97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
/*
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* Copyright (C) 2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_value_as_string_h__
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#define __ardour_value_as_string_h__
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#include <stddef.h>
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#include "ardour/dB.h"
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#include "ardour/parameter_descriptor.h"
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#include "pbd/i18n.h"
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namespace ARDOUR {
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inline std::string
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value_as_string(const ARDOUR::ParameterDescriptor& desc,
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double v)
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{
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char buf[32];
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if (desc.scale_points) {
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// Check if value is on a scale point
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for (ARDOUR::ScalePoints::const_iterator i = desc.scale_points->begin();
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i != desc.scale_points->end();
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++i) {
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if (i->second == v) {
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return i->first; // Found it, return scale point label
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}
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}
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}
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if (desc.toggled) {
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return v > 0 ? _("on") : _("off");
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}
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// Value is not a scale point, print it normally
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if (desc.unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
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snprintf(buf, sizeof(buf), "%s", ParameterDescriptor::midi_note_name (rint(v)).c_str());
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} else if (desc.type == GainAutomation || desc.type == BusSendLevel || desc.type == TrimAutomation || desc.type == EnvelopeAutomation || desc.type == MainOutVolume || desc.type == SurroundSendLevel || desc.type == InsertReturnLevel) {
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#ifdef PLATFORM_WINDOWS
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if (v < GAIN_COEFF_SMALL) {
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snprintf(buf, sizeof(buf), "-inf dB");
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} else {
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snprintf(buf, sizeof(buf), "%.2f dB", accurate_coefficient_to_dB (v));
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}
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#else
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snprintf(buf, sizeof(buf), "%.2f dB", accurate_coefficient_to_dB (v));
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#endif
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} else if (desc.type == PanWidthAutomation) {
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snprintf (buf, sizeof (buf), "%d%%", (int) floor (100.0 * v));
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} else if (!desc.print_fmt.empty()) {
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snprintf(buf, sizeof(buf), desc.print_fmt.c_str(), v);
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} else if (desc.integer_step) {
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snprintf(buf, sizeof(buf), "%d", (int)v);
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} else if (desc.upper - desc.lower >= 1000) {
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snprintf(buf, sizeof(buf), "%.1f", v);
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} else if (desc.upper - desc.lower >= 100) {
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snprintf(buf, sizeof(buf), "%.2f", v);
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} else {
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snprintf(buf, sizeof(buf), "%.3f", v);
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}
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if (desc.print_fmt.empty() && desc.unit == ARDOUR::ParameterDescriptor::DB) {
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// TODO: Move proper dB printing from AutomationLine here
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return std::string(buf) + " dB";
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}
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return buf;
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}
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inline std::string
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value_as_string(const ARDOUR::ParameterDescriptor& desc,
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const ARDOUR::Variant& val)
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{
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// Only numeric support, for now
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return value_as_string(desc, val.to_double());
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}
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} // namespace ARDOUR
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#endif /* __ardour_value_as_string_h__ */
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