[Webkit-unassigned] [Bug 59589] REGRESSION(r77282-r77559): Scaled SVG text should pixel-align pre-scale

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=59589





--- Comment #5 from Alan Tam <Tam at SiuLung.com>  2011-04-27 22:45:03 PST ---
Hi Dirk,

Please refer to the attached screenshot of my test results for the discussion below.

It is not a kerning issue, but whether to align every glyph of the font onto the pixel grid. Note from the test results (test case 3) that all 4 browsers except Firefox does attempt to align every glyph to the pixel grid. Hence, every "i" is rendered in the same color (colored due to subpixel-antialiasing). Personally I don't care which way the browsers renders.

For HTML with scaling (test case 2), I expect browsers, even if they align to pixel grid, aligns to the grid that is 100x larger (i.e. when the font is 1100px large). Hence, every "i" is rendered in different color. All browsers seem to agree with this.

Test results (test case 1) with all browsers except WebKit trunk are same as what I expected, which is the same as rendering HTML unscaled.

I don't care whether to revert to Safari 5's behavior or follow Firefox 4's, but I believe the current one in WebKit trunk is a bug. In fact no browser agree with current WebKit trunk's behavior.

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