Overview
The Pdf417 Decoder is used to enable or disable the PDF417 decoder.
Syntax
| pdf417 (Decoder) <META> Syntax |
|---|
<META HTTP-Equiv="scanner" content="PDF417:[parameter]"> |
| pdf417 JavaScript Object Syntax: |
|---|
| By default the JavaScript Object 'scanner' will exist on the current page and can be used to interact directly with the pdf417. |
|
To Set pdf417 parameters via JavaScript use the following syntax: scanner.Parameter = Value;
e.g. scanner.pdf417 = Value; |
Parameters
Items listed in this section indicate parameters, or attributes which can be set.
| Name | Possible Values | Description | Default Value |
|---|---|---|---|
| pdf417:[Value] | enabled/Disabled | Enables/Disables the PDF417 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 PDF417. |
| 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 PDF417 labels:
<META HTTP-Equiv="scanner" Content="allDecoders:disabled">
<META HTTP-Equiv="scanner" Content="PDF417:enabled">
<META HTTP-Equiv="scanner" Content="enabled">
Above example can also be written as shown below:
<META HTTP-Equiv="scanner" Content="allDecoders:disabled;PDF417:enabled;enabled">
or
<META HTTP-Equiv="scanner-all_decoders" Content="disabled">
<META HTTP-Equiv="scanner-PDF417" Content="enabled">
<META HTTP-Equiv="scanner-enabled" Content="SCN1">
The following example enables the scanner to read all labels except PDF417:
<META HTTP-Equiv="scanner" Content="allDecoders:enabled">
<META HTTP-Equiv="scanner" Content="PDF417:disabled">
<META HTTP-Equiv="scanner" Content="enabled">