[TSVN] Re: Some observations on TMerge

SteveKing schrieb:

> The size of that linediff bar is calculated according to the font specs.
> Seems the font sizes aren't really correct, i.e. they don't take chars
> into account which go below the actual line...

One way to get the required vertical size for a font is to call
GetTextMetrics(hdc, &tm) and use (tm.tmHeight + tm.tmExternalLeading) as
cell height. This gives enough space for both under- and oversized
characters. You can then use tm.tmDecent as an offset between the
character baseline and the lower border of the diff line, so that no
part of a character is clipped.

Norbert

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Received on Tue Mar 15 16:56:05 2005