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