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MathGroup Archive 2006

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Re: Re: Developer`UseFrontEnd + FrontEndExecute + GetBoundingBoxSizePacket

  • To: mathgroup at smc.vnet.net
  • Subject: [mg71337] Re: [mg71307] Re: [mg71278] Developer`UseFrontEnd + FrontEndExecute + GetBoundingBoxSizePacket
  • From: John Fultz <jfultz at wolfram.com>
  • Date: Wed, 15 Nov 2006 06:43:48 -0500 (EST)
  • Reply-to: jfultz at wolfram.com

Evaluate this at the beginning of your kernel session...

Developer`SetSystemOptions[LegacyFrontEnd->False]

The option should have been set to False by default in 5.2, but wasn't due 
to an oversight which will be fixed in the next release.

Sincerely,

John Fultz
jfultz at wolfram.com
User Interface Group
Wolfram Research, Inc.


On Tue, 14 Nov 2006 05:06:26 -0500 (EST), Chris Chiasson wrote:
> This is just strange:
>
> {blah1=Developer`UseFrontEnd@FrontEndExecute[GetBoundingBoxSizePacket[Box
Da
> ta[ToBoxes[Expand[(1+x)^11]]]]],blah2=Developer`UseFrontEnd@AbsoluteOptio
ns
> [$FrontEnd,Magnification]}
>
> gives
>
> AbsoluteOptions::optx: Unknown option Magnification in -FrontEndObject-.
>
> {Null, {{597., 14.1875, 5.8125}}}
>
> If you will notice, the answer for the packet size is in the wrong
> slot, and the answer for the Magnification is nowhere to be seen, even
> though it issues a message. (Don't messages travel through a side
> channel in MathLink?)
>
> This can be kept up by calling for other options. Then the
> Magnification answer will come out...
>
> Developer`UseFrontEnd@AbsoluteOptions[$FrontEnd,whatever]
>
> gives
>
> AbsoluteOptions::optx: Unknown option whatever in -FrontEndObject-.
>
> Out[2]= {Magnification -> 1.19444}
>
> ...
>
> help?
>
>
> On 11/12/06, Chris Chiasson <chris at chiasson.name> wrote:
>> In the front end, the statement inside Developer`UseFrontEnd, below,
>> will return {{width,top,bottom}}. When executing the statement below
>> in the text interface (Mathematica 5.2 Kernel from the start menu), it
>> hangs Mathematica. This is also the case when running Mathematica from
>> Ant using the Mathematica Ant task.
>>
>> Developer`UseFrontEnd[blah=FrontEndExecute[GetBoundingBoxSizePacket[BoxD
ata
>> [ToBoxes[Expand[(1
>> +x)^11]]]]]]
>>
>> Does anyone know a way to make this statement (or one like it) work? I
>> have a good use for it. The baseline to bottom distance will be
>> written to a processing instruction in an XML file that eventually
>> tells a PDF writing program how to adjust the inline positioning of
>> Mathematica graphics relative to a line of text.
>>
>> --
>> http://chris.chiasson.name/


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