[cairo] Text performance on windows?

Damian Frank damian.frank at gmail.com
Mon Aug 25 18:38:37 PDT 2008

I'm pretty new to Cairo, and I've been looking at using it for a codebase
that currently uses, variously, Xlib, GDI, GDI+, and Quartz, among others.
Performance is one of my chief concerns, though.  At the moment I'm looking
at text performance, and I have some serious concerns.  For now, I am just
benchmarking on Windows, and only for to-screen rendering (as opposed to
printing or PS/PDF/etc).

Can someone give me some pointers on staying on the fast code paths for text
rendering on win32?  My tests so far show image and DDB both taking about
15-20x as long as our GDI implementation, and 24-bit DIB taking about 5x as


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