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livetrax/libs/surfaces/maschine2/m2device.h

77 lines
1.9 KiB
C++

/*
* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _ardour_surfaces_maschine2hardware_h_
#define _ardour_surfaces_maschine2hardware_h_
#include <hidapi.h>
#include <cairomm/refptr.h>
#include <cairomm/surface.h>
#include "pbd/signals.h"
namespace ArdourSurface {
class M2Contols;
/** Abstraction for various variants:
* - NI Maschine Mikro
* - NI Maschine
* - NI Maschine Studio
*/
class M2Device
{
public:
M2Device ()
: _splashcnt (0)
, _blink_counter (0)
, _blink_shade (0.f)
{}
virtual ~M2Device () {}
virtual void clear (bool splash = false) {
if (splash) {
_splashcnt = 0;
} else {
_splashcnt = _splashtime;
}
_blink_counter = 0;
_blink_shade = 0.f;
}
virtual void read (hid_device*, M2Contols*) = 0;
virtual void write (hid_device*, M2Contols*) = 0;
virtual Cairo::RefPtr<Cairo::ImageSurface> surface () = 0;
PBD::Signal0<bool> vblank;
protected:
void bump_blink () {
_blink_counter = (_blink_counter + 1) % 12;
_blink_shade = fabsf (1.f - _blink_counter / 6.f);
}
uint32_t _splashcnt;
static const uint32_t _splashtime = 25 * 3;
unsigned int _blink_counter;
float _blink_shade;
};
} /* namespace */
#endif /* _ardour_surfaces_maschine2_h_*/