64 lines
2.7 KiB
C#
64 lines
2.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace AGVControl
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{
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public partial class RoundButton : Button
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{
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public int CornerRadius { get; set; } = 7;
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public RoundButton()
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{
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InitializeComponent();
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// Set Optimized Double Buffer to reduce flickering
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this.SetStyle(ControlStyles.UserPaint, true);
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this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
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this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
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// Redraw when resized
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this.SetStyle(ControlStyles.ResizeRedraw, true);
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this.Resize += arLabel_Resize;
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}
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protected override void OnPaint(PaintEventArgs pevent)
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{
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pevent.Graphics.InterpolationMode = InterpolationMode.High;
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pevent.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
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pevent.Graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
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var XPosition = this.DisplayRectangle.Left;
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var YPosition = this.DisplayRectangle.Top;
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using (GraphicsPath Path = new GraphicsPath())
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{
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Path.AddLine(XPosition + CornerRadius, YPosition, XPosition + Width - (CornerRadius * 2), YPosition);
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Path.AddArc(XPosition + Width - (CornerRadius * 2), YPosition, CornerRadius * 2, CornerRadius * 2, 270, 90);
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Path.AddLine(XPosition + Width, YPosition + CornerRadius, XPosition + Width, YPosition + Height - (CornerRadius * 2));
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Path.AddArc(XPosition + Width - (CornerRadius * 2), YPosition + Height - (CornerRadius * 2), CornerRadius * 2, CornerRadius * 2, 0, 90);
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Path.AddLine(XPosition + Width - (CornerRadius * 2), YPosition + Height, XPosition + CornerRadius, YPosition + Height);
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Path.AddArc(XPosition, YPosition + Height - (CornerRadius * 2), CornerRadius * 2, CornerRadius * 2, 90, 90);
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Path.AddLine(XPosition, YPosition + Height - (CornerRadius * 2), XPosition, YPosition + CornerRadius);
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Path.AddArc(XPosition, YPosition, CornerRadius * 2, CornerRadius * 2, 180, 90);
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Path.CloseFigure();
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this.Region = new System.Drawing.Region(Path);
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}
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base.OnPaint(pevent);
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}
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void arLabel_Resize(object sender, EventArgs e)
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{
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Invalidate();
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}
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}
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}
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