Hello,
Using fop 0.20.4 ( tried 0.20.5, same behavior ) I'm struggling trying to understand the usage of line-height. I have a word doc that I am trying to clone via XSL FO/FOP and cannot get the line spacing to match. I am using Times New Roman 12pt with font embedding. The font metrics files were generated using the times.ttf file located in c:\winnt\fonts ( on a win= 2k machine). Without specifying any line-height the lines are spaced much further apart that the MS word file ( I don't seem word doing anything special with the spacing BTW, just single space). I've experimented with line-heght =3D 12pt and that actually makes the spacing too small. Shifting to % values and a lot of trial and error I ended up using line-height=107% and it seems to match pretty well. This is pure dumb luck though, can anyone please explain or point me in the right direction to understand how line-height is being calculated if I don't specify it, and why 107% of 12pt font seems like the "magic" number to match word single spacing with 12 pt
Times new Roman?
I'm stuck, any help is much appreciated.
thanks, dave
I've been struggeling with the line-height myself as well. I came to the conclusion that the ascender and descender in the font metrics file are also a factor that you need to calculate the "correct" line height.
Unfortenately I've not documented properly how I did my calculations :(
If I recall correctly it is something like: line-height + line-height * (ascender + (- descender))
where the line-height is specified in the same measurement units as the one being used in the metrics file (was it millipoints?). The descender is negative, that must be inverted.
I hope this helps you to find the correct answer.
Regards, Wessel van Norel
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