mirror of
https://github.com/kkapsner/CanvasBlocker
synced 2024-12-22 21:00:23 +01:00
45 lines
1.2 KiB
HTML
45 lines
1.2 KiB
HTML
<!DOCTYPE html>
|
|
|
|
<html>
|
|
<body>
|
|
iFrame Test. Thanks to DocumentRoot.
|
|
<img id="display" width="100%">
|
|
<iframe id="iframe" sandbox="allow-same-origin" style="display:none"></iframe>
|
|
<script>
|
|
(function(){
|
|
document.getElementById("display").src = after();
|
|
}());
|
|
|
|
function after(){
|
|
var fp_text = "BrowserLeaks,com <canvas> 10";
|
|
|
|
// create window canvas
|
|
var canvas = document.createElement('canvas');
|
|
canvas.setAttribute("width", 220);
|
|
canvas.setAttribute("height", 30);
|
|
|
|
// draw image in window canvas
|
|
var ctx = canvas.getContext('2d');
|
|
ctx.textBaseline = "top";
|
|
ctx.font = "14px 'Arial'";
|
|
ctx.textBaseline = "alphabetic";
|
|
ctx.fillStyle = "#f60";
|
|
ctx.fillRect(125, 1, 62, 20);
|
|
ctx.fillStyle = "#069";
|
|
ctx.fillText(fp_text, 2, 15);
|
|
ctx.fillStyle = "rgba(102, 204, 0, 07)";
|
|
ctx.fillText(fp_text, 4, 17);
|
|
|
|
// create iframe canvas and ctx
|
|
var iframe_canvas = document.getElementById("iframe").contentDocument.createElement('canvas');
|
|
iframe_canvas.setAttribute("width", 220);
|
|
iframe_canvas.setAttribute("height", 30);
|
|
var iframe_ctx = iframe_canvas.getContext('2d');
|
|
|
|
// copy image from window canvas to iframe ctx
|
|
iframe_ctx.drawImage(canvas, 0, 0);
|
|
|
|
return iframe_canvas.toDataURL();
|
|
}
|
|
</script>
|
|
</body></html> |