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 WinCustControls
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{
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public partial class UCPipe : UserControl
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{
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public UCPipe()
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{
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InitializeComponent();
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SetStyle(ControlStyles.AllPaintingInWmPaint, true);//忽略窗口消息，减少闪烁
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SetStyle(ControlStyles.OptimizedDoubleBuffer, true);//绘制到缓冲区，减少闪烁
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SetStyle(ControlStyles.UserPaint, true);//控件由其自身而不是操作系统绘制
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SetStyle(ControlStyles.ResizeRedraw, true);//控件调整其大小时重绘
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SetStyle(ControlStyles.SupportsTransparentBackColor, true);//支持透明背景
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SizeChanged += UCPipe_SizeChanged;
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this.Size = new Size(200, 30);
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timer = new System.Timers.Timer();
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timer.Interval = 100;
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timer.AutoReset = true;
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timer.Elapsed += Timer_Elapsed;
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}
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private void Timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
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{
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intLineLeft += 2;
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if (intLineLeft > 12)
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{
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intLineLeft = 0;
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}
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Invalidate();
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}
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System.Timers.Timer timer = null;
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int intLineLeft = 0;//线的左边距离
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int intPenWidth = 0;//圆弧的半径
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private void UCPipe_SizeChanged(object sender, EventArgs e)
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{
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intPenWidth = pipeStyle.ToString().Substring(0, 1) == "H" ? Height : Width;
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}
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private PipeStyle pipeStyle = PipeStyle.Horizontal_None_None;
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[DefaultValue(typeof(PipeStyle), "Horizontal_None_None"), Description("管道样式")]
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public PipeStyle PipeStyle
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{
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get { return pipeStyle; }
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set
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{
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string oldStr = pipeStyle.ToString().Substring(0, 1);
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string newStr = value.ToString().Substring(0, 1);
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pipeStyle = value;
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if (oldStr != newStr)
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{
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Size = new Size(Size.Height, Size.Width);
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}
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Invalidate();
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}
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}
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private bool isFlow = false;
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[DefaultValue(typeof(bool), "False"), Description("是否流动")]
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public bool IsFlow
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{
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get { return isFlow; }
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set
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{
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isFlow = value;
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if (isFlow)
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{
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timer.Start();
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}
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else
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{
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timer.Stop();
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}
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Invalidate();
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}
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}
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private int flowWidth = 4;
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[DefaultValue(typeof(int), "4"), Description("流动线的粗细")]
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public int FlowWidth
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{
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get { return flowWidth; }
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set
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{
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flowWidth = value;
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if (flowWidth <= 0)
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return;
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Invalidate();
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}
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}
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private int flowLength = 8;
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[DefaultValue(typeof(int), "4"), Description("流动线的长度")]
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public int FlowLength
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{
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get { return flowLength; }
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set
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{
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flowLength = value;
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Invalidate();
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}
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}
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private int flowSpace = 6;
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[DefaultValue(typeof(int), "6"), Description("流动线的间隔")]
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public int FlowSpace
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{
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get { return flowSpace; }
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set
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{
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flowSpace = value;
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Invalidate();
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}
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}
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private Color pipeColor = Color.LightBlue;
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[DefaultValue(typeof(Color), "LightBlue"), Description("管道的颜色")]
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public Color PipeColor
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{
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get { return pipeColor; }
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set
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{
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pipeColor = value;
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Invalidate();
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}
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}
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private Color flowColor = Color.White;
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[DefaultValue(typeof(Color), "White"), Description("流动线的颜色")]
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public Color FlowColor
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{
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get { return flowColor; }
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set
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{
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flowColor = value;
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Invalidate();
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}
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}
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private FlowDirection flowDirection = FlowDirection.Forward;
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[DefaultValue(typeof(FlowDirection), "Forward"), Description("流动的方向")]
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public FlowDirection FlowDirection
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{
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get { return flowDirection; }
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set
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{
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flowDirection = value;
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Invalidate();
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}
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}
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private int flowSpeed = 100;
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[DefaultValue(typeof(int), "100"), Description("流动速度")]
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public int FlowSpeed
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{
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get { return flowSpeed; }
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set
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{
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if (value <= 0)
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return;
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flowSpeed = value;
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timer.Interval = flowSpeed;
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Invalidate();
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}
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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Graphics g = e.Graphics;
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g.SmoothingMode = SmoothingMode.AntiAlias;
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//管道轮廓路径
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GraphicsPath path = new GraphicsPath();
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//流动线外围的路径
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GraphicsPath linePath = new GraphicsPath();
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switch (pipeStyle)
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{
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case PipeStyle.Horizontal_None_None://水平
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path.AddLines(new PointF[] {
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new PointF(0,0),
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new PointF(ClientRectangle.Right,0),
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new PointF(ClientRectangle.Right,Height),
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new PointF(0,Height)
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});
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path.CloseAllFigures();//闭合
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//添加中间流动线路径
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linePath.AddLine(0, Height / 2, Width, Height / 2);
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break;
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case PipeStyle.Horizontal_Up_None://水平左上弯
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path.AddLines(new PointF[]
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{
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new PointF(0, 0),
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new PointF(this.ClientRectangle.Right, 0),
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new PointF(this.ClientRectangle.Right, this.Height),
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new PointF(0+intPenWidth, this.Height)//左下角点 下边直线弯道前的点
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});
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//添加上弯弧线 所在圆的矩形左上角y：intPenWidth * -1
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path.AddArc(new Rectangle(0, intPenWidth * -1, intPenWidth * 2, intPenWidth * 2), 90, 90);
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path.CloseAllFigures();//闭合
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//添加中间流动线 左边圆弧+右边直线
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linePath.AddArc(new Rectangle(intPenWidth / 2 + 1, -1 * intPenWidth / 2 - 1, intPenWidth, intPenWidth), 181, -91);
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//右边直线
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linePath.AddLine(intPenWidth, this.Height / 2, this.Width, this.Height / 2);
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break;
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case PipeStyle.Horizontal_Down_None://水平左下弯
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path.AddLines(new PointF[]
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{
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new PointF(intPenWidth, 0),//上边横线的起点
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new PointF(this.ClientRectangle.Right, 0),//右上角点
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new PointF(this.ClientRectangle.Right, this.Height),//右下角点
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new PointF(0, this.Height)//左下角点
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});
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//左上角圆弧 向上旋转90度
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path.AddArc(new Rectangle(0, 0, intPenWidth * 2, intPenWidth * 2), 180, 90);
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path.CloseAllFigures();//闭合
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//添加流动线向上旋转弧
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linePath.AddArc(new Rectangle(intPenWidth / 2 + 1, this.Height / 2, intPenWidth, intPenWidth), 179, 91);
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//流动线 向右直线
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linePath.AddLine(intPenWidth + 1, this.Height / 2, this.Width, this.Height / 2);
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break;
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case PipeStyle.Horizontal_None_Up://水平右上弯
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path.AddLines(new PointF[]
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{
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//右下角直线起点（右边就是向下旋转弧）
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new PointF(this.ClientRectangle.Right-intPenWidth, this.Height),
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//左下角点
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new PointF(0, this.Height),
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//左上角点
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new PointF(0, 0),
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//右上角点
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new PointF(this.ClientRectangle.Right, 0)
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});
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//添加右下角弧线
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path.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth * 2, intPenWidth * -1, intPenWidth * 2, intPenWidth * 2), 0, 90);
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path.CloseAllFigures();
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//添加中间流动线
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linePath.AddLine(0, this.Height / 2, this.Width - intPenWidth, this.Height / 2);
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linePath.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth - intPenWidth / 2 - 1, -1 * intPenWidth / 2 - 1, intPenWidth, intPenWidth), 91, -91);
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break;
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case PipeStyle.Horizontal_None_Down://水平右下弯
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path.AddLines(new PointF[]
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{
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new PointF(this.ClientRectangle.Right, this.Height),//右下角点
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new PointF(0, this.Height),//右下角点
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new PointF(0, 0),//左上角点
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new PointF(this.ClientRectangle.Right-intPenWidth, 0)//右上角点（右边是向下圆弧）
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});
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//添加右上角弧线
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path.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth * 2, -1, intPenWidth * 2, intPenWidth * 2), 270, 90);
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path.CloseAllFigures();
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//添加流动线+弧线
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linePath.AddLine(0, this.Height / 2, this.Width - intPenWidth - 1, this.Height / 2);
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linePath.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth - intPenWidth / 2 - 1, intPenWidth / 2, intPenWidth, intPenWidth), 269, 91);
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break;
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case PipeStyle.Horizontal_Down_Up://水平左下右上
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//添加上边直线（去掉弧线部分）
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path.AddLine(new Point(intPenWidth, 0), new Point(this.Width, 0));
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//添加右下角弧线
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path.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth * 2, intPenWidth * -1, intPenWidth * 2, intPenWidth * 2), 0, 90);
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//添加下线直线
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path.AddLine(new Point(this.Width - intPenWidth, this.Height), new Point(0, this.Height));
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//添加左上角弧线
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path.AddArc(new Rectangle(0, 0, intPenWidth * 2, intPenWidth * 2), 180, 90);
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path.CloseAllFigures();
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//添加流动线圆弧 左上
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linePath.AddArc(new Rectangle(intPenWidth / 2 + 1, this.Height / 2, intPenWidth, intPenWidth), 179, 91);
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//添加流动线圆弧 右下
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linePath.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth - intPenWidth / 2 - 1, -1 * intPenWidth / 2 - 1, intPenWidth, intPenWidth), 91, -91);
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break;
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case PipeStyle.Horizontal_Up_Down://左上右下
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//添加上直线
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path.AddLine(new Point(0, 0), new Point(this.Width - intPenWidth, 0));
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//右上圆弧
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path.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth * 2, -1, intPenWidth * 2, intPenWidth * 2), 270, 90);
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//添加下直线
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path.AddLine(new Point(this.Width, this.Height), new Point(intPenWidth, this.Height));
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//添加左下圆弧
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path.AddArc(new Rectangle(0, intPenWidth * -1, intPenWidth * 2, intPenWidth * 2), 90, 90);
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path.CloseAllFigures();
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//流动线 添加圆弧 左上
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linePath.AddArc(new Rectangle(intPenWidth / 2 + 1, -1 * intPenWidth / 2 - 1, intPenWidth, intPenWidth), 181, -91);
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//流动线 中间直接
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linePath.AddLine(intPenWidth, this.Height / 2, this.Width - intPenWidth - 1, this.Height / 2);
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//流动线 右下圆弧
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linePath.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth - intPenWidth / 2 - 1, intPenWidth / 2, intPenWidth, intPenWidth), 269, 91);
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break;
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case PipeStyle.Horizontal_Up_Up://左上右上
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//上边直线
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path.AddLine(new Point(0, 0), new Point(this.Width, 0));
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//右下圆弧
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path.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth * 2, intPenWidth * -1, intPenWidth * 2, intPenWidth * 2), 0, 90);
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//下边直线
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path.AddLine(new Point(this.Width - intPenWidth, this.Height), new Point(intPenWidth, this.Height));
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//左上圆弧
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path.AddArc(new Rectangle(0, intPenWidth * -1, intPenWidth * 2, intPenWidth * 2), 90, 90);
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path.CloseAllFigures();
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//添加流动线右下圆弧
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linePath.AddArc(new Rectangle(intPenWidth / 2 + 1, -1 * intPenWidth / 2 - 1, intPenWidth, intPenWidth), 181, -91);
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//添加流动线左下圆弧
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linePath.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth - intPenWidth / 2 - 1, -1 * intPenWidth / 2 - 1, intPenWidth, intPenWidth), 91, -91);
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//添加左下圆弧
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break;
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case PipeStyle.Horizontal_Down_Down://水平左下右下
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//上边直线
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path.AddLine(new Point(intPenWidth, 0), new Point(this.Width - intPenWidth, 0));
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//右上角圆弧
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path.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth * 2, -1, intPenWidth * 2, intPenWidth * 2), 270, 90);
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//下边线
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path.AddLine(new Point(this.Width, this.Height), new Point(0, this.Height));
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//左上角圆弧
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path.AddArc(new Rectangle(0, -1, intPenWidth * 2, intPenWidth * 2), 180, 90);
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path.CloseAllFigures();
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//添加流动线 左上角圆弧
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linePath.AddArc(new Rectangle(intPenWidth / 2 + 1, this.Height / 2, intPenWidth, intPenWidth), 179, 91);
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//中间直线
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linePath.AddLine(intPenWidth + 1, this.Height / 2, this.Width - intPenWidth - 1, this.Height / 2);
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//右上角圆弧
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linePath.AddArc(new Rectangle(this.ClientRectangle.Right - intPenWidth - intPenWidth / 2 - 1, intPenWidth / 2, intPenWidth, intPenWidth), 269, 91);
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break;
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case PipeStyle.Vertical_None_None:
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path.AddLines(new PointF[]
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{
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new PointF(0, 0),
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new PointF(this.ClientRectangle.Right, 0),
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new PointF(this.ClientRectangle.Right, this.Height),
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new PointF(0, this.Height)
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});
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path.CloseAllFigures();
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linePath.AddLine(this.Width / 2, 0, this.Width / 2, this.Height);
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break;
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case PipeStyle.Vertical_Left_None:
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path.AddLines(new PointF[]
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{
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new PointF(this.ClientRectangle.Right, intPenWidth),
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new PointF(this.ClientRectangle.Right, this.Height),
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new PointF(0, this.Height),
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new PointF(0, 0)
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});
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path.AddArc(new Rectangle(-1 * intPenWidth, 0, intPenWidth * 2, intPenWidth * 2), 270, 90);
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path.CloseAllFigures();
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linePath.AddArc(new Rectangle(-1 * intPenWidth / 2 - 1, intPenWidth / 2 + 1, intPenWidth, intPenWidth), 269, 91);
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linePath.AddLine(intPenWidth / 2, intPenWidth, intPenWidth / 2, this.Height);
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break;
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case PipeStyle.Vertical_Right_None:
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path.AddLines(new PointF[]
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{
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new PointF(this.ClientRectangle.Right, 0),
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new PointF(this.ClientRectangle.Right, this.Height),
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new PointF(0, this.Height),
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new PointF(0, intPenWidth)
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});
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path.AddArc(new Rectangle(-1, 0, intPenWidth * 2, intPenWidth * 2), 180, 90);
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path.CloseAllFigures();
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linePath.AddArc(new Rectangle(intPenWidth / 2, intPenWidth / 2 + 1, intPenWidth, intPenWidth), 271, -91);
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linePath.AddLine(intPenWidth / 2, intPenWidth + 1, intPenWidth / 2, this.Height);
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break;
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case PipeStyle.Vertical_None_Left:
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path.AddLines(new PointF[]
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{
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new PointF(0, this.Height),
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new PointF(0, 0),
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new PointF(this.ClientRectangle.Right, 0),
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new PointF(this.ClientRectangle.Right, this.Height-intPenWidth),
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});
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path.AddArc(new Rectangle(-1 * intPenWidth, this.Height - intPenWidth * 2, intPenWidth * 2, intPenWidth * 2), 0, 90);
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path.CloseAllFigures();
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linePath.AddLine(this.Width / 2, 0, this.Width / 2, this.Height - intPenWidth);
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linePath.AddArc(new Rectangle(-1 * intPenWidth / 2 - 1, this.Height - intPenWidth - intPenWidth / 2 - 1, intPenWidth, intPenWidth), -1, 91);
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break;
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case PipeStyle.Vertical_None_Right:
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path.AddLines(new PointF[]
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{
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new PointF(0, this.Height-intPenWidth),
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new PointF(0, 0),
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new PointF(this.ClientRectangle.Right, 0),
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new PointF(this.ClientRectangle.Right, this.Height),
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});
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path.AddArc(new Rectangle(-1, this.Height - intPenWidth * 2, intPenWidth * 2, intPenWidth * 2), 90, 90);
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path.CloseAllFigures();
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linePath.AddLine(this.Width / 2, 0, this.Width / 2, this.Height - intPenWidth - 1);
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linePath.AddArc(new Rectangle(intPenWidth / 2, this.Height - intPenWidth - intPenWidth / 2 - 1, intPenWidth, intPenWidth), 181, -91);
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break;
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case PipeStyle.Vertical_Left_Right:
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path.AddLine(this.Width, intPenWidth, this.Width, this.Height);
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path.AddArc(new Rectangle(-1, this.Height - intPenWidth * 2, intPenWidth * 2, intPenWidth * 2), 90, 90);
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path.AddLine(0, this.Height - intPenWidth, 0, 0);
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path.AddArc(new Rectangle(-1 * intPenWidth, 0, intPenWidth * 2, intPenWidth * 2), 270, 90);
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path.CloseAllFigures();
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linePath.AddArc(new Rectangle(-1 * intPenWidth / 2 - 1, intPenWidth / 2 + 1, intPenWidth, intPenWidth), 269, 91);
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linePath.AddArc(new Rectangle(intPenWidth / 2, this.Height - intPenWidth - intPenWidth / 2 - 1, intPenWidth, intPenWidth), 181, -91);
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break;
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case PipeStyle.Vertical_Right_Left:
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path.AddLine(this.Width, 0, this.Width, this.Height - intPenWidth);
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path.AddArc(new Rectangle(-1 * intPenWidth, this.Height - intPenWidth * 2, intPenWidth * 2, intPenWidth * 2), 0, 90);
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path.AddLine(0, this.Height, 0, intPenWidth);
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path.AddArc(new Rectangle(-1, 0, intPenWidth * 2, intPenWidth * 2), 180, 90);
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path.CloseAllFigures();
|
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linePath.AddArc(new Rectangle(intPenWidth / 2, intPenWidth / 2 + 1, intPenWidth, intPenWidth), 271, -91);
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linePath.AddArc(new Rectangle(-1 * intPenWidth / 2 - 1, this.Height - intPenWidth - intPenWidth / 2 - 1, intPenWidth, intPenWidth), -1, 91);
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break;
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case PipeStyle.Vertical_Left_Left:
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path.AddLine(this.Width, intPenWidth, this.Width, this.Height - intPenWidth);
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path.AddArc(new Rectangle(-1 * intPenWidth, this.Height - intPenWidth * 2, intPenWidth * 2, intPenWidth * 2), 0, 90);
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path.AddLine(0, this.Height, 0, 0);
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path.AddArc(new Rectangle(-1 * intPenWidth, 0, intPenWidth * 2, intPenWidth * 2), 270, 90);
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path.CloseAllFigures();
|
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linePath.AddArc(new Rectangle(-1 * intPenWidth / 2 - 1, intPenWidth / 2 + 1, intPenWidth, intPenWidth), 269, 91);
|
linePath.AddArc(new Rectangle(-1 * intPenWidth / 2 - 1, this.Height - intPenWidth - intPenWidth / 2 - 1, intPenWidth, intPenWidth), -1, 91);
|
break;
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case PipeStyle.Vertical_Right_Right:
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path.AddLine(this.Width, 0, this.Width, this.Height);
|
path.AddArc(new Rectangle(-1, this.Height - intPenWidth * 2, intPenWidth * 2, intPenWidth * 2), 90, 90);
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path.AddLine(0, this.Height - intPenWidth, 0, intPenWidth);
|
path.AddArc(new Rectangle(-1, 0, intPenWidth * 2, intPenWidth * 2), 180, 90);
|
path.CloseAllFigures();
|
|
linePath.AddArc(new Rectangle(intPenWidth / 2, intPenWidth / 2 + 1, intPenWidth, intPenWidth), 271, -91);
|
linePath.AddArc(new Rectangle(intPenWidth / 2, this.Height - intPenWidth - intPenWidth / 2 - 1, intPenWidth, intPenWidth), 180, -91);
|
break;
|
}
|
//填充管道颜色
|
g.FillPath(new SolidBrush(PipeColor), path);
|
//渐变色
|
int intCount = intPenWidth / 2 / 4;
|
int intSplit = (255 - 100) / intCount;
|
for (int i = 0; i < intCount; i++)
|
{
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int _penWidth = intPenWidth / 2 - 4 * i;
|
if (_penWidth <= 0)
|
_penWidth = 1;
|
//画流动线外围的渐变色（浅白部分）
|
g.DrawPath(new Pen(new SolidBrush(Color.FromArgb(40, Color.White.R, Color.White.G, Color.White.B)), _penWidth), linePath);
|
if (_penWidth == 1)
|
break;
|
}
|
//液体的流动
|
if (flowDirection != FlowDirection.None)
|
{
|
Pen p = new Pen(new SolidBrush(flowColor), flowWidth);
|
//虚线的样式
|
p.DashPattern = new float[] { flowLength, flowSpace };
|
p.DashOffset = intLineLeft * (FlowDirection == FlowDirection.Forward ? -1 : 1);
|
g.DrawPath(p, linePath);
|
}
|
}
|
}
|
|
/// <summary>
|
/// 管道样式
|
/// </summary>
|
public enum PipeStyle
|
{
|
/// <summary>
|
/// 直线
|
/// </summary>
|
Horizontal_None_None,
|
/// <summary>
|
/// 左上
|
/// </summary>
|
Horizontal_Up_None,
|
/// <summary>
|
/// 左下
|
/// </summary>
|
Horizontal_Down_None,
|
/// <summary>
|
/// 右上
|
/// </summary>
|
Horizontal_None_Up,
|
/// <summary>
|
/// 右下
|
/// </summary>
|
Horizontal_None_Down,
|
/// <summary>
|
/// 左下右上
|
/// </summary>
|
Horizontal_Down_Up,
|
/// <summary>
|
/// 左上右下
|
/// </summary>
|
Horizontal_Up_Down,
|
/// <summary>
|
/// 左上，右上
|
/// </summary>
|
Horizontal_Up_Up,
|
/// <summary>
|
/// 左下右下
|
/// </summary>
|
Horizontal_Down_Down,
|
|
/// <summary>
|
/// 竖线
|
/// </summary>
|
Vertical_None_None,
|
/// <summary>
|
/// 上左
|
/// </summary>
|
Vertical_Left_None,
|
/// <summary>
|
/// 上右
|
/// </summary>
|
Vertical_Right_None,
|
/// <summary>
|
/// 下左
|
/// </summary>
|
Vertical_None_Left,
|
/// <summary>
|
/// 下右
|
/// </summary>
|
Vertical_None_Right,
|
/// <summary>
|
/// 上左下右
|
/// </summary>
|
Vertical_Left_Right,
|
/// <summary>
|
/// 上右下左
|
/// </summary>
|
Vertical_Right_Left,
|
/// <summary>
|
/// 上左下左
|
/// </summary>
|
Vertical_Left_Left,
|
/// <summary>
|
/// 上右下右
|
/// </summary>
|
Vertical_Right_Right,
|
}
|
|
/// <summary>
|
/// 流动方向
|
/// </summary>
|
public enum FlowDirection
|
{
|
None,
|
/// <summary>
|
/// 向后
|
/// </summary>
|
Forward,
|
/// <summary>
|
/// 向前
|
/// </summary>
|
Backward
|
}
|
}
|
