I am getting frames from canvas through canvas.getDataURL().  However, now I have an array of png images, but I want a video file.  How do I do this?  var canvas = document.getElementById("mycanvaselementforvideocapturing"); var pngimages = [...
So I'm trying to create a print map function for an OpenLayers 3 application I'm building. I'm aware of their example but whenever I attempt to use it I run into the dreaded tainted canvas issue. I've read the whole internet and come...
Background Setup  I have a web application that deals with creating images from a set of other images. The way I've chosen to do that is by reading in a set of images and placing them on an HTML canvas. Then, I export each canvas as a jpeg to a t...
I have a Fabric.js prototype where people can load photos, text, and maps into the canvas. When they're done, I want them to be able to save the canvas as an image. I've tried using the standard:  canvasURL = canvas.toDataURL(); var image = n...
I checked this same code in Firefox and it works perfectly. In fact, this worked in Chrome a few weeks back, but now I'm just getting a blank screen.  The code is below:   The function triggers on button click.   function saving() {   var saveURL...
After rendering the canvas the toDataURL returning image with canvas scale(My canvas scale is 700 x 600). How to return image with my Original Height and Width. Not canvas Width and Height. Here is the code section.    $(document).on('click',...
canvas.toBlob() requires a callback function but canvas.toDataURL() returns the result synchronously.  Why the difference?  It's not a problem, but I'm super curious and I can't find an explanation for why it is that way....
<script>   var canvas = document.getElementById('myCanvas');   var context = canvas.getContext('2d');   var img = new Image();   img.onload = function(){     canvas.width=img.width;     canvas.height=img.height;     context.draw...
I have saved in a database a string return by the javascript method toDataURL. An exemple is available here: http://pastebin.com/0Qu8rngD  I need to return the image in a django response. Something like:  return HttpResponse(image, mimetype='imag...
I am making paint like web application using canvas, it is working properly on Firefox but when I reload the page on chrome and use .ToDataURL function it gives me an error of  Tainted canvases may not be exported  canvas = document.getElementById(&#...

Tags

Recent Questions

Top Questions

Home Tags Terms of Service Privacy Policy DMCA Contact Us

©2020 All rights reserved.