#region Imports
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using System;
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using System.Collections.Generic;
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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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#endregion
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namespace DPumpHydr.WinFrmUI.RLT.Controls
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{
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#region ProgressIndicator
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public class ProgressIndicator : Control
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{
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#region Variables
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private readonly SolidBrush BaseColor = new(Color.DarkGray);
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private readonly SolidBrush AnimationColor = new(Color.DimGray);
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private readonly Timer AnimationSpeed = new();
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private PointF[] FloatPoint;
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private BufferedGraphics BuffGraphics;
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private int IndicatorIndex;
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private readonly BufferedGraphicsContext GraphicsContext = BufferedGraphicsManager.Current;
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#endregion
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#region Custom Properties
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public Color P_BaseColor
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{
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get => BaseColor.Color;
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set => BaseColor.Color = value;
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}
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public Color P_AnimationColor
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{
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get => AnimationColor.Color;
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set => AnimationColor.Color = value;
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}
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public int P_AnimationSpeed
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{
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get => AnimationSpeed.Interval;
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set => AnimationSpeed.Interval = value;
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}
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#endregion
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#region EventArgs
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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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SetStandardSize();
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UpdateGraphics();
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SetPoints();
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}
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protected override void OnEnabledChanged(EventArgs e)
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{
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base.OnEnabledChanged(e);
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AnimationSpeed.Enabled = Enabled;
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}
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protected override void OnHandleCreated(EventArgs e)
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{
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base.OnHandleCreated(e);
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AnimationSpeed.Tick += AnimationSpeed_Tick;
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AnimationSpeed.Start();
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}
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private void AnimationSpeed_Tick(object sender, EventArgs e)
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{
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if (IndicatorIndex.Equals(0))
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{
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IndicatorIndex = FloatPoint.Length - 1;
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}
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else
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{
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IndicatorIndex -= 1;
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}
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Invalidate(false);
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}
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#endregion
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public ProgressIndicator()
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{
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SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint | ControlStyles.ResizeRedraw | ControlStyles.OptimizedDoubleBuffer, true);
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Size = new(80, 80);
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Text = string.Empty;
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MinimumSize = new(50, 50);
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SetPoints();
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AnimationSpeed.Interval = 100;
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}
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private void SetStandardSize()
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{
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int _Size = Math.Max(Width, Height);
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Size = new(_Size, _Size);
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}
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private void SetPoints()
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{
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Stack<PointF> stack = new();
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PointF startingFloatPoint = new(Width / 2f, Height / 2f);
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for (float i = 0f; i < 360f; i += 45f)
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{
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SetValue(startingFloatPoint, (int)Math.Round((double)((Width / 2.0) - 15.0)), (double)i);
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PointF endPoint = EndPoint;
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endPoint = new(endPoint.X - 7.5f, endPoint.Y - 7.5f);
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stack.Push(endPoint);
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}
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FloatPoint = stack.ToArray();
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}
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private void UpdateGraphics()
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{
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if (Width > 0 && Height > 0)
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{
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Size size2 = new(Width + 1, Height + 1);
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GraphicsContext.MaximumBuffer = size2;
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BuffGraphics = GraphicsContext.Allocate(CreateGraphics(), ClientRectangle);
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BuffGraphics.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
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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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BuffGraphics.Graphics.Clear(BackColor);
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int num2 = FloatPoint.Length - 1;
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for (int i = 0; i <= num2; i++)
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{
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if (IndicatorIndex == i)
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{
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BuffGraphics.Graphics.FillEllipse(AnimationColor, FloatPoint[i].X, FloatPoint[i].Y, 15f, 15f);
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}
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else
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{
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BuffGraphics.Graphics.FillEllipse(BaseColor, FloatPoint[i].X, FloatPoint[i].Y, 15f, 15f);
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}
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}
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BuffGraphics.Render(e.Graphics);
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}
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private double Rise;
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private double Run;
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private PointF _StartingFloatPoint;
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private X AssignValues<X>(ref X Run, X Length)
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{
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Run = Length;
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return Length;
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}
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private void SetValue(PointF StartingFloatPoint, int Length, double Angle)
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{
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double CircleRadian = Math.PI * Angle / 180.0;
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_StartingFloatPoint = StartingFloatPoint;
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Rise = AssignValues(ref Run, Length);
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Rise = Math.Sin(CircleRadian) * Rise;
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Run = Math.Cos(CircleRadian) * Run;
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}
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private PointF EndPoint
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{
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get
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{
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float LocationX = Convert.ToSingle(_StartingFloatPoint.Y + Rise);
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float LocationY = Convert.ToSingle(_StartingFloatPoint.X + Run);
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return new PointF(LocationY, LocationX);
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}
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}
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}
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#endregion
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}
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