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QrCode Decoder

The QrCode Decoder is used to enable or disable the Qrcode decoder.

Syntax

qrCode (Decoder) <META> Syntax

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

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

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

e.g. Scanner.qrCode = Value

Parameters

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

Name Possible Values Description Default Value
qrCode:[Value] enabled/Disabled Enables/Disables the Qrcode decoder. Device specific

Requirements

RhoElements Version 1.0.0 or above
Supported Devices All supported devices.
Minimum Requirements Scanner or Imager module and device that supports Qrcode.
Persistence Transient - Decoder settings are only guaranteed to persist until the Scanner is disabled

HTML/JavaScript Examples

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

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

Above example can also be written as shown below:

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

or

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

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

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