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/*
Copyright (C) 2000-2007 Paul Davis
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 <sigc++/signal.h>
#include <ardour/curve.h>
#include "automation_midi_cc_line.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
AutomationMidiCCLine::AutomationMidiCCLine (const string & name, TimeAxisView& tv, ArdourCanvas::Group& parent, AutomationList& l)
: AutomationLine (name, tv, parent, l)
{
set_verbose_cursor_uses_gain_mapping (true);
}
void
AutomationMidiCCLine::view_to_model_y (double& y)
{
assert(y >= 0);
assert(y <= 1);
y = (int)(y * 127.0);
assert(y >= 0);
assert(y <= 127);
}
void
AutomationMidiCCLine::model_to_view_y (double& y)
{
assert(y >= 0);
assert(y <= 127);
y = y / 127.0;
assert(y >= 0);
assert(y <= 1);
}
string
AutomationMidiCCLine::get_verbose_cursor_string (float fraction)
{
static const size_t MAX_VAL_LEN = 4; // 4 for "127\0"
char buf[MAX_VAL_LEN];
double cc_val = fraction;
view_to_model_y(cc_val); // 0..127
snprintf (buf, MAX_VAL_LEN, "%u", (unsigned)cc_val);
return buf;
}
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