107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
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/*
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Copyright (C) 2011-2016 Paul Davis
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Author: Carl Hetherington <cth@carlh.net>
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_push2_level_meter_h__
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#define __ardour_push2_level_meter_h__
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#include "canvas/container.h"
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#include "canvas/meter.h"
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namespace ARDOUR {
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class Session;
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class PeakMeter;
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}
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namespace ArdourCanvas {
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class Box;
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}
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namespace ArdourSurface
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{
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class Push2;
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class LevelMeter : public ArdourCanvas::Container, public sigc::trackable
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{
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public:
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LevelMeter (Push2& p2, Item* parent, int len, ArdourCanvas::Meter::Orientation o = ArdourCanvas::Meter::Vertical);
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virtual ~LevelMeter ();
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virtual void set_meter (ARDOUR::PeakMeter* meter);
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void update_gain_sensitive ();
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float update_meters ();
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void update_meters_falloff ();
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void clear_meters (bool reset_highlight = true);
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void hide_meters ();
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void setup_meters (int len=0, int width=3, int thin=2);
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void set_max_audio_meter_count (uint32_t cnt = 0);
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void set_type (ARDOUR::MeterType);
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ARDOUR::MeterType get_type () { return meter_type; }
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private:
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Push2& p2;
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ARDOUR::PeakMeter* _meter;
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ArdourCanvas::Meter::Orientation _meter_orientation;
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ArdourCanvas::Box* meter_packer;
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struct MeterInfo {
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ArdourCanvas::Meter* meter;
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gint16 width;
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int length;
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bool packed;
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float max_peak;
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MeterInfo() {
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meter = 0;
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width = 0;
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length = 0;
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packed = false;
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max_peak = -INFINITY;
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}
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};
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guint16 regular_meter_width;
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int meter_length;
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guint16 thin_meter_width;
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std::vector<MeterInfo> meters;
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float max_peak;
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ARDOUR::MeterType meter_type;
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ARDOUR::MeterType visible_meter_type;
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uint32_t midi_count;
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uint32_t meter_count;
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uint32_t max_visible_meters;
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PBD::ScopedConnection _configuration_connection;
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PBD::ScopedConnection _meter_type_connection;
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PBD::ScopedConnection _parameter_connection;
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void hide_all_meters ();
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void parameter_changed (std::string);
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void configuration_changed (ARDOUR::ChanCount in, ARDOUR::ChanCount out);
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void meter_type_changed (ARDOUR::MeterType);
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};
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}
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#endif /* __ardour_push2_level_meter_h__ */
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