335 lines
9.9 KiB
C#
335 lines
9.9 KiB
C#
/******************************************************************************
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* SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
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* CopyRight (C) 2012-2023 ShenYongHua(沈永华).
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* QQ群：56829229 QQ：17612584 EMail：SunnyUI@QQ.Com
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*
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* Blog: https://www.cnblogs.com/yhuse
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* Gitee: https://gitee.com/yhuse/SunnyUI
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* GitHub: https://github.com/yhuse/SunnyUI
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*
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* SunnyUI.dll can be used for free under the GPL-3.0 license.
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* If you use this code, please keep this note.
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* 如果您使用此代码，请保留此说明。
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******************************************************************************
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* 文件名称: UILight.cs
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* 文件说明: 提示灯
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* 当前版本: V3.1
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* 创建日期: 2020-01-01
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*
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* 2020-01-01: V2.2.0 增加文件说明
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* 2021-06-19: V3.0.4 增加方形显示，优化渐变色
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* 2021-08-07: V3.0.5 默认不显示灯光亮线
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* 2022-05-15: V3.1.8 增加文字显示
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* 2023-05-12: V3.3.6 重构DrawString函数
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* 2023-08-28: V3.4.2 恢复全局矩形设计时圆形灯光效果
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******************************************************************************/
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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namespace Sunny.UI
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{
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public enum UILightState
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{
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On,
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Off,
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Blink
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}
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[ToolboxItem(true)]
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public sealed class UILight : UIControl
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{
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private Timer timer;
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public UILight()
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{
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SetStyleFlags(true, false);
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ShowRect = false;
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base.ShowText = false;
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Radius = Width = Height = 35;
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}
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private UIShape sharpType = UIShape.Circle;
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/// <summary>
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/// 显示形状：圆形，正方形
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/// </summary>
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[DefaultValue(UIShape.Circle), Description("显示形状：圆形，正方形"), Category("SunnyUI")]
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public UIShape Shape
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{
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get => sharpType;
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set
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{
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if (sharpType != value)
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{
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sharpType = value;
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Invalidate();
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}
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}
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}
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private int interval = 500;
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/// <summary>
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/// 是否显示文字
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/// </summary>
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[Description("是否显示文字"), Category("SunnyUI")]
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[DefaultValue(false)]
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public new bool ShowText
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{
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get => base.ShowText;
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set => base.ShowText = value;
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}
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/// <summary>
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/// 绘制前景颜色
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/// </summary>
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/// <param name="g">绘图图面</param>
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/// <param name="path">绘图路径</param>
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protected override void OnPaintFore(Graphics g, GraphicsPath path)
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{
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g.DrawString(Text, Font, ForeColor, ClientRectangle, TextAlign);
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}
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[DefaultValue(500), Description("显示间隔"), Category("SunnyUI")]
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public int Interval
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{
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get => interval;
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set
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{
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interval = Math.Max(100, value);
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interval = Math.Min(interval, 10000);
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if (timer != null)
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{
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bool isRun = timer.Enabled;
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timer.Stop();
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timer.Interval = interval;
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if (isRun)
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{
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timer.Start();
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}
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}
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}
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}
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private UILightState state = UILightState.On;
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[DefaultValue(UILightState.On)]
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[Description("显示状态"), Category("SunnyUI")]
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public UILightState State
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{
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get => state;
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set
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{
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state = value;
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timer?.Stop();
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if (state == UILightState.Blink)
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{
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if (timer == null)
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{
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timer = new Timer { Interval = interval };
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timer.Tick += Timer_Tick;
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}
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blinkState = true;
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timer.Start();
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}
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Invalidate();
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}
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}
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private bool blinkState;
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private void Timer_Tick(object sender, EventArgs e)
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{
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blinkState = !blinkState;
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Invalidate();
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}
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/// <summary>
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/// 绘制填充颜色
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/// </summary>
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/// <param name="g">绘图图面</param>
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/// <param name="path">绘图路径</param>
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protected override void OnPaintFill(Graphics g, GraphicsPath path)
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{
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int ShowSize = Math.Min(Width, Height);
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Color color;
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if (State == UILightState.On)
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color = OnColor;
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else if (State == UILightState.Off)
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color = OffColor;
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else
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color = blinkState ? onColor : offColor;
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Color cColor;
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if (State == UILightState.On)
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cColor = OnCenterColor;
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else if (State == UILightState.Off)
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cColor = offCenterColor;
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else
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cColor = blinkState ? OnCenterColor : offCenterColor;
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if (Shape == UIShape.Circle)
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{
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if (Radius != ShowSize) Radius = ShowSize;
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GraphicsPath CirclePath = new GraphicsPath();
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CirclePath.AddEllipse(2, 2, ShowSize - 4, ShowSize - 4);
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g.Smooth();
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if (ShowCenterColor)
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{
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Color[] surroundColor = new Color[] { color };
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using GraphicsPath path1 = ClientRectangle.CreateTrueRoundedRectanglePath(Height);
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PathGradientBrush gradientBrush = new PathGradientBrush(path1);
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gradientBrush.CenterPoint = new PointF(ShowSize / 2.0f, ShowSize / 2.0f);
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gradientBrush.CenterColor = cColor;
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gradientBrush.SurroundColors = surroundColor;
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g.FillPath(gradientBrush, CirclePath);
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gradientBrush.Dispose();
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}
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else
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{
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g.FillPath(color, CirclePath);
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}
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CirclePath.Dispose();
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if (ShowLightLine)
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{
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int size = (ShowSize - 4) / 5;
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g.DrawArc(cColor, size, size,
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ShowSize - size * 2, ShowSize - size * 2,
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45, -155);
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}
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}
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if (Shape == UIShape.Square)
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{
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if (Radius != 0) Radius = 0;
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g.FillRoundRectangle(color, 2, 2, ShowSize - 4, ShowSize - 4, 5);
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if (ShowCenterColor)
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{
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GraphicsPath CirclePath = new GraphicsPath();
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Point[] p = {
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new Point(3,3),new Point(ShowSize-3,3),
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new Point(ShowSize-3,ShowSize-3),new Point(3,ShowSize-3)
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};
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CirclePath.AddLines(p);
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g.Smooth();
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Color[] surroundColor = new Color[] { color };
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PathGradientBrush gradientBrush = new PathGradientBrush(path);
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gradientBrush.CenterPoint = new PointF(ShowSize / 2.0f, ShowSize / 2.0f);
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gradientBrush.CenterColor = cColor;
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gradientBrush.SurroundColors = surroundColor;
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g.FillPath(gradientBrush, CirclePath);
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gradientBrush.Dispose();
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CirclePath.Dispose();
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}
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}
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}
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private bool showCenterColor = true;
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[DefaultValue(true)]
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[Description("是否显示中心颜色"), Category("SunnyUI")]
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public bool ShowCenterColor
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{
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get => showCenterColor;
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set
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{
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showCenterColor = value;
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Invalidate();
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}
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}
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private bool showLightLine;
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[DefaultValue(false)]
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[Description("显示灯光亮线"), Category("SunnyUI")]
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public bool ShowLightLine
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{
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get => showLightLine;
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set
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{
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showLightLine = value;
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Invalidate();
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}
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}
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private Color onColor = UIColor.Green;
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[DefaultValue(typeof(Color), "110, 190, 40")]
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[Description("打开状态颜色"), Category("SunnyUI")]
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public Color OnColor
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{
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get => onColor;
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set
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{
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onColor = value;
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Invalidate();
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}
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}
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private Color centerColor = UIColor.White;
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[DefaultValue(typeof(Color), "White")]
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[Description("中心颜色"), Category("SunnyUI"), Browsable(false)]
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public Color CenterColor
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{
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get => centerColor;
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set
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{
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centerColor = value;
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Invalidate();
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}
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}
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[DefaultValue(typeof(Color), "White")]
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[Description("中心颜色"), Category("SunnyUI")]
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public Color OnCenterColor
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{
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get => CenterColor;
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set => CenterColor = value;
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}
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private Color offCenterColor = UIColor.White;
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[DefaultValue(typeof(Color), "White")]
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[Description("中心颜色"), Category("SunnyUI")]
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public Color OffCenterColor
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{
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get => offCenterColor;
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set
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{
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offCenterColor = value;
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Invalidate();
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}
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}
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private Color offColor = UIColor.Gray;
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[DefaultValue(typeof(Color), "140, 140, 140")]
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[Description("关闭状态颜色"), Category("SunnyUI")]
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public Color OffColor
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{
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get => offColor;
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set
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{
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offColor = value;
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Invalidate();
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}
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}
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}
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} |