Add rtc_ prefix to the event_log_visualizer directory.

No-Try: True
Bug: None
Change-Id: Iaa2b273ddab6567321f11bf74a91751cbdf957a5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/146710
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28681}

rtc_tools/rtc_event_log_visualizer/plot_base.cc

@@ -0,0 +1,96 @@
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "rtc_tools/rtc_event_log_visualizer/plot_base.h"
+
+#include <algorithm>
+
+#include "rtc_base/checks.h"
+
+namespace webrtc {
+
+void Plot::SetXAxis(float min_value,
+                    float max_value,
+                    std::string label,
+                    float left_margin,
+                    float right_margin) {
+  RTC_DCHECK_LE(min_value, max_value);
+  xaxis_min_ = min_value - left_margin * (max_value - min_value);
+  xaxis_max_ = max_value + right_margin * (max_value - min_value);
+  xaxis_label_ = label;
+}
+
+void Plot::SetSuggestedXAxis(float min_value,
+                             float max_value,
+                             std::string label,
+                             float left_margin,
+                             float right_margin) {
+  for (const auto& series : series_list_) {
+    for (const auto& point : series.points) {
+      min_value = std::min(min_value, point.x);
+      max_value = std::max(max_value, point.x);
+    }
+  }
+  SetXAxis(min_value, max_value, label, left_margin, right_margin);
+}
+
+void Plot::SetYAxis(float min_value,
+                    float max_value,
+                    std::string label,
+                    float bottom_margin,
+                    float top_margin) {
+  RTC_DCHECK_LE(min_value, max_value);
+  yaxis_min_ = min_value - bottom_margin * (max_value - min_value);
+  yaxis_max_ = max_value + top_margin * (max_value - min_value);
+  yaxis_label_ = label;
+}
+
+void Plot::SetSuggestedYAxis(float min_value,
+                             float max_value,
+                             std::string label,
+                             float bottom_margin,
+                             float top_margin) {
+  for (const auto& series : series_list_) {
+    for (const auto& point : series.points) {
+      min_value = std::min(min_value, point.y);
+      max_value = std::max(max_value, point.y);
+    }
+  }
+  SetYAxis(min_value, max_value, label, bottom_margin, top_margin);
+}
+
+void Plot::SetYAxisTickLabels(
+    const std::vector<std::pair<float, std::string>>& labels) {
+  yaxis_tick_labels_ = labels;
+}
+
+void Plot::SetTitle(const std::string& title) {
+  title_ = title;
+}
+
+void Plot::SetId(const std::string& id) {
+  id_ = id;
+}
+
+void Plot::AppendTimeSeries(TimeSeries&& time_series) {
+  series_list_.emplace_back(std::move(time_series));
+}
+
+void Plot::AppendIntervalSeries(IntervalSeries&& interval_series) {
+  interval_list_.emplace_back(std::move(interval_series));
+}
+
+void Plot::AppendTimeSeriesIfNotEmpty(TimeSeries&& time_series) {
+  if (time_series.points.size() > 0) {
+    series_list_.emplace_back(std::move(time_series));
+  }
+}
+
+}  // namespace webrtc