[xep-support] RE: Calculate mid-point of column using inherited-property-value

[Alexei Gagarinov]

Angela,

> What technique do you suggest for right-aligning, after aligning on the
> decimal?  I assume I would want the third inner cell to be limited to
> the width of the value with the maximum precision (and largest
> font-size), but I haven't had luck with that, either.

> +-------------+
> |    My Column|
> +-------------+ 
> |     123.123 |
> |       1.1234|
> |   12345.1   |
> |      12.12  |
> +-------------+ 

You need to know the maximum width of fractional part of all numbers.

A general technique is the following:
1) Take a digit width from a font metrics. This width is the same for
all digits in the most of fonts.
Note: 0.6 em is a good approximation for any font.
2) Calculate the maximum width: max(number of digits * font-size) *
the digit width

I've just sent you an XSL-FO example with more detailed explanations.

> Thanks!
> Angela 

Best regards,
  Alexei Gagarinov
RenderX
---
www.renderx.net




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