Overview
The SignatureImageHeight Decoder Setting is used to set the image height property of the signature decoder.
Syntax
| signatureImageHeight (Decoder Setting) <META> Syntax |
|---|
<META HTTP-Equiv="scanner" content="signatureImageHeight:[parameter]"> |
| signatureImageHeight JavaScript Object Syntax: |
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| By default the JavaScript Object 'scanner' will exist on the current page and can be used to interact directly with the signatureImageHeight. |
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To Set signatureImageHeight parameters via JavaScript use the following syntax: scanner.Parameter = Value;
e.g. scanner.signatureImageHeight = Value; |
Parameters
Items listed in this section indicate parameters, or attributes which can be set.
| Name | Possible Values | Description | Default Value |
|---|---|---|---|
| signatureImageHeight:[Value] | number | The height of the desired output image. The barcode will be returned as a Data URI object with a jpeg mime type, you should specify the barcodeDataFormat and dataBufferSize parameters accordingly. | Device specific |
Requirements
| RhoElements Version | 2.1 or above |
|---|---|
| Supported Devices | All supported devices except: Enterprise Tablet. |
| Minimum Requirements | Scanner and device that supports the Signature decoder. |
| Persistence | Transient - Decoder settings are only guaranteed to persist until the Scanner is disabled |
HTML/JavaScript Examples
The following example enables the scanner to specify the signatureImageHeight parameter
<META HTTP-Equiv="scanner" Content="signature:enabled">
<META HTTP-Equiv="scanner" Content="signatureImageHeight:200">
<META HTTP-Equiv="scanner" Content="barcodeDataFormat:binary;dataBufferSize:5000">
<META HTTP-Equiv="scanner" Content="enabled">