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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 964 | jag | 1 | /* |
| 2 | * range.cc |
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| 2009 | jag | 3 | * DIN Is Noise is copyright (c) 2006-2023 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 | #include "range.h" |
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| 9 | #include "font.h" |
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| 10 | #include "utils.h" |
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| 11 | #include "log.h" |
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| 12 | #include "audio.h" |
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| 13 | #include "scale_info.h" |
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| 14 | #include "console.h" |
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| 15 | |||
| 16 | #include <map> |
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| 17 | #include <fstream> |
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| 18 | using namespace std; |
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| 19 | |||
| 20 | extern multi_curve ran_mod_width_crv, ran_mod_height_crv; |
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| 21 | |||
| 1445 | jag | 22 | range::range () : fixed (CENTER), mod (&ran_mod_width_crv, &ran_mod_height_crv) {} |
| 964 | jag | 23 | |
| 24 | void range::calc_note_freq (int i, scale_info& si) { |
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| 25 | float interval = si.intervals [intervals[i]]; |
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| 26 | notes[i].set_freq (si.lo_tonic, interval); |
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| 27 | delta_step = notes[1].step - notes[0].step; |
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| 28 | } |
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| 29 | |||
| 30 | void range::calc (scale_info& si) { |
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| 31 | calc_note_freq (0, si); |
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| 32 | calc_note_freq (1, si); |
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| 33 | } |
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| 34 | |||
| 35 | void range::change_note (int i, int j, scale_info& si) { |
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| 36 | note& ni = notes [i]; |
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| 37 | ni.change_scale_pos (j, si); |
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| 38 | intervals[i] = si.notes [ni.scale_pos]; |
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| 39 | calc_note_freq (i, si); |
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| 40 | ni.set_name (intervals[i], si.western); |
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| 41 | } |
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| 42 | |||
| 1397 | jag | 43 | void range::change_octave (int i, int o, scale_info& si) { |
| 44 | note& ni = notes[i]; |
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| 45 | ni.octave += o; |
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| 46 | calc_note_freq (i, si); |
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| 47 | } |
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| 964 | jag | 48 | |
| 2005 | jag | 49 | void range::stamplabel (const string& lbl, int L, int B, int T/*, int w, int h*/) { |
| 50 | glColor3f (1, 1, 1); |
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| 51 | draw_string (lbl, L, B); |
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| 52 | draw_string (lbl, L, T); |
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| 53 | } |
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| 54 | |||
| 964 | jag | 55 | void range::draw_labels (int label, int show_frequency) { |
| 56 | |||
| 1802 | jag | 57 | int ln = line_height; |
| 58 | int L = extents.left, B = extents.bottom - ln, B2 = B - ln; |
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| 59 | int R = extents.right, T = extents.top, T2 = T + ln; |
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| 964 | jag | 60 | |
| 1802 | jag | 61 | glColor3f (1, 1, 1); |
| 964 | jag | 62 | pts[0]=L; pts[1]=extents.bottom; |
| 63 | pts[2]=R; pts[3]=extents.bottom; |
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| 64 | pts[4]=R; pts[5]=extents.top; |
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| 65 | pts[6]=L; pts[7]=extents.top; |
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| 66 | glVertexPointer (2, GL_INT, 0, pts); |
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| 67 | glDrawArrays (GL_LINE_LOOP, 0, 4); |
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| 68 | |||
| 69 | string& n0 = notes[0].name; |
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| 2006 | jag | 70 | stamplabel (n0, L, B, T); |
| 2005 | jag | 71 | |
| 964 | jag | 72 | if (show_frequency) { |
| 73 | string& h0 = notes[0].hz_name; |
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| 2006 | jag | 74 | stamplabel (h0, L, B2, T2); |
| 964 | jag | 75 | } |
| 76 | |||
| 77 | if (label == BOTH) { |
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| 78 | string& n1 = notes[1].name; |
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| 2006 | jag | 79 | stamplabel (n1, R, B, T); |
| 964 | jag | 80 | if (show_frequency) { |
| 81 | string& h1 = notes[1].hz_name; |
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| 2006 | jag | 82 | stamplabel (h1, R, B2, T2); |
| 964 | jag | 83 | } |
| 84 | } |
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| 85 | |||
| 86 | } |
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| 87 | |||
| 88 | void range::sample_rate_changed () { |
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| 89 | for (int i = 0; i < 2; ++i) notes[i].set_freq (notes[i].hz); |
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| 90 | delta_step = notes[1].step - notes[0].step; |
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| 91 | } |
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| 92 | |||
| 93 | void range::init_mod () { |
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| 94 | extern rnd<int> RAN_MOD_BPM; |
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| 95 | mod.active = 0; |
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| 96 | mod.fm.depth = 0; |
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| 1760 | jag | 97 | mod.fm.bv.set_bpm (RAN_MOD_BPM()); |
| 964 | jag | 98 | mod.fm.initial = extents.width; |
| 99 | mod.am.depth = 0; |
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| 1760 | jag | 100 | mod.am.bv.set_bpm (RAN_MOD_BPM()); |
| 964 | jag | 101 | mod.am.initial = extents.height; |
| 102 | } |
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| 103 | |||
| 104 | void range::change_height (int dh) { |
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| 105 | int top = extents.top + dh; |
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| 106 | if (top > extents.bottom) { |
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| 107 | extents (extents.left, extents.bottom, extents.right, top); |
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| 108 | mod.am.initial = extents.height; |
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| 109 | mod.am.bv.now = 0.0f; |
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| 1403 | jag | 110 | cons << "Height = " << extents.height << " Vol/pixel = " << 1.0f / extents.height << eol; |
| 964 | jag | 111 | } |
| 112 | } |
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| 1402 | jag | 113 | |
| 114 | void range::print_hz_per_pixel () { |
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| 115 | cons << YELLOW << "Width = " << extents.width << " pixels, Hz/pixel = " << hz_per_pix () << eol; |
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| 116 | } |