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livetrax/gtk2_ardour/midi_view.h

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/*
* Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2008-2012 Hans Baier <hansfbaier@googlemail.com>
* Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2015-2017 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 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <string>
#include <vector>
#include <stdint.h>
#include <unordered_map>
#include <sigc++/signal.h>
#include "pbd/signals.h"
#include "ardour/midi_model.h"
#include "ardour/types.h"
#include "editing.h"
#include "region_view.h"
#include "midi_view_background.h"
#include "time_axis_view_item.h"
#include "editor_automation_line.h"
#include "enums.h"
#include "line_merger.h"
namespace ARDOUR {
class MidiRegion;
class MidiModel;
class MidiTrack;
class Filter;
};
namespace MIDI {
namespace Name {
struct PatchPrimaryKey;
};
};
class SysEx;
class Note;
class Hit;
class MidiTimeAxisView;
class NoteBase;
class GhostRegion;
class AutomationTimeAxisView;
class AutomationRegionView;
class MidiCutBuffer;
class MidiListEditor;
class EditNoteDialog;
class PatchChange;
class ItemCounts;
class CursorContext;
class VelocityGhostRegion;
class EditingContext;
class PasteContext;
class MidiView : public virtual sigc::trackable, public LineMerger
{
public:
typedef Evoral::Note<Temporal::Beats> NoteType;
typedef Evoral::Sequence<Temporal::Beats>::Notes Notes;
MidiView (std::shared_ptr<ARDOUR::MidiTrack> mt,
ArdourCanvas::Item& parent,
EditingContext& ec,
MidiViewBackground& bg,
uint32_t basic_color);
MidiView (MidiView const & other);
virtual ~MidiView ();
void init (bool wfd);
virtual void set_samples_per_pixel (double) {};
virtual bool display_is_enabled() const { return true; }
virtual ArdourCanvas::Item* drag_group() const = 0;
void step_add_note (uint8_t channel, uint8_t number, uint8_t velocity,
Temporal::Beats pos, Temporal::Beats len);
void step_sustain (Temporal::Beats beats);
virtual void set_height (double);
void apply_note_range(uint8_t lowest, uint8_t highest, bool force=false);
// inline ARDOUR::ColorMode color_mode() const { return _background->color_mode(); }
virtual uint32_t get_fill_color() const;
void color_handler ();
void show_step_edit_cursor (Temporal::Beats pos);
void move_step_edit_cursor (Temporal::Beats pos);
void hide_step_edit_cursor ();
void set_step_edit_cursor_width (Temporal::Beats beats);
virtual GhostRegion* add_ghost (TimeAxisView&) { return nullptr; }
virtual std::string get_modifier_name() const;
void set_region (std::shared_ptr<ARDOUR::MidiRegion>);
void set_track (std::shared_ptr<ARDOUR::MidiTrack>);
void set_model (std::shared_ptr<ARDOUR::MidiModel>);
NoteBase* add_note(const std::shared_ptr<NoteType> note, bool visible);
void cut_copy_clear (Editing::CutCopyOp);
bool paste (Temporal::timepos_t const & pos, const ::Selection& selection, PasteContext& ctx);
void paste_internal (Temporal::timepos_t const & pos, unsigned paste_count, float times, const MidiCutBuffer&);
void add_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr patch);
void remove_canvas_patch_change (PatchChange* pc);
/** Look up the given time and channel in the 'automation' and set keys accordingly.
* @param time the time of the patch change event
* @param channel the MIDI channel of the event
* @param key a reference to an instance of MIDI::Name::PatchPrimaryKey whose fields will
* will be set according to the result of the lookup
*/
void get_patch_key_at (Temporal::Beats time, uint8_t channel, MIDI::Name::PatchPrimaryKey& key) const;
/** Convert a given PatchChange into a PatchPrimaryKey
*/
MIDI::Name::PatchPrimaryKey patch_change_to_patch_key (ARDOUR::MidiModel::PatchChangePtr);
/** Change old_patch to new_patch.
* @param old_patch the canvas patch change which is to be altered
* @param new_patch new patch
*/
void change_patch_change (PatchChange& old_patch, const MIDI::Name::PatchPrimaryKey& new_patch);
void change_patch_change (ARDOUR::MidiModel::PatchChangePtr, Evoral::PatchChange<Temporal::Beats> const &);
void add_patch_change (Temporal::timecnt_t const &, Evoral::PatchChange<Temporal::Beats> const &);
void move_patch_change (PatchChange &, Temporal::Beats);
void delete_patch_change (PatchChange *);
void edit_patch_change (PatchChange *);
void delete_sysex (SysEx*);
/** Change a patch to the next or previous bank/program.
*
* @param patch The patch-change instance (canvas item)
* @param bank If true, step bank, otherwise, step program.
* @param delta Amount to adjust number.
*/
void step_patch (PatchChange& patch, bool bank, int delta);
/** Displays all patch change events in the region as flags on the canvas.
*/
void display_patch_changes();
/** Displays all system exclusive events in the region as flags on the canvas.
*/
void display_sysexes();
void begin_write ();
void end_write ();
void extend_active_notes ();
void extend_active_notes (Temporal::timecnt_t const &);
virtual void begin_drag_edit (std::string const & why);
void end_drag_edit ();
void display_model(std::shared_ptr<ARDOUR::MidiModel> model);
std::shared_ptr<ARDOUR::MidiModel> model() const { return _model; }
/* note_diff commands should start here; this initiates an undo record */
void start_note_diff_command (std::string name = "midi edit");
void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, uint8_t val);
void note_diff_add_change (NoteBase* ev, ARDOUR::MidiModel::NoteDiffCommand::Property, Temporal::Beats val);
void note_diff_add_note (const std::shared_ptr<NoteType> note, bool selected, bool show_velocity = false);
void note_diff_remove_note (NoteBase* ev);
/* note_diff commands should be completed with one of these calls; they may (or may not) commit the undo record */
void apply_note_diff (bool as_subcommand = false, bool was_copy = false);
void abort_note_diff();
void note_entered(NoteBase* ev);
void note_left(NoteBase* ev);
void patch_entered (PatchChange *);
void patch_left (PatchChange *);
void sysex_entered (SysEx* p);
void sysex_left (SysEx* p);
void note_mouse_position (float xfraction, float yfraction, bool can_set_cursor=true);
void unique_select(NoteBase* ev);
void note_selected(NoteBase* ev, bool add, bool extend=false);
void note_deselected(NoteBase* ev);
void delete_selection();
void delete_note (std::shared_ptr<NoteType>);
size_t selection_size() { return _selection.size(); }
void select_all_notes ();
void select_range(Temporal::timepos_t const & start, Temporal::timepos_t const & end);
void invert_selection ();
void extend_selection ();
void duplicate_selection ();
Temporal::Beats earliest_in_selection ();
void move_selection(Temporal::timecnt_t const & dx, double dy, double cumulative_dy);
void note_dropped (NoteBase* ev, Temporal::timecnt_t const & d_qn, int8_t d_note, bool copy);
NoteBase* copy_selection (NoteBase* primary);
void move_copies(Temporal::timecnt_t const & dx_qn, double dy, double cumulative_dy);
void select_notes (std::list<Evoral::event_id_t>, bool allow_audition);
void select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend);
void toggle_matching_notes (uint8_t notenum, uint16_t channel_mask);
/** Test if a note is within this region's range
*
* @param note the note to test
* @param visible will be set to true if the note is within the visible note range, false otherwise.
* @return true iff the note is within the (time) extent of the region.
*/
virtual bool note_in_region_range(const std::shared_ptr<NoteType> note, bool& visible) const;
/* Test if a note is withing this region's time range. Return true if so */
bool note_in_region_time_range(const std::shared_ptr<NoteType> note) const;
/** Get the region position in pixels relative to session. */
double get_position_pixels();
/** Get the region end position in pixels relative to session. */
double get_end_position_pixels();
/** Begin resizing of some notes.
* Called by CanvasMidiNote when resizing starts.
* @param at_front which end of the note (true == note on, false == note off)
*/
void begin_resizing(bool at_front);
void update_resizing (NoteBase* primary, bool at_front, double delta_x, bool relative, double snap_delta, bool with_snap);
void finish_resizing (NoteBase* primary, bool at_front, double delat_x, bool relative, double snap_delta, bool with_snap);
void abort_resizing ();
/** Change the channel of the selection.
* @param channel - the channel number of the new channel, zero-based
*/
void change_channel(uint8_t channel);
enum MouseState {
None,
Pressed,
SelectTouchDragging,
SelectRectDragging,
SelectVerticalDragging,
AddDragging
};
MouseState mouse_state() const { return _mouse_state; }
struct NoteResizeData {
::Note *note;
ArdourCanvas::Rectangle *resize_rect;
};
/** Snap a region relative pixel coordinate to pixel units.
* @param x a pixel coordinate relative to region start
* @param ensure_snap do not use magnetic snap (required for snap delta calculation)
* @return the snapped pixel coordinate relative to region start
*/
double snap_to_pixel(double x, bool ensure_snap = false);
/** Snap a region relative pixel coordinate to time units.
* @param x a pixel coordinate relative to region start
* @param ensure_snap ignore SnapOff and magnetic snap.
* Required for inverting snap logic with modifier keys and snap delta calculation.
* @return the snapped timecnt_t coordinate relative to region start
*/
Temporal::timecnt_t snap_pixel_to_time (double x, bool ensure_snap = false);
void goto_previous_note (bool add_to_selection);
void goto_next_note (bool add_to_selection);
void change_note_lengths (bool, bool, Temporal::Beats beats, bool start, bool end);
void change_velocities (bool up, bool fine, bool allow_smush, bool all_together);
void set_velocity (NoteBase* primary, int velocity);
bool set_velocity_for_notes (std::vector<NoteBase*>& notes, int velocity);
bool set_velocities_for_notes (std::vector<NoteBase*>& notes, std::vector<int>& velocities);
void transpose (bool up, bool fine, bool allow_smush);
void nudge_notes (bool forward, bool fine);
void channel_edit ();
void velocity_edit ();
void show_list_editor ();
void set_note_range (uint8_t low, uint8_t high);
virtual void set_visibility_note_range (MidiViewBackground::VisibleNoteRange, bool);
typedef std::set<NoteBase*> Selection;
Selection const & selection () const {
return _selection;
}
void selection_as_notelist (Notes& selected, bool allow_all_if_none_selected = false);
void set_channel_selector_scoped_note(NoteBase* note){ _channel_selection_scoped_note = note; }
NoteBase* channel_selector_scoped_note(){ return _channel_selection_scoped_note; }
void trim_front_starting ();
void trim_front_ending ();
/** Add a note to the model, and the view, at a canvas (click) coordinate.
* \param t time in samples relative to the position of the region
* \param y vertical position in pixels
* \param length duration of the note in beats
* \param state the keyboard modifier mask for the canvas event (click).
* \param shift_snap true alters snap behavior to round down always (false if the gui has already done that).
*/
void create_note_at (Temporal::timepos_t const & t, double y, Temporal::Beats length, uint32_t state, bool shift_snap);
/** An external request to clear the note selection, remove MRV from editor
* selection.
*/
void clear_selection ();
void note_deleted (NoteBase*);
void clear_note_selection ();
void show_verbose_cursor_for_new_note_value(std::shared_ptr<NoteType> current_note, uint8_t new_note) const;
std::shared_ptr<ARDOUR::MidiTrack> midi_track() const { return _midi_track; }
std::shared_ptr<ARDOUR::MidiRegion> midi_region() const { return _midi_region; }
EditingContext& editing_context() const { return _editing_context; }
MidiViewBackground& midi_context() const { return _midi_context; }
void clip_data_recorded (samplecnt_t);
virtual void select_self (bool add) {}
virtual void unselect_self () {}
void select_self () { select_self (false); }
virtual void select_self_uniquely () {}
protected:
void init (std::shared_ptr<ARDOUR::MidiTrack>);
virtual void region_resized (const PBD::PropertyChange&);
void set_flags (XMLNode *);
void store_flags ();
virtual void reset_width_dependent_items (double pixel_width);
void redisplay (bool view_only);
protected:
friend class EditingContext;
friend class Editor; // grr, C++ does not allow inheritance of friendship
void invert_note_selection ();
void extend_note_selection ();
void move_note_starts_earlier_fine () { change_note_lengths (true, false, Temporal::Beats(), true, false); }
void move_note_starts_earlier () { change_note_lengths (false, false, Temporal::Beats(), true, false); }
void move_note_ends_later_fine () { change_note_lengths (true, false, Temporal::Beats(), false, true); }
void move_note_ends_later () { change_note_lengths (false, false, Temporal::Beats(), false, true); }
void move_note_starts_later_fine () { change_note_lengths (true, true, Temporal::Beats(), true, false); }
void move_note_starts_later () { change_note_lengths (false, true, Temporal::Beats(), true, false); }
void move_note_ends_earlier_fine () { change_note_lengths (true, true, Temporal::Beats(), false, true); }
void move_note_ends_earlier () { change_note_lengths (false, true, Temporal::Beats(), false, true); }
void select_next_note () { goto_next_note (false); }
void select_previous_note () { goto_previous_note (false); }
void add_select_next_note () { goto_next_note (true); }
void add_select_previous_note () { goto_previous_note (true); }
void increase_note_velocity () { change_velocities (true, false, false, false); }
void increase_note_velocity_fine () { change_velocities (true, true, false, false); }
void increase_note_velocity_smush () { change_velocities (true, false, true, false); }
void increase_note_velocity_together () { change_velocities (true, false, false, true); }
void increase_note_velocity_fine_smush () { change_velocities (true, true, true, false); }
void increase_note_velocity_fine_together () { change_velocities (true, true, false, true); }
void increase_note_velocity_smush_together () { change_velocities (true, false, true, true); }
void increase_note_velocity_fine_smush_together () { change_velocities (true, true, true, true); }
void decrease_note_velocity () { change_velocities (false, false, false, false); }
void decrease_note_velocity_fine () { change_velocities (false, true, false, false); }
void decrease_note_velocity_smush () { change_velocities (false, false, true, false); }
void decrease_note_velocity_together () { change_velocities (false, false, false, true); }
void decrease_note_velocity_fine_smush () { change_velocities (false, true, true, false); }
void decrease_note_velocity_fine_together () { change_velocities (false, true, false, true); }
void decrease_note_velocity_smush_together () { change_velocities (false, false, true, true); }
void decrease_note_velocity_fine_smush_together () { change_velocities (false, true, true, true); }
void transpose_up_octave () { transpose (true, false, false); }
void transpose_up_octave_smush () { transpose (true, false, true); }
void transpose_up_tone () { transpose (true, true, false); }
void transpose_up_tone_smush () { transpose (true, true, true); }
void transpose_down_octave () { transpose (false, false, false); }
void transpose_down_octave_smush () { transpose (false, false, true); }
void transpose_down_tone () { transpose (false, true, false); }
void transpose_down_tone_smush () { transpose (false, true, true); }
void nudge_notes_later () { nudge_notes (true, false); }
void nudge_notes_later_fine () { nudge_notes (true, true); }
void nudge_notes_earlier () { nudge_notes (false, false); }
void nudge_notes_earlier_fine () { nudge_notes (false, true); }
void quantize_selected_notes ();
protected:
friend class MidiRubberbandSelectDrag;
friend class MidiVerticalSelectDrag;
friend class NoteDrag;
friend class NoteCreateDrag;
friend class HitCreateDrag;
friend class MidiGhostRegion;
friend class EditNoteDialog;
/** Play the NoteOn event of the given note immediately
* and schedule the playback of the corresponding NoteOff event.
*/
void play_midi_note (std::shared_ptr<NoteType> note);
void start_playing_midi_note (std::shared_ptr<NoteType> note);
void start_playing_midi_chord (std::vector<std::shared_ptr<NoteType> > notes);
/** Clear the note selection of just this midi region
*/
void clear_selection_internal ();
void clear_events ();
virtual void clear_ghost_events() {}
virtual void ghosts_model_changed() {}
virtual void ghosts_view_changed() {}
virtual void ghost_remove_note (NoteBase*) {}
virtual void ghost_add_note (NoteBase*) {}
virtual void ghost_sync_selection (NoteBase*) {}
virtual bool canvas_group_event(GdkEvent* ev);
bool note_canvas_event(GdkEvent* ev);
PBD::ScopedConnectionList connections_requiring_model;
PBD::ScopedConnection track_going_away_connection;
PBD::ScopedConnection region_going_away_connection;
void track_going_away ();
void region_going_away ();
void midi_channel_mode_changed ();
void instrument_settings_changed ();
void change_note_channel (NoteBase *, int8_t, bool relative=false);
void change_note_velocity(NoteBase* ev, int8_t vel, bool relative=false);
uint8_t change_note_note(NoteBase* ev, int8_t note, bool relative=false);
void change_note_time(NoteBase* ev, ARDOUR::MidiModel::TimeType, bool relative=false);
void change_note_length (NoteBase *, ARDOUR::MidiModel::TimeType);
void trim_note(NoteBase* ev, ARDOUR::MidiModel::TimeType start_delta,
ARDOUR::MidiModel::TimeType end_delta);
void update_drag_selection (Temporal::timepos_t const & start, Temporal::timepos_t const & end, double y0, double y1, bool extend);
void update_vertical_drag_selection (double last_y, double y, bool extend);
void add_to_selection (NoteBase*);
void remove_from_selection (NoteBase*);
std::string get_note_name (std::shared_ptr<NoteType> note, uint8_t note_value) const;
void show_verbose_cursor (std::string const &, double, double) const;
void show_verbose_cursor (std::shared_ptr<NoteType>) const;
uint8_t get_velocity_for_add (ARDOUR::MidiModel::TimeType time) const;
uint8_t get_channel_for_add (ARDOUR::MidiModel::TimeType time) const;
typedef std::unordered_map<std::shared_ptr<NoteType>, NoteBase*> Events;
typedef std::unordered_map<ARDOUR::MidiModel::PatchChangePtr, std::shared_ptr<PatchChange> > PatchChanges;
typedef std::unordered_map<ARDOUR::MidiModel::constSysExPtr, std::shared_ptr<SysEx> > SysExes;
typedef std::vector<NoteBase*> CopyDragEvents;
std::shared_ptr<ARDOUR::MidiTrack> _midi_track;
EditingContext& _editing_context;
MidiViewBackground& _midi_context;
std::shared_ptr<ARDOUR::MidiModel> _model;
std::shared_ptr<ARDOUR::MidiRegion> _midi_region;
Events _events;
CopyDragEvents _copy_drag_events;
PatchChanges _patch_changes;
SysExes _sys_exes;
Note** _active_notes;
Temporal::timecnt_t active_note_end;
ArdourCanvas::Container* _note_group;
ARDOUR::MidiModel::NoteDiffCommand* _note_diff_command;
NoteBase* _ghost_note;
double _last_ghost_x;
double _last_ghost_y;
ArdourCanvas::Rectangle* _step_edit_cursor;
Temporal::Beats _step_edit_cursor_width;
Temporal::Beats _step_edit_cursor_position;
NoteBase* _channel_selection_scoped_note;
MouseState _mouse_state;
int _pressed_button;
/** Currently selected NoteBase objects */
Selection _selection;
MidiCutBuffer* selection_as_cut_buffer () const;
/** New notes (created in the current command) which should be selected
* when they appear after the command is applied. */
std::set< std::shared_ptr<NoteType> > _marked_for_selection;
/** Notes that should be selected when the model is redisplayed. */
std::set<Evoral::event_id_t> _pending_note_selection;
/** New notes (created in the current command) which should have visible velocity
* when they appear after the command is applied. */
std::set< std::shared_ptr<NoteType> > _marked_for_velocity;
std::vector<NoteResizeData *> _resize_data;
/** connection used to connect to model's ContentChanged signal */
NoteBase* find_canvas_note (std::shared_ptr<NoteType>);
NoteBase* find_canvas_note (Evoral::event_id_t id);
Events::iterator _optimization_iterator;
std::shared_ptr<PatchChange> find_canvas_patch_change (ARDOUR::MidiModel::PatchChangePtr p);
std::shared_ptr<SysEx> find_canvas_sys_ex (ARDOUR::MidiModel::SysExPtr s);
friend class VelocityDisplay;
void sync_velocity_drag (double factor);
void update_note (NoteBase*);
virtual void update_sustained (Note *);
virtual void update_hit (Hit *);
void create_ghost_note (double, double, uint32_t state);
void update_ghost_note (double, double, uint32_t state);
MidiListEditor* _list_editor;
bool _no_sound_notes;
void snap_changed ();
virtual bool motion (GdkEventMotion*);
virtual bool scroll (GdkEventScroll*);
virtual bool key_press (GdkEventKey*);
virtual bool key_release (GdkEventKey*);
virtual bool button_press (GdkEventButton*);
virtual bool button_release (GdkEventButton*);
virtual bool enter_notify (GdkEventCrossing*);
virtual bool leave_notify (GdkEventCrossing*);
void drop_down_keys ();
void maybe_select_by_position (GdkEventButton* ev, double x, double y);
void get_events (Events& e, Evoral::Sequence<Temporal::Beats>::NoteOperator op, uint8_t val, int chan_mask = 0);
void display_patch_changes_on_channel (uint8_t, bool);
void data_recorded (std::weak_ptr<ARDOUR::MidiSource>);
/** Get grid type as beats, or default to 1 if not snapped to beats. */
Temporal::Beats get_grid_beats(Temporal::timepos_t const & pos) const;
Temporal::Beats get_draw_length_beats(Temporal::timepos_t const & pos) const;
void remove_ghost_note ();
virtual void mouse_mode_changed ();
virtual void enter_internal (uint32_t state);
virtual void leave_internal ();
void hide_verbose_cursor ();
samplecnt_t _last_display_zoom;
double _last_event_x;
double _last_event_y;
bool _entered;
NoteBase* _entered_note;
bool _select_all_notes_after_add;
bool _mouse_changed_selection;
Gtkmm2ext::Color _patch_change_outline;
Gtkmm2ext::Color _patch_change_fill;
std::shared_ptr<CursorContext> _press_cursor_ctx;
ARDOUR::ChannelMode get_channel_mode() const;
uint16_t get_selected_channels () const;
virtual double height() const;
virtual double contents_height() const { return height() - 2; }
inline double note_height() const { return contents_height() / _midi_context.contents_note_range(); }
double note_to_y (uint8_t note) const { return _midi_context.note_to_y (note); }
uint8_t y_to_note (double y) const { return _midi_context.y_to_note (y); }
void update_patch_changes ();
void update_sysexes ();
void view_changed ();
void model_changed ();
void sync_ghost_selection (NoteBase*);
struct SplitInfo {
Temporal::Beats time;
Temporal::Beats base_len;
int note;
int channel;
int velocity;
int off_velocity;
SplitInfo (Temporal::Beats const & t, Temporal::Beats const & l, int n, int c, int v, int ov)
: time (t)
, base_len (l)
, note (n)
, channel (c)
, velocity (v)
, off_velocity (ov) {}
};
std::vector<SplitInfo> split_info;
uint32_t split_tuple;
bool note_splitting;
bool _extensible; /* if true, we can add data beyond the current region/source end */
bool extensible() const { return _extensible; }
void set_extensible (bool yn) { _extensible = yn; }
void start_note_splitting ();
void end_note_splitting ();
void split_notes_grid ();
void split_notes_more ();
void split_notes_less ();
void join_notes ();
void join_notes_on_channel (int channel);
void add_split_notes ();
void region_update_sustained (Note *, double&, double&, double&, double&);
void clip_capture_update_sustained (Note *, double&, double&, double&, double&);
};
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