OpenHardwareMonitor: GUI/SensorFrontView.cs@090259cfd699

     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) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>

     9 */

    11 using System;

    12 using System.Drawing;

    13 using System.Drawing.Drawing2D;

    14 using System.Drawing.Imaging;

    15 using System.Drawing.Text;

    16 using System.Runtime.InteropServices;

    17 using System.Windows.Forms;

    18 using OpenHardwareMonitor.Hardware;

    19 using OpenHardwareMonitor.Utilities;

    21 namespace OpenHardwareMonitor.GUI

    22 {

    23     public class SensorFrontView : IDisposable

    24     {

    26         private UnitManager unitManager;

    28         private ISensor sensor;

    29         private Bitmap bitmap;

    30         private Graphics graphics;

    31         private Color color;

    32         private Color darkColor;

    33         private Brush brush;

    34         private Brush darkBrush;

    35         private Pen pen;

    36         private Font font;

    37         private Font smallFont;

    39         public SensorFrontView(SoundGraphDisplay soundGraphDisplay, ISensor sensor,

    40           bool balloonTip, PersistentSettings settings, UnitManager unitManager)

    41         {

    42             this.unitManager = unitManager;

    43             this.sensor = sensor;

    45             // get the default dpi to create an icon with the correct size

    46             float dpiX, dpiY;

    47             using (Bitmap b = new Bitmap(1, 1, PixelFormat.Format32bppArgb))

    48             {

    49                 dpiX = b.HorizontalResolution;

    50                 dpiY = b.VerticalResolution;

    51             }

    53             // adjust the size of the icon to current dpi (default is 16x16 at 96 dpi)

    54             int width = (int)Math.Round(16 * dpiX / 96);

    55             int height = (int)Math.Round(16 * dpiY / 96);

    57             // make sure it does never get smaller than 16x16

    58             width = width < 16 ? 16 : width;

    59             height = height < 16 ? 16 : height;

    61             // adjust the font size to the icon size

    62             FontFamily family = SystemFonts.MessageBoxFont.FontFamily;

    63             float baseSize;

    64             switch (family.Name)

    65             {

    66                 case "Segoe UI": baseSize = 12; break;

    67                 case "Tahoma": baseSize = 11; break;

    68                 default: baseSize = 12; break;

    69             }

    71             this.font = new Font(family,

    72               baseSize * width / 16.0f, GraphicsUnit.Pixel);

    73             this.smallFont = new Font(family,

    74               0.75f * baseSize * width / 16.0f, GraphicsUnit.Pixel);

    76             this.bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);

    77             this.graphics = Graphics.FromImage(this.bitmap);

    79             if (Environment.OSVersion.Version.Major > 5)

    80             {

    81                 this.graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;

    82                 this.graphics.SmoothingMode = SmoothingMode.HighQuality;

    83             }

    84         }

    86         public ISensor Sensor

    87         {

    88             get { return sensor; }

    89         }

    91         public Color Color

    92         {

    93             get { return color; }

    94             set

    95             {

    96                 this.color = value;

    97                 this.darkColor = Color.FromArgb(255,

    98                   this.color.R / 3,

    99                   this.color.G / 3,

   100                   this.color.B / 3);

   101                 Brush brush = this.brush;

   102                 this.brush = new SolidBrush(this.color);

   103                 if (brush != null)

   104                     brush.Dispose();

   105                 Brush darkBrush = this.darkBrush;

   106                 this.darkBrush = new SolidBrush(this.darkColor);

   107                 if (darkBrush != null)

   108                     darkBrush.Dispose();

   109             }

   110         }

   112         public void Dispose()

   113         {

   115             if (brush != null)

   116                 brush.Dispose();

   117             if (darkBrush != null)

   118                 darkBrush.Dispose();

   119             pen.Dispose();

   120             graphics.Dispose();

   121             bitmap.Dispose();

   122             font.Dispose();

   123             smallFont.Dispose();

   124         }

   126         private string GetString()

   127         {

   128             if (!sensor.Value.HasValue)

   129                 return "-";

   131             switch (sensor.SensorType)

   132             {

   133                 case SensorType.Voltage:

   134                     return string.Format("{0:F1}", sensor.Value);

   135                 case SensorType.Clock:

   136                     return string.Format("{0:F1}", 1e-3f * sensor.Value);

   137                 case SensorType.Load:

   138                     return string.Format("{0:F0}", sensor.Value);

   139                 case SensorType.Temperature:

   140                     if (unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit)

   141                         return string.Format("{0:F0}",

   142                           UnitManager.CelsiusToFahrenheit(sensor.Value));

   143                     else

   144                         return string.Format("{0:F0}", sensor.Value);

   145                 case SensorType.Fan:

   146                     return string.Format("{0:F1}", 1e-3f * sensor.Value);

   147                 case SensorType.Flow:

   148                     return string.Format("{0:F1}", 1e-3f * sensor.Value);

   149                 case SensorType.Control:

   150                     return string.Format("{0:F0}", sensor.Value);

   151                 case SensorType.Level:

   152                     return string.Format("{0:F0}", sensor.Value);

   153                 case SensorType.Power:

   154                     return string.Format("{0:F0}", sensor.Value);

   155                 case SensorType.Data:

   156                     return string.Format("{0:F0}", sensor.Value);

   157                 case SensorType.Factor:

   158                     return string.Format("{0:F1}", sensor.Value);

   159             }

   160             return "-";

   161         }

   163         private Icon CreateTransparentIcon()

   164         {

   165             string text = GetString();

   166             int count = 0;

   167             for (int i = 0; i < text.Length; i++)

   168                 if ((text[i] >= '0' && text[i] <= '9') || text[i] == '-')

   169                     count++;

   170             bool small = count > 2;

   172             graphics.Clear(Color.Black);

   173             TextRenderer.DrawText(graphics, text, small ? smallFont : font,

   174               new Point(-2, small ? 1 : 0), Color.White, Color.Black);

   176             BitmapData data = bitmap.LockBits(

   177               new Rectangle(0, 0, bitmap.Width, bitmap.Height),

   178               ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);

   180             IntPtr Scan0 = data.Scan0;

   182             int numBytes = bitmap.Width * bitmap.Height * 4;

   183             byte[] bytes = new byte[numBytes];

   184             Marshal.Copy(Scan0, bytes, 0, numBytes);

   185             bitmap.UnlockBits(data);

   187             byte red, green, blue;

   188             for (int i = 0; i < bytes.Length; i += 4)

   189             {

   190                 blue = bytes[i];

   191                 green = bytes[i + 1];

   192                 red = bytes[i + 2];

   194                 bytes[i] = color.B;

   195                 bytes[i + 1] = color.G;

   196                 bytes[i + 2] = color.R;

   197                 bytes[i + 3] = (byte)(0.3 * red + 0.59 * green + 0.11 * blue);

   198             }

   200             return IconFactory.Create(bytes, bitmap.Width, bitmap.Height,

   201               PixelFormat.Format32bppArgb);

   202         }

   204         private Icon CreatePercentageIcon()

   205         {

   206             try

   207             {

   208                 graphics.Clear(Color.Transparent);

   209             }

   210             catch (ArgumentException)

   211             {

   212                 graphics.Clear(Color.Black);

   213             }

   214             graphics.FillRectangle(darkBrush, 0.5f, -0.5f, bitmap.Width - 2, bitmap.Height);

   215             float value = sensor.Value.GetValueOrDefault();

   216             float y = 0.16f * (100 - value);

   217             graphics.FillRectangle(brush, 0.5f, -0.5f + y, bitmap.Width - 2, bitmap.Height - y);

   218             graphics.DrawRectangle(pen, 1, 0, bitmap.Width - 3, bitmap.Height - 1);

   220             BitmapData data = bitmap.LockBits(

   221               new Rectangle(0, 0, bitmap.Width, bitmap.Height),

   222               ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);

   223             byte[] bytes = new byte[bitmap.Width * bitmap.Height * 4];

   224             Marshal.Copy(data.Scan0, bytes, 0, bytes.Length);

   225             bitmap.UnlockBits(data);

   227             return IconFactory.Create(bytes, bitmap.Width, bitmap.Height,

   228               PixelFormat.Format32bppArgb);

   229         }

   231         public void Update()

   232         {

   235             switch (sensor.SensorType)

   236             {

   237                 case SensorType.Load:

   238                 case SensorType.Control:

   239                 case SensorType.Level:

   240                     //notifyIcon.Icon = CreatePercentageIcon();

   241                     break;

   242                 default:

   243                     //notifyIcon.Icon = CreateTransparentIcon();

   244                     break;

   245             }

   248             string format = "";

   249             switch (sensor.SensorType)

   250             {

   251                 case SensorType.Voltage: format = "\n{0}: {1:F2} V"; break;

   252                 case SensorType.Clock: format = "\n{0}: {1:F0} MHz"; break;

   253                 case SensorType.Load: format = "\n{0}: {1:F1} %"; break;

   254                 case SensorType.Temperature: format = "\n{0}: {1:F1} °C"; break;

   255                 case SensorType.Fan: format = "\n{0}: {1:F0} RPM"; break;

   256                 case SensorType.Flow: format = "\n{0}: {1:F0} L/h"; break;

   257                 case SensorType.Control: format = "\n{0}: {1:F1} %"; break;

   258                 case SensorType.Level: format = "\n{0}: {1:F1} %"; break;

   259                 case SensorType.Power: format = "\n{0}: {1:F0} W"; break;

   260                 case SensorType.Data: format = "\n{0}: {1:F0} GB"; break;

   261                 case SensorType.Factor: format = "\n{0}: {1:F3} GB"; break;

   262             }

   263             string formattedValue = string.Format(format, sensor.Name, sensor.Value);

   265             if (sensor.SensorType == SensorType.Temperature &&

   266               unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit)

   267             {

   268                 format = "\n{0}: {1:F1} °F";

   269                 formattedValue = string.Format(format, sensor.Name,

   270                   UnitManager.CelsiusToFahrenheit(sensor.Value));

   271             }

   273             string hardwareName = sensor.Hardware.Name;

   274             hardwareName = hardwareName.Substring(0,

   275               Math.Min(63 - formattedValue.Length, hardwareName.Length));

   276             string text = hardwareName + formattedValue;

   277             if (text.Length > 63)

   278                 text = null;

   281         }

   282     }

   283 }

author	StephaneLenclud
	Sun, 03 Feb 2013 18:01:50 +0100
branch	MiniDisplay
changeset 433	090259cfd699
child 438	f590956d3234
permissions	-rw-r--r--