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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Drawing.Drawing2D;
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namespace HslCommunication.Controls
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{
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/// <summary>
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/// 仪表盘控件类
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/// </summary>
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public partial class UserGaugeChart : UserControl
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{
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/// <summary>
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/// 实例化一个仪表盘控件
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/// </summary>
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public UserGaugeChart( )
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{
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InitializeComponent( );
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pen_gauge_border = new Pen( color_gauge_border );
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brush_gauge_pointer = new SolidBrush( color_gauge_pointer );
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centerFormat = new StringFormat( );
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centerFormat.Alignment = StringAlignment.Center;
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centerFormat.LineAlignment = StringAlignment.Center;
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pen_gauge_alarm = new Pen( Color.OrangeRed, 3f );
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pen_gauge_alarm.DashStyle = DashStyle.Custom;
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pen_gauge_alarm.DashPattern = new float[] { 5, 1 };
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hybirdLock = new Core.SimpleHybirdLock( );
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m_UpdateAction = new Action( Invalidate );
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timer_alarm_check = new Timer( );
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timer_alarm_check.Tick += Timer_alarm_check_Tick;
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timer_alarm_check.Interval = 1000;
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DoubleBuffered = true;
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}
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private void Timer_alarm_check_Tick( object sender, EventArgs e )
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{
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if (value_current > value_alarm_max || value_current < value_alarm_min)
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{
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alarm_check = !alarm_check;
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}
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else
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{
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alarm_check = false;
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}
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Invalidate( );
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}
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private void UserGaugeChart_Load( object sender, EventArgs e )
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{
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timer_alarm_check.Start( );
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}
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private void UserGaugeChart_Paint( object sender, PaintEventArgs e )
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{
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if (!Authorization.nzugaydgwadawdibbas( )) return;
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Graphics g = e.Graphics;
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g.SmoothingMode = SmoothingMode.HighQuality; // 消除锯齿
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g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit; // 优化文本显示
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OperateResult<Point, int, double> setting = GetCenterPoint( );
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if (!setting.IsSuccess) return; // 不满足绘制条件
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Point center = setting.Content1;
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int radius = setting.Content2;
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float angle = Convert.ToSingle( setting.Content3 );
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Rectangle circular = new Rectangle( -radius, -radius, 2 * radius, 2 * radius );
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Rectangle circular_larger = new Rectangle( -radius - 5, -radius - 5, 2 * radius + 10, 2 * radius + 10 );
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Rectangle circular_mini = new Rectangle( -radius / 3, -radius / 3, 2 * radius / 3, 2 * radius / 3 );
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g.TranslateTransform( center.X, center.Y );
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g.DrawArc( pen_gauge_border, circular_mini, -angle, angle * 2 - 180 );
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g.DrawArc( pen_gauge_border, circular, angle - 180, 180 - angle * 2 );
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g.DrawLine( pen_gauge_border, (int)(-(radius / 3) * Math.Cos( angle / 180 * Math.PI )), -(int)((radius / 3) * Math.Sin( angle / 180 * Math.PI )), -(int)((radius - 30) * Math.Cos( angle / 180 * Math.PI )), -(int)((radius - 30) * Math.Sin( angle / 180 * Math.PI )) );
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g.DrawLine( pen_gauge_border, (int)((radius - 30) * Math.Cos( angle / 180 * Math.PI )), -(int)((radius - 30) * Math.Sin( angle / 180 * Math.PI )), (int)((radius / 3) * Math.Cos( angle / 180 * Math.PI )), -(int)((radius / 3) * Math.Sin( angle / 180 * Math.PI )) );
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// 开始绘制刻度
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g.RotateTransform( angle - 90 );
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int totle = segment_count;
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for (int i = 0; i <= totle; i++)
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{
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Rectangle rect = new Rectangle( -2, -radius, 3, 7 );
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g.FillRectangle( Brushes.DimGray, rect );
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rect = new Rectangle( -50, -radius + 7, 100, 20 );
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double current = ValueStart + (ValueMax - ValueStart) * i / totle;
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g.DrawString( current.ToString( ), Font, Brushes.DodgerBlue, rect, centerFormat );
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g.RotateTransform( (180 - 2 * angle) / totle / 2 );
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if (i != totle) g.DrawLine( Pens.DimGray, 0, -radius, 0, -radius + 3 );
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g.RotateTransform( (180 - 2 * angle) / totle / 2 );
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}
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g.RotateTransform( -(180 - 2 * angle) / totle );
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g.RotateTransform( angle - 90 );
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Rectangle text = new Rectangle( -36, -(radius * 2 / 3 - 3), 72, Font.Height + 3 );
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// 如果处于报警中，就闪烁
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if (value_current > value_alarm_max || value_current < value_alarm_min)
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{
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if (alarm_check)
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{
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g.FillRectangle( Brushes.OrangeRed, text );
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}
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}
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// g.FillRectangle(Brushes.Wheat, text);
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if (IsTextUnderPointer)
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{
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g.DrawString( Value.ToString( ), Font, Brushes.DimGray, text, centerFormat );
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// g.DrawRectangle(pen_gauge_border, text);
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text.Offset( 0, Font.Height );
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if (!string.IsNullOrEmpty( UnitText ))
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{
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g.DrawString( UnitText, Font, Brushes.Gray, text, centerFormat );
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}
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}
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g.RotateTransform( angle - 90 );
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g.RotateTransform( (float)((value_paint - ValueStart) / (ValueMax - ValueStart) * (180 - 2 * angle)) );
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Rectangle rectangle = new Rectangle( -5, -5, 10, 10 );
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g.FillEllipse( brush_gauge_pointer, rectangle );
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// g.DrawEllipse(Pens.Red, rectangle);
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Point[] points = new Point[] { new Point( 5, 0 ), new Point( 2, -radius + 40 ), new Point( 0, -radius + 20 ), new Point( -2, -radius + 40 ), new Point( -5, 0 ) };
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g.FillPolygon( brush_gauge_pointer, points );
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// g.DrawLines(Pens.Red, points);
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g.RotateTransform( (float)(-(value_paint - ValueStart) / (ValueMax - ValueStart) * (180 - 2 * angle)) );
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g.RotateTransform( 90 - angle );
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if (value_alarm_min > ValueStart && value_alarm_min <= ValueMax)
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{
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g.DrawArc( pen_gauge_alarm, circular_larger, angle - 180, (float)((ValueAlarmMin - ValueStart) / (ValueMax - ValueStart) * (180 - 2 * angle)) );
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}
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if (value_alarm_max >= ValueStart && value_alarm_max < ValueMax)
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{
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float angle_max = (float)((value_alarm_max - ValueStart) / (ValueMax - ValueStart) * (180 - 2 * angle));
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g.DrawArc( pen_gauge_alarm, circular_larger, -180 + angle + angle_max, 180 - 2 * angle - angle_max );
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}
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if (!IsTextUnderPointer)
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{
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g.DrawString( Value.ToString( ), Font, Brushes.DimGray, text, centerFormat );
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// g.DrawRectangle(pen_gauge_border, text);
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text.Offset( 0, Font.Height );
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if (!string.IsNullOrEmpty( UnitText ))
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{
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g.DrawString( UnitText, Font, Brushes.Gray, text, centerFormat );
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}
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}
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g.ResetTransform( );
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}
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/// <summary>
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/// 获取中心点的坐标
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/// </summary>
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/// <returns></returns>
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private OperateResult<Point, int, double> GetCenterPoint( )
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{
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OperateResult<Point, int, double> result = new OperateResult<Point, int, double>( );
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if (Height <= 35) return result;
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if (Width <= 20) return result;
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result.IsSuccess = true;
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if (!IsBigSemiCircle)
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{
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// 以纵轴为标准创建的图像，特点是小于半圆~半圆变化
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result.Content2 = Height - 30;
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if ((Width - 40) / 2d > result.Content2)
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{
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result.Content3 = Math.Acos( 1 ) * 180 / Math.PI;
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}
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else
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{
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result.Content3 = Math.Acos( (Width - 40) / 2d / (Height - 30) ) * 180 / Math.PI;
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}
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result.Content1 = new Point( Width / 2, Height - 10 );
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return result;
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}
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else
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{
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// 以横轴为标准创建的图像，特点是半圆~整圆变化
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result.Content2 = (Width - 40) / 2;
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if ((Height - 30) < result.Content2)
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{
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result.Content2 = Height - 30;
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result.Content3 = Math.Acos( 1 ) * 180 / Math.PI;
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result.Content1 = new Point( Width / 2, Height - 10 );
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return result;
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}
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else
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{
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int left = Height - 30 - result.Content2;
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if (left > result.Content2) left = result.Content2;
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result.Content3 = -Math.Asin( left * 1.0d / result.Content2 ) * 180 / Math.PI;
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result.Content1 = new Point( Width / 2, result.Content2 + 20 );
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return result;
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}
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}
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}
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private void ThreadPoolUpdateProgress( object obj )
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{
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try
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{
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// 开始计算更新细节
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int version = (int)obj;
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if (value_paint == value_current) return;
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double m_speed = Math.Abs( value_paint - value_current ) / 10;
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if (m_speed == 0) m_speed = 1;
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while (value_paint != value_current)
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{
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System.Threading.Thread.Sleep( 17 );
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if (version != m_version) break;
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hybirdLock.Enter( );
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double newActual = 0;
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if (value_paint > value_current)
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{
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double offect = value_paint - value_current;
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if (offect > m_speed) offect = m_speed;
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newActual = value_paint - offect;
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}
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else
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{
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double offect = value_current - value_paint;
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if (offect > m_speed) offect = m_speed;
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newActual = value_paint + offect;
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}
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value_paint = newActual;
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hybirdLock.Leave( );
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if (version == m_version)
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{
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if (IsHandleCreated) Invoke( m_UpdateAction );
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}
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else
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{
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break;
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}
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}
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}
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catch (Exception)
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{
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// BasicFramework.SoftBasic.ShowExceptionMessage(ex);
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}
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}
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#region Private Member
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private Color color_gauge_border = Color.DimGray;
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private Pen pen_gauge_border = null; // 绘制仪表盘的边框色
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private Color color_gauge_pointer = Color.Tomato;
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private Brush brush_gauge_pointer = null; // 绘制仪表盘的指针的颜色
|
|
|
|
|
|
|
|
|
|
|
|
private double value_start = 0; // 仪表盘的初始值
|
|
|
|
|
|
private double value_max = 100d; // 仪表盘的结束值
|
|
|
|
|
|
private double value_current = 0d; // 仪表盘的当前值
|
|
|
|
|
|
private double value_alarm_max = 80d; // 仪表盘的上限报警值
|
|
|
|
|
|
private double value_alarm_min = 20d; // 仪表盘的下限报警值
|
|
|
|
|
|
private Pen pen_gauge_alarm = null; // 绘制仪表盘的报警区间的虚线画笔
|
|
|
|
|
|
|
|
|
|
|
|
private int m_version = 0; // 设置数据时的版本，用于更新时的版本验证
|
|
|
|
|
|
private double value_paint = 0d; // 绘制图形时候的中间值
|
|
|
|
|
|
private Core.SimpleHybirdLock hybirdLock; // 数据的同步锁
|
|
|
|
|
|
private Action m_UpdateAction; // 更新界面的委托
|
|
|
|
|
|
private Timer timer_alarm_check; // 数据处于危险区域的报警闪烁
|
|
|
|
|
|
private bool alarm_check = false; // 每秒计时的报警反馈
|
|
|
|
|
|
|
|
|
|
|
|
private int segment_count = 10; // 显示区域的分割片段
|
|
|
|
|
|
private StringFormat centerFormat = null; // 居中显示的格式化文本
|
|
|
|
|
|
private string value_unit_text = string.Empty; // 数值的单位，可以设置并显示
|
|
|
|
|
|
private bool text_under_pointer = true; // 指示文本是否在指针的下面
|
|
|
|
|
|
private bool isBigSemiCircle = false; // 是否显示超过半个圆的信息
|
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|
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|
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|
|
#endregion
|
|
|
|
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|
|
|
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|
|
|
|
|
|
|
|
#region Public Member
|
|
|
|
|
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|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置仪表盘的背景色
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置仪表盘的背景色" )]
|
|
|
|
|
|
[DefaultValue( typeof( Color ), "DimGray" )]
|
|
|
|
|
|
public Color GaugeBorder
|
|
|
|
|
|
{
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|
|
|
|
|
get { return color_gauge_border; }
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
pen_gauge_border?.Dispose( );
|
|
|
|
|
|
pen_gauge_border = new Pen( value );
|
|
|
|
|
|
color_gauge_border = value;
|
|
|
|
|
|
Invalidate( );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置指针的颜色
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置仪表盘指针的颜色" )]
|
|
|
|
|
|
[DefaultValue( typeof( Color ), "Tomato" )]
|
|
|
|
|
|
public Color PointerColor
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
return color_gauge_pointer;
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
brush_gauge_pointer?.Dispose( );
|
|
|
|
|
|
brush_gauge_pointer = new SolidBrush( value );
|
|
|
|
|
|
color_gauge_pointer = value;
|
|
|
|
|
|
Invalidate( );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置数值的起始值，默认为0
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置数值的起始值，默认为0" )]
|
|
|
|
|
|
[DefaultValue( 0d )]
|
|
|
|
|
|
public double ValueStart
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
if (value_max <= value_start)
|
|
|
|
|
|
{
|
|
|
|
|
|
return value_start + 1;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
return value_start;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
value_start = value;
|
|
|
|
|
|
Invalidate( );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置数值的最大值，默认为100
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置数值的最大值，默认为100" )]
|
|
|
|
|
|
[DefaultValue( 100d )]
|
|
|
|
|
|
public double ValueMax
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
if (value_max <= value_start)
|
|
|
|
|
|
{
|
|
|
|
|
|
return value_start + 1;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
return value_max;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
value_max = value;
|
|
|
|
|
|
Invalidate( );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置数值的当前值，应该处于最小值和最大值之间
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置数值的当前值，默认为0" )]
|
|
|
|
|
|
[DefaultValue( 0d )]
|
|
|
|
|
|
public double Value
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
return value_current;
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
if (ValueStart <= value && value <= ValueMax)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (value != value_current)
|
|
|
|
|
|
{
|
|
|
|
|
|
value_current = value;
|
|
|
|
|
|
int version = System.Threading.Interlocked.Increment( ref m_version );
|
|
|
|
|
|
System.Threading.ThreadPool.QueueUserWorkItem( new System.Threading.WaitCallback(
|
|
|
|
|
|
ThreadPoolUpdateProgress ), version );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置数值的上限报警值，设置为超过最大值则无上限报警
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置数值的上限报警值，设置为超过最大值则无上限报警，默认为80" )]
|
|
|
|
|
|
[DefaultValue( 80d )]
|
|
|
|
|
|
public double ValueAlarmMax
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
return value_alarm_max;
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
if (ValueStart <= value)
|
|
|
|
|
|
{
|
|
|
|
|
|
value_alarm_max = value;
|
|
|
|
|
|
Invalidate( );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置数值的下限报警值，设置为超过最大值则无上限报警
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置数值的下限报警值，设置为小于最小值则无下限报警，默认为20" )]
|
|
|
|
|
|
[DefaultValue( 20d )]
|
|
|
|
|
|
public double ValueAlarmMin
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
return value_alarm_min;
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
if (value <= ValueMax)
|
|
|
|
|
|
{
|
|
|
|
|
|
value_alarm_min = value;
|
|
|
|
|
|
Invalidate( );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置仪表盘的分割段数，最小为2，最大1000
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置仪表盘的分割段数，最小为2，最大1000" )]
|
|
|
|
|
|
[DefaultValue( 10 )]
|
|
|
|
|
|
public int SegmentCount
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
return segment_count;
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
if (value > 1 && value < 1000)
|
|
|
|
|
|
{
|
|
|
|
|
|
segment_count = value;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置仪表盘的单位描述文本
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置仪表盘的单位描述文本" )]
|
|
|
|
|
|
[DefaultValue( "" )]
|
|
|
|
|
|
public string UnitText
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
return value_unit_text;
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
value_unit_text = value;
|
|
|
|
|
|
Invalidate( );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 获取或设置文本是否是指针的下面
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "获取或设置文本是否是指针的下面" )]
|
|
|
|
|
|
[DefaultValue( true )]
|
|
|
|
|
|
public bool IsTextUnderPointer
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
return text_under_pointer;
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
text_under_pointer = value;
|
|
|
|
|
|
Invalidate( );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 通常情况，仪表盘不会大于半个圆，除非本属性设置为 True
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
[Browsable( true )]
|
|
|
|
|
|
[Category( "外观" )]
|
|
|
|
|
|
[Description( "通常情况，仪表盘不会大于半个圆，除非本属性设置为 True" )]
|
|
|
|
|
|
[DefaultValue( false )]
|
|
|
|
|
|
public bool IsBigSemiCircle
|
|
|
|
|
|
{
|
|
|
|
|
|
get
|
|
|
|
|
|
{
|
|
|
|
|
|
return isBigSemiCircle;
|
|
|
|
|
|
}
|
|
|
|
|
|
set
|
|
|
|
|
|
{
|
|
|
|
|
|
isBigSemiCircle = value;
|
|
|
|
|
|
Invalidate( );
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
