Overview
The SignatureImageQuality Decoder Setting is used to set the image quality property of the signature decoder.
Syntax
| signatureImageQuality (Decoder Setting) <META> Syntax |
|---|
<META HTTP-Equiv="scanner" content="signatureImageQuality:[parameter]"> |
| signatureImageQuality 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 signatureImageQuality. |
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To Set signatureImageQuality parameters via JavaScript use the following syntax: scanner.Parameter = Value;
e.g. scanner.signatureImageQuality = Value; |
Parameters
Items listed in this section indicate parameters, or attributes which can be set.
| Name | Possible Values | Description | Default Value |
|---|---|---|---|
| signatureImageQuality:[Value] | 0 - 100 | Specifies the quality of the compressed JPEG image. 100 means optimize for the highest quality and 0 means optimize for image size. 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 signatureImageQuality parameter
<META HTTP-Equiv="scanner" Content="signature:enabled">
<META HTTP-Equiv="scanner" Content="barcodeDataFormat:binary;dataBufferSize:5000">
<META HTTP-Equiv="scanner" Content="signatureImageQuality:100">
<META HTTP-Equiv="scanner" Content="enabled">