[LAD] C/gtk3/cairo meter widget

Patrick Shirkey pshirkey at boosthardware.com
Mon Feb 11 04:36:26 UTC 2013


On Mon, February 11, 2013 3:21 pm, Paul Davis wrote:
> On Sun, Feb 10, 2013 at 11:16 PM, Patrick Shirkey <
> pshirkey at boosthardware.com> wrote:
>
>>
>> On Mon, February 11, 2013 9:47 am, Tristan Matthews wrote:
>> > 2013/2/10 Patrick Shirkey <pshirkey at boosthardware.com>
>>
>> > Therè's this one:
>> >
>> https://github.com/sat-metalab/scenic/blob/master/src/vumeter/vumeter.cpp
>> > https://github.com/sat-metalab/scenic/blob/master/src/include/vumeter.h
>> >
>> > It has only a few c++isms and could easily be purely in C.
>> >
>>
>> Thanks. It does look useful. Seems to be written for gtk2 though. Have
>> you
>> compiled it with gtk3?
>>
>
> at the very least, it would need a draw() method rather than an expose()
> method.
>
> plus, if i read it correctly it also redraws its entire self (subject to
> cairo clipping) on every expose.
>
> contrast with the the fastmeter in ardour3's libs/gtkmm2ext which draws
> only the changed pixels per expose.
>

I would prefer to use that but it's in pure C++ as well as GTK2 so I have
to convert it to c and gtk3 :-(





--
Patrick Shirkey
Boost Hardware Ltd


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