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From: Spehro Pefhany
Subject: Re: Windows/Unix Font converter for Graphics LCD and Thermal printer.
X-Newsreader: Forte Agent 1.92/32.572
Date: Mon, 11 Nov 2002 15:18:11 GMT
NNTP-Posting-Date: Mon, 11 Nov 2002 10:18:11 EST
On 11 Nov 2002 12:02:04 GMT, the renowned email@example.com
>What you seem to be looking for is fonts stored as bitmaps.
>Bitmaps consume *HUGE* amounts of memory,
*some* do. High resolution bitmapped Chinese fonts, for example.
OTOH, a low resolution character generator ROM (2513?) was
small enough that it would easily fit into a small microcontroller
today. Eg. 64 characters 8 x 8 = 512 (8-bit) bytes. This is just a
whisper on a typical embedded system programmed with C or C++.
> so you will
>have to be very selective in what your design provides fontwise,
>or implement one of the available font storage engines.
Implementing display Postscript or TTF may use considerably more
memory for code storage. IIRC, the *specs* for both these run well
into the hundreds of pages. You do get scalable hinted vector
fonts out if it, but not many systems can stand the overhed.
>There are any number of ways to get an OS to produce a bitmap
>rendering of any font available on the system.
In fact there are utilities that do exactly what the OP is looking
for. Starting with a bitmapped font that has been carefully
designed will probably give better results than trying to convert
a vector font to a very low-res bitmapped font. I suggest
Googling for the utilities. Look at starting with "BDF" format.
You can also output the binary data from a commercial program
such as Fontographer.
Copyright issues are another kettle of fish. AFAIUI, bitmapped
renderings from vector fonts are not protected in the US but
are in the UK, wheras "code" to generate hinted vector
fonts such as Adobe Type-1 fonts is protected everywhere.
A complex issue and one that should be addressed for a
"it's the network..." "The Journey is the reward"
firstname.lastname@example.org Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog Info for designers: http://www.speff.co
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