A jQuery UIplugin
that captures or draws a signature.
It requires the jQuery UI widget and mouse modules and needs the
excanvas.js add-in for older IE versions.
The current version is 1.2.1 and is available
under the MIT licence.
For more detail see the documentation reference page.
Or see a minimal page that you could
use as a basis for your own investigations.
No retrospective is complete without addressing risks. The wwwwebxseries 2021 codebase had three notable weaknesses:
Web series in 2021 were designed specifically with the smartphone in mind, featuring vertical video experiments and highly optimized compression rates for seamless viewing on 4G and newly emerging 5G networks. The Lasting Impact of the 2021 Web Series Boom
The content associated with "wwwwebxseries 2021" highlights several crucial narrative shifts that permanently altered media consumption: wwwwebxseries 2021
Mainstream Bollywood was playing it safe, but these regional apps were not. They offered short, punchy series with bold themes, suspenseful plots, and "uncut" versions that couldn't be found elsewhere. The "wwwwebxseries" query became the map to this hidden goldmine.
The driving force behind this was , whose mission is to bridge the information gap between Japan and the global Web3 industry. Having grown to be the number-one accessed crypto media in Japan by 2019 and ranking in the global top three by 2020, CoinPost was uniquely positioned to launch a world-class conference. By late 2022, the seeds planted in 2021 had fully bloomed with the official launch of CoinPost Global and the WebX conference, setting the stage for its first physical conference in July 2023 at the Tokyo International Forum. No retrospective is complete without addressing risks
The Digital Boom: Analyzing the "wwwwebxseries 2021" Phenomenon and the Golden Age of Web Streaming
The year was marked by high-quality productions that dominated social media conversations and critical rankings.
: Top-tier film actors and directors shifted to web series, recognizing the creative freedom offered by episodic formats.
Despite the risks, some users may still be tempted by the no‑cost, no‑registration model. A few domains—such as webxseries.org—are described as having a user‑friendly interface with reviews, ratings, and recommendations, and they may even pass basic security checks like HTTPS and SSL certificates. However, even these seemingly “safer” sites cannot be fully trusted because:
Options
Customise the signature functionality through additional settings.
Using metadata for configuration may require adding the jquery.metadata.js plugin to your page.
Events
You can be notified when the signature has changed via the change setting.
And you can erase the signature with the clear command and
test for any content via the isEmpty command.
Extract the signature as a JSON value, and later re-draw it from that value.
Alternately you can generate the signature as SVG, or as a data URL in PNG or JPEG format.
No retrospective is complete without addressing risks. The wwwwebxseries 2021 codebase had three notable weaknesses:
Web series in 2021 were designed specifically with the smartphone in mind, featuring vertical video experiments and highly optimized compression rates for seamless viewing on 4G and newly emerging 5G networks. The Lasting Impact of the 2021 Web Series Boom
The content associated with "wwwwebxseries 2021" highlights several crucial narrative shifts that permanently altered media consumption:
Mainstream Bollywood was playing it safe, but these regional apps were not. They offered short, punchy series with bold themes, suspenseful plots, and "uncut" versions that couldn't be found elsewhere. The "wwwwebxseries" query became the map to this hidden goldmine.
The driving force behind this was , whose mission is to bridge the information gap between Japan and the global Web3 industry. Having grown to be the number-one accessed crypto media in Japan by 2019 and ranking in the global top three by 2020, CoinPost was uniquely positioned to launch a world-class conference. By late 2022, the seeds planted in 2021 had fully bloomed with the official launch of CoinPost Global and the WebX conference, setting the stage for its first physical conference in July 2023 at the Tokyo International Forum.
The Digital Boom: Analyzing the "wwwwebxseries 2021" Phenomenon and the Golden Age of Web Streaming
: The increase in data-driven content recommendations helped niche series find their specific "www" audience.
The year was marked by high-quality productions that dominated social media conversations and critical rankings.
: Top-tier film actors and directors shifted to web series, recognizing the creative freedom offered by episodic formats.
Despite the risks, some users may still be tempted by the no‑cost, no‑registration model. A few domains—such as webxseries.org—are described as having a user‑friendly interface with reviews, ratings, and recommendations, and they may even pass basic security checks like HTTPS and SSL certificates. However, even these seemingly “safer” sites cannot be fully trusted because:
C# Rendering
You can render an image from the signature JSON text on the server.
The following shows how to do this in .NET 4.5 C#, thanks to Daniel Knight.
You would call this code as follows
and it returns a base64 encoded byte array as a string:
GetBase64Png(jsonEncoding, width, height);
using System;
using System.Collections.Generic;
using System.Web.Script.Serialization;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Web.Http;
public class GraphicsController : ApiController
{
[HttpGet]
[ActionName("GetBase64Png")]
public string GetBase64Png([FromUri] string linesGraphicJSON, [FromUri] int width, [FromUri] int height)
{
return Draw2DLineGraphic(new JavaScriptSerializer().Deserialize<Signature>(linesGraphicJSON), width, height);
}
private string Draw2DLineGraphic(I2DLineGraphic lineGraphic, int width, int height)
{
//The png's bytes
byte[] png = null;
//Create the Bitmap set Width and height
using (Bitmap b = new Bitmap(width, height))
{
using (Graphics g = Graphics.FromImage(b))
{
//Make sure the image is drawn Smoothly (this makes the pen lines look smoother)
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
//Set the background to white
g.Clear(Color.White);
//Create a pen to draw the signature with
Pen pen = new Pen(Color.Black, 2);
//Smooth out the pen, making it rounded
pen.DashCap = System.Drawing.Drawing2D.DashCap.Round;
//Last point a line finished at
Point LastPoint = new Point();
bool hasLastPoint = false;
//Draw the signature on the bitmap
foreach (List<List<double>> line in lineGraphic.lines)
{
foreach (List<double> point in line)
{
var x = (int)Math.Round(point[0]);
var y = (int)Math.Round(point[1]);
if (hasLastPoint)
{
g.DrawLine(pen, LastPoint, new Point(x, y));
}
LastPoint.X = x;
LastPoint.Y = y;
hasLastPoint = true;
}
hasLastPoint = false;
}
}
//Convert the image to a png in memory
using (MemoryStream stream = new MemoryStream())
{
b.Save(stream, ImageFormat.Png);
png = stream.ToArray();
}
}
return Convert.ToBase64String(png);
}
public class Signature : I2DLineGraphic
{
public List<List<List<double>>> lines { get; set; }
}
interface I2DLineGraphic
{
List<List<List<double>>> lines { get; set; }
}
}
In the Wild
This tab highlights examples of this plugin in use "in the wild".
None as yet.
To add another example, please contact me (kbwood.au{at}gmail.com)
and provide the plugin name, the URL of your site, its title,
and a short description of its purpose and where/how the plugin is used.
Quick Reference
A full list of all possible settings is shown below.
Note that not all would apply in all cases. For more detail see the
documentation reference page.
$(selector).signature({
background: '#ffffff', // Colour of the background
color: '#000000', // Colour of the signature
thickness: 2, // Thickness of the lines
guideline: false, // Add a guide line or not?
guidelineColor: '#a0a0a0', // Guide line colour
guidelineOffset: 25, // Guide line offset from the bottom
guidelineIndent: 10, // Guide line indent from the edges
// Error message when no canvas
notAvailable: 'Your browser doesn\'t support signing',
scale: 1, // A scaling factor for rendering the signature (only applies to redraws).
syncField: null, // Selector for synchronised text field
syncFormat: 'JSON', // The output respresentation: 'JSON' (default), 'SVG', 'PNG', 'JPEG'
svgStyles: false, // True to use style attribute in SVG
change: null // Callback when signature changed
});
$.kbw.signature.options // Access settings for all instances
$(selector).signature('option', settings) // Change the instance settings
$(selector).signature('option', name, value) // Change an instance setting
$(selector).signature('option') // Retrieve the instance settings
$(selector).signature('option', name) // Retrieve an instance setting
$(selector).signature('enable') // Enable the signature functionality
$(selector).signature('disable') // Disable the signature functionality
$(selector).signature('destroy') // Remove the signature functionality
$(selector).signature('clear') // Erase any signature
$(selector).signature('isEmpty') // Determine if there is no signature
$(selector).signature('toDataURL') // Convert the signature to an image in a data: URL
$(selector).signature('toJSON') // Convert the signature to JSON
$(selector).signature('toSVG') // Convert the signature to SVG
$(selector).signature('draw', sig) // Re-draw the signature from JSON, SVG, or a data: URL
Usage
Include the jQuery and jQuery UI libraries and CSS in the head section of your page.