Mac -> Win problems

[Devin Asay]

Charles,

I'm jumping in late in the game, and basing my memory of what you're  
trying to do on my quick read through of your original message  
yesterday. If I understand it correctly, you are trying to accurately  
position some kind of diacritical markings above specific letters in  
a text field? Let me suggest an alternative that might avoid the  
cross-platform font metric issues. I did a project similar to this a  
couple of years ago, in which I needed to position Pinyin tone marks  
above vowels in romanized Chinese syllables. The tone marks were  
images. I used the formattedWidth property of the chunk of text up to  
and including the letter to be marked, then calculated the horizontal  
distance from the edge of the card to the letter in question and  
positioned the image there. For example:

|                 _________________
|<- left of card  |chunk in fld    |
|                 |<- left of fld  |
|                 |                |
|                 |                |
|                 _________________|

If I wanted to position the mark over the "u" in "chunk" I would use
     the left of fld "myfld" + the formattedWidth of char 1 to 3 of  
fld "myfld"
as the baseline x value, then by trial and error find the proper x  
and y adjustments to get my image to display at the desired spot.

This method should work regardless of font and size because the  
formattedWidth takes the current font settings of the chunk into  
account.

HTH

Devin

Devin Asay
Humanities Technology and Research Support Center
Brigham Young University