using Microsoft.Web.WebView2.Core;
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using System.ComponentModel.DataAnnotations;
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using System.IO;
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using Yw.Model.Map;
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using Yw.WebBrower;
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namespace PBS.WinFrmUI.Hydro
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{
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public partial class MapSetPlaceMarkerContainer : UserControl, IMapSetPlaceMarkerContainer
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{
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public MapSetPlaceMarkerContainer()
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{
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InitializeComponent();
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}
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public event Action LoadCompletedEvent;
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public event Action LoadFailedEvent;
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public event Action<HandingError> HandingErrorEvent;
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public event Action<Marker> SetMarkerEvent;
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public event Action<Yw.Model.Map.Point, Yw.Model.Map.Point> SetMapBoundsEvent;
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public MapSetPlaceMarkerCallBackObj CallBackObj
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{
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get
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{
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if (_callBackObj == null)
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{
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_callBackObj = new MapSetPlaceMarkerCallBackObj();
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}
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return _callBackObj;
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}
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}
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private MapSetPlaceMarkerCallBackObj _callBackObj;
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public bool IsInitialized
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{
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get
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{
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return _isInitialized;
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}
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}
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private bool _isInitialized;
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/// <summary>
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/// 初始化容器
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/// </summary>
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public async Task InitialContainer()
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{
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var callBackObj = this.CallBackObj;
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callBackObj.LoadCompletedEvent += CallBackObj_LoadCompletedEvent;
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callBackObj.LoadFailedEvent += CallBackObj_LoadFailedEvent;
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callBackObj.HandingErrorEvent += CallBackObj_HandingErrorEvent;
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callBackObj.SetMarkerEvent += CallBackObj_SetMarkerEvent;
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callBackObj.SetMapBoundsEvent += CallBackObj_SetMapBoundsEvent;
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await this.webViewControl1.InitialWebBrower(MapUrlHelper.SetPlaceMarkerUrl, callBackObj);
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}
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//加载完成
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private void CallBackObj_LoadCompletedEvent()
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{
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_isInitialized = true;
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this.LoadCompletedEvent?.Invoke();
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}
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//加载失败
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private void CallBackObj_LoadFailedEvent()
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{
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this.LoadFailedEvent?.Invoke();
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}
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//处理错误
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private void CallBackObj_HandingErrorEvent(HandingError obj)
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{
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this.HandingErrorEvent?.Invoke(obj);
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}
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//设置标记
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private void CallBackObj_SetMarkerEvent(Yw.Model.Map.Marker obj)
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{
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this.SetMarkerEvent?.Invoke(obj);
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}
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//设置地图边界
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private void CallBackObj_SetMapBoundsEvent(Yw.Model.Map.Point southWest, Yw.Model.Map.Point northEast)
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{
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this.SetMapBoundsEvent?.Invoke(southWest, northEast);
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}
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/// <summary>
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/// 加载标记
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/// </summary>
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public async Task<bool> LoadMarker(Marker marker)
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{
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if (!this.IsInitialized)
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{
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return false;
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}
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return await this.webViewControl1.EvaluateScriptAsync<bool>("loadMarker", marker);
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}
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/// <summary>
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/// 加载地图边界
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/// </summary>
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public async Task<bool> LoadMapBounds(Yw.Model.Map.Point southWest, Yw.Model.Map.Point northEast)
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{
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if (!this.IsInitialized)
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{
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return false;
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}
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return await this.webViewControl1.EvaluateScriptAsync<bool>("loadMapBounds", southWest, northEast);
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}
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/// <summary>
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/// 查询地址
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/// </summary>
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public async Task SearchAddress()
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{
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if (!this.IsInitialized)
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{
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return;
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}
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await this.webViewControl1.EvaluateScriptAsync("searchAddress()");
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}
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public async Task<(double Width, double Height, double Zoom)?> CaptureImage
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(string tempFilePath,
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Yw.Model.Map.Point southWest,
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Yw.Model.Map.Point northEast)
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{
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var webView = this.webViewControl1.Controls[0] as Microsoft.Web.WebView2.WinForms.WebView2;
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if (webView == null)
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{
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TipFormHelper.ShowError(" webView is null");
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return null;
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}
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return await this.Invoke(async () =>
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{
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await webView.EnsureCoreWebView2Async();
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var coreWebView = webView.CoreWebView2;
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int pageWidth = webView.ClientSize.Width;
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int pageHeight = webView.ClientSize.Height;
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webView.Width = pageWidth;
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webView.Height = pageHeight;
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var pWidth = pageWidth - 10;
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var pHeight = pageHeight - 10;
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var directory = Path.GetDirectoryName(tempFilePath);
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if (!Directory.Exists(directory))
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Directory.CreateDirectory(directory);
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using (var fileStream = new FileStream(tempFilePath + "_t.png", FileMode.Create))
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{
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await coreWebView.CapturePreviewAsync(CoreWebView2CapturePreviewImageFormat.Png, fileStream);
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var bitMap = new Bitmap(fileStream);
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bitMap.Clone(new Rectangle(10, 10, pWidth, pHeight), System.Drawing.Imaging.PixelFormat.DontCare).Save(tempFilePath);
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fileStream.Close();
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var screen = Screen.PrimaryScreen;
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var screenBound = screen.Bounds;
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var bo = (double)screenBound.Height / screenBound.Width;
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var dpi = Math.Round(bo, 3);//0.56
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}
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var size = AmapBoundsHelper.CalcSize(southWest, northEast);
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double distanceHeight = size.Height;
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double distanceWidth = size.Width;
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var BackgroundWidth = distanceWidth;
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var BackgroundHeight = distanceHeight;
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var w = pageWidth / BackgroundWidth;
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var h = pageHeight / BackgroundHeight;
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var Zoom = w > h ? w : h;
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File.Delete(tempFilePath + "_t.png");
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return (BackgroundWidth, BackgroundHeight, Zoom);
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});
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}
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#region 边框
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/// <summary>
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/// 显示边框
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/// </summary>
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[Display(Name = "显示边框")]
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[DisplayName("显示边框")]
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[Browsable(true)]
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public bool ShowBorder
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{
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get { return this.webViewControl1.ShowBorder; }
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set { this.webViewControl1.ShowBorder = value; }
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}
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/// <summary>
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/// 边框颜色
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/// </summary>
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[Display(Name = "边框颜色")]
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[DisplayName("边框颜色")]
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[Browsable(true)]
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public Color BorderColor
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{
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get { return this.webViewControl1.BorderColor; }
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set { this.webViewControl1.BorderColor = value; }
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}
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/// <summary>
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/// 边框宽度
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/// </summary>
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[Display(Name = "边框宽度")]
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[DisplayName("边框宽度")]
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[Browsable(true)]
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public int BorderWidth
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{
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get { return this.webViewControl1.BorderWidth; }
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set { this.webViewControl1.BorderWidth = value; }
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}
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#endregion
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}
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}
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