J. Landman Gay wrote:
> Any bugs you found are certainly based in fact, as you've shown.
That an anomaly is evident is known. The cause and possible remedies,
however, remain open questions.
Though I briefly dabbled in sending hand-written Postscript to my laser
printer back in the day (who didn't? Postscript was the future!), I've
only briefly skimmed the file formats for Postscript and TrueType, and
of course anyone lacking technical depth in this specialty will be at a
disadvantage in diagnosing this.
So while I can't presume to know the inner details of what's in play
here, it may be worth considering Mark Waddingham's input. There's at
least some indication he's familiar with how computers work, and he
knows a thing or two about the internals of LiveCode. :)
Mark had suggested there may be elements within the font file itself
which can be adjusted to improve rendering across different systems,
specifically with regard to baseline differences on Windows:
http://lists.runrev.com/pipermail/use-livecode/2020-August/261448.html
A quick search to see how others deal with similar issues yielded a
corroborating suggestion, described here:
"One possible solution could be to download the Cutive font (I see
it has a SIL license) and then run it through the Font Squirrel
font-face generator. In 'Expert' mode there is an option to 'Fix
Vertical Metrics' which might be what you are looking for."
And:
"I came across this problem with a custom font that had been created
for a client's brand. I opened the TTF font in Font Forge. The way I
created uniformity with rendering was to adjust the values in
Element->Font Info->OS/2->Metrics.
....
I have very limited knowledge about fonts but this did fix my
problem.
https://stackoverflow.com/questions/11726442/font-rendering-line-height-issue-on-mac-pc-outside-of-element
I can't help but wonder if guidance from experienced people who've
considered this issue in depth may be worth exploring...
If for some reason making the custom font file more complete is
prohibitive, LC is flexible enough to compensate in just one line by
adjusting the margins property where needed:
if the platform is Win32 then set the margins of btn "Label" to 4,8,4,4
Set the adjustment of the second (top) item to whatever you need and
you're back in business in just a few seconds.
Of course that's just a quick workaround to keep production work on
schedule at near-zero cost to any project that may need it.
For the longer term, if adding the Win-specific metrics others have
found success with doesn't resolve this problem, let's explore it further.
--
Richard Gaskin
Fourth World Systems
Software Design and Development for the Desktop, Mobile, and the Web
____________________________________________________________________
ambassa...@fourthworld.com http://www.FourthWorld.com
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