Tue, 06 Jan 2015 21:39:09 +0100
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
michael@0 | 1 | <!DOCTYPE html> |
michael@0 | 2 | <html> |
michael@0 | 3 | <head> |
michael@0 | 4 | <canvas id="canvas" width="100" height="100"></canvas> |
michael@0 | 5 | |
michael@0 | 6 | <script> |
michael@0 | 7 | |
michael@0 | 8 | var canvas = document.getElementById('canvas'); |
michael@0 | 9 | var ctx = canvas.getContext('2d'); |
michael@0 | 10 | |
michael@0 | 11 | ctx.fillStyle = '#0f0'; |
michael@0 | 12 | ctx.fillRect(0, 0, 100, 100); |
michael@0 | 13 | |
michael@0 | 14 | ctx.beginPath(); |
michael@0 | 15 | ctx.rect(30, 30, 40, 40); |
michael@0 | 16 | ctx.clip(); |
michael@0 | 17 | |
michael@0 | 18 | ctx.beginPath(); |
michael@0 | 19 | ctx.arc(50, 50, 25, 0, 2 * Math.PI); |
michael@0 | 20 | ctx.clip(); |
michael@0 | 21 | |
michael@0 | 22 | ctx.fillStyle = '#f00'; |
michael@0 | 23 | |
michael@0 | 24 | ctx.fillRect(0, 0, 100, 100); |
michael@0 | 25 | |
michael@0 | 26 | </script> |
michael@0 | 27 | </body></html> |