nanogui: freetype2 now works
Subject:
Re: [nanogui] freetype2 now works
From:
Steven Scholz ####@####.####
Date:
12 Dec 2005 07:45:59 +0000
Message-Id: <439D2AB1.9030804@imc-berlin.de>
Greg Haerr wrote:
>>IIUC then when using a freetypefont for the first time in an application
>>it is loaded from the *.ttf file and all characters are rendered into
>>some memory. Then these bitmaps are copied when needed.
>>This takes quite some time on my little embedded system.
>>
>>So where exactly would this caching help?
>
>
> I don't have the code in front of me, but generally the external
> caching that nano-X developers have written takes the freetype
> output bitmap format, which isn't in nano-X bitmap format, and
> caches it in nano-X bitmap format for a given size and cache
> range of characters. In this way, character output is as fast
> as internal font display, which are always stored in nano-X
> bitmap format.
And these nano-X bitmaps are stored on a non-volatile memory (as a hdd)
so that will be used the next time the system starts? Or just in RAM so
they have to be rebuilt every time the system (and nano-X) is started?
Thanks,
Steven
