fontpath from fontconfig: was -> [changeset] print.m (matlab compatibility)

[Ben Abbott]

On Mar 11, 2009, at 3:44 PM, Ben Abbott wrote:

>
> On Mar 11, 2009, at 3:31 PM, Michael Goffioul wrote:
>
>> On Wed, Mar 11, 2009 at 2:12 AM, Ben Abbott <bpabbott at mac.com> wrote:
>>> It is available on OSX as well. There is a version bundled with  
>>> X11, with
>>> other versions available from Fink and DarwinPorts.
>>>
>>> I'm able to get a list of all TrueType fonts by ...
>>>
>>>       $ fc-list : file | grep '.ttf'
>>>
>>> Does this work on windows as well?
>>
>> Yes, provided that you are in a shell, to have "grep" under the hand.
>>
>> Michael.
>
>
> ok, that's good news!
>
> I was planning to handle the grep part in Octave.
>
> I'm nearly done with a function the uses fontconfig to produce a  
> fontpath and a list of available fonts.
>
> When I'm done, I'll post it testing on other systems.
>
> Ben


Octave has two font paths that need to be set.

	GDFONTPATH sets the path for gdlib (bitmap canvases)

	GNUPLOT_FONTPATH sets the postscript fontpath for gnuplot

I written a m-function to construct each from info supplied by  
fontconfig. There may be a better way of doing this (I'm new to  
fontconfig).

	[GDFONTPATH, true_type_fonts] = fontpath_form_fontconf (".ttf");

	[GNUPLOT_FONTPATH, type_1_fonts] = fontpath_form_fontconf (".pfa");

My thought is to set these environment variables, for each instance of  
gnuplot, each time gnuplot_drawnow opens a plot stream.

For anyone willing to test this on their systems (Window's users are  
of greatest interest), I've attached both a changeset as well as the  
function itself.

Ben

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