using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Windows.Forms;
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namespace DPumpHydr.WinFrmUI.WenSkin.Controls
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{
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public partial class WenCircleProgress : WenControl
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{
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public WenCircleProgress():base()
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{
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}
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#region 私有属性
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private int value = 0;
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#endregion
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#region 公有属性
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[Category("Wen")]
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[Description("圆点大小")]
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[DefaultValue(40)]
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[RefreshProperties(RefreshProperties.Repaint)]
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public int PSize { get; set; } = 40;
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[Category("Wen")]
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[Description("当前进度值")]
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[DefaultValue(0)]
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[RefreshProperties(RefreshProperties.Repaint)]
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public int Value
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{
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get => this.value;
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set
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{
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this.value = value > 100 ? 100 : value;
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this.Invalidate();
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}
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}
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#endregion
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protected override void OnSizeChanged(EventArgs e)
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{
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base.OnSizeChanged(e);
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Width = Height;
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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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CircleRe(e);
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}
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//绘制圆 分别分布点
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private void CircleRe(PaintEventArgs e)
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{
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Graphics g = e.Graphics;
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ControlHelper.SetGDIHigh(g);
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//改变绘制的圆点，便于计算 和数学方向一致
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g.TranslateTransform(0f, this.Height);
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g.ScaleTransform(1f, -1f);
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Rectangle rec = new Rectangle(0, 0, this.Width, this.Height);
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//时针球 大小
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int pr = PSize;
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//Brush b = Brushes.Gray;
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int r = (rec.Width - pr) / 2;
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int rc = rec.Width / 2;
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//计算 0 位置
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Rectangle val0 = new Rectangle(rec.Width / 2 - pr / 2, rec.Height - pr, pr, pr);
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Rectangle val25 = new Rectangle(rec.Width - pr, rec.Height / 2 - pr / 2, pr, pr);
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Rectangle val50 = new Rectangle(rec.Width / 2 - pr / 2, 0, pr, pr);
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Rectangle val75 = new Rectangle(0, rec.Height / 2 - pr / 2, pr, pr);
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//计算45度位置的值
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float l = (float)Math.Sqrt(r * r / 2);
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RectangleF val12_5 = new RectangleF(rc + l - pr / 2, rc + l - pr / 2, pr, pr);
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RectangleF val37_5 = new RectangleF(rc + l - pr / 2, rc - l - pr / 2, pr, pr);
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RectangleF val62_5 = new RectangleF(rc - l - pr / 2, rc - l - pr / 2, pr, pr);
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RectangleF val87_5 = new RectangleF(rc - l - pr / 2, rc + l - pr / 2, pr, pr);
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g.FillEllipse(GetBrush(0), val0);
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g.FillEllipse(GetBrush(25), val25);
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g.FillEllipse(GetBrush(50), val50);
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g.FillEllipse(GetBrush(75), val75);
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g.FillEllipse(GetBrush(12.5), val12_5);
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g.FillEllipse(GetBrush(37.5), val37_5);
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g.FillEllipse(GetBrush(62.5), val62_5);
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g.FillEllipse(GetBrush(87.5), val87_5);
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}
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private Brush GetBrush(double value)
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{
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if (value < Value)
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return Brushes.Gray;
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else
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return Brushes.LightGray;
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}
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}
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}
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