OpenHardwareMonitor-retired: GUI/PlotPanel.cs@01d283b11596

     1 /*

     3   This Source Code Form is subject to the terms of the Mozilla Public

     4   License, v. 2.0. If a copy of the MPL was not distributed with this

     5   file, You can obtain one at http://mozilla.org/MPL/2.0/.

     7   Copyright (C) 2009-2011 Michael Möller <mmoeller@openhardwaremonitor.org>

     9 */

    11 using System;

    12 using System.Collections.Generic;

    13 using System.ComponentModel;

    14 using System.Drawing;

    15 using System.Drawing.Drawing2D;

    16 using System.Windows.Forms;

    17 using OpenHardwareMonitor.Hardware;

    19 namespace OpenHardwareMonitor.GUI {

    20   public class PlotPanel : UserControl {

    22     private PersistentSettings settings;

    24     private DateTime now;

    25     private List<ISensor> clocks = new List<ISensor>();

    26     private List<ISensor> temperatures = new List<ISensor>();

    27     private List<ISensor> fans = new List<ISensor>();

    28     private IDictionary<ISensor, Color> colors;

    30     private StringFormat centerlower;

    31     private StringFormat centerleft;

    32     private StringFormat lowerleft;

    33     private Brush lightBrush;

    34     private Pen lightPen;

    36     private UserRadioGroup timeWindowRadioGroup;

    38     public PlotPanel(PersistentSettings settings) {

    39       this.settings = settings;

    41       this.SetStyle(ControlStyles.DoubleBuffer |

    42         ControlStyles.UserPaint |

    43         ControlStyles.AllPaintingInWmPaint |

    44         ControlStyles.ResizeRedraw, true);

    45       this.UpdateStyles();

    47       CreateContextMenu();

    49       centerlower = new StringFormat();

    50       centerlower.Alignment = StringAlignment.Center;

    51       centerlower.LineAlignment = StringAlignment.Near;

    53       centerleft = new StringFormat();

    54       centerleft.Alignment = StringAlignment.Far;

    55       centerleft.LineAlignment = StringAlignment.Center;

    57       lowerleft = new StringFormat();

    58       lowerleft.Alignment = StringAlignment.Far;

    59       lowerleft.LineAlignment = StringAlignment.Near;

    61       lightBrush = new SolidBrush(Color.FromArgb(245, 245, 245));

    62       lightPen = new Pen(Color.FromArgb(200, 200, 200));

    63     }

    65     private void CreateContextMenu() {

    66       MenuItem timeWindow = new MenuItem("Time Scale");

    68       MenuItem[] timeWindowMenuItems =

    69         { new MenuItem("Auto"),

    70           new MenuItem("5 min"),

    71           new MenuItem("10 min"),

    72           new MenuItem("20 min"),

    73           new MenuItem("30 min"),

    74           new MenuItem("45 min"),

    75           new MenuItem("1 h"),

    76           new MenuItem("1.5 h"),

    77           new MenuItem("2 h"),

    78           new MenuItem("3 h"),

    79           new MenuItem("6 h"),

    80           new MenuItem("12 h"),

    81           new MenuItem("24 h") };

    83       foreach (MenuItem mi in timeWindowMenuItems)

    84         timeWindow.MenuItems.Add(mi);

    86       timeWindowRadioGroup = new UserRadioGroup("timeWindow", 0,

    87         timeWindowMenuItems, settings);

    89       this.ContextMenu = new ContextMenu();

    90       this.ContextMenu.MenuItems.Add(timeWindow);

    91     }

    93     private List<float> GetTemperatureGrid() {

    95       float? minTempNullable = null;

    96       float? maxTempNullable = null;

    97       foreach (ISensor sensor in temperatures) {

    98         IEnumerable<SensorValue> values = sensor.Values;

    99         foreach (SensorValue value in values) {

   100           if (!float.IsNaN(value.Value)) {

   101             if (!minTempNullable.HasValue || minTempNullable > value.Value)

   102               minTempNullable = value.Value;

   103             if (!maxTempNullable.HasValue || maxTempNullable < value.Value)

   104               maxTempNullable = value.Value;

   105           }

   106         }

   107       }

   108       if (!minTempNullable.HasValue) {

   109         minTempNullable = 20;

   110         maxTempNullable = 30;

   111       }

   113       float maxTemp = (float)Math.Ceiling(maxTempNullable.Value / 10) * 10;

   114       float minTemp = (float)Math.Floor(minTempNullable.Value / 10) * 10;

   115       if (maxTemp == minTemp)

   116         maxTemp += 10;

   118       int countTempMax = 4;

   119       float deltaTemp = maxTemp - minTemp;

   120       int countTemp = (int)Math.Round(deltaTemp / 2);

   121       if (countTemp > countTempMax)

   122         countTemp = (int)Math.Round(deltaTemp / 5);

   123       if (countTemp > countTempMax)

   124         countTemp = (int)Math.Round(deltaTemp / 10);

   125       if (countTemp > countTempMax)

   126         countTemp = (int)Math.Round(deltaTemp / 20);

   128       List<float> grid = new List<float>(countTemp + 1);

   129       for (int i = 0; i <= countTemp; i++) {

   130         grid.Add(minTemp + i * deltaTemp / countTemp);

   131       }

   132       return grid;

   133     }

   135     private List<float> GetTimeGrid() {

   137       float maxTime;

   138       if (timeWindowRadioGroup.Value == 0) { // Auto

   139         maxTime = 5;

   140         if (temperatures.Count > 0) {

   141           IEnumerator<SensorValue> enumerator =

   142             temperatures[0].Values.GetEnumerator();

   143           if (enumerator.MoveNext()) {

   144             maxTime = (float)(now - enumerator.Current.Time).TotalMinutes;

   145           }

   146         }

   147       } else {

   148         float[] maxTimes =

   149           { 5, 10, 20, 30, 45, 60, 90, 120, 180, 360, 720, 1440 };

   151         maxTime = maxTimes[timeWindowRadioGroup.Value - 1];

   152       }

   154       int countTime = 10;

   155       float deltaTime = 5;

   156       while (deltaTime + 1 <= maxTime && deltaTime < 10)

   157         deltaTime += 1;

   158       while (deltaTime + 2 <= maxTime && deltaTime < 30)

   159         deltaTime += 2;

   160       while (deltaTime + 5 <= maxTime && deltaTime < 100)

   161         deltaTime += 5;

   162       while (deltaTime + 50 <= maxTime && deltaTime < 1000)

   163         deltaTime += 50;

   164       while (deltaTime + 100 <= maxTime && deltaTime < 10000)

   165         deltaTime += 100;

   167       List<float> grid = new List<float>(countTime + 1);

   168       for (int i = 0; i <= countTime; i++) {

   169         grid.Add(i * deltaTime / countTime);

   170       }

   171       return grid;

   172     }

   174     protected override void OnPaint(PaintEventArgs e) {

   175       now = DateTime.UtcNow - new TimeSpan(0, 0, 4);

   177       List<float> timeGrid = GetTimeGrid();

   178       List<float> tempGrid = GetTemperatureGrid();

   180       Graphics g = e.Graphics;

   182       RectangleF r =

   183         new RectangleF(0, 0, Bounds.Width, Bounds.Height);

   185       float ml = 40;

   186       float mr = 15;

   187       float x0 = r.X + ml;

   188       float w = r.Width - ml - mr;

   190       float mt = 15;

   191       float mb = 28;

   192       float y0 = r.Y + mt;

   193       float h = r.Height - mt - mb;

   195       float leftScaleSpace = 5;

   196       float bottomScaleSpace = 5;

   198       g.Clear(Color.White);

   200       if (w > 0 && h > 0) {

   201         g.FillRectangle(lightBrush, x0, y0, w, h);

   203         g.SmoothingMode = SmoothingMode.HighQuality;

   204         for (int i = 0; i < timeGrid.Count; i++) {

   205           float x = x0 + i * w / (timeGrid.Count - 1);

   206           g.DrawLine(lightPen, x, y0, x, y0 + h);

   207         }

   209         for (int i = 0; i < tempGrid.Count; i++) {

   210           float y = y0 + i * h / (tempGrid.Count - 1);

   211           g.DrawLine(lightPen, x0, y, x0 + w, y);

   212         }

   214         float deltaTemp = tempGrid[tempGrid.Count - 1] - tempGrid[0];

   215         float deltaTime = timeGrid[timeGrid.Count - 1];

   216         foreach (ISensor sensor in temperatures) {

   217           using (Pen pen = new Pen(colors[sensor])) {

   218             IEnumerable<SensorValue> values = sensor.Values;

   219             PointF last = new PointF();

   220             bool first = true;

   221             foreach (SensorValue v in values) {

   222               if (!float.IsNaN(v.Value)) {

   223                 PointF point = new PointF(

   224                     x0 + w - w * (float)(now - v.Time).TotalMinutes / deltaTime,

   225                     y0 + h - h * (v.Value - tempGrid[0]) / deltaTemp);

   226                 if (!first)

   227                   g.DrawLine(pen, last, point);

   228                 last = point;

   229                 first = false;

   230               } else {

   231                 first = true;

   232               }

   233             }

   234           }

   235         }

   237         g.SmoothingMode = SmoothingMode.None;

   238         g.FillRectangle(Brushes.White, 0, 0, x0, r.Height);

   239         g.FillRectangle(Brushes.White, x0 + w + 1, 0, r.Width - x0 - w,

   240           r.Height);

   242         for (int i = 1; i < timeGrid.Count; i++) {

   243           float x = x0 + (timeGrid.Count - 1 - i) * w / (timeGrid.Count - 1);

   244           g.DrawString(timeGrid[i].ToString(), Font, Brushes.Black, x,

   245             y0 + h + bottomScaleSpace, centerlower);

   246         }

   248         for (int i = 0; i < tempGrid.Count - 1; i++) {

   249           float y = y0 + (tempGrid.Count - 1 - i) * h / (tempGrid.Count - 1);

   250           g.DrawString(tempGrid[i].ToString(), Font, Brushes.Black,

   251             x0 - leftScaleSpace, y, centerleft);

   252         }

   254         g.SmoothingMode = SmoothingMode.HighQuality;

   255         g.DrawString("[°C]", Font, Brushes.Black, x0 - leftScaleSpace, y0,

   256           lowerleft);

   257         g.DrawString("[min]", Font, Brushes.Black, x0 + w,

   258           y0 + h + bottomScaleSpace, lowerleft);

   259       }

   260     }

   262     public void SetSensors(List<ISensor> sensors,

   263       IDictionary<ISensor, Color> colors) {

   264       this.colors = colors;

   265       List<ISensor> clocks = new List<ISensor>();

   266       List<ISensor> temperatures = new List<ISensor>();

   267       List<ISensor> fans = new List<ISensor>();

   268       foreach (ISensor sensor in sensors)

   269         switch (sensor.SensorType) {

   270           case SensorType.Clock: clocks.Add(sensor); break;

   271           case SensorType.Temperature: temperatures.Add(sensor); break;

   272           case SensorType.Fan: fans.Add(sensor); break;

   273         }

   274       this.clocks = clocks;

   275       this.temperatures = temperatures;

   276       this.fans = fans;

   277       Invalidate();

   278     }

   280   }

   281 }

author	moel.mich
	Wed, 25 Jul 2012 18:10:10 +0000
changeset 375	01d283b11596
parent 326	a41745e3828d
permissions	-rw-r--r--