[cairo-bugs] [Bug 23333] Mismatches hinting at certain glyph pixelsizes.

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23333


Owen Taylor <otaylor at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |NOTABUG




--- Comment #3 from Owen Taylor <otaylor at redhat.com>  2009-08-17 05:00:28 PST ---
Hinting is the process of adjusting the outlines of the glyph to fit to the
pixel grid to produce better contrast. The pixel grid is discrete so this
cannot be a continuous process. At some sizes, sizes will suddenly jump larger.

http://people.redhat.com/otaylor/grid-fitting/ discuss this process and how it
interacts with positioning and horizontal metrics in some detail.

What you are seeing is a normal consequence of hinting and not a bug. You can
actually turn off hinting of metrics in cairo and only turn on the hinting of
glyph shapes, but I don't think you'll find the result satisfactory.


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