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 "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 ();
}

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);
}