[Ohrrpgce] gfx_directx, zoom level

[Ralph Versteegen]

For a few years, the default zoom level between all the graphics
backends has been 2x, and before that, they defaulted to fullscreen.
I've always been a bit unsure about that default, and unhappy that
there was no way to resize the window without using a commandline
option. I've heard complaints that 2x is too small, especially on
large monitors.

Now gfx_directx lets the user resize the window to any resolution.
Unfortunately the options to set the size to an integer multiple of
320x200, from earlier versions, are no longer there, but Jay says he
will work on a replacement. Anyway, Jay set the default at 3x zoom.
I'm finding this annoying in Custom, where it takes up the whole of my
small monitor. If we want to try using it as the default, we probably
should change the zoom to 2x to avoid annoying other people? I do find
3x or fullscreen better for playing. Maybe Custom and Game could use
different defaults.

I really wish we had preference files and a configuration screen.