[mapguide-internals] Server Font Queries

[Kenneth Skovhede, GEOGRAF A/S]

AFAIK, this functionality is not exposed by the HTTP API.
But I think it should be supported, but perhaps protected by a login?

Regards, Kenneth Skovhede, GEOGRAF A/S



Crispin_at_1Spatial skrev:
> Thanks Walt,
>
> I assumed it was something like that.  Font matching is OK for text/labels
> but would result in completely different symbology being displayed for font
> symbols that are more typically a character code in WingDings etc (though
> the legend would match of course).
>
> So back to authoring - should there be a way for the MG server to expose
> it's known fonts through the API for clients such as Studio/Maestro to
> understand?
>
>
>
> Walt Welton-Lair wrote:
>   
>> The Freetype library gets initialized at startup, and then the server
>> loads all fonts in the system font folder.  Once the server is running it
>> does not check again for new fonts.
>>
>> There's probably some optimization that can be done here, e.g. lazy
>> loading of fonts.  But in the case of your Asian font, if we don't load it
>> at startup and instead load it on demand, then when a layer using that
>> font is stylized it will take an extra 30 seconds (on your server) the
>> first time.  That doesn't make for a good user experience.
>>
>> Also keep in mind that stylization supports font matching - if a specified
>> font is not found then it iterates through the available fonts looking for
>> a reasonably close one.  At that point the server will have to load all
>> the fonts.  So it's a tradeoff.  Is it better to load them all at the
>> beginning, at a time when no users are active?  Or load them on demand,
>> forcing users to wait longer the first time they make a request which uses
>> an unloaded font?
>>
>> Walt
>>
>> -----Original Message-----
>> From: mapguide-internals-bounces at lists.osgeo.org
>> [mailto:mapguide-internals-bounces at lists.osgeo.org] On Behalf Of
>> Crispin_at_1Spatial
>> Sent: Friday, November 06, 2009 6:18 AM
>> To: mapguide-internals at lists.osgeo.org
>> Subject: [mapguide-internals] Server Font Queries
>>
>>
>> Folks,
>>
>> For MapGuide text and font symbols the definition of the font is contained
>> in the layer XML.
>>
>> When authoring layers in Maestro there is a hard-coded set of fonts from
>> an
>> XML file.  These are pretty standard but limits flexibility, especially
>> when
>> dealing with symbol fonts that may have been loaded on to the server.  Is
>> there a way through the MapGuide API do do font discovery?
>>
>> Finally, I noticed on a low-powered server that at MG service start-up
>> (using FileMon) there was a huge amount of font polling.  A couple of
>> Asian
>> sets (Batang) took 30+ seconds of MG server processing.
>>
>>  Crispin
>>
>> -- 
>> View this message in context:
>> http://n2.nabble.com/Server-Font-Queries-tp3958112p3958112.html
>> Sent from the MapGuide Internals mailing list archive at Nabble.com.
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>>     
>
>