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.
The 2007 Transformers film features an abundance of action sequences, showcasing the epic battles between the Autobots and Decepticons. The film's visual effects are stunning, with impressive CGI work and detailed robot designs. The transformation sequences, in particular, are a highlight of the film, demonstrating the versatility and creativity of the filmmakers.
The 2007 Transformers film follows the story of Sam Witwicky (Shia LaBeouf), a teenager who buys his first car, which turns out to be the Autobot Bumblebee. As the Transformers, a group of alien robots that can transform into various vehicles and objects, begin to appear on Earth, Sam finds himself in the middle of an ancient conflict between the Autobots and the Decepticons. The film features a star-studded cast, including Josh Duhamel, Megan Fox, and Tyrese Gibson. Transformers -2007- Dual Audio 720p Bluray
The Transformers franchise has been a beloved staple of science fiction and action entertainment for decades. The 2007 live-action film, directed by Michael Bay, marked a new era for the franchise, bringing the iconic robots to life in a big-budget Hollywood production. In this article, we'll take a closer look at the 2007 Transformers film, specifically the Dual Audio 720p Bluray version, and explore its features, plot, and overall viewing experience. The 2007 Transformers film features an abundance of
If you're a fan of science fiction, action movies, or the Transformers franchise, the 2007 Dual Audio 720p Bluray version is a great way to experience the film. With its engaging plot, memorable characters, and impressive visuals, this film is sure to entertain. So grab some popcorn, sit back, and enjoy the ride! The 2007 Transformers film follows the story of
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.
The 2007 Transformers film features an abundance of action sequences, showcasing the epic battles between the Autobots and Decepticons. The film's visual effects are stunning, with impressive CGI work and detailed robot designs. The transformation sequences, in particular, are a highlight of the film, demonstrating the versatility and creativity of the filmmakers.
The 2007 Transformers film follows the story of Sam Witwicky (Shia LaBeouf), a teenager who buys his first car, which turns out to be the Autobot Bumblebee. As the Transformers, a group of alien robots that can transform into various vehicles and objects, begin to appear on Earth, Sam finds himself in the middle of an ancient conflict between the Autobots and the Decepticons. The film features a star-studded cast, including Josh Duhamel, Megan Fox, and Tyrese Gibson.
The Transformers franchise has been a beloved staple of science fiction and action entertainment for decades. The 2007 live-action film, directed by Michael Bay, marked a new era for the franchise, bringing the iconic robots to life in a big-budget Hollywood production. In this article, we'll take a closer look at the 2007 Transformers film, specifically the Dual Audio 720p Bluray version, and explore its features, plot, and overall viewing experience.
If you're a fan of science fiction, action movies, or the Transformers franchise, the 2007 Dual Audio 720p Bluray version is a great way to experience the film. With its engaging plot, memorable characters, and impressive visuals, this film is sure to entertain. So grab some popcorn, sit back, and enjoy the ride!
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.