[Wesnoth-dev] prerendering fonts

[ott]

A while back Dave speeded up the text drawing routines by using a more
efficient word fitting algorithm.  However, for long pieces of text there
is still a discernible delay in drawing.  Just wanted to point out some
C++ code posted by Bob Pendleton to the SDL list which prerenders vector
format TTF fonts at initialization, for post 1.0:
    http://www.devolution.com/pipermail/sdl/2004-December/066119.html
    http://www.devolution.com/pipermail/sdl/2004-December/066130.html

This requires some care to ensure the format of the rendered version
matches the format used for the display, so that the prerendered versions
don't trigger on-the-fly image conversion and thereby destroy the saving.

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