1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
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/parameter_descriptor.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
}
}
}
// Value is not a scale point, print it normally
if (desc.unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
if (v >= 0 && v <= 127) {
const int num = rint(v);
static const char names[12][3] = {
"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"
};
snprintf(buf, sizeof(buf), "%s %d", names[num % 12], (num / 12) - 2);
} else {
// Odd, invalid range, just print the number
snprintf(buf, sizeof(buf), "%.0f", 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 {
snprintf(buf, sizeof(buf), "%.2f", v);
}
if (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__ */
|