基本飞行数据仪表

使用C# GDI+开发的基本飞行数据仪表，包括高度、速度和飞行姿态。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace AttitudeInstrument
{
    public partial class AirSpeedIndicator : UserControl
    {
        public AirSpeedIndicator（）
        {
            InitializeComponent（）;
        }

        protected override void OnPaintBackground（PaintEventArgs e）
        {
            //base.OnPaintBackground（e）;
        }

        protected override void OnPaint（PaintEventArgs e）
        {
            if （e.ClipRectangle.Width == 0 || e.ClipRectangle.Height == 0）
                return;

            using （Bitmap bmp = new Bitmap（（int）e.Graphics.VisibleClipBounds.Width （int）e.Graphics.VisibleClipBounds.Height））
            {
                Graphics g = Graphics.FromImage（bmp）;
                Pen whitePen = new Pen（Brushes.White 2.0f）;

                g.Clear（Color.FromArgb（57 49 66））;



                // 姿态仪的中心位置，即天地分割线的中点。
                // 绘制俯仰角标尺时，每2.5°为15像素，因此俯仰角每变动1°，标尺应移动6像素，
                // 故中心线也移动6像素
                Point center = new Point（（int）bmp.Width / 2 （int）（bmp.Height / 2 + _dblAirSpeed * 3））;

                // 可视的中心位置，即 LCD 的中心，该点在移动刻度时会用到
                Point visibleCenter = new Point（（int）bmp.Width / 2 （int）（bmp.Height / 2））;

                Font indicatorFont = new Font（“Time NewRoman“ 9）;
                double stringWidth = 0;
                // 绘制空速表刻度线
                for （int i = 0; i <= 500; i+=10）
                {
                    g.DrawLine（whitePen （float）（bmp.Width - 10.0） （float）（bmp.Height/2 - 3.0 * i + _dblAirSpeed * 3） （float）（bmp.Width） （float）（bmp.Height/2 - 3.0 * i + _dblAirSpeed * 3））;
                    stringWidth = g.MeasureString（i.ToString（） indicatorFont）.Width;
                    if （i % 20 == 0）
                        g.DrawString（i.ToString（） indicatorFont Brushes.White （float）（bmp.Width - 10.0 - stringWidth） （float）（bmp.Height / 2 - 3.0 * i - 8 + _dblAirSpeed * 3））;
                }

                Point[] indicator = new Point[8];
                indicator[0] = new Point（bmp.Width - 45 visibleCenter.Y - 15）;
                indicator[1] = new Point（bmp.Width - 15 visibleCenter.Y - 15）;
                indicator[2] = new Point（bmp.Width - 15 visibleCenter.Y - 5）;
                indicator[3] = new Point（bmp.Width - 10 visibleCenter.Y）;
                indicator[4] = new Point（bmp.Width - 15 visibleCenter.Y + 5）;
                indicator[5] = new Point（bmp.Width - 15 visibleCenter.Y + 15）;
                indicator[6] = new Point（bmp.Width - 45 visibleCenter.Y + 15）;
                indicator[7] = new Point（bmp.Width - 45 visibleCenter.Y - 15）;
                g.FillPolygon（new SolidBrush（Color.FromArgb（16 16 49）） indicator）;
                g.DrawLines（whitePen indicator）;
                indicatorFont = new Fon

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       3694  2012-01-20 14:51  AttitudeInstrument\AttitudeInstrument\AirSpeed\AirSpeed.cs

     文件       1375  2012-01-20 12:01  AttitudeInstrument\AttitudeInstrument\AirSpeed\AirSpeed.Designer.cs

     文件        619  2012-01-20 14:31  AttitudeInstrument\AttitudeInstrument\AirSpeed\AirSpeed.Properties.cs

     文件       5814  2012-01-20 12:00  AttitudeInstrument\AttitudeInstrument\AirSpeed\AirSpeed.resx

     文件        329  2012-01-20 14:31  AttitudeInstrument\AttitudeInstrument\AirSpeed\AirSpeed.Vars.cs

     文件       3300  2012-01-20 15:00  AttitudeInstrument\AttitudeInstrument\Altitude\Altitude.cs

     文件       1367  2012-01-20 14:56  AttitudeInstrument\AttitudeInstrument\Altitude\Altitude.Designer.cs

     文件        620  2012-01-20 14:55  AttitudeInstrument\AttitudeInstrument\Altitude\Altitude.Properties.cs

     文件       5814  2012-01-20 14:24  AttitudeInstrument\AttitudeInstrument\Altitude\Altitude.resx

     文件        321  2012-01-20 14:56  AttitudeInstrument\AttitudeInstrument\Altitude\Altitude.Vars.cs

     文件       5091  2012-01-20 15:06  AttitudeInstrument\AttitudeInstrument\AttitudeInstrument.csproj

     文件        411  2012-01-20 15:27  AttitudeInstrument\AttitudeInstrument\BasicFlightInfo\BasicFlightInfo.cs

     文件       3668  2012-01-20 15:27  AttitudeInstrument\AttitudeInstrument\BasicFlightInfo\BasicFlightInfo.Designer.cs

     文件       1433  2012-01-20 15:07  AttitudeInstrument\AttitudeInstrument\BasicFlightInfo\BasicFlightInfo.Properties.cs

     文件       5814  2012-01-20 15:27  AttitudeInstrument\AttitudeInstrument\BasicFlightInfo\BasicFlightInfo.resx

     文件      12204  2012-01-20 15:16  AttitudeInstrument\AttitudeInstrument\PitchAndBank\PitchAndBank.cs

     文件       1388  2012-01-20 14:28  AttitudeInstrument\AttitudeInstrument\PitchAndBank\PitchAndBank.Designer.cs

     文件        933  2012-01-20 15:12  AttitudeInstrument\AttitudeInstrument\PitchAndBank\PitchAndBank.Properties.cs

     文件       5814  2012-01-19 12:44  AttitudeInstrument\AttitudeInstrument\PitchAndBank\PitchAndBank.resx

     文件        369  2012-01-20 14:29  AttitudeInstrument\AttitudeInstrument\PitchAndBank\PitchAndBank.Vars.cs

     文件       1398  2012-01-19 11:57  AttitudeInstrument\AttitudeInstrument\Properties\AssemblyInfo.cs

     文件      33238  2012-01-19 12:25  AttitudeInstrument\AttitudeInstrument\Resources\bg111.png

     文件       1422  2012-05-09 02:00  AttitudeInstrument\AttitudeInstrument.sln

    ..A..H.     72192  2012-05-09 02:03  AttitudeInstrument\AttitudeInstrument.suo

     文件        947  2012-05-09 02:02  AttitudeInstrument\TestForm\Form1.cs

     文件       7764  2012-05-09 02:02  AttitudeInstrument\TestForm\Form1.Designer.cs

     文件       5814  2012-05-09 02:02  AttitudeInstrument\TestForm\Form1.resx

     文件        489  2012-01-19 19:32  AttitudeInstrument\TestForm\Program.cs

     文件       1378  2012-01-19 19:32  AttitudeInstrument\TestForm\Properties\AssemblyInfo.cs

     文件       2866  2012-01-19 19:32  AttitudeInstrument\TestForm\Properties\Resources.Designer.cs

............此处省略17个文件信息