[changeset] Missing ScreenSize & ScreenPixelsPerInch properties

[John W. Eaton]

On 22-Jan-2009, John W. Eaton wrote:

| (Does GCC define __WIN32__ and WIN32 automatically?)  I'd like to do
| something similar for OS X to define OCTAVE_USE_OS_X_API.

For now, I went with

  #if defined (__APPLE__)
  #define OCTAVE_USE_OS_X_API 1
  #endif

Is there something better we should use?

jwe