Move webrtc/{tools => rtc_tools}

webrtc/tools/event_log_visualizer/plot_base.h

-/*
- *  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.
- */
-#ifndef WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_BASE_H_
-#define WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_BASE_H_
-
-#include <memory>
-#include <string>
-#include <utility>
-#include <vector>
-
-namespace webrtc {
-namespace plotting {
-
-enum PlotStyle {
-  LINE_GRAPH,
-  LINE_DOT_GRAPH,
-  BAR_GRAPH,
-  LINE_STEP_GRAPH,
-  DOT_GRAPH
-};
-
-struct TimeSeriesPoint {
-  TimeSeriesPoint(float x, float y) : x(x), y(y) {}
-  float x;
-  float y;
-};
-
-struct TimeSeries {
-  TimeSeries() = default;
-  TimeSeries(const char* label, PlotStyle style) : label(label), style(style) {}
-  TimeSeries(const std::string& label, PlotStyle style)
-      : label(label), style(style) {}
-  TimeSeries(TimeSeries&& other)
-      : label(std::move(other.label)),
-        style(other.style),
-        points(std::move(other.points)) {}
-  TimeSeries& operator=(TimeSeries&& other) {
-    label = std::move(other.label);
-    style = other.style;
-    points = std::move(other.points);
-    return *this;
-  }
-
-  std::string label;
-  PlotStyle style;
-  std::vector<TimeSeriesPoint> points;
-};
-
-// A container that represents a general graph, with axes, title and one or
-// more data series. A subclass should define the output format by overriding
-// the Draw() method.
-class Plot {
- public:
-  virtual ~Plot() {}
-
-  // Overloaded to draw the plot.
-  virtual void Draw() = 0;
-
-  // Sets the lower x-axis limit to min_value (if left_margin == 0).
-  // Sets the upper x-axis limit to max_value (if right_margin == 0).
-  // The margins are measured as fractions of the interval
-  // (max_value - min_value) and are added to either side of the plot.
-  void SetXAxis(float min_value,
-                float max_value,
-                std::string label,
-                float left_margin = 0,
-                float right_margin = 0);
-
-  // Sets the lower and upper x-axis limits based on min_value and max_value,
-  // but modified such that all points in the data series can be represented
-  // on the x-axis. The margins are measured as fractions of the range of
-  // x-values and are added to either side of the plot.
-  void SetSuggestedXAxis(float min_value,
-                         float max_value,
-                         std::string label,
-                         float left_margin = 0,
-                         float right_margin = 0);
-
-  // Sets the lower y-axis limit to min_value (if bottom_margin == 0).
-  // Sets the upper y-axis limit to max_value (if top_margin == 0).
-  // The margins are measured as fractions of the interval
-  // (max_value - min_value) and are added to either side of the plot.
-  void SetYAxis(float min_value,
-                float max_value,
-                std::string label,
-                float bottom_margin = 0,
-                float top_margin = 0);
-
-  // Sets the lower and upper y-axis limits based on min_value and max_value,
-  // but modified such that all points in the data series can be represented
-  // on the y-axis. The margins are measured as fractions of the range of
-  // y-values and are added to either side of the plot.
-  void SetSuggestedYAxis(float min_value,
-                         float max_value,
-                         std::string label,
-                         float bottom_margin = 0,
-                         float top_margin = 0);
-
-  // Sets the title of the plot.
-  void SetTitle(std::string title);
-
-  // Add a new TimeSeries to the plot.
-  void AppendTimeSeries(TimeSeries&& time_series);
-
-  // Add a new TimeSeries to the plot if the series contains contains data.
-  // Otherwise, the call has no effect and the timeseries is destroyed.
-  void AppendTimeSeriesIfNotEmpty(TimeSeries&& time_series);
-
- protected:
-  float xaxis_min_;
-  float xaxis_max_;
-  std::string xaxis_label_;
-  float yaxis_min_;
-  float yaxis_max_;
-  std::string yaxis_label_;
-  std::string title_;
-  std::vector<TimeSeries> series_list_;
-};
-
-class PlotCollection {
- public:
-  virtual ~PlotCollection() {}
-  virtual void Draw() = 0;
-  virtual Plot* AppendNewPlot() = 0;
-
- protected:
-  std::vector<std::unique_ptr<Plot> > plots_;
-};
-
-}  // namespace plotting
-}  // namespace webrtc
-
-#endif  // WEBRTC_TOOLS_EVENT_LOG_VISUALIZER_PLOT_BASE_H_