Hi Alexei, Chromium, on many configurations, does do subpixel positioning. Just because we say that, doesn't mean it doesn't cache bitmaps. I think Skia does, by default, a 4x1 subpixel grid. That's implementation details though.
On Tue, Feb 20, 2018 at 9:01 AM, Alexei Podtelezhnikov <[email protected]> wrote: > > I'm not an expert on how the code works, but my understanding is that > > subpixel positioning is the norm. > > I highly doubt that Chromium implements subpixel positioning. This > isn't the norm. > > - LCD (subpixel) rendering is about utilizing color channels > separately to improve glyph appearance. > - Subpixel position is freedom of placement of outlines relative to > pixel grid *before* rendering, so it is different. > - Kerning is about spacing of letter pairs like "AV". Again I am not > sure your bug is about that. > - Hinting is about improving contrast, relevant mostly to non-LCD rendering > > You mention all of these in the bug report... This is intractable and > confusing. Can you identify specific problem and file bug report with > FreeType if you think it is our problem? > > _______________________________________________ > Freetype-devel mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/freetype-devel > -- behdad http://behdad.org/
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