It turns out that this was a standard DCF: Documentation Comprehension Failure.
The problem was that I cleared each cell using drawRect() instead of fillRect(). drawRect apparently adds a stroke on the *outside* of the rectangle's bounds and so it overlapped with nearby cells. Thanks for the info about DPI, I understand it a lot better now. -- Yours sincerely, George Tasopoulos On 29 December 2013 20:56, George Tasopoulos <tasopoulos.yorg...@gmail.com>wrote: > (This message will probably not appear in the right place in the thread) > > > >* Thanks for your reply. > *> > > >* This makes sense. But in this case shouldn't font drawing also draw > at the > *> >* same size (i.e. 28 pixels high on Linux, 27 pixels high on Windows)? > * > > > > Only if both computers have the same DPI for the screen and the same font > > rendering engines. Do you even have the Liberation Mono font installed on > > both > > systems? > > I didn't explain that well enough: I don't mind if the size in one system > isn't the same as the size in another system, what I want is to make sure > there are no gaps between two rows of characters. > Currently, in my Windows system the height is reported to be 27 and the > characters are (apparently) drawn to be 27 pixels high, which is good, but > in my Linux system the height is reported to be 28 and the characters are > (apparently) NOT 28 pixels high, which is a problem. > > The font is installed in both systems and I also did a binary comparison > between their font files. They're identical. > > > -- > Yours sincerely, > George Tasopoulos > >
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