[GRASS-dev] how to set fonts for d.text.new

[Michael Barton]

Thanks. This is helpful.

Michael
__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics and Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton


> From: Huidae Cho <grass4u at gmail.com>
> Date: Wed, 20 Sep 2006 14:22:06 -0500
> To: Michael Barton <michael.barton at asu.edu>
> Cc: GRASS developers list <grass-dev at grass.itc.it>
> Subject: Re: [GRASS-dev] how to set fonts for d.text.new
> 
> On Wed, Sep 20, 2006 at 11:40:00AM -0700, Michael Barton wrote:
>> 
>>    I¹d like to put d.text.new into the GUI layer toolbar, since it now
>> combines GRASS and freetype fonts, and works on all platforms as far as I can
>> tell.
>>    To make life easier for users, my plan is to allow them to also set the
>> font in the same options panel. Give the discussions of a few weeks back that
>> I sort of followed, this leaves me with several questions about how to do
>> this in an easy, useful way, that doesn¹t mess up other things.
>>    Currently, d.font and d.font.freetype offer a non-interactive entry widget
>> for typing in a font name and path. TclTk offers a built-in font selection
>> dialog that I¹ve used in some other modules (thematic mapping legends, PS
>> text) that lets a users interactively select system fonts. Will these work
>> with d.text.new? I¹ll also leave it so that a user can type in something if
>> they want.
> 
> If the system font is a FreeType font, you can pass the path to d.font
> so that d.text.new can pick it up later for drawing.  However, for
> immediate rendering currently used by gis.m, you may need to set
> GRASS_FT_FONT, GRASS_FT_ENCODING, GRASS_FONT environment variables
> since, AFAIK, d.font(.freetype) has nothing to do with immediate
> rendering (they don't set font related env vars).
> 
>>    Which is better to use for setting fonts in this way: d.font or
>> f.font.freetype?
> 
> d.font has been already merged with d.font.freetype, so TclTk code for
> d.font should work with this new implementation. But again, it works
> only for monitors.
> 
>>    What will happen in the GUI is that d.font.freetype (or d.font) will run,
>> followed by d.text.new. Will this affect the fonts in all subsequent layers
>> (e.g., for legends)? If so, how can I put the font back to the way it was
>> before running the font/text layer?
> 
> Save the above environment variables, display text, and restore previous
> font settings?
> 
> Huidae
> 
>>    Thanks
>>    Michael
>>    __________________________________________
>>    Michael Barton, Professor of Anthropology
>>    School of Human Evolution & Social Change
>>    Center for Social Dynamics and Complexity
>>    Arizona State University
>>    phone: 480-965-6213
>>    fax: 480-965-7671
>>    www: [1]http://www.public.asu.edu/~cmbarton
>> 
>> References
>> 
>>    1. http://www.public.asu.edu/~cmbarton
> 
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