>AFAIK Autofit is a user triggered event not a state
Exactly. Sorry didnt make it clear in my previous mail. 


On Wed, 2003-05-28 at 22:08, Brett Knights wrote:
> AFAIK Autofit is a user triggered event not a state. i.e. when you are using
> Excel you can highlight a column and double-click its column divider. This
> will cause an autofit event to happen using the current data, font-metrics
> etc. It doesn't matter if you change the font or data after that - the
> column will stay the same width until you re-size it somehow. 
> 
> HTH
> 
> > -----Original Message-----
> > From: Chris Cheshire [mailto:[EMAIL PROTECTED]
> > Sent: Wednesday, May 28, 2003 9:31 AM
> > To: POI Users List
> > Subject: Re: How do you set colum width to AutoFit
> > 
> > 
> > I realise that the autofit is not a matter of a flag, but actually 
> > calculating the max width of all data in that column, then 
> > adjusting the 
> > width for it accordingly, and that calculating the width is 
> > the problem.
> > 
> > However, it appears that Excel is setting the column width in 
> > a manner 
> > that is independent of the font metrics anyway, so why does 
> > poi have to?
> > When playing around with fonts in a new sheet in excel, going from a 
> > fixed width to a variable width, changing size etc, the only 
> > thing that 
> > changed was the row height, but not the column width. It stayed at a 
> > default of "8.43 thingamajigs" (I don't know what unit excel 
> > uses for this).
> > 
> > I am just try to understand this, not trying to be 
> > argumentative. I am 
> > sure there is a perfectly rational explanation for all of 
> > this, despite 
> > it being a microsoft product :)
> > 
> > Chris
> > 
> > Avik Sengupta wrote:
> > 
> > >Ok, here is my understanding, with all the usual disclaimers :)
> > >
> > >When we write out an excel file, what we have to do is 
> > actually give the
> > >column a physical width. It is NOT the case that we can set a flag on
> > >the column saying "AutoFit", AFAIK. So we have to calculate the width
> > >within POI, which depends on the content in the cell, which in turn
> > >depends on the font size and weight, which is where the fort metrics
> > >come in. (Font metrics, simply put, is the physical width of each
> > >character for a particular font) The trouble with the classes in java
> > >that provide font metrics are that they are dependent on X, and thus
> > >cant be run from an unix terminal. We therefore need an 
> > implementation
> > >of font metrics that does not depend on any graphics classes. 
> > >
> > >Does that help? 
> > >
> > >Regards
> > >-
> > >Avik
> > > 
> > >
> > >On Wed, 2003-05-28 at 21:07, Chris Cheshire wrote:
> > >  
> > >
> > >>I have a question on this, which will show my lack of 
> > understanding on 
> > >>the subject. The archives say this needs to be implemented 
> > in a manner 
> > >>that is not dependant on font metrics. Fair enough. I took 
> > this answer 
> > >>for granted a while ago. However I have noticed something 
> > when playing 
> > >>around in excel - if I change the font and size of a column 
> > under excel, 
> > >>the column width never changes. If the width is dependant on font 
> > >>metrics, wouldn't the width of the column change as the 
> > font (and thus 
> > >>the metrics) change? What am I missing here?
> > >>
> > >>Chris
> > >>
> > >>Avik Sengupta wrote:
> > >>
> > >>    
> > >>
> > >>>Cant be done yet, read the archives to understand why!
> > >>>
> > >>>On Wed, 2003-05-28 at 17:09, Shailesh Ligade wrote:
> > >>> 
> > >>>
> > >>>      
> > >>>
> > >>>>Hello,
> > >>>>
> > >>>>I am not able to figure out how to use column Format 
> > AutoFit. Can any
> > >>>>one able to help me here?
> > >>>>
> > >>>>SL
> > >>>>   
> > >>>>
> > >>>>        
> > >>>>
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> > >>
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> > >
> > >
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> > >
> > >  
> > >
> > 
> > 
> > 
> > 
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-- 
Avik Sengupta <[EMAIL PROTECTED]>


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