[PD] [Gem] changed [ortho] behaviour

Jack jack at rybn.org
Sat Sep 9 14:14:34 CEST 2017


For info : it seems that [gemwin] (as abstraction with a recent Gem from
git) doesn't manage glOrtho but only glFrustum, so you won't be able to
use [ortho] with a recent Gem (or i missed something ?).
++

Jack



Le 09/09/2017 à 12:44, Roman Haefeli a écrit :
> On Sam, 2017-09-09 at 12:37 +0200, cyrille henry wrote:
>> hello,
>> yes, the ortho was buggy and fixed. But the old behaviours is still
>> possible if you send a "compat" message.
>> See help file.
> 
> I see, thanks. I should have checked the help file in the first place.
> 
> But how can someone use the full window area with the new default mode?
> Why is there a limit?
> 
> Roman
> 
> 
>> Le 09/09/2017 à 00:59, Roman Haefeli a écrit :
>>>
>>> Hey all
>>>
>>> A patch of mine with only a few geos that was developed with last
>>> release of Gem 0.93.3 looks totally messed up with current master.
>>> It
>>> turns out that [ortho] is the culprit.
>>>
>>> It appears that [ortho] used to screw with aspect ratio as it
>>> forces
>>> both, window width and window height, to be 4 units. A [ortho]-
>>> [rectangle 4 4] exactly fits into the window, even if the window is
>>> rectangle, for instance 960x540px. That's what my patch took into
>>> account.
>>>
>>> Now, with current master, [ortho] doesn't mess with aspect ratio
>>> anymore, but when using [ortho], I can display a geo only within a
>>> square part of the gem window. When I moved it out that area, it
>>> gets
>>> blacked out.
>>>
>>> I can somehow understand that [ortho] was buggy in the last release
>>> and
>>> needed to be changed, but is the current behaviour the desired
>>> behavior?
>>>
>>> Roman
>>>
>>>
>>>
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