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Export external SVG file painted with Javascript to PNG image


Export external SVG file painted with Javascript to PNG image

By : user2954370
Date : November 22 2020, 01:01 AM
it helps some times What about drawing the svg to the canvas, and then use the .toDataURL to get as PNG image?
--Update-- For a quick test, i run the below in the console from your live demo:
code :
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
var svgDoc = document.getElementById('mymap').getSVGDocument();
var svg = new Blob([svgDoc.lastChild.outerHTML], {type: 'image/svg+xml;charset=utf-8'});
var img = new Image(); 
img.onload = function(){ ctx.drawImage(img,0,0); };
img.src = url


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How could I make it such that javascript in an external file works only on an image in a div inside a PHP file?

How could I make it such that javascript in an external file works only on an image in a div inside a PHP file?


By : user3543207
Date : March 29 2020, 07:55 AM
it should still fix some issue You need to wait until the document is ready before you fire all that code, we call it domready or documentready in javascript.
To do this in jQuery use this:
code :
$(function() {
   // insert all your code here
});
$('.clickableimage') would select <img class="clickabelimage" src="..." />
Export JavaScript from PDF to external editor

Export JavaScript from PDF to external editor


By : W.Hao
Date : March 29 2020, 07:55 AM
this one helps. I agree that this question does not belong on StackOverflow, however, for the sake of helping out my fellow man:
If you want to export all of the JavaScript from a PDF to an external editor: go into the Preferences Menu, and choose the JavaScript option:
How do I convert an internal <script> tag to an external Javascript file? (for random image generator)

How do I convert an internal <script> tag to an external Javascript file? (for random image generator)


By : user2681190
Date : March 29 2020, 07:55 AM
will be helpful for those in need You have a lot right, but you are missing a few little things.
There are also a number of different ways you can complete this task. The following is as close as possible to your original code.
code :
<script defer src="javascript/rec_images.js"></script>
/*
    Pass the div id to the function to add the image.
*/
function random_ad(divId) {
    var random_img = [
        {link:"http://www.antares-sellier.com/en/",
           image:"javascript/js_images/antares.jpg"},
        // add as many as you want
        {link:"http://www.scesports.org/",
           image:"javascript/js_images/sces.jpg"}
       ];
    var random_number = Math.floor((Math.random()*random_img.length));
    var d = document.getElementById(divId);
    // always best to check the element was found.
    if (d) {
       var a = document.createElement("a");
       var i = document.createElement("img");
       a.setAttribute("href",random_img[random_number].link);
       i.setAttribute("src",random_img[random_number].image);
       a.appendChild(i);
       d.appendChild(a);
    }
 }
<script>
window.onload = function() {
    // pass the div id to the function
    random_ad("firstads");
}
</script>
</body>
</html>
Passing PHP image path to JavaScript them send it to external PHP file

Passing PHP image path to JavaScript them send it to external PHP file


By : Elimia
Date : March 29 2020, 07:55 AM
wish help you to fix your issue There are a couple of problems here. Firstly, if I understand what you're trying to do correctly, you have all kinds of extra characters in your imagepath. It begins and ends with an unnecessary dot and apostrophe, it should be simply:
code :
var imagepath = '<?php echo urlencode($image_name); ?>';
Can´t export canvas ti image if i add image from external url fabric js

Can´t export canvas ti image if i add image from external url fabric js


By : James Lee
Date : March 29 2020, 07:55 AM
this will help The funny thing, as you call it is called CORS. Cross origin resource sharing.
Fabricjs support some CORS functionality
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