[LAD] C/gtk3/cairo meter widget

[Patrick Shirkey]

On Tue, February 12, 2013 12:15 am, James Warden wrote:
>
>
> On Sun, Feb 10, 2013 at 11:36 PM, Patrick Shirkey
> <pshirkey at boosthardware.com> wrote:
>
>
>>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 :-(
>>
>>
>>
>
> Back in the days I had time to help Herman Meyer on his guitarix project,
> I imported ardour's fast meters into C. Guitarix was using the C version
> of gtk. You can look into the old guitarix code in sourceforge (that was a
> long while back, maybe 3-4 years).
>

Thanks for the tip. Will save me some braincells.

Found it here:

http://guitarix.sourcearchive.com/documentation/0.10.0-2/GtkFastMeter_8cpp-source.html
http://guitarix.sourcearchive.com/documentation/0.10.0-2/GtkFastMeter_8h-source.html



--
Patrick Shirkey
Boost Hardware Ltd