[Poppler-bugs] [Bug 3307] subpixel-hinted rendering of text with poppler

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=3307

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
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                 CC|                            |chris at chris-wilson.co.uk

--- Comment #25 from Chris Wilson <chris at chris-wilson.co.uk> 2010-06-14 08:15:53 PDT ---
Enabling sub-pixel hinted text turns out to be far tricker than one naively
expects. This is due to the number of intermediate layers through which PDF is
rendered, all supporting just a single alpha channel. At the moment, the only
way I can think of supporting sub-pixel hinted geometry (why just limit it to
text ;-) is through the use of auxiliary alpha maps, i.e. we need to preserve
per-component alpha through the entire render pipeline in order to composite
correctly onto the destination framebuffer. Tricky, but not impossible.

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