DataMatrix Decoder

RhoElements 2.x API


The DataMatrix Decoder is an action tag used to enable or disable the DataMatrix decoder.


dataMatrix (Decoder) <META> Syntax

<META HTTP-Equiv="scanner" content="DataMatrix:[parameter]">

dataMatrix JavaScript Object Syntax:
By default the JavaScript Object 'scanner' will exist on the current page and can be used to interact directly with the dataMatrix.
To Set dataMatrix parameters via JavaScript use the following syntax: scanner.Parameter = Value;

e.g. scanner.dataMatrix = Value;


Items listed in this section indicate parameters, or attributes which can be set.

NamePossible ValuesDescriptionDefault Value
dataMatrix:[Value] enabled/disabledEnables/Disables the DataMatrix decoder.Device specific


RhoElements Version1.0.0 or above
Supported DevicesAll supported devices.
Minimum RequirementsScanner or Imager module and device that supports DataMatrix.
PersistenceTransient - Decoder settings are only guaranteed to persist until the Scanner is disabled

HTML/JavaScript Examples

The following example enables the scanner to read only DataMatrix labels:

<META HTTP-Equiv="scanner" Content="allDecoders:disabled">
<META HTTP-Equiv="scanner" Content="DataMatrix:enabled">
<META HTTP-Equiv="scanner" Content="enabled">

Above example can also be written as shown below:

<META HTTP-Equiv="scanner" Content="allDecoders:disabled;DataMatrix:enabled;enabled">


<META HTTP-Equiv="scanner-all_decoders" Content="disabled">
<META HTTP-Equiv="scanner-DataMatrix" Content="enabled">
<META HTTP-Equiv="scanner-enabled" Content="SCN1">

The following example enables the scanner to read all labels except DataMatrix:

<META HTTP-Equiv="scanner" Content="allDecoders:enabled">
<META HTTP-Equiv="scanner" Content="DataMatrix:disabled">
<META HTTP-Equiv="scanner" Content="enabled">