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livetrax/gtk2_ardour/hit.cc

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/*
Copyright (C) 2007 Paul Davis
Author: Dave Robillard
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.
*/
#include "evoral/Note.hpp"
#include "canvas/polygon.h"
#include "canvas/debug.h"
#include "midi_region_view.h"
#include "public_editor.h"
#include "utils.h"
#include "hit.h"
using namespace ARDOUR;
using namespace ArdourCanvas;
Hit::Hit (MidiRegionView& region, Item* parent, double size, const boost::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 ();
}
void
Hit::set_height (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
_polygon->set (p);
}
void
Hit::set_position (Duple position)
{
_polygon->set_position (position);
}
Coord
Hit::x0 () const
{
/* left vertex */
return _polygon->get()[0].x;
}
Coord
Hit::x1 () const
{
/* right vertex */
return _polygon->get()[2].x;
}
Coord
Hit::y0 () const
{
/* top vertex */
return _polygon->get()[1].y;
}
Coord
Hit::y1 () const
{
/* bottom vertex */
return _polygon->get()[3].y;
}