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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/tools/event_log_visualizer/plot_python.h" | 11 #include "webrtc/tools/event_log_visualizer/plot_python.h" |
12 | 12 |
13 #include <stdio.h> | 13 #include <stdio.h> |
| 14 |
14 #include <memory> | 15 #include <memory> |
15 | 16 |
16 namespace webrtc { | 17 namespace webrtc { |
17 namespace plotting { | 18 namespace plotting { |
18 | 19 |
19 PythonPlot::PythonPlot() {} | 20 PythonPlot::PythonPlot() {} |
20 | 21 |
21 PythonPlot::~PythonPlot() {} | 22 PythonPlot::~PythonPlot() {} |
22 | 23 |
23 void PythonPlot::draw() { | 24 void PythonPlot::Draw() { |
24 // Write python commands to stdout. Intended program usage is | 25 // Write python commands to stdout. Intended program usage is |
25 // ./event_log_visualizer event_log160330.dump | python | 26 // ./event_log_visualizer event_log160330.dump | python |
26 | 27 |
27 if (!series.empty()) { | 28 if (!series_list_.empty()) { |
28 printf("color_count = %zu\n", series.size()); | 29 printf("color_count = %zu\n", series_list_.size()); |
29 printf( | 30 printf( |
30 "hls_colors = [(i*1.0/color_count, 0.25+i*0.5/color_count, 0.8) for i " | 31 "hls_colors = [(i*1.0/color_count, 0.25+i*0.5/color_count, 0.8) for i " |
31 "in range(color_count)]\n"); | 32 "in range(color_count)]\n"); |
32 printf("rgb_colors = [colorsys.hls_to_rgb(*hls) for hls in hls_colors]\n"); | 33 printf("rgb_colors = [colorsys.hls_to_rgb(*hls) for hls in hls_colors]\n"); |
33 | 34 |
34 for (size_t i = 0; i < series.size(); i++) { | 35 for (size_t i = 0; i < series_list_.size(); i++) { |
35 // List x coordinates | 36 // List x coordinates |
36 printf("x%zu = [", i); | 37 printf("x%zu = [", i); |
37 if (series[i].points.size() > 0) | 38 if (series_list_[i].points.size() > 0) |
38 printf("%G", series[i].points[0].x); | 39 printf("%G", series_list_[i].points[0].x); |
39 for (size_t j = 1; j < series[i].points.size(); j++) | 40 for (size_t j = 1; j < series_list_[i].points.size(); j++) |
40 printf(", %G", series[i].points[j].x); | 41 printf(", %G", series_list_[i].points[j].x); |
41 printf("]\n"); | 42 printf("]\n"); |
42 | 43 |
43 // List y coordinates | 44 // List y coordinates |
44 printf("y%zu = [", i); | 45 printf("y%zu = [", i); |
45 if (series[i].points.size() > 0) | 46 if (series_list_[i].points.size() > 0) |
46 printf("%G", series[i].points[0].y); | 47 printf("%G", series_list_[i].points[0].y); |
47 for (size_t j = 1; j < series[i].points.size(); j++) | 48 for (size_t j = 1; j < series_list_[i].points.size(); j++) |
48 printf(", %G", series[i].points[j].y); | 49 printf(", %G", series_list_[i].points[j].y); |
49 printf("]\n"); | 50 printf("]\n"); |
50 | 51 |
51 if (series[i].style == BAR_GRAPH) { | 52 if (series_list_[i].style == BAR_GRAPH) { |
52 // There is a plt.bar function that draws bar plots, | 53 // There is a plt.bar function that draws bar plots, |
53 // but it is *way* too slow to be useful. | 54 // but it is *way* too slow to be useful. |
54 printf( | 55 printf( |
55 "plt.vlines(x%zu, map(lambda t: min(t,0), y%zu), map(lambda t: " | 56 "plt.vlines(x%zu, map(lambda t: min(t,0), y%zu), map(lambda t: " |
56 "max(t,0), y%zu), color=rgb_colors[%zu], " | 57 "max(t,0), y%zu), color=rgb_colors[%zu], " |
57 "label=\'%s\')\n", | 58 "label=\'%s\')\n", |
58 i, i, i, i, series[i].label.c_str()); | 59 i, i, i, i, series_list_[i].label.c_str()); |
59 } else if (series[i].style == LINE_GRAPH) { | 60 } else if (series_list_[i].style == LINE_GRAPH) { |
60 printf("plt.plot(x%zu, y%zu, color=rgb_colors[%zu], label=\'%s\')\n", i, | 61 printf("plt.plot(x%zu, y%zu, color=rgb_colors[%zu], label=\'%s\')\n", i, |
61 i, i, series[i].label.c_str()); | 62 i, i, series_list_[i].label.c_str()); |
62 } else if (series[i].style == LINE_DOT_GRAPH) { | 63 } else if (series_list_[i].style == LINE_DOT_GRAPH) { |
63 printf( | 64 printf( |
64 "plt.plot(x%zu, y%zu, color=rgb_colors[%zu], label=\'%s\', " | 65 "plt.plot(x%zu, y%zu, color=rgb_colors[%zu], label=\'%s\', " |
65 "marker='.')\n", | 66 "marker='.')\n", |
66 i, i, i, series[i].label.c_str()); | 67 i, i, i, series_list_[i].label.c_str()); |
67 } else { | 68 } else { |
68 printf("raise Exception(\"Unknown graph type\")\n"); | 69 printf("raise Exception(\"Unknown graph type\")\n"); |
69 } | 70 } |
70 } | 71 } |
71 } | 72 } |
72 | 73 |
73 printf("plt.xlim(%f, %f)\n", xaxis_min, xaxis_max); | 74 printf("plt.xlim(%f, %f)\n", xaxis_min_, xaxis_max_); |
74 printf("plt.ylim(%f, %f)\n", yaxis_min, yaxis_max); | 75 printf("plt.ylim(%f, %f)\n", yaxis_min_, yaxis_max_); |
75 printf("plt.xlabel(\'%s\')\n", xaxis_label.c_str()); | 76 printf("plt.xlabel(\'%s\')\n", xaxis_label_.c_str()); |
76 printf("plt.ylabel(\'%s\')\n", yaxis_label.c_str()); | 77 printf("plt.ylabel(\'%s\')\n", yaxis_label_.c_str()); |
77 printf("plt.title(\'%s\')\n", title.c_str()); | 78 printf("plt.title(\'%s\')\n", title_.c_str()); |
78 if (!series.empty()) { | 79 if (!series_list_.empty()) { |
79 printf("plt.legend(loc=\'best\', fontsize=\'small\')\n"); | 80 printf("plt.legend(loc=\'best\', fontsize=\'small\')\n"); |
80 } | 81 } |
81 } | 82 } |
82 | 83 |
83 PythonPlotCollection::PythonPlotCollection() {} | 84 PythonPlotCollection::PythonPlotCollection() {} |
84 | 85 |
85 PythonPlotCollection::~PythonPlotCollection() {} | 86 PythonPlotCollection::~PythonPlotCollection() {} |
86 | 87 |
87 void PythonPlotCollection::draw() { | 88 void PythonPlotCollection::Draw() { |
88 printf("import matplotlib.pyplot as plt\n"); | 89 printf("import matplotlib.pyplot as plt\n"); |
89 printf("import colorsys\n"); | 90 printf("import colorsys\n"); |
90 for (size_t i = 0; i < plots.size(); i++) { | 91 for (size_t i = 0; i < plots_.size(); i++) { |
91 printf("plt.figure(%zu)\n", i); | 92 printf("plt.figure(%zu)\n", i); |
92 plots[i]->draw(); | 93 plots_[i]->Draw(); |
93 } | 94 } |
94 printf("plt.show()\n"); | 95 printf("plt.show()\n"); |
95 } | 96 } |
96 | 97 |
97 Plot* PythonPlotCollection::append_new_plot() { | 98 Plot* PythonPlotCollection::AppendNewPlot() { |
98 Plot* plot = new PythonPlot(); | 99 Plot* plot = new PythonPlot(); |
99 plots.push_back(std::unique_ptr<Plot>(plot)); | 100 plots_.push_back(std::unique_ptr<Plot>(plot)); |
100 return plot; | 101 return plot; |
101 } | 102 } |
102 | 103 |
103 } // namespace plotting | 104 } // namespace plotting |
104 } // namespace webrtc | 105 } // namespace webrtc |
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