1 /** 2 * Copyright (c) 2016, Timothy Stack 3 * 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * * Redistributions of source code must retain the above copyright notice, this 10 * list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * * Neither the name of Timothy Stack nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY 22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * @file spectroview_curses.hh 30 */ 31 32 #ifndef spectro_source_hh 33 #define spectro_source_hh 34 35 #include <math.h> 36 #include <time.h> 37 38 #include <map> 39 #include <vector> 40 41 #include "ansi_scrubber.hh" 42 #include "textview_curses.hh" 43 44 struct spectrogram_bounds { 45 time_t sb_begin_time{0}; 46 time_t sb_end_time{0}; 47 double sb_min_value_out{0.0}; 48 double sb_max_value_out{0.0}; 49 int64_t sb_count{0}; 50 }; 51 52 struct spectrogram_thresholds { 53 int st_green_threshold{0}; 54 int st_yellow_threshold{0}; 55 }; 56 57 struct spectrogram_request { spectrogram_requestspectrogram_request58 explicit spectrogram_request(spectrogram_bounds &sb) 59 : sr_bounds(sb) { 60 }; 61 62 spectrogram_bounds &sr_bounds; 63 unsigned long sr_width{0}; 64 time_t sr_begin_time{0}; 65 time_t sr_end_time{0}; 66 double sr_column_size{0}; 67 }; 68 69 struct spectrogram_row { ~spectrogram_rowspectrogram_row70 ~spectrogram_row() { 71 delete[] this->sr_values; 72 } 73 74 struct row_bucket { row_bucketspectrogram_row::row_bucket75 row_bucket() : rb_counter(0), rb_marks(0) { }; 76 77 int rb_counter; 78 int rb_marks; 79 }; 80 81 row_bucket *sr_values{nullptr}; 82 unsigned long sr_width{0}; 83 double sr_column_size{0.0}; 84 add_valuespectrogram_row85 void add_value(spectrogram_request &sr, double value, bool marked) { 86 long index = lrint((value - sr.sr_bounds.sb_min_value_out) / sr.sr_column_size); 87 88 this->sr_values[index].rb_counter += 1; 89 if (marked) { 90 this->sr_values[index].rb_marks += 1; 91 } 92 }; 93 }; 94 95 class spectrogram_value_source { 96 public: 97 virtual ~spectrogram_value_source() = default; 98 99 virtual void spectro_bounds(spectrogram_bounds &sb_out) = 0; 100 101 virtual void spectro_row(spectrogram_request &sr, 102 spectrogram_row &row_out) = 0; 103 104 virtual void spectro_mark(textview_curses &tc, 105 time_t begin_time, time_t end_time, 106 double range_min, double range_max) = 0; 107 }; 108 109 class spectrogram_source 110 : public text_sub_source, 111 public text_time_translator, 112 public list_overlay_source, 113 public list_input_delegate { 114 public: invalidate()115 void invalidate() { 116 this->ss_cached_bounds.sb_count = 0; 117 this->ss_row_cache.clear(); 118 this->ss_cursor_column = -1; 119 }; 120 121 bool list_input_handle_key(listview_curses &lv, int ch) override; 122 123 bool list_value_for_overlay(const listview_curses &lv, 124 int y, int bottom, 125 vis_line_t row, 126 attr_line_t &value_out) override; 127 128 size_t text_line_count() override; 129 130 size_t text_line_width(textview_curses &tc) override; 131 text_size_for_line(textview_curses & tc,int row,line_flags_t flags)132 size_t text_size_for_line(textview_curses &tc, int row, line_flags_t flags) override { 133 return 0; 134 }; 135 136 nonstd::optional<struct timeval> time_for_row(vis_line_t row) override; 137 138 nonstd::optional<vis_line_t> row_for_time(struct timeval time_bucket) override; 139 140 void text_value_for_line(textview_curses &tc, 141 int row, 142 std::string &value_out, 143 line_flags_t flags) override; 144 145 void text_attrs_for_line(textview_curses &tc, 146 int row, 147 string_attrs_t &value_out) override; 148 149 void cache_bounds(); 150 151 spectrogram_row &load_row(textview_curses &tc, int row); 152 153 int ss_granularity{60}; 154 spectrogram_value_source *ss_value_source{nullptr}; 155 spectrogram_bounds ss_cached_bounds; 156 spectrogram_thresholds ss_cached_thresholds; 157 size_t ss_cached_line_count{0}; 158 std::map<time_t, spectrogram_row> ss_row_cache; 159 vis_line_t ss_cursor_top; 160 int ss_cursor_column{-1}; 161 }; 162 163 #endif 164