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namespace HydroUI
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{
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public partial class DMap : XtraUserControl
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{
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public TContainer TC = new TContainer();
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/// <summary>
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/// 地图选项
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/// </summary>
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public MapDimensions mapOption
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{
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get { return TC.mapOption; }
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set { TC.mapOption = value; }
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}
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/// <summary>
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/// 临时管网层
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/// </summary>
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[Browsable(false)]
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public Template _newTemplate
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{
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get { return TC.newTemplate; }
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set { TC.newTemplate = value; }
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}
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[Browsable(false)]
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public Template _Template
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{
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get { return TC.template; }
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}
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private bool _needPaintAll;
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private Bitmap buffer;
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public DrawDelegate DrawNet = null;
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public DrawDelegate DrawNetNew = null;
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public DrawDelegate DrawBackGroundPic = null;
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//绘制辅助线
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public DrawDelegate DrawAuxiliary = null;
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public MouseDelegate onMouseDown = null;
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public MouseDelegate onMouseMove = null;
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public MouseDelegate onMouseUp = null;
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public MouseDelegate onMouseWheel = null;
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public DrawingMode drawingMode = DrawingMode.All;
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private bool Inited = false;
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public DrawingStatus Status = DrawingStatus.Ready;
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public DMap()
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{
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InitializeComponent();
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DoubleBuffered = true;
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}
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//补充参数
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public void Init(TContainer TC, DrawDelegate[] Draws, MouseDelegate[] MouseEvents)
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{
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this.TC = TC;
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this.DrawNet = Draws[0];
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this.DrawNetNew = Draws[1];
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this.DrawBackGroundPic = Draws[2];
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this.DrawAuxiliary = Draws[3];
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this.onMouseDown = MouseEvents[0];
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this.onMouseMove = MouseEvents[1];
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this.onMouseUp = MouseEvents[2];
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this.onMouseWheel = MouseEvents[3];
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this.Inited = true;
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this.Status = DrawingStatus.Ready;
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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this.Status = DrawingStatus.drawingBase;
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base.OnPaint(e);
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if (!Inited) { this.Status = DrawingStatus.Ready; return; }
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if (float.IsInfinity(mapOption.zoom)) { this.Status = DrawingStatus.Ready; return; }
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_needPaintAll = false;
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if (buffer == null || buffer.Width != Width || buffer.Height != Height)
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{
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buffer?.Dispose();
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buffer = new Bitmap(Width, Height);
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}
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// 使用缓存绘制，避免在每次重绘时重新计算所有要绘制的元素
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var bufferG = Graphics.FromImage(buffer);
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// 先将控件的背景填充为白色
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bufferG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
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bufferG.Clear(Color.Transparent);
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bufferG.TranslateTransform(Width / 2, Height / 2);
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bufferG.ScaleTransform(mapOption.zoom, -mapOption.zoom);
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bufferG.TranslateTransform(-mapOption.Center.X, -mapOption.Center.Y);
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this.Status = DrawingStatus.drawingPic;
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DrawBackGroundPic(bufferG, _Template);
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this.Status = DrawingStatus.drawingNet;
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//BookMark ：绘制地图事件
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DrawNet(bufferG, _Template);
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this.Status = DrawingStatus.drawingNetNew;
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if (_newTemplate?.network != null) DrawNetNew(bufferG, _newTemplate);
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this.Status = DrawingStatus.drawingOthers;
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DrawAuxiliary(bufferG, null);
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// 将生成的画布绘制到控件上
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e.Graphics.DrawImage(buffer, 0, 0);
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bufferG.Dispose();
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this.Status = DrawingStatus.Ready;
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}
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protected override void OnMouseDown(MouseEventArgs e)
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{
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base.OnMouseDown(e);
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if (Inited) onMouseDown(e);
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}
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protected override void OnMouseMove(MouseEventArgs e)
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{
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base.OnMouseMove(e);
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if (Inited) onMouseMove(e);
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}
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protected override void OnMouseUp(MouseEventArgs e)
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{
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base.OnMouseUp(e);
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if (Inited) onMouseUp(e);
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}
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private void InitializeComponent()
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{
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}
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protected override void OnMouseWheel(MouseEventArgs ev)
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{
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base.OnMouseWheel(ev);
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if (Inited) onMouseWheel(ev);
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}
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}
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}
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