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/*
Copyright (C) 2014 Paul Davis
Author: David 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.
*/
#ifndef __ardour_value_as_string_h__
#define __ardour_value_as_string_h__
#include <stddef.h>
#include "ardour/dB.h"
#include "ardour/parameter_descriptor.h"
#include "pbd/i18n.h"
namespace ARDOUR {
inline std::string
value_as_string(const ARDOUR::ParameterDescriptor& desc,
double v)
{
char buf[32];
if (desc.scale_points) {
// Check if value is on a scale point
for (ARDOUR::ScalePoints::const_iterator i = desc.scale_points->begin();
i != desc.scale_points->end();
++i) {
if (i->second == v) {
return i->first; // Found it, return scale point label
}
}
}
if (desc.toggled) {
return v > 0 ? _("on") : _("off");
}
// Value is not a scale point, print it normally
if (desc.unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
snprintf(buf, sizeof(buf), "%s", ParameterDescriptor::midi_note_name (rint(v)).c_str());
} else if (desc.type == GainAutomation || desc.type == TrimAutomation || desc.type == EnvelopeAutomation) {
snprintf(buf, sizeof(buf), "%.1f dB", accurate_coefficient_to_dB (v));
} else if (desc.type == PanWidthAutomation) {
snprintf (buf, sizeof (buf), "%d%%", (int) floor (100.0 * v));
} else if (!desc.print_fmt.empty()) {
snprintf(buf, sizeof(buf), desc.print_fmt.c_str(), v);
} else if (desc.integer_step) {
snprintf(buf, sizeof(buf), "%d", (int)v);
} else if (desc.upper - desc.lower >= 1000) {
snprintf(buf, sizeof(buf), "%.1f", v);
} else if (desc.upper - desc.lower >= 100) {
snprintf(buf, sizeof(buf), "%.2f", v);
} else {
snprintf(buf, sizeof(buf), "%.3f", v);
}
if (desc.print_fmt.empty() && desc.unit == ARDOUR::ParameterDescriptor::DB) {
// TODO: Move proper dB printing from AutomationLine here
return std::string(buf) + " dB";
}
return buf;
}
inline std::string
value_as_string(const ARDOUR::ParameterDescriptor& desc,
const ARDOUR::Variant& val)
{
// Only numeric support, for now
return value_as_string(desc, val.to_double());
}
} // namespace ARDOUR
#endif /* __ardour_value_as_string_h__ */
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