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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 964 | jag | 1 | /* |
| 2 | * scale_info.cc |
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| 2302 | jag | 3 | * DIN Is Noise is copyright (c) 2006-2025 Jagannathan Sampath |
| 1713 | jag | 4 | * DIN Is Noise is released under GNU Public License 2.0 |
| 1479 | jag | 5 | * For more information, please visit https://dinisnoise.org/ |
| 964 | jag | 6 | */ |
| 7 | |||
| 8 | |||
| 9 | #include "scalelist.h" |
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| 10 | #include "scale_info.h" |
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| 11 | #include "tokenizer.h" |
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| 12 | #include "utils.h" |
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| 13 | #include "checkbutton.h" |
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| 14 | #include "note.h" |
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| 15 | #include "settings.h" |
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| 16 | #include "ui_list.h" |
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| 17 | #include "main.h" |
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| 2099 | jag | 18 | #include "console.h" |
| 19 | #include "log.h" |
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| 964 | jag | 20 | #include <vector> |
| 21 | #include <string> |
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| 22 | |||
| 23 | extern string user_data_dir; |
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| 24 | extern map<string, float> INTERVALS; |
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| 25 | extern int NUM_INTERVALS; |
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| 26 | extern vector<string> INTERVAL_NAMES; |
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| 27 | extern string SCALE; |
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| 28 | extern ui_list uis; |
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| 29 | extern char BUFFER []; |
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| 30 | |||
| 31 | int scale_info::set_tonic (float f) { |
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| 32 | nearest_note.freq = f; |
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| 33 | western = find_nearest_note (nearest_note.name, nearest_note.freq, nearest_note.distance); |
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| 2100 | jag | 34 | |
| 35 | // snap note |
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| 36 | // |
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| 37 | /*float d2 = nearest_note.distance * nearest_note.distance; |
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| 2099 | jag | 38 | if (d2 > 1) { |
| 39 | tonic = f; |
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| 40 | } else { |
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| 41 | if (nearest_note.freq != lastsnapfreq) { |
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| 42 | tonic = nearest_note.freq; |
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| 43 | lastsnapfreq = tonic; |
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| 44 | } else { |
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| 45 | tonic = f; |
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| 46 | lastsnapfreq = 0.0f; |
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| 47 | } |
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| 2100 | jag | 48 | }*/ |
| 49 | |||
| 50 | tonic = f; |
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| 964 | jag | 51 | lo_tonic = tonic / 2.0f; |
| 52 | hi_tonic = tonic * 2.0f; |
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| 53 | if (scl) scl->tonic_changed (); |
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| 54 | return 1; |
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| 55 | } |
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| 56 | |||
| 57 | int scale_info::load_scale (const string& n) { |
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| 2250 | jag | 58 | |
| 964 | jag | 59 | name = n; |
| 60 | |||
| 61 | ifstream file ((user_data_dir + name).c_str(), ios::in); |
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| 62 | if (!file) return 0; |
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| 63 | |||
| 64 | string ignore; |
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| 65 | int nn; |
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| 66 | file >> ignore >> nn >> ignore; |
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| 67 | set_num_notes (nn); |
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| 68 | notes.resize (num_notes); |
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| 69 | for (int i = 0; i < num_notes; ++i) file >> notes[i]; |
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| 70 | |||
| 71 | intervals = INTERVALS; |
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| 72 | |||
| 73 | if (scl) scl->scale_loaded (); |
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| 74 | |||
| 75 | return 1; |
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| 76 | |||
| 77 | } |
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| 78 | |||
| 79 | int scale_info::save_scale () { |
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| 80 | |||
| 81 | string fname (user_data_dir + name); |
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| 82 | |||
| 83 | ofstream file ((user_data_dir + name).c_str(), ios::out); |
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| 84 | if (!file) return 0; |
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| 85 | |||
| 86 | file << "num_notes " << num_notes << endl; |
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| 87 | file << "notes "; |
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| 1695 | jag | 88 | for (int i = 0; i < num_notes; ++i) file << notes[i] << spc; |
| 964 | jag | 89 | file << endl; |
| 90 | |||
| 91 | dlog << "+++ saved scale into " + fname + " +++" << endl; |
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| 92 | |||
| 93 | return 1; |
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| 94 | |||
| 95 | } |
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| 96 | |||
| 97 | void scale_info::update (checkbutton* cb_notes) { |
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| 98 | notes.clear (); |
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| 99 | name.clear (); |
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| 100 | for (int i = 0; i < NUM_INTERVALS; ++i) { |
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| 2077 | jag | 101 | if (cb_notes[i].state) { |
| 964 | jag | 102 | const string& in = INTERVAL_NAMES[i]; |
| 103 | notes.push_back (in); |
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| 104 | name += in; |
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| 105 | } |
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| 106 | } |
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| 107 | |||
| 108 | set_num_notes (notes.size ()); |
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| 109 | if (scl) scl->scale_changed (); |
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| 110 | SCALE = name; |
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| 111 | } |
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| 112 | |||
| 113 | void scale_info::update_settings () { |
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| 114 | sprintf (BUFFER, " nearest note = %s @ %0.3f Hz", nearest_note.name.c_str (), nearest_note.freq); |
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| 2112 | jag | 115 | uis.settings_scr.ol_nearest_note.option.set_text (BUFFER); |
| 116 | uis.settings_scr.ol_nearest_note.set_apply_pos (); |
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| 1120 | jag | 117 | uis.settings_scr.sp_key.set_value (tonic); |
| 964 | jag | 118 | uis.settings_scr.sn_scale_notes.refresh (); |
| 119 | } |
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| 120 | |||
| 121 | void scale_info::set_num_notes (int n) { |
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| 122 | num_notes = n; |
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| 123 | last_note = num_notes - 1; |
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| 124 | second_last_note = last_note - 1; |
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| 125 | num_ranges = last_note; |
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| 126 | last_range = num_ranges - 1; |
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| 127 | } |