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