scanner 2D Data Matrix barcode library

libdmtx Description

libdmtx project is a shared library that can be used to read and write 2D Data Matrix barcode symbols. libdmtx project is a shared library that can be used to read (scan & decode) and write (encode & print) 2D Data Matrix barcode symbols. At its core libdmtx is a shared library, allowing other C programs to use its capabilities without restrictions or overhead. The package also includes Python bindings and command line utilities, exposing powerful functionality to many additional programmers and power users. libdmtx is distributed under the LGPL and can be used freely under these terms.Data Matrix barcodes are two-dimensional symbols that hold a dense pattern of data with built-in error correction. The Data Matrix symbology (sometimes casually referred to as "DataMatrix") was invented and released into the public domain by RVSI Acuity CiMatrix. Wikipedia has a good article on the symbology and its characteristics. What's New in This Release: · Move SetRangeLimit and SetScanRegion into library · Replace DMTXUTIL_SUCCESS/ERROR with DMTX_SUCCESS/FAILURE · Add edge threshold filtering · Add encoding support for 144x144 barcodes · Fixed encoding case when message starts with two digits · Fixed bug in range limit option · Add dynamic image shrinking (pixel skipping) · Add step-by-step diagnostic image dump (debug build) · Fixed bug in minimum scan gap setting · Removed y-flip from internal pixel storage · Added strict border tests to eliminate false positives · Added squareness deviation filter · Implement simplified Hough transform for locating first edge · Several behind-the-scenes performance enhancements · Python wrapper update; 15x faster (thanks Jonathan!) · New PHP wrapper code added · Various improvements when building for OS X and FreeBSD

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