StephaneLenclud@433: /*
StephaneLenclud@433:  
StephaneLenclud@433:   This Source Code Form is subject to the terms of the Mozilla Public
StephaneLenclud@433:   License, v. 2.0. If a copy of the MPL was not distributed with this
StephaneLenclud@433:   file, You can obtain one at http://mozilla.org/MPL/2.0/.
StephaneLenclud@433:  
StephaneLenclud@433:   Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
StephaneLenclud@433: 	
StephaneLenclud@433: */
StephaneLenclud@433: 
StephaneLenclud@433: using System;
StephaneLenclud@433: using System.Drawing;
StephaneLenclud@433: using System.Drawing.Drawing2D;
StephaneLenclud@433: using System.Drawing.Imaging;
StephaneLenclud@433: using System.Drawing.Text;
StephaneLenclud@433: using System.Runtime.InteropServices;
StephaneLenclud@433: using System.Windows.Forms;
StephaneLenclud@433: using OpenHardwareMonitor.Hardware;
StephaneLenclud@433: using OpenHardwareMonitor.Utilities;
StephaneLenclud@433: 
StephaneLenclud@433: namespace OpenHardwareMonitor.GUI
StephaneLenclud@433: {
StephaneLenclud@433:     public class SensorFrontView : IDisposable
StephaneLenclud@433:     {
StephaneLenclud@433: 
StephaneLenclud@433:         private UnitManager unitManager;
StephaneLenclud@433: 
StephaneLenclud@433:         private ISensor sensor;
StephaneLenclud@433:         private Bitmap bitmap;
StephaneLenclud@433:         private Graphics graphics;
StephaneLenclud@433:         private Color color;
StephaneLenclud@433:         private Color darkColor;
StephaneLenclud@433:         private Brush brush;
StephaneLenclud@433:         private Brush darkBrush;
StephaneLenclud@433:         private Pen pen;
StephaneLenclud@433:         private Font font;
StephaneLenclud@433:         private Font smallFont;
StephaneLenclud@433: 
StephaneLenclud@433:         public SensorFrontView(SoundGraphDisplay soundGraphDisplay, ISensor sensor,
StephaneLenclud@433:           bool balloonTip, PersistentSettings settings, UnitManager unitManager)
StephaneLenclud@433:         {
StephaneLenclud@433:             this.unitManager = unitManager;
StephaneLenclud@433:             this.sensor = sensor;
StephaneLenclud@433:        
StephaneLenclud@433:             // get the default dpi to create an icon with the correct size
StephaneLenclud@433:             float dpiX, dpiY;
StephaneLenclud@433:             using (Bitmap b = new Bitmap(1, 1, PixelFormat.Format32bppArgb))
StephaneLenclud@433:             {
StephaneLenclud@433:                 dpiX = b.HorizontalResolution;
StephaneLenclud@433:                 dpiY = b.VerticalResolution;
StephaneLenclud@433:             }
StephaneLenclud@433: 
StephaneLenclud@433:             // adjust the size of the icon to current dpi (default is 16x16 at 96 dpi) 
StephaneLenclud@433:             int width = (int)Math.Round(16 * dpiX / 96);
StephaneLenclud@433:             int height = (int)Math.Round(16 * dpiY / 96);
StephaneLenclud@433: 
StephaneLenclud@433:             // make sure it does never get smaller than 16x16
StephaneLenclud@433:             width = width < 16 ? 16 : width;
StephaneLenclud@433:             height = height < 16 ? 16 : height;
StephaneLenclud@433: 
StephaneLenclud@433:             // adjust the font size to the icon size
StephaneLenclud@433:             FontFamily family = SystemFonts.MessageBoxFont.FontFamily;
StephaneLenclud@433:             float baseSize;
StephaneLenclud@433:             switch (family.Name)
StephaneLenclud@433:             {
StephaneLenclud@433:                 case "Segoe UI": baseSize = 12; break;
StephaneLenclud@433:                 case "Tahoma": baseSize = 11; break;
StephaneLenclud@433:                 default: baseSize = 12; break;
StephaneLenclud@433:             }
StephaneLenclud@433: 
StephaneLenclud@433:             this.font = new Font(family,
StephaneLenclud@433:               baseSize * width / 16.0f, GraphicsUnit.Pixel);
StephaneLenclud@433:             this.smallFont = new Font(family,
StephaneLenclud@433:               0.75f * baseSize * width / 16.0f, GraphicsUnit.Pixel);
StephaneLenclud@433: 
StephaneLenclud@433:             this.bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
StephaneLenclud@433:             this.graphics = Graphics.FromImage(this.bitmap);
StephaneLenclud@433: 
StephaneLenclud@433:             if (Environment.OSVersion.Version.Major > 5)
StephaneLenclud@433:             {
StephaneLenclud@433:                 this.graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
StephaneLenclud@433:                 this.graphics.SmoothingMode = SmoothingMode.HighQuality;
StephaneLenclud@433:             }
StephaneLenclud@433:         }
StephaneLenclud@433: 
StephaneLenclud@433:         public ISensor Sensor
StephaneLenclud@433:         {
StephaneLenclud@433:             get { return sensor; }
StephaneLenclud@433:         }
StephaneLenclud@433: 
StephaneLenclud@433:         public Color Color
StephaneLenclud@433:         {
StephaneLenclud@433:             get { return color; }
StephaneLenclud@433:             set
StephaneLenclud@433:             {
StephaneLenclud@433:                 this.color = value;
StephaneLenclud@433:                 this.darkColor = Color.FromArgb(255,
StephaneLenclud@433:                   this.color.R / 3,
StephaneLenclud@433:                   this.color.G / 3,
StephaneLenclud@433:                   this.color.B / 3);
StephaneLenclud@433:                 Brush brush = this.brush;
StephaneLenclud@433:                 this.brush = new SolidBrush(this.color);
StephaneLenclud@433:                 if (brush != null)
StephaneLenclud@433:                     brush.Dispose();
StephaneLenclud@433:                 Brush darkBrush = this.darkBrush;
StephaneLenclud@433:                 this.darkBrush = new SolidBrush(this.darkColor);
StephaneLenclud@433:                 if (darkBrush != null)
StephaneLenclud@433:                     darkBrush.Dispose();
StephaneLenclud@433:             }
StephaneLenclud@433:         }
StephaneLenclud@433: 
StephaneLenclud@433:         public void Dispose()
StephaneLenclud@433:         {
StephaneLenclud@433: 
StephaneLenclud@433:             if (brush != null)
StephaneLenclud@433:                 brush.Dispose();
StephaneLenclud@433:             if (darkBrush != null)
StephaneLenclud@433:                 darkBrush.Dispose();
StephaneLenclud@433:             pen.Dispose();
StephaneLenclud@433:             graphics.Dispose();
StephaneLenclud@433:             bitmap.Dispose();
StephaneLenclud@433:             font.Dispose();
StephaneLenclud@433:             smallFont.Dispose();
StephaneLenclud@433:         }
StephaneLenclud@433: 
StephaneLenclud@433:         private string GetString()
StephaneLenclud@433:         {
StephaneLenclud@433:             if (!sensor.Value.HasValue)
StephaneLenclud@433:                 return "-";
StephaneLenclud@433: 
StephaneLenclud@433:             switch (sensor.SensorType)
StephaneLenclud@433:             {
StephaneLenclud@433:                 case SensorType.Voltage:
StephaneLenclud@433:                     return string.Format("{0:F1}", sensor.Value);
StephaneLenclud@433:                 case SensorType.Clock:
StephaneLenclud@433:                     return string.Format("{0:F1}", 1e-3f * sensor.Value);
StephaneLenclud@433:                 case SensorType.Load:
StephaneLenclud@433:                     return string.Format("{0:F0}", sensor.Value);
StephaneLenclud@433:                 case SensorType.Temperature:
StephaneLenclud@433:                     if (unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit)
StephaneLenclud@433:                         return string.Format("{0:F0}",
StephaneLenclud@433:                           UnitManager.CelsiusToFahrenheit(sensor.Value));
StephaneLenclud@433:                     else
StephaneLenclud@433:                         return string.Format("{0:F0}", sensor.Value);
StephaneLenclud@433:                 case SensorType.Fan:
StephaneLenclud@433:                     return string.Format("{0:F1}", 1e-3f * sensor.Value);
StephaneLenclud@433:                 case SensorType.Flow:
StephaneLenclud@433:                     return string.Format("{0:F1}", 1e-3f * sensor.Value);
StephaneLenclud@433:                 case SensorType.Control:
StephaneLenclud@433:                     return string.Format("{0:F0}", sensor.Value);
StephaneLenclud@433:                 case SensorType.Level:
StephaneLenclud@433:                     return string.Format("{0:F0}", sensor.Value);
StephaneLenclud@433:                 case SensorType.Power:
StephaneLenclud@433:                     return string.Format("{0:F0}", sensor.Value);
StephaneLenclud@433:                 case SensorType.Data:
StephaneLenclud@433:                     return string.Format("{0:F0}", sensor.Value);
StephaneLenclud@433:                 case SensorType.Factor:
StephaneLenclud@433:                     return string.Format("{0:F1}", sensor.Value);
StephaneLenclud@433:             }
StephaneLenclud@433:             return "-";
StephaneLenclud@433:         }
StephaneLenclud@433: 
StephaneLenclud@433:         private Icon CreateTransparentIcon()
StephaneLenclud@433:         {
StephaneLenclud@433:             string text = GetString();
StephaneLenclud@433:             int count = 0;
StephaneLenclud@433:             for (int i = 0; i < text.Length; i++)
StephaneLenclud@433:                 if ((text[i] >= '0' && text[i] <= '9') || text[i] == '-')
StephaneLenclud@433:                     count++;
StephaneLenclud@433:             bool small = count > 2;
StephaneLenclud@433: 
StephaneLenclud@433:             graphics.Clear(Color.Black);
StephaneLenclud@433:             TextRenderer.DrawText(graphics, text, small ? smallFont : font,
StephaneLenclud@433:               new Point(-2, small ? 1 : 0), Color.White, Color.Black);
StephaneLenclud@433: 
StephaneLenclud@433:             BitmapData data = bitmap.LockBits(
StephaneLenclud@433:               new Rectangle(0, 0, bitmap.Width, bitmap.Height),
StephaneLenclud@433:               ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
StephaneLenclud@433: 
StephaneLenclud@433:             IntPtr Scan0 = data.Scan0;
StephaneLenclud@433: 
StephaneLenclud@433:             int numBytes = bitmap.Width * bitmap.Height * 4;
StephaneLenclud@433:             byte[] bytes = new byte[numBytes];
StephaneLenclud@433:             Marshal.Copy(Scan0, bytes, 0, numBytes);
StephaneLenclud@433:             bitmap.UnlockBits(data);
StephaneLenclud@433: 
StephaneLenclud@433:             byte red, green, blue;
StephaneLenclud@433:             for (int i = 0; i < bytes.Length; i += 4)
StephaneLenclud@433:             {
StephaneLenclud@433:                 blue = bytes[i];
StephaneLenclud@433:                 green = bytes[i + 1];
StephaneLenclud@433:                 red = bytes[i + 2];
StephaneLenclud@433: 
StephaneLenclud@433:                 bytes[i] = color.B;
StephaneLenclud@433:                 bytes[i + 1] = color.G;
StephaneLenclud@433:                 bytes[i + 2] = color.R;
StephaneLenclud@433:                 bytes[i + 3] = (byte)(0.3 * red + 0.59 * green + 0.11 * blue);
StephaneLenclud@433:             }
StephaneLenclud@433: 
StephaneLenclud@433:             return IconFactory.Create(bytes, bitmap.Width, bitmap.Height,
StephaneLenclud@433:               PixelFormat.Format32bppArgb);
StephaneLenclud@433:         }
StephaneLenclud@433: 
StephaneLenclud@433:         private Icon CreatePercentageIcon()
StephaneLenclud@433:         {
StephaneLenclud@433:             try
StephaneLenclud@433:             {
StephaneLenclud@433:                 graphics.Clear(Color.Transparent);
StephaneLenclud@433:             }
StephaneLenclud@433:             catch (ArgumentException)
StephaneLenclud@433:             {
StephaneLenclud@433:                 graphics.Clear(Color.Black);
StephaneLenclud@433:             }
StephaneLenclud@433:             graphics.FillRectangle(darkBrush, 0.5f, -0.5f, bitmap.Width - 2, bitmap.Height);
StephaneLenclud@433:             float value = sensor.Value.GetValueOrDefault();
StephaneLenclud@433:             float y = 0.16f * (100 - value);
StephaneLenclud@433:             graphics.FillRectangle(brush, 0.5f, -0.5f + y, bitmap.Width - 2, bitmap.Height - y);
StephaneLenclud@433:             graphics.DrawRectangle(pen, 1, 0, bitmap.Width - 3, bitmap.Height - 1);
StephaneLenclud@433: 
StephaneLenclud@433:             BitmapData data = bitmap.LockBits(
StephaneLenclud@433:               new Rectangle(0, 0, bitmap.Width, bitmap.Height),
StephaneLenclud@433:               ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
StephaneLenclud@433:             byte[] bytes = new byte[bitmap.Width * bitmap.Height * 4];
StephaneLenclud@433:             Marshal.Copy(data.Scan0, bytes, 0, bytes.Length);
StephaneLenclud@433:             bitmap.UnlockBits(data);
StephaneLenclud@433: 
StephaneLenclud@433:             return IconFactory.Create(bytes, bitmap.Width, bitmap.Height,
StephaneLenclud@433:               PixelFormat.Format32bppArgb);
StephaneLenclud@433:         }
StephaneLenclud@433: 
StephaneLenclud@433:         public void Update()
StephaneLenclud@433:         {
StephaneLenclud@433:  
StephaneLenclud@433: 
StephaneLenclud@433:             switch (sensor.SensorType)
StephaneLenclud@433:             {
StephaneLenclud@433:                 case SensorType.Load:
StephaneLenclud@433:                 case SensorType.Control:
StephaneLenclud@433:                 case SensorType.Level:
StephaneLenclud@433:                     //notifyIcon.Icon = CreatePercentageIcon();
StephaneLenclud@433:                     break;
StephaneLenclud@433:                 default:
StephaneLenclud@433:                     //notifyIcon.Icon = CreateTransparentIcon();
StephaneLenclud@433:                     break;
StephaneLenclud@433:             }
StephaneLenclud@433: 
StephaneLenclud@433: 
StephaneLenclud@433:             string format = "";
StephaneLenclud@433:             switch (sensor.SensorType)
StephaneLenclud@433:             {
StephaneLenclud@433:                 case SensorType.Voltage: format = "\n{0}: {1:F2} V"; break;
StephaneLenclud@433:                 case SensorType.Clock: format = "\n{0}: {1:F0} MHz"; break;
StephaneLenclud@433:                 case SensorType.Load: format = "\n{0}: {1:F1} %"; break;
StephaneLenclud@433:                 case SensorType.Temperature: format = "\n{0}: {1:F1} °C"; break;
StephaneLenclud@433:                 case SensorType.Fan: format = "\n{0}: {1:F0} RPM"; break;
StephaneLenclud@433:                 case SensorType.Flow: format = "\n{0}: {1:F0} L/h"; break;
StephaneLenclud@433:                 case SensorType.Control: format = "\n{0}: {1:F1} %"; break;
StephaneLenclud@433:                 case SensorType.Level: format = "\n{0}: {1:F1} %"; break;
StephaneLenclud@433:                 case SensorType.Power: format = "\n{0}: {1:F0} W"; break;
StephaneLenclud@433:                 case SensorType.Data: format = "\n{0}: {1:F0} GB"; break;
StephaneLenclud@433:                 case SensorType.Factor: format = "\n{0}: {1:F3} GB"; break;
StephaneLenclud@433:             }
StephaneLenclud@433:             string formattedValue = string.Format(format, sensor.Name, sensor.Value);
StephaneLenclud@433: 
StephaneLenclud@433:             if (sensor.SensorType == SensorType.Temperature &&
StephaneLenclud@433:               unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit)
StephaneLenclud@433:             {
StephaneLenclud@433:                 format = "\n{0}: {1:F1} °F";
StephaneLenclud@433:                 formattedValue = string.Format(format, sensor.Name,
StephaneLenclud@433:                   UnitManager.CelsiusToFahrenheit(sensor.Value));
StephaneLenclud@433:             }
StephaneLenclud@433: 
StephaneLenclud@433:             string hardwareName = sensor.Hardware.Name;
StephaneLenclud@433:             hardwareName = hardwareName.Substring(0,
StephaneLenclud@433:               Math.Min(63 - formattedValue.Length, hardwareName.Length));
StephaneLenclud@433:             string text = hardwareName + formattedValue;
StephaneLenclud@433:             if (text.Length > 63)
StephaneLenclud@433:                 text = null;
StephaneLenclud@433: 
StephaneLenclud@433: 
StephaneLenclud@433:         }
StephaneLenclud@433:     }
StephaneLenclud@433: }