using DevExpress.XtraEditors;
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using System.Data;
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namespace Yw.WinFrmUI.Phart
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{
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public partial class PumpPictureBoxCtrl : DevExpress.XtraEditors.XtraUserControl
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{
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public PumpPictureBoxCtrl()
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{
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InitializeComponent();
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this.gridView1.SetDefaultEditView();
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this.colDelete.OptionsColumn.AllowEdit = false;
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this.colDelete.OptionsColumn.ReadOnly = false;
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this.gridView1.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.NoBorder;
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}
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#region 页面类
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protected class CurrentViewModel
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{
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public CurrentViewModel() { }
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public CurrentViewModel(Yw.Geometry.Point2d rhs)
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{
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this.X = rhs.X;
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this.Y = rhs.Y;
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}
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public CurrentViewModel(double x, double y, int xp, int yp)
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{
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this.X = x;
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this.Y = y;
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this.Xpic = xp;
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this.Ypic = yp;
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}
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public double X { get; set; }
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public double Y { get; set; }
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public int Xpic { get; set; }
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public int Ypic { get; set; }
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}
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#endregion
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#region 变量
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/// <summary>
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/// 有效范围
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/// </summary>
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private Rectangle? _rect;//矩形
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/// <summary>
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/// 是否正在获取等效线
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/// </summary>
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private bool _isCaptureEuqualCurve = false;
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/// <summary>
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/// 是否打点等效线
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/// </summary>
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private bool _isCaputueEtaPtInEqupCurve = false;
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/// <summary>
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/// 是否打点等效线,产生流量扬程(原水,五号沟泵站金海支线 是这个情况)
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/// </summary>
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public bool IsCaputueEtaPtInEqupCurve
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{
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set
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{
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_isCaputueEtaPtInEqupCurve = value;
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}
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}
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/// <summary>
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/// 捕捉曲线类型
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/// </summary>
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private Yw.Ahart.eCurveType _currentCaptureCruve = Yw.Ahart.eCurveType.QH;
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/// <summary>
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/// 当前捕捉曲线类型
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/// </summary>
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public Yw.Ahart.eCurveType CurrentCaptureCruve
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{
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get => _currentCaptureCruve;
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set => _currentCaptureCruve = value;
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}
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/// <summary>
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/// 流量单位 (默认m3/h)
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/// </summary>
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private Unit.eUnitQ _unitQ = Unit.eUnitQ.M3H;
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/// <summary>
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/// 流量单位 (默认m3/h)
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/// </summary>
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public Unit.eUnitQ UnitQ
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{
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get => _unitQ;
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set => _unitQ = value;
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}
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private bool _isSelBoundary;
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/// <summary>
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/// 允许设置有效范围
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/// </summary>
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public bool IsSelBoundary
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{
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get
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{
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return _isSelBoundary;
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}
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set
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{
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_isSelBoundary = value;
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}
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}
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private bool _isPickPoint;
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/// <summary>
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/// 允许获取点
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/// </summary>
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public bool IsPickPoint
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{
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get
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{
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return _isPickPoint;
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}
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set
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{
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_isPickPoint = value;
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}
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}
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#endregion
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#region 事件
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/// <summary>
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/// 刷新曲线点事件
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/// </summary>
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public event Action<List<Yw.Geometry.Point2d>> ReloadPickPointsEvent;
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/// <summary>
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/// 刷新框选范围事件
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/// </summary>
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public event Action<Rectangle?> ReloadBoundaryEvent;
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#endregion
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// 曲线图表坐标
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public double ChartMinX = 0, ChartMaxX = 0;
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public double ChartMinY = 0, ChartMaxY = 0;
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/// <summary>
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/// 绑定数据列表
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/// </summary>
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private List<CurrentViewModel> _allClickPoints;
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// <summary>
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/// 绑定数据
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/// </summary>
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public void SetBindingData(string path)
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{
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if (!System.IO.File.Exists(path))
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return;
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this.pictureBox1.Image = Image.FromFile(path);
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_rect = null;
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_allClickPoints = new List<CurrentViewModel>();
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this.bindingSource1.DataSource = _allClickPoints;
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}
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/// <summary>
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/// 设置图片显示方式
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/// </summary>
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public void SetPictureSizeMode(PictureBoxSizeMode sizeMode)
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{
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this.pictureBox1.SizeMode = sizeMode;
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}
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#region 选取点并绘制曲线
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/// <summary>
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/// 开始获取点
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/// </summary>
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public void StartPickPoint()
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{
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_isPickPoint = true;
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}
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/// <summary>
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/// 结束选取点
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/// </summary>
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public void EndPickPoint()
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{
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_isPickPoint = false;
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}
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/// <summary>
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/// 清除选取点
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/// </summary>
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public void ClearPickPoint()
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{
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if (XtraMessageBox.Show("是否清空点?", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) != DialogResult.OK)
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return;
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_allClickPoints.Clear();
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ReloadPickPoints();
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DrawPictureShape();
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}
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/// <summary>
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/// 刷新界面
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/// </summary>
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public void RefreshPictureShape(List<Yw.Geometry.Point2d> points = null, Rectangle? picRect = null)
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{
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_rect = picRect;
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if (_rect == null)
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{
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this.pictureBox1.Invalidate();
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return;
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}
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var rect = _rect.Value;
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_allClickPoints.Clear();
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if (points != null && points.Any())
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foreach (var item in points)
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_allClickPoints.Add(new CurrentViewModel(item));
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ReloadPickPoints();
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foreach (var row in _allClickPoints)
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{
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double ptX = row.X;
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double ptY = row.Y;
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int rX = 0, rY = 0;
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if (Math.Abs(ptX - ChartMinX) < 0.01)
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{
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rX = rect.Left;//防止分母为0
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}
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else
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{
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rX = (int)(rect.Left + (rect.Right - rect.Left) / (ChartMaxX - ChartMinX) * (ptX - ChartMinX));
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}
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if (Math.Abs(ptY - ChartMaxY) < 0.01)
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{
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rY = rect.Top; //防止分母为0
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}
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else
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{
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rY = (int)(rect.Top - (rect.Bottom - rect.Top) / (ChartMaxY - ChartMinY) * (ptY - ChartMaxY));
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}
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row.Xpic = rX;
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row.Ypic = rY;
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};
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DrawPictureShape();
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}
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#endregion
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#region Draw Picture
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/// <summary>
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/// 绘图
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/// </summary>
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public void DrawPictureShape()
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{
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try
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{
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var list = _allClickPoints;
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this.pictureBox1.Refresh();
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var picPoints = new List<Yw.Geometry.Point2d>();
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using (Graphics g = this.pictureBox1.CreateGraphics())
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{
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//绘制边框
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if (_rect != null)
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{
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using (Pen pen = new Pen(Color.Red, 3))
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{
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g.DrawRectangle(pen, _rect.Value);
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}
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}
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//绘制点
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if (list != null && list.Any())
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{
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var num = 5;
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foreach (var row in list)
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{
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g.DrawLine(new Pen(Color.Black, 3), row.Xpic - num, row.Ypic + num, row.Xpic + num, row.Ypic - num);
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g.DrawLine(new Pen(Color.Black, 3), row.Xpic - num, row.Ypic - num, row.Xpic + num, row.Ypic + num);
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picPoints.Add(new Yw.Geometry.Point2d(row.Xpic, row.Ypic));
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}
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//绘制线
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if (list.Count >= 4 && !_isCaptureEuqualCurve)
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{
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//if (_currentCaptureCruveFitType == AStation.Curve.eFitType.ThroughPoint)
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// DrawThrountPoint(picPoints, 0.5f);
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//else
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DrawFitPoint(picPoints, 0.5f);
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}
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}
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}
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}
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catch (Exception)
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{
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throw;
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}
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}
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/// <summary>
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/// 画点和线(拟合)
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/// </summary>
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/// <param name="picPoints">图片点</param>
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/// <param name="tension"></param>
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private void DrawFitPoint(List<Yw.Geometry.Point2d> picPoints, float tension)
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{
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if (picPoints == null || picPoints.Count < 4)
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return;
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var fitPoints = picPoints.GetFitPointList();
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if (fitPoints == null || fitPoints.Count < 4)
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return;
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var resultPts = new List<Point>();
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fitPoints.ForEach(x => resultPts.Add(new Point((int)x.X, (int)x.Y)));
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using (Graphics g = this.pictureBox1.CreateGraphics())
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using (Pen pen = new Pen(Color.Red, 3))
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g.DrawCurve(pen, resultPts.ToArray(), tension);
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}
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/// <summary>
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/// 绘制通过点
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/// </summary>
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/// <param name="picPoints">图片点</param>
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/// <param name="tension"></param>
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private void DrawThrountPoint(List<Yw.Geometry.Point2d> picPoints, float tension)
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{
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if (picPoints == null || picPoints.Count < 4)
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return;
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var resultPts = new List<PointF>();
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picPoints.ForEach(x => resultPts.Add(new PointF((float)x.X, (float)x.Y)));
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using (Graphics g = this.pictureBox1.CreateGraphics())
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using (Pen pen = new Pen(Color.Red, 3))
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g.DrawCurve(pen, resultPts.ToArray(), tension);
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}
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#endregion
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#region 图片区域的鼠标操作
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private Point? _startPoint;//开始点
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/// <summary>
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/// 开始选取范围
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/// </summary>
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public void StartSelectionRange()
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{
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this.pictureBox1.Invalidate();
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_rect = null;
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_startPoint = null;
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_isSelBoundary = true;
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this.Cursor = System.Windows.Forms.Cursors.Cross;
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this.DoubleBuffered = true;
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if (_allClickPoints != null)
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{
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_allClickPoints.Clear();
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this.ReloadBoundaryEvent?.Invoke(_rect);
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ReloadPickPoints();
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}
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}
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/// <summary>
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/// 鼠标按下
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/// </summary>
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private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left)
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{
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if (_isSelBoundary)
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{
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_startPoint = e.Location;
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}
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else if (_isPickPoint)
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{
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int rX = e.X;
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int rY = e.Y;
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//精度
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int xJd = 1, yJd = 1;
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if (Math.Abs(ChartMaxX - ChartMinX) < 12)
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xJd = 2;
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if (Math.Abs(ChartMaxX - ChartMinX) < 1)
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xJd = 3;
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double ptX = 0;
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if (rX == _rect.Value.Left)
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{
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ptX = ChartMinX;
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}
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else
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{
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ptX = UtilsHelper.Regulate(ChartMinX + (ChartMaxX - ChartMinX) / (_rect.Value.Right - _rect.Value.Left) * (rX - _rect.Value.Left), xJd);
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}
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if (ptX < 0)
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ptX = 0;
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Yw.Geometry.Point2d picPoint = null;
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if (!_isCaputueEtaPtInEqupCurve)
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{
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if (Math.Abs(ChartMaxY - ChartMinY) < 12)
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yJd = 2;
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if (Math.Abs(ChartMaxY - ChartMinY) < 2)
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yJd = 3;
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double ptY = 0;
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if (rY <= _rect.Value.Top)
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{
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ptY = ChartMaxY;
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}
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else
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{
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ptY = UtilsHelper.Regulate(ChartMaxY + (ChartMinY - ChartMaxY) / (_rect.Value.Bottom - _rect.Value.Top) * (rY - _rect.Value.Top), yJd);
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}
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if (ptY < 0)
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ptY = 0;
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_allClickPoints.Add(new CurrentViewModel(ptX, ptY, rX, rY));
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picPoint = new Yw.Geometry.Point2d(ptX, ptY);
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}
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else
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{
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var dlg = new PickEqupPointDlg();
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dlg.ReloadDataEvent += (ptY) =>
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{
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_allClickPoints.Add(new CurrentViewModel(ptX, ptY, rX, rY));
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picPoint = new Yw.Geometry.Point2d(ptX, ptY);
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return true;
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};
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dlg.ShowDialog();
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}
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ReloadPickPoints();
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DrawPictureShape();
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}
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}
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}
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/// <summary>
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/// 鼠标移动
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/// </summary>
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private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
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{
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if (_isSelBoundary && _startPoint != null)
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{
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_rect = GetRectangle(_startPoint.Value, e.Location);
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this.pictureBox1.Invalidate();
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}
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}
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//获取矩形
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private Rectangle GetRectangle(Point p1, Point p2)
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{
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int x = p1.X < p2.X ? p1.X : p2.X;
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int y = p1.Y < p2.Y ? p1.Y : p2.Y;
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int width = Math.Abs(p1.X - p2.X);
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int height = Math.Abs(p1.Y - p2.Y);
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return new Rectangle(x, y, width, height);
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}
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/// <summary>
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/// 鼠标松开
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/// </summary>
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private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
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{
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if (_isSelBoundary)
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{
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_startPoint = null;
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_isSelBoundary = false;
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this.Cursor = System.Windows.Forms.Cursors.Arrow;
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this.DoubleBuffered = false;
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this.ReloadBoundaryEvent?.Invoke(_rect);
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}
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}
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/// <summary>
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/// 绘制
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/// </summary>
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private void pictureBox1_Paint(object sender, PaintEventArgs e)
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{
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if (_rect != null && _isSelBoundary)
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{
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using (Pen pen = new Pen(Color.Red, 3))
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{
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e.Graphics.DrawRectangle(pen, _rect.Value);
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}
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}
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}
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#endregion
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#region gridView
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//删除点
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private void gridView1_RowCellClick(object sender, DevExpress.XtraGrid.Views.Grid.RowCellClickEventArgs e)
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{
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if (e.Column == this.colDelete)
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{
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if (this.gridView1.GetRow(e.RowHandle) is CurrentViewModel row)
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{
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_allClickPoints.Remove(row);
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ReloadPickPoints();
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DrawPictureShape();
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}
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}
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}
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#endregion
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/// <summary>
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/// 得到图片曲线上的点
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/// </summary>
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/// <param name="clickPoints">返回获取点</param>
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/// <returns></returns>
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public bool GetPicPoints(out List<Yw.Geometry.Point2d> clickPoints)
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{
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clickPoints = null;
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if (_allClickPoints == null)
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return false;
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clickPoints = _allClickPoints.Select(x => new Yw.Geometry.Point2d(x.X, x.Y)).ToList();
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List<Yw.Geometry.Point2d> curvePoints = null;
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if (!_isCaptureEuqualCurve)
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{
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curvePoints = clickPoints.GetFitPointList(12);
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curvePoints?.OrderBy(x => x.X);
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}
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else
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{
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/*
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* 暂时只用完全通过点的方法，因为有时垂直很厉害时DrawFitPoint现状不好看
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* 有增减性 就可以用拟合的方法
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* 只用通过点的方法
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*/
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curvePoints = clickPoints;
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}
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_allClickPoints.Clear();
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ReloadPickPoints();
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DrawPictureShape();
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return true;
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}
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//刷新抓起点列表
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private void ReloadPickPoints()
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{
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this.bindingSource1.ResetBindings(false);
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var pickPoints = _allClickPoints?.Select(x => new Yw.Geometry.Point2d(x.X, x.Y)).ToList();
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this.ReloadPickPointsEvent?.Invoke(pickPoints);
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}
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}
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}
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