SignatureImageHeight Decoder Setting
The SignatureImageHeight Decoder Setting is used to set the image height property of the signature decoder.
Syntax
| signatureImageHeight (Decoder Setting) <META> Syntax
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<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;
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| SignatureImageHeight Ruby Object Syntax: |
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By default the Ruby 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 Ruby use the following syntax: Scanner.Parameter = Value
e.g. Scanner.signatureImageHeight = Value
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Parameters
Items listed in this section indicate parameters, or attributes which can be set.
| Name |
Possible Values |
Description |
Default Value |
| signatureImageHeight:[Value]
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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
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| 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">