[Bug 296367] imageviewer: resizing with pinch&zoom gesture vs buttons

[Thomas Pfeiffer]

https://bugs.kde.org/show_bug.cgi?id=296367

Thomas Pfeiffer <colomar at autistici.org> changed:

           What    |Removed                     |Added
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                 CC|                            |colomar at autistici.org

--- Comment #2 from Thomas Pfeiffer <colomar at autistici.org> ---
(In reply to comment #1)
> Not all devices / software stacks have working multitouch. In the browser,
> zoom is also provided through doubletaps on the page, that's why there are
> no buttons for it.
> 
> Once we can require multitouch working for all devices, I think the +-
> buttons can go away, as pinch is a common gesture.

Could we introduce a way to make it easy for image creators to enable or
disable the buttons for their respective device-specific image? I know that
theoretically not every image is device-specific, but given our experiences
with PA images so far, it seems to me that most images have to be created with
a specific device in mind anyway, since even those with an x86 architecture are
too different for a "one size fits all" approach anyway.
This should not be a user option because the buttons are required for
non-multitouch devices but pretty useless for multitouch devices.

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