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 | <title>text to ensure text attributes are saved in the context state</title> |
michael@0 | 5 | </head> |
michael@0 | 6 | <body> |
michael@0 | 7 | <canvas id="c" width="128" height="64" style="direction:ltr"></canvas> |
michael@0 | 8 | <script type="text/javascript"> |
michael@0 | 9 | var canvas = document.getElementById('c'); |
michael@0 | 10 | var ctx = canvas.getContext('2d'); |
michael@0 | 11 | |
michael@0 | 12 | ctx.textAlign = 'left'; |
michael@0 | 13 | ctx.textBaseline = 'top'; |
michael@0 | 14 | ctx.font = '16px sans-serif'; |
michael@0 | 15 | |
michael@0 | 16 | ctx.save(); |
michael@0 | 17 | |
michael@0 | 18 | ctx.textAlign = 'right'; |
michael@0 | 19 | ctx.textBaseline = 'alphabetic'; |
michael@0 | 20 | ctx.font = '24px serif'; |
michael@0 | 21 | |
michael@0 | 22 | ctx.save(); |
michael@0 | 23 | |
michael@0 | 24 | ctx.textAlign = 'center'; |
michael@0 | 25 | ctx.textBaseline = 'bottom'; |
michael@0 | 26 | ctx.font = '10px sans-serif'; |
michael@0 | 27 | |
michael@0 | 28 | ctx.fillText('something', 80, 60); |
michael@0 | 29 | |
michael@0 | 30 | ctx.restore(); |
michael@0 | 31 | |
michael@0 | 32 | ctx.fillText('other thing', 128, 40); |
michael@0 | 33 | |
michael@0 | 34 | ctx.restore(); |
michael@0 | 35 | |
michael@0 | 36 | ctx.fillText('yet another thing', 0, 0); |
michael@0 | 37 | |
michael@0 | 38 | </script> |
michael@0 | 39 | </body> |
michael@0 | 40 | </html> |