[wxMac] Core Text Support added to trunk

[Robert Roebling]

Stefan Csomor wrote:

> I've added an implementation to wxFont and wxGraphicsContext that uses 
> the new Core Text Framework when running under 10.5, in order to get 
> that you will have to compile under 10.5, the code is weak linked, so 
> unless you also define 10.5 to be your MINIMAL system, it will still 
> render using ATSU when running under 10.4
> 
> So please test text rendering / measuring code under 10.5 (when also 
> compiled under 10.5) and report back problems you encounter.

../Berlin/wxSVN/TRUNK/src/mac/carbon/textctrl.cpp: In member function
'void wxMacMLTEControl::TXNSetAttribute(const wxTextAttr&, long int,
long int)':
../Berlin/wxSVN/TRUNK/src/mac/carbon/textctrl.cpp:1821: error: 'const
class wxFont' has no member named 'MacGetATSUStyle'

[On Leopard]