ClemensFischer/XAML-Map-Control
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Version 4.2.0

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ClemensF 2017-10-08 17:35:07 +02:00
parent 9f8ef8acb0
commit fd02476c6b
17 changed files with 174 additions and 141 deletions
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3
MapControl/Shared/BingMapsTileLayer.cs
View file

@ -61,7 +61,8 @@ namespace MapControl
try
{
var document = await XmlDocument.LoadFromUriAsync(new Uri(imageryMetadataUrl + "?output=xml&key=" + ApiKey));
var uri = new Uri(imageryMetadataUrl + "?output=xml&key=" + ApiKey);
var document = await XmlDocument.LoadFromUriAsync(uri);
var imageryMetadata = document.DocumentElement.GetElementsByTagName("ImageryMetadata").OfType<XmlElement>().FirstOrDefault();
if (imageryMetadata != null)

14
MapControl/Shared/MapImageLayer.cs
View file

@ -271,29 +271,25 @@ namespace MapControl
}
}
var imageUpdated = false;
ImageSource imageSource = null;
try
{
imageUpdated = UpdateImage(boundingBox);
imageSource = GetImage(boundingBox);
}
catch (Exception ex)
{
Debug.WriteLine("MapImageLayer: " + ex.Message);
}
if (!imageUpdated)
{
UpdateImage((BitmapSource)null);
}
UpdateImage(imageSource);
}
}
/// <summary>
/// Creates an image request Uri or a BitmapSource for the specified image bounding box.
/// Must either call UpdateImage(Uri) or UpdateImage(BitmapSource) or return false on failure.
/// Returns an ImageSource for the specified bounding box.
/// </summary>
protected abstract bool UpdateImage(BoundingBox boundingBox);
protected abstract ImageSource GetImage(BoundingBox boundingBox);
private void SetTopImage(ImageSource imageSource)
{

44
MapControl/Shared/TileSource.cs
View file

@ -3,7 +3,16 @@
// Licensed under the Microsoft Public License (Ms-PL)
using System;
using System.Diagnostics;
using System.Globalization;
using System.Threading.Tasks;
#if WINDOWS_UWP
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Imaging;
#else
using System.Windows.Media;
using System.Windows.Media.Imaging;
#endif
namespace MapControl
{
@ -85,6 +94,41 @@ namespace MapControl
return getUri?.Invoke(x, y, zoomLevel);
}
/// <summary>
/// Load a tile ImageSource asynchronously from GetUri(x, y, zoomLevel)
/// </summary>
public virtual async Task<ImageSource> LoadImageAsync(int x, int y, int zoomLevel)
{
ImageSource imageSource = null;
var uri = GetUri(x, y, zoomLevel);
if (uri != null)
{
try
{
if (!uri.IsAbsoluteUri || uri.Scheme == "file")
{
imageSource = await LoadLocalImageAsync(uri);
}
else if (uri.Scheme == "http")
{
imageSource = await LoadHttpImageAsync(uri);
}
else
{
imageSource = new BitmapImage(uri);
}
}
catch (Exception ex)
{
Debug.WriteLine("TileSource: {0}: {1}", uri, ex.Message);
}
}
return imageSource;
}
private Uri GetBasicUri(int x, int y, int zoomLevel)
{
return new Uri(uriFormat

18
MapControl/Shared/WmsImageLayer.cs
View file

@ -10,9 +10,13 @@ using System.Threading.Tasks;
#if WINDOWS_UWP
using Windows.Data.Xml.Dom;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Imaging;
#else
using System.Windows;
using System.Xml;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
#endif
namespace MapControl
@ -81,25 +85,25 @@ namespace MapControl
set { SetValue(TransparentProperty, value); }
}
protected override bool UpdateImage(BoundingBox boundingBox)
protected override ImageSource GetImage(BoundingBox boundingBox)
{
if (ServerUri == null)
{
return false;
return null;
}
var projectionParameters = ParentMap.MapProjection.WmsQueryParameters(boundingBox, Version);
if (string.IsNullOrEmpty(projectionParameters))
{
return false;
return null;
}
UpdateImage(GetRequestUri("GetMap"
var uri = GetRequestUri("GetMap"
+ "&LAYERS=" + Layers + "&STYLES=" + Styles + "&FORMAT=" + Format
+ "&TRANSPARENT=" + (Transparent ? "TRUE" : "FALSE") + "&" + projectionParameters));
+ "&TRANSPARENT=" + (Transparent ? "TRUE" : "FALSE") + "&" + projectionParameters);
return true;
return new BitmapImage(uri);
}
public async Task<IList<string>> GetLayerNamesAsync()

6
MapControl/UWP/MapImageLayer.UWP.cs
View file

@ -2,7 +2,6 @@
// © 2017 Clemens Fischer
// Licensed under the Microsoft Public License (Ms-PL)
using System;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;
@ -12,11 +11,6 @@ namespace MapControl
{
public partial class MapImageLayer
{
protected void UpdateImage(Uri uri)
{
UpdateImage(uri != null ? new BitmapImage(uri) : null);
}
protected void UpdateImage(ImageSource imageSource)
{
SetTopImage(imageSource);

4
MapControl/UWP/Properties/AssemblyInfo.cs
View file

@ -7,8 +7,8 @@ using System.Runtime.InteropServices;
[assembly: AssemblyCompany("Clemens Fischer")]
[assembly: AssemblyCopyright("© 2017 Clemens Fischer")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyVersion("4.1.0")]
[assembly: AssemblyFileVersion("4.1.0")]
[assembly: AssemblyVersion("4.2.0")]
[assembly: AssemblyFileVersion("4.2.0")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCulture("")]
[assembly: ComVisible(false)]

78
MapControl/UWP/TileSource.UWP.cs
View file

@ -4,7 +4,9 @@
using System;
using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;
using Windows.Storage;
using Windows.Storage.Streams;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Imaging;
@ -21,7 +23,7 @@ namespace MapControl
public static HttpClient HttpClient { get; set; } = new HttpClient();
/// <summary>
/// Check HTTP response headers for tile unavailability, e.g. X-VE-Tile-Info=no-tile
/// Check HTTP response headers for tile availability, e.g. X-VE-Tile-Info=no-tile
/// </summary>
public static bool TileAvailable(HttpResponseHeaderCollection responseHeaders)
{
@ -30,54 +32,50 @@ namespace MapControl
return !responseHeaders.TryGetValue("X-VE-Tile-Info", out tileInfo) || tileInfo != "no-tile";
}
/// <summary>
/// Load a tile ImageSource asynchronously from GetUri(x, y, zoomLevel)
/// </summary>
public virtual async Task<ImageSource> LoadImageAsync(int x, int y, int zoomLevel)
protected async Task<ImageSource> LoadLocalImageAsync(Uri uri)
{
ImageSource imageSource = null;
var path = uri.IsAbsoluteUri ? uri.LocalPath : uri.OriginalString;
var uri = GetUri(x, y, zoomLevel);
if (uri != null)
if (!await Task.Run(() => File.Exists(path)))
{
try
return null;
}
var file = await StorageFile.GetFileFromPathAsync(path);
using (var stream = await file.OpenReadAsync())
{
var bitmapImage = new BitmapImage();
await bitmapImage.SetSourceAsync(stream);
return bitmapImage;
}
}
protected async Task<ImageSource> LoadHttpImageAsync(Uri uri)
{
using (var response = await HttpClient.GetAsync(uri))
{
if (!response.IsSuccessStatusCode)
{
if (uri.Scheme == "http")
{
using (var response = await HttpClient.GetAsync(uri))
{
if (!response.IsSuccessStatusCode)
{
Debug.WriteLine("TileSource: {0}: {1} {2}", uri, (int)response.StatusCode, response.ReasonPhrase);
}
else if (TileAvailable(response.Headers))
{
using (var stream = new InMemoryRandomAccessStream())
{
await response.Content.WriteToStreamAsync(stream);
stream.Seek(0);
var bitmapImage = new BitmapImage();
await bitmapImage.SetSourceAsync(stream);
imageSource = bitmapImage;
}
}
}
}
else
{
imageSource = new BitmapImage(uri);
}
Debug.WriteLine("TileSource: {0}: {1} {2}", uri, (int)response.StatusCode, response.ReasonPhrase);
}
catch (Exception ex)
else if (TileAvailable(response.Headers))
{
Debug.WriteLine("TileSource: {0}: {1}", uri, ex.Message);
using (var stream = new InMemoryRandomAccessStream())
{
await response.Content.WriteToStreamAsync(stream);
stream.Seek(0);
var bitmapImage = new BitmapImage();
await bitmapImage.SetSourceAsync(stream);
return bitmapImage;
}
}
}
return imageSource;
return null;
}
}
}

7
MapControl/WPF/MapImageLayer.WPF.cs
View file

@ -11,13 +11,6 @@ namespace MapControl
{
public partial class MapImageLayer
{
protected void UpdateImage(Uri uri)
{
UpdateImage(uri != null
? BitmapFrame.Create(uri, BitmapCreateOptions.IgnoreImageCache, BitmapCacheOption.OnDemand)
: null);
}
protected void UpdateImage(ImageSource imageSource)
{
SetTopImage(imageSource);

4
MapControl/WPF/Properties/AssemblyInfo.cs
View file

@ -8,8 +8,8 @@ using System.Windows;
[assembly: AssemblyCompany("Clemens Fischer")]
[assembly: AssemblyCopyright("© 2017 Clemens Fischer")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyVersion("4.1.0")]
[assembly: AssemblyFileVersion("4.1.0")]
[assembly: AssemblyVersion("4.2.0")]
[assembly: AssemblyFileVersion("4.2.0")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCulture("")]
[assembly: ComVisible(false)]

66
MapControl/WPF/TileSource.WPF.cs
View file

@ -23,7 +23,7 @@ namespace MapControl
public static HttpClient HttpClient { get; set; } = new HttpClient();
/// <summary>
/// Check HTTP response headers for tile unavailability, e.g. X-VE-Tile-Info=no-tile
/// Check HTTP response headers for tile availability, e.g. X-VE-Tile-Info=no-tile
/// </summary>
public static bool TileAvailable(HttpResponseHeaders responseHeaders)
{
@ -32,51 +32,45 @@ namespace MapControl
return !responseHeaders.TryGetValues("X-VE-Tile-Info", out tileInfo) || !tileInfo.Contains("no-tile");
}
/// <summary>
/// Load a tile ImageSource asynchronously from GetUri(x, y, zoomLevel)
/// </summary>
public virtual async Task<ImageSource> LoadImageAsync(int x, int y, int zoomLevel)
protected Task<ImageSource> LoadLocalImageAsync(Uri uri)
{
ImageSource imageSource = null;
var uri = GetUri(x, y, zoomLevel);
if (uri != null)
return Task.Run(() =>
{
try
{
if (uri.Scheme == "http")
{
using (var response = await HttpClient.GetAsync(uri))
{
if (!response.IsSuccessStatusCode)
{
Debug.WriteLine("TileSource: {0}: {1} {2}", uri, (int)response.StatusCode, response.ReasonPhrase);
}
else if (TileAvailable(response.Headers))
{
using (var stream = new MemoryStream())
{
await response.Content.CopyToAsync(stream);
stream.Seek(0, SeekOrigin.Begin);
var path = uri.IsAbsoluteUri ? uri.LocalPath : uri.OriginalString;
imageSource = await Task.Run(() => BitmapFrame.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad));
}
}
}
}
else
if (File.Exists(path))
{
using (var stream = new FileStream(path, FileMode.Open, FileAccess.Read))
{
imageSource = BitmapFrame.Create(uri, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
return (ImageSource)BitmapFrame.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
}
}
catch (Exception ex)
return null;
});
}
protected async Task<ImageSource> LoadHttpImageAsync(Uri uri)
{
using (var response = await HttpClient.GetAsync(uri))
{
if (!response.IsSuccessStatusCode)
{
Debug.WriteLine("TileSource: {0}: {1}", uri, ex.Message);
Debug.WriteLine("TileSource: {0}: {1} {2}", uri, (int)response.StatusCode, response.ReasonPhrase);
}
else if (TileAvailable(response.Headers))
{
using (var stream = new MemoryStream())
{
await response.Content.CopyToAsync(stream);
stream.Seek(0, SeekOrigin.Begin);
return await Task.Run(() => BitmapFrame.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad));
}
}
}
return imageSource;
return null;
}
}
}