| Re: [hatari-devel] resizable windows |
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Hi,
On 06/19/2017 09:44 PM, Nicolas Pomarède wrote:
Le 19/06/2017 à 20:40, David Savinkoff a écrit :
To get these aspect ratios, I think stretching the y-axis is better
than shrinking the x-axis.
Use SDL2 or add extra scan line every 10th line?
That would look absolutely horrible.
In general, any scaling that is done close to 1.0 ratio
will look horrible, regardless of whether one uses filtering /
blurring for it. That kind of aspect ratio correction works
only for analog devices where the size/shape of the actual pixels
change.
It could be workable with larger scaling factors (say at least 4x),
if one applies suitable filtering.
How much 'monitor emulation' should be done in Hatari?
>
Eventually, some CRT like filters (as in MAME or WinUAE) could be used
to emulate curved CRT monitor and scanlines (as well as zooming), but I
don't think anyone has time to work on this at the moment.
IMHO more important concern with CRTs, than the aspect
ratio, is the pixel color behavior, it:
1. color bleeds:
https://arstechnica.com/civis/viewtopic.php?p=29647137#p29647137
https://arstechnica.com/civis/viewtopic.php?p=29651175#p29651175
2. switches state gradually, not instantly like LCD i.e. makes
movement looks much smoother (a bit like motion blur)
To emulate that well, needs a monitor that has
much higher refresh frequency, so that one can emulate
pixel switching gradually from one color to another
- Eero