How to save image on a kineticjs canvas to database?

@filiberto 

To save an image on a KineticJS canvas to a database, you will first need to convert the image to a data URL using the toDataURL method in KineticJS. Once you have the data URL, you can send it to a server using an AJAX request and save it to a database.

Here is an example of how you can save an image on a KineticJS canvas to a database:

1. Convert the image to a data URL using the toDataURL method:

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var dataURL = stage.toDataURL();

1. Send the data URL to a server using an AJAX request. You can use jQuery to make the AJAX request:

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$.ajax({
   type: "POST",
   url: "save_image.php",
   data: { image: dataURL }
})
.done(function( response ) {
   // Handle the response from the server
   console.log( "Image saved successfully" );
});

1. On the server side, you will need to handle the POST request and save the image data to a database. Here is an example using PHP:

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<?php
// Get the image data from the POST request
$imageData = $_POST['image'];

// Save the image data to a database
// Here you would typically use a database query to insert the image data into a table
?>

Remember to handle any security concerns, such as validating the data and sanitizing inputs, before saving the image to the database.