[xep-support] Scaling content to fit a block

[Robert Goldsmith]

Hi :)

Yes, I'm currently using an equation to scale the font size as needed  
but it is not very elegant.

My reason for needing this is that I am creating templates for pricing  
tickets. The design has a circle within which I need to place the  
price for the item being advertised. However, the price can range from  
1p to £999.99 and the client would like the size of the price to scale  
to make best use of the space within the circle. My xslt equations  
based on the string-length of the price text work well enough but  
would prevent easy creation of templates in future without my  
intervention in the xsl to add the scaling equations and a lot of  
testing to check the equations give a good visual layout for different  
content.

I am aware that DTP systems such as InDesign Server, PageFlex .Edit  
etc. can scale text to fit so was hoping xsl-fo had a similar  
functionality. What would be really nice would be to have an attribute  
like font-size="auto" which could interact with the wrap-option  
attribute as needed. Oh well, I can dream :)

Robert

On 21 Apr 2009, at 15:15, Michael Sulyaev wrote:

> Robert Goldsmith wrote:
>> Does anyone know if it is possible to scale text content to fit a  
>> block?
>
> Hello Robert,
> XSL FO does not provide a way to achieve it.
>
>> I have an fo:block of a set size and I need to be able to scale the  
>> font-size of variable content to fit the space without wrapping.  
>> Any ideas?
>
> IMHO, no chance. If the content is pure text, it could probably be  
> possible to: estimate the area required by the content at given font- 
> size, compare it to the space provided by the containing block(- 
> container), alter the font-size accordingly. All in XSLT (there even  
> is an sqrt routine, googlable). However: breaking text into lines  
> may not happen at arbitrary places. This is likely to spoil  
> everything.
>
> Why would you need to store arbitrary content in a fixed box?
>
> Regards,
> Michael Sulyaev
> RenderX
>
>
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---
Robert Goldsmith
Senior Systems Integrator, Business Systems, SP Group
Telephone: 01527 508239

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