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Barcode library or Barcode SDK is a software library that can be used to add barcode features to desktop, web, mobile or embedded applications. Barcode library presents sets of subroutines or objects which allow to create barcode images and put them on surfaces or recognize machine-encoded text / data from scanned or captured by camera images with embedded barcodes.
An example of a High Capacity Color Barcode: a Microsoft Tag referring to the HCCB article on the English Wikipedia. High Capacity Color Barcode (HCCB) is a technology developed by Microsoft for encoding data in a 2D "barcode" using clusters of colored triangles instead of the square pixels conventionally associated with 2D barcodes or QR codes. [1]
ZBar is an open-source C barcode reading library with C++, Python, [2] Perl, and Ruby bindings. [3] [4] [5] It is also implemented on Linux and Microsoft Windows as a command-line application, [6] and as an iPhone application. [7] It was originally developed at SourceForge. [8]
Each symbol in the barcode is composed of three bars and three spaces. Each bar or space is 1, 2, 3 or 4 units wide, the sum of the widths of bars must be even (4, 6 or 8 units), the sum of the widths of the spaces must be odd (3, 5 or 7 units), and total 11 units per symbol.
Zebra Technologies Corporation is an American mobile computing company specializing in technology used to sense, analyze, and act in real time. [2] The company manufactures and sells marking, tracking, and computer printing technologies.
PDF417 is a stacked barcode that can be read with a simple linear scan being swept over the symbol. [4] Those linear scans need the left and right columns with the start and stop code words. Additionally, the scan needs to know what row it is scanning, so each row of the symbol must also encode its row number.
Labelling software This runs on a general-purpose personal computer, and is designed to create and/or format labels for printing. The software can use native OS printer drivers, or embed drivers in the software, bypassing the OS print subsystem. It may work with dedicated label printers as described in this article, or use sheet- or continuous ...
The mode message begins at the top-left corner of the core and wraps around it clockwise in a 1-bit thick layer. It begins with the most significant bit of the number of layers and ends with the check words. For a compact Aztec code, it is broken into four 7-bit pieces to leave room for the orientation marks.