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Version 4.12.2 Improved ImageLoader/TileImageLoader

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ClemensF 2019-07-13 19:53:03 +02:00
parent 4a7e384152
commit fefc4e3294
9 changed files with 102 additions and 171 deletions
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65
MapImages/WPF/GroundOverlayPanel.WPF.cs
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@ -2,10 +2,8 @@
// © 2019 Clemens Fischer
// Licensed under the Microsoft Public License (Ms-PL)
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Threading.Tasks;
using System.Xml;
@ -14,74 +12,25 @@ namespace MapControl.Images
{
public partial class GroundOverlayPanel
{
private Task<List<ImageOverlay>> ReadGroundOverlaysFromFileAsync(string docFile)
private static Task<List<ImageOverlay>> ReadGroundOverlaysFromFileAsync(string docFile)
{
return Task.Run(() => ReadGroundOverlaysFromFile(docFile));
}
private Task<List<ImageOverlay>> ReadGroundOverlaysFromArchiveAsync(string archiveFile)
{
return Task.Run(() => ReadGroundOverlaysFromArchive(archiveFile));
}
private List<ImageOverlay> ReadGroundOverlaysFromFile(string docFile)
{
docFile = Path.GetFullPath(docFile);
var kmlDocument = new XmlDocument();
kmlDocument.Load(docFile);
var imageOverlays = ReadGroundOverlays(kmlDocument).ToList();
var docDir = Path.GetDirectoryName(docFile);
foreach (var imageOverlay in imageOverlays)
return Task.Run(() =>
{
imageOverlay.ImageSource = ImageLoader.LoadImage(Path.Combine(docDir, imageOverlay.ImagePath));
}
return imageOverlays;
}
private List<ImageOverlay> ReadGroundOverlaysFromArchive(string archiveFile)
{
using (var archive = ZipFile.OpenRead(archiveFile))
{
var docEntry = archive.GetEntry("doc.kml")
?? archive.Entries.FirstOrDefault(e => e.Name.EndsWith(".kml"));
if (docEntry == null)
{
throw new ArgumentException("No KML entry found in " + archiveFile);
}
docFile = Path.GetFullPath(docFile);
var kmlDocument = new XmlDocument();
using (var docStream = docEntry.Open())
{
kmlDocument.Load(docStream);
}
kmlDocument.Load(docFile);
var imageOverlays = ReadGroundOverlays(kmlDocument).ToList();
var docDir = Path.GetDirectoryName(docFile);
foreach (var imageOverlay in imageOverlays)
{
var imageEntry = archive.GetEntry(imageOverlay.ImagePath);
if (imageEntry != null)
{
using (var zipStream = imageEntry.Open())
using (var memoryStream = new MemoryStream())
{
zipStream.CopyTo(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
imageOverlay.ImageSource = ImageLoader.LoadImage(memoryStream);
}
}
imageOverlay.ImageSource = ImageLoader.LoadImage(Path.Combine(docDir, imageOverlay.ImagePath));
}
return imageOverlays;
}
});
}
}
}