Signature
Signature
[ ZK EE ] [ since 8.6.0 ]
Employment/Purpose
Signature component is a signature pad that supports the desktop and mobile browsers. User can customize pen size, pen color, background color etc, it also provides undo, save and clear method.
Example
<signature width="600px" height="300px" penColor="white" backgroundColor="#AED6F1" penSize="6"/>
Methods
There are some methods to control the Signature:
1. undo: to remove the last step that was drawn on the signature pad.
2. save: to save the signature image to the server, user can get the image by listening onSave event.
3. clear: to clear signature pad.
Toolbar
The toolbar contain three buttons: undo button, clear button and save button, it is enable by default, if you don't want to show the toolbar, please use the following setting.
<signature toolbarVisible="false"/>The toolbar button only contains icon by default, if you want to show message after icon, we provide three attributes: undoLabel, clearLabel, saveLabel.
Default:
Customized:
<signature undoLabel="Undo" clearLabel="Clear" saveLabel="Save"/>Style
There are some attributes to adjust the signature style:
1. penSize, the width of a line on signature, defaults to 1.
2. penColor, can be any color format accepted by context.fillStyle(canvas), defaults to black.
3. backgroundColor, can be any color format accepted by context.fillStyle(canvas), defaults to white.
Supported Events
| Event: Event
When user invoke the save method, the event would be triggered. | |
| Event: Event
When user invoke the clear method, the event would be triggered. |
Version History
| Version | Date | Content |
|---|---|---|
| 8.6.0 | August 2018 |