TTF font parser on embedded Linux ? How?

Nov 17, 2003 4 Replies
B

Hi,


I am doing some research for a (potentional) new project we're doing :



A user can send some data to the embedded Linux pc (which we've used already in the past) and this data can be RTF (or maybe hypertext).



I want this RTF data to be parsed, and a corresponding bitmap to be created. This bitmap I will forward to our display device (led display)



Now, if you look at this the "Windows" way, you can simply copy the RTF data to some RichTextBox and it will show the desired text etc. If we then readout each pixel, we have the corresponding bitmap. (or maybe somehow get a pointer to the bitmap ram)



But is this also possible using embedded Linux? Can we do without X-Windows? (Our current target board is 486,32mb flash, 32mb ram so we don't have a lot of resources to run X-Win ...)



Maybe there are some libraries I can use to parse TTF fonts which result in some bitmap?


Thanks for any info you can provide,



Bonny



PS. If you need more info pls ask and I will try to explain more accurately ....


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A

formatting link

Its the engine used on Linux for truetype fonts. I suspect you'd be able to use that to do what you want. It's not the easiest thing to use in the world, and most people just use it as part of XWindows, but it should do your job.

Alex Pavloff - remove BLAH to email Software Engineer, ESA Technology
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D

Something else you might want to look at is the 'efix' program it's used as part of the 'efax' program to convert text into fax bitmaps.

It might not do exactly what you want by itself, but it's very small and open source :)

regards,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Damion de Soto - Software Engineer email: damion@snapgear.com SnapGear --- ph: +61 7 3435 2809 | Custom Embedded Solutions fax: +61 7 3891 3630 | and Security Appliances web: http://www.snapgear.com~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --- Free Embedded Linux Distro at http://www.snapgear.org ---
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B

in

Ah yes, that's what I found yesterday aswell (when reading some infos on svgalib). Does anyone have any examples how to use Freetype to generate a bitmap (using a ttf font) of some type? (or maybe point me to some sources)

Thanks again for the info,

Bonny

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C

For example the SDL_ttf library has code for this.

clemens

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