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livetrax/gtk2_ardour/hit.cc

155 lines
3.0 KiB
C++

/*
* Copyright (C) 2013-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2014 David Robillard <d@drobilla.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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "temporal/beats.h"
#include "evoral/Note.h"
#include "canvas/polygon.h"
#include "canvas/debug.h"
#include "hit.h"
using namespace ARDOUR;
using namespace ArdourCanvas;
Hit::Hit (MidiRegionView& region, Item* parent, double size, const std::shared_ptr<NoteType> note, bool with_events)
: NoteBase (region, with_events, note)
{
_polygon = new ArdourCanvas::Polygon (parent);
CANVAS_DEBUG_NAME (_polygon, "note");
set_item (_polygon);
set_height (size);
}
Hit::~Hit ()
{
delete _polygon;
}
void
Hit::move_event (double dx, double dy)
{
Points points = _polygon->get();
Points moved;
for (Points::iterator p = points.begin(); p != points.end(); ++p) {
moved.push_back ((*p).translate (ArdourCanvas::Duple (dx, dy)));
}
_polygon->set (moved);
}
void
Hit::set_outline_color (uint32_t color)
{
_polygon->set_outline_color (color);
}
void
Hit::set_fill_color (uint32_t color)
{
_polygon->set_fill_color (color);
}
void
Hit::show ()
{
_polygon->show ();
}
void
Hit::hide ()
{
_polygon->hide ();
}
Points
Hit::points(Distance height)
{
/* draw a diamond */
Points p;
const double half_height = height/2.0;
p.push_back (Duple (-half_height, 0)); // left, middle
p.push_back (Duple (0, -half_height)); // top
p.push_back (Duple (+half_height, 0)); // right, middle
p.push_back (Duple (0, +half_height)); // bottom
return p;
}
void
Hit::set_height (Distance height)
{
_polygon->set (points(height));
}
Duple
Hit::position ()
{
return _polygon->position ();
}
void
Hit::set_position (Duple position)
{
_polygon->set_position (position);
}
Coord
Hit::x0 () const
{
/* left vertex */
return _polygon->position().x + _polygon->get()[0].x;
}
Coord
Hit::x1 () const
{
/* right vertex */
return _polygon->position().x + _polygon->get()[2].x;
}
Coord
Hit::y0 () const
{
/* top vertex */
return _polygon->position().y + _polygon->get()[1].y;
}
Coord
Hit::y1 () const
{
/* bottom vertex */
return _polygon->position().y + _polygon->get()[3].y;
}
void
Hit::set_ignore_events (bool ignore)
{
_polygon->set_ignore_events (ignore);
}
double
Hit::visual_velocity() const
{
/* We don't display velocity in any explicit way */
return 0.0;
}