Canvas and anti-aliasing

[Christopher Piggott]

Hi,

I made an analog gauge using GWT Canvas but the needle isn't anti-
aliased so it doesn't look so hot. Is there a way to draw
using .lineTo() and get a nice anti-aliased line?

--Chris

[Jamie]

I do not believe you can control this, but rather, it is left up to
the browser / OS.
I have done some html5 drawings that are anti-aliased, with FF on
Windows and Linux.

What browser and OS are you using?

Also, you can just try adjusting the line width.

[David Chandler]

According to http://www.html5rocks.com/en/tutorials/canvas/performance/, if you draw with sub-pixel coordinates, Canvas will automatically do anti-aliasing.

HTH,

/dmc

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