[python-win32] Fonts behaving differently - The plot thickens a bit

[Mark Hammond]

On 6/03/2011 3:07 PM, Greg Ewing wrote:
> I think I've narrowed down what's going on with the font
> sizes a bit more. It has to do with the interperetation
> of the nHeight parameter to CreateFont.
>
> It appears that you can specify the height using either
> a positive or negative number. One is taken to include
> the font's internal leading, and the other isn't.
>
> What seems to have happened is that somewhere between
> builds 212 and 216 of pywin32, the behaviour of these
> two cases has *swapped over*.
>
> In my 2.x installation, which is using either 212 or
> 213 (I'm not exactly sure which at the moment) if I
> ask for "Tahoma" with height +11 it comes out with
> ascent = 11, descent = 2; whereas height -11 gives
> ascent = 9, descent = 2.
>
> But under 3.x with build 216, it's the other way around:
> height +11 gives ascent = 9, -11 gives ascent = 11.
>
> If I'm interpreting the MS docs correctly, then the new
> behaviour is correct and the old one is wrong. Was there
> a bug relating to this fixed at some point?

Not that I can find - I guess you mean in win32gui?  win32gui has not 
changed since build 214, and the log shows nothing related back to 212.

> Also, is there a version number somewhere in pywin32 that
> I can check at run time to work around this?

There is only pywin32.version.txt installed into site-packages - you 
should look for the value before the first dot without assuming how many 
dots follow...

Mark