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/*
Copyright (C) 2011-2016 Paul Davis
Author: Carl Hetherington <cth@carlh.net>
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 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_push2_level_meter_h__
#define __ardour_push2_level_meter_h__
#include "canvas/container.h"
#include "canvas/meter.h"
namespace ARDOUR {
class Session;
class PeakMeter;
}
namespace ArdourCanvas {
class Box;
}
namespace ArdourSurface
{
class Push2;
class LevelMeter : public ArdourCanvas::Container, public sigc::trackable
{
public:
LevelMeter (Push2& p2, Item* parent, int len, ArdourCanvas::Meter::Orientation o = ArdourCanvas::Meter::Vertical);
virtual ~LevelMeter ();
virtual void set_meter (ARDOUR::PeakMeter* meter);
void update_gain_sensitive ();
float update_meters ();
void update_meters_falloff ();
void clear_meters (bool reset_highlight = true);
void hide_meters ();
void setup_meters (int len=0, int width=3, int thin=2);
void set_max_audio_meter_count (uint32_t cnt = 0);
void set_type (ARDOUR::MeterType);
ARDOUR::MeterType get_type () { return meter_type; }
private:
Push2& p2;
ARDOUR::PeakMeter* _meter;
ArdourCanvas::Meter::Orientation _meter_orientation;
ArdourCanvas::Box* meter_packer;
struct MeterInfo {
ArdourCanvas::Meter* meter;
gint16 width;
int length;
bool packed;
float max_peak;
MeterInfo() {
meter = 0;
width = 0;
length = 0;
packed = false;
max_peak = -INFINITY;
}
};
guint16 regular_meter_width;
int meter_length;
guint16 thin_meter_width;
std::vector<MeterInfo> meters;
float max_peak;
ARDOUR::MeterType meter_type;
ARDOUR::MeterType visible_meter_type;
uint32_t midi_count;
uint32_t meter_count;
uint32_t max_visible_meters;
PBD::ScopedConnection _configuration_connection;
PBD::ScopedConnection _meter_type_connection;
PBD::ScopedConnection _parameter_connection;
void hide_all_meters ();
void parameter_changed (std::string);
void configuration_changed (ARDOUR::ChanCount in, ARDOUR::ChanCount out);
void meter_type_changed (ARDOUR::MeterType);
};
}
#endif /* __ardour_push2_level_meter_h__ */
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