sl@391: /*
sl@391:  
sl@391:   This Source Code Form is subject to the terms of the Mozilla Public
sl@391:   License, v. 2.0. If a copy of the MPL was not distributed with this
sl@391:   file, You can obtain one at http://mozilla.org/MPL/2.0/.
sl@391:  
sl@391:   Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
sl@391: 	
sl@391: */
sl@391: 
sl@391: using System;
sl@391: using System.Drawing;
sl@391: using System.Drawing.Drawing2D;
sl@391: using System.Drawing.Imaging;
sl@391: using System.Drawing.Text;
sl@391: using System.Runtime.InteropServices;
sl@391: using System.Windows.Forms;
sl@391: using OpenHardwareMonitor.Hardware;
sl@391: using OpenHardwareMonitor.Utilities;
sl@391: 
sl@391: namespace OpenHardwareMonitor.GUI
sl@391: {
sl@391:     public class SensorFrontView : IDisposable
sl@391:     {
sl@391: 
sl@391:         private UnitManager unitManager;
sl@391: 
sl@391:         private ISensor sensor;
sl@391:         private Bitmap bitmap;
sl@391:         private Graphics graphics;
sl@391:         private Color color;
sl@391:         private Color darkColor;
sl@391:         private Brush brush;
sl@391:         private Brush darkBrush;
sl@391:         private Pen pen;
sl@391:         private Font font;
sl@391:         private Font smallFont;
sl@391: 
sl@391:         public SensorFrontView(SoundGraphDisplay soundGraphDisplay, ISensor sensor,
sl@391:           bool balloonTip, PersistentSettings settings, UnitManager unitManager)
sl@391:         {
sl@391:             this.unitManager = unitManager;
sl@391:             this.sensor = sensor;
sl@391:        
sl@391:             // get the default dpi to create an icon with the correct size
sl@391:             float dpiX, dpiY;
sl@391:             using (Bitmap b = new Bitmap(1, 1, PixelFormat.Format32bppArgb))
sl@391:             {
sl@391:                 dpiX = b.HorizontalResolution;
sl@391:                 dpiY = b.VerticalResolution;
sl@391:             }
sl@391: 
sl@391:             // adjust the size of the icon to current dpi (default is 16x16 at 96 dpi) 
sl@391:             int width = (int)Math.Round(16 * dpiX / 96);
sl@391:             int height = (int)Math.Round(16 * dpiY / 96);
sl@391: 
sl@391:             // make sure it does never get smaller than 16x16
sl@391:             width = width < 16 ? 16 : width;
sl@391:             height = height < 16 ? 16 : height;
sl@391: 
sl@391:             // adjust the font size to the icon size
sl@391:             FontFamily family = SystemFonts.MessageBoxFont.FontFamily;
sl@391:             float baseSize;
sl@391:             switch (family.Name)
sl@391:             {
sl@391:                 case "Segoe UI": baseSize = 12; break;
sl@391:                 case "Tahoma": baseSize = 11; break;
sl@391:                 default: baseSize = 12; break;
sl@391:             }
sl@391: 
sl@391:             this.font = new Font(family,
sl@391:               baseSize * width / 16.0f, GraphicsUnit.Pixel);
sl@391:             this.smallFont = new Font(family,
sl@391:               0.75f * baseSize * width / 16.0f, GraphicsUnit.Pixel);
sl@391: 
sl@391:             this.bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
sl@391:             this.graphics = Graphics.FromImage(this.bitmap);
sl@391: 
sl@391:             if (Environment.OSVersion.Version.Major > 5)
sl@391:             {
sl@391:                 this.graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
sl@391:                 this.graphics.SmoothingMode = SmoothingMode.HighQuality;
sl@391:             }
sl@391:         }
sl@391: 
sl@391:         public ISensor Sensor
sl@391:         {
sl@391:             get { return sensor; }
sl@391:         }
sl@391: 
sl@391:         public Color Color
sl@391:         {
sl@391:             get { return color; }
sl@391:             set
sl@391:             {
sl@391:                 this.color = value;
sl@391:                 this.darkColor = Color.FromArgb(255,
sl@391:                   this.color.R / 3,
sl@391:                   this.color.G / 3,
sl@391:                   this.color.B / 3);
sl@391:                 Brush brush = this.brush;
sl@391:                 this.brush = new SolidBrush(this.color);
sl@391:                 if (brush != null)
sl@391:                     brush.Dispose();
sl@391:                 Brush darkBrush = this.darkBrush;
sl@391:                 this.darkBrush = new SolidBrush(this.darkColor);
sl@391:                 if (darkBrush != null)
sl@391:                     darkBrush.Dispose();
sl@391:             }
sl@391:         }
sl@391: 
sl@391:         public void Dispose()
sl@391:         {
sl@391: 
sl@391:             if (brush != null)
sl@391:                 brush.Dispose();
sl@391:             if (darkBrush != null)
sl@391:                 darkBrush.Dispose();
sl@391:             pen.Dispose();
sl@391:             graphics.Dispose();
sl@391:             bitmap.Dispose();
sl@391:             font.Dispose();
sl@391:             smallFont.Dispose();
sl@391:         }
sl@391: 
sl@391:         private string GetString()
sl@391:         {
sl@391:             if (!sensor.Value.HasValue)
sl@391:                 return "-";
sl@391: 
sl@391:             switch (sensor.SensorType)
sl@391:             {
sl@391:                 case SensorType.Voltage:
sl@391:                     return string.Format("{0:F1}", sensor.Value);
sl@391:                 case SensorType.Clock:
sl@391:                     return string.Format("{0:F1}", 1e-3f * sensor.Value);
sl@391:                 case SensorType.Load:
sl@391:                     return string.Format("{0:F0}", sensor.Value);
sl@391:                 case SensorType.Temperature:
sl@391:                     if (unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit)
sl@391:                         return string.Format("{0:F0}",
sl@391:                           UnitManager.CelsiusToFahrenheit(sensor.Value));
sl@391:                     else
sl@391:                         return string.Format("{0:F0}", sensor.Value);
sl@391:                 case SensorType.Fan:
sl@391:                     return string.Format("{0:F1}", 1e-3f * sensor.Value);
sl@391:                 case SensorType.Flow:
sl@391:                     return string.Format("{0:F1}", 1e-3f * sensor.Value);
sl@391:                 case SensorType.Control:
sl@391:                     return string.Format("{0:F0}", sensor.Value);
sl@391:                 case SensorType.Level:
sl@391:                     return string.Format("{0:F0}", sensor.Value);
sl@391:                 case SensorType.Power:
sl@391:                     return string.Format("{0:F0}", sensor.Value);
sl@391:                 case SensorType.Data:
sl@391:                     return string.Format("{0:F0}", sensor.Value);
sl@391:                 case SensorType.Factor:
sl@391:                     return string.Format("{0:F1}", sensor.Value);
sl@391:             }
sl@391:             return "-";
sl@391:         }
sl@391: 
sl@391:         private Icon CreateTransparentIcon()
sl@391:         {
sl@391:             string text = GetString();
sl@391:             int count = 0;
sl@391:             for (int i = 0; i < text.Length; i++)
sl@391:                 if ((text[i] >= '0' && text[i] <= '9') || text[i] == '-')
sl@391:                     count++;
sl@391:             bool small = count > 2;
sl@391: 
sl@391:             graphics.Clear(Color.Black);
sl@391:             TextRenderer.DrawText(graphics, text, small ? smallFont : font,
sl@391:               new Point(-2, small ? 1 : 0), Color.White, Color.Black);
sl@391: 
sl@391:             BitmapData data = bitmap.LockBits(
sl@391:               new Rectangle(0, 0, bitmap.Width, bitmap.Height),
sl@391:               ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
sl@391: 
sl@391:             IntPtr Scan0 = data.Scan0;
sl@391: 
sl@391:             int numBytes = bitmap.Width * bitmap.Height * 4;
sl@391:             byte[] bytes = new byte[numBytes];
sl@391:             Marshal.Copy(Scan0, bytes, 0, numBytes);
sl@391:             bitmap.UnlockBits(data);
sl@391: 
sl@391:             byte red, green, blue;
sl@391:             for (int i = 0; i < bytes.Length; i += 4)
sl@391:             {
sl@391:                 blue = bytes[i];
sl@391:                 green = bytes[i + 1];
sl@391:                 red = bytes[i + 2];
sl@391: 
sl@391:                 bytes[i] = color.B;
sl@391:                 bytes[i + 1] = color.G;
sl@391:                 bytes[i + 2] = color.R;
sl@391:                 bytes[i + 3] = (byte)(0.3 * red + 0.59 * green + 0.11 * blue);
sl@391:             }
sl@391: 
sl@391:             return IconFactory.Create(bytes, bitmap.Width, bitmap.Height,
sl@391:               PixelFormat.Format32bppArgb);
sl@391:         }
sl@391: 
sl@391:         private Icon CreatePercentageIcon()
sl@391:         {
sl@391:             try
sl@391:             {
sl@391:                 graphics.Clear(Color.Transparent);
sl@391:             }
sl@391:             catch (ArgumentException)
sl@391:             {
sl@391:                 graphics.Clear(Color.Black);
sl@391:             }
sl@391:             graphics.FillRectangle(darkBrush, 0.5f, -0.5f, bitmap.Width - 2, bitmap.Height);
sl@391:             float value = sensor.Value.GetValueOrDefault();
sl@391:             float y = 0.16f * (100 - value);
sl@391:             graphics.FillRectangle(brush, 0.5f, -0.5f + y, bitmap.Width - 2, bitmap.Height - y);
sl@391:             graphics.DrawRectangle(pen, 1, 0, bitmap.Width - 3, bitmap.Height - 1);
sl@391: 
sl@391:             BitmapData data = bitmap.LockBits(
sl@391:               new Rectangle(0, 0, bitmap.Width, bitmap.Height),
sl@391:               ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
sl@391:             byte[] bytes = new byte[bitmap.Width * bitmap.Height * 4];
sl@391:             Marshal.Copy(data.Scan0, bytes, 0, bytes.Length);
sl@391:             bitmap.UnlockBits(data);
sl@391: 
sl@391:             return IconFactory.Create(bytes, bitmap.Width, bitmap.Height,
sl@391:               PixelFormat.Format32bppArgb);
sl@391:         }
sl@391: 
sl@391:         public void Update()
sl@391:         {
sl@391:  
sl@391: 
sl@391:             switch (sensor.SensorType)
sl@391:             {
sl@391:                 case SensorType.Load:
sl@391:                 case SensorType.Control:
sl@391:                 case SensorType.Level:
sl@391:                     //notifyIcon.Icon = CreatePercentageIcon();
sl@391:                     break;
sl@391:                 default:
sl@391:                     //notifyIcon.Icon = CreateTransparentIcon();
sl@391:                     break;
sl@391:             }
sl@391: 
sl@391: 
sl@391:             string format = "";
sl@391:             switch (sensor.SensorType)
sl@391:             {
sl@391:                 case SensorType.Voltage: format = "\n{0}: {1:F2} V"; break;
sl@391:                 case SensorType.Clock: format = "\n{0}: {1:F0} MHz"; break;
sl@391:                 case SensorType.Load: format = "\n{0}: {1:F1} %"; break;
sl@391:                 case SensorType.Temperature: format = "\n{0}: {1:F1} °C"; break;
sl@391:                 case SensorType.Fan: format = "\n{0}: {1:F0} RPM"; break;
sl@391:                 case SensorType.Flow: format = "\n{0}: {1:F0} L/h"; break;
sl@391:                 case SensorType.Control: format = "\n{0}: {1:F1} %"; break;
sl@391:                 case SensorType.Level: format = "\n{0}: {1:F1} %"; break;
sl@391:                 case SensorType.Power: format = "\n{0}: {1:F0} W"; break;
sl@391:                 case SensorType.Data: format = "\n{0}: {1:F0} GB"; break;
sl@391:                 case SensorType.Factor: format = "\n{0}: {1:F3} GB"; break;
sl@391:             }
sl@391:             string formattedValue = string.Format(format, sensor.Name, sensor.Value);
sl@391: 
sl@391:             if (sensor.SensorType == SensorType.Temperature &&
sl@391:               unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit)
sl@391:             {
sl@391:                 format = "\n{0}: {1:F1} °F";
sl@391:                 formattedValue = string.Format(format, sensor.Name,
sl@391:                   UnitManager.CelsiusToFahrenheit(sensor.Value));
sl@391:             }
sl@391: 
sl@391:             string hardwareName = sensor.Hardware.Name;
sl@391:             hardwareName = hardwareName.Substring(0,
sl@391:               Math.Min(63 - formattedValue.Length, hardwareName.Length));
sl@391:             string text = hardwareName + formattedValue;
sl@391:             if (text.Length > 63)
sl@391:                 text = null;
sl@391: 
sl@391: 
sl@391:         }
sl@391:     }
sl@391: }