[whatwg] Blurry lines in 2D Canvas (and SVG)
cabanier at gmail.com
Tue Jul 23 18:16:48 PDT 2013
I guess there's too many "might"s in there :-)
I want to "adjust line positions and line widths to align edges with device
pixels" but not "the user agent might turn off anti-aliasing for all lines
On Tue, Jul 23, 2013 at 6:11 PM, Brian Birtles <bbirtles at mozilla.com> wrote:
> (2013/07/24 10:07), Rik Cabanier wrote:
>> yeah, at first blush that seemed what was needed.
>> However, this simply turns off antialiasing completely so regular
>> artwork looks terrible.
> That's a quality of implementation issue. The description of the property
> value says,
> "Indicates that the user agent shall attempt to emphasize the contrast
> between clean edges of artwork over rendering speed and geometric
> precision. To achieve crisp edges, the user agent might turn off
> anti-aliasing for all lines and curves or possibly just for straight lines
> which are close to vertical or horizontal. Also, the user agent might
> adjust line positions and line widths to align edges with device pixels."
> I'm not sure what use case you have in mind though. Perhaps it's something
> that doesn't fit that description?
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