2 Copyright (C) 2014 Paul Davis
3 Author: David Robillard
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef __ardour_value_as_string_h__
22 #define __ardour_value_as_string_h__
26 #include "ardour/dB.h"
27 #include "ardour/parameter_descriptor.h"
32 value_as_string(const ARDOUR::ParameterDescriptor& desc,
37 if (desc.scale_points) {
38 // Check if value is on a scale point
39 for (ARDOUR::ScalePoints::const_iterator i = desc.scale_points->begin();
40 i != desc.scale_points->end();
43 return i->first; // Found it, return scale point label
48 // Value is not a scale point, print it normally
49 if (desc.unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
50 snprintf(buf, sizeof(buf), "%s", ParameterDescriptor::midi_note_name (rint(v)).c_str());
51 } else if (desc.type == GainAutomation || desc.type == TrimAutomation || desc.type == EnvelopeAutomation) {
52 snprintf(buf, sizeof(buf), "%.1f dB", accurate_coefficient_to_dB (v));
53 } else if (!desc.print_fmt.empty()) {
54 snprintf(buf, sizeof(buf), desc.print_fmt.c_str(), v);
55 } else if (desc.integer_step) {
56 snprintf(buf, sizeof(buf), "%d", (int)v);
57 } else if (desc.upper - desc.lower >= 1000) {
58 snprintf(buf, sizeof(buf), "%.1f", v);
59 } else if (desc.upper - desc.lower >= 100) {
60 snprintf(buf, sizeof(buf), "%.2f", v);
62 snprintf(buf, sizeof(buf), "%.3f", v);
64 if (desc.print_fmt.empty() && desc.unit == ARDOUR::ParameterDescriptor::DB) {
65 // TODO: Move proper dB printing from AutomationLine here
66 return std::string(buf) + " dB";
72 value_as_string(const ARDOUR::ParameterDescriptor& desc,
73 const ARDOUR::Variant& val)
75 // Only numeric support, for now
76 return value_as_string(desc, val.to_double());
81 #endif /* __ardour_value_as_string_h__ */