using Hydro.MapView;
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using Hydro.MapView.Common;
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using Newtonsoft.Json.Linq;
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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.IO;
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using System.Linq;
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using System.Numerics;
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using System.Text;
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using System.Threading.Tasks;
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//using System.Web.UI.Design.WebControls;
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using System.Windows.Forms;
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using static Hydro.MapView.MapViewEnum;
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namespace Hydro.MapUI
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{
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public partial class DMap : Panel
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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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//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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private bool Inited = false;
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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.DrawAuxiliary = Draws[2];
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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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}
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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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if (!Inited) return;
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if (float.IsInfinity(mapOption.zoom)) 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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using (var bufferG = Graphics.FromImage(buffer))
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//using (var bufferG = e.Graphics)
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{
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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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//BookMark ：绘制地图事件
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DrawNet(bufferG, _Template);
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if (_newTemplate?.network != null) DrawNetNew(bufferG, _newTemplate);
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DrawAuxiliary(bufferG,null);
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}
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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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}
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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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protected override void OnMouseWheel(MouseEventArgs e)
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{
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base.OnMouseWheel(e);
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if (Inited) onMouseWheel(e);
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}
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}
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}
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