94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
#include <ardour/curve.h>
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#include <ardour/audioregion.h>
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#include "region_gain_line.h"
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#include "regionview.h"
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#include "utils.h"
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#include "time_axis_view.h"
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#include "editor.h"
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#include <ardour/session.h>
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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AudioRegionGainLine::AudioRegionGainLine (const string & name, Session& s, AudioRegionView& r, ArdourCanvas::Group& parent, Curve& c)
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: AutomationLine (name, r.get_time_axis_view(), parent, c),
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session (s),
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rv (r)
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{
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group->raise_to_top ();
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set_verbose_cursor_uses_gain_mapping (true);
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terminal_points_can_slide = false;
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}
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void
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AudioRegionGainLine::view_to_model_y (double& y)
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{
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y = slider_position_to_gain (y);
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y = max (0.0, y);
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y = min (2.0, y);
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}
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void
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AudioRegionGainLine::model_to_view_y (double& y)
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{
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y = gain_to_slider_position (y);
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}
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void
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AudioRegionGainLine::start_drag (ControlPoint* cp, float fraction)
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{
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AutomationLine::start_drag(cp,fraction);
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if (!rv.region.envelope_active()) {
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trackview.session().add_undo( bind( mem_fun(rv.region, &AudioRegion::set_envelope_active), false) );
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}
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}
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// This is an extended copy from AutomationList
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void
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AudioRegionGainLine::remove_point (ControlPoint& cp)
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{
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ModelRepresentation mr;
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model_representation (cp, mr);
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trackview.editor.current_session()->begin_reversible_command (_("remove control point"));
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trackview.editor.current_session()->add_undo (get_memento());
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if (!rv.region.envelope_active()) {
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trackview.session().add_undo( bind( mem_fun(rv.region, &AudioRegion::set_envelope_active), false) );
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trackview.session().add_redo( bind( mem_fun(rv.region, &AudioRegion::set_envelope_active), true) );
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rv.region.set_envelope_active(true);
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}
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alist.erase (mr.start, mr.end);
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trackview.editor.current_session()->add_redo_no_execute (get_memento());
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trackview.editor.current_session()->commit_reversible_command ();
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trackview.editor.current_session()->set_dirty ();
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}
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void
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AudioRegionGainLine::end_drag (ControlPoint* cp)
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{
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if (!rv.region.envelope_active()) {
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trackview.session().add_redo( bind( mem_fun(rv.region, &AudioRegion::set_envelope_active), true) );
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rv.region.set_envelope_active(true);
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}
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AutomationLine::end_drag(cp);
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}
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// This is a copy from AutomationList
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UndoAction
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AudioRegionGainLine::get_memento ()
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{
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return alist.get_memento();
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}
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